CN209795572U

CN209795572U - Three-wheeled baby stroller

Info

Publication number: CN209795572U
Application number: CN201920111764.6U
Authority: CN
Inventors: 贺双全
Original assignee: ANHUI HOPE CHILDREN PRODUCTS Co Ltd
Current assignee: ANHUI HOPE CHILDREN PRODUCTS Co Ltd
Priority date: 2019-01-23
Filing date: 2019-01-23
Publication date: 2019-12-17
Anticipated expiration: 2029-01-23

Abstract

The utility model discloses a tricycle children's shallow, which comprises a vehicle rack, the frame includes foreleg pole, push-and-pull rod, back leg pole, the foreleg pole is the U type, and the upper portion both ends with the push-and-pull rod lower extreme back leg pole upper end is articulated, foreleg pole lower part is equipped with the front wheel, the front wheel pass through coupling assembling with foreleg pole sub-unit connection, coupling assembling includes base, connecting bend, spacer the base comprises upper seat and base, the base includes pivot portion, shaft portion, pivot portion with but upper seat mutually horizontal rotation ground links together, connecting bend lower part with upper seat fixed connection, the upper end with spacer middle part fixed connection, spacer both ends fixed connection be in the lower position is leaned on to the foreleg pole, this tricycle children's shallow simple structure, firm, and have good stability of carrying, And (4) safety.

Description

Three-wheeled baby stroller

Technical Field

The utility model relates to a children's shallow field, concretely relates to tricycle children's shallow.

Background

At present, the tricycle children's shallow on the market receives popular of general user because of small, light in weight usually, but most tricycle children's shallow stability of traveling is poor, and the structure is firm inadequately, and the direction is wayward when the road surface of jolting is gone through, has the potential safety hazard, and the dismouting is maintained conveniently inadequately.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure, firm, and have good tricycle children's shallow of stability, security of carrying out.

The technical proposal of the utility model is that the three-wheeled children cart comprises a frame, the frame comprises a front leg rod, a push-pull rod and a rear leg rod, the front leg rod is U-shaped, the upper ends of the front leg rod are hinged with the lower end of the push-pull rod and the upper end of the rear leg rod, a handrail is arranged between the upper ends of the push-pull rod, a seat frame component is arranged in the middle of the frame, the lower end of the rear leg rod is provided with a rear wheel, the lower part of the front leg rod is provided with a front wheel, the front wheel is connected with the lower part of the front leg rod through a connecting component, the connecting component comprises a base, a connecting bent pipe and a positioning sheet, the base consists of an upper seat and a base, the base comprises a rotating shaft part and a wheel shaft part, the rotating shaft part and the upper seat are mutually and horizontally and rotatably connected, the lower part of the connecting bent pipe is fixedly connected with the upper seat, the upper end is fixedly, the front wheels are left and right front wheels located on both sides of the axle portion and connected by an axle passing through the axle portion.

Adopt the tricycle children's shallow of above-mentioned scheme, the connection between front wheel and the frame is more firm, and has guaranteed the stability of carrying out, has improved security and travelling comfort.

Preferably, the rotating shaft part and the upper seat are connected through a steering shaft, the upper part of the steering shaft is provided with a first connecting hole and is inserted into the lower part of the connecting elbow, the lower part of the connecting elbow is provided with a second connecting hole at a position corresponding to the lower part of the connecting elbow, the upper seat is internally provided with a elbow groove for the connecting elbow to be inserted into, the lower part of the upper seat is provided with a third connecting hole, the lower part of the connecting elbow is sequentially penetrated through the third connecting hole, the second connecting hole and the first connecting hole through fixing bolts to realize the fixed connection of the lower part of the connecting elbow with the upper seat and the steering shaft, the rotating shaft part is internally provided with a shaft groove for the steering shaft to be inserted into and rotate, the lower part of the steering shaft is provided with a rotating groove along the outer surface, the lower end of the rotating shaft extends out of the shaft groove, the front side surface of the rotating, the front part of the bayonet is a passing part and the rear part of the bayonet is a locking part, the passing part can be used for the steering shaft to pass through, and the locking part can be clamped in the rotating groove and has a diameter smaller than the outer diameter of the steering shaft.

adopt above-mentioned preferred scheme, make the installation of front wheel, dismantle more convenient, make this tricycle children's shallow be convenient for daily use and maintenance.

Further, the quick release button with be equipped with the pressure spring between the pivot portion inside wall, the quick release button end is equipped with the arch, the arch inserts the one end of pressure spring, the pressure spring other end supports on the pivot portion inside wall, be equipped with in the pivot portion and place the pressure spring groove of pressure spring.

By adopting the scheme, the front wheel can be further conveniently disassembled and assembled, and the structure is simple and reliable.

Further, a cover plate is arranged at the bottom of the rotating shaft part.

By adopting the scheme, dust can be prevented from entering the rotating shaft part, and the stability and the safety are further improved.

Preferably, a sliding groove is formed in the front side face of the rotating shaft portion above the mounting hole, the sliding groove extends to the lower portion of the upper seat, a directional rod is inserted into the sliding groove in a vertically sliding manner, the directional rod comprises a directional portion and a connecting portion, and the shape of the inner side face of the directional portion can be matched with the shape of the front side face of the lower portion of the upper seat.

Furthermore, the bottom surface of the connecting part is provided with a buckle, and a clamping groove matched with the buckle is formed in the sliding groove.

By adopting the scheme, when the vehicle runs on bumpy road surfaces, the direction of the front wheels can be locked, and the pushing stability is further improved.

Preferably, the connecting bent pipe is a square bent pipe, the top end of the upper seat is arranged along the outer surface of the connecting bent pipe and is provided with a reinforcing sheet, the middle part of the reinforcing sheet is concave, and two ends of the reinforcing sheet are fixed on the inner side surface of the lower part of the front leg rod.

By adopting the preferable scheme, the firmness of the connection between the connecting component and the front leg rod can be further improved.

Preferably, a washer is arranged between the front wheel hub and the wheel shaft part.

preferably, the lower part of the front leg rod is provided with a pedal, and the shape of the pedal is matched with that of the lower part of the front leg rod.

By adopting the preferable scheme, the stability and the comfort can be further realized.

The utility model has the advantages that:

1. The three-wheel child stroller of the utility model has simple and firm structure, and improves the pushing stability, comfort and safety;

2. the three-wheel child cart is convenient to disassemble and assemble, and is convenient to daily use and maintain;

3. The utility model discloses a tricycle children's shallow when meetting the road surface of jolting, can keep the stability and the security of carrying out.

drawings

FIG. 1 is a general structure view of a three-wheeled stroller of the present invention;

fig. 2 is a schematic structural view of the connection assembly of the present invention;

fig. 3 is a schematic structural view of the connecting assembly of the present invention viewed from the rear;

fig. 4 is an exploded view of the connection assembly of the present invention;

FIG. 5 is a schematic view of the internal structure of the upper seat of the present invention;

FIG. 6 is a schematic view of the structure of the base of the present invention viewed from below with the cover plate removed;

Fig. 7 is a schematic structural view of the base of the present invention;

Fig. 8 is a schematic structural view of the quick release button of the present invention;

Fig. 9 is a schematic structural view of the orientation lever of the present invention;

Fig. 10 is a schematic structural diagram of the cover plate of the present invention.

wherein: 11. a front leg bar; 21. a push-pull rod; 22. a handrail; 31. a rear leg bar; 32. a rear wheel; 12. a front wheel; 130. a connecting assembly; 4. a base; 5. connecting a bent pipe; 6. positioning plates; 41. an upper seat; 42. a base; 421. a rotating shaft part; 422. a wheel shaft portion; 7. a wheel axle; 8. a steering shaft; 81. a first connection hole; 51. a second connection hole; 410. a pipe bending groove; 411. a third connection hole; 420. a shaft groove; 82. a rotating tank; 423. mounting holes; 9. a quick release button; 911. a passing portion; 912. a locking portion; 931. a pressure spring; 93. a protrusion; 932. a compression spring groove; 424. a chute; 425. an orientation bar; 426. an orientation section; 427. a connecting portion; 428. buckling; 429. a card slot; 43. a cover plate; 13. washer; 14. a foot pedal; 111. a reinforcing sheet.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1, a three-wheeled stroller comprises a frame, the frame comprises a front leg rod 11, a push-pull rod 21, and a rear leg rod 31, the front leg rod 11 is U-shaped, two ends of the upper portion of the front leg rod 11 are hinged to the lower end of the push-pull rod 21 and the upper end of the rear leg rod 31, a handrail 22 is disposed between the upper ends of the push-pull rod 21, a seat frame assembly is disposed in the middle of the frame, a rear wheel 32 is disposed at the lower end of the rear leg rod 31, a front wheel 12 is disposed at the lower portion of the front leg rod 11,

The front wheel 12 pass through coupling assembling 130 with preceding leg pole 11 sub-unit connection, coupling assembling 130 includes base 4, connection return bend 5, spacer 6 base 4 comprises seat 41 and base 42, base 42 includes pivot portion 421, shaft portion 422, pivot portion 421 with seat 41 can link together each other horizontally rotation, connect return bend 5 lower part with seat 41 fixed connection, the upper end with spacer 6 middle part fixed connection, spacer 6 both ends fixed connection in preceding leg pole 11 leans on the lower position, front wheel 12 is located wheel shaft portion 422 both sides, and is passed left front wheel and right front wheel that wheel shaft 7 of wheel shaft portion 422 connects.

the upper end of the connecting bent pipe 5 and the middle part of the positioning plate 6, and the two ends of the positioning plate 6 and the lower part of the front leg rod 11 can be fixedly connected by welding.

Preferably, the rotating shaft 421 and the upper seat 41 are connected by a steering shaft 8, the upper portion of the steering shaft 8 is provided with a first connecting hole 81 and is inserted into the lower portion of the connecting elbow 5, the lower portion of the connecting elbow 5 is provided with a second connecting hole 51 at a corresponding position, the upper seat 41 is provided with an elbow groove 410 for the connecting elbow 5 to be inserted into, the lower portion of the upper seat 41 is provided with a third connecting hole 411, the fixing bolt sequentially passes through the third connecting hole 411, the second connecting hole 51 and the first connecting hole 81 to realize the fixed connection between the lower portion of the connecting elbow 5 and the upper seat 41 and the steering shaft 8, the rotating shaft 421 is provided with a rotating shaft groove 420 for the steering shaft 8 to be inserted and rotated, the lower portion of the steering shaft 8 is provided with a rotating groove 82 along the outer surface and the lower end of the rotating shaft extends out of the shaft groove 420, the front side surface of the quick-release rotating shaft, the quick release button 9 is provided with a bayonet, the front part of the bayonet is a passing part 911, the rear part of the bayonet is a locking part 912, the passing part 911 is used for the steering shaft 8 to pass through, and the locking part 912 can be clamped in the rotating groove 82 and has a diameter smaller than the outer diameter of the steering shaft 8.

Further, the quick release button 9 with be equipped with pressure spring 931 between the inside wall of pivot portion 421, the quick release button 9 end is equipped with protruding 93, protruding 93 inserts the one end of pressure spring 931, the pressure spring other end supports on the inside wall of pivot portion 421, be equipped with in the pivot portion 421 and place the pressure spring groove 932 of pressure spring 931.

during the installation, will earlier connect elbow 5 to insert return bend 410 in the upper seat 41, will again 8 upper portions of steering spindle insert 5 lower parts of connecting elbow, use fixing bolt passes in proper order third connecting hole 411, second connecting hole 51, first connecting hole 81 to screw up, will again 8 of steering spindle insert the shaft groove 420 is pressed down, at this moment quick detach button 9 removes backward, and makes 8 end of steering spindle pass through portion 911 under the effort of pressure spring, quick detach button 9 resets, locking portion 912 blocks into the swivelling chute 82, during the dismantlement, only needs to press quick detach button 9, makes its backward movement, thereby can unblock and extract swivelling chute 8.

further, a cover plate 43 is disposed at the bottom of the rotating shaft 421.

preferably, a sliding groove 424 is formed on the front side surface of the rotating shaft 421 above the mounting hole 423, the sliding groove 424 extends to the lower portion of the upper seat 41, a directional rod 425 is inserted into the sliding groove 424 in a vertically slidable manner, the directional rod 425 includes a directional portion 426 and a connecting portion 427, and the shape of the inner side surface of the directional portion 426 is matched with the shape of the front side surface of the lower portion of the upper seat 41.

Further, a buckle 428 is disposed on a bottom surface of the connecting portion 427, and a locking groove 429 which is matched with the buckle 428 is formed in the sliding groove 424.

when the vehicle travels on a bumpy road surface, the orientation rod 425 is lifted upwards to enable the buckle 428 to be embedded into the clamping groove 429, and the inner side surface of the orientation part 426 is tightly attached to the front side surface of the lower part of the upper seat 41, so that the orientation is realized.

Preferably, the connecting elbow 5 is a square elbow, the top end of the upper seat 41 is provided with a reinforcing sheet 111 along the outer surface of the connecting elbow 5, the middle of the reinforcing sheet 111 is concave, and two ends of the reinforcing sheet are fixed on the inner side surface of the lower part of the front leg rod 11.

Preferably, a washer 13 is arranged between the hub of the front wheel 12 and the wheel shaft part 422.

Preferably, a foot pedal 14 is provided at the lower part of the front leg bar 11, and the shape of the foot pedal 14 is matched with the shape of the lower part of the front leg bar 11.

Claims

1. The utility model provides a tricycle children's shallow, includes the frame, the frame includes preceding leg rod (11), push-and-pull rod (21), back leg rod (31), preceding leg rod (11) are the U type, and upper portion both ends with push-and-pull rod (21) lower extreme back leg rod (31) upper end is articulated, be equipped with handrail (22) between push-and-pull rod (21) the upper end, the frame middle part is equipped with the seat frame subassembly, back leg rod (31) lower extreme is equipped with rear wheel (32), preceding leg rod (11) lower part is equipped with front wheel (12), its characterized in that, front wheel (12) through coupling assembling (130) with preceding leg rod (11) sub-unit connection, coupling assembling (130) include base (4), connect return bend (5), spacer (6), base (4) comprise upper seat (41) and base (42), base (42) include pivot portion (421), The wheel axle part (422), pivot portion (421) with but upper saddle (41) each other the level rotate ground link together, connect return bend (5) lower part with upper saddle (41) fixed connection, the upper end with spacer (6) middle part fixed connection, spacer (6) both ends fixed connection in front leg pole (11) lean on the lower position, front wheel (12) are located wheel axle part (422) both sides, and are passed left front wheel and right front wheel that wheel axle (7) of wheel axle part (422) are connected.

2. The three-wheeled stroller as claimed in claim 1, wherein the rotating shaft (421) and the upper seat (41) are connected by a steering shaft (8), the upper portion of the steering shaft (8) is provided with a first connecting hole (81) and is inserted into the lower portion of the connecting elbow (5), the lower portion of the connecting elbow (5) is provided with a second connecting hole (51) at a corresponding position, the upper seat (41) is provided with a elbow slot (410) for inserting the connecting elbow (5), the lower portion of the upper seat (41) is provided with a third connecting hole (411), the connecting elbow (5) is fixedly connected with the upper seat (41) and the steering shaft (8) by passing a fixing bolt through the third connecting hole (411), the second connecting hole (51) and the first connecting hole (81) in sequence, the rotating shaft (421) is provided with a shaft slot (420) for inserting and rotating the steering shaft (8), the steering shaft is characterized in that a rotating groove (82) is formed in the lower portion of the steering shaft (8) along the outer surface, the lower end of the rotating groove extends out of the shaft groove (420), a mounting hole (423) is formed in the front side face of the rotating shaft portion (421), a quick release button (9) capable of moving back and forth is inserted into the mounting hole (423), a bayonet is formed in the quick release button (9), the front portion of the bayonet is a passing portion (911) and the rear portion of the bayonet is a locking portion (912), the passing portion (911) can supply the steering shaft (8) to pass through, and the locking portion (912) can be clamped in the rotating groove (82), and the diameter of the locking portion is smaller than the outer diameter of the steering shaft.

3. The three-wheeled stroller as claimed in claim 2, wherein a pressure spring (931) is disposed between the quick release button (9) and the inner sidewall of the rotating shaft (421), a protrusion (93) is disposed at the end of the quick release button (9), the protrusion (93) is inserted into one end of the pressure spring (931), the other end of the pressure spring abuts against the inner sidewall of the rotating shaft (421), and a pressure spring groove (932) for placing the pressure spring (931) is disposed in the rotating shaft (421).

4. A three-wheeled pushchair according to claim 3, wherein said spindle (421) is provided at its bottom with a cover plate (43).

5. A three-wheeled stroller according to claim 2, wherein a sliding groove (424) is formed in a front side of the rotating shaft portion (421), the mounting hole (423) is provided with a sliding groove (424), the sliding groove (424) extends to a lower portion of the upper seat (41), a directional rod (425) is slidably inserted into the sliding groove (424) up and down, the directional rod (425) comprises a directional portion (426) and a connecting portion (427), and a shape of an inner side surface of the directional portion (426) is matched with a shape of a front side surface of a lower portion of the upper seat (41).

6. A three-wheeled stroller according to claim 5, wherein said connecting portion (427) has a catch (428) at a bottom surface thereof, and said slide groove (424) has a catch groove (429) therein for engaging said catch (428).

7. A three-wheeled stroller according to claim 1, wherein the connecting elbow (5) is a square elbow, the top end of the upper seat (41) is provided with a reinforcement piece (111) along the outer surface of the connecting elbow (5), the middle of the reinforcement piece (111) is concave, and the two ends of the reinforcement piece are fixed on the inner side surface of the lower part of the front leg rod (11).

8. Three-wheeled child stroller according to claim 1, characterized in that a washer (13) is provided between the hub of the front wheel (12) and the axle part (422).

9. A three-wheeled pushchair according to claim 1, characterised in that a footboard (14) is provided at the lower part of said front leg stem (11), said footboard (14) being shaped to fit the shape of said lower part of said front leg stem (11).