Seat and baby carriage
A seat includes a support base, an unlock member and a lock member. The support base has at least one through hole. The unlock member is movably disposed on the support base and has at least one first driving portion. The lock member is movably disposed on the unlock member. The lock member has at least one lock portion protruding from a surface of the support base through the at least one through hole and at least one second driving portion abutting against the at least one first driving portion. When the unlock member is forced in a first direction to move, the at least one lock portion is forced to move along the at least one first driving portion through the at least one second driving portion and retracts into the support base in a second direction different from the first direction.
1 . A baby carriage comprising:
a frame comprising a fixing base, the fixing base having an engaging hole; and
a seat comprising:
a support base having a plurality of through holes;
an unlock member movably disposed on the support base and having a plurality of first driving portions, the plurality of first driving portions being arranged in intervals along a moving direction of the unlock member; and
a lock member movably disposed on the unlock member, the lock member having a plurality of lock portions and a plurality of second driving portions, the plurality of second driving portions being located at a side of the plurality of lock portions, the plurality of lock portions and the plurality of second driving portions being arranged in intervals along the moving direction of the unlock member, the plurality of lock portions protruding from a surface of the support base through the plurality of through holes, the plurality of second driving portions abutting against the plurality of first driving portions;
wherein the support base is inserted into the fixing base and one of the plurality of lock portions engages with the engaging hole, such that the seat is fixed on the frame; when the unlock member is forced in a first direction to move, the plurality of lock portions is forced to move along the plurality of first driving portions through the plurality of second driving portions and retracts into the support base in a second direction different from the first direction, such that one of the plurality of lock portions disengages from the engaging hole.
2 . The baby carriage according to claim 1 , wherein the support base comprises a front casing and a rear casing, the front casing has the plurality of through holes, and the unlock member is movably disposed between the front casing and the rear casing.
3 . The baby carriage according to claim 2 , wherein the unlock member has an operating portion and a longitudinal groove, an accommodating space is formed between the unlock member and the rear casing, the operating portion is located at an end of the longitudinal groove and extends out of the support base along a lengthwise direction of the longitudinal groove, and the plurality of first driving portions are located in the accommodating space and arranged at at least one side of the longitudinal groove along the lengthwise direction of the longitudinal groove.
4 . The baby carriage according to claim 3 , wherein the lock member is movably disposed in the accommodating space.
5 . The baby carriage according to claim 3 , wherein the unlock member further has a plurality of restraining recesses disposed at the at least one side of the longitudinal groove and the plurality of second driving portions are restrained in the plurality of restraining recesses.
6 . The baby carriage according to claim 1 , wherein the plurality of first driving portions and the plurality of second driving portions have inclined surfaces abutting against each other.
7 . The baby carriage according to claim 1 , wherein a moving direction of the unlock member is perpendicular to a moving direction of the lock member.
8 . The baby carriage according to claim 1 , wherein the seat further comprises a plurality of return members disposed between the lock member and the support base, and positions of the plurality of return members correspond to positions of the plurality of lock portions.
9 . The baby carriage according to claim 1 , wherein the seat further comprises a seat body disposed on the support base.
10 . The baby carriage according to claim 9 , wherein the seat body comprises a backrest and a calf rest, the backrest is pivotally connected to a pivot portion of the support base, and the calf rest is pivotally connected to a lower end of the backrest.
11 . The baby carriage according to claim 10 , wherein the seat body further comprises a canopy rotatably connected to a middle portion of the backrest, such that the pivot portion is located between the canopy and the calf rest.
12 . The baby carriage according to claim 10 , wherein the seat body further comprises a handrail pivotally connected to the calf rest.
13 . The baby carriage according to claim 12 , wherein the pivot portion comprises a first pivot portion and a second pivot portion, the first pivot portion is pivotally connected to the backrest, the second pivot portion is pivotally connected to the handrail, the unlock member further has a slot, the second pivot portion has an insertion portion, the insertion portion passes through the slot, and the first pivot portion is pivotally connected to the insertion portion, such that the first pivot portion and the second pivot portion rotate with respect to each other.
14 . A seat comprising:
a support base having a plurality of through holes;
an unlock member movably disposed on the support base and having a plurality of first driving portions, the plurality of first driving portions being arranged in intervals along a moving direction of the unlock member; and
a lock member movably disposed on the unlock member, the lock member having a plurality of lock portions and a plurality of second driving portions, the plurality of second driving portions being located at a side of the plurality of lock portions, the plurality of lock portions and the plurality of second driving portions being arranged in intervals along the moving direction of the unlock member, the plurality of lock portions protruding from a surface of the support base through the plurality of through holes, the plurality of second driving portions abutting against the plurality of first driving portions;
wherein, when the unlock member is forced in a first direction to move, the plurality of lock portions is forced to move along the plurality of first driving portions through the plurality of second driving portions and retracts into the support base in a second direction different from the first direction.
15 . The seat according to claim 14 , wherein the support base comprises a front casing and a rear casing, the front casing has the plurality of through holes, and the unlock member is movably disposed between the front casing and the rear casing.
16 . The seat according to claim 15 , wherein the unlock member has an operating portion and a longitudinal groove, an accommodating space is formed between the unlock member and the rear casing, the operating portion is located at an end of the longitudinal groove and extends out of the support base along a lengthwise direction of the longitudinal groove, and the plurality of first driving portions are located in the accommodating space and arranged at at least one side of the longitudinal groove along the lengthwise direction of the longitudinal groove.
17 . The seat according to claim 16 , wherein the lock member is movably disposed in the accommodating space.
18 . The seat according to claim 16 , wherein the unlock member further has a plurality of restraining recesses disposed at the at least one side of the longitudinal groove and the plurality of second driving portions are restrained in the plurality of restraining recesses.
19 . The seat according to claim 14 , wherein the plurality of first driving portions and the plurality of second driving portions have inclined surfaces abutting against each other.
20 . The seat according to claim 14 , wherein a moving direction of the unlock member is perpendicular to a moving direction of the lock member.
21 . The seat according to claim 14 , further comprising a plurality of return members disposed between the lock member and the support base, positions of the plurality of return members corresponding to positions of the plurality of lock portions.
22 . The seat according to claim 14 , further comprising a seat body disposed on the support base.
23 . The seat according to claim 22 , wherein the seat body comprises a backrest and a calf rest, the backrest is pivotally connected to a pivot portion of the support base, and the calf rest is pivotally connected to a lower end of the backrest.
24 . The seat according to claim 23 , wherein the seat body further comprises a canopy rotatably connected to a middle portion of the backrest, such that the pivot portion is located between the canopy and the calf rest.
25 . The seat according to claim 23 , wherein the seat body further comprises a handrail pivotally connected to the calf rest.
26 . The seat according to claim 25 , wherein the pivot portion comprises a first pivot portion and a second pivot portion, the first pivot portion is pivotally connected to the backrest, the second pivot portion is pivotally connected to the handrail, the unlock member further has a slot, the second pivot portion has an insertion portion, the insertion portion passes through the slot, and the first pivot portion is pivotally connected to the insertion portion, such that the first pivot portion and the second pivot portion rotate with respect to each other.