CN212047478U

CN212047478U - Folding frame

Info

Publication number: CN212047478U
Application number: CN202020757218.2U
Authority: CN
Inventors: 赖良辉
Original assignee: Zhongshan Beihan Commodities Co ltd
Current assignee: Zhongshan Beihan Commodities Co ltd
Priority date: 2020-05-10
Filing date: 2020-05-10
Publication date: 2020-12-01
Anticipated expiration: 2030-05-10

Abstract

The utility model discloses a foldable frame, including the hand (hold), the hand (hold) both ends are connected with left pole setting and right side respectively, left side pole setting and right pole setting lower part slide respectively and have cup jointed left connecting pipe and right connecting pipe, left side connecting pipe and right side connection outside respectively fixedly connected with left branch pole and right branch pole, left side pole setting and right pole setting lower extreme are connected with left horizontal pole and right horizontal pole through the round pin axle respectively, be provided with the locking subassembly between left side pole setting and left connecting pipe, right pole setting and the right connecting pipe, be provided with folding assembly between left side connecting pipe and left horizontal pole, right connecting pipe and the right horizontal pole, be provided with supporting component between left side pole setting and right connecting pipe, right pole setting and the left connecting. The folding baby carriage is simple in structure and convenient to fold, can be shortened and folded in the length direction during folding, can also be retracted simultaneously in the left width and the right width, reduces the size of the whole baby carriage during folding, and is more convenient to carry.

Description

Folding frame

Technical Field

The utility model relates to a portable frame technical field especially relates to a foldable frame.

Background

The baby carriage is an indispensable infant product in most families, is used for promoting the baby, has greatly alleviateed adult's burden. For convenience of traveling, a plurality of foldable strollers are available, so that the volume of the stroller when folded is reduced, and the stroller is more convenient to carry, such as being placed in a trunk of an automobile.

However, the existing baby carriage can only be folded in the length direction, the baby carriage is shortened and folded together, the baby carriage cannot be shortened in width, the occupied size of the baby carriage is still large when the baby carriage is folded, and the requirements of the existing travelling can not be met. Meanwhile, the cart for buying vegetables and the cart for temporarily pulling goods have the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a foldable frame, fine solution above-mentioned problem, its simple structure, it is convenient to fold up, not only can shorten on length direction and fold up when folding, also can contract simultaneously about in the width, reduced the volume of whole perambulator when folding, conveniently carry more.

The technical scheme of the utility model a foldable frame, including the hand (hold), the hand (hold) both ends are connected with left pole setting and right side respectively, left side pole setting and right pole setting lower part slide respectively and have cup jointed left connecting pipe and right connecting pipe, left side connecting pipe and right side connection outside difference fixedly connected with left branch pole and right branch pole, left side pole setting and right pole setting lower extreme are connected with left horizontal pole and right horizontal pole respectively through the round pin axle, be provided with the locking subassembly between left side pole setting and left connecting pipe, right pole setting and the right connecting pipe, be provided with folding assembly between left side connecting pipe and left horizontal pole, right connecting pipe and the right horizontal pole, be provided with supporting component between left side pole setting and right connecting pipe, right pole setting and the left.

Further, locking Assembly is including installing the frame of inserting in left pole setting and right pole setting, be provided with the bolt in the frame of inserting, all set up the slot with the bolt adaptation on left side connecting pipe and the right connecting pipe, all be provided with compression spring between bolt and the left pole setting and the right pole setting that correspond.

Furthermore, an unlocking pull block is sleeved on the bolt and is in sliding connection with the bolt to pull the bolt out of the slot.

Furthermore, the upper end of the unlocking pull block is connected with one end of a pull rope, and the other end of the pull rope is connected with an unlocking assembly.

Further, the unblock subassembly is including setting up the button at the hand (hold) middle part, install reset spring between button and the hand (hold), the spout has all been seted up on the hand (hold) of button both sides, sliding connection has the slide-bar in the spout, the cable tip cup joints on the slide-bar, the button both ends are provided with the unblock dog, the unblock dog is used for promoting the slide-bar and removes in the spout.

Further, hand (hold), left pole setting and right pole setting are the cavity setting, the cable is located the cavity inside of hand (hold), left pole setting and right pole setting.

Furthermore, folding assembly includes left pull rod and right pull rod, left pull rod one end is rotated with left connecting pipe and is connected, the left pull rod other end is rotated with left horizontal pole and is connected, right pull rod one end is rotated with right connecting pipe and is connected, the right pull rod other end is rotated with right horizontal pole and is connected.

Furthermore, the far pin shaft ends of the left cross rod and the right cross rod are connected through a connecting plate.

Further, the supporting component comprises a left inclined rod and a right inclined rod, the upper end of the left inclined rod is rotatably connected with the upper portion of a left connecting pipe, the lower end of the left inclined rod is rotatably connected with the lower portion of a right vertical rod, the upper end of the right inclined rod is rotatably connected with the upper portion of a right connecting pipe, the lower end of the right inclined rod is rotatably connected with the lower portion of the left vertical rod, and the intersection of the left inclined rod and the right inclined rod is rotatably connected through a rotating shaft.

Further, the lower ends of the left support rod and the right support rod are provided with idler wheels, damping springs are arranged between the idler wheels and the left support rod and between the idler wheels and the right support rod, and universal wheels are arranged on the lower portions of the front ends of the left cross rod and the right cross rod.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the lower ends of the left vertical rod and the right vertical rod of the folding frame of the utility model are respectively connected with a left cross rod and a right cross rod through pin shafts, so that the left vertical rod and the right cross rod can be folded in a rotating way, and the folding components are arranged between the left connecting pipe and the left cross rod and between the right connecting pipe and the right cross rod, so that the left vertical rod and the left cross rod and between the right vertical rod and the right cross rod are folded, and the frame is folded and shortened in the length direction; the left upright stanchion and the right connecting pipe as well as the right upright stanchion and the left connecting pipe are connected by pulling the supporting components, so that the left upright stanchion and the right connecting pipe as well as the right upright stanchion and the left connecting pipe can be close to each other while the frame is folded, the reduction of the left-right width of the frame is realized, the volume of the frame is integrally reduced, and the carrying is more convenient;

2. the utility model adopts the mode of combining the button, the inhaul cable and the locking device, so that the frame can be unlocked, folded and unfolded very conveniently, and the operation is simple and rapid;

3. the utility model discloses a frame can fold up simultaneously on length and width direction and shrink, has reduced holistic volume, conveniently carries more, and the different accessories of collocation are applicable in perambulator, buy dish car and small handcart etc..

Drawings

Fig. 1 is a schematic perspective view of the present invention when it is unfolded;

FIG. 2 is a schematic structural view of the utility model when folded;

fig. 3 is a schematic view of the folded three-dimensional structure of the present invention;

fig. 4 is a schematic structural view after the utility model is folded;

fig. 5 is an internal view and an exploded view of the locking assembly of the present invention;

fig. 6 is a schematic diagram of the internal structure of the locking assembly when locked and when unlocked;

fig. 7 is an external view, an internal view when locked and an internal view when unlocked of the unlocking assembly of the present invention;

fig. 8 is an exploded view of the unlocking assembly of the present invention;

in the figure: 1. a handle; 2. a left upright stanchion; 3. a right upright rod; 4. a left connecting pipe; 5. a right connecting pipe; 6. a left strut; 7. a right strut; 8. a pin shaft; 9. a left cross bar; 10. a right cross bar; 11. inserting a frame; 12. a bolt; 13. a slot; 14. a compression spring; 15. unlocking the pull block; 16. a cable; 17. a button; 18. a return spring; 19. a chute; 20. a slide shaft; 21. unlocking the stop block; 22. a left pull rod; 23. a right pull rod; 24. a connecting plate; 25. a left diagonal bar; 26. a right diagonal bar; 27. a roller; 28. a damping spring; 29. a universal wheel.

Detailed Description

To further clarify the technical solutions and effects adopted by the present application to achieve the intended purpose, the following detailed description is given with reference to the accompanying drawings and preferred embodiments according to the present application. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

As shown in fig. 1 to 8, the utility model provides a foldable frame, including hand (hold) 1, 1 both ends of hand (hold) are connected with left pole setting 2 and right pole setting 3 respectively, left side pole setting 2 and right pole setting 3 lower part slide respectively and have cup jointed left connecting pipe 4 and right connecting pipe 5, left side connecting pipe 4 and right connection outside respectively fixedly connected with left branch pole 6 and right branch pole 7, left side pole setting 2 and right pole setting 3 lower extreme are connected with left horizontal pole 9 and right horizontal pole 10 respectively through round pin axle 8, be provided with the locking subassembly between left side pole setting 2 and left connecting pipe 4, right pole setting 3 and the right connecting pipe 5, be provided with folding subassembly between left side connecting pipe 4 and left horizontal pole 9, right connecting pipe 5 and the right horizontal pole 10, be provided with supporting component between left side pole setting 2 and right connecting pipe 5, right pole setting 3 and the left connecting pipe 4.

The lower ends of a left vertical rod 2 and a right vertical rod 3 of the folding frame of the utility model are respectively connected with a left cross rod 9 and a right cross rod 10 through a pin shaft 8, so that the left cross rod and the right cross rod can be rotated and folded mutually, and a folding component is arranged between a left connecting pipe 4 and the left cross rod 9, and between a right connecting pipe 5 and the right cross rod 10, so that the left vertical rod 2 and the left cross rod 9, and between the right vertical rod 3 and the right cross rod 10 are folded mutually, so that the frame is folded and shortened in the length direction; and be provided with supporting component between left pole setting 2 and right connecting pipe 5, right pole setting 3 and the left connecting pipe 4, the pulling through supporting component is connected, makes and can be close to each other when the frame is folding between left pole setting 2 and right connecting pipe 5, right pole setting 3 and the left connecting pipe 4, has realized the reduction on the width about the frame to holistic volume that has reduced the frame more conveniently carries.

Locking Assembly is including installing the frame 11 of inserting in left pole setting 2 and right pole setting 3, be provided with bolt 12 in the frame 11 of inserting, all set up on left side connecting pipe 4 and the right connecting pipe 5 slot 13 with 12 adaptations of bolt, all be provided with compression spring 14 between bolt 12 and the left pole setting 2 and the right pole setting 3 that correspond. An unlocking pull block 15 is sleeved on the bolt 12, and the unlocking pull block 15 is connected with the bolt 12 in a sliding mode and used for pulling the bolt 12 out of the slot 13. The upper end of the unlocking pull block 15 is connected with one end of a pull cable 16, and the other end of the pull cable 16 is connected with an unlocking assembly. The unblock subassembly is including setting up the button 17 at hand (hold) 1 middle part, install reset spring 18 between button 17 and the hand (hold) 1, spout 19 has all been seted up on the hand (hold) 1 of button 17 both sides, sliding connection has slide shaft 20 in the

spout

19, 16 tip cup joints on slide shaft 20 of cable, button 17 both ends are provided with unblock dog 21, unblock dog 21 is used for promoting slide shaft 20 and removes in spout 19.

Namely, the locking device is used for fixing the relative positions between the left upright 2 and the left connecting pipe 4, and between the right upright 3 and the right connecting pipe 5, when the bolt 12 is inserted into the slot 13, the left upright 2 and the left connecting pipe 4, and the right upright 3 and the right connecting pipe 5 are fixed, so that the frame is unfolded and fixed. The pull block is in inclined contact with the bolt 12, that is, when the pull block moves upwards, the bolt 12 is driven to move towards a position far away from the bolt 12. When the bolt 12 is far away from the slot 13, the bolt 12 will press the compression spring 14, and if the bolt 12 moves upward, the front end of the bolt 12 is separated from the slot 13 and is restrained by the walls of the left connecting pipe 4 and the right connecting pipe 5, and the compression spring 14 is in a compressed state. When the pulling block does not pull the bolt 12, and the front end of the bolt 12 is located at the slot 13, the front end of the bolt 12 is unconstrained, and at this time, the bolt 12 moves towards the slot 13 under the elastic force of the compression spring 14 and is inserted into the slot 13 to fix the left vertical rod 2, the left connecting pipe 4, the right vertical rod 3 and the right connecting pipe 5.

The hand (hold) 1, left pole setting 2 and right pole setting 3 are the cavity setting, cable 16 is located the cavity inside of hand (hold) 1, left pole setting 2 and right pole setting 3. Namely, the guy cable 16 is arranged inside the handle 1, the left upright 2 and the right upright 3. The stay cable 16 and the locking component are both provided with two groups, and the push button 17 can simultaneously control the two groups of stay cables 16, so that the unlocking between the left upright rod 2 and the left connecting pipe 4, and between the right upright rod 3 and the right connecting pipe 5 can be realized simultaneously.

That is, when the button 17 has no external force, the return spring 18 between the button 17 and the handle 1 is in a free state, when the button 17 is pressed, the button 17 presses the return spring 18, the unlocking stopper 21 on the button 17 pushes the sliding shaft 20 to move in the sliding groove 19, so that the pull block is pulled by the cable 16 on the sliding shaft 20 to unlock the locking assembly, when the button 17 is not pressed, the return spring 18 resets the button 17, the unlocking stopper 21 resets, the sliding shaft 20 moves in the sliding groove 19 under the action of self gravity, so that the pull block does not pull the bolt 12.

The folding assembly comprises a left pull rod 22 and a right pull rod 23, one end of the left pull rod 22 is rotatably connected with the left connecting pipe 4, the other end of the left pull rod 22 is rotatably connected with the left cross rod 9, one end of the right pull rod 23 is rotatably connected with the right connecting pipe 5, and the other end of the right pull rod 23 is rotatably connected with the right cross rod 10. That is, when the left connecting tube 4 moves on the left vertical rod 2, the left pull rod 22 will pull the left cross rod 9 to rotate on the left vertical rod 2, and the right pull rod 23, in the same way, makes the left vertical rod 2 and the left cross rod 9, and the right vertical rod 3 and the right cross rod 10 folded. The left pull rod 22 is rotatably connected with the left connecting pipe 4 and the left cross rod 9, and the right pull rod 23 is rotatably connected with the right connecting pipe 5 and the right cross rod 10 by a pin shaft 8.

The far ends of the left cross rod 9 and the right cross rod 10, which are far away from the pin shaft 8, are connected through a connecting plate 24. The positions of the front ends of the left cross rod 9 and the right cross rod 10 are relatively fixed, the left cross rod 9, the right cross rod 10 and the connecting plate 24 can be connected through rotating shafts, and can also be connected through a sliding groove 19 with a certain degree of freedom, so that when the end of the left cross rod 9 and the end of the right cross rod 10, which is far away from the connecting plate 24, are close to or far away from each other, the distance of the end of the connecting plate 24 is finely adjusted.

The supporting component comprises a left inclined rod 25 and a right inclined rod 26, the upper end of the left inclined rod 25 is rotatably connected with the upper part of a left connecting pipe 4, the lower end of the left inclined rod 25 is rotatably connected with the lower part of a right upright rod 3, the upper end of the right inclined rod 26 is rotatably connected with the upper part of a right connecting pipe 5, the lower end of the right inclined rod 26 is rotatably connected with the lower part of a left upright rod 2, and the intersection of the left inclined rod 25 and the right inclined rod 26 is rotatably connected through a rotating shaft. That is, when the left connecting pipe 4 and the left vertical rod 2, and the right connecting pipe 5 and the right vertical rod 3 move relative to each other, the left diagonal rod 25 and the right diagonal rod 26 pull the left connecting pipe 4 and the right vertical rod 3, and the right connecting pipe 5 and the left vertical rod 2 toward each other in the width direction, and thus they are shortened. The left diagonal rod 25 is rotatably connected with the left connecting pipe 4 and the right vertical rod 3, and the right diagonal rod 26 is rotatably connected with the right connecting pipe 5 and the left vertical rod 2 through a pin shaft 8.

The lower ends of the left support rod 6 and the right support rod 7 are provided with a roller 27, a damping spring 28 is arranged between the roller 27 and the left support rod 6 and the right support rod 7, and the lower parts of the front ends of the left cross rod 9 and the right cross rod 10 are provided with universal wheels 29. The four wheels are used for realizing the convenient movement of the frame, and the left cross bar 9 and the right cross bar 10 can be provided with a baby carriage bag or a vegetable buying bag and the like, so that the conversion of different functions is realized.

Specifically, when the button 17 is pressed, the unlocking stopper 21 drives the sliding shaft 20 to slide in the sliding groove 19, that is, the pulling cable 16 is pulled, the pulling block 16 drives the pulling block to move upwards, the pulling block pulls the bolt 12, so that the bolt 12 is pulled out of the slot 13, thereby unlocking between the left upright 2 and the left connecting pipe 4, and between the right upright 3 and the right connecting pipe 3, at this time, the handle 1 is pressed downwards, thereby driving the left upright 2 and the right upright 3 to press downwards, so that the left upright 2 and the right upright 3 slide in the left connecting pipe 4 and the right connecting pipe 5 respectively, the left connecting pipe 4 and the right connecting pipe 5 move upwards relative to the left upright 2 and the right upright 3, thereby pulling the left pull rod 22 and the right pull rod 23, thereby pulling the left cross rod 9 and the right cross rod 10 to be folded close to the left upright 2 and the right upright 3, and simultaneously the left connecting pipe 4 and the right upright 3, the right connecting pipe 5 and the, the left upright stanchion 2 and the right upright stanchion 3 are close to each other, so that the frame is shortened in width, and finally the frame is folded. When the telescopic handle needs to be unfolded, the handle 1 is held, the left connecting pipe 4 and the right connecting pipe 5 are pressed downwards, the plug pins 12 in the left upright rod 2 and the right upright rod 3 reach the positions of the slots 13 in the left connecting pipe 4 and the right connecting pipe 5, and the plug pins 12 are inserted into the slots 13, so that the telescopic handle is convenient and fast to operate.

When the handle 1 is made of rigid materials, the two ends of the handle 1 are rotatably or flexibly connected with the left upright rod 2 and the right upright rod 3, so that when the left upright rod 2 and the right upright rod 3 approach or depart from each other, a certain degree of freedom is formed between the left upright rod and the handle 1, and the handle 1 cannot be broken.

The utility model discloses simple structure, it is convenient to fold up, not only can shorten on length direction and fold up when folding, also can contract simultaneously about in the width, reduced the volume of whole perambulator when folding, conveniently carry more, applicable in fields such as perambulator, the shallow of buying the dish.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A foldable frame, its characterized in that: comprises a handle (1), a left upright rod (2) and a right upright rod (3) are respectively connected with the two ends of the handle (1), the lower parts of the left upright stanchion (2) and the right upright stanchion (3) are respectively sleeved with a left connecting pipe (4) and a right connecting pipe (5) in a sliding way, the outer parts of the left connecting pipe (4) and the right connecting pipe are respectively fixedly connected with a left supporting rod (6) and a right supporting rod (7), the lower ends of the left upright stanchion (2) and the right upright stanchion (3) are respectively connected with a left cross bar (9) and a right cross bar (10) through a pin shaft (8), locking components are arranged between the left upright stanchion (2) and the left connecting pipe (4) and between the right upright stanchion (3) and the right connecting pipe (5), folding components are arranged between the left connecting pipe (4) and the left cross bar (9) and between the right connecting pipe (5) and the right cross bar (10), and a supporting component is arranged between the left upright rod (2) and the right connecting pipe (5) and between the right upright rod (3) and the left connecting pipe (4).

2. The foldable frame of claim 1, wherein: locking Assembly is including installing frame (11) of inserting in left pole setting (2) and right pole setting (3), be provided with bolt (12) in frame (11), all set up slot (13) with bolt (12) adaptation on left side connecting pipe (4) and right connecting pipe (5), all be provided with compression spring (14) between bolt (12) and corresponding left pole setting (2) and right pole setting (3).

3. The foldable frame of claim 2, wherein: the unlocking pull block (15) is sleeved on the bolt (12), and the unlocking pull block (15) is connected with the bolt (12) in a sliding mode and used for pulling the bolt (12) out of the slot (13).

4. The foldable frame of claim 3, wherein: the unlocking pull block (15) is connected with one end of a pull rope (16) at the upper end, and the other end of the pull rope (16) is connected with an unlocking assembly.

5. The foldable frame of claim 4, wherein: unblock subassembly is including setting up button (17) at hand (1) middle part, install reset spring (18) between button (17) and hand (1), spout (19) have all been seted up on hand (1) of button (17) both sides, sliding connection has slide (20) in spout (19), cable (16) tip cup joints on slide (20), button (17) both ends are provided with unblock dog (21), unblock dog (21) are used for promoting slide (20) and remove in slide (19).

6. The foldable frame of claim 5, wherein: the handle (1), the left vertical rod (2) and the right vertical rod (3) are hollow, and the inhaul cable (16) is located in the hollow of the handle (1), the left vertical rod (2) and the right vertical rod (3).

7. The foldable frame of claim 1, wherein: folding assembly includes left pull rod (22) and right pull rod (23), left side pull rod (22) one end is rotated with left connecting pipe (4) and is connected, left side pull rod (22) other end rotates with left horizontal pole (9) and is connected, right side pull rod (23) one end rotates with right connecting pipe (5) and is connected, right side pull rod (23) other end rotates with right horizontal pole (10) and is connected.

8. The foldable frame of claim 1, wherein: the far pin shaft (8) ends of the left cross rod (9) and the right cross rod (10) are connected through a connecting plate (24).

9. The foldable frame of claim 1, wherein: the supporting component comprises a left inclined rod (25) and a right inclined rod (26), the upper end of the left inclined rod (25) is rotatably connected with the upper part of a left connecting pipe (4), the lower end of the left inclined rod (25) is rotatably connected with the lower part of a right vertical rod (3), the upper end of the right inclined rod (26) is rotatably connected with the upper part of a right connecting pipe (5), the lower end of the right inclined rod (26) is rotatably connected with the lower part of a left vertical rod (2), and the cross section of the left inclined rod (25) and the right inclined rod (26) is rotatably connected through a rotating shaft.

10. The foldable frame of claim 1, wherein: the left branch pole (6), right branch pole (7) lower extreme are provided with gyro wheel (27), be provided with damping spring (28) between gyro wheel (27) and left branch pole (6) and right branch pole (7), left side horizontal pole (9) and right horizontal pole (10) front end lower part all are provided with universal wheel (29).