WO2017161821A1 - 一种离合器齿轮保护装置 - Google Patents

一种离合器齿轮保护装置 Download PDF

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Publication number
WO2017161821A1
WO2017161821A1 PCT/CN2016/096680 CN2016096680W WO2017161821A1 WO 2017161821 A1 WO2017161821 A1 WO 2017161821A1 CN 2016096680 W CN2016096680 W CN 2016096680W WO 2017161821 A1 WO2017161821 A1 WO 2017161821A1
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WIPO (PCT)
Prior art keywords
gear
output
input
shaft
compression spring
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Application number
PCT/CN2016/096680
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English (en)
French (fr)
Inventor
蒋念根
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深圳市凯迪仕智能科技有限公司
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Application filed by 深圳市凯迪仕智能科技有限公司 filed Critical 深圳市凯迪仕智能科技有限公司
Publication of WO2017161821A1 publication Critical patent/WO2017161821A1/zh

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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • 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
    • F16D11/00—Clutches in which the members have interengaging parts

Definitions

  • the utility model relates to the field of electronic door locks, in particular to a clutch gear protection device.
  • the electronic lock body needs an electronic part to control the mechanical movement, and the mechanical part realizes the door locking action.
  • the motor clutch part is an important part of the combination of electronics and machinery, and the main part thereof Including the motor and gear, when the motor is running normally, it needs to rotate the gear to drive the power output of the motor. However, when the gear does not move when it encounters resistance during the meshing output, the tooth breakage will occur.
  • the object of the present invention is to solve the problem of interrupting the teeth during the clutch rotation process mentioned in the background art, that is, a clutch gear protection device.
  • a clutch gear protection device comprises an input gear, a gear connecting pressure spring, an output gear and a gear shaft; the input gear and the output gear are connected by a gear connecting pressure spring, and the input gear, the output gear, the gear connecting pressure spring are concentrically set on the gear On the shaft; the gear shaft has a structure for limiting the axial displacement of the input gear and the output gear; the distance between the input gear and the output gear is smaller than the length of the gear connected to the natural state of the compression spring, so that the gear is connected to the compression spring In the compressed state, the two ends respectively generate frictional force with the input gear and the output gear.
  • the frictional force of the gear connecting the compression spring drives the output gear to rotate together, in an abnormal state. That is, when the output gear is stuck for various reasons, the frictional force of the gear connecting compression spring is insufficient to rotate the output gear, and the input gear is idling, thereby protecting the motor assembly.
  • the gear shaft comprises an inner shaft and an outer shaft, wherein the inner shaft is a conventional pin gear shaft, and the two ends of the outer shaft respectively connect the input gear, the output gear and limit the axial direction of the input gear and the output gear. Displacement.
  • the outer shaft has a stopper at one end, and the input gear has a rib against the stopper, and the associated stopper restricts the upward movement of the rib;
  • the outer shaft has an annular groove in which a card member can be mounted, and the card member limits the output gear to restrict the output gear from moving downward.
  • Figure 1 is a schematic view of the assembly of the present invention
  • the reference numerals are as follows: input gear 1, gear connection compression spring 2, output gear 3, gear shaft 4, inner shaft 41, outer shaft 42, stopper 421, rib 11, and card slot 422.
  • a clutch gear protection device comprises an input gear 1, a gear connection compression spring 2, an output gear 3, a gear shaft 4; an input gear 1 and an output gear 3 are connected by a gear connection compression spring 2, an input gear 1, an output gear 3, a gear
  • the connecting pressure spring 2 is concentrically fitted on the gear shaft 4; the gear shaft 4 includes an inner shaft 41 and an outer shaft 42, the inner shaft 41 is a conventional pin gear shaft, and the two ends of the outer shaft 42 are respectively connected and input.
  • the gear 1 and the output gear 3 restrict the axial displacement of the input gear 1 and the output gear 3;
  • the outer shaft 42 has a stopper 421 at one end thereof, and the input gear 1 has a rib 11 against the stopper 421, and the corresponding stopper
  • the 421 restricts the rib 11 from moving upward; for the convenience of assembly, the outer shaft 42 has a card slot 422, and a card member can be installed in the card slot 422, the card member limits the output gear 3, and restricts the output gear 3 from moving downward.
  • the distance between the input gear 1 and the output gear 3 is smaller than the length of the gear connecting compression spring 2 in a natural state, so that the gear connecting compression spring 2 is in frictional state with friction between the input gear 1 and the output gear 3, respectively.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear Transmission (AREA)
  • One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
  • Transmission Devices (AREA)

Abstract

一种离合器齿轮保护装置，包括输入齿轮(1)、齿轮连接压簧(2)、输出齿轮(3)和齿轮轴(4)。输入齿轮(1)和输出齿轮(3)通过齿轮连接压簧(2)连接，输入齿轮(1)、输出齿轮(3)、齿轮连接压簧(2)三者同心套装在齿轮轴(4)上；所述输入齿轮(1)与输出齿轮(3)之间的距离小于所述齿轮连接压簧(2)自然状态下的长度，从而齿轮连接压簧(2)是在压迫状态下，其两端分别与输入齿轮(1)和输出齿轮(3)产生摩擦力。正常状态下当输入齿轮(1)转动时，所述齿轮连接压簧(2)两端的摩擦力带动所述输出齿轮(3)一起转动，非正常状态下即当输出齿轮(3)由于各种原因卡死的情况下，齿轮连接压簧(2)的摩擦力不足以使输出齿轮(3)转动，输入齿轮(1)空转，从而保护电机组件。上述离合器齿轮保护装置结构简单、生产方便、能有效解决离合器转动过程中的断齿问题。

Description

一种离合器齿轮保护装置 技术领域
本实用新型涉及电子门锁领域，特别涉及一种离合器齿轮保护装置。
背景技术
目前，市场上的各类门锁电子门锁功能多样，电子锁体需要电子部分控制机械运动，机械部分实现锁门动作，这个过程中，电机离合部件是电子与机械结合的重要部件，其主要包括电机、齿轮，当电机正常运转时需要靠齿轮转动将电机的动力输出，然而当齿轮在啮合输出的过程中遇到阻力时转不动，便会发生断齿的现象。
实用新型内容
本实用新型的目的解决背景技术中提到的离合器转动过程中断齿的问题，即一种离合器齿轮保护装置。
为实现上述目的，本实用新型采用了以下的技术方案：
一种离合器齿轮保护装置，包括输入齿轮、齿轮连接压簧、输出齿轮、齿轮轴；输入齿轮和输出齿轮通过齿轮连接压簧连接，输入齿轮、输出齿轮、齿轮连接压簧三者同心套装在齿轮轴上；所述齿轮轴上有限制输入齿轮和输出齿轮轴向位移的结构；所述输入齿轮与输出齿轮之间的距离小于所述齿轮连接压簧自然状态下的长度，从而齿轮连接压簧是在压迫状态下其两端分别与输入齿轮和输出齿轮产生摩擦力，正常状态下当输入齿轮转动时，所述齿轮连接压簧两端的摩擦力带动所述输出齿轮一起转动，非正常状态下即当输出齿轮由于各种原因卡死的情况下，齿轮连接压簧的摩擦力不足以使输出齿轮转动，输入齿轮空转，从而保护电机组件。
优选地，所述齿轮轴包括内轴和外轴，所述内轴为常规的针形齿轮轴，所述外轴的两端分别连接输入齿轮、输出齿轮并限制输入齿轮、输出齿轮的轴向位移。
优选地，所述外轴上一端有挡块，所述输入齿轮上有与挡块相抵的挡边，所属挡块限制挡边向上移动；
优选地，为了装配方便，所述外轴上有环形槽，所述环形槽内可以安装卡件，所述卡件对输出齿轮限位，限制输出齿轮向下移动。
由于采用了上述结构，当电机转动过程中，如果离合器遇到外力齿轮的力传不出去的时候，输入齿轮空转，从而保护离合组件。
附图说明
图1为本实用新型装配示意图；
附图标记如下：输入齿轮1、齿轮连接压簧2、输出齿轮3、齿轮轴4、内轴41、外轴42、挡块421、挡边11、卡槽422。
具体实施方式
以下结合附图对本实用新型进行详细描述。
一种离合器齿轮保护装置，包括输入齿轮1、齿轮连接压簧2、输出齿轮3、齿轮轴4；输入齿轮1和输出齿轮3通过齿轮连接压簧2连接，输入齿轮1、输出齿轮3、齿轮连接压簧2三者同心套装在齿轮轴4上；齿轮轴4包括内轴41和外轴42，所述内轴41为常规的针形齿轮轴，所述外轴42的两端分别连接输入齿轮1、输出齿轮3并限制输入齿轮1、输出齿轮3的轴向位移；外轴42上一端有挡块421，所述输入齿轮1上有与挡块421相抵的挡边11，所属挡块421限制挡边11向上移动；为了装配方便，所述外轴42上有卡槽422，卡槽422内可以安装卡件，所述卡件对输出齿轮3限位，限制输出齿轮3向下移动输入齿轮1与输出齿轮3之间的距离小于所述齿轮连接压簧2自然状态下的长度，从而齿轮连接压簧2是在压迫状态下其两端分别与输入齿轮1和输出齿轮3产生摩擦力，正常状态下当输入齿轮1转动时，所述齿轮连接压簧2两端的摩擦力带动所述输出齿轮3一起转动，非正常状态下即当输出齿轮3由于各种原因卡死的情况下，齿轮连接压簧2的摩擦力不足以使输出齿轮3转动，输入齿轮1空转，从而保护电机组件。

Claims (4)

  1. 一种离合器齿轮保护装置，特征在于包括输入齿轮、齿轮连接压簧、输出齿轮、齿轮轴；输入齿轮和输出齿轮通过齿轮连接压簧连接，输入齿轮、输出齿轮、齿轮连接压簧三者同心套装在齿轮轴上；所述输入齿轮与输出齿轮之间的距离小于所述齿轮连接压簧自然状态下的长度，从而齿轮连接压簧是在压迫状态下其两端分别与输入齿轮和输出齿轮产生摩擦力，正常状态下当输入齿轮转动时，所述齿轮连接压簧两端的摩擦力带动所述输出齿轮一起转动，非正常状态下即当输出齿轮由于各种原因卡死的情况下，齿轮连接压簧的摩擦力不足以使输出齿轮转动，输入齿轮空转，从而保护电机组件。
  2. 如权利要求1所述的一种离合器齿轮保护装置，特征在于所述齿轮轴包括内轴和外轴，所述内轴为针形齿轮轴，所述外轴的两端分别连接输入齿轮、输出齿轮并限制输入齿轮、输出齿轮的轴向位移。
  3. 如权利要求2所述的一种离合器齿轮保护装置，特征在于所述外轴上一端有挡块，所述输入齿轮上有与挡块相抵的挡边，所属挡块限制挡边向上移动。
  4. 如权利要求2所述的一种离合器齿轮保护装置，特征在于为了装配方便，所述外轴上有环形槽，所述环形槽内可以安装卡件，所述卡件对输出齿轮限位，限制输出齿轮向下移动。
PCT/CN2016/096680 2016-03-22 2016-08-25 一种离合器齿轮保护装置 WO2017161821A1 (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109403724A (zh) * 2018-11-06 2019-03-01 珠海优特物联科技有限公司 防堵转机构及锁具

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JPH03212588A (ja) * 1990-01-17 1991-09-18 Mitsubishi Electric Corp モータ式アクチュエータ
CN201539514U (zh) * 2009-09-29 2010-08-04 常州森吉制药设备制造有限公司 一种电动底盘车的电动操作模块的恒推力离合器
CN202746437U (zh) * 2012-09-07 2013-02-20 山东神戎电子股份有限公司 一种摩擦传动结构及过载可空转的齿轮传动装置
CN203716651U (zh) * 2013-10-31 2014-07-16 深圳市友利联合电子有限公司 一种自动滑盖门锁滑盖齿轮组过载保护装置
CN104727655A (zh) * 2015-03-12 2015-06-24 周理新 一种自动电子锁

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3206760A1 (de) * 1981-02-27 1982-10-07 Roltra S.p.A., 10149 Torino Zentrale tuerblockiervorrichtung, insbesondere fuer die wagentueren von kraftfahrzeugen
JPH03212588A (ja) * 1990-01-17 1991-09-18 Mitsubishi Electric Corp モータ式アクチュエータ
CN201539514U (zh) * 2009-09-29 2010-08-04 常州森吉制药设备制造有限公司 一种电动底盘车的电动操作模块的恒推力离合器
CN202746437U (zh) * 2012-09-07 2013-02-20 山东神戎电子股份有限公司 一种摩擦传动结构及过载可空转的齿轮传动装置
CN203716651U (zh) * 2013-10-31 2014-07-16 深圳市友利联合电子有限公司 一种自动滑盖门锁滑盖齿轮组过载保护装置
CN104727655A (zh) * 2015-03-12 2015-06-24 周理新 一种自动电子锁

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109403724A (zh) * 2018-11-06 2019-03-01 珠海优特物联科技有限公司 防堵转机构及锁具

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