WO2014094253A1 - 帐篷架快速展开的顶部支撑结构 - Google Patents

帐篷架快速展开的顶部支撑结构 Download PDF

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Publication number
WO2014094253A1
WO2014094253A1 PCT/CN2012/086945 CN2012086945W WO2014094253A1 WO 2014094253 A1 WO2014094253 A1 WO 2014094253A1 CN 2012086945 W CN2012086945 W CN 2012086945W WO 2014094253 A1 WO2014094253 A1 WO 2014094253A1
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Prior art keywords
tent
lock
pivoting
support structure
pivot
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PCT/CN2012/086945
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English (en)
French (fr)
Inventor
伍景荣
陈维斌
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厦门市荣兴旺野营用品有限公司
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Priority to PCT/CN2012/086945 priority Critical patent/WO2014094253A1/zh
Publication of WO2014094253A1 publication Critical patent/WO2014094253A1/zh

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H15/00—Tents or canopies, in general
    • E04H15/28—Umbrella type tents

Definitions

  • the invention relates to a tent frame, in particular to a top support structure in which a tent frame is rapidly deployed.
  • the elastic member enables the support rods of the tent to have an upwardly-reset elastic force to realize the function of automatically deploying the tent bracket.
  • the support rods are not provided with a limit structure for preventing the recovery, only the elastic member's self-recovering force is used to realize the traction of the support rods, but the support force for the tent cloth cannot be satisfied, that is, the tent frame The support is not secure.
  • the Chinese invention patent application discloses a tent support top support structure which can realize automatic tent deployment, which is pivotally connected to each support rod by a top pivot joint, and an elastic body is arranged between each support rod and the pivot joint.
  • a control seat is axially connected to a lower portion of the pivoting seat, and the control seat is provided with a locking piece capable of restraining the rotation of the supporting rods at the top and between the adjacent two locking pieces and releasing the same Restricted release tank.
  • this structure has the following disadvantages:
  • the supporting structure After the tent structure is folded, the supporting structure must exert a concentrated folding force on each supporting rod for a long time. Otherwise, the tent bracket will bounce off by itself to create a safety hazard, which makes the trap of the tent inconvenient.
  • the object of the present invention is to provide a top support structure for rapidly deploying a tent frame, which not only facilitates the rapid deployment of the tent, but also has a positioning function for the tent bracket after being folded into position, so that the tent display operation is more convenient.
  • the solution of the present invention is:
  • a top support structure for rapidly deploying a tent frame includes a pivoting seat pivotally connected to the tent pole, and a pivoting seat upper cover mating with the pivoting seat, the tent pole being pivotally connected to the pivoting seat by an elastic member
  • a lock core that can be rotated in the pivot seat, the upper end of the lock core passes through the upper cover of the pivot joint, and the lock core in the pivot joint corresponds to each tent pole to form a tent pole rotation.
  • the position groove forms a lock block between the adjacent position grooves to prevent the rotation of each tent pole.
  • the upper end of the upper cover of the pivoting seat is also fitted with a locking button, and the locking button is fixed with the lock core.
  • a lock button return spring is further disposed between the lock button and the upper cover of the pivot seat.
  • the center of the pivoting seat forms a lock seat for accommodating the lock cylinder, and the pivoting grooves of the pivot joint pass through the lock seat.
  • a convex wall is formed on both sides of each pivoting groove of the pivoting seat, and a space for accommodating the elastic member is formed between the convex walls of the adjacent pivoting groove, and a pivot hole for pivoting is formed on the convex wall.
  • the upper cover of the pivoting seat is a cover body corresponding to the pivoting seat, and a through hole is formed in the center for the upper end of the lock core to pass through, and an arcuate limiting groove is formed on the upper surface of the upper cover of the pivoting seat, and the locking button is formed
  • a convex pin that fits in the arcuate limiting groove is provided on the lower surface.
  • the lock cylinder is a cylinder, and the middle portion forms a lock rod with an outer diameter adapted to the inner diameter of the lock seat.
  • the lock rod forms a retaining groove corresponding to each tent pole, and each tent pole is formed between the adjacent retaining slots.
  • the locking block, the upper end of the locking rod is formed into a profiled neck and is connected to the lock button after passing through the upper cover of the pivoting seat.
  • the lower portion of the lock knob forms an end cap, and the upper portion of the end cap forms a trigger.
  • the top end or side of the trigger is provided with a locking hole for the locking member to be locked with the lock cylinder.
  • the tent poles are pivotally connected to the pivot joint by a pivot rod.
  • the front end of the pivot rod forms a straight cut surface
  • the rear end of the pivot rod forms a fitting hole for the tent pole to cooperate.
  • the present invention provides a rotatable lock cylinder in the pivot joint, and the lock cylinder is provided with a retaining groove and a lock block, and the lock cylinder is rotated, and the lock block is staggered by the pivot joint groove or the seal pivot joint groove.
  • the rotation of the tent pole is realized, and the automatic expansion of the tent frame is driven by the elastic energy of the elastic member at the pivotal joint of the tent pole, and the lock block has a locking function for the two states of the tent unfolding and folding at the same time. It not only makes the tent frame unfolding and folding more convenient, but also has a limit function after the tent is closed, preventing the safety hazard caused by the tent frame self-bounce.
  • Figure 1 is an exploded perspective view of the present invention
  • Figure 1A is a bottom perspective view of the lock button of the present invention.
  • Figure 2 is a combined appearance view of the present invention
  • Figure 3 is a schematic view showing the state of collapse of the present invention.
  • Figure 4 is a schematic view showing the deployment operation of the present invention.
  • Figure 5 is a schematic view showing the expanded state of the present invention.
  • the present invention discloses a top support structure for rapidly deploying a tent frame, which comprises a pivot joint for pivoting the tent pole A.
  • a pivoting seat upper cover 2 mating with the pivoting socket 1, a lock cylinder 3 located in the pivoting socket 1, a lock button 4 located above the pivoting socket 1 and driving the lock cylinder 3 to rotate, and a lock Button 4
  • the lock button return spring 5 is connected to the pivoting seat 1 by the elastic member 6, and the elastic member 6 stores elastic energy when the tent frame is folded.
  • Piece 6 The elastic energy can be released to automatically pop up the tent pole A.
  • the center of the pivoting seat 1 forms a lock seat 11 to accommodate the lock cylinder 3, and the pivot seat 1 is a lock seat 11
  • the pivoting groove 12 of each tent pole is formed radially, and the pivoting slots 12 and the locking seat 11 are penetrated; and the necking hole 13 is further formed under the locking seat 11; in each pivoting slot 12 A convex wall 121 is formed on both sides, and a space for accommodating the elastic member 6 is formed between the convex walls 121 of the adjacent pivoting slots 12, and a pivot hole 122 for the pivoting of the pivoting shaft 122 is formed on the convex wall 121.
  • the slot is formed to form a pivot hole after the pivot cover upper cover 2 is engaged.
  • the elastic member 6 here
  • the spring is taken as an example for description. Of course, it is not limited to the torsion spring. Other types of elastic members may be used as long as the tent pole has an elastic fit with respect to the pivot joint 1 .
  • the pivot cover upper cover 2 is a cover body corresponding to the pivot joint 1 , and the lower surface thereof can form a groove 21 corresponding to each pivot groove 12, and each groove 21
  • the upper end forms a limiting surface of the tent pole A, and a gap is formed on the two side walls of the recess 21 to form a pivot hole 122.
  • the center of the upper cover 2 forms a lock core. 3
  • the through hole 23 passing through the upper end forms an arcuate limiting groove 24 on the upper surface of the upper cover 2 of the pivoting seat, and the locking hole 25 of the pivoting seat 1 is provided on the pivoting cover 2 and the lock is provided
  • the button return spring 5 is fitted with a matching hole 26.
  • the lock cylinder 3 is a cylinder, and a middle portion thereof forms a lock rod whose outer diameter is matched with the inner diameter of the lock seat 11, and the lock rod corresponds to each tent pole A.
  • the retaining groove 31 is formed, and the lock block 32 of each tent pole A is formed between the adjacent retaining slots 31, and the upper end of the lock rod is formed with the special shaped constricted portion 33 and passes through the through hole 23 of the pivoting seat upper cover 2
  • lock button 4 is connected together, and a constricted portion 34 may be formed at the lower end of the lock lever to fit in the constricted hole 13 of the pivotal seat 1.
  • the lower portion of the lock knob 4 forms an end cap 41, and the lower surface of the end cap 41 is provided with a lug 42.
  • a matching hole 43 for the locking button return spring 5 is further disposed on the lower surface of the end cover 41; the lower center of the locking button 4 is formed and the above-mentioned profiled neck 33
  • the mating shaped seat 44; a trigger 45 is formed on the upper portion of the end cap 41 of the lock knob 4.
  • a locking hole 46 is provided at the top end of the trigger 45 for the locking member to pass through with the lock cylinder 3 Locking together, of course, a locking hole may be provided on the side of the trigger 45 for the locking member to be locked with the lock cylinder 3.
  • the tent poles A can be pivotally connected to the pivot joints 1 through the pivoting bars 8 , and the front ends of the pivot poles 8 form a straight cut surface 81 .
  • the rear end of the pivoting rod 8 forms an insertion hole 82 for the tent pole A to cooperate. If each tent pole A is directly pivotally connected to the pivot socket 1, the end portion thereof also needs to be set as a straight section. Set straight section 82
  • the purpose of the pivoting rod 8 or the tent pole A is that the straight section 82 is just limited by the locking block 32 when deployed.
  • each pivoting rod 8 is pivotally connected to the pivoting seat 1 by a pivot 7 that is sleeved with the elastic member 6, and the lock cylinder 3 It is placed in the pivoting seat 1, and the pivoting seat upper cover 2 is fixed with the pivoting seat 1, and the locking button return spring 5 is placed between the locking button 4 and the pivoting seat upper cover 2, and the locking button 4 is simultaneously With lock cylinder 3 Fixed together.
  • the lock button return spring 5 exerts a force on the lock button 4 so that the lock block 32 of the lock cylinder 3 is located at the pivotal seat 12 of the pivot joint 1, wherein the arcuate limit groove of the pivot cover 2 is pivoted.
  • 24 is that the rotation angle of the control lock button 4 is limited to the area where the lock block 32 is staggered from the pivoting groove 12 and the sealing pivot groove 12, so that the user has the lock and unlocked gear position perception.
  • each elastic member 6 is in an energy storage state
  • the lock block 32 of the lock cylinder 3 is in a position to seal the inner end of the pivotal groove 12, and at this time, each pivot rod 8 is limited by the lock block 32.
  • the function of the buckle is not able to rotate.
  • the function of the lock button return spring 5 is such that the lock cylinder 3 has a force that always causes the lock block 32 to be in the position of the buckle pivoting groove 12.
  • the lock button 4 is rotated relative to the pivoting seat 1, and at the same time, the lock cylinder 3 is rotated, and the button is locked. 4
  • the lock button return spring 5 at this time is in an energy storage state, and the lock block 32 of the lock cylinder 3 is just offset from the pivotal groove 12 of the pivotal seat 1 while locking Core 3
  • the position of the retaining groove 31 is aligned with the position of the pivoting groove 12, and the front end of the pivoting rod 8 has a space for rotation, and the tent poles A are driven by the restoring forces of the elastic members 6.
  • the upward rotation realizes the automatic unfolding of the tent bracket; while the pivoting rod 8 rotates, the front end thereof is extended in the retaining groove 31 to have a blocking effect on the locking block 32, even if the locking button return spring 5 will lock the button 4
  • the function of restoring force can not drive the lock cylinder 3 to rotate, and the force applied to the lock button 4 is saved.
  • the straight cut surface 81 of the front end of the pivot rod 8 will be withdrawn from the position slot. 31
  • the lock cylinder 3 is rotated to the initial state by the restoring force of the lock button return spring 5, that is, the position of the lock block 32 is closed to the pivot joint groove 12, and the tent pole 8 is at this time.
  • the downward force can not be folded, and the state in which the lock positioning tent is deployed is realized, as shown in FIG.
  • lock button return spring 5 does not need to be set, and the tent lock rod A can also be unlocked by directly using the manual pull lock button 4.
  • the lock button 4 When the tent is folded, the lock button 4 is rotated relative to the pivoting seat 1 to drive the lock ring 32 of the lock cylinder 3 and the pivoting slot 12 of the pivot joint 1 Staggered, the position of the lock slot 31 of the lock cylinder 3 is aligned with the position of the pivot slot 12, and the front end of the pivot rod 8 has a space for rotation. At this time, each tent pole A is applied downwardly, and the tent can be folded. Bracket When the rotation of the door 8 is extended, the front end of the lock button 31 has a blocking effect on the lock block 32. Even if the lock button return spring 5 has a restoring force on the lock button 4, the lock cylinder 3 cannot be driven.
  • the present invention provides a rotatable lock cylinder 3 in the pivot joint 1, and the lock cylinder 3 is provided with a retaining groove 31 and a lock block 32.
  • the lock block 32 of the lock cylinder 3 is staggered by the pivoting groove 12 or the buckle pivoting groove 12 to realize the rotation of the tent pole A, and the flexibility of the pivot joint of the tent pole A is matched.
  • Piece 6 The elastic energy can drive the automatic unfolding of the tent frame, and the lock block 32 At the same time, the two states of the tent unfolding and folding have a locking function. This not only makes the tent frame unfolding and folding more convenient, but also has a limit function after the tent is folded, preventing the safety hazard caused by the tent frame self-bounce.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Tents Or Canopies (AREA)

Abstract

一种帐篷架快速展开的顶部支撑结构，包括一枢接帐篷支杆（A）的枢接座（1）、一与枢接座配合的枢接座上盖（2），帐篷支杆通过弹性件（6）与枢接座枢接在一起；还包括一在枢接座中可以转动的锁芯（3），锁芯的上端穿出枢接座上盖，位于枢接座中的锁芯对应各帐篷支杆形成帐篷支杆转动的让位槽（31），相邻让位槽之间形成防止各帐篷支杆转动的锁块（32）。转动锁芯，令锁块错开枢接槽或封扣枢接槽而实现帐篷支杆的转动与否，配合帐篷支杆枢接处弹性件的弹性能作用下带动帐篷架的自动展开，而锁块同时对帐篷展开与收合的两种状态又具有一锁定的功能，不仅令帐篷架的展开与收合更加方便，而且令帐篷收合后亦具有一限位作用，防止帐篷架自行弹开而造成的安全隐患。

Description

帐篷架快速展开的顶部支撑结构 技术领域
本发明涉及一种帐篷架，特别是指一种帐篷架快速展开的顶部支撑结构。
背景技术
由复数个杆件构成帐篷架支撑篷布而构成的帐篷，为提高帐篷展开的便利性，出现了自动展开的帐篷架，其主要是通过帐篷顶部的枢接座与帐篷各支撑杆之间设置弹性件，令帐篷各支撑杆具有一向上复位的弹力而实现将帐篷支架自动展开的功能。但是，在各支撑杆展开后，如若对各支撑杆没有设置防止回收的限位结构，仅依靠弹性件自体的回复力实现对支撑杆的牵引却无法满足对帐篷布的支撑力，即帐篷架的支撑不牢靠。
因此便出现了公告号为CN101999023A，名称为'帐篷架顶部支撑结构' 的中国发明专利申请，其公开了一种可以实现帐篷自动展开的帐篷架顶部支撑结构，是由一顶部枢接座枢接各支撑杆，而各支撑杆与枢接座之间设有弹性体，在该枢接座的下部轴向枢接一控制座，该控制座设有能靠顶各支撑杆以限制其转动的锁接片以及位于相邻两锁接片之间并能松释该限制的松释槽。但此该结构却存在如下缺点：
1 、由于此控制座是设置在枢接座的下方，因此在展开帐篷后进行限位时，操作不便，尤其是帐篷支架是架于篷布外侧的帐篷，更显其操作的不便性。
2 、此支撑结构在收合帐篷架后，必须持久对各支撑杆施以集中的收合力，否则帐篷支架会自行弹开产生安全隐患，令帐篷的收合具有不便的问题存在。
发明内容
本发明的目的是提供一种帐篷架快速展开的顶部支撑结构，其不仅便于帐篷的快速展开，而且令收合到位后的帐篷支架具有一定位功能，令帐篷的展收操作都更加方便。
为实现上述目的，本发明的解决方案是：
一种帐篷架快速展开的顶部支撑结构，其包括一枢接帐篷支杆的枢接座、一与枢接座配合的枢接座上盖，帐篷支杆通过弹性件与枢接座枢接在一起；其中：还包括一在枢接座中可以转动的锁芯，锁芯的上端穿出枢接座上盖，位于枢接座中的锁芯对应各帐篷支杆形成帐篷支杆转动的让位槽，相邻让位槽之间形成防止各帐篷支杆转动的锁块。
所述的枢接座上盖上方还配合有锁钮，此锁钮与锁芯固定在一起。
所述锁钮与枢接座上盖之间还设有一锁钮复位弹簧。
所述枢接座的中心形成容置锁芯的锁座，枢接座的各枢接槽与锁座贯通。
所述枢接座的各枢接槽两侧形成凸墙，相邻枢接槽的凸墙之间便形成容置弹性件的空间，在凸墙上开设有供枢轴配合的枢孔。
所述枢接座上盖是对应枢接座的盖体，其中心形成一供锁芯上端穿过的通孔，在枢接座上盖的上表面形成一弧形限位槽，而锁钮下表面上设有配合于弧形限位槽中的凸销。
所述锁芯为一圆柱体，其中部形成外径与锁座内径相适配的锁杆，锁杆对应各帐篷支杆形成让位槽，相邻让位槽之间便形成各帐篷支杆的锁块，锁杆的上端形成异形缩颈而穿过枢接座上盖后与锁钮连接在一起。
所述锁钮的下部形成一端盖，端盖的上部形成扳柄。
所述扳柄的顶端或侧面设有供锁接件穿过与锁芯锁接的锁孔。
所述各帐篷支杆通过枢接杆与枢接座枢接在一起，此枢接杆的前端形成直切面，枢接杆的后端形成帐篷支杆配合的嵌孔。 采用上述方案后，本发明通过在枢接座中设置可以转动的锁芯，而锁芯上设置让位槽与锁块，转动锁芯，其锁块错开枢接槽或封扣枢接槽而实现帐篷支杆的转动与否，配合帐篷支杆枢接处弹性件的弹性能作用下带动帐篷架的自动展开，而锁块同时对帐篷展开与收合的两种状态又具有一锁定的功能，不仅令帐篷架的展开与收合更加方便，而且令帐篷收合后亦具有一限位作用，防止帐篷架自行弹开而造成的安全隐患。
附图说明
图1是本发明的立体分解图；
图1A是本发明锁钮的仰视立体图；
图2是本发明的组合外观图；
图3是本发明实施收合状态示意图；
图4是本发明实施展开动作示意图；
图5是本发明实施展开状态示意图。
具体实施方式
下面结合附图和具体实施例对本发明作进一步的说明。
如图1至图5所示，本发明揭示了一种帐篷架快速展开的顶部支撑结构，其包括一枢接帐篷支杆A的枢接座 1、一与枢接座1配合的枢接座上盖2，一位于枢接座1中的锁芯3、一位于枢接座1上方并带动锁芯3转动的锁钮4及一位于锁钮4 与枢接座上盖2之间的锁钮复位弹簧5，帐篷支杆A通过弹性件6与枢接座1枢接在一起，该弹性件6在帐篷架收折时储蓄弹性能，该弹性件6 能释放弹性能以自动弹起帐篷支杆A。
所述枢接座1的中心形成锁座11以容置锁芯3，此枢接座1以锁座11 为中心呈放射状形成各帐篷支杆的枢接槽12，各枢接槽12与锁座11贯通；另在锁座11的下方还可形成缩颈孔13；在各枢接槽12 的两侧形成凸墙121，则相邻枢接槽12的凸墙121之间便形成容置弹性件6的空间，在凸墙121上开设有供枢轴7配合的枢孔122 ，此实施例是形成缺槽，以与枢接座上盖2对合后形成枢孔。另外，此处的弹性件6 以钮簧为例进行说明，当然并不局限于钮簧，亦可采用其它形式的弹性件，只要令帐篷支杆相对枢接座1具有弹性配合即可。
所述枢接座上盖2是对应枢接座1的盖体，其下表面对应各枢接槽12可形成凹槽21，各凹槽21 的上端形成帐篷支杆A的限位面，在凹槽21的两侧壁上形成与上述缺槽对合形成枢孔122的缺口；另在枢接座上盖2的中心形成一供锁芯3 上端穿过的通孔23，在枢接座上盖2的上表面形成一弧形限位槽24，同时在枢接座上盖2上设有与枢接座1的锁孔25以及供锁钮复位弹簧5 配合的配合孔26。
所述锁芯3为一圆柱体，其中部形成外径与上述锁座11内径相适配的锁杆，锁杆对应各帐篷支杆A 形成让位槽31，相邻让位槽31之间便形成各帐篷支杆A的锁块32，而锁杆的上端形成异形缩颈33而穿过枢接座上盖2的通孔23后与锁钮 4连接在一起，在锁杆的下端亦可形成一下缩颈34以配合于枢接座1的缩颈孔13中。
配合图2A所示，所述锁钮4的下部形成一端盖41，在端盖41的下表面上设有凸销42 以配合于上述弧形限位槽24中，另在端盖41的下表面上还设有供锁钮复位弹簧5配合的配合孔43；锁钮4的下部中心形成与上述异形缩颈33 配合的异型座44；在锁钮4端盖41的上部形成扳柄45。此实施例是在扳柄45的顶端设有锁孔46以供锁接件穿过而与锁芯3 锁接在一起，当然亦可采用在扳柄45的侧面设有锁孔，以供锁接件穿过与锁芯3锁接在一起。
所述各帐篷支杆A可通过枢接杆8与枢接座1枢接在一起，此枢接杆8的前端形成直切面81 ，枢接杆8的后端形成嵌孔82以供帐篷支杆A配合。如果各帐篷支杆A直接与枢接座1枢接，则其端部亦需设置为直切面。设置直切面82 的目的是令枢接杆8或帐篷支杆A在展开时，其直切面82恰由锁块32限制。
本发明在组合时，各枢接杆8通过套置有弹性件6的枢轴7而枢接于枢接座1上，锁芯3 是置于枢接座1中，而枢接座上盖2与枢接座1固定在一起，锁钮复位弹簧5置于锁钮4与枢接座上盖2之间定位，同时锁钮4与锁芯3 固定在一起。常态时，锁钮复位弹簧5会施力于锁钮4令其带动锁芯3的锁块32位于枢接座1枢接槽12的位置，其中枢接座上盖2的弧形限位槽 24是控制锁钮4的转动角度仅限于锁块32错开枢接槽12与封合枢接槽12的区域，令使用者具有锁扣与解锁的档位知觉。
配合图3所示，帐篷架的各帐篷支杆A处于收合状态时，各枢接杆8是与枢接座1 呈竖直状态，同时各弹性件6处于蓄能状态，而锁芯3的锁块32是处于封合枢接槽12内端的位置，此时各枢接杆8受限于锁块32 的封扣作用而无法转动，此实施例中设置锁钮复位弹簧5的作用是令锁芯3具有一始终令锁块32处于封扣枢接槽12位置的力。
配合图4所示，当需要展开帐篷时，扳动锁钮4相对枢接座1转动，与此同时带动锁芯3转动，待锁钮 4转至弧形限位槽24的另一端时，此时的锁钮复位弹簧5处于蓄能状态，而锁芯3的锁块32恰与枢接座1的枢接槽12错开，同时锁芯3 的让位槽31恰对准枢接槽12的位置，则枢接杆8的前端便具有了转动的空间，在各弹性件6复位力作用下带动各帐篷支杆A 向上转动实现帐篷支架的自动展开；在枢接杆8转动的同时，其前端是伸置于让位槽31中对锁块32具有一阻挡作用，即便锁钮复位弹簧5会对锁钮4 具有一回复力的作用亦无法带动锁芯3转动，省去了持续对锁钮4的施力，待帐篷支杆A完全展开后，枢接杆8前端的直切面81便会退出让位槽31 ，则锁芯3在锁钮复位弹簧5的回复力作用下转动至初始状态，即锁块32封扣枢接槽12的位置，此时对帐篷支杆8 向下施力亦无法收合，实现锁扣定位帐篷展开的状态，如图5所示。
当然，此锁钮复位弹簧5亦无需设置，直接利用手动扳动锁钮4同样可以实现解锁令帐篷支杆A 自动展开的功能，待帐篷完全展开后，再将锁钮4转至锁扣状态便锁定了帐篷的展开状态。
而帐篷收合时，再扳动锁钮4相对枢接座1转动，带动锁芯3锁块32与枢接座1的枢接槽12 错开，锁芯3的让位槽31对准枢接槽12的位置，则枢接杆8的前端便具有了转动的空间，此时各下施力各帐篷支杆A，即可收合帐篷支架；同样在枢接杆 8转动的同时，其前端是伸置于让位槽31中对锁块32具有一阻挡作用，即便锁钮复位弹簧5会对锁钮4具有一回复力的作用亦无法带动锁芯3 转动，省去了持续对锁钮4的施力，待帐篷支杆A完全收合后，枢接杆8前端便会退出让位槽31，则锁芯3在锁钮复位弹簧5 回复力作用下转动至初始状态，即锁块32封扣枢接槽12的位置，此时对帐篷支杆A实现封扣作用而无法转动，实现帐篷收合防止弹开的限位功能。
综上所述，本发明通过在枢接座1中设置可以转动的锁芯3，而锁芯3上设置让位槽31与锁块32 ，在锁钮4的转动操作下，令锁芯3的锁块32错开枢接槽12或封扣枢接槽12而实现帐篷支杆A的转动与否，配合帐篷支杆A枢接处弹性件6 的弹性能作用下带动帐篷架的自动展开，而锁块32 同时对帐篷展开与收合的两种状态又具有一锁定的功能。如此不仅令帐篷架的展开与收合更加方便，而且令帐篷收合后亦具有一限位作用，防止帐篷架自行弹开而造成的安全隐患。
以上所述，仅为本发明较佳实施例而已，故不能以此限定本发明实施的范围，即依本发明申请专利范围及说明书内容所作的等效变化与修饰，皆应仍属本发明专利涵盖的范围内。

Claims (10)

1 、一种帐篷架快速展开的顶部支撑结构，其包括一枢接帐篷支杆的枢接座、一与枢接座配合的枢接座上盖，帐篷支杆通过弹性件与枢接座枢接在一起；其特征在于：还包括一在枢接座中可以转动的锁芯，锁芯的上端穿出枢接座上盖，位于枢接座中的锁芯对应各帐篷支杆形成帐篷支杆转动的让位槽，相邻让位槽之间形成防止各帐篷支杆转动的锁块。
2、如权利要求1 所述的帐篷架快速展开的顶部支撑结构，其特征在于：所述的枢接座上盖上方还配合有锁钮，此锁钮与锁芯固定在一起。
3、如权利要求2 所述的帐篷架快速展开的顶部支撑结构，其特征在于：所述锁钮与枢接座上盖之间还设有一锁钮复位弹簧。
4、如权利要求1 所述的帐篷架快速展开的顶部支撑结构，其特征在于：所述枢接座的中心形成容置锁芯的锁座，枢接座的各枢接槽与锁座贯通。
5、如权利要求4 所述的帐篷架快速展开的顶部支撑结构，其特征在于：所述枢接座的各枢接槽两侧形成凸墙，相邻枢接槽的凸墙之间便形成容置弹性件的空间，在凸墙上开设有供枢轴配合的枢孔。
6、如权利要求2或3 所述的帐篷架快速展开的顶部支撑结构，其特征在于：所述枢接座上盖是对应枢接座的盖体，其中心形成一供锁芯上端穿过的通孔，在枢接座上盖的上表面形成一弧形限位槽，而锁钮下表面上设有配合于弧形限位槽中的凸销。
7、如权利要求2或3 所述的帐篷架快速展开的顶部支撑结构，其特征在于：所述锁芯为一圆柱体，其中部形成外径与锁座内径相适配的锁杆，锁杆对应各帐篷支杆形成让位槽，相邻让位槽之间便形成各帐篷支杆的锁块，锁杆的上端形成异形缩颈而穿过枢接座上盖后与锁钮连接在一起。
8、如权利要求2或3 所述的帐篷架快速展开的顶部支撑结构，其特征在于：所述锁钮的下部形成一端盖，端盖的上部形成扳柄。
9、如权利要求8 所述的帐篷架快速展开的顶部支撑结构，其特征在于：所述扳柄的顶端或侧面设有供锁接件穿过与锁芯锁接的锁孔。
10、如权利要求1 所述的帐篷架快速展开的顶部支撑结构，其特征在于：所述各帐篷支杆通过枢接杆与枢接座枢接在一起，此枢接杆的前端形成直切面，枢接杆的后端形成帐篷支杆配合的嵌孔。
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