CN1062022A - 两杆之间的铰接装置 - Google Patents
两杆之间的铰接装置 Download PDFInfo
- Publication number
- CN1062022A CN1062022A CN91111210A CN91111210A CN1062022A CN 1062022 A CN1062022 A CN 1062022A CN 91111210 A CN91111210 A CN 91111210A CN 91111210 A CN91111210 A CN 91111210A CN 1062022 A CN1062022 A CN 1062022A
- Authority
- CN
- China
- Prior art keywords
- bar
- pivot
- recess
- support arm
- articulated mounting
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/02—Work-feeding means with feed dogs having horizontal and vertical movements
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/24—Feed-dog lifting and lowering devices
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/045—Pivotal connections with at least a pair of arms pivoting relatively to at least one other arm, all arms being mounted on one pin
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2340/00—Apparatus for treating textiles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/32—Articulated members
- Y10T403/32606—Pivoted
- Y10T403/32819—Pivoted including tension or take-up means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/32—Articulated members
- Y10T403/32606—Pivoted
- Y10T403/32819—Pivoted including tension or take-up means
- Y10T403/32852—External of bearing assembly, e.g., antirattler, etc.
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/32—Articulated members
- Y10T403/32606—Pivoted
- Y10T403/32861—T-pivot, e.g., wrist pin, etc.
- Y10T403/32868—Floating pin
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sewing Machines And Sewing (AREA)
- Clamps And Clips (AREA)
- Pivots And Pivotal Connections (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
杆的端部是通过在支臂之间容纳杆的叉件而限
定的。每一支臂具有布置在其内侧面的一凹口。凹
口平行于此内侧面且按此支臂的纵向而延伸,支臂端
的开通可设置一容纳枢轴的通道。凹口不贯穿支臂
的总厚度,以便留出保持枢轴的轴向止推面。杆的端
部具有用于与枢轴啮合的侧向凹口。拉力弹簧的一
端与杆连接,而另一端被钩住在与枢轴的轴线同心的
槽内,槽设置在相反于开通凹口侧面的杆的一端。
Description
本发明涉及在两杆之间的铰接装置,在此装置中,第一杆的一端具有一用于在支臂之间容纳第二杆一端的叉件。
当没有滚珠轴承情况下两根杆互相铰接时,很难同时获得两杆之间不存在任一余隙的***。尤其是在以高频率工作的杆确实是如此的,例如缝纫机的待缝纫材料驱动机构用的杆。然而,按高频率往复运动工作的杆,铰接杆之间的余隙会引起噪声,而且,在同样情况下,会造成不精密缝合的来源。
在此机构中,用于带动织物的爪一般按照两个正交方向的组合运动而被推动,正交方向组合运动给与爪一椭园轨迹。为此,爪被固定到一个呈夹子状元件上,夹子状元件的两支臂的自由端与两根平行杆铰接,以便按照两方向之一控制移动。夹子的两支臂铰接轴的对准提出一个制造方面的棘手问题,即两支臂的穿孔须在单一作业中实现。此外,如果此呈夹子状元件是直接地取自铸造厂,例如灌铸件,事实上,为浇铸件穿孔面释放的应力仍然使穿孔件的对准变得更加困难。
本发明目的在于至少部分地弥补上述缺陷。
为此,本发明按权利要求1涉及在两杆之间的铰接装置。
通过此设想,该装置可直接使用铸造件,尤其是不需要任一预加工作业的浇铸件,由此而导致制造费用的明显减低。当然,这些元件也可通过用塑性材料模塑或注塑而获得。
随后的说明和附图揭示其它优点,作为实施例的附图示意地说明本发明目的的铰接装置的实施方案。
图1为装有铰接装置的缝纫机用织物驱动机构的俯视图。
图2是按图1线Ⅱ-Ⅱ的正视图。
图3是按图2线Ⅲ-Ⅲ的剖面图。
图4是按图2线Ⅳ-Ⅳ的正视图。
图5是按图2线Ⅴ-Ⅴ的局部剖视放大图。
图6是图5的透视分解图。
配置有两杆之间的铰接装置的机构作为发明对象的实施例,是本文中的缝纫机织物传动机构。鉴于此机构严格地说不是本发明部分,但仅作为一个应用例来出示,本文对这方面不予全面详细叙述,如果此描述对本发明的理解是不必要的话。
图1~4表示用于将机构连接到底座(未图示)的一根棒1,杆2是旋转安装在棒1上的。此杆含有与连接元件2C连接的两条臂2a,2b,连接元件2c配置一容纳棒1的侧向开启的纵向凹口3。臂2a和2b的自由端各自与呈夹子状元件5的两臂5a,5b的自由端铰接,夹子的中央臂5c含有一用于按一规定方向通过相继的间距驱动待缝纫织物的爪8。
本发明涉及的铰接装置经放大示于图5和6。图2表示与呈夹子状元件5铰接的臂2a和2b的两端由叉件限定,叉件的支臂分别由7a,7b和6a,6b表示之,且在叉件支臂之间分别容纳夹子状元件5的臂5a和5b。如图5和6所示的每一支臂6a,6b;7a,7b,其中仅在图6中示出支臂6a和6b,支臂6a和6b的内表面上设有凹口9。此凹口9平行于支臂6a和6b的内侧面,且按此支臂的纵向而延伸,从而在开孔的支臂端布置一容纳枢轴10的通道。如图6所示,较佳的是,此空挡(即凹口)不贯穿支臂6a和6b的整个厚度,以便留出保持枢轴10的轴向止推面。每个凹口9的侧面9a的底部用于作为枢轴10的绕轴旋转面。
插进叉件支臂6a,6b之间的呈夹子状元件5的臂5a的一端具有用于插进枢轴10上的侧向凹口11。相反于侧向凹口11通向的侧面的臂5b的一端部分,具有与枢轴10的轴线同心的半圆形槽12。此槽12用于钩住螺旋拉力弹簧13之一端。为容纳此螺旋弹簧13,杆2的臂2a和2b具有特别是示于图6的半圆形截面,从而为螺旋弹簧13的通路而布置了侧向开启的通道,螺旋弹簧的另一端通入与杆2a和2b连接的连接元件2c的纵向凹口3而钩住在棒1上。
人们可以理解,所有绕轴旋转面是由使枢轴能侧向进入的半圆形面形成的。同样地,杆2a和2b的垂直截面是半环形的,以使这些杆可直接通过铸造而获得的,特别是通过浇铸,无需任何后加工。这种铰接装置一方面导致制造操作的简化和工作量的明显减少,另一方面可获得超过传统铰接法的精密度。此外,由于杆是弹性地支靠在枢轴上,所有由磨损引起的余隙可自动地消除,以致使此铰接在无噪音下操作,且即使受到磨损也具有精密度。
Claims (6)
1、两杆(2a,2b;5a,5b)之间的铰接装置,其中第一杆(2a,2b)的一端具有在支臂(6a,6b;7a,7b)之间容纳第二杆(5b)一端的叉件,其特征在于凹口(9)按此支臂的纵向而被设置在各个所述支臂(6a,6b)上,因此支臂一端的开孔形成了枢轴(10)的一端在所述支臂之间的侧向进入道路,第一凹口(9)的侧面(9a)的底部形成了所述枢轴(10)两端之一的支承面,而第二杆(5a,5b)的邻接端具有凹口(11)在其表面之一侧向开通以便与在叉件支臂(6a,6b;7a,7b)之间延伸的枢轴(10)部分啮合,以及弹性装置(13)用于将一侧向压力施加在第二杆(5a,5b)的一端,一方面使枢轴(10)和所述支承面,另一方面使第二杆(5a,5b)的凹口(11)的底部和枢轴(10)彼此保持经常的接触。
2、按权利要求1的铰接装置,其特征在于在所述叉件的支臂(6a,6b)两端形成的凹口(9)被设置在各支臂的内侧面上,且平行于此内侧面,以便布置所述枢轴(10)的轴向止推面。
3、按权利要求1的装置,其特征在于第二杆(5a,5b)的端部具有用于钩住螺旋拉力弹簧(13)一端的装置(12),而螺旋拉力弹簧的另一端与第一杆(2b)连接。
4、按权利要求3的装置,其特征在于相反于所述凹口(11)通向的侧面的第二杆(5a,5b)的端部中央部分,具有与所述枢轴(10)的轴线同心的槽(12),且用于钩住所述螺旋拉力弹簧(13)的一端。
5、按权利要求3的铰接装置,其特征在于所述拉力弹簧(13)的第二端被钩住在所述第二枢轴(1)的周围,第二枢轴(1)平行于第一枢轴且侧向嵌入凹口(3)内,凹口(3)的底部形成设置在所述第一杆(2a,2b)另一端的第二枢轴(1)的支承面。
6、按前述权利要求之一的铰接装置,其特征在于每一带有支承面的所述杆是直接地通过铸造而获得的。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH03779/90-1 | 1990-11-29 | ||
CH3779/90A CH684416A5 (fr) | 1990-11-29 | 1990-11-29 | Dispositif d'articulation entre deux leviers. |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1062022A true CN1062022A (zh) | 1992-06-17 |
CN1025926C CN1025926C (zh) | 1994-09-14 |
Family
ID=4263308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN91111210A Expired - Fee Related CN1025926C (zh) | 1990-11-29 | 1991-11-26 | 两杆之间的铰接装置 |
Country Status (9)
Country | Link |
---|---|
US (1) | US5143470A (zh) |
EP (1) | EP0488957B1 (zh) |
JP (1) | JPH04266609A (zh) |
CN (1) | CN1025926C (zh) |
BR (1) | BR9105187A (zh) |
CH (1) | CH684416A5 (zh) |
DE (1) | DE69103736T2 (zh) |
ES (1) | ES2061219T3 (zh) |
RU (1) | RU2040712C1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102003454A (zh) * | 2010-11-03 | 2011-04-06 | 倪湘凝 | 火炬台顶升机构用的铰接装置 |
CN108118459A (zh) * | 2016-11-29 | 2018-06-05 | 深圳市德业智能股份有限公司 | 一种物料定位装置以及一种缝纫设备 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4227291A1 (de) * | 1992-08-18 | 1994-02-24 | Wabco Westinghouse Fahrzeug | Gabelgelenk |
BR9304034A (pt) * | 1993-10-19 | 1995-06-20 | Brasil Compressores Sa | Biela bi-partida para compressor hermético alternativo |
CN100582506C (zh) * | 2006-04-28 | 2010-01-20 | 鸿富锦精密工业(深圳)有限公司 | 转动机构 |
RU2507326C2 (ru) * | 2012-05-03 | 2014-02-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Ивановская государственная текстильная академия" (ИГТА) | Механизм транспортирования ткани швейной машины |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US458228A (en) * | 1891-08-25 | Sachusetts | ||
DE7411070U (de) * | 1974-12-12 | Blaupunkt Werke Gmbh | Kunststoffgelenk | |
DE177846C (zh) * | ||||
US915524A (en) * | 1908-11-20 | 1909-03-16 | John G Wise | Switch-rod connection. |
US2372120A (en) * | 1943-09-30 | 1945-03-20 | Lonnie M Roberson | Rotatable truck standard |
US2834277A (en) * | 1953-08-13 | 1958-05-13 | Allis Chalmers Mfg Co | Quick hitch system |
US3036536A (en) * | 1959-02-12 | 1962-05-29 | Singer Mfg Co | Presser lifter mechanism for sewing machines |
DE1425957A1 (de) * | 1964-04-14 | 1969-03-20 | Willy Herold | Selbsthemmendes Gelenk |
IT1073022B (it) * | 1976-10-13 | 1985-04-13 | Rockwell Rimoldi Spa | Comando per un dispositivo di regolazione del trasporto differenziale di una macchina per cucire |
US4170804A (en) * | 1978-05-15 | 1979-10-16 | Vanauto Accessories Proprietary Limited | Wiper arm and mounting head |
US4541354A (en) * | 1984-03-30 | 1985-09-17 | Janome Sewing Machine Industry Co., Ltd. | Feed reference point balancing device of sewing machine |
DE3500336A1 (de) * | 1985-01-08 | 1986-07-10 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Spielausgleich in den gelenken einer koppelstange |
IT8522117V0 (it) * | 1985-06-07 | 1985-06-07 | Eurodomestici Ind Riunite | Biellismo per piccole macchine monocilindriche alternative, particolarmente per compressori per frigoriferi. |
DE3628115A1 (de) * | 1986-08-19 | 1988-02-25 | Heinz Klein | Scharnier, insb. fuer moebel |
CH677804A5 (zh) * | 1988-11-30 | 1991-06-28 | Mefina Sa |
-
1990
- 1990-11-29 CH CH3779/90A patent/CH684416A5/fr not_active IP Right Cessation
-
1991
- 1991-11-26 ES ES91810919T patent/ES2061219T3/es not_active Expired - Lifetime
- 1991-11-26 DE DE69103736T patent/DE69103736T2/de not_active Expired - Fee Related
- 1991-11-26 EP EP91810919A patent/EP0488957B1/fr not_active Expired - Lifetime
- 1991-11-26 CN CN91111210A patent/CN1025926C/zh not_active Expired - Fee Related
- 1991-11-28 JP JP3314644A patent/JPH04266609A/ja active Pending
- 1991-11-28 BR BR919105187A patent/BR9105187A/pt not_active Application Discontinuation
- 1991-11-28 RU SU915010220A patent/RU2040712C1/ru active
- 1991-11-29 US US07/798,926 patent/US5143470A/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102003454A (zh) * | 2010-11-03 | 2011-04-06 | 倪湘凝 | 火炬台顶升机构用的铰接装置 |
CN102003454B (zh) * | 2010-11-03 | 2013-01-02 | 倪湘凝 | 火炬台顶升机构用的铰接装置 |
CN108118459A (zh) * | 2016-11-29 | 2018-06-05 | 深圳市德业智能股份有限公司 | 一种物料定位装置以及一种缝纫设备 |
Also Published As
Publication number | Publication date |
---|---|
DE69103736D1 (de) | 1994-10-06 |
BR9105187A (pt) | 1992-07-21 |
JPH04266609A (ja) | 1992-09-22 |
RU2040712C1 (ru) | 1995-07-25 |
CN1025926C (zh) | 1994-09-14 |
US5143470A (en) | 1992-09-01 |
EP0488957B1 (fr) | 1994-08-31 |
DE69103736T2 (de) | 1995-03-02 |
ES2061219T3 (es) | 1994-12-01 |
CH684416A5 (fr) | 1994-09-15 |
EP0488957A1 (fr) | 1992-06-03 |
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