Twin cart

Abstract

The utility model discloses a twin cart which comprises a front cart frame, a rear cart frame and a push handle frame, a T-shaped frame is installed on the rear cart frame, the front cart frame and the push handle frame are hinged to the two ends of the T-shaped frame respectively, a U-shaped handle frame is installed on the push handle frame in a rotating connection mode, and a connecting rod mechanism is installed among the front cart frame, the rear cart frame and the push handle frame. Folding is achieved through a connecting rod mechanism; a baby basket and a seat are arranged on the baby stroller, so that a lying state and a sitting state are realized.

Description

Technical Field

[0001] The utility model relates to the field of baby stroller equipment, in particular to a novel stroller for twins. Background Art

[0002] At present, twin baby strollers mainly install two baby baskets or two seats on the frame, but the current baby strollers generally have two baby baskets or two seats installed, and it is impossible to realize both lying and sitting positions on one baby stroller; although the baby baskets and seats of the above-mentioned strollers are installed on the strollers by inserting, when folding, the seats and baby baskets need to be removed so that they can be folded, which makes the operation more cumbersome each time it is folded and unfolded. Summary of the Invention

[0003] In view of the above-mentioned deficiencies in the prior art, the present invention proposes a novel twin stroller, which can realize two sets of states: lying and sitting, and there is no need to remove the baby basket and seat in advance when folding.

[0004] To achieve the above-mentioned purpose, the present invention provides a twin stroller comprising a front frame, a rear frame and a push handle frame, wherein a T-shaped frame is mounted on the rear frame, the front frame and the push handle frame are hinged at both ends of the T-shaped frame, a U-shaped handle frame is mounted on the push handle frame in a rotatable manner, and a connecting rod mechanism is installed between the front frame, the rear frame and the push handle frame, and folding is achieved through the connecting rod mechanism;

[0005] The connecting rod mechanism includes a double-link assembly and a folding link, which is connected to both ends of the double-link assembly on the front frame and the rear frame by a rotational connection. A pull tab is provided between the folding link and the double-link assembly. A first large joint is provided at the end of the U-shaped handle frame, a locking assembly is provided in the first large joint, an unlocking assembly is provided on the U-shaped handle frame, and a folding link is installed between the first large joint and the rear frame by a rotational connection.

[0006] An insert block is installed on the front frame, a baby basket fixing frame is detachably installed on the insert block, a seat docking seat is installed on the rear frame, and a seat is detachably installed on the seat docking seat.

[0007] Preferably, the seat docking seat includes a support frame and a mounting seat. The two sides of the support frame are installed on the rear frame, and the support frame is rotatably connected to the rear frame. There are two groups of mounting seats, and the two groups of mounting seats are rectangular blocks. A groove is opened on the inner side of the rectangular block for the support frame to extend into. The mounting seat is clamped on the support frame, and the outer side of the mounting seat is rotatably connected to the top of the pull tab.

[0008] Preferably, an upwardly extending limit block is installed on the top surface of the mounting seat, a groove is opened on the side of the limit block, an elastic telescopic block is embedded in the groove, the top surface of the elastic telescopic block is a downwardly inclined slope, a seat is installed on the top of the two mounting seats, a mounting groove for the limit block to be embedded is opened at the bottom of the seat, and a clearance groove connected to the mounting groove is opened on the side of the seat, and the elastic telescopic block is lifted and extends into the clearance groove.

[0009] Preferably, the seat includes a seat, a support plate and a seat plate. The seat is divided into two pieces, each of which is installed above the mounting seat. The seat is an L-block, a support plate is installed between the two seats, and a seat plate is installed above the support plate. A leaning rod is installed on the two seats through a rotating connection.

[0010] Preferably, the holder and the leaning rod are rotationally connected via a second large joint, an arc-shaped limiting groove is provided on the inner side of one half of the second large joint, and a slider extending into the limiting groove is fixed in the other half of the second large joint.

[0011] Preferably, two third large joints arranged opposite to each other are installed on the cart frame, and sunshade frame mounting seats are installed on the two third large joints.

[0012] Compared with the prior art, the advantages of the present invention are:

[0013] 1. Install a baby basket and a seat on the baby stroller to achieve two positions: lying and sitting;

[0014] 2. There is no need to remove the seat and baby basket when folding;

[0015] 3. The seat can be quickly disassembled;

[0016] 4. It can provide sunshade for the seat and baby basket. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional view of the present invention.

[0018] Figure 2 It is a right view of the utility model.

[0019] Figure 3 It is the main view of the present utility model.

[0020] Figure 4 This is a schematic diagram of disassembling the fixing frame of the baby basket according to the present invention.

[0021] Figure 5 It is a schematic diagram of the utility model after being cut in half.

[0022] Figure 6 It is a schematic diagram of the support frame and rear frame of the utility model.

[0023] Figure 7 This is a connection diagram of the support frame of the utility model.

[0024] Figure 8 This is a schematic diagram of the card holder of the present utility model.

[0025] Figure 9 Schematic diagram of the mounting base of the utility model.

[0026] Figure 10 This is a schematic diagram of the two parts of the second largest joint of the utility model.

[0027] Figure 11 This is a schematic diagram of the first large joint locking assembly and spiral bevel of the utility model.

[0028] Figure 12 This is a schematic diagram of the interior of the first major joint of the utility model.

[0029] Figure 13 This is a schematic diagram of the unlocking component of the present invention.

[0030] Among them, 1. Front frame, 2. Rear frame, 3. Push handle frame, 4. T-shaped frame, 5. U-shaped handle frame, 6. Connecting rod mechanism, 7. Double connecting rod assembly, 8. Folding connecting rod, 9. First large joint, 10. Locking assembly, 11. Unlocking assembly, 12. Insert block, 13. Baby basket fixing frame, 14. Seat docking seat, 15. Seat, 16. Support frame, 17. Mounting seat, 18. Rectangular block, 19. Pull tab, 20. Limit block, 21. Elastic telescopic block, 22. Make way slot, 23. Card seat, 24. Support plate, 25. Seat plate, 26. Lean rod, 27. Second large joint, 29. Limit slot, 30. Slider, 31. Third large joint, 32. Sunshade rack mounting seat, 33. Connecting piece, 34. Mounting slot, 35. Embedded slot. DETAILED DESCRIPTION

[0031] The present invention will now be further described with reference to the accompanying drawings.

[0032] like Figure 1-13 As shown, the twin stroller includes a front frame, a rear frame and a push handle frame, wherein a T-shaped frame is installed on the top of the rear frame by welding, the front frame and the push handle frame are hinged at the left and right ends of the T-shaped frame respectively, a U-shaped handle frame is installed on the top of the push handle frame by a rotational connection, the two ends of the U-shaped handle frame are rotationally connected to the two push handle frames, and a connecting rod mechanism is installed between the front frame, the rear frame and the push handle frame, and the front frame, the rear frame and the push handle frame are folded by the connecting rod mechanism;

[0033] The connecting rod mechanism includes a double-link assembly and a folding link, which are connected to the two ends of the double-link assembly on the front frame and the rear frame by a rotational connection. A first large joint is provided at the end of the U-shaped handle frame, a locking assembly is provided in the first large joint, and an unlocking assembly is provided on the U-shaped handle frame; the first large joint includes two joint seats, a circular hole groove is provided on the mutually abutting surface of the two joint seats, and a plurality of tooth grooves are provided on the inner wall of each groove. The grooves on the two joint seats are connected, and a gear meshing with the tooth groove is embedded in the groove body, and the gear is moved in the two groove bodies. The gear is separated from the inner joint seat, and the gear is meshed with the tooth groove of the outer joint seat, so that the joint seat is unlocked and rotated. A spring is installed between the gear and the outer joint seat groove. The spring is fixed on the sleeve by means of bolts, and the other end of the cable extends into the push handle frame and is connected with the unlocking component. A notch is provided on the inner wall of the U-shaped handle frame, and the unlocking component is an elastic pressing block. The elastic pressing block extends into the U-shaped handle frame through the notch of the U-shaped handle frame, and a mounting block is fixed in the push handle frame by means of bolts. Slide grooves are provided on the upper and lower surfaces of the mounting block, and a moving block sliding in the slide groove is provided in the slide groove. The top of the moving block and the side facing the elastic pressing block are triangular inclined surfaces, and the elastic pressing block is provided with a groove which is aligned with the moving block. The triangular inclined surface of the moving block fits the inclined surface, and a spring is fixed between the elastic pressing block and the handle frame by welding. The elastic pressing block is pushed outward by the spring. When the elastic pressing block is pressed, the cable is pulled, so that the cable pulls the sleeve to rotate, thereby unlocking. When the elastic pressing block is stopped, the cable loses tension, and the gear between the gear and the joint seat is pressed inward, so that the gear is stuck on the two joint seats, thereby achieving joint locking. The above-mentioned locking assembly and unlocking assembly are conventional technical means for baby strollers, and this application will not be elaborated in detail;

[0034] A folding link is installed between the first major joint and the rear frame in a rotationally connected manner, a pull tab is provided between the folding link and the double-link assembly, and a connecting piece is hingedly installed at one end of the pull tab at the top, and the connecting piece is installed on the inner wall of the folding link by bolts, and the middle section of the pull tab is rotatably connected to the inner wall of the rear frame. When folding, taking the right view as an example, the U-shaped handle frame swings counterclockwise, and the folding link swings clockwise to fit the rear frame. At the same time, the push frame also swings clockwise and approaches the rear frame. In this way, the top of the pull tab rotates clockwise under the action of the folding link, and the bottom of the pull tab swings upward, so that the bottom of the pull tab pulls the double-link assembly upward, so that the double-link assembly folds, and the front frame swings and folds toward the rear frame;

[0035] Two upwardly extending inserts are bolted to the front frame, and a baby basket mounting bracket is detachably mounted on the inserts (the baby basket mounting bracket is conventional, and is made of felt with fabric fixed to it to form the baby basket). The baby basket mounting bracket is a rectangular frame with rounded corners. Downwardly extending sockets are bolted to the left and right sides of the baby basket mounting bracket, each with a hole at the bottom, into which the inserts are directly inserted. A seat docking station is mounted on the rear frame, and a seat is detachably mounted on the seat docking station, thereby achieving a detachable connection of the seat.

[0036] The seat docking seat includes a support frame and a mounting seat, and the left and right sides of the support frame are fastened to the rear frame by bolts, and the support frame is rotatably connected to the rear frame, and L-shaped blocks are fixed on the left and right sides of the support frame by bolts, and the L-shaped blocks are hinged to the rear frame, so that the rotation connection between the support frame and the rear frame is realized; the mounting seat is two groups, and the two groups of mounting seats are rectangular blocks, and a groove for the support frame to extend into is opened on the inner side of the rectangular block, and the groove of the rectangular block is inserted into the support frame, and the two mounting seats are clamped on the support frame, and the outer side of the mounting seat is rotatably connected to the top of the pull tab, and a through hole is opened at the hinge of the pull tab and the connecting piece, and the bolt passes through the through hole of the pull tab and the connecting piece and extends into the mounting seat, and the bolt is threadedly matched with the mounting seat, and the nut of the bolt is not pressed on the pull tab and the connecting piece, so that the pull tab and the connecting piece can rotate on the bolt. Taking the right view as an example, when the pull tab swings clockwise, the rear end of the mounting seat swings downward, so that the mounting seat slowly approaches the rear frame for folding.

[0037] An upwardly extending limit block is fixed on the top surface of the mounting seat by welding, a downwardly concave groove is opened on the outer surface of the limit block, an elastic telescopic block is embedded in the groove, an embedding groove is opened on the outer surface of the limit block and the embedding groove is located in the groove body, an elastic telescopic block is embedded in the embedding groove, the elastic telescopic block slides in the embedding groove, a spring is embedded in the embedding groove, both ends of the spring are fixed to the bottom of the embedding groove and the end of the elastic telescopic block by welding respectively, the elastic telescopic block is pushed outward by the spring, the top surface of the elastic telescopic block is a downwardly inclined slope, a seat is installed on the top of the two mounting seats, a mounting groove for the limit block to be embedded is opened at the bottom of the seat and near the outer side, and a mounting groove for the seat mounting is opened on the side of the seat. The groove is connected to the give way groove, and the elastic telescopic block is lifted and extended into the give way groove. During installation, the installation groove of the seat is aligned with the limit block up and down, the seat is pressed downward, the installation groove is clamped on the limit block, and the bottom of the seat is fitted with the inner wall of the groove of the limit block, which can prevent the seat from sliding back and forth. When the seat moves downward, since the top surface of the elastic telescopic block is a downward inclined surface, when the seat is pressed downward, the elastic telescopic block is pressed into the embedded groove, so that the elastic telescopic block retracts into the embedded groove, so that the seat is clamped on the limit block, and when the give way groove and the elastic telescopic block are relative, the elastic telescopic block is lifted into the give way groove to lock the seat. When the seat needs to be disassembled, press the elastic telescopic block to lift the seat upward to complete the disassembly.

[0038] The seat includes a card seat, a support plate and a seat plate. The card seat is composed of two pieces, each of which is installed above the mounting seat. A mounting slot is provided at the bottom of the slot. The card seat is an L-block, and a support plate is installed between the two card seats. Both ends of the support plate are fixed to the card seat by means of bolts. A seat plate is installed above the support plate by means of bolts. A U-shaped leaning rod is installed at the rear end of the two card seats by means of a rotating connection. When in use, the leaning rod needs to be covered with a piece of cloth, and the baby's back rests on the cloth.

[0039] The clamping base and the lean rod are rotationally connected through the second largest joint. An arc-shaped limiting groove is provided on the inner side of one half of the second largest joint, and a slider extending into the limiting groove is fixed in the other half of the second largest joint. The second largest joint is composed of two joint seats, and through holes are opened in the centers of the two joint seats. Pins are inserted into the through holes of the joint seats, so that the two joint seats can rotate relative to each other. One of the joint seats is installed on the rear end of the clamping base by bolt fastening, and the two ends of the lean rod are fixed to the other two joint seats by bolt fastening. An arc-shaped limiting groove is opened on the joint seat on the clamping base, and a slider extending into the limiting groove is fixed on the joint seat on the lean rod by welding, so as to limit the swing angle of the lean rod.

[0040] Two relatively arranged third large joints are installed on the stroller frame by bolt fastening. The third large joint includes three joint seats. Through holes are opened in the centers of the three joint seats. Pins are inserted into the three through holes to achieve mutual rotation of the three joint seats. The joint seat in the middle extends downward and is fixed to the stroller frame by bolt fastening. Sunshade frame mounting seats are installed on the two third large joints, that is, the sunshade frame mounting seats are fixed on the two joint seats located on the inner and outer sides by welding. A groove for embedding the sunshade frame is opened on the top of the sunshade frame mounting seat, and the sunshade frame is covered with a sunshade cloth. The sunshade frame is swung to provide sunshade for the seat and the baby basket.

Claims

1. Twin strollers, including a front frame, a rear frame, and a push handle frame. A T-shaped frame is mounted on the rear frame, with the front frame and the push handle frame hinged at both ends of the T-shaped frame. A U-shaped handle frame is rotatably mounted on the push handle frame. A connecting rod mechanism is installed between the front frame, the rear frame, and the push handle frame, and folding is achieved through the connecting rod mechanism. The connecting rod mechanism includes a double-link assembly and a folding link, which is connected to both ends of the double-link assembly on the front frame and the rear frame by a rotational connection. A pull tab is provided between the folding link and the double-link assembly. A first large joint is provided at the end of the U-shaped handle frame, a locking assembly is provided in the first large joint, an unlocking assembly is provided on the U-shaped handle frame, and a folding link is installed between the first large joint and the rear frame by a rotational connection. It is characterized by: An insert block is installed on the front frame, a baby basket fixing frame is detachably installed on the insert block, a seat docking seat is installed on the rear frame, and a seat is detachably installed on the seat docking seat.

2. The twin stroller according to claim 1, characterized in that: The seat docking seat includes a support frame and a mounting seat. The two sides of the support frame are installed on the rear frame. The support frame is rotatably connected to the rear frame. There are two groups of mounting seats. The two groups of mounting seats are rectangular blocks. A groove is opened on the inner side of the rectangular block for the support frame to extend into. The mounting seat is clamped on the support frame, and the outer side of the mounting seat is rotatably connected to the top of the pull tab.

3. The twin stroller according to claim 2, characterized in that: An upwardly extending limit block is installed on the top surface of the mounting seat, a groove is opened on the side of the limit block, an elastic telescopic block is embedded in the groove, the top surface of the elastic telescopic block is a downwardly inclined slope, a seat is installed on the top of the two mounting seats, a mounting groove for embedding the limit block is opened at the bottom of the seat, and a clearance groove connected to the mounting groove is opened on the side of the seat, and the elastic telescopic block is lifted and extends into the clearance groove.

4. The twin stroller according to claim 3, characterized in that: The seat includes a seat, a support plate and a seat plate. The seat is divided into two pieces, each of which is installed above the mounting seat. The seat is an L-block, and a support plate is installed between the two seats. The seat plate is installed above the support plate. A leaning rod is installed on the two seats through a rotating connection.

5. The twin stroller according to claim 4, characterized in that: The holder and the leaning rod are rotatably connected via a second large joint. An arc-shaped limiting groove is provided on the inner side of one half of the second large joint, and a sliding block extending into the limiting groove is fixed on the other half of the second large joint.

6. The twin stroller according to claim 5, characterized in that: Two third large joints arranged opposite to each other are arranged on the cart frame, and sunshade frame mounting seats are arranged on the two third large joints.

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