WO2017117692A1 - Reduction drive mechanism - Google Patents

Reduction drive mechanism Download PDF

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Publication number
WO2017117692A1
WO2017117692A1 PCT/CN2016/000011 CN2016000011W WO2017117692A1 WO 2017117692 A1 WO2017117692 A1 WO 2017117692A1 CN 2016000011 W CN2016000011 W CN 2016000011W WO 2017117692 A1 WO2017117692 A1 WO 2017117692A1
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WO
WIPO (PCT)
Prior art keywords
base
internal thread
thread
external thread
displacement seat
Prior art date
Application number
PCT/CN2016/000011
Other languages
French (fr)
Chinese (zh)
Inventor
陈昶佑
吴崇玮
Original Assignee
南京大量数控科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 南京大量数控科技有限公司 filed Critical 南京大量数控科技有限公司
Priority to PCT/CN2016/000011 priority Critical patent/WO2017117692A1/en
Publication of WO2017117692A1 publication Critical patent/WO2017117692A1/en

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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
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • 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
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/08—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for interconverting rotary motion and reciprocating motion
    • F16H25/12—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for interconverting rotary motion and reciprocating motion with reciprocation along the axis of rotation, e.g. gearings with helical grooves and automatic reversal or cams
    • 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
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H2025/204—Axial sliding means, i.e. for rotary support and axial guiding of nut or screw shaft

Abstract

A reduction drive mechanism comprises a base set (1), a drive rod (2), a displacement base (3, 5), and a drive gear (4, 6). The base set (1) comprises a base (11). The drive rod (2) is connected to the base (11). A first external thread (21) is disposed at a surface of the drive rod (2). A first internal thread (31, 51) is disposed internally in the displacement base (3, 5), and a second external thread (33, 53) is disposed on a surface of the displacement base (3, 5). The pitch of the second external thread (33, 53) exceeds that of the first internal thread (31, 51). The first external thread (21) of the drive rod (2) is screwed into the first internal thread (31, 51). The drive gear (4, 6) comprises a second internal thread (41, 61). The second external thread (33, 53) of the displacement base (3, 5) is screwed into the second internal thread (41, 61). When the drive rod (2) rotates, since the pitch of the second external thread (33, 53) exceeds that of the first internal thread (31, 51), a rotation speed of the drive gear (4, 6) is less than that of the drive rod (2).

Description

减速机构Speed reduction mechanism 技术领域Technical field
本发明涉及一种减速机构，特别涉及一种利用螺纹作为速度转换的减速机构。The present invention relates to a speed reduction mechanism, and more particularly to a speed reduction mechanism that utilizes a thread as a speed shift.
背景技术Background technique
按，在目前用于传递动力与运动的机构中，减速机的应用范围相当广泛，常见的减速机有齿轮减速机(Gear reducer)、蜗杆减速机(Worm wheel reducer)、行星减速机(Planetary gears)等，此些减速机都是应用齿轮或是齿轮与蜗杆，结构复杂且维修不易，使用成本较高。According to the current mechanism for transmitting power and motion, the range of applications of the reducer is quite wide. Common reducers include Gear reducer, Worm wheel reducer, and Planetary gears. ), etc., these reducers are applied gears or gears and worms, the structure is complex and the maintenance is not easy, the use cost is high.
发明内容Summary of the invention
本发明的主要目的乃在于，利用螺纹转换速度，进而简化减速机构，方便维修以及降低使用成本。The main object of the present invention is to utilize the thread switching speed, thereby simplifying the speed reduction mechanism, facilitating maintenance, and reducing the cost of use.
为达上述目的，本发明提供一种减速机构，其特征在于，至少包含有：In order to achieve the above object, the present invention provides a speed reduction mechanism characterized by comprising at least:
一基座组，该基座组设置有基座，以及基座内的限位件；a base set, the base set is provided with a base, and a limiting piece in the base;
一传动杆，该传动杆枢接于基座组的基座，且传动杆与基座组的限位件呈平行状，并在传动杆表面设置有第一外螺纹；a transmission rod pivotally connected to the base of the base set, and the transmission rod is parallel with the limiting member of the base set, and a first external thread is disposed on the surface of the transmission rod;
一位移座，该位移座内设置有第一内螺纹，以及第一内螺纹一侧的限位孔，且位移座表面设置有第二外螺纹，第二外螺纹的导程大于第一内螺纹的导程，而第一内螺纹螺合于传动杆的第一外螺纹，并使限位孔套设于基座组的限位件；a displacement seat, the displacement seat is provided with a first internal thread, and a limiting hole on one side of the first internal thread, and the displacement seat surface is provided with a second external thread, and the lead of the second external thread is larger than the first internal thread Leading, the first internal thread is screwed to the first external thread of the transmission rod, and the limiting hole is sleeved on the limiting member of the base group;
一传动轮，该传动轮具有第二内螺纹，第二内螺纹螺合于位移座的第二外螺纹。a transmission wheel having a second internal thread, the second internal thread being screwed to the second external thread of the displacement seat.
其中：该基座组的限位件与位移座的限位孔均设有复数个。Wherein: the limiting member of the base group and the limiting hole of the displacement seat are provided with a plurality of.
其中：该基座组的基座内设置有轴承，传动轮受轴承承托定位。Wherein: the base of the base group is provided with a bearing, and the transmission wheel is positioned by the bearing.
凭借上述结构，当传动杆转动时，传动杆的第一外螺纹会推动位移座的第一内螺纹，使位移座于传动杆上位移，于位移座移动的同时，位移座的第二外螺纹会推动传动轮的第二内螺纹，俾使传动轮转动，且因第二外螺纹的导程大 于第一内螺纹的导程，使传动轮转动速率低于传动杆。With the above structure, when the transmission rod rotates, the first external thread of the transmission rod pushes the first internal thread of the displacement seat, so that the displacement seat is displaced on the transmission rod, and the second external thread of the displacement seat is moved while the displacement seat moves. Will push the second internal thread of the transmission wheel, causing the transmission wheel to rotate, and the lead of the second external thread is large The lead of the first internal thread causes the transmission wheel to rotate at a lower rate than the transmission rod.
附图说明DRAWINGS
图1是本发明第一实施例局部构件的剖面图。BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a cross-sectional view showing a partial member of a first embodiment of the present invention.
图2是本发明第一实施例剖面图。Figure 2 is a cross-sectional view showing a first embodiment of the present invention.
图3是本发明第一实施例局部构件的立体外观图。Figure 3 is a perspective external view of a partial member of a first embodiment of the present invention.
图4是本发明第一实施例的动作示意图。Fig. 4 is a schematic view showing the operation of the first embodiment of the present invention.
图5是本发明第二实施例局部构件的剖面图。Figure 5 is a cross-sectional view showing a partial member of a second embodiment of the present invention.
图6是本发明第二实施例剖面图。Figure 6 is a cross-sectional view showing a second embodiment of the present invention.
附图标记说明：1-基座组；11-基座；12-限位件；13-轴承；2-传动杆；21-第一外螺纹；3、5-位移座；31、51-第一内螺纹；32、52-限位孔；33、53-第二外螺纹；4、6-传动轮；41、61-第二内螺纹。DESCRIPTION OF REFERENCE NUMERALS: 1-base group; 11-base; 12-limit member; 13-bearing; 2-transmission rod; 21-first external thread; 3, 5--displacement seat; One internal thread; 32, 52-limit hole; 33, 53-second external thread; 4, 6-transmission wheel; 41, 61-second internal thread.
具体实施方式detailed description
请参阅图1至图3所示，由图中可清楚看出，本发明设置有基座组1、传动杆2、位移座3以及传动轮4，其中：Referring to FIG. 1 to FIG. 3, it can be clearly seen from the figure that the present invention is provided with a base set 1, a transmission rod 2, a displacement base 3 and a transmission wheel 4, wherein:
该基座组1设置有基座11，以及基座11内的限位件12与轴承13，且限位件12为复数设置。The base set 1 is provided with a base 11 and a limiting member 12 and a bearing 13 in the base 11, and the limiting member 12 is provided in plural.
该传动杆2枢接于基座组1的基座11，且传动杆2与基座组1的限位件12呈平行状，并于传动杆2表面设置有第一外螺纹21。The transmission rod 2 is pivotally connected to the base 11 of the base set 1 , and the transmission rod 2 is parallel with the limiting member 12 of the base set 1 , and a first external thread 21 is disposed on the surface of the transmission rod 2 .
该位移座3内设置有第一内螺纹31，以及第一内螺纹31一侧的限位孔32，第一内螺纹31与限位孔32系贯穿于位移座3二侧表面，且限位孔32为复数设置，而位移座3表面设置有第二外螺纹33，第二外螺纹33的导程系大于第一内螺纹31的导程，并使第一内螺纹31系螺合于传动杆2的第一外螺纹21，而限位孔32套设于基座组1的限位件12。A first internal thread 31 and a limiting hole 32 on one side of the first internal thread 31 are disposed in the displacement seat 3, and the first internal thread 31 and the limiting hole 32 are penetrated through the two side surfaces of the displacement seat 3, and the limit is limited. The hole 32 is provided in plural, and the surface of the displacement seat 3 is provided with a second external thread 33. The lead of the second external thread 33 is larger than the lead of the first internal thread 31, and the first internal thread 31 is screwed to the transmission. The first external thread 21 of the rod 2 is disposed on the limiting member 12 of the base set 1 .
该传动轮4具有第二内螺纹41，第二内螺纹41系螺合于位移座3的第二外螺纹33，且传动轮4系受基座组1的轴承13承托定位。The transmission wheel 4 has a second internal thread 41. The second internal thread 41 is screwed to the second external thread 33 of the displacement seat 3, and the transmission wheel 4 is supported by the bearing 13 of the base set 1.
请参阅图4所示，由图中可清楚看出，由于基座组1的轴承13限制了传动轮4位移，让传动轮4仅能依轴承13枢转，且基座组1的限位件12限制了位移座3仅能横向位移无法枢转，故传动杆2于转动时，传动杆2的第一外螺纹21会推动位移座3的第一内螺纹31，使位移座3于传动杆2上位移，而于 位移座3移动的同时，第二外螺纹33会推动传动轮4的第二内螺纹41，俾使传动轮4依轴承13枢转，凭借第二外螺纹33的导程系大于第一内螺纹31的导程，使传动轮4转动速率低于传动杆2，以达到减速的目的。Referring to FIG. 4, it can be clearly seen from the figure that since the bearing 13 of the base set 1 limits the displacement of the transmission wheel 4, the transmission wheel 4 can only be pivoted by the bearing 13, and the limit of the base set 1 is limited. The member 12 limits that the displacement seat 3 can only be pivoted without lateral displacement, so that when the transmission rod 2 is rotated, the first external thread 21 of the transmission rod 2 pushes the first internal thread 31 of the displacement seat 3, so that the displacement seat 3 is driven. Displacement on rod 2, and While the displacement seat 3 is moving, the second external thread 33 pushes the second internal thread 41 of the transmission wheel 4, so that the transmission wheel 4 is pivoted by the bearing 13, and the lead of the second external thread 33 is larger than the first internal thread. The lead of 31 causes the transmission wheel 4 to rotate at a lower rate than the transmission rod 2 for the purpose of deceleration.
请参阅图1、图2、图5与图6所示，由图5与图6中可清楚看出，本发明第二实施例与前述的第一实施例差异在于，该第二实施例位移座5的第二外螺纹53为凸螺纹，传动轮6的第二内螺纹61为凹螺纹，而第一实施例位移座3的第二外螺纹33为凹螺纹，传动轮4的第二内螺纹41为凸螺纹，且第二实施例同样可以达到相同于第一实施例减速的功效；由前述可得知，本案位移座(3、5)的第二外螺纹(33、53)与传动轮(4、6)的第二内螺纹(41、61)，只要为凹螺纹以及凸螺纹相互配合即可，并不限定一定是要外螺纹或一定是要内螺纹才可，而位移座(3、5)的第一内螺纹(31、51)与传动杆2的第一外螺纹21也同。Referring to FIG. 1 , FIG. 2 , FIG. 5 and FIG. 6 , it can be clearly seen from FIG. 5 and FIG. 6 that the second embodiment of the present invention differs from the foregoing first embodiment in that the second embodiment is displaced. The second external thread 53 of the seat 5 is a male thread, and the second internal thread 61 of the transmission wheel 6 is a concave thread, and the second external thread 33 of the displacement seat 3 of the first embodiment is a concave thread, and the second inner portion of the transmission wheel 4 The thread 41 is a male thread, and the second embodiment can also achieve the same effect as the deceleration of the first embodiment; as can be seen from the foregoing, the second external thread (33, 53) and the transmission of the displacement seat (3, 5) of the present case The second internal thread (41, 61) of the wheel (4, 6) may be a concave thread and a male thread, and it is not limited to be an external thread or a female thread, and the displacement seat ( The first internal thread (31, 51) of 3, 5) is also the same as the first external thread 21 of the transmission rod 2.
是以，本发明为可解决现有的问题与缺失，其关键技术在于，本发明利用限制位移座3仅能于传动杆2上横向位移，并于位移座3上设置不同导程的第一内螺纹31与第二外螺纹33，并让第一内螺纹31螺合于传动杆2的第一外螺纹21，以及第二外螺纹33螺合于传动轮4的第二内螺纹41，使传动杆2带动传动轮4转动时，产生不同的转动速率，以达到减速的目的，并可简化减速机构，方便维修且降低使用成本。 Therefore, the present invention solves the existing problems and deficiencies. The key technology is that the present invention utilizes the limit displacement seat 3 to be laterally displaced only on the transmission rod 2, and the first step of setting different leads on the displacement base 3 The internal thread 31 and the second external thread 33, and the first internal thread 31 is screwed to the first external thread 21 of the transmission rod 2, and the second external thread 33 is screwed to the second internal thread 41 of the transmission wheel 4, so that When the transmission rod 2 drives the transmission wheel 4 to rotate, different rotation rates are generated to achieve the purpose of deceleration, and the speed reduction mechanism can be simplified, the maintenance is convenient, and the use cost is reduced.

Claims (3)

  1. 一种减速机构，其特征在于，至少包含有：A speed reduction mechanism characterized by comprising at least:
    一基座组，该基座组设置有基座，以及基座内的限位件；a base set, the base set is provided with a base, and a limiting piece in the base;
    一传动杆，该传动杆枢接于基座组的基座，且传动杆与基座组的限位件呈平行状，并在传动杆表面设置有第一外螺纹；a transmission rod pivotally connected to the base of the base set, and the transmission rod is parallel with the limiting member of the base set, and a first external thread is disposed on the surface of the transmission rod;
    一位移座，该位移座内设置有第一内螺纹，以及第一内螺纹一侧的限位孔，且位移座表面设置有第二外螺纹，第二外螺纹的导程大于第一内螺纹的导程，而第一内螺纹螺合于传动杆的第一外螺纹，并使限位孔套设于基座组的限位件；a displacement seat, the displacement seat is provided with a first internal thread, and a limiting hole on one side of the first internal thread, and the displacement seat surface is provided with a second external thread, and the lead of the second external thread is larger than the first internal thread Leading, the first internal thread is screwed to the first external thread of the transmission rod, and the limiting hole is sleeved on the limiting member of the base group;
    一传动轮，该传动轮具有第二内螺纹，第二内螺纹螺合于位移座的第二外螺纹。a transmission wheel having a second internal thread, the second internal thread being screwed to the second external thread of the displacement seat.
  2. 根据权利要求1所述的减速机构，其特征在于：该基座组的限位件与位移座的限位孔均设有复数个。The speed reduction mechanism according to claim 1, wherein the limiting member of the base set and the limiting hole of the displacement seat are provided in plurality.
  3. 根据权利要求1所述的减速机构，其特征在于：该基座组的基座内设置有轴承，传动轮受轴承承托定位。 The speed reduction mechanism according to claim 1, wherein a bearing is disposed in the base of the base set, and the transmission wheel is positioned by the bearing support.
PCT/CN2016/000011 2016-01-08 2016-01-08 Reduction drive mechanism WO2017117692A1 (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB788875A (en) * 1954-08-23 1958-01-08 Philips Electrical Ind Ltd Improvements in or relating to speed-reducing mechanisms
GB857203A (en) * 1958-04-14 1960-12-29 Marconi Wireless Telegraph Co Improvements in or relating to screw and nut driving mechanisms
CN101562370A (en) * 2008-04-17 2009-10-21 Smc株式会社 Electric actuator
CN201944219U (en) * 2011-01-05 2011-08-24 杨新胜 High-precision and high-efficiency reduction gear
KR20120010831A (en) * 2010-07-27 2012-02-06 주식회사 모아텍 Feeding nut for step motor
WO2012053552A1 (en) * 2010-10-20 2012-04-26 株式会社豊田中央研究所 Gear fitting and disengaging device, and engine starter
DE102012204784A1 (en) * 2012-03-26 2013-09-26 Continental Teves Ag & Co. Ohg Spindle drive i.e. differential-dual-ball circulating drive, for use in electromechanical-hydraulic brake system of automobile, has spindles including grooves with gradients, which are selected of different sizes according to amount
CN104633030A (en) * 2015-01-30 2015-05-20 无锡市曙光高强度紧固件有限公司 Combined nut for speed reducer
TW201619527A (en) * 2015-08-06 2016-06-01 吳崇瑋 Retardation mechanism

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB788875A (en) * 1954-08-23 1958-01-08 Philips Electrical Ind Ltd Improvements in or relating to speed-reducing mechanisms
GB857203A (en) * 1958-04-14 1960-12-29 Marconi Wireless Telegraph Co Improvements in or relating to screw and nut driving mechanisms
CN101562370A (en) * 2008-04-17 2009-10-21 Smc株式会社 Electric actuator
KR20120010831A (en) * 2010-07-27 2012-02-06 주식회사 모아텍 Feeding nut for step motor
WO2012053552A1 (en) * 2010-10-20 2012-04-26 株式会社豊田中央研究所 Gear fitting and disengaging device, and engine starter
CN201944219U (en) * 2011-01-05 2011-08-24 杨新胜 High-precision and high-efficiency reduction gear
DE102012204784A1 (en) * 2012-03-26 2013-09-26 Continental Teves Ag & Co. Ohg Spindle drive i.e. differential-dual-ball circulating drive, for use in electromechanical-hydraulic brake system of automobile, has spindles including grooves with gradients, which are selected of different sizes according to amount
CN104633030A (en) * 2015-01-30 2015-05-20 无锡市曙光高强度紧固件有限公司 Combined nut for speed reducer
TW201619527A (en) * 2015-08-06 2016-06-01 吳崇瑋 Retardation mechanism

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