CN208085788U - Seat structure of baby carriage - Google Patents

Abstract

The utility model discloses a seat structure of perambulator, including seat main part and back, the seat main part includes the articulated seat of seat support piece and seat, the back includes the back pole and rotates the articulated seat of back of being connected with the articulated seat of seat, the position that the back stops includes the folding position that its relative seat main part rotated back is in fold condition and is in the exhibition position of expansion state, still be connected with preceding handrail on the articulated seat of seat, preceding handrail includes the handrail pole and rotates the articulated seat of handrail of being connected with the articulated seat of seat, be equipped with between back and the seat main part and enable the back and keep the kayser in the expansion position, be equipped with between the articulated seat of back and the articulated seat of handrail and enable the relative seat main part of preceding handrail and keep locking when the back is in the exhibition position, and enable the relative seat main part unblock of preceding handrail and folding locking and unlocking device when the back is in folding position. The utility model discloses simple structure realizes preceding handrail and back linkage to make the operation simpler, reduce cost moreover.

Description

A kind of seat structure of perambulator

【Technical field】

The utility model is related to a kind of seat structures of perambulator.

【Background technology】

Perambulator has become indispensable product during baby development.But the seat structure of traditional perambulator There are following deficiencies：The seat structure of conventional pushchair includes seat body, backrest and preceding handrail, but preceding handrail is and seat What position main body or backrest individually connected, linkage is can not achieve, in folding of baby, then first folding backrest is helped before folding again Hand, operating procedure is more, operates cumbersome.And it due to can not achieve linkage, needs that individual locking mechanism is arranged, leads Cause entire seat structure more complicated, parts are more, and cost is higher.

Therefore, the utility model is based on above deficiency and generates.

【Utility model content】

The utility model aim is to overcome the deficiencies in the prior art, provides a kind of simple in structure, handrail and is leaned on before realizing Back of the body linkage, so that operation is simpler, and reduces the seat structure of the perambulator of cost.

The utility model is achieved through the following technical solutions：

A kind of seat structure of perambulator, it is characterised in that：Including 1 rotation of seat body 1 and energy relative thereto main body Backrest 2, the seat body 1 includes seat support 11 and the seat hinged seat 12 being located on seat support 11, described Backrest 2 include back support bar 21 and the backrest hinged seat 22 that is connected in back support bar 21 and is rotatablely connected with seat hinged seat 12, The position that the backrest 2 stops includes the folding position of folded state being in after its relative thereto main body 1 rotates and in expansion The expansion position of state is also associated with the preceding handrail 3 that can be rotated to it, the preceding handrail 3 on the seat hinged seat 12 Including bar 31 and the handrail hinged seat 32 for being connected on bar 31 and being rotatablely connected with seat hinged seat 12, described leans on The back of the body 2 and seat body 1 between be equipped with can make backrest 2 be maintained at expansion position buckling and locking device 4, the backrest hinged seat 22 with help Between hand hinged seat 32 be equipped with backrest 2 be in expansion position when can make before 3 relative thereto main body 1 of handrail keep locking and by Locking and the tripper 5 of the unlock of 3 relative thereto main body 1 of handrail and folding before capable of making when the back of the body 2 is in folding position.

The seat structure of perambulator as described above, it is characterised in that：The buckling and locking device 4 includes being located at seat to be hinged Seat 12 inner walls on and peripherally disposed multiple card slots 41, set between the seat hinged seat 12 and backrest hinged seat 22 There is the bayonet lock 42 that can be slided in the two and engage with card slot 41, bayonet lock 42 and card can be pulled by being equipped in the back support bar 21 The drag-line 43 that slot 41 is detached from is additionally provided with the holding spring that bayonet lock 42 can be made to engage with the holding of card slot 41 in the back support bar 21 44。

The seat structure of perambulator as described above, it is characterised in that：The locking includes being located to help with tripper 5 Lock hole 51 on hand hinged seat 32 is set in 22 three of the handrail hinged seat 32, seat hinged seat 12 and backrest hinged seat There are the sliding pin assemblies 52 that can laterally slide and can engage with lock hole 51, the backrest hinged seat 22, which is equipped with, works as backrest 2 can abut against sliding pin assemblies 52 and sliding pin assemblies 52 is made to keep what is engaged to abut against portion with lock hole 51 when resting on expansion position 53, the described portion 53 that abuts against is to raise up from 22 bottom of backrest hinged seat and circumferentially extending arc boss, described Arc boss and the bottom of backrest hinged seat 22 between be equipped with backrest 2 from folding position turn to expansion position when can and sliding pin Component 52 coordinates and will slide the inclined surface 54 of 52 jacking lock hole 51 of pin assemblies, is additionally provided in the seat hinged seat 12 Backrest 2 can will slide the thrust spring 55 of the release out of lock hole 51 of pin assemblies 52 when turning to folding position from expansion position.

The seat structure of perambulator as described above, it is characterised in that：The sliding pin assemblies 52 include and lock hole The lock pins 521 of 51 cooperations and end can with the portion that abuts against 53 and inclined surface 54 against sliding sleeve 522, the lock pin 521 is inserted into It can slide in sliding sleeve 522 and in sliding sleeve 522, buffer spring be additionally provided between the sliding sleeve 522 and lock pin 521 523。

The seat structure of perambulator as described above, it is characterised in that：The handrail hinged seat 32 and backrest hinged seat The driving part 6 for being additionally provided with the rotation of handrail 3 before capable of being driven when backrest 2 turns to expansion position from folding position between 22 and being unfolded.

The seat structure of perambulator as described above, it is characterised in that：The driving part 6 includes exposing to handrail hinge Joint chair 32 and the slide post 61 that can be slided in handrail hinged seat 32, are equipped between the handrail hinged seat 32 and slide post 61 The resetting spring that slide post 61 can be pushed to reset, the backrest hinged seat 22 is equipped with can touch when it is turning with slide post 61 Touch the sloping platform rank 62 in turn by preceding handrail 3 with rotation.

Compared with prior art, the utility model has the following advantages：

1, the handrail hinged seat of the utility model and backrest hinged seat are rotatably connected on seat hinged seat, and backrest is in phase Folding position and expansion position can be rested on after being rotated to seat hinged seat, when backrest rests on folding position, preceding handrail is also received Folding, entire seat structure is by folding, and easy to carry, when backrest rests on expansion position, perambulator can ride in seat, this When before handrail be also unfolded and for baby grasp, it is ensured that safety, and lock with tripper then ensure backrest be in expansion position when Handrail relative thereto main body keeps locking before capable of making, at this time before handrail grasped for baby, when backrest be in folding position locking and Handrail relative thereto main body is unlocked and is folded before tripper can make, so backrest can make when being moved to folding position from expansion position Handrail follows rotation before obtaining, and realizes the linkage of backrest and preceding handrail so that operation is simpler, but also entire seat structure is simpler Single, cost is less expensive.

2, backrest can be made to rest on by the cooperation of bayonet lock and card slot when the backrest of the utility model is located at expansion position On multiple angle gears, that is, when backrest expansion is rided in for baby in seat, user can adjust the angle of backrest, to Baby is set to be on relatively comfortable position, and during actually adjusting, by pulling drag-line can be by bayonet lock from a card slot Interior extraction, after rotating backrest certain angle, bayonet lock is aligned with other card slot, keep spring push bayonet lock again and make bayonet lock and Other card slot engaging, to enable the backrest after adjustment angle to position, it is very easy that whole operation adjusts process.

3, when the backrest of the utility model is moved to folding position from expanded position, bayonet lock is detached from card slot, is then rotated Backrest hinged seat, for backrest in the rotation process in expansion position, the portion of abutting against on backrest hinged seat just withstands on always sliding pin On component, to make sliding pin assemblies engage with the lock hole on handrail hinged seat always, preceding handrail cannot rotate at this time, also It is to say, no matter when backrest is in which angle gear of expansion position, preceding handrail is all unable to the unlock of relative thereto hinged seat and rolls over It is folded, at this time before handrail may be at unfolded state always and grasped for baby, and when backrest needs to be folded to folding position, when by When being folded backwards to preceding rotation, the inclined surface on backrest hinged seat just coordinates with sliding pin component slippage, then backrest hinged seat Just the transverse shifting for sliding pin assemblies has conceded spatial position, and the thrust spring in seat hinged seat will just slide pin bank at this time Part is released out of lock hole, at this time before handrail unlock, preceding handrail can rotate and folding forward, so in backrest from expansion displacement During moving to folding position, preceding handrail is with regard to automatic folding, it is no longer necessary to which handrail before individually folding operates very simple fast It is prompt.

4, the sliding pin assemblies of the utility model include the lock pin coordinated with lock hole and end can with abut against portion and inclination Face against sliding sleeve, lock pin is inserted in sliding sleeve and can be slided in sliding sleeve, is additionally provided between sliding sleeve and lock pin slow Rush spring.So when backrest turns to expanded position from folding position, inclined surface can gradually top pressure sliding sleeve, due to lock pin It can be slided in sliding sleeve, so when lock pin is not aligned with lock hole, the opposite sliding sleeve of lock pin meeting slides, if lock pin is not The opposite sliding sleeve of energy slides, and in inclined surface when gradually top pressure sliding sleeve, lock pin can withstand on the bottom of handrail hinged seat and cause to push up Dead situation, and then the case where cause backrest hinged seat that cannot be rotated further, so when lock pin is slided with respect to sliding sleeve, backrest hinge Joint chair can continue to turn to expansion position, and after backrest reaches expansion position, the portion of abutting against just is withstood on sliding sleeve, at this time buffer spring It is compressed, it is rotated up preceding handrail at this time, handrail is worked as in its bottom sliding opposite with lock pin again in rotation process of handrail hinged seat When hinged seat turns to lock hole and is aligned with lock pin, buffer spring pushes lock pin and lock pin is made to engage with lock hole again, whole knot Structure design is very simple ingenious.

5, the handrail hinged seat of the utility model is equipped with exposed slide post, and backrest hinged seat is equipped with sloping platform rank, when During backrest turns to expansion position from folding position, sloping platform rank can touch slide post, therefore using between sloping platform rank and slide post Frictional force and make backrest in rotation process also with preceding handrail be unfolded, though to realize backrest from expansion position be moved to Folding position, or it is moved to expansion position from folding position, it can together link with preceding handrail so that operation is more simple and efficient.

6, the utility model is simple in structure, easy to operate, suitable popularization and application of low cost.

【Description of the drawings】

Fig. 1 is the utility model stereogram；

Fig. 2 is side view one of of the utility model when backrest is located at expansion position；

Fig. 3 is the two of side view of the utility model when backrest is located at expansion position；

Fig. 4 is the three of side view of the utility model when backrest is located at expansion position；

Fig. 5 is side view of the utility model when backrest is located at folding position；

Fig. 6 is stereogram of the utility model when backrest is located at folding position；

Fig. 7 is the exploded view of the utility model；

Fig. 8 is the enlarged view at A in Fig. 7；

Fig. 9 is one of the stereogram of the backrest hinged seat of the utility model；

Figure 10 is the stereogram after the backrest hinged seat cutting of the utility model；

Figure 11 is the sectional view of the utility model；

Figure 12 is the enlarged view at B in Figure 11；

Figure 13 is the stereogram of the preceding handrail of the utility model；

Figure 14 is the stereogram of the component of the utility model；

Figure 15 is the enlarged view at C in Figure 14；

Figure 16 is the two of the stereogram of the backrest hinged seat of the utility model.

【Specific implementation mode】

The utility model is further described below in conjunction with the accompanying drawings：

Such as Fig. 1 to Fig. 8, shown in Figure 11 and Figure 12, a kind of seat structure of perambulator, including seat body 1 and can be opposite The backrest 2 that seat body 1 rotates, the seat body 1 include seat support 11 and the seat being located on seat support 11 Position hinged seat 12, the backrest 2 include back support bar 21 and are connected in back support bar 21 and are rotatablely connected with seat hinged seat 12 Backrest hinged seat 22, the backrest 2 stop position include its relative thereto main body 1 rotation after be in folded state folding Position and the expansion position in unfolded state are folded, the preceding handrail 3 that can be rotated to it is also associated on the seat hinged seat 12, The preceding handrail 3 includes bar 31 and is connected on bar 31 and the handrail being rotatablely connected with seat hinged seat 12 is hinged Seat 32 is equipped with the buckling and locking device 4 that backrest 2 can be made to be maintained at expansion position between the backrest 2 and seat body 1, described leans on 3 relative thereto main body 1 of handrail before when backrest 2 is in expansion position capable of making is equipped between back of the body hinged seat 22 and handrail hinged seat 32 to protect Hold locking and before capable of making when backrest 2 is in folding position the unlock of 3 relative thereto main body 1 of handrail and the locking that folds filled with unlock Set 5.Handrail hinged seat 32 and backrest hinged seat 22 are rotatably connected on seat hinged seat 12, and backrest 2 is hinged in relative thereto Folding position and expansion position can be rested on after 12 rotation of seat, when backrest 2 rests on folding position, preceding handrail 3 is also by folding, entirely Seat structure is in folding state, easy to carry, and when backrest 2 rests on expansion position, perambulator can ride in seat, this When before handrail 3 be also unfolded and for baby grasp, it is ensured that safety, and lock with unlock fill, 5 ensure backrest 2 be in expansion position When can make before handrail 3 relative thereto main body 1 keep locking, at this time before handrail grasped for baby, locked when backrest 2 is in folding position 3 relative thereto main body 1 of handrail is unlocked and is folded before fixed and tripper 5 can make, so backrest 2 is being moved to folding from expansion position Handrail 3 follows rotation before making when position, realizes the linkage of backrest 2 and preceding handrail 3 so that operation is simpler, but also entire seat Bit architecture is simpler, and cost is less expensive.

As shown in Fig. 2 to Fig. 8, the buckling and locking device 4 includes being located on 12 inner wall of seat hinged seat and along the circumferential direction The multiple card slots 41 being arranged, between the seat hinged seat 12 and backrest hinged seat 22 be equipped with can be slided in the two and with card The bayonet lock 42 that slot 41 engages, the back support bar 21 is interior equipped with the drag-line 43 that bayonet lock 42 can be pulled to be detached from card slot 41, described Back support bar 21 in be additionally provided with bayonet lock 42 and card slot 41 can be made to keep the holding spring 44 engaged.As shown in Figure 2, Figure 3 and Figure 4, Backrest 2 can rest on when being located at expansion position on multiple angle gears, that is, be unfolded to ride in seat for baby in backrest 2 When, user can adjust the angle of backrest 2, to make baby be on relatively comfortable position.As shown in Figure 7 and Figure 8, backrest 2 When position is unfolded and adjusts the angle gear of backrest 2, backrest 2 is just set to rest on multiple folders by the cooperation of bayonet lock and 42 card slots 41 On the gear of angle, by pulling drag-line 43 that can extract bayonet lock 42 out of a card slot 41, after rotating 2 certain angle of backrest, Bayonet lock 42 is aligned with other card slot 41, keeps spring 44 to push bayonet lock 42 again and bayonet lock 42 is made to engage with other card slot 41, To enable the backrest after adjustment angle 2 to position, it is very easy that whole operation adjusts process.

As shown in Fig. 9 to Figure 13, the locking includes the lock hole being located on handrail hinged seat 32 with tripper 5 51, being equipped in the handrail hinged seat 32, seat hinged seat 12 and 22 three of backrest hinged seat can laterally slide and can be with The sliding pin assemblies 52 that lock hole 51 engages, the backrest hinged seat 22 is equipped with can when backrest 2 rests on expansion position It abuts against sliding pin assemblies 52 and sliding pin assemblies 52 is made to keep what is engaged to abut against portion 53 with lock hole 51, the portion 53 that abuts against is It raises up from 22 bottom of backrest hinged seat and circumferentially extending arc boss, the arc boss is hinged with backrest Being equipped between the bottom of seat 22 when backrest 2 turns to expansion position from folding position can be with the cooperation of sliding pin assemblies 52 and by sliding pin The inclined surface 54 of 52 jacking lock hole 51 of component is additionally provided in the seat hinged seat 12 and is turned to from expansion position in backrest 2 The thrust spring 55 of the release out of lock hole 51 of pin assemblies 52 can will be slided when folding position.As shown in Fig. 4 to Figure 13, backrest 2 from When expanded position is moved to folding position, bayonet lock 42 and card slot 41 are detached from, and then rotate backrest hinged seat 22, backrest 2 in It is unfolded in the rotation process of position, the portion 53 that abuts against on backrest hinged seat 22 is just withstood on always on sliding pin assemblies 52, to make cunning Dynamic pin assemblies 52 engage with the lock hole 51 on handrail hinged seat 32 always, and preceding handrail 3 cannot rotate at this time, that is to say, that when No matter backrest 2 is in which angle gear of expansion position, preceding handrail 3 is all unable to the unlock of relative thereto hinged seat 12 and folds, Preceding handrail 3 may be at always unfolded state and be grasped for baby at this time, and when backrest 2 needs to be folded to folding position, when by When the back of the body 2 is rotated forward and folded, the inclined surface 54 on backrest hinged seat 22 is just slidably matched with sliding pin assemblies 52, then backrest Transverse shifting of the hinged seat 22 just for sliding pin assemblies 52 has conceded spatial position, at this time the thrust spring in seat hinged seat 12 55 will just slide pin assemblies 52 releases out of lock hole 51, and preceding handrail 3 unlocks at this time, and preceding handrail 3 can rotate and folding forward, So during backrest 2 is moved to folding position from expansion position, preceding handrail 3 is with regard to automatic folding, it is no longer necessary to before individually folding Handrail 3, operation are very simple and fast.

As shown in figure 12, the sliding pin assemblies 52 include the lock pin 521 coordinated with lock hole 51 and end can be with top Relying part 53 and inclined surface 54 against sliding sleeve 522, the lock pin 521 is inserted in sliding sleeve 522 and can be in sliding sleeve 522 It inside slides, buffer spring 523 is additionally provided between the sliding sleeve 522 and lock pin 521.So such as Fig. 9 to Figure 12, when backrest 2 When turning to expansion position from folding position, gradually top pressure sliding sleeve 522 is understood in inclined surface 54, since lock pin 521 can be in sliding sleeve 522 It inside slides, so when lock pin 521 is not aligned with lock hole 51, lock pin 521 can slide sliding sleeve 522 relatively, if lock pin 521 It cannot be slided with respect to sliding sleeve 522, in inclined surface 54 when gradually top pressure sliding sleeve 522, lock pin 521 can withstand on handrail hinged seat 32 Bottom and cause dieback situation, and then the case where cause backrest hinged seat 22 that cannot be rotated further, so opposite in lock pin 521 When sliding sleeve 522 slides, backrest hinged seat 22 can continue to turn to expansion position, after backrest 2 reaches expansion position, abut against portion 54 It just withstands on sliding sleeve 522, buffer spring 523 is compressed at this time, handrail 3 before being rotated up at this time, and handrail hinged seat 32 is turning Its bottom is opposite with lock pin 521 during dynamic slides, when handrail hinged seat 32, which turns to lock hole 51, to be aligned with lock pin 521, Buffer spring 523 pushes lock pin 521 and lock pin 521 is made to engage with lock hole 51 again, and total design is very simple ingenious.

As shown in Figure 14 to Figure 16, be additionally provided between the handrail hinged seat 32 and backrest hinged seat 22 backrest 2 from The driving part 6 of the rotation of handrail 3 and expansion before folding position can drive when turning to expansion position.Driving part 6 makes backrest 2 from folding Handrail 3 follows the position that turns to and can be grasped for baby before folded position makes when turning to expansion position, it is no longer necessary to individually be helped before rotation Hand 3 keeps operation easier.

As shown in Figure 14 to Figure 16, the driving part 6 includes exposing to handrail hinged seat 32 and capable of being hinged in handrail The slide post 61 slided in seat 32, the reset of slide post 61 can be pushed by being equipped between the handrail hinged seat 32 and slide post 61 Resetting spring (is not drawn into) in figure, and the backrest hinged seat 22, which is equipped with to touch with slide post 61 when it is turning, in turn will Preceding handrail 3 with rotation sloping platform rank 62.So during backrest 2 turns to expansion position from folding position, sloping platform rank 62 can touch Slide post 61 is touched, resetting spring can be slightly compressed, therefore makes using the frictional force between sloping platform rank 62 and slide post 61 Backrest 2 is also unfolded with preceding handrail 3 in rotation process, no matter to realize the backrest 2 of the utility model from expansion displacement It moves to folding position, or expansion position is moved to from folding position, can together link with preceding handrail 3 so that operation is easier to be fast It is prompt.

Claims (6)

1. a kind of seat structure of perambulator, it is characterised in that：It is rotated including seat body (1) and energy relative thereto main body (1) Backrest (2), the seat body (1) includes that seat support (11) and the seat being located on seat support (11) are hinged Seat (12), the backrest (2) include back support bar (21) and are connected in back support bar (21) and are rotated with seat hinged seat (12) The backrest hinged seat (22) of connection, the position that the backrest (2) stops include after its relative thereto main body (1) rotates in folding The folding position of overlapping state and expansion position in unfolded state, being also associated on the seat hinged seat (12) can its opposite turn Dynamic preceding handrail (3), the preceding handrail (3) include bar (31) and be connected on bar (31) and with seat hinged seat (12) the handrail hinged seat (32) being rotatablely connected, being equipped between the backrest (2) and seat body (1) can be such that backrest (2) protects The buckling and locking device (4) in expansion position is held, is equipped in backrest (2) between the backrest hinged seat (22) and handrail hinged seat (32) Preceding handrail (3) relative thereto main body (1) can be enable to keep locking when in expansion position and made when backrest (2) is in folding position Locking and the tripper (5) of preceding handrail (3) relative thereto main body (1) unlock and folding.

2. the seat structure of perambulator according to claim 1, it is characterised in that：The buckling and locking device (4) includes setting On seat hinged seat (12) inner wall and peripherally disposed multiple card slots (41), the seat hinged seat (12) with lean on The bayonet lock (42) that can be slided in the two and engage with card slot (41), the back support bar (21) are equipped between back of the body hinged seat (22) Interior to be equipped with the drag-line (43) that bayonet lock (42) be pulled to be detached from card slot (41), card can be made by being additionally provided in the back support bar (21) Pin (42) keeps the holding spring (44) engaged with card slot (41).

3. the seat structure of perambulator according to claim 1 or 2, it is characterised in that：The locking and tripper (5) include being located at lock hole (51) on handrail hinged seat (32), the handrail hinged seat (32), seat hinged seat (12) and The sliding pin assemblies (52) that can laterally slide and can engage with lock hole (51) are equipped in backrest hinged seat (22) three, it is described Backrest hinged seat (22) be equipped with when backrest (2) rest on expansion position when can abut against slide pin assemblies (52) and make sliding pin Component (52) abuts against portion (53) with what lock hole (51) kept engaging, and the portion (53) that abuts against is from backrest hinged seat (22) bottom Portion raises up and circumferentially extending arc boss, between the arc boss and the bottom of backrest hinged seat (22) Sliding pin assemblies (52) are pushed up equipped with that can coordinate with sliding pin assemblies (52) when backrest (2) turns to expansion position from folding position Into the inclined surface (54) of lock hole (51), it is additionally provided in the seat hinged seat (12) and is turned to from expansion position in backrest (2) The thrust spring (55) of pin assemblies (52) release out of lock hole (51) can will be slided when folding position.

4. the seat structure of perambulator according to claim 3, it is characterised in that：The sliding pin assemblies (52) include With lock hole (51) cooperation lock pin (521) and end can with the portion that abuts against (53) and inclined surface (54) against sliding sleeve (522), The lock pin (521) is inserted in sliding sleeve (522) and can be slided in sliding sleeve (522), the sliding sleeve (522) and Buffer spring (523) is additionally provided between lock pin (521).

5. the seat structure of perambulator according to claim 1, it is characterised in that：The handrail hinged seat (32) with lean on Being additionally provided between back of the body hinged seat (22) can drive preceding handrail (3) to rotate and open up when backrest (2) turns to expansion position from folding position The driving part (6) opened.

6. the seat structure of perambulator according to claim 5, it is characterised in that：The driving part (6) includes outer The slide post (61) that is exposed to handrail hinged seat (32) and can be slided in handrail hinged seat (32), the handrail hinged seat (32) The resetting spring that slide post (61) can be pushed to reset is equipped between slide post (61), the backrest hinged seat (22) is equipped with It can be touched when it is turning with slide post (61) and then by preceding handrail (3) with the sloping platform rank (62) of rotation.