CN111301508A - A new type of connection mechanism between the seat and the frame of a baby carriage - Google Patents

Abstract

The invention proposes a new connection mechanism between the baby carriage seat and the frame, which includes an upper joint, a lower joint, a tension spring, a rotating plate, a locking plate, a compression spring, a button, a button plate, a second compression spring, and a lower joint cover plate. When taking out the seat, it is only necessary to press the button installed on the lower joint to unlock, the rotating plate will automatically turn in position, and the seat can be lifted lightly to complete the taking out operation; when installing the seat, Install the locking shaft on the upper joint in the locking groove of the rotating plate. Since the rotating plate is an eccentric disc structure, the downward installation force can drive the rotating plate to rotate, and it will be automatically locked when it reaches the installation position; in addition, when the unlock button is pressed The unlocked state of the seat and the frame can be maintained, and the locking device can be automatically reset after the seat is taken out. The present invention has simple structure, smooth operation and labor-saving.

Description

A new type of connection mechanism between the seat and the frame of a baby carriage

technical field

The invention relates to the technical field of baby carriages, in particular to a connection structure of a novel baby carriage seat and a frame.

Background technique

With the continuous improvement of people's living standards, baby strollers have become an indispensable product for babies' growth. As a tool car that provides convenience for outdoor activities, there are various models designed according to different age groups. Since the stroller can be used for a long time, in order to be more convenient to clean, carry and use, the seat of the popular multifunctional stroller on the market can be disassembled from the frame and reversed. The connecting mechanism is an important part of the stroller.

In the existing stroller, the disassembly of the stroller seat and the frame often requires the unlocking of the seat and the lifting of the seat at the same time. It is difficult for one person to complete the disassembly of the seat, and the operation comfort is poor.

SUMMARY OF THE INVENTION

In view of the above problems, the present invention provides a novel connection structure between the baby carriage seat and the frame, which is simple in structure, can maintain the unlocked state of the seat and the frame, and can automatically reset the locking device after the seat is taken out.

In order to achieve the above object, the present invention adopts the following technical solutions:

A new connection mechanism between a baby carriage seat and a frame, comprising an upper joint, a lower joint, a rotating plate and a button assembly;

The button assembly is arranged on the lower joint to avoid the inconvenience of operation caused by the button reversal caused by the seat reversal, the lower joint is fixed on the frame, and the rotating plate is installed on the lower joint through the rotating shaft , a locking slot is arranged on the rotating plate, and a limiting mechanism is arranged between the rotating plate and the lower joint; the upper joint is provided with a locking shaft for locking the seat, and the locking shaft is connected with the lower joint through the locking slot on the rotating plate; The button assembly is installed in the chute of the lower joint. When the lock on the button assembly is matched with the slot on the rotating plate, the rotating plate is in a locked state, and the frame and seat are locked; When the lock head of the rotary plate is released from the card slot on the rotating plate, the rotating plate is in an active state, and the frame and the seat are unlocked.

As a preferred aspect of the present invention, the limiting mechanism includes a tension spring and a stopper disposed on the lower joint, one end of the tension spring is fixed on the lower joint, and the other end is fixed on the rotating plate.

As a preferred embodiment of the present invention, the rotating plate is of an eccentric structure, and the rotating plate is provided with an arc surface 1 for pushing the locking plate to move and an arc surface 2 for pushing the button plate to move.

As a preferred aspect of the present invention, the lower joint is provided with a first and second sliding grooves for installation of the button assembly, and the first and second sliding grooves communicate with each other and their extending directions are perpendicular to each other.

As a preferred aspect of the present invention, the button assembly includes a button, a button plate and a locking plate, the button plate includes a pressing portion, and a sliding portion with a second card slot and a lock head, and the pressing portion and the sliding portion are integrated into one; The pressing part is connected with the button, the sliding part is installed in the first chute, and the end of the sliding part away from the button is in contact with the groove wall of the first chute through the second compression spring; The first end of the locking plate is in contact with the groove wall of the second chute through the compression spring, and the extended end is in contact with the sliding part of the button board. When the button is in the pressed state, the extended end of the locking plate is in contact with the second slot on the button board. Matching makes the lock on the button board disengage from the card slot on the rotating board.

As a preferred option of the present invention, the lower joint is provided with a mounting hole for the button to pass through.

As a preference of the present invention, the second chute is narrow at the top and wide at the bottom, a compression spring is installed at the wide part, and a gap is left between the narrow part and the outer wall of the locking plate.

As a preferred option of the present invention, the protruding end of the locking plate is provided with two convex parts 1 and 2 with the same height, the convex part 1 is matched with the slot 2 on the button board, and the convex part 2 is connected to the rotating plate. On the same side of the button board.

As a preferred embodiment of the present invention, the connection mechanism further includes a lower joint cover, the lower joint cover and the lower joint are connected by screws to form a package casing, and the rotating plate and the button assembly are located inside the package casing.

Another object of the present invention is to provide a new type of baby carriage, which includes the above-mentioned connecting mechanism between the seat and the frame.

The beneficial effects that the present invention has:

The invention proposes a new type of connection mechanism between the baby carriage seat and the frame. When the seat is taken out, it is only necessary to press the button installed on the lower joint to unlock, the rotating plate is automatically rotated, and the seat is gently moved. Lift the chair to complete the removal operation; when installing the seat, install the locking shaft on the upper joint in the locking groove of the rotating plate. Since the rotating plate is an eccentric disc structure, the downward installation force can drive the The rotating plate rotates and locks automatically when it reaches the installation position;

In addition, when the unlocking button is pressed, the unlocked state of the seat and the frame can be maintained, and the locking device can be automatically reset after the seat is taken out.

Description of drawings

Fig. 1: structural drawing of the present invention;

Fig. 2: Structure exploded diagram of the present invention;

Figure 3A: After the seat is installed, the sectional view of the connecting mechanism with the rotating plate in the locked state;

Figure 3B: Sectional view of the connection mechanism of the rotating plate in the initial unlocked state after pressing the button;

Figure 3C: Sectional view of the connection mechanism when the rotating plate is in the limit state when the seat is taken out;

Fig. 4: the structure diagram of the lower joint of the present invention;

Fig. 5: the structure diagram of the rotating plate of the present invention;

Fig. 6: the structure diagram of the button board of the present invention;

Figure 7: The structural diagram of the seat and the frame after being installed by the connecting mechanism of the present invention;

In the figure, 1-upper joint, 11-locking shaft, 2-lower joint, 21-stop, 22-rotating shaft, 23-installation column, 24-chute 1, 25-chute 2, 3-tension spring, 4 -Rotating plate, 41-locking slot, 42-card slot one, 43-curved surface one, 44-curved surface two, 45-tension spring positioning slot, 5-locking plate, 6-compression spring one, 7-button, 8 -Button board, 81-card slot 2, 82-lock head, 9-compression spring 2, 10-lower joint cover, a-installation piece, b-seat, c-frame.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

As shown in FIG. 1 , the present invention provides a new connection structure between the baby carriage seat and the frame, which facilitates the disassembly of the seat and the frame, and has a simple structure. As shown in Figure 2, the connection structure includes an upper joint 1, a lower joint 2, a tension spring 3, a rotating plate 4, a locking plate 5, a compression spring 6, a button 7, a button plate 8, a compression spring 2 9, a lower Connector cover 10.

The upper joint 1 is provided with a locking shaft 11 for seat locking.

The lower joint 2 is provided with a rotating shaft 22 for installing the rotating plate 4, and a mounting column 23 for installing the tension spring 3. The rotating plate 4 is installed on the lower joint through the rotating shaft 22, and communicates with the lower joint 2 through the tension spring 3. Connection; there is a sliding slot 24 for the sliding of the button plate 8 and a sliding slot 2 25 for the sliding of the locking plate 5, a rotating plate stop 21, a tension spring 3 and a stop 21 are provided as the limiting mechanism of the rotating plate 4, The rotating plate 4 is prevented from rotating freely.

The rotating plate 4 is provided with a locking slot 41 for seat locking, a card slot 42 for locking the button plate 8, an arc surface 43 for pushing the locking plate 5 to move, and an arc surface for pushing the button plate 8 to move. 244.

The button plate 8 is provided with a second slot 81 for locking the locking plate 5 , and a lock head 82 for locking the rotating plate 4 .

The rotating plate 4 is installed on the lower joint 2 through the rotating shaft 22, the rotating plate 4 is provided with a locking groove 41, and a limiting mechanism is arranged between the rotating plate 4 and the lower joint 2; the upper joint 1 is provided with a seat for The locking shaft 11 of the chair lock, the locking shaft 11 is connected with the lower joint 2 through the locking groove 41 on the rotating plate 4; the button assembly is installed in the sliding groove of the lower joint 2, when the lock head 82 on the button assembly is connected to the rotating plate When the slot one 42 on the 4 is matched, the rotating plate 4 is in a locked state, and the frame and the seat are locked; 4 is active, the frame and seat are unlocked. As shown in FIG. 7 , the upper joint 1 is fixed on the seat b through the mounting member a, and the lower joint 2 is fixed on the frame c, and the seat and the frame are realized through the matching relationship between the upper joint 1 and the lower joint 2 installation and removal.

In a specific implementation of the present invention, as shown in FIG. 4 , the lower joint 2 is provided with the first chute 24 and the second chute 25 for installation of the button assembly, and the first chute 24 and the second chute 25 communicate with each other and extend in the direction of each other. vertical. The button assembly includes a button 7, a button plate 8 and a locking plate 5. As shown in FIG. 6, the button plate 8 includes a pressing portion and a sliding portion with a second slot 81 and a lock head 82, and the pressing portion is connected with the sliding portion. The pressing part of the button plate 8 is connected with the button 7, the sliding part is installed in the sliding groove 1 24, and the end of the sliding part away from the button 7 is in contact with the groove wall of the sliding groove 1 24 through the compression spring 2 9; the locking plate 5 is installed in the second chute 25, the protruding end of the locking plate 5 is in contact with the groove wall of the second chute 25 through the compression spring 1 6, and the protruding end is in contact with the sliding part of the button plate 8, when the button 7 is in the down position. In the pressed state, the protruding end of the locking plate 5 is matched with the second slot 81 on the button plate 8 , so that the locking head 82 on the button plate 8 is disengaged from the first slot 42 on the rotating plate 4 .

In a specific implementation of the present invention, the second chute 25 is narrow at the top and wide at the bottom, a compression spring one 6 is installed at the wide part, and a gap is left between the narrow part and the outer wall of the locking plate 5; When the plate 5 is pre-compressed by the compression spring 6, the locking plate 5 can extend out of the second chute 25. When the locking plate 5 moves downward, the compression spring 1 6 is compressed, and the locking plate 5 can completely enter the second chute 25.

The protruding end of the locking plate 5 is provided with two convex parts 1 and 2 with the same height. ipsilateral. As shown in FIG. 5 , the outer contour of the rotating plate 4 is sequentially provided with a locking groove 41 , a first clamping groove 42 , a second arc surface 44 , a first arc surface 43 , and a tension spring positioning groove 45 in a clockwise direction. When the convex part 1 slides into the second slot 81, the position of the button plate 8 is locked. At this time, the lock on the button plate 8 slides out from the first slot 42 on the rotating plate 4, and keeps the rotating plate 4 in its position. In the unlocked state, when the rotating plate 4 has not yet started to rotate, the arc surface 1 43 on the rotating plate 4 is located on the left side of the convex portion 2 on the locking plate 5, and the arc surface 2 44 on the rotating plate 4 is located on the convex portion on the locking plate 5. When the seat is taken out, the locking shaft 11 on the upper joint 1 moves upwards away from the locking groove 41, and the rotating plate 4 in the unlocked state is acted by the pulling force of the tension spring 3 received at the tension spring positioning groove 45 and locks Driven by the shaft 11, it starts to rotate counterclockwise. During the counterclockwise rotation, the arc surface 1 43 on the left side of the convex part 2 can contact the convex part 2 and push the convex part 2 to move downward, and the compression spring 1 6 is compressed , the locking plate 5 slides downward as a whole, so that the convex part 1 on the locking plate 5 is away from the second slot 81 , the button 7 is reset under the action of the second compression spring 9 , and the lock head 82 abuts on the second arc surface 44 . When rotated to contact with the stopper 21, the rotating plate 4 is limited and cannot continue to rotate counterclockwise. When the seat needs to be installed, the locking shaft 11 on the upper joint 1 is installed in the locking groove 41 on the rotating plate 4. Since the rotating plate 4 is an eccentric structure, the downward installation force can drive the rotating plate 4 to rotate clockwise , because the lock head 82 abuts on the arc surface 2 44 by the pressure of the compression spring 2 9, during the clockwise rotation process, the lock head 82 automatically slides into the slot 1 42 after reaching the installation position, so that the rotating plate 4 is locked, and the seat The seat and frame are installed.

In a specific implementation of the present invention, the connection structure further includes a lower joint cover plate 10, the lower joint cover plate 10 and the lower joint 2 are connected by screws to form an encapsulation shell, and the rotating plate 4 and the button assembly are located in the encapsulation shell. Inside, only the button 7 protrudes out of the package shell through the mounting hole on the lower connector 2, which is convenient to use, dust-proof and beautiful.

Applying the connecting mechanism of the present invention to the stroller can facilitate the installation of the seat and the frame. The specific working process is as follows:

After the seat is installed, the rotating plate 4 locks the locking shaft 11 of the upper joint 1 through the locking groove 41, and the lock head 82 of the button plate 8 is located in the slot one 42 of the rotating plate 4 to prevent the rotating plate 4 from rotating. The seat is connected to the frame as shown in Figure 3A.

When the seat needs to be taken out, press the button 7, push the button plate 8 to slide in the chute 1 24, the lock head 82 leaves the card slot 1 42, and unlock the rotating plate 4; at the same time, the locking plate 5 slides in under the action of the compression spring 1 6 In the second card slot 81 , the position of the button plate 8 is locked, and the unlocked state of the rotating plate 4 is maintained, as shown in FIG. 3B .

When the seat is taken out, the locking shaft 11 of the upper joint 1 moves upwards, driving the rotating plate 4 to rotate; then the arc surface 43 of the rotating plate 4 starts to contact the locking plate 5, and pushes the locking plate 5 to move to keep the locking plate 5 away from the slot. Two 81; the button plate 8 is reset under the action of the compression spring two 9; at this time, the rotating plate 4 rotates to the stopper 21, and maintains this position under the action of the tension spring 3, as shown in Figure 3C.

When the seat is installed, the locking shaft 11 moves down in the locking groove 41, pushes the rotating plate 4 to rotate, and then the arc surface 2 44 of the rotating plate 4 starts to contact the lock head 82, and pushes the button plate 8 to slide in the sliding groove one 24. , until the lock head 82 is aligned with the slot one 42, under the action of the compression spring two 9, the lock head 82 slides into the slot one 42, locks the rotating plate 4, and the seat and the frame are connected.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Although the present invention is disclosed above with preferred embodiments, it is not intended to limit the present invention. , within the scope of the technical solution of the present invention, when using the technical content disclosed above to make some changes or modifications to equivalent embodiments of equivalent changes, but without departing from the technical solution content of the present invention, according to the technology of the present invention refers to the above Any simple modifications, equivalent changes and modifications made in the examples fall within the scope of the technical solutions of the present invention.

Claims (10)

1. A novel connecting mechanism between a baby carriage seat and a frame, characterized in that it comprises an upper joint (1), a lower joint (2), a rotating plate (4) and a button assembly; The lower joint (2) is fixed on the frame, the rotating plate (4) is mounted on the lower joint (2) through the rotating shaft (22), and the rotating plate (4) is provided with a locking groove (41), A limit mechanism is provided between the rotating plate (4) and the lower joint (2); the upper joint (1) is provided with a locking shaft (11) for locking the seat, and the locking shaft (11) passes through the rotating plate (4) The upper locking groove (41) is connected with the lower joint (2); the button assembly is installed in the chute of the lower joint (2), when the locking head (82) on the button assembly and the latch on the rotating plate (4) When the first slot (42) is matched, the rotating plate (4) is in a locked state, and the frame and the seat are locked; when the locking head (82) on the button assembly and the locking slot (42) on the rotating plate (4) When disengaged, the rotating plate (4) is in an active state, and the frame and seat are unlocked. 2 . The connection mechanism of a new type of baby carriage seat and the frame according to claim 1 , wherein the limiting mechanism comprises a tension spring ( 3 ) and a stopper provided on the lower joint ( 2 ). 3 . One end of the tension spring (3) is fixed on the lower joint, and the other end is fixed on the rotating plate (4). 3. A new type of connection mechanism between the baby carriage seat and the frame according to claim 1, wherein the rotating plate (4) is an eccentric structure, and a push locking plate is provided on the rotating plate (4). (5) The first arc surface (43) for moving and the second arc surface (44) for pushing the button board (8) to move. 4. The connection mechanism of a new type of baby carriage seat and the frame according to claim 1, wherein the lower joint (2) is provided with a chute one (24) and The second chute (25), the first chute (24) and the second chute (25) communicate with each other and their extending directions are perpendicular to each other. 5. A new type of connection mechanism between a baby carriage seat and a frame according to claim 1 or 4, wherein the button assembly comprises a button (7), a button plate (8) and a locking plate (5) ), the button plate (8) includes a pressing part and a sliding part with two card slots (81) and a lock head (82), the pressing part and the sliding part are connected as a whole; the pressing part of the button plate (8) is connected with the button (7) ) connection, the sliding part is installed in the first chute (24), and the end of the sliding part away from the button (7) is in contact with the groove wall of the first chute (24) through the second compression spring (9); the locking plate (5) Installed in the second chute (25), the protruding end of the locking plate (5) is in contact with the groove wall of the second chute (25) through the compression spring one (6), and the protruding end slides with the button plate (8). When the button (7) is in the depressed state, the extended end of the locking plate (5) is matched with the second slot (81) on the button plate (8), so that the lock on the button plate (8) The head (82) is disengaged from the first slot (42) on the rotating plate (4). 6. A new type of connection mechanism between a baby carriage seat and a frame according to claim 5, characterized in that, the lower joint (2) is provided with a mounting hole for the button (7) to pass through. 7. The connection mechanism of a new type of baby carriage seat and the frame as claimed in claim 5, wherein the second chute (25) is narrow at the top and wide at the bottom, and a compression spring (6) is installed at the wide part. ), leaving a gap between the narrow part and the outer wall of the locking plate (5). 8. A new type of connection mechanism between a baby carriage seat and a frame according to claim 5, wherein the protruding end of the locking plate (5) is provided with two convex parts with the same height, one and the other The second convex part and the first convex part are matched with the second clamping groove (81) on the button plate (8), and the second convex part and the rotating plate (4) are located on the same side of the button plate (8). 9. A new type of connection mechanism between the baby carriage seat and the frame according to claim 1, characterized in that it further comprises a lower joint cover plate (10), the lower joint cover plate (10) and the lower joint (2) The encapsulation casing is formed by screw connection, and the rotating plate (4) and the button assembly are located inside the encapsulation casing. 10. A new type of baby carriage, characterized in that it comprises the connecting mechanism between the seat and the frame according to any one of claims 1-9.

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