CN205239605U - Removable baby seat skeleton - Google Patents

Abstract

The utility model discloses a removable baby seat skeleton, including an upper ledge, the joint of a lockable, a lower frame, a first joint and a connecting rod of removing locking device, a detachable connecting device, a seat support, a back support, a lockable mil. The utility model discloses a removable baby seat skeleton, can the multistage angle of adjustment back support, especially when folding up, only need relieve earlier the articular locking of lockable, alright make upper ledge and lower frame change to closed state from the state that expandes, and make the seat support follow to change to its position of folding up, the utility model discloses a joint of lockable mil is equipped with the one -way skewed tooth clip that locking device was relieved to annular arrangement unidirectional ratchet and second, need not to operate the second when making the back support towards seat support pivot and relieves locking device, direct alright pulling back support and adjust its angle, easy operation, convenience.

Description

Detachable baby car seat frame

technical field

The utility model relates to a detachable baby carriage seat frame, in particular to a detachable baby carriage seat frame whose angle can be adjusted in multiple sections, and the upper frame and the lower frame can be unfolded and folded together with the seat bracket .

Background technique

The current commercially available dustpan-type detachable baby car seat frame is a canvas seat supported by an upper frame, lockable joints and a lower frame. Such a simple seat cannot adjust the angle of the seat back, and is used for newborn babies lying flat Fashionable, but when the baby grows up a little bit and needs to sit up, he will find it inconvenient to use the chair whose back angle cannot be adjusted, so it is often necessary to pad something behind the baby to provide a proper angle of backrest support.

If you want to design a seat that can adjust the angle of the seat back, you must be equipped with seat brackets, backrest brackets, and joints that can lock the corners; but when folding the seat, the user must fold the upper frame, The lower frame, the seat bracket and the backrest bracket are so complicated to use, the user will find it troublesome, especially when holding the baby with one hand, and performing this complicated folding operation with the other hand will easily cause distraction and cause danger.

Utility model content

In order to solve the above problems, the purpose of this utility model is to provide a detachable baby carriage seat frame.

The utility model is realized in the following ways:

A detachable baby carriage seat frame, comprising an upper frame, a lockable joint and a lower frame pivotably connected to the upper frame by the lockable joint, characterized in that it also includes:

A first unlocking device has a first driving part, a first interlocking part and a first following part, when the first driving part drives the first following part through the first interlocking part, the lockable joint unlocked state; and

a detachable connecting device including an upper coupling for detachably connecting the detachable baby carriage seat frame to a baby carriage frame;

A seat bracket, the front end of which is pivotally connected to the lower frame;

a backrest bracket;

a lockable corner joint connected between the seat frame and the backrest frame; and

A connecting rod, one end is pivotally connected to the upper frame or a lockable joint, and the other end is pivotally connected to the seat frame, the backrest frame or a lockable corner joint.

Preferably, the upper frame is a U-shaped tubular body, and the first driving part is operatively installed on the upper frame.

Preferably, the first linking part is movably accommodated in the U-shaped tube body, one end is connected with the first driving part, and the other end is connected with the first follower part.

Preferably, the first linkage part includes a section of cable.

The detachable stroller seat frame of the present invention also includes a second unlocking device, which has a second driving part, a second interlocking part and a second follower part. When the second driving part passes through the second The second linkage part drives the second follower part, so that the joint at the locked angular position can be released from the locked state.

The backrest bracket is provided with a pair of axially long slots, and the second driving part includes:

A sliding part is slidably accommodated in the backrest bracket, connected with the second linking part by one end,

A spring-biased pressing member has a convex button for pressing and a pair of wings, and the pair of wings is respectively provided with a first chute;

A plug is connected with the slider, and two ends pass through the pair of axial long slots and the first inclined slots on the pair of fins respectively.

Preferably, the insert is a pin.

Preferably, the sliding member is a metal ring that can pass through or be fixed with the insert.

The angle-lockable joints include:

The lower joint is connected to the seat bracket at one end, and at least one unidirectional ratchet is provided inside;

One upper joint, one end is connected with the backrest bracket, and the other end is provided with a track, the upper joint and the lower joint are pivotally connected to drive the backrest bracket to pivot relative to the seat bracket; the second follower part is accommodated between the upper joint and the lower joint and can move along the track, the second follow-up part has at least one locking part; and

An elastic component exerts a bias on the second follower part, so that the locking part can be elastically locked between the one-way ratchet teeth, so that the lower joint and the upper joint can only pivot relative to each other in one direction.

Preferably, the one-way ratchets are arranged in one or two rows in a ring shape.

Preferably, the locking part is a one-way helical tooth, which is arranged at the position where the second follow-up part is opposite to the one-way ratchet.

Preferably, the lower joint or the seat frame is provided with a first pivotal portion pivotably connected to the connecting rod, so that the seat frame and the upper frame are kept in motion.

Preferably, the upper frame or the lockable joint is provided with a second pivotal part pivotably connected with the connecting rod, so that the seat bracket and the upper frame keep moving.

Preferably, the detachable connection device further includes a lower coupling, the upper coupling is connected to the upper frame, the lower frame or a lockable joint, and the lower coupling is connected to the stroller frame.

The detachable baby car seat frame of the utility model can adjust the angle of the backrest bracket in multiple stages, especially when folding, only need to release the locking of the lockable joints first, then the upper frame and the lower frame can be rotated from the unfolded state. to the closed state, so that the seat bracket follows and turns to its folded position.

The detachable stroller seat frame of the utility model is provided with a ring-shaped arrangement of one-way ratchets and one-way helical teeth of the second unlocking device through joints that can lock the angle, so that when the backrest bracket pivots toward the seat bracket Without operating the second unlocking device, the backrest bracket can be directly pulled to adjust its angle, which is simple and convenient to operate.

Description of drawings

FIG. 1 is a schematic diagram of the application of the detachable baby carriage seat frame of the present invention to a baby carriage frame.

Fig. 2 is a schematic diagram of the frame of the detachable baby carriage seat of the present invention.

Fig. 3 is a schematic diagram of the folding operation of the detachable baby carriage seat frame of the present invention.

Fig. 4 is a schematic diagram of the frame of the detachable baby carriage seat of the present invention, and the backrest bracket at the locked angle.

Fig. 5 is a schematic diagram of the frame of the detachable baby carriage seat of the present invention, and the backrest bracket when the angle position is unlocked.

Fig. 6 is a detachable stroller seat framework of the present invention, an exploded schematic diagram of joints that can lock the angle.

Fig. 7 is a schematic diagram of the lower joint features of the detachable stroller seat frame of the present invention and the joints that can lock the angle.

Fig. 8 is a schematic diagram of the operation of adjusting the angle of the backrest bracket of the detachable baby carriage seat frame of the present invention.

Fig. 9 is an exploded schematic diagram of the detachable baby carriage seat frame and lockable joints of the present invention.

FIG. 10 is a schematic diagram of the detachable baby carriage seat frame of the present invention when it is completely folded.

Fig. 11 is a schematic diagram of the detachable baby carriage seat frame of the present invention, the joint structure of which the angle can be locked.

[Description of main component symbols]

detailed description

As shown in FIG. 1 , it is a schematic diagram of application of a detachable baby car seat frame of a utility model to a baby car frame. Please refer to Fig. 2 at the same time, the detachable stroller seat frame of the present invention may include an upper frame 1, a lockable joint 2, a lower frame 3, a first unlocking device 4, a seat bracket 6, a backrest Bracket 7, a joint 8 that can lock the angular position, a connecting rod 9 and a second unlocking device 7A.

As shown in Figure 9, the upper frame 1 can be assembled, welded, or made of a U-shaped pipe body made of multi-section metal pipes, and the first driving part 41 is installed on the U-shaped pipe in an operative manner. The upper end of the body is convenient for the pusher.

The lower frame 3 can be a U-shaped pipe body made of multi-segment metal pipes assembled, welded, or processed by pipe bending, and is pivotally connected to the upper frame 1 by lockable joints 2 .

The first unlocking device 4 is used to release the locked state of the lockable joint 2, and has a first driving part 41, a first interlocking part 42 and a first follower part 43, when the first driving part 41 passes through When the first follow-up part 43 is driven by the first linkage part 42, the lockable joint 2 is released from the locked state, and can be folded and folded as shown in the schematic diagram of Figure 3, so that the upper frame 1 and the lower frame 3 can pivot relatively , turn from the unfolded state 100 to the closed state 200 , or pivot from the closed state 200 to the unfolded state 100 .

As shown in FIG. 9 , the first linkage part 42 is movably accommodated in the U-shaped tube body of the upper frame 1 , one end is connected with the first driving part 41 , and the other end is connected with the first follower part 43 . The first linking part 42 can be a strip-shaped rigid or flexible object, such as a section of cable with a metal collar or a block at the end.

Since the structure of many lockable joints 2 in commercially available products can be referred to, the lockable joint 2 shown in the exploded view of Fig. 9 is only one of them. Not to be repeated.

As shown in Figure 1, the detachable connecting device 5 is used to connect the detachable baby car seat frame to a baby car frame 53, which can at least include an upper coupling part 51 and a lower coupling part 52, although the The upper coupling part 51 of the embodiment is connected to the lockable joint 2, and the lower coupling part 52 should be fixed on the stroller frame 53, but in order to change or shape design needs, the upper coupling part 51 can also be fixed on the upper One of the frame 1 and the lower frame 3 (not shown), this will not affect the purpose of connecting the detachable baby carriage seat frame to the baby carriage frame 53 .

In the embodiment of the detachable baby car seat frame shown in Figures 4 to 7, the front end of the seat frame 6 is pivotally connected to the lower frame 3, and the backrest frame 7 is connected to the seat frame 6 using a joint 8 that can lock the angle. . One end of the connecting rod 9 can be pivotally connected to the upper frame 1 or the lockable joint 2, and the other end is pivotally connected to the seat bracket 6, the backrest bracket 7 or the joint 8 that can lock the angle position. When the state 100 is transferred to the closed state 200, the seat frame 6 is rotated and automatically folded by the center linkage of the connecting rod 9, and finally reaches the fully folded state shown in FIG. 10 . Conversely, when the upper frame 1 and the lower frame 3 turn from the closed state 200 to the unfolded state 100, the seat bracket 6 will be rotated and automatically unfolded by the linkage action of the connecting rod 9. The detachable stroller The seat frame will eventually reach the fully deployed state shown in FIG. 2 .

Although the embodiment of Fig. 6, Fig. 7 and Fig. 10 is provided with a first pivot joint 86 at the lower joint 81, the lockable joint 2 is provided with a second pivot joint 10, and the two ends of the connecting rod 9 are pivotally connected to the first joint. The pivotal joint 86 and the second pivotal joint 10 keep the seat bracket 6 in motion with the upper frame 1, but the designer can still change the first pivotal joint 86 to the seat bracket 6 according to the needs of the shape (not shown). As shown in the figure), the second pivot point 10 can also be relocated to the upper frame 1 (not shown), and the purpose of keeping the seat bracket 6 and the upper frame 1 in motion can still be achieved.

As shown in FIG. 4 to FIG. 5 , the second unlocking device 7A has a second driving part 7A1 , a second linking part 7A2 and a second follower part 7A3 . When the second follow-up part 7A3 is driven by the second drive part 7A1 through the second link part 7A2, the joint 8 that can lock the angular position will be released from the locked state, so that the backrest support 7 can pivot relative to the seat support 6 Change the angle. As shown in the operation schematic diagram of adjusting the angle of the backrest support in FIG. 8 , when the joint 8 that can lock the angle position is unlocked, the angle of the backrest support 7 can be adjusted in multiple stages.

As shown in Figure 11, the schematic diagram of the joint structure that can lock the angle position, the backrest bracket 7 can be assembled by multi-section metal pipes, welded or U-shaped pipe body made by pipe bending machine, which can be equipped with a pair of axial long grooves 11. The second driving part 7A1 may include a sliding part 710 , a spring-biased pressing part 711 and a plug-in part 715 .

The second linkage part 7A2 can be an elongated rigid or flexible object, such as a webbing (not shown) or a cable, or a slide made of a metal collar or a block at the end of the cable. 710, which is movably accommodated inside or outside the tube body of the backrest bracket 7 (not shown), and is connected with the second driving part 7A1 at one end, and connected with the spring-biased drive part 7A1 at the other end. The push button 711 is connected.

The push member 711 biased by the spring can be provided with a convex button 712 for pressing and a pair of wings 713 , and a first chute 714 is respectively arranged on the wings 713 . The two wings 713 are movably sleeved on the part of the back support bracket 7 where the axial long groove 11 is provided, so that the first chute 714 and the axial long groove 11 alternate up and down.

The insert 715 is connected with the slider 710, and the two ends pass through the two axial long slots 11 and the first inclined slot 714 on each wing 713 respectively. The first chute 714 on the piece 713 drives the plug-in 715 to move the plug-in 715 along the axial slot 11, thereby pulling the second linkage part 7A2 through the plug-in 715 to release the locking state of the angularly lockable joint 8. The insert 715 in this embodiment is a pin, and the sliding member 710 is a metal ring through which the pin passes or is fixed, and is accommodated in the tube body of the back support 7 in a movable manner.

The embodiment of the angle-lockable joint 8 shown in FIG. 6 and FIG. 7 includes a lower joint 81 , an upper joint 83 and an elastic component 85 . One end of the lower joint 81 is connected with the seat bracket 6, and one or two rows of unidirectional ratchets 82 arranged in a ring can be arranged inside. One end of the upper joint 83 is connected to the backrest bracket 7, and a track 84 is provided at the other end to guide the movement of the second follower 7A3. The second follower part 7A3 is accommodated between the upper joint 83 and the lower joint 81 and can move back and forth along the track 84 .

One or two latching portions 7A4 are provided at the position where the second follower portion 7A3 is opposite to the annular arrangement of the one-way ratchets 82 of the lower joint 81 . The elastic component 85 is used to apply bias to the second follower part 7A3, so that the locking part 7A4 can be elastically snapped between the one-way ratchet teeth 82, so that the lower joint 81 and the upper joint 83 can only pivot relative to each other in one direction. turn or position. Preferably, the locking part 7A4 can be implemented as a one-way helical tooth. When the upper joint 83 rotates toward the seat frame 6, the one-way helical tooth of the second follow-up part 7A3 can be supported by the one-way ratchet 82 of the lower joint 81. Repel and release the latch, thereby releasing the locked state of the joint 8 that can lock the angle.

To sum up, the detachable baby carriage seat frame of the present invention can adjust the angle of the backrest bracket 7 in multiple stages. When folding, as long as the locking of the lockable joint 2 is released, the upper frame 1 can be pivoted toward the lower frame 3, so that the upper frame 1 and the lower frame 3 can be turned from the unfolded state 100 to the closed state 200, at this time The seat support 6 will be forwarded to its folded position by the linkage of the connecting rod 9 .

If the angle-lockable joint 8 adopts the one-way helical tooth locking design of the above-mentioned annular arrangement of the one-way ratchet 82 and the locking part 7A4, the backrest bracket 7 can be pivoted toward the seat bracket 6 without operating the second drive. The part 7A1 is convenient for adjusting the angle of the backrest support 7 and folding the whole detachable baby car seat; Linked by the connecting rod 9 to follow the pivoting to the normal use position, the user can then operate the second driving part 7A1 to release the locking of the joint 8 that can lock the angle, and pivot the backrest bracket 7 to the angle to be used, by The engagement of the one-way ratchet 82 and the one-way helical tooth locks the backrest bracket 7 at the last selected angle.

Claims (14)

1. A detachable baby carriage seat frame, comprising an upper frame, a lockable joint and a lower frame pivotally connected to the upper frame by a lockable joint, characterized in that it also includes: A first unlocking device has a first driving part, a first interlocking part and a first following part, when the first driving part drives the first following part through the first interlocking part, the lockable joint unlocked state; and a detachable connecting device including an upper coupling for detachably connecting the detachable baby carriage seat frame to a baby carriage frame; A seat bracket, the front end of which is pivotally connected to the lower frame; a backrest bracket; a lockable corner joint connected between the seat frame and the backrest frame; and A connecting rod, one end is pivotally connected to the upper frame or a lockable joint, and the other end is pivotally connected to the seat frame, the backrest frame or a lockable corner joint. 2 . The detachable baby car seat frame according to claim 1 , wherein the upper frame is a U-shaped tubular body, and the first driving part is operatively installed on the upper frame. 3 . 3. The detachable baby car seat frame according to claim 2, characterized in that, the first linkage part is movably accommodated in the U-shaped tube body, one end is connected to the first driving part, and the other end Connect with the first follower. 4. The detachable baby car seat frame according to claim 2, wherein the first linking part comprises a section of cable. 5. The detachable baby car seat frame according to claim 1, further comprising a second unlocking device having a second driving part, a second interlocking part and a second follower part , when the second drive part drives the second follower part through the second linkage part, the locked state of the joint at the locked angle can be released. 6. The detachable baby carriage seat frame according to claim 5, wherein the backrest bracket is provided with a pair of axially long slots, and the second driving part comprises: A sliding part is slidably accommodated in the backrest bracket, connected with the second linking part by one end, A spring-biased pressing member has a convex button for pressing and a pair of wings, and the pair of wings is respectively provided with a first chute; A plug is connected with the slider, and two ends pass through the pair of axial long slots and the first inclined slots on the pair of fins respectively. 7. The detachable baby car seat frame according to claim 6, wherein the insert is a pin. 8 . The detachable child car seat frame according to claim 6 , wherein the sliding member is a metal ring through which the insert can pass or be fixed thereto. 9. The detachable baby car seat frame according to claim 5, wherein the joints with lockable angles include: The lower joint is connected to the seat bracket at one end, and at least one unidirectional ratchet is provided inside; One upper joint, one end is connected with the backrest bracket, and the other end is provided with a track, the upper joint and the lower joint are pivotally connected to drive the backrest bracket to pivot relative to the seat bracket; the second follower part is accommodated between the upper joint and the lower joint and can move along the track, the second follow-up part has at least one locking part; and An elastic component applies a bias to the second follower part, so that the locking part can be elastically locked between the one-way ratchet teeth, so that the lower joint and the upper joint can only pivot relative to each other in one direction. 10 . The detachable child car seat frame according to claim 9 , wherein the one-way ratchets are arranged in one or two rows in a ring shape. 11 . 11 . The detachable baby car seat frame according to claim 9 , wherein the locking part is a one-way helical tooth, which is arranged at a position where the second follower part is opposite to the one-way ratchet. 12. The detachable baby car seat frame according to claim 9, wherein the lower joint or the seat frame is provided with a first pivotal part pivotally connected with the connecting rod, so that the seat frame and the upper frame Keep in touch. 13. The detachable baby car seat frame according to claim 12, characterized in that, the upper frame or the lockable joint is provided with a second pivotal part pivotally connected with the connecting rod, so that the seat frame and the The upper frame keeps moving. 14. The detachable child car seat frame according to claim 1, characterized in that, the detachable connecting device further comprises a lower coupling, and the upper coupling is connected to the upper frame, the lower frame or a lockable The joint and the lower coupling part are connected to the frame of the stroller.