CN208559105U - Child safety seat and its liftable foldable structure of handrail - Google Patents
Child safety seat and its liftable foldable structure of handrail Download PDFInfo
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- CN208559105U CN208559105U CN201820977321.0U CN201820977321U CN208559105U CN 208559105 U CN208559105 U CN 208559105U CN 201820977321 U CN201820977321 U CN 201820977321U CN 208559105 U CN208559105 U CN 208559105U
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- handrail
- safety seat
- pin shaft
- support rod
- child safety
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Abstract
The utility model relates to a kind of child safety seat and its liftable foldable structure of handrail, which includes: the guide groove being opened on the side plate of child safety seat；Support rod set on handrail bottom, the support rod can be inserted in up or down in the guide groove；The position-limit mechanism for installing on the side plate and corresponding to the guide groove setting limits the support rod by the position-limit mechanism after the support rod moves up and down adjusting, to realize the lift adjustment of the handrail.The utility model devises support rod moving up and down, enable arm supports when using handrail through support rod in place, when not using handrail, support rod can be placed in the guide groove of side plate, to which handrail is attached at the top of side plate, the packing size for reducing child safety seat, makes it in order to carry, and occupy little space.In the case where ensuring child safety seat, the usage experience of child safety seat is further improved.
Description
Technical field
The utility model relates to the construction applications of child safety seat, refering in particular to a kind of child safety seat and its handrail can be risen
The foldable structure of drop.
Background technique
As the universal and people of automobile are higher and higher to the attention degree of children riding safety, vehicular child safety seat
Chair is increasingly paid attention to, and automobile children safety chair plays an important role to the injures and deaths for reducing children in collision accident.
As the comfort requirement to child safety seat is higher and higher, it can be arranged on most of child safety seat and help
Hand, and arm supports are in the two sides of seat, when being packaged, size is larger, and not readily portable and occupied space is big.
Utility model content
The purpose of the utility model is to overcome the defect of the prior art, a kind of child safety seat is provided and its handrail can
The foldable structure of lifting, solve that the existing seat to handrail is packaged that size is big, not readily portable and occupied space is big etc. asks
Topic.
Realizing the technical solution of above-mentioned purpose is:
The utility model provides a kind of liftable foldable structure of handrail of child safety seat, comprising:
The guide groove being opened on the side plate of child safety seat；
Support rod set on handrail bottom, the support rod can be inserted in up or down in the guide groove；
The position-limit mechanism for installing on the side plate and corresponding to the guide groove setting, moves up and down tune in the support rod
The support rod is limited by the position-limit mechanism after section, to realize the lift adjustment of the handrail.
The child safety seat of the utility model devises support rod moving up and down, enables when using handrail
By support rod by arm supports in place, do not use handrail when, support rod can be placed in the guide groove of side plate, to help
Hand sticker is set to the top of side plate, reduces the packing size of child safety seat, makes it in order to carry, and occupy little space.?
In the case where ensuring child safety seat, the usage experience of child safety seat is further improved.
The liftable foldable structure of the handrail of the utility model child safety seat further improvement lies in that, the support
Pin hole is offered on bar；
The position-limit mechanism include set pin shaft sliding slot on the side plate, the pin shaft that is slidedly arranged in the pin shaft sliding slot,
Pin shaft spring between the pin shaft and the pin shaft sliding slot and the first drag-line being connect with the pin shaft；
The pin shaft spring is set between the end face and the corresponding end face of the pin shaft sliding slot of the pin shaft and to the pin
Axis applies the elastic force for stretching out the pin shaft sliding slot, and the pin shaft is caught on the support rod in corresponding pin hole with limit
The position support rod；
The pin shaft can be pulled to protrude into the pin shaft sliding slot by first drag-line, so that the pin shaft is from correspondence
The pin hole in remove and release limit to the support rod.
The liftable foldable structure of the handrail of the utility model child safety seat further improvement lies in that, the children
Unlocking mechanism is installed at the top of safety seat, the unlocking mechanism is connect with first drag-line, passes through the unlocking mechanism
First drag-line can be pulled.
The liftable foldable structure of the handrail of the utility model child safety seat further improvement lies in that, further include setting
Support spring between the guiding trench bottom and the support rod bottom.
The liftable foldable structure of the handrail of the utility model child safety seat further improvement lies in that, the children
The backboard of safety seat includes the upper backrest being rotatably connected and lower backrest, and the upper backrest is can turn to perpendicular under described
Backrest, and the upper backrest rotation during push the handrail with enable the support rod be placed in the guide groove and
The handrail is in extreme lower position.
The liftable foldable structure of the handrail of the utility model child safety seat further improvement lies in that, leaned under described
Back offers low water mouth, and described to be above installed with bayonet lock compatible with the low water mouth by back, the bayonet lock is connected with one
Second drag-line；
It is described upper by unlucky rotating, corresponding low water mouth is caught in by the bayonet lock to limit turning for the upper backrest
It is dynamic；
By pulling second drag-line to may make the bayonet lock is removed out of described low water mouth to release to leaning on described
Carry on the back the limit of rotation.
The liftable foldable structure of the handrail of the utility model child safety seat further improvement lies in that, the children
Unlocking mechanism is installed at the top of safety seat, the unlocking mechanism is connect with second drag-line, passes through the unlocking mechanism
Second drag-line can be pulled.
The liftable foldable structure of the handrail of the utility model child safety seat further improvement lies in that, the unlock
Mechanism includes vertically arranged a pair of tracks slot and the sliding block being slidedly arranged in the track groove, the sliding block and second drag-line
Connection pulls second drag-line by sliding block described in upward sliding to realize.
The utility model additionally provides a kind of child safety seat, comprising:
Chair framework；And
It is installed in the above-mentioned foldable structure of the chair framework.
The utility model child safety seat further improvement lies in that, the backboard of the chair framework includes that can be rotated
The upper backrest and lower backrest of connection, the upper backrest are can turn to perpendicular to the lower backrest, and in the upper backrest rotation
Pushing the handrail in the process, the support rod is placed in the guide groove and the handrail is in extreme lower position to enable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model child safety seat and its liftable foldable structure of handrail.
Fig. 2 is the structural schematic diagram that handrail side cover is saved in Fig. 1.
Fig. 3 is that the utility model child safety seat and its liftable foldable structure of handrail show showing for internal structure
It is intended to.
Fig. 4 is the explosion of the arm rest structure of the utility model child safety seat and its liftable foldable structure of handrail
Decomposition diagram.
Fig. 5 is the structural representation of pin shaft in the utility model child safety seat and its liftable foldable structure of handrail
Figure.
Fig. 6 is upper backrest folding process in the utility model child safety seat and its liftable foldable structure of handrail
Structural schematic diagram.
Fig. 7 is the decomposition knot of unlocking mechanism in the utility model child safety seat and its liftable foldable structure of handrail
Structure schematic diagram.
Fig. 8 be in the utility model child safety seat and its liftable foldable structure of handrail the sliding block of unlocking mechanism with
The structural schematic diagram of track groove.
Fig. 9 is the structure in the utility model child safety seat and its liftable foldable structure of handrail at cable connector
Schematic diagram.
Figure 10 is the knot of the upper backrest folding of the utility model child safety seat and its liftable foldable structure of handrail
Structure schematic diagram.
Figure 11 is the structure of the folding state of the utility model child safety seat and its liftable foldable structure of handrail
Schematic diagram.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
Refering to fig. 1, the utility model provides a kind of child safety seat and its liftable foldable structure of handrail, the youngster
Handrail can be dropped to the inside of child safety seat by virgin safety seat, so that folding backrest gets up, child safety seat exists
Size is smaller after packing, easy to carry and use.It is big and be not easy to the receipts of seat entirety to solve existing handrail occupied space
The problem of folding.The utility model child safety seat and its liftable foldable structure of handrail are said with reference to the accompanying drawing
It is bright.
Refering to fig. 1, it is shown that the structure of the utility model child safety seat and its liftable foldable structure of handrail is shown
It is intended to.Referring to Fig.2, showing the structural schematic diagram for saving handrail side cover in Fig. 1.It is practical new to this below with reference to Fig. 1 and Fig. 2
The liftable foldable structure of the handrail of type child safety seat is illustrated.
As depicted in figs. 1 and 2, the liftable foldable structure 20 of the handrail of the child safety seat of the utility model includes leading
To slot 21, support rod 22 and position-limit mechanism 23, guide groove 21 is opened on the side plate 111 of child safety seat 10, the guiding
Slot 21 is vertical to be opened on side plate 111, and the length of guide groove 21 is adapted with the width of side plate 111；Support rod 22 is fixed
In the bottom of handrail 113, which can be inserted in up or down in guide groove 21, by support rod 22 come supporting armrests
113, so that handrail 113 can be propped up set on desired position, can be moved in guide groove 21 by support rod 22, Lai Shixian is helped
The folding of hand 113 moves up support rod 22 along guide groove 21, that is, when using handrail 113 so that at handrail 113
In higher position, in conjunction with shown in Figure 11, when not using handrail 113, support rod 22 can be moved down along guide groove 21,
Support rod 22 is enabled to be placed in guide groove 21, so that handrail 113 is in lower position, to complete the folding of handrail 113.Limit
Mechanism 23 is installed on side plate 111, is carried out by the position-limit mechanism 23 to support rod 22 after support rod 22 moves up and down adjusting
Limit, to fix the support rod 22, so that handrail 113 can be fixedly supported in a certain position, realizes handrail 113
Lift adjustment.
Preferably, the handrail 113 of the utility model can be at two states, a state is support use state, another
A state is folding without using state.The detailed process of two states conversion are as follows: as shown in Figure 2, it is shown that handrail 113 is in branch
Use state is supportted, in this case, support rod 22 stretches out outside guide groove 21 and handrail 113 is supported at certain altitude, supports
22 bottom of bar is partially disposed in guide groove 21, and is limited support rod 22 by position-limit mechanism 23 and fixed, it is ensured that handrail 113
Stability.When carrying out folding to handrail 113, in conjunction with shown in Figure 11, limit of the position-limit mechanism 23 to support rod 22 is released,
So that support rod 22 can be moved down along guide groove 21, pushes support rod 22 and the support rod 22 is pressed into guide groove 21
It is interior, so that handrail 113 is located at the top of side plate 111, support rod 22 is limited by position-limit mechanism 23 and is fixed, realizes and helps
The folding of hand 113 will not occupy biggish space so that handrail 113 is when not in use, can reduce child safety seat
It is packaged size, makes it easy to carry and use.Handrail 113 is from folding state to holding state, it is only necessary to release position-limit mechanism 23
Limit, support rod 22 is moved up along guide groove 21, in place after limited again by position-limit mechanism 23.
As a better embodiment of the utility model, as shown in Figure 3 and Figure 4, pin hole is offered on support rod 22
221；As shown in connection with fig. 5, position-limit mechanism 23 includes the pin shaft sliding slot 231 being set on side plate 111, is slidedly arranged in pin shaft sliding slot 231
Pin shaft 232, the pin shaft spring 233 between pin shaft 232 and pin shaft sliding slot 231 and connect with pin shaft 232 first draw
Rope 234；Pin shaft spring 233 is set between the end face and the corresponding end face of pin shaft sliding slot 231 of pin shaft 232, and the pin shaft spring 233 is right
Pin shaft 232 applies the elastic force for stretching out pin shaft sliding slot 231, and pin shaft 232 is caught on support rod 22 in corresponding pin hole 221
To limit the support rod 22；Pin shaft 232 can be pulled to protrude into pin shaft sliding slot 231 by the first drag-line 234, so that pin shaft 232
It is removed out of corresponding pin hole 231 and releases the limit to support rod 22.
Specifically, the setting direction of pin shaft sliding slot 231 and guide groove 21 are perpendicular, and guide groove 21 therein is in vertically to set
It sets, pin shaft sliding slot 231 is in laterally setting, and pin shaft 232 is in movement that can be lateral in pin shaft sliding slot 231,232 transverse shifting of pin shaft
Stretch out pin shaft sliding slot 231 after i.e. extend into guide groove 21, pin shaft 232 can also transverse shifting stretch out and stretch out of guide groove 21
Enter into pin shaft sliding slot 231.233 part of pin shaft spring is sheathed on pin shaft 232, and block 2321 is provided on pin shaft 232,
The end that the pin shaft spring 233 is sheathed on pin shaft 232 is resisted against the block 2321, and the other end of pin shaft spring 233 is fixed on
On the end face of pin shaft sliding slot 231, to make pin shaft 232 stretch out out of pin shaft sliding slot 231 by the elastic force of pin shaft spring 233
It extend into guide groove 21, and then snaps onto the pin hole 221 on 21 inner bracing piece 22 of guide groove, realize to support rod 22
Limit.When releasing limit, the first drag-line 234 is pulled, so that the first drag-line 234 hauls pin shaft 232 towards pin shaft sliding slot 231
Inside protruding into, pin shaft 232 is extracted out of pin hole 221 at this time, the limit to support rod 22 is relieved, and pin shaft spring 233 is by crowded
It presses and forms the elastic force for pushing pin shaft outside pin shaft sliding slot 231, when releasing the motive force of the first drag-line 234, pin shaft spring 233
Automatically pin shaft 232 can be popped up.
Preferably, there are two pin holes 221 for setting on support rod 22, a pin hole 221 is close to the bottom of support rod 22
Portion's setting, a pin hole 221 are arranged close to the top of support rod 22, when handrail 113 is in support use state, support rod
It is located at the pin hole 221 at bottom on 22 to fasten with pin shaft 232, handrail 113 is supported at higher position, handrail is worked as
113 when not using state in folding, and the pin hole 221 at top is located on support rod 22 and is fastened with pin shaft 232, by handrail
113 adjust to lower position.
Further, as shown in connection with fig. 7, for convenient for the operation to the first drag-line 234, at the top of child safety seat 10
It is installed with unlocking mechanism 24 unlocking mechanism 24 to connect with the first drag-line 234, the first drag-line can be pulled by unlocking mechanism 24
234, and then realize the limit released to support rod 22.
As another better embodiment of the utility model, as shown in Figure 3 and Figure 4, foldable structure 20 further includes being set to
Support spring 25 between 22 bottom of 21 bottom of guide groove and support rod.In conjunction with described in Figure 11, folding state is in handrail 113
When, which is compressed to form upward elastic force, is needed in handrail 113 in use, releasing 23 pairs of position-limit mechanism supports
After the limit of bar 22, the elastic force of the support spring 25 can automatically push support rod 22 to move up, and handrail 113 supports to place
When, which in the raw, at this time fixes support rod 22 by position-limit mechanism 23.By setting
Setting support spring 25 may make handrail 113 that can realize the effect of automatic spring from folding state to holding state.
The bottom that the inside of side plate 111 corresponds to guide groove 21 is specifically provided with spring pedestal 235, by support spring 25
One end be fixed on the spring pedestal 235,25 part of support spring is set on support rod 22, is provided on support rod 22
The other end of support spring 25 is fixedly connected by spring stop 222 with the spring stop 222, realizes the connection of support spring 25
Between the bottom of support rod 22 and the bottom of guide groove 21.
As the another better embodiment of the utility model, as shown in Figure 3 and Figure 6, the foldable structure of the utility model
30 further include folding backboard 112, and child safety seat 11 includes backboard 112 connected vertically and seating pad, wherein
Backboard 112 it is foldable so that child safety seat 11 is when not in use, lesser size can be folded into, thus
It is easy to carry and use.The backboard 112 includes the upper backrest 1121 and lower backrest 1122 being rotatably connected, upper backrest 1121
It is can turn to the state perpendicular to lower backrest 1122, in conjunction with shown in Figure 11, backrest 1121 pushes help in the course of rotation on this
To enable, support rod 22 is placed in guide groove 21 hand 113 and handrail 113 is in extreme lower position.Realize the folding of backrest and same
When handrail 113 be also at folding state, farthest reduce the packing size of children's seat.
As shown in connection with fig. 1, specifically, the backrest flank 1123 being provided symmetrically in the front of upper backrest 1121 utilizes
Two backrest flanks 1123 are folding the child safety seat as shown in connection with fig. 10 to improve the comfort of child safety seat 10
When chair 10, upper backrest 1121 is rotated down, so that backrest flank 1123 is resisted against on handrail 113, releases the limit of position-limit mechanism 23
Backrest 1121 is continued to rotate behind position, so that backrest flank 1123 pushes handrail 113, in conjunction with shown in Figure 11, and handrail 113 is pressed
To extreme lower position, support rod 22 at this time is completely disposed in guide groove 21, and handrail 113 is attached at the top surface of side plate 111, above leans on
Back 1121 is perpendicular with lower backrest 1122, and Figure 11 shows that the utility model foldable structure 20 completes folded state.
Further, as shown in Figure 3 and Figure 6, low water mouth 261 is offered on lower backrest 1122, on upper backrest 1121
It is installed with bayonet lock 262 compatible with low water mouth 261, which is connected with one second drag-line 263；Rotating upper backrest
When 1121, corresponding low water mouth 261 is caught in limit the rotation of backrest 1121 by bayonet lock 262, it is ensured that backboard 112
Stability；It is released by pulling the second drag-line 263 to remove bayonet lock 262 out of corresponding low water mouth 261 to upper backrest
The limit of 1121 rotations.
Preferably, the position setting under two states of backrest 1121 is respectively corresponded there are two the settings of low water mouth 261,
A kind of state of upper backrest 1121 is perpendicular with lower backrest 1122, is at this time folded state, and another state is and lower backrest
1122 setting direction is consistent, is both at vertical state, is at this time unfolded state, upper backrest 1121 and lower backrest 1122
Constitute backboard 112 together for children's dependence.One low water mouth 261 is opened at the top of lower backrest 1122, another falls
Notch 261 is opened at the side of lower backrest 1122, when upper backrest 1121 is consistent with the setting direction of lower backrest 1122, card
Pin 262 is caught in the low water mouth 261 at top, limits the rotation of backrest 1121；In upper backrest 1121 and lower backrest
1122 it is perpendicular when, bayonet lock 262 is caught in the low water mouth 261 of side, limits the rotation of backrest 1121.In conjunction with Fig. 6
Shown, when rotating upper backrest 1121, bayonet lock 262 is resisted against the edge of lower backrest 1122, turns to pole in upper backrest 1121
When extreme position, which is automatically snapped onto corresponding low water mouth 261.
As shown in connection with fig. 7, it is also connected with spring at bayonet lock 262, bayonet lock 262 is applied into low water mouth 261 using spring
It is caught in the elastic force in direction, and realizing bayonet lock 262 can automatically snap onto low water mouth 261.
Further, to be installed with unlock at the top of child safety seat 10 convenient for the pulling to the second drag-line 263
Mechanism 24, the unlocking mechanism 24 are connect with the second drag-line 263, can pull the second drag-line 263 by unlocking mechanism 24.
As shown in figure 3, rotatable connection is realized by a shaft 1124 between upper backrest 1121 and lower backrest 1122, upper
When backrest 1121 is in releasing limit state, backrest 1121 can be rotated around shaft 1124 on this.
Preferably, as shown in Figure 7 and Figure 8, releasing mechanism 24 includes vertically arranged a pair of tracks slot 241 and is slidedly arranged on rail
Sliding block 242 in road slot 241, sliding block 242 are connect with the second drag-line 263, pull second by upward sliding sliding block 242 to realize
Drag-line 263.And then realize and pull out bayonet lock 262 out of low water mouth 261, relieve the limit to the rotation of upper backrest 1121.
Preferably, as shown in figure 9, the releasing mechanism 24 of the utility model can pull the first drag-line 234 and second to draw simultaneously
First drag-line 234 and the second drag-line 263 are fixed on a cable connector 244 by rope 263, by the cable connector 244 and a third
Drag-line 243 connects, and as shown in connection with fig. 7, which is fixedly connected with sliding block 242, thus in sliding slider 242,
Third drag-line 243 can be driven, and then is realized by cable connector 244 and pulls the first drag-line 234 and the second drag-line 263 together.
First drag-line 234, the second drag-line 263 and third drag-line 243 are flexible cable, so that when pulling up the first drag-line 234,
First drag-line 234 can pull pin shaft 232 to carry out transverse shifting along pin shaft sliding slot 231.
As shown in figure 8, track groove 241 is opened on a U-shaped structure, and a pair of tracks slot 241 is oppositely arranged, track groove
241 be in vertically arranged, and is set on a pair of of wing plate of U-shaped structure, which is fixedly arranged on the top of backrest 1121, sliding block
242 two sides are slidedly arranged in corresponding track groove 241 by shoulder bolt, opening are offered on the sliding block 242, in order to hand
It protrudes into opening and pulls up sliding block 242.
Further, it as shown in figure 9,244 two sides of cable connector are equipped with sliding pin 2441, and is set in the inside of upper backrest 1121
It is equipped with connector sliding slot 245, two sliding pins 2441 of cable connector 244 are slidedly arranged in connector sliding slot 245, utilize connector sliding slot 245
Play the role of limition orientation to the movement of cable connector 244 with sliding pin 2441, so that cable connector 244 steadily leans on
It is vertically movable to carry on the back 1121.
As shown in Figure 1, being connected with handrail side cover 1111 on side plate 111, which is blocked in guide groove 21
Place, guide groove 21 is covered.
The folding process of the liftable foldable structure of the handrail of the child safety seat of the utility model is said below
It is bright.The foldable structure 20 of the utility model is in state shown in Fig. 1 and Fig. 2 in a state of use, cooperates shown in Fig. 3, herein
When in the state of, bayonet lock 262 snaps onto low water mouth 261, so that the rotation of upper backrest 1121 is in limit state, pin shaft 232
It is inserted into the pin hole 221 of support rod 22, so that the support rod 22 of handrail 113 is in limit state, handrail 113 at this time
It is in stable state with backboard 112, guarantees the comfort of child safety seat.When the folding foldable structure 20, knot
It closes shown in Fig. 6 and Figure 10, pulls up the sliding block 242 in unlocking mechanism 24, so that sliding block 242 is along track groove 241 to moving up
Dynamic, 242 drive third drag-lines 243 of sliding move up, which pulls up the by cable connector 244 simultaneously
Bayonet lock 262 is pulled out out of low water mouth 261, is relieved to upper backrest by one drag-line 234 and the second drag-line 263, the second drag-line 263
The limit of 1121 rotations, the first drag-line 234 pull out pin shaft 232 out of pin hole 221, relieve the limit to support rod 22,
Backrest 1121 is rotated down, the backrest flank 1123 on upper backrest 1121 is resisted against to continue to rotate down on handrail 113 and lean on
Back 1121 is to extreme position, and upper backrest 1121 and lower backrest 1122 are perpendicular at this time, and bayonet lock 262 snaps onto corresponding low water automatically
The rotations of upper backrest 1121 are limited in mouth 261, handrail 113 is depressed into extreme lower position by backrest flank 1123, and support rod 22 is placed in
In guide groove 21, pin shaft 232 is inserted into corresponding pin hole 221 with limited support bar 22.State at this time is as shown in figure 11,
Foldable structure 20 is in the state of complete folding.
Child safety seat provided by the utility model is illustrated below.
As shown in Figure 1, the utility model additionally provides a kind of child safety seat 10, which includes seat
Chair skeleton 11 and the foldable structure 20 being installed on chair framework 11, chair framework 11 include the seating pad being mutually connected vertically and
Backboard 112 is vertically equipped with side plate 111 in the two sides of seating pad, and seating pad therein is for children's ride-on, and backboard 112 is for children
It leans on, for the comfort level for improving child safety seat 10, handrail 113 is installed at side plate 112.
The foldable structure 20 of the utility model can realize that handrail 113 minimizes position, 112 folding of backboard in folding
Folded, the state after folding is as shown in figure 11.
The structure of foldable structure 20 and helping for above-mentioned child safety seat in the utility model child safety seat 10
The structure of the liftable foldable structure 20 of hand is identical, specifically can refer to the structure of the above-mentioned foldable structure 20 of the utility model
Description, details are not described herein.
Combine figure embodiment that the utility model is described in detail above, those skilled in the art can root
Many variations example is made to the utility model according to above description.Thus, certain details in embodiment should not constitute practical to this
Novel restriction, the utility model will be using the ranges that the appended claims define as the protection scope of the utility model.
Claims (10)
1. a kind of liftable foldable structure of the handrail of child safety seat characterized by comprising
The guide groove being opened on the side plate of child safety seat；
Support rod set on handrail bottom, the support rod can be inserted in up or down in the guide groove；
The position-limit mechanism for installing on the side plate and corresponding to the guide groove setting, after the support rod moves up and down adjusting
The support rod is limited by the position-limit mechanism, to realize the lift adjustment of the handrail.
2. the liftable foldable structure of the handrail of child safety seat as described in claim 1, which is characterized in that the support
Pin hole is offered on bar；
The position-limit mechanism includes setting pin shaft sliding slot on the side plate, the pin shaft that is slidedly arranged in the pin shaft sliding slot, being set to
Pin shaft spring between the pin shaft and the pin shaft sliding slot and the first drag-line being connect with the pin shaft；
The pin shaft spring is set between the end face and the corresponding end face of the pin shaft sliding slot of the pin shaft and applies to the pin shaft
Add the elastic force for stretching out the pin shaft sliding slot, and the pin shaft is caught on the support rod in corresponding pin hole to limit
State support rod；
The pin shaft can be pulled to protrude into the pin shaft sliding slot by first drag-line, so that the pin shaft is from corresponding institute
It states in pin hole and removes and release the limit to the support rod.
3. the liftable foldable structure of the handrail of child safety seat as claimed in claim 2, which is characterized in that the children
Unlocking mechanism is installed at the top of safety seat, the unlocking mechanism is connect with first drag-line, passes through the unlocking mechanism
First drag-line can be pulled.
4. the liftable foldable structure of the handrail of child safety seat as described in claim 1, which is characterized in that further include setting
Support spring between the guiding trench bottom and the support rod bottom.
5. the liftable foldable structure of the handrail of child safety seat as described in claim 1, which is characterized in that the children
The backboard of safety seat includes the upper backrest being rotatably connected and lower backrest, and the upper backrest is can turn to perpendicular under described
Backrest, and the upper backrest rotation during push the handrail with enable the support rod be placed in the guide groove and
The handrail is in extreme lower position.
6. the liftable foldable structure of the handrail of child safety seat as claimed in claim 5, which is characterized in that leaned under described
Back offers low water mouth, and described to be above installed with bayonet lock compatible with the low water mouth by back, the bayonet lock is connected with one
Second drag-line；
It is described upper by unlucky rotating, corresponding low water mouth is caught in limit the rotation of the upper backrest by the bayonet lock；
By pulling second drag-line to may make the bayonet lock removes to release out of described low water mouth to turn to the upper backrest
Dynamic limit.
7. the liftable foldable structure of the handrail of child safety seat as claimed in claim 6, which is characterized in that the children
Unlocking mechanism is installed at the top of safety seat, the unlocking mechanism is connect with second drag-line, passes through the unlocking mechanism
Second drag-line can be pulled.
8. the liftable foldable structure of the handrail of child safety seat as claimed in claim 7, which is characterized in that the unlock
Mechanism includes vertically arranged a pair of tracks slot and the sliding block being slidedly arranged in the track groove, the sliding block and second drag-line
Connection pulls second drag-line by sliding block described in upward sliding to realize.
9. a kind of child safety seat characterized by comprising
Chair framework；And
The claim 1 of the chair framework is installed in the foldable structure described in any one of claim 4.
10. child safety seat as claimed in claim 9, which is characterized in that the backboard of the chair framework includes that can turn
The upper backrest and lower backrest of dynamic connection, the upper backrest are can turn to perpendicular to the lower backrest, and are rotated in the upper backrest
During push the handrail support rod be placed in the guide groove and the handrail is in extreme lower position to enable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820977321.0U CN208559105U (en) | 2018-06-22 | 2018-06-22 | Child safety seat and its liftable foldable structure of handrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820977321.0U CN208559105U (en) | 2018-06-22 | 2018-06-22 | Child safety seat and its liftable foldable structure of handrail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208559105U true CN208559105U (en) | 2019-03-01 |
Family
ID=65488437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820977321.0U Active CN208559105U (en) | 2018-06-22 | 2018-06-22 | Child safety seat and its liftable foldable structure of handrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208559105U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108583379A (en) * | 2018-06-22 | 2018-09-28 | 上海沃雨电子科技有限公司 | Child safety seat and its liftable foldable structure of handrail |
| CN110712571A (en) * | 2019-10-23 | 2020-01-21 | 江苏理工学院 | Safety seat for unmanned automobile |
| WO2024002122A1 (en) * | 2022-07-01 | 2024-01-04 | 浙江联宜电机有限公司 | Foldable seat and foldable travel tool |
-
2018
- 2018-06-22 CN CN201820977321.0U patent/CN208559105U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108583379A (en) * | 2018-06-22 | 2018-09-28 | 上海沃雨电子科技有限公司 | Child safety seat and its liftable foldable structure of handrail |
| CN108583379B (en) * | 2018-06-22 | 2024-04-12 | 上海沃雨电子科技有限公司 | Child safety seat and folding structure with lifting armrests thereof |
| CN110712571A (en) * | 2019-10-23 | 2020-01-21 | 江苏理工学院 | Safety seat for unmanned automobile |
| WO2024002122A1 (en) * | 2022-07-01 | 2024-01-04 | 浙江联宜电机有限公司 | Foldable seat and foldable travel tool |
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