CN201287756Y - Baby carriage and seat combination mechanism for baby carriage - Google Patents

Abstract

The utility model discloses a baby stroller and a seat combination mechanism for the baby stroller. The seat combination mechanism comprises a positioning element arranged on a seat frame and a seat support member arranged on a vehicle body frame. The positioning element is detachably mounted on the seat support member. The seat support member comprises a positioning element slot matched with the positioning element and a positioning groove located on one side of the positioning element slot. The positioning element comprises a positioning pin, which can be elastically moved between a locking position and a releasing position. When the positioning element is placed in the positioning element slot of the seat support member and the seat frame is mounted on the vehicle body frame, the positioning pin is inserted into the positioning groove.

Description

Baby carriage and seat combination mechanism for baby carriage

technical field

The utility model relates to a seat combination mechanism, in particular to a seat combination mechanism for a baby carriage.

Background technique

As shown in Figure 1, the existing stroller 1 includes a car body frame 40, a plurality of rollers 41 are arranged under the car body frame 40, and a seat combination is respectively provided at the opposite positions on the car body frame 40. Mechanism 60A, a seat frame 50 is connected with the vehicle body frame 40 in a detachable manner, and the inclination angle of the seat frame 50 can be adjusted through the above-mentioned seat combination mechanism 60A, and the seat frame 50 can also be adjusted according to the needs of the user. It is connected to the vehicle body frame 40 by switching the front and rear directions. However, in the baby stroller of the above-mentioned existing structure, the seat coupling mechanism 60A has no resetting device and a limit device, so when the inclination angle of the seat frame 50 is adjusted too large, it is easy to cause the adjustment to exceed the prescribed position and make the baby sit on the seat. The baby in the car is in danger, and after the seat frame 50 breaks away from the car body frame 40 at its inclination angle, the seat coupling mechanism 60A will not automatically return to the original position, so that the seat frame 50 will be connected to the car body frame again. Problem can occur when 40, or must connect vehicle body frame 40 with the inclination mode of background, very inconvenient in operation.

Utility model content

The purpose of the utility model is to provide a stroller and a seat combination mechanism for the stroller to solve the above problems.

The purpose of this utility model is achieved by providing a seat combination mechanism of a stroller, including a positioning element arranged on a seat frame and a seat support member arranged on a car body frame, the positioning The element is detachably installed on the seat support, wherein: the seat support includes a positioning element groove matched with the positioning element and a positioning groove located on one side of the positioning element groove; The positioning element includes a positioning pin, and the positioning pin can elastically move between a locking position and an unlocking position. When the positioning element is placed in the positioning element groove of the seat support base, the seat When the frame is installed on the vehicle body frame, the positioning pin is inserted into the positioning groove.

The utility model further provides a stroller, which includes a body frame and a seat frame detachably combined with the body frame, wherein: the seat frame includes a positioning element, and the positioning element includes an elastic A positioning pin that moves between a locked position and an unlocked position; the vehicle body frame includes a seat support, and the seat support has a positioning element groove for the positioning element of the seat frame to be installed and a positioning groove located on one side of the positioning element groove; when the seat frame is combined with the vehicle body frame, the positioning element of the seat frame is installed on the vehicle body frame and the positioning pin engages with the positioning groove for fixing the seat frame on the vehicle body frame.

The utility model has the advantage that no matter what tilting position the seat frame on the stroller is currently in, after it breaks away from the seat support seat, the seat support seat can return to the original horizontal state, so that the seat frame is about to be tilted again. When installed on the seat support seat, it can still be inserted into the seat support seat in a vertical state. In addition, the utility model can also use the seat angle adjustment mechanism mentioned in the above embodiment to prevent the seat frame from being adjusted too much. It is used to avoid the situation that children appear on the seat with their heads down.

Description of drawings

Fig. 1 is the schematic diagram of the three-dimensional structure of the stroller described in the prior art;

Fig. 2 is a three-dimensional structural schematic diagram of the baby carriage described in the utility model;

Fig. 3A is an exploded perspective view of the seat combination mechanism for the right side of the stroller described in the present invention;

Fig. 3B is an exploded perspective view of the seat combination mechanism for the left side of the stroller described in the present invention;

Fig. 4 is a combined stereoscopic diagram of the seat combination mechanism for the left side of the stroller described in the utility model;

Fig. 5A is a combined cross-sectional schematic diagram of the seat combining mechanism when the seat frame on the right side of the stroller is combined with the car body frame in the utility model;

Fig. 5B is an action diagram in which after the button in Fig. 5A is pressed down, the first positioning rod is driven to move out of the positioning groove, and the position-limiting protrusion corresponds to the position of the position-limiting bump;

Fig. 6A is a combined cross-sectional schematic diagram of the seat combining mechanism when the seat frame on the left side of the stroller is combined with the car body frame in the utility model;

Fig. 6B is an action diagram in which after the button in Fig. 6A is pressed down, the first positioning rod is driven to move out of the positioning groove, but the limit protrusion cannot block the left button;

7A is a schematic diagram of the relative position between the seat frame and the positioning groove on the pivot seat of the seat combination mechanism for the right side of the baby carriage described in the present invention when the baby carriage is lying down.

Fig. 7B is the seat combination mechanism for the right side of the stroller described in the utility model, when the seat frame of the stroller is in the first forward inclined position, the relationship between the seat support seat and the positioning groove on the pivot seat A schematic diagram of the relative position between them;

Fig. 7C is the seat combination mechanism for the right side of the stroller described in the utility model, when the seat frame of the stroller is in the second forward inclined position, the relationship between the seat support seat and the positioning groove on the pivot seat A schematic diagram of the relative position between them;

Fig. 8A is a schematic diagram of the seat frame in a horizontal position when the seat frame is in the forward position in the stroller applying the seat combination mechanism described in the present invention;

Fig. 8B is a schematic diagram of adjusting the first inclination angle when the seat frame is in the forward position in the stroller applying the seat combination mechanism described in the present invention;

Fig. 8C is a schematic diagram of adjusting the second inclination angle when the seat frame is in the forward position in the stroller applying the seat combination mechanism described in the present invention;

Fig. 8D is a schematic diagram of the seat frame placed horizontally when the seat frame is in the backward position in the baby carriage applying the seat combination mechanism described in the present invention;

Fig. 8E is a schematic diagram of adjusting the first inclination angle when the seat frame is in the backward position in the stroller applying the seat combination mechanism described in the present invention;

Fig. 8F is a schematic diagram of adjusting the second inclination angle when the seat frame is in the backward position in the stroller applying the seat combination mechanism described in the present invention;

Fig. 9 is a schematic diagram of a seat frame placed horizontally in a stroller applying the seat combination mechanism described in the present invention and inserted vertically downward into the seat support seat;

Fig. 10 is a schematic diagram of an embodiment of the seat combination mechanism described in the present invention, the positioning element of which can be combined with the baby sleeping box to cooperate with the pivotal seat and the swivel seat of the stroller;

Fig. 11 is an exploded perspective view of the seat combination mechanism of another embodiment of the present invention;

Fig. 12 is a three-dimensional schematic diagram of the positioning element and the seat support in Fig. 11;

Fig. 13 is a schematic cross-sectional view of positioning pins inserted into positioning grooves when the seat frame in Fig. 12 is combined with the vehicle body frame;

Fig. 14 is a schematic cross-sectional view of the positioning pin in Fig. 13 leaving the positioning groove;

Fig. 15 is a side view of the seat combination mechanism in Fig. 11;

Fig. 16 is a three-dimensional schematic diagram of the seat frame of Fig. 11;

FIG. 17 is a schematic diagram of the tooth-shaped engaging part of FIG. 15 leaving the tooth-shaped engaging groove.

Description of main component symbols

1 stroller

10. 128 Pivot seat

11 The first connecting surface

12 Positioning protrusion

13, 136 Positioning groove

14 Protruding parts

15 inclined opening

16 Limit bump

19, 108 Seat support

20, 130 Seat support seat

21 Second connecting surface

22, 138 Positioning element slot

23, 126 Groove

24 Limiting parts

25 Compression spring

30, 104 Positioning element

31 Hollow fixed sleeve

310 Guide groove

311 The first positioning hole

312 Second positioning hole

313 Partition

314 Second Installation Department

315 First Installation Department

32 inner plug

321 screw hole

33 Seat connection part

34 spring

35 Positioning sleeve

370, 123 First slope

36 The first positioning rod

37, 112 button

350, 125 Second slope

371 Limit protrusion

38 Second positioning rod

40, 106 Body frame

41 Roller

50, 102 Seat frame

60, 60A, 100 Seat combination mechanism

70 Sleeping Box

109 Locating pin

110 Outer cover

114 The first elastic member

116 Position slider

118 Second elastic piece

120 inner cover

122 Positioning hole

124, 372 The first guide groove

132, 373 Second guide groove

134 Tooth-shaped engaging parts

135 Camshaft

140 Tooth type engaging groove

142 Braking mechanism

143 Operating parts

144 Linked line

146 First contact surface

148 Second contact surface

Detailed ways

The seat combination mechanism of the baby carriage of the present invention will be further described below in conjunction with the accompanying drawings.

As shown in Figure 2, the stroller 1 described in the utility model includes a car body frame 40 and a seat frame 50, and the seat frame 50 passes through the seat combination mechanism 60 and the car body frame 40 provided on the car body frame 40. Connect, described car body framework 40 front parts are provided with car body front foot, and rear part is provided with car body rear foot, and roller 41 is all installed on car body front foot and car body rear foot. The seat combination mechanism 60 is arranged on the left and right sides of the stroller 1. FIG. 3A and FIG. The seat support 19 on the body frame 40, the seat support 19 includes a pivotal seat 10 and a seat support 20 pivotally connected thereto, and a positioning element 30 provided on the seat frame 50, wherein The front handlebars of the vehicle body frame 40 are pivotally connected to each other through the pivot joint seat 10, and the front ends of the handlebars are pivotally connected to the rear legs. The seat frame 50 realizes the combination or separation with the vehicle body frame 40 through the positioning element 30 provided thereon, and the seat frame 50 can adjust its inclination angle when it is in the forward or rearward position, and, regardless of its inclination angle How, when it needs to be combined with the vehicle body frame 40 again after separation, it can still be combined by inserting in a horizontal state.

Below, the seat combination mechanism 60 located on the right side of the stroller 1 described in the present invention will be described in detail. The seat combination mechanism located on the left side of the stroller 1, except that the button structure on the right side is different, the rest of the components structure are the same.

As shown in FIG. 3A, the seat combination mechanism 60 specifically includes a positioning element 30, a pivot seat 10 and a seat support seat 20 pivotally matched with the pivot seat 10, and the positioning element 30 is installed on the seat support seat. 20 in the positioning element groove 22.

The positioning element 30 includes a hollow fixing sleeve 31 and a seat connecting portion 33 and a button 37 matched therewith.

The hollow fixing sleeve 31 is provided with a partition 313 inside, and the partition 313 divides the fixing sleeve 31 into a first mounting portion 315 and a second mounting portion 314 which are independent of each other. The seat connection portion 33 combined with the seat frame 50 is installed in the second installation portion 314 .

On the outer wall of the first mounting portion 315 , a through guide groove 310 is provided along the axial direction, and a first positioning hole 311 and a second positioning hole 312 are opened on the inner wall thereof. The lower end of the second mounting portion 314 is inserted into an inner plug 32 , and the screw hole 321 provided on the inner plug 32 is linearly corresponding to the second positioning hole 312 after it is fully inserted.

The button 37 is installed in the first installation part 315 of the hollow fixed sleeve 31 along the guide groove 310, and the button 37 is provided with an oblong first guide groove 372 and a second guide groove 373 in sequence from top to bottom, and The first guiding groove 372 corresponds to the first positioning hole 311 , and the second guiding groove 373 corresponds to the second positioning hole 312 . The upper end sidewall of the first guide groove 372 forms a first slope 370 (as shown in FIG. 5B ), and the outer side of the upper end of the right button 37 is provided with a limiting protrusion 371 extending downward. The left button 37 does not have a limiting protrusion 371 (as shown in FIG. 3B ). When the button 37 is inserted into the first mounting portion 315 of the hollow fixed sleeve 31, the second positioning rod 38 is inserted into the second guide groove 373, and the second positioning rod 38 penetrates the second guide groove 373 on the button 37 and extends through the second guide groove 373. Two positioning holes 312 allow the second positioning rod 38 to be fixed to the screw hole 321 of the inner plug 32 to prevent the button 37 from detaching from the hollow fixing sleeve 31 . Before the button 37 is installed on the hollow fixing sleeve 31, one end of a hollow positioning sleeve 35 is inserted into the first positioning hole 311 in sequence. The positioning sleeve 35 is provided with a spring 34 outside and a first positioning rod 36 inside. The length of a positioning rod 36 is greater than the axial length of the positioning sleeve 35 so that one end protrudes from the end of the positioning sleeve 35 with the second slope 350, and the other end of the first positioning rod 36 is fixed with the positioning sleeve 35, and the second slope 350 In the first guide groove 372 of the button 37 , it cooperates with and abuts against the first inclined surface 370 , so that the positioning sleeve 35 and the first positioning rod 36 inside are limited to a locked position. The oblong first guide groove 372 and the second guide groove 373 provided on the button 37 allow the button 37 to move longitudinally along the guide groove 310, so that when the button 37 is pressed, its first inclined surface 370 is laterally pressed and positioned The second slope 350 at the end of the sleeve 35 makes the positioning sleeve 35 compress the spring 34 and move to the inside of the second installation part 314 to a release position, and because the first positioning rod 36 is fixedly connected with the positioning sleeve 35, the first positioning The rod 36 also moves to a position inside the second mounting portion 314 .

The pivot seat 10 has a first connection surface 11, in this embodiment, the first connection surface 11 is circular, the upper end of the first connection surface 11 is provided with a positioning protrusion 12, and the positioning protrusion 12 is provided with There are a plurality of positioning grooves 13. In this embodiment, the number of positioning grooves 13 is 5, and the center of the pivot seat 10 is used as the center to make a circular arc distribution, wherein the positioning groove 13 located in the middle The positioning protruding portion 12 is formed with an inclined plane opening 15 ; a limiting protrusion 16 is provided at an appropriate position on the first connecting surface 11 adjacent to the positioning protruding portion 12 ; and a protruding piece 14 is provided at the lower end of the first connecting surface 11 .

The seat support base 20 has a second connection surface 21, the second connection surface 21 corresponds to the first connection surface 11 of the above-mentioned pivot seat 10, and is also circular, and the second connection surface 21 is the same as the first connection surface. 11 pivotally installed; one side opposite to the second connection surface 21 is provided with a positioning element groove 22 for inserting the positioning element 30, the positioning element groove 22 penetrates to the second connection surface 21, and two A limit piece 24, two limit pieces 24 are arranged on the left and right ends of the second connection surface 21 respectively; The second connection surface 21 is also provided with a groove 23, and the two ends of the groove 23 respectively extend to the two limit Position member 24; two compression springs 25 are arranged in the groove 23. When the seat support seat 20 is pivotally connected with the pivot seat 10, the two ends of the two compression springs 25 respectively abut against the position limiting member 24 and the protruding piece 14.

Cooperate with Fig. 3A at the same time, as shown in Fig. 5A and Fig. 9, when the seat frame 50 is placed horizontally and inserted vertically downward into the positioning element groove 22 of the seat support base 20, the first positioning rod 36 will be along the opening 15 of the inclined plane. Guided into the positioning groove 13 in the middle, and then under the elastic force of the spring 34, the positioning sleeve 35 moves away from the second mounting part 314, so that the front end of the first positioning rod 36 passing through the first guide groove 372 extends into the middle In the positioning groove 13, at this moment, the pivot seat 10 and the seat support seat 20 are relatively fixed, and no relative rotation takes place. When the button 37 is pressed downward, the first slope 370 pushes the second slope 350, so that the first positioning rod 36 is separated from the positioning groove 13 in the middle, and the spring 34 is compressed to store elastic force (as shown in FIG. 5B ) At this time, the seat support base 20 can be rotated relative to the pivot joint base 10. In the natural state of releasing the button 37, when the angle of the next positioning groove 13 is to be rotated, the elastic force released by the spring 34 acts on the The positioning sleeve 35 causes the first positioning rod 36 to pop out and be inserted into another positioning groove 13, so that the pivot base 10 and the seat support base 20 are fixed again and cannot rotate.

The seat structure of the utility model provides that the seat can be changed to be placed forward or backward, and no matter whether the seat is facing forward or backward, it has a safety design that prevents children from appearing head-down on the seat. As shown in Fig. 5A, Fig. 5B and Fig. 7A, when the seat frame is placed and positioned towards the front of the baby carriage, if the right button 37 is pressed, the limiting protrusion 371 will be subjected to the limiting protrusion 16 (see Fig. 5B ). Figure) resists and cannot rotate backwards, thus avoiding the situation that the child's head and feet are on the ground, but because the left button does not have a limit protrusion (see Figure 6A and Figure 6B), it can be rotated forward to adjust the seat angle (see FIG. 7B ), when the seat rotates to the limit, the edge of the positioning protrusion 12 and the limit member 24 abut against each other (see FIG. 7C ), so as to avoid over-adjustment. Similarly, when the direction of the seat frame is changed towards the rear of the baby carriage, if the right button 37 is pressed, the limiting protrusion 371 will also be resisted by the limiting protrusion 16 of the left pivot seat 10 and cannot move forward to the front of the baby carriage. Rotate to avoid the situation that the child's head is under the feet, but it can be rotated to the rear of the stroller to adjust the seat angle; when the seat is rotated to the limit, the edge of the positioning protrusion 12 and the limiter 24 will also abut against each other , to avoid over-adjustment.

FIG. 7A , FIG. 7B , and FIG. 7C show schematic views of the relative positions between the pivotal seat 10 and the groove 23 when the seat frame 50 is at different inclination angles forward. As shown in Figure 7A, at this time, the seat frame 50 is in a horizontal position, and the first positioning rod 36 is inserted into one of the middle of a plurality of positioning grooves 13, and the groove 23 is divided into two parts by the protrusion 14, and each part There are stage clips 25 in each, and the two stage clips 25 are in the same compressed state.

In FIG. 7B , the seat frame 50 is in the first inclined position. At this time, the first positioning rod 36 is inserted into the first one of the plurality of positioning grooves 13 to the left of the center, and the groove 23 is divided into two parts by the protrusion 14. All have stage clip 25 in each part, but the compression state of these two stage clips 25 is different, and the stage clip 25 of left side is more compressed than the stage clip 25 of right side.

In FIG. 7C , the seat frame 50 is in the second inclined position. At this time, the first positioning rod 36 is inserted into the second of the plurality of positioning grooves 13 to the left of the center, and the groove 23 is divided into two parts by the protrusion 14. All have stage clip 25 in each part, but the compression state that these two stage clips 25 are in is different, and the stage clip 25 on the left side is more compressed than the stage clip 25 on the right, with respect to Fig. 7B, the pressure spring on the left side The degree of compression of the spring 25 is further increased.

When the seat frame is adjusted to different inclination angles, it is only necessary to place the first positioning rod 36 in the corresponding positioning groove 13 . The specific process is that when the button 37 is pressed, the positioning sleeve 35 compresses the spring 34 and moves toward the inside of the second mounting part 314, and the first positioning rod 36 fixedly connected therewith also moves toward the inside of the second mounting part 314, and then the first positioning rod 36 moves toward the inside of the second mounting part 314. The end of a positioning rod 36 breaks away from the positioning groove 13, and at this moment, the seat frame 50 can rotate freely. Turn the seat frame 50 to a suitable tilt position, and release the button 37, then the positioning sleeve 35 will move away from the second mounting part 314 under the force of the spring 34, and the first positioning rod 36 fixedly connected therewith will also move thereupon. Move away from the second mounting portion 314 and re-insert into the corresponding positioning groove 13 to realize the adjustment of the inclination angle of the seat frame 50 .

Fig. 8A, Fig. 8B, Fig. 8C have respectively shown the schematic diagram when the seat frame 50 is in the forward position, when it is in the horizontal, first and second inclination angle positions, while Fig. 8D, Fig. 8E, Fig. 8F respectively show A schematic diagram of when the seat frame 50 is in the rearward position, when it is in the horizontal position, the first and the second tilt angle position is shown. When the seat frame 50 is in the forward or rearward maximum reclining position, the edge of the positioning protrusion 12 will abut against the stopper 24, thus preventing the seat frame 50 from excessive inclination when the reclining position is adjusted. , resulting in danger.

In the present utility model, no matter which tilting position the seat frame 50 is currently in, after it breaks away from the seat frame support seat 20, the seat support seat 20 all returns to the state when the original seat frame 50 is horizontal, so that the seat frame 50 When installing again, it can still be inserted into the seat support base 20 in a vertical state. In the above adjustment process, when the seat frame 50 is separated from the seat support seat 20, the first positioning rod 36 is also separated from the positioning groove 13 at the same time. 10 will return to the state when the original seat frame 50 is horizontal, like this, still can insert with vertical state when just guaranteeing that seat frame 50 is inserted again.

In addition to the combination mechanism of the present utility model being applicable to baby carriage seats, as shown in Figure 10, the seat frame can also be a baby sleeping box 70; The positioning element 30 is set, and the upper end operation part of the button 37 protrudes from the upper part of the baby sleeping box 70, which is convenient for operation, and the button 37 on the right side and the left side also has the difference from the aforementioned structure, so as to provide the same protection as the aforementioned baby sleeping box. Head and foot, and the problem of over-adjustment.

Next, please refer to FIG. 11 . FIG. 11 is an exploded perspective view of a seat combination mechanism 100 according to another embodiment of the present invention. The left and right sides of the stroller 1 are provided with a seat combination mechanism 100. The seat combination mechanism 100 located on the right side of the stroller 1 will be described in detail below. As for the seat combination mechanism located on the left side of the stroller 1 , since the structures of the components are the same, so they will not be repeated here. The seat combination mechanism 100 includes a positioning element 104 disposed on a seat frame 102 , and a seat support 108 disposed on a vehicle body frame 106 . The positioning element 104 is detachably combined with the seat support 108 to detachably install the seat frame 102 on the vehicle body frame 106 . The positioning element 104 includes a positioning pin 109 , an outer cover 110 , a button 112 , a first elastic member 114 , a positioning slider 116 , a second elastic member 118 , and an inner cover 120 . The outer cover 110 has a positioning hole 122 , and the button 112 has a first guiding groove 124 corresponding to the positioning hole 122 , and a first slope 123 is formed in the first guiding groove 124 . One end of the positioning pin 109 has a second slope 125 , and one end of the positioning pin 109 sequentially passes through the first guide groove 124 and the positioning hole 122 to protrude out of the positioning element 104 (as shown in FIG. 12 ). The first elastic member 114 is arranged in a groove 126 on one side of the seat frame 102, the other end of the positioning pin 109 is sleeved on the first elastic member 114, and the outer cover 110 is fixed on the seat frame 102, so that the button 112, the positioning pin 109 and the first elastic member 114 are arranged on one side of the seat frame 102, and at the same time, the second inclined surface 125 on the positioning pin 109 is pushed away from the first guide due to being pushed by the elastic force of the first elastic member 114. The first inclined surfaces 123 in the groove 124 abut and cooperate with each other, and the positioning pin 109 can elastically move in the first guiding groove 124 and the positioning hole 122 through the first elastic member 114 . The positioning slider 116 has a second guide slot 132 and a tooth-shaped engaging member 134 , the inner cover 120 has a protruding shaft 135 , and the protruding shaft 135 passes through the second guide slot 132 . The second elastic member 118 is disposed in the second guide groove 132 and abuts against the positioning slider 116 and the protruding shaft 135 for enabling the positioning slider 116 to slide relative to the seat frame 102 and the inner cover 120 . The above-mentioned outer cover 110 installs the positioning pin 109, the button 112, and the first elastic member 114 on one side of the seat frame 102 in a screw-locked manner, and the above-mentioned inner cover 120 is also screw-locked. The positioning slider 116 and the second elastic member 118 are installed on the other side of the seat frame 102, that is to say, the outer cover 110 and the inner cover 120 are screwed to install the positioning element 104 on the seat frame 102 on (as shown in Figure 12). The seat support 108 includes a pivotal seat 128 and a seat supporter 130 connected to one side of the pivotal seat 128, the side of the pivotal seat 128 has a positioning groove 136 (as shown in Figure 12 ), the seat The chair support base 130 has a positioning element groove 138 for the positioning element 104 to be installed. In this embodiment, the positioning element groove 138 has two opposite side walls, and this side of a part of the pivot base 128 forms one side of the positioning element groove 138. wall so that the positioning groove 136 is located on the side wall.

The operation process of the positioning element 104 will be described in detail below. Please refer to Fig. 11, Fig. 12, and Fig. 13 at the same time. Fig. 12 is a three-dimensional schematic diagram of the positioning element 104 and the seat support member 108 in Fig. 11, and Fig. 13 is a positioning pin when the seat frame 102 in Fig. 12 is combined with the vehicle body frame 106 109 is a schematic cross-sectional view of inserting into the positioning groove 136 . When the positioning element 104 on the seat frame 102 is inserted into the positioning element groove 138 on the seat support base 130 along the arrow shown in Figure 12, the positioning pin 109 protruding from the outside of the positioning element 104 will be pivoted. The extrusion of the side wall of the socket 128 shrinks in the positioning hole 122 in the direction of the -X axis (the first elastic member 114 is in a compressed state at this time), and when the positioning hole 122 is aligned with the positioning groove 136, the positioning pin 109 is It will pop out again due to the restoring elastic force of the first elastic member 114 and be inserted into the positioning groove 136 (as shown in FIG. 13 ), and because the components in the seat combination mechanism 100 on the left side of the stroller 1 are also actuated as described above Therefore, the seat frame 102 can be installed on the vehicle body frame 106 by utilizing the seat coupling mechanisms 100 respectively disposed on the left and right sides of the stroller 1 . Conversely, if the positioning element 104 of the seat frame 102 is to be released from the positioning element groove 138 on the seat support base 130, a force must be applied to the button 112 in the direction of the -Y axis. At this moment, the first button 112 of the button 112 The slope 123 will move in the direction of the -Y axis and at the same time push the second slope 125 of the positioning pin 109 to move in the direction of the -X axis, so that the positioning pin 109 will shrink in the positioning hole 122 in the direction of the -X axis again, and wait until the positioning When pin 109 breaks away from positioning groove 136 completely (as shown in Figure 14), the positioning element 104 of seat frame 102 can be disengaged from the positioning element groove 138 of seat support base 130, and because the seat on the left side of stroller 1 The action process of the elements in the chair coupling mechanism 100 is also as above, so the seat frame 102 can be released from the body frame 106 by using the seat coupling mechanisms 100 respectively arranged on the left and right sides of the stroller 1 .

Next, the adjustment of the inclination angle of the seat frame will be described in detail. Please refer to Fig. 15, Fig. 15 is a side view of the seat combination mechanism 100 in Fig. 11, as can be seen from Fig. With respect to the tooth-shaped engaging groove 140 of the tooth-shaped engaging member 134, the tooth-shaped engaging member 134 of the positioning slider 116 is used to insert into the corresponding tooth-shaped engaging groove 140, so that the seat frame 102 The tooth-shaped engaging member 134 is positioned at a corresponding inclined position through engagement with the tooth-shaped engaging groove 140 . In addition, the seat frame 102 includes a braking mechanism 142 (as shown in FIG. 16 ) for driving the positioning slider 116. The braking mechanism 142 has an operating member 143 and a connecting line 144 located at the far end. The moving wire 144 is arranged in the pipe fitting of the seat frame 102, and is used to connect the positioning slider 116 and the operating member 143, that is to say, when the inclination angle of the seat frame 102 is to be adjusted, the operating member 143 must be pressed to pull the connecting member. The moving line 144 is used to make the moving line 144 drive the positioning slider 116 to move away from the tooth-shaped engaging groove 140, so that the tooth-shaped engaging part 134 of the positioning slider 116 can be separated from the seat frame 102 When the tooth-shaped engaging groove 140 of the positioning slider 116 completely leaves the tooth-shaped engaging groove 140 on the seat frame 102 (as shown in FIG. 17 ), the positioning pin 109 is Can slide along the positioning groove 136, so that the seat frame 102 can be rotated relative to the vehicle body frame 106 to start adjusting the inclination angle of the seat frame 102, for example, the seat frame 102 can be rotated relative to the vehicle body The frame 106 rotates counterclockwise, so that the corresponding relationship between the tooth-shaped engaging member 134 and the tooth-shaped engaging groove 140 is changed from the position shown in FIG. 15 to a position offset by one tooth-shaped engaging groove in the counterclockwise direction , and then let go of the operating member 143. At this time, the tooth-shaped engaging member 134 is pushed by the restoring elastic force of the second elastic member 118 and inserted back into the tooth-shaped engaging groove 140, so that the seat frame 102 is positioned at the adjusted inclination angle through the engagement of the tooth-shaped engaging part 134 and the tooth-shaped engaging groove 140, and so on. It can be seen from FIG. 17 that in this embodiment, there are three types of seat frames 102 The inclination angle can be adjusted, and the number of the tooth-shaped engaging parts 134 and the tooth-shaped engaging grooves 140 can be determined according to the design requirements, and is not limited to the above-mentioned embodiments. If you want to design more stages of inclination angles, you can set More tooth-shaped engaging parts 134 and tooth-shaped engaging grooves 140, and in order to avoid the adjustment angle of the seat frame 102 is too large, as shown in Figure 12, the positioning element groove 138 has a first contact surface 146, seat This side of the chair frame 102 has a second contact surface 148, and the second contact surface 148 is used to butt against the first contact surface 146 when the positioning element 104 rotates a certain angle relative to the positioning element groove 138, so that the positioning element 104 cannot Continue to rotate relative to the element positioning groove 138, for limiting the rotation angle of the positioning element 104 in the positioning element groove 138, and then prevent the situation that the seat frame 102 adjusts the angle too large. In addition, the positioning element groove 138 is relative to the first The other side of the contact surface 146 and the corresponding position on the seat frame can also be provided with the same angle limiting mechanism as above, which is used to limit the rotation angle of the positioning element 104 in the positioning element groove 138 in the other direction.

It is worth mentioning that the installation method in which the seat frame in the above-mentioned embodiment can be transformed into a forward or backward arrangement can also be applied in this embodiment, that is, the seat frame 102 can be as shown in FIG. same) or the installation direction shown in FIG. 8D (opposite to the traveling direction of the stroller) and installed on the car body frame. In addition, the seat combination mechanism 100 can also be applied to the baby sleeping box in addition to being applied to the seat of the stroller. (As shown in FIG. 10 ) or a car seat, etc., that is to say, the above-mentioned devices can be combined with the baby carriage through the seat combining mechanism 100 .

Compared with the prior art, no matter what tilting position the seat frame on the baby carriage of the utility model is currently in, after it is separated from the seat support seat, the seat support seat can return to the original horizontal state, so that the seat frame When it is intended to be installed on the seat support seat again, it can still be inserted into the seat support seat in a vertical state. In addition, the utility model can also use the seat angle adjustment mechanism mentioned in the above embodiment to prevent the seat frame from adjusting the angle too much. Large, used to prevent children from appearing head-down on the seat.

Although the embodiment of the utility model has been disclosed as above, it is not limited to the use listed in the specification and implementation, it can be applied to various fields suitable for the utility model, for those familiar with the art , further modifications can be readily effected, so the invention is not limited to the specific details and examples shown and described herein without departing from the general concept defined by the scope of claims and equivalents.

Claims (22)

1. the seat combining mechanism of a perambulator, a seat strut member that comprises a setting element that is arranged at a seat frame and be arranged at a vehicle body frame, described setting element can be installed on this seat strut member with moving apart, it is characterized in that: described seat strut member comprises a setting element groove that matches with described setting element and is positioned at a location groove of this setting element groove one side; Described setting element comprises a locating dowel pin, described locating dowel pin can flexibly move between a latched position and a unlocking position, when this setting element placed this setting element groove of described seat strut member and this seat frame is installed in this vehicle body frame, described locating dowel pin inserted in this detent.

2. seat combining mechanism as claimed in claim 1, it is characterized in that, this seat strut member comprise a pivot connecting seat and with this pivot connecting seat bonded assembly one supporting base of seat, this detent is arranged on this pivot connecting seat, this setting element groove is arranged on this supporting base of seat.

3. seat combining mechanism as claimed in claim 2, it is characterized in that, described pivot connecting seat is provided with one first joint face and is positioned at a plurality of described detent on this first joint face, this supporting base of seat has a pair of second joint face that should first joint face, this first joint face and this second joint face are articulated so that this supporting base of seat can be with respect to this pivot connecting seat rotation, described locating dowel pin selectively inserts in one of them described detent, to fix the relative position of this supporting base of seat and this pivot connecting seat.

4. seat combining mechanism as claimed in claim 3 is characterized in that, described a plurality of detents are to arrange along circular arc.

5. seat combining mechanism as claimed in claim 1, it is characterized in that, described setting element comprises a button that is arranged at slidably on this seat frame, this button has one first guide groove and wears for this locating dowel pin, this first guide groove has one first inclined-plane, and this locating dowel pin has second inclined-plane that matches with this first inclined-plane.

6. seat combining mechanism as claimed in claim 5 is characterized in that, described setting element comprises a hollow fixed cover, has one first knock hole; Described locating dowel pin comprises one first radius stay and a locating bush, and an end of this locating bush is used for inserting this first knock hole of this hollow fixed cover, and the other end has this second inclined-plane; Wherein this first radius stay is fixed in this locating bush and is used for passing this first guide groove inserting in this detent, and this first inclined-plane cooperates with this second inclined-plane when this first radius stay inserts in this detent and offsets.

7. seat combining mechanism as claimed in claim 5, it is characterized in that, described setting element comprises one first elastic component, and this locating dowel pin of socket also is arranged in this seat frame, is used for making described locating dowel pin flexibly to move between this latched position and this unlocking position.

8. seat combining mechanism as claimed in claim 6, it is characterized in that, described hollow fixed cover includes a dividing plate, this dividing plate is used for this hollow fixed cover is divided into one first installation portion and one second installation portion, this second installation portion is used for a seat connecting portion of this seat frame of socket, this first installation portion has a guide groove, this first knock hole is positioned at the inwall of this guide groove, and this button is installed in this guide groove in a movable manner and drives this locating dowel pin when moving down in this guide groove and moves toward this unlocking position.

9. seat combining mechanism as claimed in claim 8, it is characterized in that, this hollow fixed cover has one second knock hole on the inwall that is positioned at this guide groove in addition, this button has in addition to one second guide groove that should second knock hole, this setting element comprises one second radius stay that runs through this second guide groove and this second knock hole in addition, is used for this button is arranged in this hollow fixed cover movably.

10. seat combining mechanism as claimed in claim 9 is characterized in that, this setting element comprises plug in addition, has a screw that should second radius stay and is installed in this second installation portion; Wherein this second radius stay is locked in this screw.

11. as claim 1 or 5 described seat combining mechanisms, it is characterized in that the upper end of this detent has an inclined-plane opening, when this seat frame was installed in this vehicle body frame, described locating dowel pin can insert this detent along this inclined-plane opening.

12. seat combining mechanism as claimed in claim 3 is characterized in that, the described first joint face lower end has a prodger; Two locating parts that described second joint face has a groove and is positioned at these groove two ends, this seat strut member comprises two stage clips in addition, is arranged in this groove; Wherein this prodger is inserted in this groove when this first joint face and this second joint face joint, so that this two stage clip is connected to respectively between this two locating part and this prodger.

13. seat combining mechanism as claimed in claim 3, it is characterized in that, described second joint face has two locating parts, described pivot connecting seat comprises a location protrusion in addition, these a plurality of detents are arranged on this positioning salient, and this positioning salient is used for when this first joint face rotates to a special angle with respect to this second joint face and the locating part in this two locating part offsets.

14. seat combining mechanism as claimed in claim 1 is characterized in that, a side of described seat strut member has a plurality of engaging grooves; Described setting element comprises a location slide block, it is arranged on this seat frame slidably and has one second guide groove and an engagement piece, this engagement piece is used for selectively inserting in one of them engaging groove, is used to make this seat frame to be positioned corresponding obliquity; Wherein this seat frame includes a stop mechanism, is connected in this positioning sliding block, is used for driving this positioning sliding block, so that this positioning sliding block breaks away from this one of them engaging groove.

15. seat combining mechanism as claimed in claim 14, it is characterized in that, described setting element groove has one first contact surface, described seat frame has one second contact surface, and this second contact surface is used in this setting element this first contact surface of butt when relatively this setting element groove rotates to a certain tilt position.

16. seat combining mechanism as claimed in claim 14 is characterized in that, this stop mechanism includes: an interlock line, and the one end is connected in this positioning sliding block; And an operating parts, be connected in the other end of this interlock line, be used for spurring this interlock line and break away from this one of them engaging groove to drive this positioning sliding block.

17. seat combining mechanism as claimed in claim 14 is characterized in that, described setting element comprises: an inner cap, have a protruding axle, and this protruding axle is arranged in this second guide groove; One second elastic component is arranged in this second guide groove and is connected to this protruding axle and this positioning sliding block; And an enclosing cover, having a knock hole, this enclosing cover and this inner cap are installed in this setting element on this seat frame in the mode of screw closure; Wherein this locating dowel pin passes this knock hole to insert in this detent.

18. perambulator, comprise a vehicle body frame and and can move apart the seat frame that is incorporated on this vehicle body frame, it is characterized in that: this seat frame comprises a setting element, and this setting element comprises a locating dowel pin that can flexibly move between a latched position and a unlocking position; Described vehicle body frame comprises a seat strut member, and this seat strut member has a setting element groove this setting element installing for described seat frame, and is positioned at a location groove of this setting element groove one side; When described seat frame combines with described vehicle body frame, this setting element of described seat frame is installed in this setting element groove of described vehicle body frame, and this locating dowel pin engages with this detent, is used for described seat frame is fixed in described vehicle body frame.

19. perambulator as claimed in claim 18, it is characterized in that, described setting element comprises a button that is arranged at slidably on the described seat frame, this button has one first inclined-plane, this locating dowel pin has second inclined-plane that matches with this first inclined-plane, and this first inclined-plane pushes this second inclined-plane so that this locating dowel pin moves toward this unlocking position when pressing by this button.

20. perambulator as claimed in claim 19 is characterized in that, this seat strut member comprise a pivot connecting seat and with this pivot connecting seat bonded assembly one supporting base of seat, this detent is arranged on this pivot connecting seat, this setting element groove is arranged on this supporting base of seat.

21. perambulator as claimed in claim 20, it is characterized in that, this supporting base of seat and this pivot connecting seat are articulated, this seat frame can be rotated with respect to described vehicle body frame, described seat strut member has a spacing block set, this button has a spacing protrusion, and this spacing block set offsets to limit the rotation of relative this vehicle body frame of this seat frame on a specific direction with described spacing protrusion.

22. perambulator as claimed in claim 20 is characterized in that, this vehicle body frame includes a forward foot in a step, by this pivot connecting seat being articulated in a handgrip of this forward foot in a step, and the rear foot that is articulated in this handgrip.

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