CN209051481U - A kind of foldable child hand push vehicle carriage - Google Patents
A kind of foldable child hand push vehicle carriage Download PDFInfo
- Publication number
- CN209051481U CN209051481U CN201821595994.6U CN201821595994U CN209051481U CN 209051481 U CN209051481 U CN 209051481U CN 201821595994 U CN201821595994 U CN 201821595994U CN 209051481 U CN209051481 U CN 209051481U
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- rod
- bar
- wheel bar
- vehicle frame
- handrail
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Abstract
The utility model discloses a kind of foldable child hand push vehicle carriages, belong to perambulator field, including front wheel bar, rear wheel bar, handrail, preceding push rod and rear push-rod, the top of preceding push rod and the bottom of handrail are rotatably assorted by linkage, front rod and back link have been respectively articulated in front wheel bar and rear wheel bar, and front rod and back link are hinged, bottom end and the rear wheel bar of preceding push rod are hinged；One end of rear push-rod is hinged with the sliding sleeve being set on back link, and the other end is movably attached to preceding push rod and states the hinge joint between handrail；Sliding sleeve is slided along back link to cooperate the expansion of vehicle frame and fold.Sliding sleeve is covered on rear push-rod, when being folded by unfolded state, sliding sleeve is along back link forward slip, when being unfolded by collapse state, sliding sleeve is slided backward along back link, will not prevent catching phenomenon because of other component affectings to slidably reciprocating on rear push-rod is slided over.
Description
Technical field
The utility model relates to perambulator fields, specifically, being related to a kind of foldable child hand push vehicle carriage.
Background technique
The vehicle frame of existing perambulator is mostly folding structure, and the existing complex linkages shut down, also have more from structure
Relatively succinct links type.
Such as notification number be CN201086733Y Chinese patent literature disclose a kind of Pushchair fold dress
It sets, Pushchair includes the Suo Qing mechanism of a handle pipe fitting, the first pipe fitting, setting and handle pipe fitting and the first pipe fitting part,
And the second pipe fitting of connection and Suo Qing mechanism, Suo Qing mechanism include the fixing seat for being installed on the first tubular top, are installed on handle
The rotating seat and an axis bolt of pipe fitting bottom end and one end and fixing seat pivot joint are held to seat and the rotating seat of being fixed with fixation
Angle is formed by between pipe fitting and pipe fitting, axis bolt has a limit hole, and folding mechanism further includes actuator, can be sticked in limit
The pin rod and a driving member between pin rod and actuator in position hole, actuator are displaced relative to the second pipe fitting, are detached from pin rod
In the engaging of limit hole, so that axis bolt can be in handle pipe fitting intrinsic displacement.
The vehicle frame that is mainly characterized by of the prior art includes preceding foot lever, rear foot lever and handrail, and three passes through a Link chain device
Structure relatively rotates cooperation, and linkage is either uniaxial mechanism also can have the multiaxis structure of multiple rotation axis；Front foot
The folding and expansion of vehicle frame may be implemented in the relative rotation of bar, rear foot lever and handrail, in order to lock folding and unfolded state,
Settable locking mechanism on linkage.But in the prior art, even being in the ipsilateral each connecting rod of vehicle frame also has in axial direction
Dislocation arrangement, in vehicle frame folding and unfolding there are biggish pinching hidden danger, in addition rear foot bar portion position be difficult to take into account intensity with it is folded
Aesthetics.
Separately there is notification number to be that the Chinese patent literature of CN206344865U discloses a kind of folding baby vehicle, including two symmetrical
The sub- vehicle frame of arrangement, sub- vehicle frame includes front wheel bar, rear wheel bar, handrail, preceding push rod and rear push-rod, rear wheel bar, front wheel bar, handrail
Bar, rear push-rod successively hingedly constitute the first four-bar mechanism of closed loop, are hinged with seat fixed link on rear push-rod；Front wheel bar is with after
It takes turns and is equipped with front rod and back link between bar.Front wheel bar, rear wheel bar, back link and front rod successively hingedly constitute the second of closed loop
Four-bar mechanism, interlocking bar is equipped between two four-bar mechanisms, and interlocking bar one end connects hinged between front rod and rear two sides
Point, the other end and preceding push rod are hinged, are further fixed on the sliding sleeve matched with seat fixed link in the middle part of interlocking bar.When rear wheel bar is with before
When the lower supporter of wheel bar composition is fully deployed, since interlocking bar has the power of pushing tow, after front rod and rear two sides can be allowed to haul
It takes turns bar and front wheel bar to shrink toward inside, additional support is provided.
Although the folding baby vehicle of the patent avoids pinching hidden danger, but since sliding sleeve is matched with seat fixed link,
Vehicle frame folding or when strutting, sliding sleeve is slided along seat fixed link, can be influenced by the seat being mounted in seat fixed link, is easy
There is catching phenomenon.
Utility model content
The purpose of this utility model is to provide a kind of foldable child hand push vehicle carriage, has both been met folded smooth
Beauty, and it is not susceptible to clamping stagnation.
To achieve the goals above, foldable child hand push vehicle carriage provided by the utility model include front wheel bar, after
Bar, handrail, preceding push rod and rear push-rod are taken turns, the top of preceding push rod and the bottom of handrail are rotatably assorted by linkage, preceding
It is respectively articulated with front rod and back link in wheel bar and rear wheel bar, and front rod and back link are hinged, the bottom end of preceding push rod
It is hinged with rear wheel bar；One end of rear push-rod is hinged with the sliding sleeve being set on back link, and the other end is movably attached to preceding push rod
With state the hinge joint between handrail；Sliding sleeve is slided along back link to cooperate the expansion of vehicle frame and fold.
In above-mentioned technical proposal, sliding sleeve is set on rear push-rod, when being folded by unfolded state, sliding sleeve connects after
Bar forward slip, when being unfolded by collapse state, sliding sleeve is slided backward along back link, will not be arrived because of other component affectings
Slidably reciprocating on rear push-rod is slided over, catching phenomenon is prevented.Locking piece is equipped in linkage, when vehicle frame expansion,
Linkage is locked, prevents vehicle frame from voluntarily folding, keeps its structure more stable.
Preferably, the end of rear wheel bar is bent downwardly to form a straight-bar, the top of front wheel bar and the bottom end of straight-bar are hinged.
Preferably, the bottom end of preceding push rod is hinged on the intersection of rear wheel bar and straight-bar.The knot of vehicle frame when making unfolded state
Structure is more stable.One rotation axis can be set in rear wheel bar and straight-bar intersection, be arranged in the bottom end of preceding push rod and match with the rotation axis
The circular rotatable set of conjunction, the edge mate bottom end circular arc of rear wheel bar and the setting of straight-bar intersection and circular rotatable set, realization are pushed forward
The rotation of bar.
Preferably, rear wheel bar is vertically arranged with the straight-bar.The structure of vehicle frame is more when further making unfolded state
Stablize.
Preferably, rear wheel bar is vertically arranged with straight-bar, the angle between rear push-rod and connecting rod is 100 °~120 °.Vehicle
When frame is unfolded, front wheel bar and preceding push rod are on same straight line, and rear wheel bar plays the role of support simultaneously, makes the structure of vehicle frame more
Add stabilization.
Preferably, front rod and back link are on same straight line under unfolded state；Handrail, preceding push rod, straight-bar with
And front wheel bar is on same straight line.Keep body frame structure for automotive more stable.
Preferably, further including a seat fixed link, the hinged rear push-rod in one end of seat fixed link, middle part has and is pushed forward
The hinge joint of bar connection；Guard rail rod is installed, hingedly the rear push-rod, middle part have for one end of guard rail rod above seat fixed link
There is the hinge joint connecting with preceding push rod.Seat is generally cloth shell type mechanism, is set in seat fixed link, when folding, seat
Fixed link to handrail close to.
Preferably, being equipped with the supporting element for being used to support sheet between two handrails, supporting element includes being fixed on two handrails
Fixed frame on the inside of bar and the adjustable shelf being movably connected on the inside of two handrails.By the fixed sheet of supporting element, meanwhile, pass through work
The front and back of moving frame rotates, and realizes the folding of sheet.
Preferably, being equipped with the fastener having locking effect when vehicle frame folds between rear wheel bar and preceding push rod.Make to fold
Vehicle frame afterwards is more stable, to meet folded smooth beauty.
Preferably, fastener includes the fastening piece being arranged in rear wheel bar and preceding push rod one of them and is arranged another
Fastening axis on person, fastening piece are equipped with the locked groove cooperated with fastening axis, and the edge of fastening piece is equipped with the flange convenient for fastening, button
The root of sympodium is equipped with the annular groove of stuck lock groove edge.
Preferably, U-shaped handrail is equipped between two handrails, wherein a handrail is equipped with the cup for holding water cup
Frame.U-shaped handrail is convenient to use and locking releasing mechanism is arranged, and specifically when setting, passes through hauling rope and connects locking releasing mechanism and linkage
Locking piece, the inner space of handrail is arranged in hauling rope.Cup holder conveniently gos out and carries cup.
Reinforce cross bar preferably, being equipped between two rear push-rods.Further enhance the stability of vehicle frame.
It is ridden preferably, being equipped between two front wheels bar, rides and be equipped with non-slip texture.Improve the compact sense of vehicle frame and stabilization
Property, increase aesthetics.
Compared with prior art, the utility model has the following beneficial effects:
The stable structure of the foldable child hand push vehicle carriage of the utility model, smooth beauty after folding, meanwhile, each portion
Part is not susceptible to catching phenomenon when relatively movable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the baby carriage vehicle frame unfolded state of the utility model embodiment；
Fig. 2 is the structural schematic diagram of the baby carriage vehicle frame folding state of the utility model embodiment.
Each appended drawing reference in figure are as follows: 1, front wheel bar；2, rear wheel bar；3, handrail；4, preceding push rod；5, rear push-rod；6, hinge
Mechanism；7, front rod；8, back link；9, straight-bar；10, sliding sleeve；11, connecting rod；12, seat fixed link；13, fastening piece；14, it detains
Sympodium；15, U-shaped handrail；16, cup holder；17, reinforce cross bar；18, it rides；19, locking releasing mechanism；20, guard rail rod；21, fixed frame；
22, adjustable shelf.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, with reference to embodiments and its attached drawing pair
The utility model is described further.
Embodiment
Referring to Fig. 1 and Fig. 2, the foldable child hand push vehicle carriage of the utility model includes front wheel bar 1, rear wheel bar 2, helps
Hand lever 3, preceding push rod 4, rear push-rod 5, seat fixed link 12, guard rail rod 20 and supporting element, the top of preceding push rod 4 and handrail 3
Bottom be rotatably assorted by linkage 6, locking piece is equipped in linkage 6, when vehicle frame expansion, to linkage 6 into
Row locking, prevents vehicle frame from voluntarily folding, keeps its structure more stable.The hinged rear push-rod 5 in one end of seat fixed link 12, middle part tool
There is the hinge joint connecting with preceding push rod 4.Guard rail rod 20 is located at the top of seat fixed link 12, the hinged rear push-rod 5 of one end, middle part
With the hinge joint being connect with preceding push rod 4.Supporting element includes the fixed frame 21 being fixed on the inside of two handrails and is movably connected in
Adjustable shelf 22 on the inside of two handrails, by the sheet of the fixed baby carriage of supporting element, meanwhile, turned by the front and back of adjustable shelf
It is dynamic, realize the folding of sheet.
Front rod 7 and back link 8 are respectively articulated in front wheel bar 1 and rear wheel bar 2, and front rod 7 and back link 8 are mutually cut with scissors
It connects.The end of rear wheel bar 2 is bent downwardly to form a straight-bar 9, and the top of front wheel bar 1 and the bottom end of straight-bar 9 are hinged.Preceding push rod 4
Bottom end is hinged on the intersection of rear wheel bar 2 Yu straight-bar 9, and the rear wheel bar 2 and straight-bar 9 of the present embodiment are vertically arranged, when vehicle frame is unfolded,
Front wheel bar 1 and preceding push rod 4 are on same straight line, and rear wheel bar 2 plays the role of support simultaneously, keeps the structure of vehicle frame more steady
It is fixed.One rotation axis is set in rear wheel bar 2 and 9 intersection of straight-bar, the circle of setting and rotation axis cooperation in the bottom end of preceding push rod 4
Turning set, the edge mate bottom end circular arc of rear wheel bar and the setting of straight-bar intersection and circular rotatable set, the rotation of push rod before realizing.
One end of rear push-rod 5 is hinged with the sliding sleeve 10 being set on back link 8, and the other end is bent upwards to form a connecting rod
11, the angle between rear push-rod 5 and connecting rod 11 is 100 °.Before the end of connecting rod 11 is connected between push rod 4 and handrail 3
Hinge joint, linkage 6 is arranged at the interface point, public in other patents since linkage 6 is the prior art
It opens, therefore details are not described herein again.
The fastener having locking effect when vehicle frame folds is equipped between rear wheel bar 2 and preceding push rod 4, which includes setting
It sets in the fastening piece 13 in rear wheel bar 2 and the fastening axis 14 being arranged on preceding push rod 4, fastening piece 13 is equipped with matches with fastening axis 14
The locked groove of conjunction, the edge of fastening piece are equipped with the flange convenient for fastening, and the root of fastening axis 14 is equipped with the annular of stuck lock groove edge
Groove.
U-shaped handrail 15 is equipped between two handrails 3, wherein a handrail is equipped with the cup holder 16 for holding water cup.Cup
Frame 16 can conveniently go out and carry cup.Locking releasing mechanism 19 is set on U-shaped handrail, locking releasing mechanism 19 and hinge are connected by hauling rope
The inner space of handrail 3 is arranged in the locking piece of mechanism 6, hauling rope.Locking releasing mechanism 19 and locking releasing mechanism 19 and Link chain device
Connection type between structure 6 belongs to the prior art, discloses in other patents, therefore details are not described herein again.
It is equipped between two rear push-rods 5 and reinforces cross bar 17.Strengthen the stability of vehicle frame.It is equipped between two front wheels bar 1 foot-operated
18, it rides 18 and is equipped with non-slip texture.The compact sense of vehicle frame and stability are improved, aesthetics is increased.
When folding, the locking piece of linkage 6 is unlocked by the locking releasing mechanism 19 on U-shaped handrail 15 first, by U
Type handrail 15 is lifted up, while the bottom end of handrail 3 being made to compress the top of preceding push rod 4 downwards, and handrail 3 is opposite at this time is pushed forward
Bar 4 folds, and preceding 4 opposing rear wheels bar 2 of push rod folds, and front rod 7 is folded with respect to back link 8, and sliding sleeve 10 is along back link 8 to advancing slip
Dynamic, front wheel bar 1 is folded with respect to straight-bar 9, and after entire vehicle frame folds completely, fastening piece 13 is clasped fastening axis 14.It is when expansion, then first
First fastening piece 13 and fastening axis 14 are separated, then the U-shaped handrail 15 of pull-up, all components start to spread out, and when being fully deployed, are pushed forward
It is locked between bar 4 and handrail 3, front wheel bar 1, preceding push rod 4 and handrail 3 are on same straight line, front rod 7 and back link 8
On same straight line.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of foldable child hand push vehicle carriage, including front wheel bar, rear wheel bar, handrail, preceding push rod and rear push-rod, described
The top of preceding push rod and the bottom of the handrail are rotatably assorted by linkage, it is characterised in that:
Front rod and back link, and the front rod and the back link have been respectively articulated in the front wheel bar and the rear wheel bar
It is hinged,
The bottom end of the preceding push rod is hinged with the rear wheel bar；
One end of the rear push-rod is hinged with the sliding sleeve being set on the back link, and the other end is movably attached to the preceding push rod
With the hinge joint between the handrail；The sliding sleeve is slided along back link to cooperate the expansion of the vehicle frame and fold.
2. baby carriage vehicle frame according to claim 1, it is characterised in that:
The end of the rear wheel bar is bent downwardly to form a straight-bar, the bottom end hinge on the top of the front wheel bar and the straight-bar
It connects.
3. baby carriage vehicle frame according to claim 2, it is characterised in that:
The bottom end of the preceding push rod is hinged on the intersection of the rear wheel bar Yu the straight-bar.
4. baby carriage vehicle frame according to claim 2, it is characterised in that:
The rear wheel bar is vertically arranged with the straight-bar.
5. baby carriage vehicle frame according to claim 2, it is characterised in that:
Under unfolded state, the front rod and the back link are on same straight line；The handrail, it is described before
Push rod, the straight-bar and the front wheel bar are on same straight line.
6. baby carriage vehicle frame according to claim 1, it is characterised in that:
It further include a seat fixed link, the hinged rear push-rod in one end of the seat fixed link, middle part has to be pushed forward with described
The hinge joint of bar connection；
Guard rail rod is installed, hingedly the rear push-rod, middle part have for one end of the guard rail rod above the seat fixed link
The hinge joint being connect with the preceding push rod.
7. baby carriage vehicle frame according to claim 1, it is characterised in that:
The supporting element for being used to support sheet is equipped between two handrails, the supporting element includes being fixed on consolidating on the inside of two handrails
The adjustable shelf determining frame and being movably connected on the inside of two handrails.
8. baby carriage vehicle frame according to claim 1, it is characterised in that:
The fastener having locking effect when vehicle frame folds is equipped between the rear wheel bar and the preceding push rod.
9. baby carriage vehicle frame according to claim 8, it is characterised in that:
The fastener includes the fastening piece being arranged in the rear wheel bar and the preceding push rod one of them and is arranged another
Fastening axis in one, the fastening piece are equipped with the locked groove cooperated with the fastening axis, and the edge of the fastening piece is equipped with just
In the flange of fastening, the root of the fastening axis is equipped with the annular groove for blocking the locked groove edge.
10. baby carriage vehicle frame according to claim 1, it is characterised in that:
U-shaped handrail is equipped between two handrails, wherein a handrail is equipped with the cup holder for holding water cup；
It is equipped between two rear push-rods and reinforces cross bar；
It is equipped with and rides between two front wheels bar, it is described foot-operated equipped with non-slip texture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821595994.6U CN209051481U (en) | 2018-09-28 | 2018-09-28 | A kind of foldable child hand push vehicle carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821595994.6U CN209051481U (en) | 2018-09-28 | 2018-09-28 | A kind of foldable child hand push vehicle carriage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209051481U true CN209051481U (en) | 2019-07-02 |
Family
ID=67049629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821595994.6U Active CN209051481U (en) | 2018-09-28 | 2018-09-28 | A kind of foldable child hand push vehicle carriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209051481U (en) |
-
2018
- 2018-09-28 CN CN201821595994.6U patent/CN209051481U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |