CN213473271U - Height adjusting mechanism for child seat - Google Patents

Abstract

The utility model discloses a children's seat height adjusting mechanism, including frame, bayonet socket and the seat mount pad that installs on children's seat and correspond with the bayonet socket, the bayonet socket pin joint is on the frame, seat height adjusting mechanism still includes the bayonet socket locking mechanical system who sets up between bayonet socket and frame, bayonet socket locking mechanical system can make bayonet socket and frame lock mutually in the high, low two operating positions of bayonet socket, when seat mount pad and bayonet socket are pegged graft to cooperate, eliminate the locking clearance between frame, bayonet socket, the bayonet socket locking mechanical system three; the utility model discloses can satisfy different user demands according to the height of user demand adjustment seat to when seat mount pad and the mating socket are pegged graft, can eliminate the locking clearance, prevented both lockings not in place and produced not hard up.

Description

Height adjusting mechanism for child seat

Technical Field

The utility model relates to a children's apparatus field especially relates to a children's seat height adjusting mechanism.

Background

In the prior art, there are various structures of the stroller, which generally includes a frame having an unfolded state and a folded state, a wheel assembly disposed at the bottom of the frame, and a locking mechanism for locking the frame in the unfolded state. At present, the frames of the baby carriage are various, the number of the rods of the frames is different, and the connection relation and the connection position between the rods are different, so that the folding principle and the folding mode are also different.

Although the frame structure is various, the seat height of the existing baby carriage is basically fixed, namely the seat can not be adjusted according to the needs of users, so that the vision of infants in the seat pocket is limited, and the baby carriage can not adapt to different use requirements.

Disclosure of Invention

The utility model discloses the purpose is: provides a child seat height adjusting mechanism to solve the problem that the seat height of the existing baby carrier is not adjustable.

The technical scheme of the utility model is that: a height adjusting mechanism for a child seat comprises a frame, an inserting seat and a seat mounting seat which is arranged on the child seat and corresponds to the inserting seat, wherein the inserting seat is connected to the frame in a pin mode, the height adjusting mechanism for the seat further comprises an inserting seat locking mechanism arranged between the inserting seat and the frame, the inserting seat locking mechanism can enable the inserting seat to be locked with the frame at the high working position and the low working position of the inserting seat, and when the seat mounting seat is matched with the inserting seat in an inserting mode, locking gaps among the frame, the inserting seat and the inserting seat locking mechanism are eliminated.

Furthermore, the inserting seat is provided with an inserting part, and the upper end and the lower end of the inserting part can be inserted and assembled with the seat installation seat; the rotating point between the plug socket and the frame is positioned at one end of the plug socket; when the socket is in the low working position, one end of the inserting part faces upwards; when the socket is in the high working position, the other end of the inserting part faces upwards.

Furthermore, a limiting sliding block which can slide relative to the inserting part and extends out of the inserting part is arranged in the inserting part, a first spring is arranged between the limiting sliding block and the inserting part, and the limiting sliding block is correspondingly matched with one end of the locking mechanism of the inserting seat;

when the seat mounting seat is in splicing fit with the plugging seat, the limiting slide block is extruded to be contracted into the plugging part and tightly abuts against the plugging seat locking mechanism, so that the unlocking operation can not be realized;

when the seat mounting seat is separated from the plug socket, the limiting sliding block extends out of the plug socket part under the action of the first spring, and the limiting sliding block loosens the plug socket locking mechanism, so that the plug socket locking mechanism can realize unlocking operation.

Furthermore, the plug socket locking mechanism comprises a locking slide block which is inserted in the plug socket and can slide up and down relative to the plug socket, and a second spring is arranged between the locking slide block and the plug socket; the upper end of the locking slide block extends out of the plug socket to form an operation part, and the lower end of the locking slide block is inserted into the plug socket and corresponds to the inner side end of the limiting slide block; a locking part is convexly arranged on one side of the locking slide block, a limiting groove corresponding to the locking part is concavely arranged on the joint of the frame, the locking part extends out of the inserting seat and is embedded into the limiting groove, and the limiting groove comprises a movable groove part for the locking part to rotate, and an upper positioning groove part and a lower positioning groove part which are communicated with the upper side and the lower side of the movable groove part and correspond to the clamping connection of the locking part;

when the socket is in the low working position, the locking part of the locking slide block is clamped in the upper positioning groove part of the limiting groove, and the socket cannot rotate relative to the frame at the moment;

when the socket is in a high working position, the locking part of the locking slide block is clamped in the lower positioning groove part of the limiting groove, and the socket cannot rotate relative to the frame at the moment.

Furthermore, the plug socket and the rotating shaft of the frame are positioned in the center of the movable groove part of the limiting groove.

Furthermore, one end of the locking part of the locking slide block, which is inserted into the upper positioning groove part and the lower positioning groove part of the limiting groove, is an insertion end with a narrow outer part and a wide inner part; the upper positioning groove part and the lower positioning groove part are of narrow-outside and wide-inside groove structures matched with the inserting ends; when the seat mounting seat is in splicing fit with the plug socket, the limiting slide block is extruded and retracted into the splicing part, so that the locking part of the locking slide block is completely clamped in the upper positioning groove part or the lower positioning groove part of the limiting groove, and the locking clearance among the frame, the plug socket and the plug socket locking mechanism is eliminated.

Furthermore, the limiting slide block slides forwards and backwards, the exposed end of the limiting slide block is in a shape of a Chinese character 'ji', and the limiting slide block is provided with an upper inclined surface and a lower inclined surface.

Furthermore, grafting portion with the bayonet socket is detachable connection, one side that grafting portion is close to the bayonet socket has the installation groove that supplies spacing slider installation and gliding, one side of grafting portion has the confession the open slot that the outside end of spacing slider wore to establish.

Further, be equipped with the baffle in the mounting groove, the last breach that supplies first spring mounting that has of spacing slider, first spring one end supports establishes on the breach wall, and the other end supports establishes on the baffle.

Furthermore, an installation locking mechanism which can be used for locking the insertion part is arranged in the seat installation seat.

Furthermore, the matching surface of the plug socket and the frame is in a water-drop shape, and the rotating point of the plug socket and the frame is positioned at the upper end of the matching surface; the plug socket is rotatably connected to the folding joint of the frame.

The utility model has the advantages that:

1. the utility model discloses in the one end of bayonet socket is rotated with the frame and is connected, and it has the high operating position and the two not co-altitude operating position of low operating position, just bayonet socket locking mechanical system can realize locking spacingly at these two operating positions to the bayonet socket respectively, and this design can be according to the height at user demand adjustment seat, satisfies different user demands.

2. The utility model discloses when seat mount pad and the mating socket grafting, ensured the unable unblock of bayonet socket locking mechanical system, improved the security performance greatly, avoided the condition that the mistake unblock appears in the use.

3. The utility model discloses when seat mount pad and bayonet socket grafting cooperation, the spacing slider of internal contraction can make locking sliding block and last positioning groove portion or lower positioning groove portion realize the tight fit, eliminates the locking clearance, has prevented that the locking is not in place and has produced not hard up.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a certain angle when the seat mounting base of the present invention is inserted into the socket (the socket is in a low working position);

fig. 2 is a schematic structural view of another angle when the seat mounting seat of the present invention is inserted into the socket (the socket is in a low working position);

FIG. 3 is a schematic view of the seat mount of FIG. 1 at an angle with respect to the receptacle;

FIG. 4 is a schematic view of the seat mount of FIG. 2 at another angle relative to the receptacle;

fig. 5 to 8 are schematic views of the assembly structure of the present invention;

fig. 9 is a schematic structural diagram of the middle seat mounting seat of the present invention inserted into the socket (the socket is in the high working position).

Wherein: 1, a frame;

2, inserting a socket; 2-1 of a plug part; 2-1-1 mounting groove; 2-1-2 open slots; 2-1-2 open slots; 2-1-3 baffles;

3 a seat mounting seat;

4, a socket locking mechanism; 4-1 locking the slide block; 4-1-1 operation part; a 4-1-2 locking portion; 4-2 second springs; 4-3, a limiting groove; 4-3-1 activity slot; 4-3-2, positioning groove parts; 4-3-3 lower positioning groove part;

5, limiting a sliding block; 5-1, upward inclined surface; 5-2 lower inclined plane;

6 a first spring.

Detailed Description

The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present invention. The conditions used in the examples may be further adjusted according to specific conditions, and the conditions used in the experiments are not specifically mentioned.

As shown in fig. 1 to 9, a child seat height adjusting mechanism includes a frame 1, a plug socket 2, and a seat mounting seat 3 installed on the child seat and corresponding to the plug socket 2, wherein the plug socket 2 is pinned to the frame 1, the seat height adjusting mechanism further includes a plug socket locking mechanism 4 disposed between the plug socket 2 and the frame 1, and the plug socket locking mechanism 4 can lock the plug socket 2 and the frame 1 at two working positions, i.e., a high working position and a low working position of the plug socket 2. The height of the seat can be adjusted according to the use requirements by the design, and different use requirements are met.

In this embodiment, the inserting seat 2 is provided with an inserting part 2-1, the upper end and the lower end of which can be inserted and assembled with the seat mounting seat 3; the rotation point between the plug socket 2 and the frame 1 is positioned at one end of the plug socket 2; when the plug socket 2 is in a low working position, one end of the plug part 2-1 faces upwards; when the socket 2 is in the high working position, the other end of the plug part 2-1 faces upwards.

In this embodiment, the insertion part 2-1 is internally provided with a limiting sliding block 5 which can slide relative to the insertion part and extend out of the insertion part, a first spring 6 is arranged between the limiting sliding block 5 and the insertion part 2-1, and the limiting sliding block 5 is correspondingly matched with one end of the insertion seat locking mechanism 4. The design of the limiting slide block 5 is that when the seat mounting seat 3 is in splicing fit with the plug socket 2, the limiting slide block is extruded to retract into the plug part 2-1 and tightly supports the plug socket locking mechanism 4, so that the plug socket locking mechanism 4 cannot be unlocked, the safety performance is greatly improved, and the condition of mistakenly unlocking in the use process is avoided.

In this embodiment, the specific structure of the socket locking mechanism 4 is as follows: the plug socket locking mechanism 4 comprises a locking slide block 4-1 which is inserted in the plug socket 2 and can slide up and down relative to the plug socket, and a second spring 4-2 is arranged between the locking slide block 4-1 and the plug socket 2; the upper end of the locking slide block 4-1 extends out of the plug socket 2 to form an operation part 4-1-1, and the lower end of the locking slide block 4-1 is inserted into the plug socket 2 and corresponds to the inner side end of the limiting slide block 5; a locking part 4-1-2 is convexly arranged on one side of the locking slide block 4-1, a limiting groove 4-3 corresponding to the locking part 4-1-2 is concavely arranged on the joint of the frame 1, the locking part 4-1-2 extends out of the inserting seat to be embedded into the limiting groove 4-3, and the limiting groove 4-3 comprises a movable groove part 4-3-1 for the locking part 4-1-2 to rotate, and an upper positioning groove part 4-3-2 and a lower positioning groove part 4-3-3 which are communicated with the upper side and the lower side of the movable groove part 4-3-1 and correspond to the clamping connection of the locking part 4-1-2. Wherein, the rotation axis of the plug socket 2 and the frame 1 is positioned at the center of the movable groove part 4-3-1 of the limit groove 4-3. The structural design of the socket locking mechanism 4 can realize locking and limiting of the socket 2 at two working positions respectively.

In this embodiment, one end of the locking part 4-1-2 of the locking slider 4-1, which is inserted into the upper positioning groove part 4-3-2 and the lower positioning groove part 4-3-3 of the limiting groove 4-3, is an insertion end with a narrow outer part and a wide inner part; the upper positioning groove part 4-3-2 and the lower positioning groove part 4-3-3 are in narrow-outside and wide-inside groove structures matched with the inserting ends. The shape design of the insertion end and the shape design of the upper positioning groove part 4-3-2 and the lower positioning groove part 4-3-3 can avoid that the seat installation seat 3 is not tightly matched with the insertion seat 2 in the insertion matching process, and when the limiting slide block 5 is extruded and contracted into the insertion part 2-1, the locking part 4-1-2 of the locking slide block 4-1 is completely clamped on the upper positioning groove part 4-3-2 or the lower positioning groove part 4-3-3 of the limiting groove 4-3, so that the locking gaps among the frame 1, the insertion seat 2 and the insertion seat locking mechanism 4 are eliminated, and the looseness caused by the incomplete locking of the frame 1, the insertion seat 2 and the insertion seat locking mechanism 4 is prevented.

In this embodiment, the limiting slider 5 slides back and forth, and the exposed end of the limiting slider is in a shape of a Chinese character 'ji', and is provided with an upper inclined surface 5-1 and a lower inclined surface 5-2. The guide design of the upper inclined plane 5-1 and the lower inclined plane 5-2 can facilitate the limit slide block 5 to slide back and forth when the seat installation seat 3 is plugged in or separated from the plugging seat 2.

In this embodiment, the insertion part 2-1 is detachably connected to the insertion base 2, one side of the insertion part 2-1, which is close to the insertion base 2, is provided with an installation groove 2-1-1 for installing and sliding the limit slider 5, and one side of the insertion part 2-1 is provided with an open groove 2-1-2 for the exposed end of the limit slider 5 to penetrate through. The mounting groove 2-1-1 is internally provided with a baffle 2-1-3, the limiting slide block 5 is provided with a notch for mounting the first spring 6, one end of the first spring 6 abuts against the wall of the notch, and the other end of the first spring 6 abuts against the baffle 2-1-3. The design not only can facilitate the assembly of the limiting slide block 5, but also can reduce the whole volume of the insertion part as much as possible.

In this embodiment, the seat mounting base 3 is provided therein with a mounting and locking mechanism for locking the insertion part 2-1. The installation locking mechanism can lock the plugging part 2-1 when the plugging seat 2 is at a high working position and a low working position. Since the installation locking mechanism has various structures, no specific structural limitation and explanation are made herein.

In this embodiment, the socket 3 is rotatably connected to the folding joint of the frame 1; the matching surface of the plug socket 3 and the frame 1 is in a water-drop shape, and the rotating point of the plug socket 3 and the frame 1 is positioned at the upper end of the matching surface. The arrangement position of the plug socket 3 is only the preferred mode of the embodiment, which is convenient for reducing the volume of the whole vehicle, but is not limited to this position.

The utility model discloses a theory of operation does:

when the seat mounting seat 3 is in splicing fit with the plug socket 2, the limiting slide block 5 is extruded to be contracted into the splicing part 2-1 and tightly abuts against the plug socket locking mechanism 4, so that unlocking operation cannot be realized; meanwhile, when the limiting slide block 5 abuts against the plug socket locking mechanism 4, the locking part 4-1-2 of the locking slide block 4-1 is forced to be completely clamped on the upper positioning groove part 4-3-2 or the lower positioning groove part 4-3-3 of the limiting groove 4-3.

When the seat mounting seat 3 is separated from the inserting seat 2, the limiting sliding block 5 extends out of the inserting part 2-1 under the action of the first spring 6, the limiting sliding block 5 loosens the inserting seat locking mechanism 4 at the moment, the inserting seat locking mechanism 4 can realize unlocking operation, and the height of the seat can be adjusted according to use requirements at the moment.

When the socket 2 is at a low working position, the locking part 4-1-2 of the locking slide block 4-1 is clamped in the upper positioning groove part 4-3-2 of the limiting groove 4-3, and the socket 2 cannot rotate relative to the frame 1;

when the socket 2 is in a high working position, the locking part 4-1-2 of the locking slide block 4-1 is clamped in the lower positioning groove part 4-3-3 of the limiting groove 4-3, and the socket 2 cannot rotate relative to the frame 1.

When the seat mounting seat 3 is in splicing fit with the plug socket 2, the utility model ensures that the plug socket locking mechanism 4 can not be unlocked, greatly improves the safety performance, and avoids the situation of mistaken unlocking in the use process; in addition, when the seat installation seat 3 is in splicing fit with the plug socket 2, the locking sliding block 4-1 is promoted to be tightly matched with the upper positioning groove part 4-3-2 or the lower positioning groove part 4-3-3, and the situation that the locking sliding block and the upper positioning groove part are not locked in place and are loosened is prevented.

The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. In addition to the above embodiments, other embodiments of the present invention are also possible. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the scope of the present invention as claimed.

Claims (10)

1. The utility model provides a children's seat height adjusting mechanism, includes frame (1), bayonet socket (2) and installs seat mount pad (3) that just corresponds with bayonet socket (2) on children's seat, bayonet socket (2) pin joint is on frame (1), its characterized in that: the seat height adjusting mechanism further comprises a plug socket locking mechanism (4) arranged between the plug socket (2) and the frame (1), the plug socket locking mechanism (4) can enable the plug socket (2) to be locked with the frame (1) at the high working position and the low working position of the plug socket (2), and when the seat mounting seat (3) is in plug fit with the plug socket (2), locking gaps among the frame (1), the plug socket (2) and the plug socket locking mechanism (4) are eliminated.

2. A child seat height adjustment mechanism according to claim 1, wherein: the inserting seat (2) is provided with an inserting part (2-1) the upper end and the lower end of which can be inserted and assembled with the seat mounting seat (3); the rotation point between the plug socket (2) and the frame (1) is positioned at one end of the plug socket (2); when the plug socket (2) is in a low working position, one end of the plug part (2-1) faces upwards; when the plug socket (2) is in a high working position, the other end of the plug part (2-1) faces upwards.

3. A child seat height adjustment mechanism according to claim 2, wherein: a limiting sliding block (5) which can slide relative to the inserting part and extends out of the inserting part is arranged in the inserting part (2-1), a first spring (6) is arranged between the limiting sliding block (5) and the inserting part (2-1), and the limiting sliding block (5) is correspondingly matched with one end of the inserting seat locking mechanism (4);

when the seat mounting seat (3) is in splicing fit with the plugging seat (2), the limiting slide block (5) is extruded to be contracted into the plugging part (2-1) and tightly abuts against the plugging seat locking mechanism (4), so that the unlocking operation can not be realized;

when the seat mounting seat (3) is separated from the plug socket (2), the limiting sliding block (5) extends out of the plug part (2-1) under the action of the first spring (6), the limiting sliding block loosens the plug socket locking mechanism (4), and the plug socket locking mechanism (4) can realize unlocking operation.

4. A child seat height adjustment mechanism according to claim 3, wherein: the plug socket locking mechanism (4) comprises a locking sliding block (4-1) which is inserted in the plug socket (2) and can slide up and down relative to the plug socket, and a second spring (4-2) is arranged between the locking sliding block (4-1) and the plug socket (2); the upper end of the locking sliding block (4-1) extends out of the plug socket (2) to form an operation part (4-1-1), and the lower end of the locking sliding block (4-1) is inserted into the plug socket (2) and corresponds to the inner side end of the limiting sliding block (5); a locking part (4-1-2) is convexly arranged on one side of the locking slide block (4-1), a limiting groove (4-3) corresponding to the locking part (4-1-2) is concavely arranged on the connection part of the frame (1), the locking part (4-1-2) extends out of the plug socket and is embedded into the limiting groove (4-3), and the limiting groove (4-3) comprises a movable groove part (4-3-1) for the locking part (4-1-2) to rotate, and an upper positioning groove part (4-3-2) and a lower positioning groove part (4-3-3) which are communicated with the upper side and the lower side of the movable groove part (4-3-1) and correspond to the clamping of the locking part (4-1-2);

when the plug socket (2) is in a low working position, the locking part (4-1-2) of the locking slide block (4-1) is clamped in the upper positioning groove part (4-3-2) of the limiting groove (4-3), and the plug socket (2) cannot rotate relative to the frame (1);

when the plug socket (2) is in a high working position, the locking part (4-1-2) of the locking slide block (4-1) is clamped in the lower positioning groove part (4-3-3) of the limiting groove (4-3), and the plug socket (2) cannot rotate relative to the frame (1).

5. A child seat height adjustment mechanism according to claim 4, wherein: the rotation shafts of the plug socket (2) and the frame (1) are positioned at the central position of the movable groove part (4-3-1) of the limit groove (4-3).

6. A child seat height adjustment mechanism according to claim 4, wherein: one end of the locking part (4-1-2) of the locking slide block (4-1) which is inserted into the upper positioning groove part (4-3-2) and the lower positioning groove part (4-3-3) of the limiting groove (4-3) is an insertion end with a narrow outer part and a wide inner part; the upper positioning groove part (4-3-2) and the lower positioning groove part (4-3-3) are of narrow-outside and wide-inside groove structures matched with the inserting end; when the seat mounting seat (3) is in splicing fit with the splicing seat (2), the limiting slide block (5) is extruded and contracted into the splicing part (2-1), so that the locking part (4-1-2) of the locking slide block (4-1) is completely clamped in the upper positioning groove part (4-3-2) or the lower positioning groove part (4-3-3) of the limiting groove (4-3), and the locking clearance among the frame (1), the splicing seat (2) and the splicing seat locking mechanism (4) is eliminated.

7. A child seat height adjustment mechanism according to claim 3 or 4, wherein: the limiting sliding block (5) slides forwards and backwards, the exposed end of the limiting sliding block is in a shape of a Chinese character 'ji', and the limiting sliding block is provided with an upper inclined surface (5-1) and a lower inclined surface (5-2).

8. A child seat height adjustment mechanism according to claim 3 or 4, wherein: the plug-in part (2-1) and the plug-in seat (2) are detachably connected, one side of the plug-in part (2-1) close to the plug-in seat (2) is provided with a mounting groove (2-1-1) for mounting and sliding the limiting slide block (5), and one side of the plug-in part (2-1) is provided with an open groove (2-1-2) for the exposed end of the limiting slide block (5) to penetrate through.

9. A child seat height adjustment mechanism according to claim 8, wherein: the mounting groove (2-1-1) is internally provided with a baffle (2-1-3), the limiting slide block (5) is provided with a notch for mounting the first spring (6), one end of the first spring (6) abuts against the wall of the notch, and the other end of the first spring abuts against the baffle (2-1-3).

10. A child seat height adjustment mechanism according to claim 2, wherein: the seat mounting seat (3) is internally provided with a mounting and locking mechanism which can be used for locking the insertion part (2-1).

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