Central locking mechanism for folding tent, novel central locking mechanism and folding tent
The present invention discloses a central locking mechanism for a folding tent, novel central locking mechanism and folding tent, the folding tent including a tent roof frame and a central locking mechanism disposed on the tent roof frame; the central locking mechanism includes an upper disk and a lower disk; a lock bar is cooperatively disposed on the lower disk; a lock slot is disposed at a lower part of the upper disk; an upper end of the lock bar is fastened in the lock slot to complete locking, wherein the positions of the lock bar and the lock slot are exchangeable. The present invention optimizes the structure of the central locking mechanism, may realize push-up self-locking and pull-down unlocking by means of the fastening cooperation of the lock bar and the lock slot, thus facilitating locking and unlocking operations. In addition, the lock bar and the lock slot have simple structures; especially, the upper disk and the lock slot may be integrally injection-molded, thus reducing the manufacturing cost of the product.
1 . A central locking mechanism for a folding tent, the folding tent comprising a tent roof frame and a central locking mechanism disposed on the tent roof frame; the central locking mechanism comprising:
an upper disk;
a lower disk;
a lock bar cooperatively disposed on the lower disk; and
a lock slot disposed at a lower part of the upper disk and comprising a lower edge;
wherein the lock bar comprises a bar body and a lock head that is fixedly attached to an upper end of the bar body; a lower end of the bar body is fixedly cooperated with the lower disk; the lock head comprises a guide cone head, a limit post, and a limit ring platform larger than the lower edge of the lock slot; and
wherein when the central locking mechanism is in a locking position, the guide cone head is completely fastened in the lock slot, and the limit ring platform leans against the lower edge of the lock slot.
2 . The central locking mechanism for a folding tent according to claim 1 , wherein the lock head and the bar body are of an integrated structure.
3 . The central locking mechanism for a folding tent according to claim 1 , wherein the lock head further comprises an embedded portion; the embedded portion is located at a lower part of the limit ring platform, and is fixedly cooperated with the upper end of the bar body.
4 . The central locking mechanism for a folding tent according to claim 1 , wherein the guide cone head comprises a guide cone portion, a detent portion, and an inverted cone portion; a lock slot chamber is disposed in the lock slot; the lock slot chamber sequentially comprises a cone head accommodation chamber, a lock ring opening, and an opening flaring chamber from top to bottom; an inner diameter size of the lock ring opening is less than an outer diameter size of the detent portion; and when the central locking mechanism is in a locked state, the guide cone head is located in the cone head accommodation chamber.
5 . The central locking mechanism for a folding tent according to claim 4 , wherein when the folding tent changes from a folded state to an unfolded state, the lower disk gradually gets close to the upper disk, and the guide cone head gradually move upwards from the opening flaring chamber, such that the lock ring opening deforms and extends outwards to penetrate through the detent portion, and the lock ring opening retracts and limits the inverted cone portion.
6 . The central locking mechanism for a folding tent according to claim 1 , wherein the lock slot comprises at least two locking plates; the locking plates mutually form a lock slot chamber; an elastic slot is disposed between two adjacent locking plates; and a clamping platform is disposed on an inner wall of the locking plate.
7 . The central locking mechanism for a folding tent according to claim 6 , wherein the lock ring opening is formed on a horizontal plane on which the clamping platform is located; an opening flaring portion is disposed at a lower part of the clamping platform; the elastic slot is an isosceles trapezoid; an upper end surface of the elastic slot is smaller than a lower end surface.
8 . The central locking mechanism for a folding tent according to claim 6 , wherein the number of the locking plates is three, four, five, or six.
9 . A folding tent, comprising the central locking mechanism according to claim 1 .
10 . A novel central locking mechanism for a folding tent, the folding tent comprising a tent roof frame and a central locking mechanism disposed on the tent roof frame; the central locking mechanism comprising:
an upper disk;
a lower disk;
a lock bar located in one of the upper disk and the lower disk;
a lock slot located in the other of the upper disk and the lower disk and comprising an edge,
wherein the lock bar comprises a bar body and a lock head fixedly attached to one end of the bar body; the other end of the bar body is fixedly cooperated with the one of the upper disk and the lower disk; the lock head comprises a guide cone head, a limit post, and a limit ring platform larger than the edge of the lock slot; and
wherein when the novel central locking mechanism is in a locking position, the guide cone head is completely fastened in the lock slot, and the limit ring platform leans against the edge of the lock slot.
11 . The novel central locking mechanism for a folding tent according to claim 10 , wherein the lock head and the bar body are of an integrated structure.
12 . The novel central locking mechanism for a folding tent according to claim 10 , wherein the lock head further comprises an embedded portion disposed at a part of the limit ring platform that faces away from the guide cone head the embedded portion being fixedly cooperated with the one end of the bar body.
13 . The novel central locking mechanism for a folding tent according to claim 10 , wherein the guide cone head comprises a guide cone portion, a detent portion, and an inverted cone portion; a lock slot chamber is disposed in the lock slot; the lock slot chamber sequentially comprises a cone head accommodation chamber, a lock ring opening, and an opening flaring chamber from bottom to top; an inner diameter size of the lock ring opening is less than an outer diameter size of the detent portion; and when the central locking mechanism is in a locked state, the guide cone head is located in the cone head accommodation chamber.
14 . The novel central locking mechanism for a folding tent according to claim 13 , wherein when the folding tent changes from a folded state to an unfolded state, the lower disk gradually gets close to the upper disk, and the guide cone head gradually move away from the opening flaring chamber, such that the lock ring opening deforms and extends outwards to penetrate through the detent portion, and the lock ring opening retracts and limits the inverted cone portion.
15 . The novel central locking mechanism for a folding tent according to claim 10 , wherein the lock slot comprises at least two locking plates; the locking plates mutually form a lock slot chamber; an elastic slot is disposed between two adjacent locking plates; and a clamping platform is disposed on an inner wall of the locking plate.
16 . The novel central locking mechanism for a folding tent according to claim 15 , wherein the lock ring opening is formed on a horizontal plane on which the clamping platform is located; an opening flaring portion is disposed at a lower part of the clamping platform; the elastic slot is an isosceles trapezoid; an upper end surface of the elastic slot is larger than a lower end surface.
17 . The novel central locking mechanism for a folding tent according to claim 15 , wherein the number of the locking plates is three, four, five, or six.
18 . A folding tent comprising the central locking mechanism according to claim 10 .