CN208646953U - A kind of perambulator - Google Patents

Abstract

The utility model relates to a kind of perambulators, including vehicle frame and for the seat of placing baby, the support wheel group for being used to support vehicle frame is connected on the vehicle frame, the positioning mechanism for seat limit is provided between the vehicle frame and seat, the seat includes the backrest portion being mutually permanently connected and support portion, the backrest portion is connected with harness, and the support portion is connected with drawstring, and the fixed mechanism for drawstring positioning is provided between the harness and drawstring.The utility model has the following advantages that and effect: this programme utilizes new mechanical structure, and the person of nursing a baby is made to be not easy to feel tired, promotes usage experience.

Description

A kind of perambulator

Technical field

The utility model relates to a kind of perambulators.

Background technique

Outgoing with one-year-old following baby is a thing very troublesome, usually can all be push outside him with a perambulator Out.Perambulator is the tool that the person of nursing a baby generally uses, and the vehicle of perambulator is varied, and perambulator is lain or be seated at for baby Interior, the person of nursing a baby can push perambulator and move freely, and especially provide convenience for baby's outdoor activities.

Currently, the Chinese patent that notification number is CN205469214U discloses a kind of foldable pushchair, it connects before including Linkage, back link mechanism, seat part, seat cushion bar assembly, back part and backrest bar assembly.Before front rod mechanism includes Leg, foreleg have upper end and are equipped with the lower end of front wheel device.Back link mechanism includes back leg, and back leg has upper end and is equipped with The lower end of rear-wheel device.Seat cushion bar assembly is used to support seat part.Backrest bar assembly is used to support back part.Foldable baby When youngster's vehicle is moved to its folded state from its unfolded state: the lower end of foreleg and the lower end of back leg move toward one another, thus before making The lower end of leg and the lower end of back leg are close to each other, until the distance between the lower end of foreleg and the lower end of back leg reach minimum value, It contacts with each other at this point, the front wheel device of foreleg and the rear-wheel device of back leg close up to contacting with each other or approaching.

This foldable baby bassinet structure is simple, and vehicle is small in size after folding, easy to carry, and can preferably avoid It stains, but thinks and the person of nursing a baby gets close to when baby is not desired to be sitting in perambulator, the person of nursing a baby will take baby in one's arms, with a hand Or two hands embrace babies, and embracing a baby for a long time can make arm feel tired, meanwhile, it is also not easy to the person of nursing a baby and takes on hand object Product, usage experience are poor.

Utility model content

In view of the deficienciess of the prior art, the utility model lies in that provide a kind of perambulator, by by seat and vehicle frame It is detachably connected, seat is carried on the back with the person of nursing a baby by harness, so that the person of nursing a baby is liberated both hands, reaches promotion user experience Purpose.

To achieve the above object, the utility model provides following technical solution: a kind of perambulator, including vehicle frame and is used for The seat of placing baby is connected with the support wheel group for being used to support vehicle frame on the vehicle frame, sets between the vehicle frame and seat It is equipped with the positioning mechanism for seat limit, the seat includes the backrest portion being mutually permanently connected and support portion, described Backrest portion is connected with harness, and the support portion is connected with drawstring, and it is fixed for drawstring to be provided between the harness and drawstring The fixed mechanism of position.

By using above-mentioned technical proposal, seat is placed on vehicle frame, seat is fixed on by vehicle frame by positioning mechanism On, baby lies in or is seated on the seat；When baby wants to get close to the person of nursing a baby, seat is removed from vehicle frame, harness is hung It is located on shoulder, baby is placed in the chest for the person of nursing a baby, by the pulling force effect of harness, make support portion toward the side close to backrest portion To bending, so that support portion and backrest portion is formed pocketed, baby is made to be not easy to fall from seat, meanwhile, liberate the double of the person of nursing a baby Hand, by whole body to baby support, is not easy to feel tired, promotes user experience convenient for article of taking.

The utility model is further arranged to: the fixed mechanism includes fixed plate and fixed link, the fixed plate On offer placing groove, the fixed link is fixed in placing groove, the drawstring pass through placing groove and around after fixed link from Placing groove is pierced by, and the inner wall of the drawstring and placing groove contradicts.

By using above-mentioned technical proposal, drawstring tensioning between drawstring and fixed link, is generated between drawstring and fixed plate and is rubbed Power is wiped, makes fixed plate be not easy to unclamp with drawstring by the effect of frictional force；In the case where drawstring loosens, by pulling drawstring remote One end from support portion, can the distance between adjustment fixing plate and support portion, enable adaptation to different size of baby, mention Rise comfort type.

The utility model is further arranged to: the portion's of being used to support positioning is provided between the backrest portion and support portion Position-limit mechanism is fixed with shoulder protector portion in the backrest portion.

By using above-mentioned technical proposal, shoulder protector portion improves the protective effect to baby, meanwhile, make baby on seat When overturning, it is not easy to fall from seat；By the position-limit mechanism of position-limit mechanism, the connection of backrest portion and support portion is further promoted Stability makes baby be not easy to slide from support portion.

The utility model is further arranged to: the position-limit mechanism includes positioning sleeve and support plate, the positioning sleeve It is connect with backrest portion, accommodating chamber is offered on the positioning sleeve, pressing groove is offered on the side wall of the positioning sleeve, it is described It presses and offers location hole on the inner wall of groove, the location hole is connected to accommodating chamber, is fixed in the support plate multiple Elastic rod is connected with the locating piece for contradicting with pressing groove inner wall on the elastic rod.

By using above-mentioned technical proposal, locating piece is passed through into accommodating chamber and is pierced by again from location hole, the bullet of elastic rod is passed through Power effect makes locating piece and presses the inner wall conflict of groove, makes support plate be not easy to deviate from from positioning sleeve, apply to locating piece past Close to the pressure for accommodating cavity direction, locating piece is separated with the inner wall of pressing groove and is placed in accommodating chamber, and support plate can be realized It is easy to operate with the separation of positioning sleeve.

The utility model is further arranged to: directing plate, the adjacent guidance are fixed on the inner wall of the positioning sleeve Guiding groove is formed between plate, and the guide post for being arranged in guiding groove, the guide post are provided in the support plate It is connect by U-shaped elastic piece with locating piece.

By using above-mentioned technical proposal, guide post is arranged in guiding groove, realizes the guiding function of support plate, is positioned Block and the inner wall of accommodating chamber contradict, and the extruding force of generation keeps locating piece mobile toward the direction of close guide post, with guide post It is further mobile, when locating piece and pressing groove to it is corresponding when because of the effect of the elastic force of U-shaped elastic piece and elastic rod, locating piece is embedded It is contradicted in pressing groove and with the inner wall of pressing groove, when applying locating piece toward close to the pressure for accommodating cavity direction, U-shaped Elastic piece deformation extracts guide post out from guiding groove, consequently facilitating realizing the separation of support plate and positioning sleeve.

The utility model is further arranged to: being connected with adjusting band on the support portion, is fixed in the support plate There is adjusting rod, the adjusting band bypasses adjusting rod, is hinged with gland in the support plate, is fixed on the gland multiple Positioning tooth, the positioning tooth overturn with gland and are embedded in adjusting band.

By using above-mentioned technical proposal, pulls and adjust band, adjust the distance between support plate and support portion, it will Gland is overturn along hinged place, and positioning tooth is embedded in adjusting band, biggish frictional force is generated, realizes support plate and adjusting rod Between fixation.

The utility model is further arranged to: holding rod is connected on the gland, between the holding rod and gland Form putting hole.

By using above-mentioned technical proposal, by holding holding rod, overturn convenient for realizing gland, meanwhile, putting hole Inner wall increases the frictional force between the person's of nursing a baby hand, is further easy to implement the overturning of gland.

The utility model is further arranged to: the positioning mechanism include mounting hole, buffer zone, positioning seat, briquetting, Shoulder belt, positioning plate and limit assembly, the mounting hole are opened in the middle part of support portion, and the buffer zone passes through mounting hole simultaneously It is connect with positioning seat, the shoulder belt both ends are fixed on vehicle frame, and the positioning plate is connect with shoulder belt, and the briquetting is sliding It is dynamic to be connected on positioning seat, it is positioned between the briquetting, positioning seat and positioning plate by limit assembly.

By using above-mentioned technical proposal, buffer zone is passed through into mounting hole, makes baby during movable, seat is not easy It is slid from vehicle frame, will then be positioned between briquetting, positioning seat and positioning plate by limit assembly, allow shoulder belt to baby Shoulder protection is provided, buffer zone is located between two legs of baby, and buffer zone and two shoulder belts realize the positioning to baby, guarantee Baby safe.

The utility model is further arranged to: the limit assembly includes limit chamber, positioning protrusion, elastomer block, connection Hole, elastic supporting bar, contradicts inclined-plane and locating plate at conflict block, and the limit chamber is opened on the side wall of positioning seat, described Positioning protrusion is fixed on the inner wall of limit chamber, and the conflict block is fixed in briquetting, the locating plate be fixed on to Contact block is placed in limit chamber, and the conflict inclined-plane is opened in conflict block for contradicting with elastomer block, the connecting hole It is opened in elastomer block for being arranged positioning protrusion, the elastic supporting bar is fixed on positioning plate, the resilient support There is between elastomer block and the inner wall of limit chamber displacement play when bar is arranged in limit chamber.

By using above-mentioned technical proposal, by positioning plate toward close to the movement of the direction of positioning seat, elastic supporting bar and elasticity Block penetrates into limit chamber, and the lower surface of elastic supporting bar and limit chamber contradicts, and the upper surface of elastomer block and limit chamber contradicts, with The further movement of positioning plate, elastomer block and positioning protrusion contradict and deformation occurs, until positioning protrusion is embedded at connecting hole In, the upper surface of elastomer block and conflict block contradict, and positioning plate can not be extracted out from positioning seat；Briquetting is applied toward close to positioning The pressure in seat direction, conflict block separates elastomer block simultaneously with positioning protrusion, and by conflict inclined-plane by elastomer block toward remotely located The direction of seat pushes, and removes elastomer block from limit chamber, easy to operate.

The utility model is further arranged to: offer link slot and sliding slot on the positioning plate, the link slot with Sliding slot is connected to, and slidably connects slide plate in the sliding slot, and intercommunicating pore is offered on the slide plate, and the shoulder belt includes adjusting Section and fixed section, the adjusting section are pierced by from link slot and are fixed with limit section, the adjusting after passing through link slot and intercommunicating pore Section and the end of slide plate contradict, and the protective jacket for contradicting with baby chest, the fixation are arranged on the fixed section Be connected with retaining ring in section, be fixed with check lock lever in the middle part of the retaining ring, the end of the fixed section around check lock lever and After positioning plate further around cross check lock lever and sew on the surface of fixed section.

It pulls in the case where adjusting section is loosened by using above-mentioned technical proposal and adjusts section, enable positioning seat is past to lean on The direction of nearly baby is mobile, and buffer zone and baby are contradicted, and when adjusting section tensioning, passes through the friction masterpiece between slide plate With realization adjusts the positioning of section, realizes the positioning to baby；By mobile retaining ring, fixed section can be tensioned, make protective jacket It is contradicted with the chest of baby, promotes the protective effect to baby.

In conclusion the utility model has the following beneficial effects:

Seat is placed on vehicle frame, seat is fixed on vehicle frame by positioning mechanism, baby lies in or be sitting in seat On；When baby wants to get close to the person of nursing a baby, seat is removed from vehicle frame, harness is hung on shoulder, baby is placed in The chest for the person of nursing a baby bends support portion toward the direction close to backrest portion, makes support portion and backrest by the pulling force effect of harness Portion forms pocketed, and baby is made to be not easy to fall from seat, meanwhile, the both hands for the person of nursing a baby are liberated, convenient for article of taking, by complete Body is not easy to feel tired, promotes user experience to baby support.

Detailed description of the invention

Fig. 1 is the external structure schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram for embodying positioning mechanism；

Fig. 3 is the structural schematic diagram for embodying seat；

Fig. 4 is the structural schematic diagram for embodying position-limit mechanism；

Fig. 5 is the structural schematic diagram for embodying positioning seat；

Fig. 6 is the structural schematic diagram for embodying positioning plate；

Fig. 7 is the structural schematic diagram for embodying retaining ring；

Fig. 8 is the structural schematic diagram for embodying fixed mechanism；

Fig. 9 is the structural schematic diagram for embodying support plate；

Figure 10 is the structural schematic diagram for embodying positioning sleeve.

Appended drawing reference: 1, vehicle frame；11, universal wheel；12, support wheel；13, placing box；14, placement plate；141, air hole； 15, protecting leather cover；16, it rests the head on；17, parasol is folded；2, seat；21, backrest portion；22, support portion；23, shoulder protector portion；3, Positioning mechanism；31, mounting hole；32, buffer zone；33, positioning seat；34, briquetting；35, shoulder belt；351, section is adjusted；352, fixed Section；36, positioning plate；37, limit assembly；41, limit chamber；42, positioning protrusion；43, elastomer block；44, connecting hole；45, conflict block； 46, elastic supporting bar；47, inclined-plane is contradicted；48, locating plate；51, link slot；52, sliding slot；53, slide plate；531, intercommunicating pore；61, Protective jacket；62, retaining ring；63, check lock lever；71, drawstring；72, harness；73, fixed mechanism；731, fixed plate；732, fixed link； 74, placing groove；75, directing plate；8, position-limit mechanism；81, positioning sleeve；82, support plate；83, accommodating chamber；84, groove is pressed；85, Location hole；86, elastic rod；87, locating piece；88, guide post；89, U-shaped elastic piece；91, band is adjusted；92, adjusting rod；93, it presses Lid；94, positioning tooth；95, holding rod；96, putting hole.

Specific embodiment

The utility model is described further referring to attached drawing.

A kind of perambulator, including vehicle frame 1.There are two universal wheels 11 for the front end connection of vehicle frame 1, and there are two supports for rear end connection Wheel 12.Placing box 13 is installed in the lower part of vehicle frame 1, to store sundries.Horizontally disposed put is connected at the middle part of vehicle frame 1 Set plate 14.Multiple air holes 141 are offered in placement plate 14.

Permeable net cover is arranged in placement plate 14.There are two tilting bars for connection on vehicle frame 1, connect between two tilting bars It is connected to support mesh enclosure.It is fixed with fixing belt on vehicle frame 1, to support to tilting bar.The lower end of tilting bar and placement plate 14 End connection.Placement bar is hinged in the upper end of tilting bar.Protecting leather cover 15 is sewed on support mesh enclosure.Protecting leather cover 15 In the top of tilting bar.Headrest 16 is sewed on protecting leather cover 15, headrest 16 is located at the top for placing bar.Baby is set to be not easy to hit To tilting bar, place bar and it is injured.

It is connected in the upper end of vehicle frame 1 and folds parasol 17.

Seat 2 is provided on vehicle frame 1.Seat 2 is made of cortex product package cotton.Seat 2 includes integrated setting Backrest portion 21 and support portion 22.A shoulder protector portion 23 is respectively fixed in the left and right sides of backrest portion 21.Backrest portion 21 with The junction of support portion 22 is provided with bending place.Placement plate 14 supports mesh enclosure to backrest portion to support to support portion 22 21 supports.Backrest portion 21 is located at 16 lower section of headrest.

The positioning mechanism 3 limited for seat 2 is provided on vehicle frame 1.Positioning mechanism 3 include mounting hole 31, buffer zone 32, Positioning seat 33, briquetting 34, shoulder belt 35, positioning plate 36 and limit assembly 37.Limit assembly 37 includes limit chamber 41, positioning protrusion 42, elastomer block 43, connecting hole 44, conflict block 45, elastic supporting bar 46, conflict inclined-plane 47 and locating plate 48.Mounting hole 31 is in length Strip is opened in the middle part of support portion 22.32 one end of buffer zone is fixed on permeable net cover, and the other end passes through mounting hole 31, is prevented The width of the one end of protecting band 32 far from permeable net cover is greater than the length of mounting hole 31.Buffer zone 32 is after mounting hole 31 and fixed Position seat 33 is fixedly connected.

Limit chamber 41 is opened on the side wall of opposite two sides of positioning seat 33.Positioning protrusion 42 is fixed on limit chamber 41 Upper surface.The ellipsoidal cross section of briquetting 34 is slidably connected on positioning seat 33.Conflict block 45 is fixed in briquetting 34 simultaneously And it is arranged in limit chamber 41.Conflict block 45 is located at the two sides of positioning protrusion 42.By 48 integrated setting of locating plate in conflict block It on 45 outer wall and is always positioned in limit chamber 41, to contradict with the upper surface of limit chamber 41, prevents briquetting 34 from positioning Deviate from seat 33.Inclined-plane 47 is contradicted to be opened in conflict block 45.43 one end of elastomer block is fixed on positioning plate 36, and the other end is hanging Setting.Connecting hole 44 is opened in the middle part of elastomer block 43 for being arranged positioning protrusion 42.Elastic supporting bar 46 is fixed on positioning plate On 36, the other end is vacantly arranged.Elastic supporting bar 46 is located at the left and right sides of elastomer block 43, and the thickness of elastic supporting bar 46 is big In the thickness of elastomer block 43.When elastic supporting bar 46 is arranged in limit chamber 41, the inner wall of elastomer block 43 and limit chamber 41 it Between have displacement play.

The upper surface of positioning plate 36 offers link slot 51, and sliding slot 52 is offered on side wall；Link slot 51 and sliding slot 52 connect It is logical.Slide plate 53 is slidably connected in sliding slot 52, the middle part of slide plate 53 offers intercommunicating pore 531.The length and connection of intercommunicating pore 531 The equal length of slot 51, the width of intercommunicating pore 531 are less than the width of link slot 51.Shoulder belt 35 includes adjusting section 351 and fixed section 352.The one end for adjusting section 351 sews on protecting leather cover 15, and the other end is after link slot 51 and intercommunicating pore 531 from link slot 51 are pierced by and are fixed with limit section.The thickness for limiting section is greater than the width of intercommunicating pore 531.Adjust the end of section 351 and slide plate 53 It contradicts.

The sewing of 352 one end of fixed section is in the lower section of headrest 16.It is arranged on fixed section 352 for being contradicted with baby chest Protective jacket 61.The inside of protective jacket 61 is made of cotton, and outside is made of leather.It is slidably connected on fixed section 352 Retaining ring 62, the middle part of retaining ring 62 are fixed with check lock lever 63.The one end of fixed section 352 far from headrest 16 is around after check lock lever 63 Across positioning plate 36, then passes around check lock lever 63 and sew on the surface of fixed section 352.When retaining ring 62 is toward close to positioning plate When 36 direction is mobile, the distance between positioning plate 36 and headrest 16 increase, and make baby convenient for activity；When retaining ring 62 is toward separate When the direction of positioning plate 36 is mobile, the distance between positioning plate 36 and headrest 16 reduce, and so that protective jacket 61 is adjacent to baby, baby is not It is easily fallen from vehicle frame 1, promotes safety.

Harness 72 is sewed in the side of backrest portion 21 towards support mesh enclosure.In support portion 22 towards the side of permeable net cover It is sewed with drawstring 71.Fixed mechanism 73 is provided between drawstring 71 and harness 72.

Fixed mechanism 73 includes fixed plate 731 and fixed link 732, and fixed plate 731 is fixed on harness 72.In fixed plate 731 middle part offers placing groove 74, and fixed link 732 is fixed on to the middle part of placing groove 74.Drawstring 71 is far from support portion 22 One end bypasses fixed link 732 after passing through placing groove 74, then is pierced by from placing groove 74.Drawstring 71 and the inner wall of placing groove 74 are supported Touching.When drawstring 71 is tensioned, larger frictional force is generated between drawstring 71 and fixed link 732, meanwhile, drawstring 71 and placing groove 74 it Between also generate biggish frictional force.

The position-limit mechanism 8 of the positioning of the portion of being used to support 22 is provided between backrest portion 21 and support portion 22.Position-limit mechanism 8 includes Positioning sleeve 81 and support plate 82.Positioning sleeve 81 is fixedly connected with shoulder protector portion 23.Positioning sleeve 81 is opened up far from the one end in shoulder protector portion 23 There is accommodating chamber 83.Pressing groove 84 is offered on the side wall of positioning sleeve 81.It presses and offers location hole on the inner wall of groove 84 85, location hole 85 is connected to accommodating chamber 83.It is fixed with directing plate 75 on the inner wall of positioning sleeve 81, is formed between two directing plates 75 Guiding groove, guiding groove are located between two pressing grooves 84.

Fixed in support plate 82 there are two elastic rods 86, are connected in elastic rod 86 far from one end integration of support plate 82 Locating piece 87 for being contradicted with pressing 84 inner wall of groove.The guidance for being arranged in guiding groove is provided in support plate 82 Column 88, guide post 88 are connect by U-shaped elastic piece 89 with locating piece 87.Step is fixed on locating piece 87.By support plate 82 Toward close to the movement of the direction of positioning sleeve 81, guide post 88 is arranged in guiding groove, locating piece 87 and the inner wall of accommodating chamber 83 support Touching, with the further movement of support plate 82, locating piece 87 is pierced by from location hole 85, and is embedded in pressing groove 84, is made Locating piece 87 is fastened on pressing groove 84.

It is sewed on support portion 22 and adjusts band 91.It is fixed with adjusting rod 92 in support plate 82, band 91 will be adjusted far from support The one end in portion 22 bypasses adjusting rod 92.It is hinged with gland 93 in support plate 82, is fixed in the side of gland 93 towards adjusting rod 92 There are multiple positioning tooths 94 arranged side by side, positioning tooth 94 overturns and is embedded at gland 93 and adjusts in band 91.

It is connected with holding rod 95 on gland 93, forms putting hole 96 between the holding rod 95 and gland 93.

The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.

Claims (8)

1. a kind of perambulator, including vehicle frame (1) and for the seat (2) of placing baby, it is connected on the vehicle frame (1) for branch Support wheel (12) group for supportting vehicle frame (1), it is characterized in that: being provided between the vehicle frame (1) and seat (2) for seat (2) The positioning mechanism (3) of limit, the seat (2) include the backrest portion (21) being mutually permanently connected and support portion (22), described Backrest portion (21) be connected with harness (72), the support portion (22) is connected with drawstring (71), the harness (72) and draw The fixed mechanism (73) for drawstring (71) positioning is provided between band (71)；

The fixed mechanism (73) includes fixed plate (731) and fixed link (732), and the fixed plate offers on (731) Placing groove (74), the fixed link (732) are fixed in placing groove (74), the drawstring (71) pass through placing groove (74) and around It is pierced by after crossing fixed link (732) from placing groove (74), the inner wall of the drawstring (71) and placing groove (74) contradicts, the backrest The position-limit mechanism (8) of the portion of being used to support (22) positioning, the backrest portion (21) are provided between portion (21) and support portion (22) On be fixed with shoulder protector portion (23).

2. a kind of perambulator according to claim 1, it is characterized in that: the position-limit mechanism (8) includes positioning sleeve (81) With support plate (82), the positioning sleeve (81) is connect with backrest portion (21), and the positioning sleeve offers accommodating chamber on (81) (83), pressing groove (84) is offered on the side wall of the positioning sleeve (81), is offered on the inner wall of pressing groove (84) Location hole (85), the location hole (85) are connected to accommodating chamber (83), and the support plate is fixed with multiple elastic rods on (82) (86), the locating piece (87) for contradicting with pressing groove (84) inner wall is connected on the elastic rod (86).

3. a kind of perambulator according to claim 2 draws it is characterized in that: being fixed on the inner wall of the positioning sleeve (81) Guide plate (75) forms guiding groove between the adjacent directing plate (75), and the support plate is provided on (82) for being arranged in Guide post (88) in guiding groove, the guide post (88) are connect by U-shaped elastic piece (89) with locating piece (87).

4. a kind of perambulator according to claim 2, it is characterized in that: being connected with adjusting band on the support portion (22) (91), it is fixed with adjusting rod (92) in the support plate (82), the adjusting band (91) bypasses adjusting rod (92), the branch It is hinged on fagging (82) gland (93), multiple positioning tooths (94), the positioning tooth is fixed on the gland (93) (94) it overturns and is embedded in adjusting band (91) with gland (93).

5. a kind of perambulator according to claim 4, it is characterized in that: being connected with holding rod on the gland (93) (95), putting hole (96) are formed between the holding rod (95) and gland (93).

6. a kind of perambulator according to claim 1, it is characterized in that: the positioning mechanism (3) include mounting hole (31), Buffer zone (32), positioning seat (33), briquetting (34), shoulder belt (35), positioning plate (36) and limit assembly (37), the installation Hole (31) is opened in the middle part of support portion (22), and the buffer zone (32) passes through mounting hole (31) and connects with positioning seat (33) It connects, the shoulder belt (35) both ends are fixed on vehicle frame (1), and the positioning plate (36) is connect with shoulder belt (35), and described presses Briquetting (34) is slidably connected on positioning seat (33), is led between the briquetting (34), positioning seat (33) and positioning plate (36) Cross limit assembly (37) positioning.

7. a kind of perambulator according to claim 6, it is characterized in that: the limit assembly (37) includes limit chamber (41), positioning protrusion (42), elastomer block (43), connecting hole (44), conflict block (45), elastic supporting bar (46), conflict inclined-plane (47) it is opened on the side wall of positioning seat (33) with locating plate (48), the limit chamber (41), the positioning protrusion (42) It is fixed on the inner wall of limit chamber (41), the conflict block (45) is fixed on briquetting (34), the locating plate (48) Conflict block (45) is fixed on to be placed in limit chamber (41), the conflict inclined-plane (47) be opened on conflict block (45) for Elastomer block (43) contradicts, and the connecting hole (44) is opened in for being arranged positioning protrusion (42) on elastomer block (43), described Elastic supporting bar (46) is fixed on positioning plate (36), the elastic supporting bar (46) be arranged in limit chamber (41) it is interior when elasticity There is displacement play between block (43) and the inner wall of limit chamber (41).

8. a kind of perambulator according to claim 6, it is characterized in that: offering link slot on the positioning plate (36) (51) it is connected to sliding slot (52), the link slot (51) with sliding slot (52), the sliding slot slidably connects slide plate in (52) (53), it is offered intercommunicating pore (531) on the slide plate (53), the shoulder belt (35) includes adjusting section (351) and fixed section (352), the adjusting section (351) is pierced by and fixes limited from link slot (51) after passing through link slot (51) and intercommunicating pore (531) Position section, the end for adjusting section (351) and slide plate (53) contradict, and are arranged with and are used for and baby on the fixed section (352) The protective jacket (61) that chest contradicts is connected with retaining ring (62) on the fixed section (352), the middle part of the retaining ring (62) It is fixed with check lock lever (63), the end of the fixed section (352) is locked after bypassing check lock lever (63) and positioning plate (36) further around mistake Tight bar (63) is simultaneously sewed on the surface of fixed section (352).