WO2016101427A1 - Armrest locking structure of folding chair - Google Patents
Armrest locking structure of folding chair Download PDFInfo
- Publication number
- WO2016101427A1 WO2016101427A1 PCT/CN2015/074996 CN2015074996W WO2016101427A1 WO 2016101427 A1 WO2016101427 A1 WO 2016101427A1 CN 2015074996 W CN2015074996 W CN 2015074996W WO 2016101427 A1 WO2016101427 A1 WO 2016101427A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- armrest
- rack
- annular
- locking
- annular cam
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/75—Arm-rests
- B60N2/79—Adaptations for additional use of the arm-rests
- B60N2/793—Adaptations for additional use of the arm-rests for use as storage compartments
Definitions
- the utility model relates to the field of furniture, in particular to an armrest locking structure of a folding chair.
- the eccentric locking structure is composed of a locking case and an inner eccentric handle.
- the inner eccentric handle snaps into the front half of the lock housing to form a unitary body and fits into the armrest steel tube together.
- the fixed lock case and the handle that starts the eccentricity slowly clamp the handrail steel pipe, thereby locking the back and forth movement of the handrail steel pipe.
- Rack lock structure which is composed of a long rack, a short rack, a lock case, an eccentric shaft and a wrench.
- the short rack is fixed on the lock shell by self-tapping screws, and the eccentric shaft which is screwed into the integral handle is inserted into the short rack to complete the function of controlling the lifting of the short rack, and then the long teeth are fixed by the blind rivets.
- the armrest steel pipe of the strip penetrates into the lock case; when the handle is rotated, the eccentric shaft jacks up one end of the short rack tooth, so that the teeth on the short rack are caught in the long rack to play the locking function.
- the eccentric locking structure has the defects that the locking is not strong and is easy to fall off; the rack locking structure has the defects of various parts and complicated processes. At the same time, neither of these structures can solve the anti-pinch function in the safety standards required for export to Europe, and thus cannot be exported to Europe.
- the utility model provides a handrail locking structure of a compact and safely used folding chair.
- An armrest locking structure for a folding chair comprising a long rack disposed at the bottom of the armrest, a short rack below the long rack, a lock case sleeved on the armrest tube, and a a locking handle that meshes with and separates the short rack from the long rack, the lock a tight handle is located below the short rack, one end of the short rack is fixed on one end of the lock case, and the lock handle is fastened on the other end of the lock case, the lock case Also provided is a connector for moving the lock housing only along the length of the armrest tube;
- the locking handle includes a handle body, an annular cam rotatable around the armrest tube, and an annular snap portion engaged with the lock housing, the handle body being fixedly coupled to the annular cam, the annular cam
- the annular engaging portion is disposed, the axis of the annular engaging portion is in line with the axis of the annular cam, and the annular cam and the annular engaging portion are respectively disposed on the armrest tube;
- the annular cam is in contact with the bottom of the other end of the short rack.
- Figure 1 is an exploded view of the armrest locking structure of a folding chair.
- Figure 2 is a schematic illustration of the unlatched state.
- Figure 3 is a schematic illustration of the locked state.
- a handrail locking structure of a folding chair comprising a long rack disposed at the bottom of the armrest, a short rack 5 located below the long rack, and being placed on the armrest tube a locking case 6 and a locking handle 4 for engaging and disengaging the short rack 5 and the long rack, the locking handle 4 being located below the short rack 5, the short tooth
- One end of the strip 5 is fixed on one end of the lock case 6, and the lock handle 4 is fastened on the other end of the lock case 6.
- the lock case 6 is also provided with the lock case 6 Along the place a connector for moving the armrest tube in the longitudinal direction;
- the locking handle 4 includes a handle body 41, an annular cam 42 rotatable around the armrest tube, and an annular snap portion 43 that is engaged with the lock housing 6.
- the handle body 41 and the annular cam 42 a fixed connection, the annular cam 42 is provided with the annular snap portion 43 , the axis of the annular snap portion 43 is in line with the axis of the annular cam 42 , the annular cam 42 and the ring
- the snap portions 43 are all fitted on the armrest tube 2;
- the annular cam 42 is in contact with the bottom of the other end of the short rack 5.
- the two ends of the armrest tube are respectively connected to the armrest through a cylindrical sleeve 1 and a tapered sleeve 7, and the spacing between the armrest tube and the armrest is less than 7 mm and greater than 12 mm.
- the handrail is a plastic handrail 3, and the handrail pipe is an iron handrail pipe 2.
- the iron handrail pipe 2 functions to support the plastic handrail 3 and connect the footrest pipe and the backrest pipe, and the plastic handrail 3 sits down and stands up.
- the lock case 6 is located above the front leg tube and the rear leg tube and connected to the front leg tube and the rear leg tube; the short rack 5 is fixed to the lock case 6 by a self-tapping screw;
- One end of the annular cam 42 is provided with a decorative hemisphere cover, and the other end of the annular cam 42 is connected to the annular latching portion 43;
- the two sides of the plastic armrest 3 are provided with sliding slots along the length direction, and the locking shell 6 is The connector is inserted into the chute and forms a sliding pair therewith.
- the locking shell 6 drives the locking handle 4 and the short rack 5 to move back and forth in the axial direction of the iron armrest tube 2, thereby realizing the sitting, lying and folding functions of the chair.
- the locking handle 4 is rotated by the axis of the iron armrest tube 2, so that the annular cam 42 pushes up the slot of the other end of the short rack 5 to engage with the slot in the plastic armrest 3.
- the chair is in phase The state of the response.
- the utility model discards the defect that the handrail and the locking mechanism have no connection with each other, and the locking long rack is made on the armrest, and one part is reduced, and the lock shell 6 can only move along the length direction of the iron armrest tube 2 and the other The direction is not movable, so the plastic armrest 3 and the lock case 6 and the short rack 5 can be locked, thereby making the structure simpler and more compact, and preventing the personal injury of the gripper and the like, so that it fully complies with the European safety test standard.
Abstract
An armrest locking structure of a folding chair, the locking structure comprising a long rack arranged on a bottom portion of an armrest, a short rack (5) located below the long rack, a lock housing (6) sleeved on an armrest tube (2), and a locking handle (4) used for causing the short rack (5) to be engaged with and separated from the long rack. The locking handle (4) is located below the short rack (5), one end of the short rack (5) is fixed on one end of the lock housing (6), and the locking handle (4) is snap-fitted on the other end of the lock housing (6). The locking handle (4) comprises a handle body (41), an annular cam (42) capable of rotating around the armrest tube (2), and an annular snap-fit portion (43) in a snap-fit with the lock housing (6), the axis of the annular snap-fit portion (43) and the axis of the annular cam (42) being on a same straight line, the annular cam (42) and the annular snap-fit portion (43) being sleeved on the armrest tube (2), the annular cam (42) abutting a bottom portion of the other end of the short rack (5).
Description
本实用新型涉及家具领域，尤其是一种折叠椅的扶手锁止结构。The utility model relates to the field of furniture, in particular to an armrest locking structure of a folding chair.
原扶手锁止机构有两种：a.偏心锁结构，它由锁壳和内偏心手柄两部分组成。内偏心手柄卡入锁壳前半部分与其形成一个整体，并一同套入扶手钢管内。当旋转内偏心手柄时，固定的锁壳和开始偏心的手柄慢慢的将扶手钢管夹紧，从而起到锁止扶手钢管前后运动的目的。b.齿条锁结构，它是由长齿条、短齿条、锁壳、偏心轴和扳手组成。它先将短齿条通过自攻螺丝固定在锁壳上，将手柄用螺钉连成一体的偏心轴插入短齿条内完成控制短齿条升降的功能，再将用抽芯铆钉固定着长齿条的扶手钢管穿入锁壳内；当转动手柄时，偏心轴将短齿条带齿一端顶起，从而使短齿条上的齿卡入长齿条内，起到锁止作用。There are two kinds of original armrest locking mechanisms: a. The eccentric locking structure is composed of a locking case and an inner eccentric handle. The inner eccentric handle snaps into the front half of the lock housing to form a unitary body and fits into the armrest steel tube together. When the inner eccentric handle is rotated, the fixed lock case and the handle that starts the eccentricity slowly clamp the handrail steel pipe, thereby locking the back and forth movement of the handrail steel pipe. b. Rack lock structure, which is composed of a long rack, a short rack, a lock case, an eccentric shaft and a wrench. Firstly, the short rack is fixed on the lock shell by self-tapping screws, and the eccentric shaft which is screwed into the integral handle is inserted into the short rack to complete the function of controlling the lifting of the short rack, and then the long teeth are fixed by the blind rivets. The armrest steel pipe of the strip penetrates into the lock case; when the handle is rotated, the eccentric shaft jacks up one end of the short rack tooth, so that the teeth on the short rack are caught in the long rack to play the locking function.
但偏心锁结构具有锁止不牢，容易脱落的缺陷；齿条锁结构具有零件繁多，工艺复杂的缺陷。同时这两种结构都不能解决出口欧洲时要求的安全标准中的防夹手功能，从而无法出口欧洲。However, the eccentric locking structure has the defects that the locking is not strong and is easy to fall off; the rack locking structure has the defects of various parts and complicated processes. At the same time, neither of these structures can solve the anti-pinch function in the safety standards required for export to Europe, and thus cannot be exported to Europe.
发明内容Summary of the invention
为了克服已有的扶手锁止结构存在使用安全隐患的不足，本实用新型提供一种结构紧凑、使用安全的折叠椅的扶手锁止结构。In order to overcome the deficiencies of the existing handrail locking structure, the utility model provides a handrail locking structure of a compact and safely used folding chair.
本实用新型解决其技术问题所采用的技术方案是：The technical solution adopted by the utility model to solve the technical problems thereof is:
一种折叠椅的扶手锁止结构，所述锁止结构包括设置在扶手底部的长齿条、位于所述长齿条下方的短齿条、套装于扶手管上的锁壳和用以将所述短齿条与所述长齿条相互啮合和分离的锁紧手柄，所述锁
紧手柄位于所述短齿条的下方，所述短齿条的一端固定在所述锁壳的一端上，所述锁紧手柄卡接在所述锁壳的另一端上，所述锁壳上还设置有用以所述锁壳只沿所述扶手管长度方向运动的连接件；An armrest locking structure for a folding chair, the locking structure comprising a long rack disposed at the bottom of the armrest, a short rack below the long rack, a lock case sleeved on the armrest tube, and a a locking handle that meshes with and separates the short rack from the long rack, the lock
a tight handle is located below the short rack, one end of the short rack is fixed on one end of the lock case, and the lock handle is fastened on the other end of the lock case, the lock case Also provided is a connector for moving the lock housing only along the length of the armrest tube;
所述锁紧手柄包括手柄本体、可绕所述扶手管进行旋转的环形凸轮和与所述锁壳卡接的环形卡接部，所述手柄本体与所述环形凸轮固定连接，所述环形凸轮上设置有所述环形卡接部，所述环形卡接部的轴线与所述环形凸轮的轴线在同一直线上，所述环形凸轮和所述环形卡接部均套装于所述扶手管上；The locking handle includes a handle body, an annular cam rotatable around the armrest tube, and an annular snap portion engaged with the lock housing, the handle body being fixedly coupled to the annular cam, the annular cam The annular engaging portion is disposed, the axis of the annular engaging portion is in line with the axis of the annular cam, and the annular cam and the annular engaging portion are respectively disposed on the armrest tube;
所述环形凸轮与所述短齿条的另一端的底部相抵触。The annular cam is in contact with the bottom of the other end of the short rack.
本实用新型的有益效果主要表现在：结构紧凑、工艺简单、使用安全；具有造型新颖大方、锁止牢固可靠。The beneficial effects of the utility model are mainly manifested in: compact structure, simple process and safe use; novel and generous design, firm and reliable locking.
图1是一种折叠椅的扶手锁止结构的爆炸图。Figure 1 is an exploded view of the armrest locking structure of a folding chair.
图2是未锁止状态的示意图。Figure 2 is a schematic illustration of the unlatched state.
图3是锁止状态的示意图。Figure 3 is a schematic illustration of the locked state.
下面结合附图对本实用新型作进一步描述。The present invention will be further described below in conjunction with the accompanying drawings.
参照图1～图3，一种折叠椅的扶手锁止结构，所述锁止结构包括设置在扶手底部的长齿条、位于所述长齿条下方的短齿条5、套装于扶手管上的锁壳6和用以将所述短齿条5与所述长齿条相互啮合和分离的锁紧手柄4，所述锁紧手柄4位于所述短齿条5的下方，所述短齿条5的一端固定在所述锁壳6的一端上，所述锁紧手柄4卡接在所述锁壳6的另一端上，所述锁壳6上还设置有用以所述锁壳6只沿所
述扶手管长度方向运动的连接件；1 to 3, a handrail locking structure of a folding chair, the locking structure comprising a long rack disposed at the bottom of the armrest, a short rack 5 located below the long rack, and being placed on the armrest tube a locking case 6 and a locking handle 4 for engaging and disengaging the short rack 5 and the long rack, the locking handle 4 being located below the short rack 5, the short tooth One end of the strip 5 is fixed on one end of the lock case 6, and the lock handle 4 is fastened on the other end of the lock case 6. The lock case 6 is also provided with the lock case 6 Along the place
a connector for moving the armrest tube in the longitudinal direction;
所述锁紧手柄4包括手柄本体41、可绕所述扶手管进行旋转的环形凸轮42和与所述锁壳6卡接的环形卡接部43，所述手柄本体41与所述环形凸轮42固定连接，所述环形凸轮42上设置有所述环形卡接部43，所述环形卡接部43的轴线与所述环形凸轮42的轴线在同一直线上，所述环形凸轮42和所述环形卡接部43均套装于所述扶手管2上；The locking handle 4 includes a handle body 41, an annular cam 42 rotatable around the armrest tube, and an annular snap portion 43 that is engaged with the lock housing 6. The handle body 41 and the annular cam 42 a fixed connection, the annular cam 42 is provided with the annular snap portion 43 , the axis of the annular snap portion 43 is in line with the axis of the annular cam 42 , the annular cam 42 and the ring The snap portions 43 are all fitted on the armrest tube 2;
所述环形凸轮42与所述短齿条5的另一端的底部相抵触。The annular cam 42 is in contact with the bottom of the other end of the short rack 5.
本实施例中，所述扶手管的两端分别通过圆柱型管套1和锥型管套7与所述扶手连接，所述扶手管与所述扶手之间的间距为小于7mm大于12mm，所述扶手为塑料扶手3，所述扶手管为铁扶手管2，铁扶手管2起到支撑塑料扶手3和连接搁脚管和靠背管传递力量的作用，塑料扶手3起到坐下和站起时支撑人体重量的作用；所述锁壳6位于所述前脚管和后脚管的上方并与前脚管和后脚管连接；所述短齿条5通过自攻螺钉固定在锁壳6上；所述环形凸轮42的一端设置有装饰性半球盖，所述环形凸轮42的另一端连接所述环形卡接部43；所述塑料扶手3两侧沿长度方向开有滑槽，所述锁壳6上的连接件插入所述滑槽内并与其形成滑动副。In this embodiment, the two ends of the armrest tube are respectively connected to the armrest through a cylindrical sleeve 1 and a tapered sleeve 7, and the spacing between the armrest tube and the armrest is less than 7 mm and greater than 12 mm. The handrail is a plastic handrail 3, and the handrail pipe is an iron handrail pipe 2. The iron handrail pipe 2 functions to support the plastic handrail 3 and connect the footrest pipe and the backrest pipe, and the plastic handrail 3 sits down and stands up. The function of supporting the weight of the human body; the lock case 6 is located above the front leg tube and the rear leg tube and connected to the front leg tube and the rear leg tube; the short rack 5 is fixed to the lock case 6 by a self-tapping screw; One end of the annular cam 42 is provided with a decorative hemisphere cover, and the other end of the annular cam 42 is connected to the annular latching portion 43; the two sides of the plastic armrest 3 are provided with sliding slots along the length direction, and the locking shell 6 is The connector is inserted into the chute and forms a sliding pair therewith.
本实用新型的工作过程：在未锁止时，锁壳6带动锁紧手柄4和短齿条5一起在铁扶手管2的轴线方向上前后运动，从而实现椅子的坐、躺和收折功能；而在锁止时，锁紧手柄4以铁扶手管2轴线旋转，使其环形凸轮42将短齿条5的另一端的齿槽顶起，从而与塑料扶手3内的齿槽相啮合，使其不能前后运动，起到锁止效果，椅子就处于相
应的状态。The working process of the utility model: when not locked, the locking shell 6 drives the locking handle 4 and the short rack 5 to move back and forth in the axial direction of the iron armrest tube 2, thereby realizing the sitting, lying and folding functions of the chair. When locked, the locking handle 4 is rotated by the axis of the iron armrest tube 2, so that the annular cam 42 pushes up the slot of the other end of the short rack 5 to engage with the slot in the plastic armrest 3. Make it unable to move back and forth, play a locking effect, the chair is in phase
The state of the response.
本实用新型摒弃了过去扶手与锁止机构互无联系的缺陷，将锁止长齿条做到扶手上，减少了一个零件，同时锁壳6只能沿铁扶手管2的长度方向运动而其他方向不可动，因此塑料扶手3与锁壳6、短齿条5就能实现锁止，从而使结构更加简单紧凑，杜绝了夹手等对人身的伤害，使其完全符合欧洲安全检测标准。
The utility model discards the defect that the handrail and the locking mechanism have no connection with each other, and the locking long rack is made on the armrest, and one part is reduced, and the lock shell 6 can only move along the length direction of the iron armrest tube 2 and the other The direction is not movable, so the plastic armrest 3 and the lock case 6 and the short rack 5 can be locked, thereby making the structure simpler and more compact, and preventing the personal injury of the gripper and the like, so that it fully complies with the European safety test standard.
Claims (1)
- 一种折叠椅的扶手锁止结构，其特征在于：所述锁止结构包括设置在扶手底部的长齿条、位于所述长齿条下方的短齿条、套装于扶手管上的锁壳和用以将所述短齿条与所述长齿条相互啮合和分离的锁紧手柄，所述锁紧手柄位于所述短齿条的下方，所述短齿条的一端固定在所述锁壳的一端上，所述锁紧手柄卡接在所述锁壳的另一端上，所述锁壳上还设置有用以所述锁壳只沿所述扶手管长度方向运动的连接件；An armrest locking structure for a folding chair, characterized in that: the locking structure comprises a long rack disposed at the bottom of the armrest, a short rack below the long rack, a lock sleeve disposed on the armrest tube, and a locking handle for intermeshing and disengaging the short rack from the long rack, the locking handle being located below the short rack, one end of the short rack being fixed to the lock case The locking handle is fastened to the other end of the lock case, and the lock case is further provided with a connecting member for moving the lock case only along the length of the armrest tube;所述锁紧手柄包括手柄本体、可绕所述扶手管进行旋转的环形凸轮和与所述锁壳卡接的环形卡接部，所述手柄本体与所述环形凸轮固定连接，所述环形凸轮上设置有所述环形卡接部，所述环形卡接部的轴线与所述环形凸轮的轴线在同一直线上，所述环形凸轮和所述环形卡接部均套装于所述扶手管上；The locking handle includes a handle body, an annular cam rotatable around the armrest tube, and an annular snap portion engaged with the lock housing, the handle body being fixedly coupled to the annular cam, the annular cam The annular engaging portion is disposed, the axis of the annular engaging portion is in line with the axis of the annular cam, and the annular cam and the annular engaging portion are respectively disposed on the armrest tube;所述环形凸轮与所述短齿条的另一端的底部相抵触。 The annular cam is in contact with the bottom of the other end of the short rack.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420870123.6 | 2014-12-26 | ||
| CN201420870123.6U CN204363472U (en) | 2014-12-26 | 2014-12-26 | A kind of handrail locking structure of folding seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2016101427A1 true WO2016101427A1 (en) | 2016-06-30 |
Family
ID=53319735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2015/074996 WO2016101427A1 (en) | 2014-12-26 | 2015-03-24 | Armrest locking structure of folding chair |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204363472U (en) |
| WO (1) | WO2016101427A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1132615A (en) * | 1994-10-31 | 1996-10-09 | 株式会社塔捷斯 | Sloping device of chair |
| CN201147046Y (en) * | 2008-01-31 | 2008-11-12 | 马跃凌 | Chaise longue capable of randomly regulating angle |
| CN201175119Y (en) * | 2007-05-24 | 2009-01-07 | 浙江泰普森休闲用品有限公司 | Seating reclining chair with pillow |
| US20090072592A1 (en) * | 2007-09-18 | 2009-03-19 | Edward Zheng | Recliner with locking mechanism |
| CN201612356U (en) * | 2009-12-21 | 2010-10-27 | 浙江泰普森休闲用品有限公司 | Sitting and lying folding chair |
| CN201995984U (en) * | 2010-11-09 | 2011-10-05 | 广力达企业有限公司 | Front-rear adjusting device for chair armrest |
-
2014
- 2014-12-26 CN CN201420870123.6U patent/CN204363472U/en not_active Expired - Fee Related
-
2015
- 2015-03-24 WO PCT/CN2015/074996 patent/WO2016101427A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1132615A (en) * | 1994-10-31 | 1996-10-09 | 株式会社塔捷斯 | Sloping device of chair |
| CN201175119Y (en) * | 2007-05-24 | 2009-01-07 | 浙江泰普森休闲用品有限公司 | Seating reclining chair with pillow |
| US20090072592A1 (en) * | 2007-09-18 | 2009-03-19 | Edward Zheng | Recliner with locking mechanism |
| CN201147046Y (en) * | 2008-01-31 | 2008-11-12 | 马跃凌 | Chaise longue capable of randomly regulating angle |
| CN201612356U (en) * | 2009-12-21 | 2010-10-27 | 浙江泰普森休闲用品有限公司 | Sitting and lying folding chair |
| CN201995984U (en) * | 2010-11-09 | 2011-10-05 | 广力达企业有限公司 | Front-rear adjusting device for chair armrest |
Also Published As
| Publication number | Publication date |
|---|---|
| CN204363472U (en) | 2015-06-03 |
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