CN113291371B

CN113291371B - Constant temperature folding baby carriage

Info

Publication number: CN113291371B
Application number: CN202110653791.8A
Authority: CN
Inventors: 陈华
Original assignee: Suzhou Good School Mother And Baby Technology Co ltd
Current assignee: Suzhou Good School Mother And Baby Technology Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2023-02-28
Anticipated expiration: 2041-06-11
Also published as: CN113291371A

Abstract

The invention provides a constant-temperature folding baby carriage which comprises a basket body assembly, a pushing handle assembly, a front wheel assembly and a rear wheel assembly, wherein a lower basket assembly is arranged between the front wheel assembly and the rear wheel assembly; the baby carriage is cooled or heated through a semiconductor, hot air or cold air is formed in the whole baby basket body by combining the structure of the basket body, the baby carriage is suitable for being used at different temperatures, the temperature is not directly transmitted, but the cold air or the hot air is passed, the internal temperature is ensured, and meanwhile, the air circulation is increased; the basket body assembly capable of being adjusted by one hand is arranged, so that convenience is improved; the pushing assembly is ingenious in structure, convenient to store and capable of being operated by a single hand when being stored integrally.

Description

Constant temperature folding baby carriage

Technical Field

The invention relates to the field of children products, in particular to a constant-temperature folding baby carriage.

Background

At present, the baby stroller is a main walking vehicle for babies, parents can take children out to play with the baby stroller to enable a trip to be more convenient, and a main frame structure of the existing baby stroller is usually combined by a plurality of connecting pieces. The existing baby carriage has the following defects: 1. when going out in summer, the weather is hot, the baby is hot in the stroller, the heatstroke is easy to happen, and when going out in winter, the weather is cold, the baby needs to be wrapped tightly, which is inconvenient; 2. the inclination angle of the baby carriage is complicated to adjust, usually needs two hands of an adult to adjust simultaneously, and is difficult to operate if articles exist in the hands under the condition of a parent; 3. accomodate loaded down with trivial details, structural design is accomodate inadequately to hand push part, basket body part to there is the storing basket in the perambulator lower part of some high landscape, need separate the storing basket when accomodating, and is very inconvenient.

Disclosure of Invention

In order to solve the technical problems, the invention provides a constant-temperature folding baby carriage which comprises a basket body assembly, a pushing handle assembly, a front wheel assembly and a rear wheel assembly, wherein a lower basket assembly is arranged between the front wheel assembly and the rear wheel assembly; the pushing assembly comprises a U-shaped telescopic rod, two ends of the U-shaped telescopic rod are provided with rotating knob mechanisms, and the rotating knob mechanisms are coaxially connected with the front wheel assembly and the rear wheel assembly;

the front wheel assembly is provided with a rotary joint seat, the basket body assembly is provided with a single-hand adjusting device, and the single-hand adjusting device is inserted into the rotary joint seat;

the baby basket comprises a basket body assembly and a basket frame, wherein the basket body assembly comprises a basket and a basket frame connected with the basket, a baby basket body is arranged in the basket, a pressing frame is arranged on the basket frame, and an adjustable basket cover is arranged on the pressing frame;

the pressing frame is also provided with a safety handrail with an adjustable position;

the utility model discloses a bicycle heating device, including basket, semiconductor refrigeration heating element, centrifugal fan, air outlet, air inlet, air outlet, temperature control support, semiconductor refrigeration heating element, basket bottom is equipped with the refrigeration heating element, the basket is hollow structure, basket frame both sides are equipped with inlet scoop and air outlet, the refrigeration heating element includes the temperature control support, be equipped with a plurality of battery modules, semiconductor refrigeration heating element in the temperature control support, semiconductor refrigeration heating element lower part is equipped with water-cooling mechanism, be equipped with centrifugal fan on the temperature control support, centrifugal fan's air exit with the air outlet corresponds, centrifugal fan's income wind gap with the inlet scoop corresponds, and temperature control support upper portion and both sides are equipped with the wind channel.

Preferably, the U-shaped telescopic rod comprises upper rods which are symmetrically arranged, a telescopic sleeve is arranged on each upper rod, a pushing handle is inserted into each telescopic sleeve, and a reinforcing rod is arranged at one end of each telescopic sleeve of each pushing handle; be equipped with the handle between the pushing hands other end, be equipped with first button on the handle, be equipped with first spring between first button and the handle, the handle both ends are equipped with first pulley, be equipped with the second pulley on the pushing hands, be connected with the acting as go-between on the button, act as go-between the process first pulley and second pulley and end are equipped with the handle clip, handle clip center rotate connect in on the expansion sleeve and one end is connected with the extension spring, the other end with act as go-between and connect.

Preferably, the inner wall of the telescopic sleeve is provided with a limiting baffle, the two ends of the handle back-off are clamped in the limiting baffle, and a connecting nail is arranged in the telescopic sleeve and penetrates through the long hole of the reinforcing rod.

Preferably, the rotary knob mechanism comprises an annular seat, a first spline groove is formed in the inner wall of the annular seat, a folding button is arranged in the annular seat, a first spline bump is arranged in the folding button, the first spline bump is matched with the first spline groove, a connecting seat is arranged on the lower portion of the folding button, a folding spring penetrates through the connecting seat, and the folding button is pressed on the folding spring.

Preferably, the front wheel subassembly includes first U-shaped frame, first U-shaped frame lower part is equipped with two sets of front wheels, first U-shaped frame both ends are equipped with rotate the joint chair, it includes circular casing and vertical slot to rotate the joint chair, be equipped with the knot tongue in the vertical slot, be equipped with the second button on the knot tongue, be equipped with the second spring on the second button.

Preferably, the rear wheel assembly comprises a second U-shaped frame, two groups of rear wheels are arranged on the lower portion of the second U-shaped frame, a brake assembly is arranged on the second U-shaped frame and comprises two groups of brake plates, and the brake plates are coaxially connected and connected with brake rods.

Preferably, the lower basket assembly comprises a storage basket, a U-shaped lower basket frame and a lower basket rod, one end of the lower basket frame is hinged to the second U-shaped frame of the rear wheel assembly, the other end of the lower basket frame is connected with the lower basket rod through a hinge shaft, and the lower basket rod is hinged to the first U-shaped frame of the front wheel assembly; the zipper mechanism is arranged on the lower basket frame and comprises handle rods, rocking rods are arranged at two ends of each handle rod, locking rods are arranged at end portions of the rocking rods, end portions of the locking rods are inserted into the clasp seats, and third springs are sleeved on the locking rods.

Preferably, one-hand adjusting device includes the roating seat, be equipped with the swivel cap on the roating seat, be equipped with the swinging boom between swivel cap and the roating seat, the swivel cap lower part is equipped with the opening, the swinging boom with rotatory button has been passed between the swivel cap, rotatory button with be equipped with the rotating spring between the roating seat, the swinging boom includes the portion of inserting and is located the annular portion on portion of inserting upper portion, the inside second spline groove that is equipped with of annular portion, be equipped with locking Assembly in the rotatory button, be equipped with the second spline lug on the rotatory button, the second spline lug with the cooperation of second spline groove.

Preferably, locking Assembly is including being located two sets of guide blocks in the turn button, be equipped with the spring bolt between the guide block, fixedly connected with pushes away turns round on the spring bolt, the spring bolt insert in the spacing downthehole of turn button lateral wall, the spring bolt sub-unit connection has the fourth spring.

Preferably, the adjustable basket cover comprises a mesh cloth, and the mesh cloth is provided with a plurality of reinforcing ribs.

Preferably, the water cooling mechanism includes the water pump, outlet pipe and the wet return of being connected with the water pump, the outlet pipe has passed a plurality of radiating fin, be equipped with radiator fan on the radiating fin, the outlet pipe with last heat dissipation water path connection of semiconductor refrigeration heating element, be equipped with control panel on the basket.

The constant-temperature folding baby carriage provided by the invention has the following beneficial effects: 1. the baby basket is refrigerated or heated by the semiconductor refrigerating and heating element, hot air or cold air is formed in the whole baby basket body by combining the structure of the basket body, the baby basket is suitable for being used at different temperatures, the temperature is not directly transmitted, but the cold air or the hot air is passed, and the air circulation is increased while the internal temperature is ensured; 2. the basket body assembly capable of being adjusted by one hand is arranged, so that convenience is improved; 3. the pushing component is ingenious in structure, convenient to store and capable of being operated by a single hand when being stored integrally.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a handle assembly of the present invention;

FIG. 3 is an exploded view of the pusher assembly of the present invention;

FIG. 4 is a cross-sectional view of the pusher assembly of the present invention;

figure 5 is an exploded view of the basket assembly of the present invention;

figure 6 is a cross-sectional view of the basket assembly of the present invention;

fig. 7 is a perspective view of the cooling and heating assembly of the present invention;

FIG. 8 is a perspective view of the front wheel assembly of the present invention;

FIG. 9 is a cross-sectional view of the front wheel assembly of the present invention;

FIG. 10 is a perspective view of the rear wheel assembly of the present invention;

FIG. 11 is a perspective view of the lower basket assembly of the present invention;

FIG. 12 is an exploded view of the one-handed adjustment mechanism of the present invention;

FIG. 13 is a side cross-sectional view of the one-handed adjustment mechanism of the present invention;

FIG. 14 is a schematic view of a safety rail installation of the present invention;

FIG. 15 is a schematic view of the third button and positioning socket assembly of the present invention;

FIG. 16 is a schematic view of the water cooling mechanism of the present invention;

wherein, 1, the basket body component; 2. a handle assembly; 3. a front wheel assembly; 4. a rear wheel assembly; 5. a lower basket assembly; 6. a U-shaped telescopic rod; 7. rotating the knob mechanism; 8. rotating the joint seat; 9. a basket; 10. a basket frame; 11. a baby basket body; 12. pressing the frame; 13. an adjustable basket cover; 14. a refrigerating and heating component; 15. an air inlet; 16. an air outlet; 17. a temperature control bracket; 18. a battery module; 19. a semiconductor refrigerating and heating element; 20. a water cooling mechanism; 21. a centrifugal fan; 22. an air duct; 23. a rod is arranged; 24. a telescopic sleeve; 25. pushing a hand; 26. a reinforcing rod; 27. a handle; 28. a first button; 29. a first spring; 30. a first pulley; 31. a second pulley; 32. pulling a wire; 33. a handle clasp; 34. a tension spring; 35. limiting and blocking; 36. a long hole; 37. an annular seat; 38. a first spline groove; 39. a folding button; 40. a first spline projection; 41. a connecting seat; 42. folding the spring; 43. a first U-shaped frame; 44. a front wheel; 45. a circular housing; 46. a vertical slot; 47. a buckle tongue; 48. a second button; 49. a second spring; 50. a second U-shaped frame; 51. a rear wheel; 52. a brake plate; 53. a brake lever; 54. a lower basket frame; 55. a lower basket lever; 56. a hinge axis; 57. a storage basket; 58. a handle bar; 59. a rocker; 60. a third spring; 61. a lock lever; 62. a buckle hook seat; 63. a rotating base; 64. a rotating cover; 65. an annular portion; 66. an opening; 67. a rotary button; 68. a second spline projection; 69. a second spline groove; 70. a rotation spring; 71. a limiting hole; 72. an insertion section; 73. a guide block; 74. a latch bolt; 75. a fourth spring; 76. pushing and twisting; 77. a safety handrail; 78. positioning seats; 79. a third button; 80. a heat-dissipating fan; 81. and (4) radiating fins.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

As shown in fig. 1, the invention provides a constant temperature folding baby carriage, which comprises a basket body assembly 1, a pushing handle assembly 2, a front wheel assembly 3 and a rear wheel assembly 4, wherein a lower basket assembly 5 is arranged between the front wheel assembly 3 and the rear wheel assembly 4; the front wheel assembly 3 comprises a first U-shaped frame 43, two groups of front wheels 44 are arranged at the lower part of the first U-shaped frame 43, the rotary joint seats 8 are arranged at two ends of the first U-shaped frame 43, each rotary joint seat 8 comprises a circular shell 45 and a vertical slot 46, a buckling tongue 47 is arranged in each vertical slot 46, a second button 48 is arranged on each buckling tongue 47, a second spring 49 is arranged on each second button 48, each vertical slot 46 is used for facilitating the insertion and assembly of the basket body assembly 1 at the upper part and pressing on the buckling tongue 47 when the basket body assembly 1 is inserted through the upper part and pushing the buckling tongue 47 and the second spring 49 to compress, so that the buckling tongue 47 is buckled on the inserted rotating arm, and when the unlocking is required, the second button 48 is pressed to push the buckling tongue 47 to unlock. The rear wheel assembly 4 comprises a second U-shaped frame 50, the lower portion of the second U-shaped frame 50 is provided with two sets of rear wheels 51, a brake assembly is arranged on the second U-shaped frame 50 and comprises two sets of brake plates 52, the brake plates 52 are coaxially connected and are connected with brake rods 53, and the brake plates 52 can be pressed on the wheel body by stepping on the brake rods 53 through feet, so that the brake function is realized.

The important point of this embodiment is: as shown in fig. 5 and 6, the basket assembly 1 includes a basket 9, a basket frame 10 connected to the basket 9, a baby basket body 11 is arranged in the basket 9, a pressing frame 12 is arranged on the basket frame 10, and an adjustable basket cover 13 is arranged on the pressing frame 12;

the press frame is further provided with a safety handle 77 with an adjustable position, a positioning seat 78 is arranged at the end of the safety handle, a third button 79 is arranged on the positioning seat 78 and connected through a spline, a spring is arranged between the positioning seat 78 and the third button 79, the third button 78 is pressed, the third button 79 can be separated from the positioning seat 78, and the rotation of the safety handle 77 can be achieved.

The bottom of the basket 9 is provided with a refrigerating and heating component 14, the basket 9 is of a hollow structure, two sides of the basket frame 10 are provided with an air suction opening 15 and an air outlet 16, the refrigerating and heating component 14 comprises a temperature control support 17, a plurality of battery modules 18 and semiconductor refrigerating and heating elements 19 are arranged in the temperature control support 17, a water cooling mechanism 20 is arranged on each semiconductor refrigerating and heating element 19, a centrifugal fan 21 is arranged on the temperature control support 17, an air outlet of the centrifugal fan 21 corresponds to the air outlet 16, an air inlet of the centrifugal fan 21 corresponds to the air suction opening 15, air ducts 22 are arranged on the upper portion and two sides of the temperature control support 17 and used for leading in and leading out air flow, and the semiconductor refrigerating and heating elements 19 are based on the Peltier principle that when a circuit composed of two different conductors A and B is electrified with direct current, certain other heat can be released at a joint besides joule heat, the other joint absorbs heat, the phenomenon caused by the Peltier effect is reversible, when the current direction is changed, the heat releasing and absorbing joint is changed, so when refrigeration is needed, the semiconductor refrigeration heating element 19 refrigerates through the upper part, the lower part of the semiconductor refrigeration heating element 19 generates heat, when the upper part is refrigerated, the air passes through the hollow structure of the basket 9, the air suction opening 15 continuously enters through the action of the centrifugal fan 21, air flow continuously enters, the air flow enters the baby basket body from the air outlet 16 after being refrigerated by the middle semiconductor refrigeration heating element 19, the entering air is cooled, the internal temperature of the baby basket is reduced, meanwhile, the air flow continuously flows, the internal air is fresh, the comfort level is improved, in addition, the arranged water cooling mechanism 20 is used for cooling the heating end of the semiconductor chip, the water cooling mechanism 20 is cooled by the water pump and the water inlet and outlet pipe, as shown in fig. 16, the water cooling mechanism comprises the water pump, a water outlet pipe connected with the water pump and a water return pipe, the water outlet pipe passes through a plurality of radiating fins 81, the radiating fins 81 are provided with radiating fans 80, when the semiconductor refrigerating and heating element is used for refrigerating, the heating end at the other end of the water cooling mechanism is cooled by the water cooling mechanism, and the water cooling mechanism is matched with the radiating fans 80 through the radiating fins 81, so that the generated heat is continuously dissipated, the refrigerating effect can be improved, and the internal heat is prevented from being too high. In addition, it should be noted that, through the centrifugal fan 21, the cold air entering from the air suction opening 15 passes through the semiconductor refrigerating and heating element 19 and then enters the air heated by the air outlet 16, and forms an air flow direction as shown in fig. 6 to form a backflow warm air, and the refrigeration is performed in the same way, so as to ensure the temperature inside the baby basket. In addition, a control panel is arranged on the temperature control bracket 17, and the air volume temperature and the like can be adjusted by controlling the control panel. The comfort level is stabilized in the structure of the outside design of whole baby basket, and is equipped with adjustable basket lid 13 on the baby basket and includes the screen cloth, the screen cloth is equipped with a plurality of strengthening ribs, rotates the strengthening rib and then can open or close the baby basket, and the strengthening rib side is realized turning through the form of ball and spring.

Besides the cooling and heating functions, the retractable adjustment function and the foldable storage function of the stroller of the present application need to be further detailed:

the pushing handle assembly 2 of the stroller of the present embodiment can be pushed by a single hand and then extended, specifically, as shown in fig. 2, 3, and 4, the pushing handle assembly 2 includes a U-shaped telescopic rod 6, two ends of the U-shaped telescopic rod 6 are provided with a rotation knob mechanism 7, and the rotation knob mechanism 7 is coaxially connected to the front wheel assembly 3 and the rear wheel assembly 4, so that the pushing handle assembly 2, the front wheel assembly 3, and the rear wheel assembly 4 can be folded and stored after being pushed and rotated; the rotary knob mechanism 7 comprises an annular seat 37, the inner wall of the annular seat 37 is provided with a first spline groove 38, a folding button 39 is arranged in the annular seat 37, a first spline bump 40 is arranged in the folding button 39, the first spline bump 40 is matched with the first spline groove 38, the lower part of the folding button 39 is provided with a connecting seat 41, a folding spring 42 is penetrated on the connecting seat 41, the folding button 39 is pressed on the folding spring 42, the first spline bump 40 and the first spline groove 38 can be separated by pressing the folding button 39, and the U-shaped telescopic rod 6 can be rotated.

As shown in fig. 3, the U-shaped telescopic rod 6 includes an upper rod 23 symmetrically disposed, a telescopic sleeve 24 is disposed on the upper rod 23, a pushing handle 25 is inserted into the telescopic sleeve 24, the pushing handle 25 is provided with a reinforcing rod 26 at one end of the telescopic sleeve 24, the reinforcing rod 26 is used for increasing the strength of the pushing handle 25, the reinforcing rod 26 can be inserted into the upper rod 23, a handle 27 is disposed between the pushing handles 25, a first button 28 is disposed on the handle 27, a first spring 29 is disposed between the first button 28 and the handle 27, first pulleys 30 are disposed at two ends of the handle 27, a second pulley 31 is disposed on the pushing handle 25, a pulling wire 32 is connected to the button, the pulling wire 32 passes through the first pulley 30 and the second pulley 31, a handle clasp 33 is disposed at a tail end, the handle clasp 33 is rotatably connected to the telescopic sleeve 24 at a center, one end of the handle clasp is connected to a tension spring 34, and the other end of the handle clasp is connected to the pulling wire 32, the reinforced bar 26 is provided with two groups of elongated holes 36, the inner wall of the telescopic sleeve 24 is provided with a limiting baffle 35, the two ends of the handle 27 are reversely buckled in the limiting baffle 35, the telescopic sleeve 24 is internally provided with a connecting nail which passes through the elongated holes 36 of the reinforced bar 26, the two ends of the handle clasp 33 are provided with inclined edges, the inclined edges are pressed on the limiting baffle 35, when the telescopic sleeve is used, the first spring 29 is compressed by pressing the first button 28, at the moment, the pull wire 32 winds around the first pulley 30 and moves along the first pulley 30 and the second pulley 31, namely, the handle clasp 33 connected with the pull wire 32 is pulled, when one end of the handle clasp 33 is provided with inclined edge pulling, the inclined edge can move along the limiting baffle 35 until the handle clasp 33 is straightened, at the moment, the push handle 25 can be pushed, and the limiting nail on the inner wall of the telescopic sleeve 24 slides along the elongated holes 36 of the reinforced bar, realized pushing hands subassembly 2's flexible promptly to spacing separating keeps off 35 and sets up a plurality ofly, through the position of adjusting handle clip 33, can adjust the length of pushing hands 25, the effect of reinforcing plate increases the intensity of pushing hands 25 promptly, prevents to slide for a long time and causes the damage of pushing hands 25, and the simple operation, the one hand can realize, and through the structure that has set up a plurality of pulleys, the structure is succinct, and is not fragile.

When the baby basket is used, the angle of the baby basket is often required to be adjusted, and the baby basket is often required to be adjusted by one hand, the front wheel assembly 3 is provided with a rotary joint seat 8, the basket body assembly 1 is provided with a one-hand adjusting device, the one-hand adjusting device is inserted into the rotary joint seat 8, the one-hand adjusting device can fix the baby basket on the whole frame and adjust the angle, specifically, as shown in fig. 12 and 13, the one-hand adjusting device comprises a rotary seat 63, a rotary cover 64 is arranged on the rotary seat 63, a rotary arm is arranged between the rotary cover 64 and the rotary seat 63, the lower part of the rotary cover 64 is provided with an opening 66, a rotary button 67 passes through the rotary arm and the rotary cover 64, a rotary spring 70 is arranged between the rotary button 67 and the rotary seat 63, and the rotary arm comprises an inserting part 72 and an annular part 65 positioned on the upper part of the inserting part 72, the inside second spline groove 69 that is equipped with of annular portion 65, be equipped with locking Assembly in the turn button 67, be equipped with second spline lug 68 on the turn button 67, second spline lug 68 with the cooperation of second spline groove 69, locking Assembly includes being located two sets of guide blocks 73 in the turn button 67, be equipped with the spring bolt 74 between the guide block 73, fixedly connected with pushes away the knob 76 on the spring bolt 74, the spring bolt 74 inserts in the spacing hole 71 of turn button 67 lateral wall, the spring bolt 74 sub-unit connection has fourth spring 75, and the spring bolt 74 is when normal condition, inserts in spacing hole 71 and because turn button 67 is in the turn cap 64, the spring bolt 74 tip is pressed in the turn cap 64 lateral wall, when the angle of baby's basket needs to be adjusted, can press the turn button 67 and compress the rotation spring 70 for second spline groove 69 is separated with second spline lug 68, meanwhile, the rotating button 67 is rotated, the bolt 74 on the rotating button 67 is rotated to the opening 66 at the lower part of the rotating cover 64, the bolt 74 is popped up due to the action of the fourth spring 75, the return of the rotating button 67 is limited at the moment, the baby basket can be rotated after the single-hand adjusting device on the other side is operated in the same way, when the baby basket needs to be positioned, the push button 76 is slid by one hand, the bolt 74 is used for fixing the fourth spring 75, the rotating button 67 is rotated until the bolt returns, the first spline coating block with the adjusted angle is matched and positioned with the first spline groove 38, and the baby basket can be adjusted by one hand.

Finally, when the whole stroller frame is stored, the lower basket assembly 5 at the lower part can also be synchronously stored, the lower basket assembly 5 comprises a storage basket 57, a U-shaped lower basket frame 54 and a lower basket rod 55, one end of the lower basket frame 54 is hinged with the second U-shaped frame of the rear wheel assembly 4, the other end of the lower basket frame 54 is connected with the lower basket rod 55 through a hinge shaft 56, the lower basket rod 55 is hinged with the first U-shaped frame of the front wheel assembly 3, and the storage basket 57 is respectively fixed on the lower basket frame 54 and the lower basket rod 55; the zipper mechanism is arranged on the lower basket frame 54 and comprises a handle rod 58, rocking rods 59 are arranged at two ends of the handle rod 58, a lock rod 61 is arranged at the end part of each rocking rod 59, the end part of each lock rod 61 is inserted into a clasp seat 62, a third spring 60 is sleeved on each lock rod 61, the rocking rods 59 are pushed by pressing down the handle rods 58, when one end of the lower part of each rocking rod 59 is pushed forwards, the other end of the upper part of each rocking rod 59 is pulled backwards, the lock rods 61 are pulled backwards, the clasp seats 62 are pulled out, and therefore the lower basket rod 55 and the lower basket frame 54 can rotate along with the hinge shaft 56, and storage and folding can be achieved.

Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A constant-temperature folding baby carriage comprises a basket body assembly, a push handle assembly, a front wheel assembly and a rear wheel assembly, wherein a lower basket assembly is arranged between the front wheel assembly and the rear wheel assembly; the push handle assembly comprises a U-shaped telescopic rod, wherein two ends of the U-shaped telescopic rod are provided with a rotating knob mechanism, and the rotating knob mechanisms are coaxially connected with the front wheel assembly and the rear wheel assembly;

the front wheel assembly is provided with a rotary joint seat, the basket body assembly is provided with a single-hand adjusting device, and the single-hand adjusting device is inserted into the rotary joint seat; the single-hand adjusting device comprises a rotating seat, a rotating cover is arranged on the rotating seat, a rotating arm is arranged between the rotating cover and the rotating seat, an opening is formed in the lower portion of the rotating cover, a rotating button penetrates through the space between the rotating arm and the rotating cover, a rotating spring is arranged between the rotating button and the rotating seat, the rotating arm comprises an inserting portion and an annular portion located on the upper portion of the inserting portion, a second spline groove is formed in the annular portion, a locking assembly is arranged in the rotating button, a second spline protruding block is arranged on the rotating button, and the second spline protruding block is matched with the second spline groove; the locking assembly comprises two groups of guide blocks positioned in the rotary button, a spring bolt is arranged between the guide blocks, a push button is fixedly connected onto the spring bolt, the spring bolt is inserted into a limiting hole in the side wall of the rotary button, and a fourth spring is connected to the lower part of the spring bolt;

the basket body assembly comprises a basket frame which corresponds to the air outlet and is connected with the basket, a baby basket body is arranged in the basket, a pressing frame is arranged on the basket frame, and an adjustable basket cover is arranged on the pressing frame; the pressing frame is also provided with a safety handrail with an adjustable position;

2. The constant-temperature folding baby carriage according to claim 1, characterized in that the U-shaped telescopic rods comprise symmetrically arranged upper rods, telescopic sleeves are arranged on the upper rods, push handles are inserted into the telescopic sleeves, and reinforcing rods are arranged at one ends of the telescopic sleeves; be equipped with the handle between the pushing hands other end, be equipped with first button on the handle, be equipped with first spring between first button and the handle, the handle both ends are equipped with first pulley, be equipped with the second pulley on the pushing hands, be connected with the acting as go-between on the button, the process of acting as go-between first pulley and second pulley and end are equipped with the handle clip, handle clip center rotate connect in on the expansion sleeve and one end is connected with the extension spring, the other end with it is connected to act as go-between.

3. The constant-temperature folding baby carriage as claimed in claim 2, characterized in that the inner wall of the telescopic sleeve is provided with a spacing baffle, the two ends of the handle back-off are clamped in the spacing baffle, and the inside of the telescopic sleeve is provided with a connecting nail which passes through the long hole of the reinforcing rod.

4. The constant-temperature folding baby carriage according to claim 1 or 2, characterized in that the rotary knob mechanism comprises an annular seat, the inner wall of the annular seat is provided with a first spline groove, a folding button is arranged in the annular seat, a first spline bump is arranged in the folding button, the first spline bump is matched with the first spline groove, a connecting seat is arranged at the lower part of the folding button, a folding spring passes through the connecting seat, and the folding button presses on the folding spring.

5. The constant-temperature folding baby carriage according to claim 1, wherein the front wheel assembly comprises a first U-shaped frame, two groups of front wheels are arranged on the lower portion of the first U-shaped frame, the rotating joint seats are arranged at two ends of the first U-shaped frame, each rotating joint seat comprises a circular shell and a vertical slot, a buckle tongue is arranged in each vertical slot, a second button is arranged on each buckle tongue, and a second spring is arranged on each second button.

6. The constant-temperature folding baby carriage according to claim 1, characterized in that the rear wheel assembly comprises a second U-shaped frame, two sets of rear wheels are arranged on the lower portion of the second U-shaped frame, a brake assembly is arranged on the second U-shaped frame, the brake assembly comprises two sets of brake plates, and the brake plates are coaxially connected and connected with a brake rod.

7. The constant-temperature folding stroller according to claim 1, wherein the lower basket assembly comprises a storage basket, a U-shaped lower basket holder and a lower basket lever, one end of the lower basket holder is hinged with the second U-shaped holder of the rear wheel assembly, the other end of the lower basket holder is connected with the lower basket lever through a hinge shaft, the lower basket lever is hinged with the first U-shaped holder of the front wheel assembly, and the storage basket is fixed on the lower basket holder and the lower basket lever respectively; the zipper mechanism is arranged on the lower basket frame and comprises handle rods, rocking rods are arranged at two ends of each handle rod, locking rods are arranged at end portions of the rocking rods, end portions of the locking rods are inserted into the clasp seats, and third springs are sleeved on the locking rods.

8. The constant-temperature folding baby carriage according to claim 1, wherein the water cooling mechanism comprises a water pump, a water outlet pipe and a water return pipe, the water outlet pipe is connected with the water pump, the water outlet pipe penetrates through a plurality of radiating fins, radiating fans are arranged on the radiating fins, the water outlet pipe is connected with a radiating water path on the semiconductor refrigerating and heating element, and a control panel is arranged on the basket.