CN206914413U - A kind of doll carriage with Quick Release wheel - Google Patents

Abstract

The utility model relates to a kind of doll carriage with Quick Release wheel, front-wheel is installed on the preceding foot lever of frame body by front-wheel seat, and trailing wheel is installed on the rear foot lever of frame body by rear wheel seat；Preceding foot lever has extended downwardly a main shaft, and main shaft bottom has necking part；Front-wheel seat has vertical spindle hole and horizontal Quick Release iron plate hole, and spindle hole intersects with Quick Release iron plate hole in necking part；Quick Release iron plate is in Quick Release iron plate hole horizontal displacement；Quick Release iron plate is provided with the first through hole passed through for main shaft, and first through hole has the Access Division only passed through for necking part and the disengaging portion passed through for main shaft any section, and spring effect makes necking part be frequently located in Access Division；Shell fragment is installed afterwards, shell fragment has the inside and outside stuck point shunk, and stuck point is often through the second through hole of rear foot lever and the third through-hole of rear wheel seat inside foot lever.The utility model presses inward against Quick Release iron plate, pulls downward on front-wheel, you can realizes that wheel is dismantled, simple in construction, easy to operate, reliability is high.

Description

A kind of doll carriage with Quick Release wheel

Technical field

It the utility model is related to doll carriage, more particularly to a kind of doll carriage with Quick Release wheel.

Background technology

Doll carriage is infant's main conveyance, and greatly easily parent goes out to move, played with infant, therefore It is wide welcomed by the people.

Existing doll carriage form, function are varied, and mainly including vehicle frame, pushing hands and wheel, vehicle frame, which has, folds work( Energy.After doll carriage folds, compact structure, it is convenient for carrying, but because the slip of wheel acts on, the doll carriage of folding can not Lean in wall or lie against floor etc., it is greatly inconvenient to come to conveyer belt.

Publication No. CN202879564 Chinese patent discloses a kind of fast disassembling wheels mechanism of doll carriage, including wheel Seat, wheel and wheel shaft, elastic shaft sleeve are inserted with the axis hole of wheel seat, one end of axle sleeve raw material wheel is stretched in bell mouth shape and the section For wheel seat, axle sleeve is provided with a circle convex tendon in the end inwall, and axle sleeve is provided with axially extending open seam in the end, wheel shaft Inner end has the accommodating neck of a circle convex tendon and forms clamping joint in the inner termination of wheel shaft, and the end face of clamping joint is inclined the One spigot surface, formed between clamping joint and neck has second coordinated with the first spigot surface by First terrace, the convex tendon Spigot surface, the second step face coordinated with First terrace.By applying an outside tension force to the bell mouth shape portion of axle sleeve, Again external force wheel and complete the dismounting of wheel.Although above-mentioned patent realizes quick removing vehicle tyres, but the bell mouth shape portion of axle sleeve Repeatedly opening, easily deforms, structural stability and poor reliability, and service life is low.

Utility model content

The purpose of this utility model is to overcome above-mentioned deficiency, there is provided one kind is simple in construction, easy to operate, structure is more steady The fixed reliable perambulator with Quick Release wheel.

To achieve the above object, technical solution of the present utility model is：A kind of doll carriage with Quick Release wheel, Including frame body, two front-wheels and two trailing wheels, front-wheel is installed on the preceding foot lever of frame body by front-wheel seat, and trailing wheel passes through Rear wheel seat is installed on the rear foot lever of frame body；Preceding foot lever has extended downwardly a main shaft, and main shaft bottom has necking part, necking part Compared with its upper and lower radial contraction so as to forming annular groove；Front-wheel seat has cross one another spindle hole and Quick Release iron plate hole, main Axis hole in being vertically arranged and for accommodating main shaft, Quick Release iron plate hole in horizontally disposed and for accommodating Quick Release iron plate, spindle hole with Quick Release iron plate hole intersects in necking part；In Quick Release iron plate hole horizontal displacement, Quick Release iron plate is provided with to be passed through Quick Release iron plate for main shaft First through hole, first through hole have the Access Division that is only capable of passing through for necking part and can for the disengaging portion that main shaft any section passes through, Necking part is set to be frequently located in Access Division by a spring effect；Shell fragment is installed afterwards, shell fragment has the inside and outside card shunk inside foot lever Point, stuck point is often through the second through hole of rear foot lever and the third through-hole of rear wheel seat.

Preferably, first through hole is in waist hole shape, and shell fragment is in a V-shaped.

Preferably, front-wheel seat is provided with the post holes for accommodating spring, and post holes is included above and below the upper and lower of Quick Release iron plate hole Post holes；The upper and lower side of spring is respectively sleeved in post holes up and down, and middle part passes through the spacing hole of Quick Release iron plate；Necking part is located at disengaging portion When, spring is stretched.

Preferably, the end of Quick Release iron plate is provided with a button for being exposed to outer surface.

Preferably, there is the first raised card division in preceding foot lever bottom；Front-wheel seat top has a mounting groove, mounting groove two Side has track, and the both sides of a locating button are slidably connected to track；It is provided with to coordinate with the first card division on the inside of locating button and realizes positioning The second card division.

Preferably, the second card division is located at the elastic card in locating button, and elastic card only has bottom to fix company with locating button Connect；The outside of locating button is provided with the force section for finger force；Preceding foot lever has a positioning port, and the first card division is revealed by positioning port Go out；The bottom of locating button has anticreep protuberance.

Preferably, frame body also includes chair frame, push bracket, support bar, first connecting rod, second connecting rod and third connecting rod；Afterwards Foot lever is fixed on the intermediate ends in a T-shaped joint, and preceding foot lever and support bar are then hingedly connected to the both ends in T-shaped joint；Support bar The other end is fixed on fixed seat of returning the vehicle to the garage and knock off, and the other end for fixed seat of returning the vehicle to the garage and knock off is hinged with the deck that returns the vehicle to the garage and knock off；Return the vehicle to the garage and knock off the other end of deck The end of push bracket is fixed on, the deck that returns the vehicle to the garage and knock off non-rotatably is bonded fixed seat of returning the vehicle to the garage and knock off by locking mechanism, after locking mechanism unblock, Returning the vehicle to the garage and knock off deck can be relative to fixed seat rotation of returning the vehicle to the garage and knock off；First connecting rod one end is articulated with the one end of deck away from push bracket of returning the vehicle to the garage and knock off, the other end It is articulated with rear foot lever；Before being articulated with the middle part of chair frame in the middle part of foot lever, rear end is hinged with second connecting rod and third connecting rod；Second connecting rod The other end be hinged up in support bar bottom, the other end of third connecting rod is then articulated with downwards in the middle part of rear foot lever.

Preferably, the front end of chair frame is hinged with a bound feet and leaned on, and bound feet leans on can Multi-stage rotary.

Preferably, the sunshade bar up and down for fixed shading canopy is also included, lower sunshade bar can Multi-stage rotary.

Preferably, handrail is also included, the both ends of handrail are removably fixed in T-shaped joint by latch.

By using above-mentioned technical scheme, the beneficial effects of the utility model are：It is fast in front-wheel seat by being hidden in Tear iron plate open front vehicle wheel is detachably secured to below frame body, under normality, spring effect, necking part is limited to Access Division Realize and fix, pressed by external force makes Quick Release iron plate displacement, and necking part is located at disengaging portion, pulls downward on front-wheel and front-wheel seat, can be achieved Wheel is dismantled, simple in construction, easy to operate, and reliability is high.Rear wheels are realized with rear foot lever by the shell fragment with stuck point Dismounting positioning, it is simple in construction, it is easy to operate, while be advantageous to mitigate production and manufacturing cost.Front wheels are provided with locating button, to Upper mobile locating button, its first card division and the second card division is coordinated realization positioning, be advantageous to promote doll carriage forward straight, push away It is dynamic more smooth, laborsaving.The linkage design for returning the vehicle to the garage and knock off total, it is simple in construction, parts are few and stability is high.

Brief description of the drawings

Fig. 1 is the structural perspective of right front of the present utility model；

Fig. 2 is the right view of the utility model folded state；

Fig. 3 is the explosive view of front-wheel demountable structure；

Fig. 4 is the structural representation of preceding foot lever bottom；

Fig. 5 is the partial cutaway schematic view of front-wheel seat；

Fig. 6 is the position view that Quick Release iron plate is under clamping state with main shaft, spring；

Fig. 7 is the position view that Quick Release iron plate is under Quick Release state with main shaft, spring；

Fig. 8 is the structural representation of locating button；

Fig. 9 is the explosive view of trailing wheel demountable structure；

Main Reference Numerals explanation：（1st, preceding foot lever；10th, supporting station, 101, bearing-surface；11st, main shaft；111st, necking part； 12nd, front-wheel；13rd, front-wheel seat；131st, spindle hole；132nd, Quick Release iron block hole；133rd, upper post holes；134th, lower post holes；14th, Quick Release iron Block；1411st, Access Division；1412nd, disengaging portion；142nd, spacing hole；15th, spring；16th, the first card division；161st, positioning port；17th, first Mounting groove；171st, track；18th, locating button；181st, the second card division；182nd, elastic card；183rd, force section；184th, anti-delinking part；19、 Button；2nd, rear foot lever；21st, shell fragment；211st, stuck point；22nd, trailing wheel；23rd, rear wheel seat；231st, third through-hole；24th, the second through hole；3、 Support bar；4th, push bracket；41st, locking mechanism；5th, chair frame；51st, bound feet leans on；61st, first connecting rod；62nd, second connecting rod；63rd, the 3rd connects Bar；71st, T-shaped joint；72nd, return the vehicle to the garage and knock off fixed seat；73rd, return the vehicle to the garage and knock off deck；81st, upper sunshade bar；82nd, lower sunshade bar；9th, handrail；91st, insert Pin）.

Embodiment

The utility model is further illustrated below in conjunction with the drawings and specific embodiments.

The direction term being previously mentioned in the utility model, such as：Upper and lower, left and right, front or rear etc., only it is to be directed to specification For the location status of accompanying drawing 1, therefore the direction term mentioned by the utility model is intended to be illustrative and not intended to limit this reality With new.In addition, " normal " that claim 1 refers to is referred specifically under normality.

As illustrated in fig. 1 and 2, a kind of doll carriage with Quick Release wheel, including frame body, two front-wheels 12 and two Trailing wheel 22, front-wheel 12 are removably mounted to the preceding foot lever 1 of frame body by front-wheel seat 13, and trailing wheel 22 is installed by rear wheel seat 23 In the rear foot lever 2 of frame body.

As illustrated in fig. 1 and 2, the structure of frame body is consistent with existing doll carriage, for convenience of understanding, is situated between in detail here Continue a foldable baby stroller, however it is not limited to such doll carriage.

Frame body includes foot lever 2, rectangular chair frame 5, the push bracket with two ends after two preceding foot levers 1, two 4th, two second connecting rods 62 of first connecting rod 61, two of support bar 3, two and two third connecting rods 63, and some bolt connections Part（Do not specifically describe）And joint connector.Above-mentioned part is symmetrical Liang Tao mechanisms and is respectively in the left and right sides, the phase of mechanism The relation that connects specifically is introduced in lower section.

Preceding foot lever 1, rear foot lever 2, support bar 3 are linked together by a T-shaped joint 71 in the type of falling y, and rear foot lever 2 is fixed on The intermediate ends in one T-shaped joint 71, preceding foot lever 1 and support bar 3 are then hingedly connected to the both ends in T-shaped joint 71.

The other end of support bar 3 is fixed on fixed seat 72 of returning the vehicle to the garage and knock off, and the other end of fixed seat of returning the vehicle to the garage and knock off 72 and one returns the vehicle to the garage and knock off deck 73 is be hinged；The other end of deck 73 of returning the vehicle to the garage and knock off is fixed on the end of push bracket 4, the middle part of push bracket 4 be provided with the control of locking mechanism 41 by Key, it can not be rotated against with the deck 73 that returns the vehicle to the garage and knock off by the fixed seat 72 that makes to return the vehicle to the garage and knock off of locking mechanism 41, the locking mechanism 41 and existing baby The locking mechanism of youngster's stroller is consistent, and in this not go into detail.The one end of first connecting rod 61 is articulated with the deck 73 that returns the vehicle to the garage and knock off away from pushing away One end of frame 4, the other end are articulated with rear foot lever 2, and because the deck 73 that returns the vehicle to the garage and knock off is locked, therefore first connecting rod 61 can play fixation The relative position of support bar 3 and rear foot lever 2.

Chair frame 5 is fixed by second connecting rod 62 and the collective effect of third connecting rod 63.The middle part of chair frame 5 is articulated with front foot The middle part of bar 1, rear end is then be hinged with second connecting rod 62 and third connecting rod 63, and the upper end of second connecting rod 62 is articulated with the bottom of support bar 3, the The lower end of three connecting rods 63 is then articulated with the rear middle part of foot lever 2.

The folding mode of above-mentioned folding baby stroller：Locking mechanism 41 is unlocked, the deck 72 that returns the vehicle to the garage and knock off can be with respect to the deck 73 that return the vehicle to the garage and knock off Rotation, push bracket 4 rotate to the upper surface of support bar 3, drive the deck 72 that returns the vehicle to the garage and knock off to carry out 180 ° of upsets, the rearward end of first connecting rod 61 is just Overturn therewith, and foot lever 2 is bonded to the lower surface of support bar 3 after pulling, pushes preceding foot lever 1 to rear foot lever 2, chair frame 5 and second Connecting rod 62 and third connecting rod 63 are by together with folding.Expansion process is opposite with above-mentioned folding mode.Folding process is simple, conveniently, Stability is high, and parts are few, advantageously reduce production cost.

To optimize the function of doll carriage, the front end of chair frame 5 is hinged with a bound feet by 51, bound feet by 51 can Multi-stage rotary, I.e. bound feet passes through the connector with regulation tooth by 51（It is not shown）It is articulated with chair frame 5.In addition, also include for fixed shading The sunshade bar up and down of canopy（81、82）, upper sunshade bar 81 is fixed on push bracket 4, and lower sunshade 82 then and passes through the company with regulation tooth Fitting is articulated with fixed seat 72 of returning the vehicle to the garage and knock off.Here regulation tooth connector it is same as the prior art, be not described in detail, in addition under The connector of sunshade 82 can be integrally formed with fixed seat 72.The utility model also carries dismountable handrail 9, and the two of handrail 9 End is removably fixed in T-shaped joint 71 by latch 91.Trailing wheel 22 carries braking mechanism（It is not shown）.

It the following specifically describes the utility model front and back wheel（12、22）Demountable structure and front-wheel 12 location structure.

As in Figure 3-5, there is a supporting station 10 lower section of preceding foot lever 1, and supporting station 10 has extended downwardly a main shaft 11, main shaft 11 bottoms have necking part 111（Necking part 111 is compared with its upper and lower radial contraction so as to forming annular groove）.Front-wheel seat 13 has One bearing-surface 101, also with cross one another vertical spindle hole 131 and horizontal Quick Release iron plate hole 132.Preceding foot lever 1 is set with When front-wheel seat 13, supporting station 10 is located at the top of bearing-surface 101, and the active force of doll carriage frame, Quick Release are born by bearing-surface 101 Location structure improves the stability and reliability of structure without the weight for being subjected to frame body.Main shaft 1 is set in spindle hole 131, Quick Release iron plate 14 is set in Quick Release iron plate hole 132, and main shaft 11 passes through the first through hole of Quick Release iron plate 14 and just necking part 111 In in first through hole.First through hole is by the Access Division 1411 that is only capable of passing through for necking part 111 and can lead to for any section of main shaft 11 The disengaging portion 1412 crossed is formed, specifically, first through hole may be designed as waist hole shape, both ends Access Division 1411, centre is disengaging portion 1412.There is a spring 15 being vertically arranged in addition, through the spacing hole 142 of Quick Release iron plate 14, the upper and lower side of spring 15 is contained in Upper and lower post holes（133、134）, upper and lower post holes（133、134）Upper and lower positioned at Quick Release iron plate hole 132.For convenience of operation, Quick Release The end of iron plate 14 is provided with a button 19 for being exposed to outer surface.

As shown in fig. 6, under normality, spring 15 is normally upheld, and necking part 111 is located at Access Division 1411, main shaft 11 remaining Position is stopped by the side wall of Access Division 1411 so as to limit upper and lower displacement, therefore front-wheel is non-dismountable.

As shown in fig. 7, under disassembly status, button 19 is pressed inward against, necking part 111 is located at disengaging portion 1412, disengaging portion Upper and lower displacement of 1412 side wall not to 11 any position of main shaft causes to hinder, therefore can be with front-wheel under rapid disassembling 12 and front-wheel Seat 13.Under this state, spring 15 is stretched, and after removing external force, spring automatic reset, Quick Release iron plate 14 resets under the action of the spring To initial position.

As shown in figures 4 and 8, preceding foot lever 1 is provided with a positioning port 161, corresponding with positioning port 161 interior with raised first Card division 16, positioning port 161 are advantageous to the quick position for determining the first card division 16.The top of front-wheel seat 13 has a mounting groove 17, peace The both sides of tankage 17 have track 171, and the both sides of a locating button 18 are slidably connected to track 171.The inner side of locating button 18 is provided with and the One card division 16 coordinates the second card division 181 for realizing positioning.Further, the second card division 181 is located at the elastic card of locating button 18 182, the elastic card 182 only has bottom to be fixedly connected with locating button 181, and remaining position is hanging, improves the convenience of its movement. The outside of locating button 18 is provided with the force section 183 for finger force, and lower inside has an anticreep protuberance 184, seamlessly filled In the dead slot of mounting groove 17（It is not shown）, external force effect locating button 18 just can upper and lower displacement, effectively prevent from coming off.

As shown in figure 9, being provided with shell fragment 21 inside rear foot lever 2, shell fragment 2 has the inside and outside stuck point 211 shunk, stuck point 211 It is often similar with the middle rod of multi-fold umbrella through the second through hole 24 of rear foot lever 2 and the third through-hole 231 of rear wheel seat 23, principle.To carry High resiliency, shell fragment 21 is fabricated from iron, in a V-shaped.

It is above-described, preferred embodiment only of the present utility model, it is impossible to the scope of this practicality implementation is limited, it is all It is the equivalent change and decoration made according to present utility model application the scope of the claims, should all still falls within the scope that the utility model is covered It is interior.

Claims (10)

1. a kind of doll carriage with Quick Release wheel, including frame body, two front-wheels and two trailing wheels, front-wheel pass through front-wheel Seat is installed on the preceding foot lever of frame body, and trailing wheel is installed on the rear foot lever of frame body by rear wheel seat；It is characterized in that：Front foot Bar has extended downwardly a main shaft, and main shaft bottom has a necking part, and necking part is recessed so as to form annular compared with its upper and lower radial contraction Groove；Front-wheel seat has cross one another spindle hole and Quick Release iron plate hole, and spindle hole is in be vertically arranged and for accommodating main shaft, Quick Release In being horizontally disposed with and being used to accommodate Quick Release iron plate, spindle hole intersects with Quick Release iron plate hole in necking part in iron plate hole；Quick Release iron plate in Quick Release iron plate hole horizontal displacement, Quick Release iron plate are provided with the first through hole passed through for main shaft, and first through hole, which has, to be only capable of supplying necking down The Access Division and by a spring effect necking part can be made to be frequently located in clamping for the disengaging portion that main shaft any section passes through that portion passes through Portion；Shell fragment is installed afterwards, shell fragment has the inside and outside stuck point shunk, and stuck point often passes through the second through hole of rear foot lever with after inside foot lever The third through-hole of wheel seat.

2. there is the doll carriage of Quick Release wheel according to claim 1, it is characterised in that:First through hole is in waist hole shape, bullet Piece is in a V-shaped.

3. there is the doll carriage of Quick Release wheel according to claim 2, it is characterised in that:Front-wheel seat is provided with receiving spring Post holes, post holes include positioned at Quick Release iron plate hole upper and lower post holes up and down；The upper and lower side of spring is respectively sleeved in post holes up and down, in Portion passes through the spacing hole of Quick Release iron plate；When necking part is located at disengaging portion, spring is stretched.

4. there is the doll carriage of Quick Release wheel according to claim any one of 1-3, it is characterised in that:The end of Quick Release iron plate Portion is provided with a button for being exposed to outer surface.

5. there is the doll carriage of Quick Release wheel according to claim 3, it is characterised in that:There is projection in preceding foot lever bottom The first card division；Front-wheel seat top has a mounting groove, and mounting groove both sides have track, and the both sides of a locating button are slidably connected to Track；The second card division for coordinating with the first card division and realizing positioning is provided with the inside of locating button.

6. there is the doll carriage of Quick Release wheel according to claim 5, it is characterised in that：Second card division is located in locating button Elastic card, elastic card only has bottom to be fixedly connected with locating button；The outside of locating button is provided with the force for finger force Portion；Preceding foot lever has a positioning port, and the first card division is exposed by positioning port；The bottom of locating button has anticreep protuberance.

7. there is the doll carriage of Quick Release wheel according to claim 1, it is characterised in that：Frame body also include chair frame, Push bracket, support bar, first connecting rod, second connecting rod and third connecting rod；Foot lever is fixed on the intermediate ends in a T-shaped joint, preceding foot lever afterwards The both ends in T-shaped joint are then hingedly connected to support bar；The other end of support bar is fixed on fixed seat of returning the vehicle to the garage and knock off, fixed seat of returning the vehicle to the garage and knock off The other end be hinged with the deck that returns the vehicle to the garage and knock off；The other end of deck of returning the vehicle to the garage and knock off is fixed on the end of push bracket, and the deck that returns the vehicle to the garage and knock off passes through locking machine Structure is non-rotatably bonded fixed seat of returning the vehicle to the garage and knock off, and after locking mechanism unblock, the deck that returns the vehicle to the garage and knock off can be relative to fixed seat rotation of returning the vehicle to the garage and knock off；First connects Bar one end is articulated with the one end of deck away from push bracket of returning the vehicle to the garage and knock off, and the other end is articulated with rear foot lever；Preceding foot lever is articulated with the middle part of chair frame Middle part, rear end are hinged with second connecting rod and third connecting rod；The other end of second connecting rod is hinged up connecting in support bar bottom, the 3rd The other end of bar is then articulated with downwards in the middle part of rear foot lever.

8. there is the doll carriage of Quick Release wheel according to claim 7, it is characterised in that：It is small that the front end of chair frame is hinged with one Pin leans on, and bound feet leans on can Multi-stage rotary.

9. there is the doll carriage of Quick Release wheel according to claim 7, it is characterised in that：Also include for fixed shading The sunshade bar up and down of canopy, lower sunshade bar can Multi-stage rotary.

10. there is the doll carriage of Quick Release wheel according to claim 1, it is characterised in that：Also include handrail, handrail Both ends are removably fixed in T-shaped joint by latch.