CN213502545U - Headrest structure of children's carriage - Google Patents

Abstract

The utility model relates to a children's shallow headrest structure. The utility model discloses a child stroller headrest structure, which comprises a backrest and a headrest assembly; the headrest assembly comprises a headrest main body and a height adjusting piece in linear sliding connection with the headrest main body; the height adjusting piece is provided with a height adjusting body; the headrest main body is in linear sliding connection with the backrest; the backrest is provided with a headrest base, and the headrest base is provided with at least two height adjusting grooves; the headrest base and the height adjusting body are both positioned in the headrest main body; the height adjusting body is inserted into the height adjusting groove. The utility model can adjust the height of the headrest main body and fix the headrest main body, and is safe; the head can not be propped by the convex height adjusting piece when leaning against the headrest main body, so that the comfort can be improved; after the height of the headrest main body is adjusted, the height adjusting piece can automatically reset to realize height fixation, and the headrest is convenient to use.

Description

Headrest structure of children's carriage

Technical Field

The utility model relates to a children's shallow technical field, in particular to children's shallow headrest structure.

Background

The folding stroller generally comprises a pushing assembly, a supporting assembly and a folding assembly, wherein the folding assembly comprises a folding connecting piece, and the pushing assembly and the supporting assembly are respectively hinged with the folding connecting piece.

A seat structure of a conventional stroller includes a seat assembly; the seat assembly comprises a seat pan, i.e. a backrest, which is hinged to the seat pan by means of bolts.

In a conventional headrest structure of a stroller, a headrest is generally fixed to a backrest.

In summary, the prior art has at least the following technical problems,

first, when folding children's shallow, the pushing hands subassembly need rotate great angle, just can reach fold condition, and the convenience is relatively poor.

Second, the fully unfolded state or the folded state of the backrest is difficult to maintain, which is inconvenient.

Thirdly, the height of the headrest can not be adjusted, so that the headrest can not adapt to the requirements of children with different heights or trapezoids, and the universality is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve or alleviate the above-mentioned third technical problem.

The utility model adopts the measure that the child stroller headrest structure comprises a backrest and a headrest assembly; the headrest assembly comprises a headrest main body and a height adjusting piece in linear sliding connection with the headrest main body; the height adjusting piece is provided with a height adjusting body; the headrest main body is in linear sliding connection with the backrest; the backrest is provided with a headrest base, and the headrest base is provided with at least two height adjusting grooves; the headrest base and the height adjusting body are both positioned in the headrest main body; the height adjusting body is inserted into the height adjusting groove.

The utility model discloses the function of realization does, the altitude mixture control body immigration in the head rest main part or shift out the altitude mixture control groove in the head rest main part.

The utility model discloses the effect that reaches does, can adjust the height of head rest main part and fixed, simultaneously relatively safe.

According to the technical scheme, a headrest groove is formed in the backrest, a base connecting body connected with the headrest base is fixedly arranged on the side face of the headrest groove, a headrest connecting groove is formed in the headrest main body, the base connecting body penetrates through the headrest connecting groove in a fitting mode, and two sides of the headrest main body are respectively fitted with two sides of the headrest groove.

According to the further technical scheme, a headrest outer edge groove is formed in the side face of the headrest groove, the front side of the headrest main body extends outwards to form a headrest outer edge, and the headrest outer edge is inserted into the headrest outer edge groove.

The bearing capacity of the headrest main body can be further improved, and the safety is improved.

The headrest main body is roughly vertical and is divided into a first headrest body and a second headrest body by a plane passing through the headrest connecting groove; the first headrest body is detachably connected with the second headrest body.

It is convenient to mount the headrest body to the backrest.

According to the further technical scheme, height adjusting bodies are arranged on two sides of the height adjusting piece.

The headrest main body can be balanced in stress.

According to a further technical scheme, the headrest main body is provided with a headrest sliding groove, and the height adjusting piece is embedded into the headrest sliding groove and exposed from the rear side of the headrest main body.

The head can not be supported by the convex height adjusting piece when leaning against the headrest main body, thereby improving the comfort.

According to a further technical scheme, the headrest assembly further comprises a headrest elastic piece, and two ends of the headrest elastic piece are respectively connected with the headrest main body and the height adjusting piece, so that the height adjusting piece tends to move towards the rear side.

After the height of the headrest main body is adjusted, the height adjusting piece can automatically reset to realize height fixation, and the headrest is convenient to use.

According to the further technical scheme, a reset inclined plane is arranged on the front side of the height adjusting groove.

The reliability of the height adjusting member can be improved.

In conclusion, the utility model can achieve the following technical effects,

1, the height of the headrest main body can be adjusted and fixed, and meanwhile, the headrest is safe.

2, the head is not supported by the convex height adjusting piece when leaning against the headrest main body, thereby improving the comfort.

3, after the height of the headrest main body is adjusted, the height adjusting piece can automatically reset to realize height fixation, and the headrest is convenient to use.

Drawings

Fig. 1 is a perspective view of a stroller according to an embodiment of the present invention.

Fig. 2 is a perspective view of a stroller according to an embodiment of the present invention.

Fig. 3 is a perspective exploded view of the stroller according to an embodiment of the present invention.

Fig. 4 is a schematic side view of a stroller according to an embodiment of the present invention; arrow ARR1 indicates the direction of rotation of the pusher assembly 1 during the folding operation; arrow two ARR2 indicates the direction of rotation of the support assembly 2 in synchronism with the pusher assembly 1 during the folding operation; arrow three ARR3 indicates the direction of rotation of the folding assembly 3 in synchronism with the support assembly 2 during the folding operation; an arrow four ARR4 indicates the linear sliding direction of the folding link 33 during the folding operation; the arrow pentaarr 5 indicates the direction in which the seat panel 41 rotates due to the linear sliding of the folding link 33 during the folding operation.

Fig. 5 is a schematic top view of a stroller according to an embodiment of the present invention.

Fig. 6 is a perspective view of the support link 21 according to an embodiment of the present invention.

Fig. 7 is a schematic illustration of profile one SEC 1.

Fig. 8 is a perspective view of the pusher assembly 1 according to an embodiment of the present invention.

Fig. 9 is a schematic half-section view of a pusher assembly 1 according to an embodiment of the present invention.

FIG. 10 is a schematic diagram of detail one DTL 1; arrow six ARR6 indicates the direction of movement of the inner operating member 14 when unlocked.

Fig. 11 is a perspective view of a seat assembly 4 according to an embodiment of the present invention.

Fig. 12 is an exploded perspective view of the seat assembly 4 according to an embodiment of the present invention.

Fig. 13 is a side view schematic of a seat interface 44 according to an embodiment of the present invention.

Figure 14 is a schematic side view of a seat assembly 4 according to an embodiment of the present invention.

Fig. 15 is a schematic view of a profile two SEC2 of seat assembly 4; LINE one LINE1 represents the center plane of the seat assembly 4.

Figure 16 is an exploded isometric view of the seat assembly 4 and headrest assembly 5 according to an embodiment of the present invention.

Figure 17 is a schematic diagram of detail two DTL 2.

Fig. 18 is a schematic diagram of profile three SEC 3.

Figure 19 is a schematic top view of the seat assembly 4 and headrest assembly 5 according to an embodiment of the present invention; LINE one LINE1 represents the center plane of the seat assembly 4.

Fig. 20 is a schematic view at seat interface 44 of section four SEC 4.

Arrow one ARR 1; arrow two ARR 2; arrow three ARR 3; arrow tetra ARR 4; arrow pentaarr 5; arrow hexaarr 6; section one SEC 1; section two SEC 2; section three SEC 3; section four SEC 4; detail one DTL 1; detail two DTL 2; LINE one LINE 1; a handle assembly 1; a push-handle linkage 11; a push handle linkage tooth 111; a push handle locking groove 12; an inner cavity opening 13; an inner operating member 14; a telescoping structure 18; a first retracting lever 181; a second retraction lever 182; a support assembly 2; a support link 21; the support linkage teeth 211; a locking chute 212; a let bit port 213; an anti-release snap hole 219; a locking member 22; the unlocking elastic member 221; an unlocking operation terminal 223; an anti-slip fastener 229; a support extension 29; a support roller 299; a folding assembly 3; the folding connection 31; a folding link 33; a support linkage 331; a seat linkage 334; the folding extension 39; a reinforcement 397; a pedal 398; a folding roller 399; a seat assembly 4; a seat plate 41; a backrest connecting body 411; a rotating base 419; a backrest 42; a guardrail connecting post 426; a flange 427; a connecting post boss 428; a back fold angle 429; a seat connecting groove 43; a catch groove 431; a reinforcing groove 432; a seat chute 433; a seat interface 44; a stopper block 441; a reinforcing block 442; a fixing slot 445; a backrest operating member 45; a reset member 451; a seat operating end 459; a guard rail 46; a back connection groove 461; an exposed opening 462; an elastic piece 463; a guardrail connecting member 47; a decorative cover 49; a headrest assembly 5; a headrest body 51; a headrest sliding groove 512; a reset ramp 513; a headrest outer edge 514; a headrest connecting groove 517; a first headrest 518; a second headrest 519; a height adjusting member 52; a height adjuster 521; the headrest elastic members 53; a headrest base 6; a height adjusting groove 61; a headrest slot 62; a headrest outer edge groove 624; a base connector 67.

Detailed Description

The following description will be made in conjunction with the accompanying drawings.

As specific embodiment, the utility model discloses a children's shallow beta structure of embodiment, it includes pushing hands subassembly 1, supporting component 2 and folding component 3.

The pushing handle assembly 1 is provided with a pushing handle linkage piece 11, and the pushing handle linkage piece 11 is provided with pushing handle linkage teeth 111.

The support assembly 2 is provided with a support linkage 21, the support linkage 21 being provided with support linkage teeth 211.

The folding assembly 3 comprises a folding connecting piece 31, a pushing handle linkage piece 11 and a supporting linkage piece 21 are respectively hinged with the folding connecting piece 31, and a pushing handle linkage tooth 111 is meshed with a supporting linkage tooth 211.

Typically, the support assembly 2 is hinged with a support roller 299; so as to facilitate pushing the stroller.

The working principle is that when the child stroller needs to be folded, the push handle assembly 1 is rotated to reduce the included angle between the push handle assembly 1 and the support assembly 2; in the process of reducing the included angle between the pushing handle assembly 1 and the supporting assembly 2, the pushing handle linkage teeth 111 are meshed with the supporting linkage teeth 211, so that the supporting assembly 2 and the pushing handle assembly 1 synchronously rotate in the opposite direction until the pushing handle assembly 1 is limited (limited by being blocked by the supporting assembly 2 or the folding assembly 3) and cannot rotate continuously, and at the moment, the stroller is in a folded state, occupies a small space and is relatively portable.

Similarly, when the child stroller needs to be unfolded, the push handle assembly 1 is rotated to increase the included angle between the push handle assembly 1 and the support assembly 2; in the process that the included angle between the pushing handle assembly 1 and the supporting assembly 2 is increased, the pushing handle linkage teeth 111 are meshed with the supporting linkage teeth 211, so that the supporting assembly 2 and the pushing handle assembly 1 synchronously rotate in the opposite direction until the pushing handle assembly 1 is limited (for example, the limitation can be realized by the pushing handle linkage piece 11 and the supporting linkage piece 21) and cannot rotate continuously, and at the moment, the stroller is in an unfolded state, and the pushing handle assembly 1 can push the stroller.

As can be seen from the above, the pushing handle linkage teeth 111 are engaged with the supporting linkage teeth 211, so that the supporting component 2 and the pushing handle component 1 synchronously rotate in opposite directions, the rotation angle required by the pushing handle component 1 when the stroller changes state is reduced, and the convenience and efficiency of changing the stroller state can be improved.

Further, the folding assembly 3 further includes a folding linkage member 33 hinged to the supporting linkage rod 331, the folding linkage member 33 is linearly slidably connected to the supporting assembly 2 or the pushing handle assembly 1 (an embodiment of the folding linkage member 33 being linearly slidably connected to the pushing handle assembly 1 is not shown), and the supporting linkage rod 331 is hinged to the folding assembly 3. In the process of rotating the pushing handle assembly 1, the folding linkage piece 33 slides linearly along the supporting assembly 2 or the pushing handle assembly 1, the folding assembly 3 and the folding assembly 3 or the pushing handle assembly 1 rotate synchronously under the driving of the supporting linkage rod 331, the folding assembly 3 can rotate synchronously and be folded, and the convenience and the efficiency for changing the state of the stroller are further improved. Typically, the folding linkage 33 is provided with a slide hole (not shown in the drawings) into which the support assembly 2 or the pusher assembly 1 is inserted, so that the folding linkage 33 is linearly slidably connected with the support assembly 2 or the pusher assembly 1. Generally, the support assembly 2 includes a support extension 29 to raise the height of the seat assembly 4.

Further, still include seat subassembly 4 with support assembly 2 articulated, folding linkage 33 and support assembly 2 straight line sliding connection, folding linkage 33 articulates there is seat linkage 334, seat linkage 334 and seat subassembly 4 articulate. During the process of rotating the push handle assembly 1, the folding linkage piece 33 slides linearly along the support assembly 2, so that the seat assembly 4 rotates, and the space between the seat assembly 4 and the support assembly 2 is reduced; conversely, the seat assemblies 4 can be deployed synchronously; therefore, the seat assembly 4 can be folded or unfolded synchronously, and the convenience and the efficiency for changing the state of the stroller can be improved. Generally, the seat assembly 4 includes a seat pan 41, the seat pan 41 being hinged to a swivel base 419, the seat link 334 being hinged to the swivel base 419; the folding assembly 3 is provided with footrests 398. The seat plate 41 is rotatable in a horizontal plane so that a child or the like seated on the seat plate 41 can face or face away from the handle assembly 1 as desired.

Further, the support assembly 2 further comprises a locking piece 22, the locking piece 22 is linearly and slidably connected with the support linkage piece 21, the pushing handle locking groove 12 is formed in the pushing handle linkage piece 11, and the locking piece 22 is inserted into the pushing handle locking groove 12 in the unfolding state. In the locked state, the locking member 22 is inserted into the handle locking groove 12 in the unfolded state, so that the handle assembly 1 can be kept in position relative to the support assembly 2, thereby facilitating pushing of the stroller. When the child stroller is folded, the handle assembly 1 is rotated after the locking piece 22 is moved out of the handle locking groove 12 by sliding the locking piece 22 linearly.

Preferably, the support link 21 is provided with a locking slide groove 212, and the locking member 22 is snugly inserted into the locking slide groove 212, so that the locking member 22 is linearly slidably connected with the support link 21.

Further, the locking member 22 further includes an unlocking elastic member 221, and the unlocking elastic member 221 is connected to the locking member 22 and the support link member 21, respectively, so that the locking member 22 tends to approach the handle locking groove 12 in the unfolded state. In the process of rotating the pushing handle assembly 1 to make the stroller become the unfolded state, the pushing handle linkage 11 abuts against the locking piece 22 to make the locking piece 22 far away from the pushing handle locking groove 12, until the pushing handle assembly 1 rotates to the unfolded state, the elastic force provided by the unlocking elastic piece 221 enables the locking piece 22 to be automatically inserted into the pushing handle locking groove 12, so that automatic locking can be realized, and the operation is more convenient.

Furthermore, both ends of the unlocking elastic member 221 respectively abut against the inner wall of the locking chute 212 and the locking member 22, the locking chute 212 is provided with an anti-disengagement buckle hole 219, the locking member 22 is provided with an elastic anti-disengagement buckle 229, and the anti-disengagement buckle 229 is clamped into the anti-disengagement buckle hole 219. During assembly, after the unlocking elastic member 221 is placed in the locking chute 212, the locking member 22 is inserted into the locking chute 212 in a fitting manner until the anti-falling buckle 229 is clamped into the anti-falling buckle hole 219, and the assembly of the locking member 22 is completed. The assembly of the locking piece 22 is facilitated while the locking piece 22 is prevented from being disengaged from the support link 21.

Further, the pushing handle assembly 1 is provided with a cavity (not shown in the drawings), the pushing handle assembly 1 is provided with an inner cavity opening 13 communicated with the cavity, an inner operation part 14 capable of moving relative to the pushing handle assembly 1 is arranged in the cavity, the locking part 22 is fixedly provided with an unlocking operation end 223, and the unlocking operation end 223 penetrates through the inner cavity opening 13 and extends into the cavity in a locking state. The inner operating member 14 is typically linearly slidable along the cavity, but may be movable relative to the handle assembly 1 in a rotational or other conventional manner. The inner operation member 14 is movable relative to the handle assembly 1 and abuts against the unlocking operation end 223 in the cavity, so that the locking member 22 can rotate the handle assembly 1 after being moved out of the handle locking groove 12. The activity of interior operating parts 14 is located the cavity of pushing hands subassembly 1 completely, can prevent human body etc. from touching the interior operating parts 14 of activity, also can prevent sunshine from shining interior operating parts 14, dust contact to interior operating parts 14 to can improve security and durability.

Further, the handle assembly 1 includes a telescopic structure 18, the telescopic structure 18 includes a first telescopic rod 181 and a second telescopic rod 182; the second telescopic rod 182 is inserted into the first telescopic rod 181, and the inner operating member 14 is fixedly connected to the second telescopic rod 182. The second telescopic rod 182 extends into the first telescopic rod 181, so that the push handle assembly 1 can be contracted, the length of the push handle assembly 1 can be shortened, and the portability of the baby stroller can be improved; meanwhile, in the process that the second telescopic rod 182 extends into the first telescopic rod 181, the locking piece 22 can be synchronously unlocked, so that the unlocking operation is facilitated.

As a specific example, the stroller seat structure of the embodiment of the present invention includes a seat assembly 4, and the seat assembly 4 includes a backrest 42 and a seat plate 41 provided with a backrest connector 411.

The seat assembly 4 further includes a seat interface 44; the seat connecting body 44 is provided with a stopper 441; the seat link 44 is linearly slidably connected to one of the seat plate 41 and the backrest 42.

The other of the seat plate 41 and the backrest 42 is provided with a seat attachment groove 43, and the seat attachment groove 43 is provided with a stopper groove 431.

The stopper 441 is inserted into the stopper groove 431.

In the working principle, the seat connecting body 44 is linearly slid (pushed by hand or by other means), so that the retaining block 441 moves out of the retaining groove 431, and the backrest 42 can move relative to the seat plate 41; the angle between the backrest 42 and the seat plate 41 is reduced until the angle cannot be reduced further, so that the backrest 42 is changed into a fully folded state. Conversely, when the angle between the backrest 42 and the seat plate 41 is increased until the angle is a desired angle, the backrest 42 can be maintained in a fully unfolded state by linearly sliding the seat connecting body 44 so that the stopper 441 is inserted into the stopper groove 431.

That is, the seat link 44 is linearly slid such that the stopper 441 is inserted into or withdrawn from the stopper groove 431; the backrest 42 can be operated to maintain a fully unfolded state or to be folded as required.

Preferably, there are two or more stopper grooves 431. Generally, there are two stop grooves 431, and the two stop grooves 431 correspond to a state where the backrest 42 is completely unfolded and a state where the backrest 42 is completely folded, respectively; other states of the backrest 42 may correspond to other catch grooves 431. Two of the stopper grooves 431 correspond to a state where the backrest 42 is completely unfolded and a state where the backrest 42 is completely folded, and the state where the backrest 42 is completely unfolded and the state where the backrest 42 is completely folded can be maintained, so that the reliability is high.

Preferably, one of the seat plate 41 and the backrest 42 is provided with a seat sliding groove 433, and the seat connecting body 44 is embedded in the seat sliding groove 433, so that the stopper 441 is linearly slidably connected with one of the seat plate 41 and the backrest 42.

Further, the seat connecting body 44 is fixedly provided with a reinforcing block 442, the seat connecting groove 43 and the seat sliding groove 433 are both provided with a reinforcing groove 432, and the reinforcing blocks 442 are respectively embedded in the reinforcing grooves 432. The hinge strength of the backrest 42 and the seat plate 41 can be secured.

Preferably, the area of the reinforcement groove 432 is smaller than the area of the stopper 441 in side view. Generally, the reinforcing groove 432 and the stop block 441 are ring sectors in side view; the central angle of the reinforcing groove 432 is smaller than that of the stop block 441. The stopper 441 is prevented from being inserted into the reinforcement groove 432 to thereby prevent the state of the backrest 42 from being uncontrollable.

Further, the seat assembly 4 further includes a reset element 451, one end of the reset element 451 is connected to the seat connecting body 44 (the reset element 451 can be connected through the backrest operating element 45), and the other end is connected to the seat plate 41 or the backrest 42, and the reset element 451 makes the blocking piece 441 have a tendency to be inserted into the blocking groove 431. After the backrest 42 moves relative to the seat plate 41, the seat connecting body 44 automatically inserts the stopper 441 into the stopper groove 431 under the elastic force of the returning member 451 to maintain the state of the backrest 42, so that the operation of the backrest 42 is convenient.

Further, the seat assembly 4 further includes a backrest operating member 45 provided with a seat operating end 459, the seat connecting body 44 is linearly slidably connected with the backrest 42, the seat operating end 459 is exposed from the backrest 42, and the backrest operating member 45 is fixedly connected with the seat connecting body 44. Typically, a backrest operating member slide slot (not shown) is provided in the backrest operating member 45, and the backrest operating member 45 is inserted into the backrest operating member slide slot, so that the seat connecting body 44 is linearly slidably connected to the backrest 42. The linear movement of the seat link 44 by the operation of the backrest operation member 45 is facilitated, and at the same time, the entire width of the seat assembly 4 can be ensured without being increased, which is advantageous for miniaturization.

Preferably, the backrest connectors 411 are disposed on both sides of the seat plate 41, and the backrest 42 is disposed between the backrest connectors 411 on both sides of the seat plate 41; seat attachment grooves 43 are provided on both sides of the backrest 42. The hinge strength of the backrest 42 and the seat plate 41 can be improved; meanwhile, when the thumb and the index finger of one hand respectively pull the seat operating ends 459 of the two backrest operating parts 45, and the thumb and the index finger of one hand respectively pull the seat operating ends 459 of the two backrest operating parts 45, the backrest 42 is stressed in balance and the backrest 42 is not inclined, so that the linear movement of the seat connecting body 44 is convenient to operate.

Further, the backrest 42 is hinged to the backrest connection body 411. Generally, the backrest connecting body 411 has a circular shape in side view, and a bolt or a pin is inserted into the backrest 42 through the backrest connecting body 411 and the seat connecting body 44 and then connected to a nut or a snap spring, so that the backrest 42 is hinged to the backrest connecting body 411. The seat plate 41 can be prevented from being separated from the backrest 42 when the seat link body 44 is completely inserted into the seat link groove 43 of the backrest 42, and reliability and safety can be improved.

Further, the seat plate 41 is hinged with a guardrail connecting piece 47, the backrest 42 is hinged with a guardrail 46, and the guardrail connecting piece 47 is hinged with the guardrail 46. The guardrail connecting piece 47 can play a role in protection when the backrest 42 is completely unfolded, and the guardrail connecting piece 47 can also be folded when the backrest 42 is completely folded. The safety of the seat assembly 4 in use can be improved, and the portability of the seat assembly 4 can be ensured.

Further, the backrest 42 is provided with a guard rail connecting post 426, the guard rail connecting post 426 extends outward to form a flange 427, the guard rail 46 is provided with a backrest connecting groove 461, the backrest connecting groove 461 is provided with an exposed opening 462 communicating with the outside, and the flange 427 is embedded in the backrest connecting groove 461. The guardrail connecting post 426 and flange 427 can be removed from the back connecting slot 461 to allow for the removable connection between the guardrail connecting post 426 and the guardrail 46 to allow room for a child to get on and off; facilitating use of the seat assembly 4.

Further, the guardrail connecting post 426 is provided with an embedded connecting post protrusion 428, the guardrail 46 is provided with an elastic piece 463, and the connecting post protrusion 428 is embedded into the elastic piece 463. The reliability of the hinge joint between the guard rail 46 and the backrest 42 can be ensured while the elastic piece 463 is toggled so that the coupling post boss 428 is drawn out from the coupling post boss 428, and the guard rail 46 is easily detached.

As a specific example, the stroller headrest structure of the embodiment of the present invention includes a backrest 42 and a headrest assembly 5.

The headrest assembly 5 comprises a headrest main body 51 and a height adjusting piece 52 which is in linear sliding connection with the headrest main body 51; the height adjuster 52 is provided with a height adjuster 521; the headrest body 51 is linearly slidably connected with the backrest 42.

The backrest 42 is provided with a headrest base 6, and the headrest base 6 is provided with at least two height adjusting grooves 61.

The headrest base 6 and the height adjusting body 521 are both positioned in the headrest main body 51; the height adjusting body 521 is inserted into the height adjusting groove 61.

In the working principle, when the height of the headrest main body 51 needs to be adjusted, the height adjusting piece 52 is moved to move the height adjusting body 521 out of the height adjusting groove 61, at this time, the headrest main body 51 can slide linearly along the backrest 42 to adjust the height, and when the height adjusting body 521 is aligned with another height adjusting groove 61, the height adjusting piece 52 is moved to insert the height adjusting body 521 into the height adjusting groove 61, so that the height of the headrest main body 51 is fixed. In the process of adjusting the height of the headrest main body 51, the headrest base 6 and the height adjusting body 521 are both positioned in the headrest main body 51, so that a human body cannot contact the height adjusting body 521, and cannot be clamped by the height adjusting body 521 and the inner wall of the height adjusting groove 61, and the headrest is safe.

That is, the height adjusting body 521 in the headrest body 51 moves into or out of the height adjusting groove 61 in the headrest body 51, and the height of the headrest body 51 can be adjusted and fixed while being safe.

Preferably, the backrest 42 is provided with a headrest groove 62, a base connecting body 67 connected with the headrest base 6 is fixedly arranged on the side of the headrest groove 62, the headrest main body 51 is provided with a headrest connecting groove 517, the base connecting body 67 passes through the headrest connecting groove 517 in a fitting manner, and two sides of the headrest main body 51 are respectively attached to two sides of the headrest groove 62, so that the headrest main body 51 is linearly and slidably connected with the backrest 42.

Further, a headrest outer edge groove 624 is formed in the side surface of the headrest groove 62, the front side of the headrest body 51 extends outwards to form a headrest outer edge 514, and the headrest outer edge 514 is inserted into the headrest outer edge groove 624. The bearing capacity of the headrest main body 51 (generally against the situation that the head supports against the headrest main body 51 backwards) can be further improved, and the safety is improved.

Preferably, the headrest body 51 is divided into a first headrest body 518 and a second headrest body 519 by a plane that is substantially vertical and passes through the headrest connection groove 517; the first headrest body 518 is detachably connected to the second headrest body 519. It is convenient to mount the headrest body 51 to the backrest 42.

Preferably, the height adjusting member 52 is provided with a height adjusting body 521 at both sides thereof. The headrest body 51 can be force-balanced.

Preferably, the headrest body 51 is provided with a headrest sliding groove 512, and the height adjusting member 52 is inserted into the headrest sliding groove 512 and exposed from the rear side of the headrest body 51, so that the height adjusting member 52 is linearly slidably coupled with the headrest body 51. The head will not be held by the protruding height adjusting piece 52 when leaning against the headrest main body 51, which can improve the comfort.

Further, the headrest assembly 5 further includes a headrest elastic member 53, and two ends of the headrest elastic member 53 are respectively connected to the headrest body 51 and the height adjusting member 52, so that the height adjusting member 52 tends to move toward the rear side. Generally, both ends of the headrest elastic member 53 respectively abut against the front inner wall of the headrest body 51 and the height adjusting member 52 and provide repulsive force, so that the height adjusting member 52 tends to move toward the rear side. After the height of the headrest main body 51 is adjusted, the height adjusting piece 52 can automatically reset to realize height fixation, which is more convenient.

Further, a reset slope 513 is provided on the front side of the height adjusting groove 61. The height-adjusting piece 52 is easily inserted into the height-adjusting groove 61 by the guiding action of the reset slope 513, and the reliability of the height-adjusting piece 52 can be improved.

As used in the present invention, the term: first, second, etc. do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.

As used in the present invention, the term: one, etc. do not denote a limitation of quantity, but rather denote the presence of at least one of the referenced item.

As in the present invention, the term indicating orientation or position is used: top, bottom, side, longitudinal, lateral, middle, center, outer, inner, horizontal, vertical, left, right, above, below, and the like are intended to reflect relative positions, not absolute positions.

The term as used in the present invention: approximate, whole, approximate, close, etc., are words of definition that specify the presence of stated features but allow for certain deviations. The amount of tolerance for a certain deviation may vary depending on the particular context; for example, the specific context in which deviations from size may be relied upon includes, but is not limited to, national standards for dimensional tolerances.

Claims (8)

1. A headrest structure of the children's carriage, which comprises a backrest (42) and a headrest assembly (5);

the headrest assembly (5) is characterized by comprising a headrest main body (51) and a height adjusting piece (52) which is in linear sliding connection with the headrest main body (51); the height adjusting piece (52) is provided with a height adjusting body (521); the headrest main body (51) is in linear sliding connection with the backrest (42); the backrest (42) is provided with a headrest base (6), and the headrest base (6) is provided with at least two height adjusting grooves (61); the headrest base (6) and the height adjusting body (521) are both positioned in the headrest main body (51); the height adjusting body (521) is inserted into the height adjusting groove (61).

2. The stroller headrest structure of claim 1, wherein the backrest (42) is provided with a headrest groove (62), a base connector (67) connected with the headrest base (6) is fixedly arranged on a side surface of the headrest groove (62), the headrest main body (51) is provided with a headrest connecting groove (517), the base connector (67) passes through the headrest connecting groove (517) in a fitting manner, and two sides of the headrest main body (51) are respectively attached to two sides of the headrest groove (62).

3. The headrest structure of the stroller as claimed in claim 2, wherein a headrest outer edge groove (624) is formed on a side surface of the headrest groove (62), a front side of the headrest body (51) extends outward to form a headrest outer edge (514), and the headrest outer edge (514) is inserted into the headrest outer edge groove (624).

4. The stroller headrest structure according to claim 2, wherein the headrest body (51) is divided into a first headrest body (518) and a second headrest body (519) by a plane which is substantially vertical and passes through the headrest connection groove (517); the first headrest body (518) is detachably connected with the second headrest body (519).

5. The headrest structure of the stroller as claimed in claim 1, wherein the height-adjusting members (52) are provided at both sides thereof with height-adjusting bodies (521).

6. The headrest structure of the stroller as claimed in claim 1, wherein the headrest body (51) is provided with a headrest sliding groove (512), and the height adjusting member (52) is inserted into the headrest sliding groove (512) and exposed from the rear side of the headrest body (51).

7. The headrest structure of the stroller of claim 6, wherein the headrest assembly (5) further comprises an elastic headrest member (53), and both ends of the elastic headrest member (53) are respectively connected to the headrest body (51) and the height adjusting member (52), so that the height adjusting member (52) tends to move toward the rear side.

8. The headrest structure of the stroller as claimed in claim 7, wherein a reset slope (513) is provided at a front side of the height adjusting groove (61).

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