CN112205819A

CN112205819A - Support frame and crib

Info

Publication number: CN112205819A
Application number: CN202011196687.2A
Authority: CN
Inventors: 黄绍堡
Original assignee: Shanghai Daafu Baby Carrier Co ltd
Current assignee: Shanghai Daafu Baby Carrier Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-01-12

Abstract

The invention discloses a support frame and a baby crib, and belongs to the technical field of children products. This support frame is including enclosing frame subassembly, supporting component, link arm subassembly and folding controlling part, the last slot that is equipped with of supporting component, link arm subassembly with enclose frame subassembly and supporting component all can rotate and be connected, folding controlling part is including folding bolt, folding pull rod and unblock subassembly, folding bolt can peg graft in the slot, folding bolt is connected through first elastic component with the link arm subassembly, the movably link arm subassembly that locates of folding pull rod, folding pull rod and folding bolt fixed connection and folding pull rod can drive folding bolt and keep away from the slot and remove and compress first elastic component, be equipped with the jack on the folding pull rod, unblock subassembly can peg graft in the jack and drive folding pull rod and remove. This support frame can realize quick folding and expand, and the simplified operation just can not cause spare part to lose, has reduced the maloperation simultaneously, has improved stability and the security of using.

Description

Support frame and crib

Technical Field

The invention relates to the technical field of children products, in particular to a support frame and a baby crib.

Background

In the market, the cribs are various and include folding beds, cradle beds, baby nursing beds and the like, wherein the folding cribs are increasingly popular because of the advantages of being foldable, occupying small space when being stored and the like.

The existing folding cribs are generally convenient to store and transport and comprise support frame tubes and bed frame tubes connected with the support frame tubes. The chassis of foldable crib has adopted more complicated structure in order to realize folding function, moreover at folding in-process, need pull down part spare part and fold again, and the spare part that pulls down needs transport with the crib together, can cause losing of spare part in the transportation to and transport inconvenient scheduling problem, increased the cost of labor simultaneously when assembly and use, user experience is also relatively poor. The components of the further improved folding crib are generally hinged, the hinged parts are screwed by a plurality of nuts, the stability is improved, when the folding crib is folded, the nuts are unscrewed, and then the folding crib is folded; when in use, the crib is unfolded and then the hinged parts are screwed, and the folding and using operation processes are also very inconvenient.

Therefore, a support frame and a baby crib are needed to solve the problems of complex structure and inconvenient operation of the existing folding baby crib.

Disclosure of Invention

The invention aims to provide a support frame and a baby crib, which simplify the operation steps of folding and unfolding, realize quick folding and unfolding, simultaneously avoid losing parts and improve the use stability and safety.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a support frame, is including enclosing frame subassembly and supporting component, the last slot that is equipped with of supporting component, the support frame still includes:

the connecting arm assembly is rotatably connected with the enclosure frame assembly and the supporting assembly;

the folding control comprises a folding bolt, a folding pull rod and an unlocking component, the folding bolt can be inserted into the slot, and the folding bolt is connected with the connecting arm component through a first elastic component;

the folding pull rod is movably arranged in the connecting arm assembly, the folding pull rod is fixedly connected with the folding bolt and can drive the folding bolt to be far away from the slot to move and compress the first elastic piece, the folding pull rod is provided with a jack, and the unlocking assembly can be inserted into the jack and drive the folding pull rod to move.

As a preferred technical solution of the support frame, the unlocking assembly includes:

the moving seat is provided with an unlocking channel;

the unlocking button is movably arranged in the unlocking channel, and part of the unlocking button extends out of the unlocking channel;

the unlocking pin is movably arranged in the unlocking channel, is abutted against the unlocking button and can move along the moving direction vertical to the unlocking button under the action force of the unlocking button and is inserted into the jack to realize unlocking;

and the second elastic piece is arranged between the unlocking pin and the folding pull rod and is compressed in the movement of the unlocking pin.

As a preferred technical scheme of the support frame, a folding through groove is formed in the movable seat, an unlocking hole is formed in the side wall of the folding through groove, one end of the folding pull rod can be inserted into the folding through groove, and the unlocking pin penetrates through the unlocking passage and is inserted into the unlocking hole through the insertion hole.

As a preferable technical solution of the support frame, the connecting arm assembly includes:

the first rotating part is rotatably connected with the supporting assembly and is connected with the folding bolt through the first elastic part, and the folding bolt can penetrate through the first rotating part and be inserted into the slot;

the connecting arm is fixedly connected with the first rotating part, and the folding control part is arranged in the connecting arm;

the second rotating part, with the linking arm is connected, the second rotating part with enclose frame subassembly rotatable coupling.

As a preferred technical scheme of support frame, the support frame still includes lifting unit, lifting unit includes:

the lifting arm is movably inserted into the connecting arm, an opening is formed in the lifting arm, and the moving seat is movably arranged in the lifting arm;

the traction rope is movably arranged in the lifting arm, is fixedly connected with the movable seat and can be driven by the movable seat to move;

the moving block is fixedly connected with the traction cable and is in sliding connection with the folding pull rod;

the lifting bolt is connected with the lifting arm through a third elastic piece and is abutted against the moving block so as to drive the lifting bolt to move along the direction perpendicular to the moving direction of the moving block and compress the third elastic piece when the moving block moves, a second abdicating groove is formed in the folding pull rod, a plurality of lifting holes are formed in the connecting arm, and the lifting bolt penetrates through the second abdicating groove and the lifting arm can be inserted into one of the lifting holes.

As a preferable technical scheme of the support frame, an abutting groove is arranged on the unlocking channel and communicated with the opening, and the unlocking pin can penetrate through the abutting groove and abut against the lifting arm.

As a preferable technical scheme of the support frame, the lifting assembly further comprises a pin base, the pin base is fixedly connected with the lifting arm, the lifting pin is movably arranged in the pin base and connected with the pin base through the third elastic piece, and the moving block is slidably arranged through the pin base and abutted against the lifting pin.

As a preferred technical scheme of support frame, the linking arm subassembly still includes first spacing portion, first spacing portion with enclose frame subassembly fixed connection, be equipped with spacing arch in the first spacing portion, be equipped with first spacing groove on the second rotating part, be equipped with first backstop portion on the first spacing groove, first spacing portion rotationally locates first spacing inslot just first backstop portion can with spacing protruding butt is in order to inject the second rotating part is rotatory along first predetermined direction.

As a preferred technical scheme of support frame, the supporting component includes third rotating part and supporting leg, be equipped with on the third rotating part the slot, the third rotating part with first rotating part rotatable coupling, the supporting leg with third rotating part fixed connection.

The invention also provides a baby crib which comprises a body and the support frame, wherein the body is fixedly connected with the support frame.

The invention has the beneficial effects that:

when the support frame is in a use state, the folding bolt is inserted into the slot to lock the support assembly and the connecting arm assembly, so that the use stability of the support frame is ensured.

When the support frame needs to be folded and accomodate, promote the unblock subassembly, make the unblock subassembly peg graft in the jack on folding pull rod, continue to promote the unblock subassembly and remove in order to drive folding pull rod, folding pull rod drives folding bolt and keeps away from the slot and remove and compress first elastic component, can rotate the folding of connecting arm subassembly and supporting component realization support frame and accomodate when folding bolt shifts out the slot completely.

When the support frame expandes, hold and enclose the frame subassembly, make connecting arm subassembly and supporting component expand under the action of gravity, the folding bolt of supporting component butt simultaneously, the first elastic component of folding bolt compression realizes removing and lets the position, when folding bolt and slot counterpoint, the locking in the slot is pegged graft under the first elastic component restoring force to the throne to folding bolt, realizes the expansion of support frame, and is very convenient.

The support frame provided by the invention simplifies the operation steps, realizes quick unfolding and folding storage, does not cause part loss, and enhances the usability. Meanwhile, a locking structure is added to lock the daily use state of the support frame, so that the use stability and safety are improved; an unlocking assembly is further arranged, the locking structure needs to be unlocked through the unlocking assembly before folding, and the possibility of misoperation is reduced.

Drawings

FIG. 1 is a schematic view of an overall structure of a support frame according to an embodiment of the present invention;

FIG. 2 is a schematic view of a partially disassembled structure of a support frame according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a partially disassembled structure of a supporting frame according to an embodiment of the present invention;

fig. 4 is a first schematic structural diagram of a first rotating portion of a support frame according to an embodiment of the present invention;

fig. 5 is a second schematic structural view of a first rotating portion of a support frame according to an embodiment of the present invention;

fig. 6 is a schematic diagram of a partially disassembled structure of a supporting frame according to a third embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a movable seat in a supporting frame according to an embodiment of the present invention;

FIG. 8 is a first schematic view of a support frame according to an embodiment of the present invention;

FIG. 9 is a second schematic view of a support frame according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a crib according to an embodiment of the present invention.

In the figure:

10. a body;

1. a frame enclosure assembly;

2. a connecting arm assembly; 21. a first rotating section; 211. mounting grooves; 2111. a hole is drilled; 212. inserting grooves; 213. installing a notch; 214. a hinged seat; 22. a connecting arm; 221. a lifting hole; 222. an abdication mounting port; 23. a lifting arm; 231. an opening; 232. a pin hole; 24. a second rotating section; 241. a first nesting portion; 2411. a notch; 242. a second socketing portion; 243. a first limit groove; 2431. a first stopper portion; 25. a first limiting part; 251. a limiting bulge; 26. jacking and sleeving;

3. a support assembly; 31. a third rotating section; 311. a hinge portion; 312. a slot; 32. supporting legs; 321. a vertical support; 322. a support frame; 33. a second limiting part; 331. a second limit groove; 332. a second stopper portion; 34. a transverse support;

4. folding the control; 41. folding the bolt; 411. a butt joint groove; 42. a first elastic member; 43. folding the pull rod; 431. a jack; 432. a second abdicating groove; 44. a movable seat; 441. moving the groove; 442. an unlocking channel; 4421. abutting against the groove; 4422. a first abdicating groove; 443. unlocking the hole; 444. folding the through grooves; 45. an unlock button; 451. a first abutting inclined block; 46. releasing the lock pin; 461. a second abutting inclined block; 47. a second elastic member; 48. pressing a plate;

5. a lifting assembly; 51. a traction cable; 52. a moving block; 521. a fourth abutting inclined block; 53. a lifting bolt; 531. a third abutting inclined block; 54. a third elastic member; 55. a bolt seat; 551. a lifting groove.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

The embodiment of the invention discloses a support frame, which comprises an enclosing frame assembly 1, a support assembly 3, a connecting arm assembly 2 and a folding control 4, wherein the enclosing frame assembly 1 and the support assembly 3 are both connected with the connecting arm assembly 2, and the folding control 4 is arranged in the connecting arm assembly 2, as shown in figures 1-7. Specifically, the supporting member 3 is provided with a slot 312. The connecting arm component 2 is rotatably connected with the enclosure frame component 1 and the supporting component 3. Folding control 4 includes folding bolt 41, folding pull rod 43 and unblock subassembly, folding bolt 41 can be pegged graft in slot 312, folding bolt 41 is connected through first elastic component 42 with linking arm subassembly 2, folding pull rod 43 is movably located in linking arm subassembly 2, folding pull rod 43 and folding bolt 41 fixed connection and folding pull rod 43 can drive folding bolt 41 and keep away from slot 312 and remove and compress first elastic component 42, be equipped with jack 431 on the folding pull rod 43, the unblock subassembly can be pegged graft in jack 431 and drive folding pull rod 43 and remove.

When the support frame provided by the invention is in a use state, the folding bolt 41 is inserted into the slot 312 to realize the locking of the support component 3 and the connecting arm component 2, so that the use stability of the support frame is ensured.

When the support frame needs to be folded and stored, the unlocking assembly is pushed, the unlocking assembly is inserted into the jack 431 on the folding pull rod 43, the unlocking assembly is continuously pushed to drive the folding pull rod 43 to move, the folding pull rod 43 drives the folding bolt 41 to move away from the slot 312 and compress the first elastic piece 42, and the connecting arm assembly 2 and the support assembly 3 can be rotated to fold and store the support frame when the folding bolt 41 is completely moved out of the slot 312.

When the support frame expandes, hold and enclose frame subassembly 1, make connecting arm subassembly 2 and supporting component 3 expand under the action of gravity, supporting component 3 butt folding bolt 41 simultaneously, folding bolt 41 compresses first elastic component 42 and realizes removing and give way, when folding bolt 41 counterpoints with slot 312, folding bolt 41 pegs graft under first elastic component 42 restoring force and locks in slot 312, realizes the expansion of support frame, and is very convenient.

Optionally, the enclosure frame assembly 1 is a rectangular frame. In this embodiment, the enclosure frame assembly 1 is formed by abutting and fixing two U-shaped frames.

As a preferred technical solution of the support frame, as shown in fig. 1, the connecting arm assembly 2 is rotatably connected with the enclosure frame assembly 1. In this embodiment, the linking arm subassembly 2 is equipped with two, and two linking arm subassemblies 2 are located respectively and are enclosed the relative both sides of frame subassembly 1 to support simultaneously enclosing frame subassembly 1 both sides, guarantee the stability of its use. Of course, in other embodiments, the number of the connecting arm assemblies 2 can be set according to actual needs and the shape of the enclosure frame assembly 1, and is not limited to this embodiment.

Preferably, as shown in fig. 1 and 2, the connecting arm assembly 2 includes a first rotating portion 21, a connecting arm 22 and a second rotating portion 24, the first rotating portion 21 and the second rotating portion 24 are both fixedly connected to the connecting arm 22, and the second rotating portion 24 is rotatably connected to the frame surrounding assembly 1.

As a preferable technical means of the support frame, as shown in fig. 4 and 5, a mounting groove 211 is provided in the first rotating part 21, an opening of the mounting groove 211 is provided corresponding to a position of the slot 312, and a through hole 2111 is provided at a bottom of the mounting groove 211. An insertion groove 212 is formed between an outer wall of the mounting groove 211 and an inner wall of the first rotation part 21. The sidewall of the first rotating portion 21 is provided with an installation notch 213 communicating with the insertion groove 212, and two sides of the installation notch 213 are provided with hinge seats 214.

Alternatively, as shown in fig. 2 to 5, the connecting arm 22 is in the shape of a hollow sleeve, and the connecting arm 22 is fixedly inserted into the insertion groove 212. Furthermore, the connecting arm 22 is provided with a yielding installation opening 222 correspondingly communicated with the installation notch 213, the installation groove 211 is sleeved in the connecting arm 22, and the installation groove 211 is communicated with the inside of the connecting arm 22 through a penetrating opening 2111. Furthermore, a plurality of lifting holes 221 are formed in the connecting arm 22, and the plurality of lifting holes 221 are spaced along the length direction of the connecting arm 22, so as to adjust different heights of the supporting frame.

Further preferably, the second rotating portion 24 is hollow sleeve-shaped, the second rotating portion 24 includes a first sleeving portion 241 and a second sleeving portion 242 fixedly connected, the first sleeving portion 241 is connected with the connecting arm 22, and a notch 2411 is formed on the first sleeving portion 241. The second sleeving part 242 can be rotatably sleeved on the periphery of the enclosure frame assembly 1 to drive the connecting arm 22 to rotate to realize folding and storage. Optionally, two second nesting portions 242 are provided, and the two second nesting portions 242 are arranged oppositely, so that the stability of rotation is ensured. Preferably, a first limiting groove 243 is disposed between the two second nesting portions 242, and a first stopping portion 2431 is disposed on the first limiting groove 243.

As a preferred technical solution of the supporting frame, the connecting arm assembly 2 further includes a first limiting portion 25, the first limiting portion 25 is fixedly connected to the surrounding frame assembly 1, and the first limiting portion 25 is rotatably disposed in the first limiting groove 243 and can abut against the first stopping portion 2431 to limit the second rotating portion 24 to rotate along the first preset direction. Illustratively, the first position-limiting portion 25 is fixedly sleeved at the joint of the two U-shaped frames and fixed by a fixing pin to form the enclosure frame assembly 1. Furthermore, the first limiting portion 25 is provided with a limiting protrusion 251, the limiting protrusion 251 can rotatably abut against the first limiting groove 243 and can abut against the first stopping portion 2431 to form a limiting function, so that the second rotating portion 24 can only rotate and fold along the first preset direction. When the support frame is folded, the limiting protrusion 251 can rotate out of the first limiting groove 243 along the direction that the first stopping portion 2431 deviates from when the second rotating portion 24 rotates, so that the support frame can be folded and stored towards the preset direction. According to the invention, the first limiting part 25 is abutted and matched with the first limiting groove 243, so that the support frame is rotatably folded along the first preset direction, the size of the folded support frame is reduced as much as possible, and the storage and the accommodation are convenient. It is understood that, in other embodiments, the limit protrusion 251 may be disposed on the second rotating portion 24, and the first limit groove 243 may be disposed on the first limit portion 25 to achieve the abutting limit of the two, which is not limited by this embodiment.

As shown in fig. 8 and 9, it should be noted that the first preset direction is the direction in which the two connecting arm assemblies 2 are opposite, that is, the two connecting arm assemblies 2 are both rotated and folded towards the inside of the surrounding frame assembly 1, and after the folding is completed, the two connecting arm assemblies 2 are both overlapped with the surrounding frame assembly 1, so that a better folding and accommodating effect is achieved.

As shown in fig. 3, as a preferred embodiment of the support frame, the connecting arm assembly 2 further includes a top sleeve 26, the top sleeve 26 is fixedly sleeved on the outer periphery of one end of the connecting arm 22 away from the first rotating portion 21, and the second rotating portion 24 can abut against the top sleeve 26 to support the second rotating portion 24.

Optionally, the supporting component 3 is used for supporting and fixing the supporting frame. In this embodiment, two corresponding supporting components 3 are provided, and the two supporting components 3 are respectively connected with the two connecting arm components 2 correspondingly. Of course, in other embodiments, the number of the supporting components 3 can be set according to the number of the connecting arm components 2, and is not limited to this embodiment.

As a preferable technical solution of the supporting frame, the supporting assembly 3 includes a third rotating portion 31 and a supporting leg 32 which are fixedly connected, the third rotating portion 31 is rotatably connected with the first rotating portion 21, and the third rotating portion 31 is provided with a slot 312.

As shown in fig. 2 and 3, the third rotating portion 31 is hinged to the first rotating portion 21. Illustratively, the third rotating portion 31 is provided with a hinge portion 311, the hinge portion 311 is rotatably inserted into the insertion slot 212 and the connecting arm 22, and the hinge portion 311 partially extends out of the abdicating mounting hole 222 and the mounting notch 213 to hinge with the hinge base 214, and the connecting arm 22 and the supporting leg 32 are folded and stored by the hinge portion 311 and the hinge base 214. Accordingly, the connecting arm 22 and the supporting leg 32 are both folded towards the inside of the enclosure frame assembly 1 in a rotating way, so that the supporting leg 32, the connecting arm 22 and the enclosure frame assembly 1 are folded and overlapped, and the folding occupied space and the size of the supporting frame are reduced as much as possible. Preferably, the insertion slot 312 is disposed on the third rotating portion 31 and located inside the hinge portion 311.

Optionally, the support legs 32 are hollow round tubes. The support leg 32 includes a vertical support 321 and a support frame 322 fixedly connected, and the third rotating part 31 is fixedly secured to one end of the vertical support 321. The braced frame 322 is triangle-shaped braced frame, and vertical support piece 321's one end is fixed with triangle-shaped braced frame's base middle part, and vertical support piece 321's the other end passes through third rotating part 31 fixed connection with triangle-shaped braced frame's both sides limit to the realization is to the steady support of support frame bottom, the stability of reinforcing use.

Further, as shown in fig. 2 and fig. 3, a second limiting portion 33 is disposed at a connection portion between the vertical supporting member 321 and the bottom edge of the supporting frame 322, a second limiting groove 331 is disposed on the second limiting portion 33, and a second stopping portion 332 is disposed on the second limiting groove 331.

As shown in fig. 2 and fig. 3, as a preferred technical solution of the supporting frame, the supporting assembly 3 further includes a transverse supporting member 34, and two ends of the transverse supporting member 34 are respectively rotatably connected with the two supporting assemblies 3, so that the supporting frame not only can play a role of connecting and supporting the two supporting assemblies 3, further improves the stability of the supporting frame, but also avoids hindering the rotation of the supporting assemblies 3. Optionally, the transverse supporting member 34 is inserted into the second position-limiting groove 331 and is rotatably connected to the second position-limiting portion 33. When the foldable support leg is in use, the outer wall of the transverse support member 34 abuts against the second stopping portion 332, so as to limit the transverse support member 34, and the support assembly 3 can only be rotated and folded along a second preset direction (the direction opposite to the two connecting arm assemblies 2), that is, along with the rotation of the support leg 32 and the vertical support member 321, the transverse support member 34 can only be rotated out of the second limiting groove 331 towards one side departing from the second limiting portion 33. Therefore, the invention limits the second rotating part 24 by the first limiting part 25 and limits the transverse support 34 by the second limiting part 33, thereby realizing the folding and storage of the support frame towards the preset direction (the direction opposite to the two connecting arm assemblies 2), reducing the folding volume of the support frame as much as possible, being convenient for storage and transportation and being very reliable.

As a preferable technical scheme of the support frame, the folding control 4 is used for controlling the folding and the storage of the support frame. Correspondingly, in this embodiment, the number of the folding control members 4 is two, and the two folding control members 4 are respectively located in the two connecting arm assemblies 2, so as to realize simultaneous folding of the two connecting arm assemblies 2. In other embodiments, the number of the folding controls 4 can be set according to the number of the connecting arm assemblies 2 and the supporting assemblies 3, which is not limited to this embodiment.

Further optionally, the folding latch 41 is movably disposed in the mounting slot 211, and can penetrate out of the mounting slot 211 to be inserted into the slot 312, so as to lock the supporting component 3 and the connecting arm component 2. The end of the folding latch 41 facing away from the slot 312 is provided with an abutment slot 411.

As shown in fig. 4-6, for example, one end of the first elastic element 42 is fixedly installed in the installation groove 211, and the other end abuts against the abutting groove 411. When the support frame is in a normal use state, the first elastic piece 42 is in a natural state, and the folding bolt 41 is inserted into the slot 312; when the support frame needs to be folded, the folding bolt 41 moves away from the slot 312 and compresses the first elastic piece 42, and the support component 3 and the connecting arm component 2 are rotated to realize folding and storage; when the support frame is unfolded for use, the folding bolt 41 compresses the first elastic element 42 under the abutting of the third rotating part 31, when the folding bolt 41 corresponds to the position of the slot 312, the folding bolt 41 is inserted into the slot 312 under the restoring force of the first elastic element 42 to realize the locking of the support component 3 and the connecting arm component 2, so that the unfolding of the support frame is completed, and the support frame is very convenient, reliable and fast.

Further, the folding pull rod 43 is inserted into the mounting groove 211 through the through opening 2111 and is fixedly connected with the folding latch 41, so that the folding latch 41 is driven to move by the movement of the folding pull rod 43. Further, a second receding groove 432 is formed in the folding pull rod 43, and the second receding groove 432 is a long strip-shaped opening and is disposed along the moving direction of the folding pull rod 43. The receptacle 431 is located at the end of the folding pull 43 remote from the folding latch 41.

As an optimal technical scheme of the support frame, the number of the unlocking assemblies is two, and the two unlocking assemblies are respectively arranged corresponding to the two folding controls 4 so as to unlock the two folding controls 4 respectively. In other embodiments, the set number of unlocking components is set according to the number of folding controls 4.

The specific structure of the unlocking assembly will be described below.

The unlocking assembly includes a moving seat 44, an unlocking button 45, an unlocking pin 46 and a second elastic member 47. The movable seat 44 is provided with an unlocking passage 442. The unlock button 45 is movably mounted within the unlock channel 442. The unlocking pin 46 is movably arranged in the unlocking channel 442, the unlocking pin 46 abuts against the unlocking button 45, and the unlocking pin 46 can move along the direction perpendicular to the moving direction of the unlocking button 45 under the action of the unlocking button 45 and is inserted into the insertion hole 431 for unlocking. The second elastic member 47 is provided between the unlocking pin 46 and the folding lever 43 and is compressed in the movement of the unlocking pin 46. The unlocking passage 442 is provided with an abutment groove 4421. As shown in fig. 3 and 7, a folding through slot 444 is formed in the movable seat 44, an unlocking hole 443 is formed in a side wall of the folding through slot 444, one end of the folding pull rod 43 can be inserted into the folding through slot 444, and the unlocking pin 46 passes through the unlocking passage 442 and the insertion hole 431 and is inserted into the unlocking hole 443 to realize unlocking. Preferably, the moving seat 44 is further provided with a moving groove 441, the unlocking passage 442 is communicated with the moving groove 441, and an abutting mounting portion is arranged in the unlocking passage 442. The side wall of the unlocking channel 442 is provided with a first avoiding groove 4422 corresponding to the abutting groove 4421, and the first avoiding groove 4422 is arranged corresponding to the unlocking hole 443, that is, the abutting groove 4421, the first avoiding groove 4422 and the unlocking hole 443 are arranged on the same straight line.

As shown in fig. 6 and 7, further, the unlocking assembly further includes a pressing plate 48, the pressing plate 48 is fixedly disposed at the opening 231 of the unlocking channel 442 to limit the unlocking pin 46 to move in a direction perpendicular to the movement direction of the unlocking button 45 to complete folding and unlocking, and the abutting groove 4421 is located between the pressing plate 48 and the unlocking channel 442.

Optionally, an installation portion is arranged on the unlocking button 45, the installation portion is movably abutted and installed on the abutting installation portion, and the abutting installation portion can limit the movement of the unlocking button 45 to prevent the unlocking button 45 from being separated from the unlocking channel 442. The unlocking button 45 at least partially penetrates through the unlocking channel 442 and is located in the moving groove 441, so that a user can conveniently push the unlocking button 45 located in the moving groove 441 to unlock, and the operation is very convenient. The unlock button 45 is provided with an abutting groove 411, and a first abutting inclined block 451 is provided in the abutting groove 411.

An unlatching pin 46 is movably mounted in abutting relation between a pressure plate 48 and an unlatching button 45. And the unlocking pin 46 can be partially inserted into the abutment groove 4421. Further, the unlocking pin 46 is provided with a second abutting inclined block 461 which is slidably fitted to the first abutting inclined block 451. When the support frame is in a normal use state, the second elastic element 47 is in a natural state, the unlocking pin 46 is abutted and fixed between the pressing plate 48 and the unlocking button 45, and the unlocking pin 46 is separated from the jack 431, so that the folding pull rod 43 cannot move even if the moving seat 44 is touched by mistake, namely, the folding latch 41 is always inserted into the slot 312, and the use safety is improved. When the support frame needs to be folded, the unlocking button 45 is pushed, the unlocking pin 46 moves towards the folding pull rod 43, the first abdicating groove 4422 and the jack 431 are sequentially arranged in the unlocking hole 443 in a penetrating mode to realize unlocking, the moving seat 44 is further pushed to drive the folding pull rod 43 to move, the folding bolt 41 is made to be separated from the slot 312, and at the moment, the support assembly 3 and the connecting arm assembly 2 are rotated to realize folding storage.

Further alternatively, as a preferable technical solution of the supporting bracket, the second elastic member 47 is connected between the first avoiding groove 4422 and the unlocking pin 46. Illustratively, the second elastic element 47 is sleeved on the outer periphery of the unlocking pin 46 and abuts against the first yielding groove 4422 to reset after the unlocking pin 46 is unlocked.

As shown in fig. 1 to 9, to facilitate understanding of the present invention, the operation of folding and unfolding the support frame will now be described as follows:

when the support frame is in a normal use state, the first elastic piece 42 and the second elastic piece 47 are in a natural extension state, the folding bolt 41 is inserted into the slot 312 to realize locking, and the unlocking bolt 46 and the jack 431 are in a separation state, so that the safety performance of normal use of the support frame is ensured.

When the support frame needs to be folded, the unlocking button 45 is pushed by the moving groove 441 to enable the unlocking pin 46 to compress the second elastic piece 47, the unlocking pin 46 penetrates through the jack 431 under the pushing force of the unlocking button 45 to be inserted into the unlocking hole 443 to realize unlocking, the moving seat 44 is pushed, the moving seat 44 drives the folding pull rod 43 to move, the folding bolt 41 is driven to move away from the slot 312 and compress the first elastic piece 42, and after the folding bolt 41 moves out of the slot 312, the connecting arm 22 or the supporting leg 32 is pushed to realize folding and storage of the support frame.

After the support frame is folded, the external force applied to the movable base 44 and the release button 45 is released, the folding latch 41 and the movable base 44 are restored by the restoring force of the first elastic member 42, and the release pin 46 is restored by the restoring force of the second elastic member 47. As shown in fig. 9, fig. 9 is a state diagram of the folded support frame, and the enclosure frame assembly 1, the connecting arm assembly 2 and the support assembly 3 are all folded inwards and overlapped together, so as to be convenient for storage and not occupy too much space.

When the support frame needs to be unfolded, the enclosure frame assembly 1 is held, the connecting arm assembly 2 and the supporting assembly 3 are unfolded under the action of gravity, the supporting assembly 3 abuts against the folding bolt 41, the folding bolt 41 compresses the first elastic piece 42 to realize moving and abdicating, and when the folding bolt 41 is aligned with the slot 312, the folding bolt 41 is inserted into the slot 312 under the reset force of the first elastic piece 42 to realize quick unfolding of the support frame. The invention simplifies the operation steps of folding and unfolding when the support frame is used, realizes quick unfolding and folding storage, does not cause the loss of parts and enhances the usability.

As a preferable technical solution of the supporting frame, as shown in fig. 3, the supporting frame further includes a lifting assembly 5 to adjust different heights of the supporting frame, so as to improve the applicability of the supporting frame. Correspondingly, the two lifting assemblies 5 are arranged to lift the two sides of the enclosure frame assembly 1 at the same time, so that the consistency of height adjustment of the two sides of the enclosure frame assembly 1 is ensured. Of course, in other embodiments, the number of the lifting assemblies 5 can be set according to the number of the connecting arm assemblies 2, and is not limited to this embodiment.

Preferably, the lifting assembly 5 specifically includes a lifting arm 23, a pulling cable 51, a moving block 52, a lifting plug 53 and a third elastic member 54, the lifting arm 23 is connected with the lifting plug 53 through the third elastic member 54, the pulling cable 51 is connected with the moving block 52, and the moving block 52 is abutted against the lifting plug 53.

As shown in fig. 2-5, further, the lifting arm 23 is movably inserted into the connecting arm 22 to adjust different heights of the support frame. The lift arm 23 is hollow and tubular, and the movable base 44 is movably provided in the lift arm 23. The first engaging portion 241 is fixedly engaged with the lifting arm 23, the lifting arm 23 is provided with an opening 231, the gap 2411 of the first engaging portion 241 is correspondingly communicated with the opening 231, and the moving groove 441 passes through the gap 2411 to be communicated with the opening 231, so that a user can operate the unlocking button 45 located in the moving groove 441 through the opening 231. Specifically, the unlocking passage 442 communicates with the opening 231 through the moving groove 441. The unlocking button 45 is mounted in the unlocking channel 442 at least partially within the opening 231 so that a user can push the unlocking button 45 through the opening 231 to unlock the lock. Further, the lift arm 23 is provided with a top sleeve 26, and when the lift arm 23 is at the lowest position, the second rotation portion 24 abuts against the top sleeve 26 to support the second rotation portion 24 and the lift arm 23. The lifting arm 23 is further provided with a pin hole 232, and the pin hole 232 can be arranged corresponding to one of the lifting holes 221 so as to facilitate installation of the lifting pin 53.

As shown in FIG. 6, further alternatively, the pulling cable 51 can be movably disposed in the lifting arm 23, the pulling cable 51 is fixedly connected to the movable base 44, and the pulling cable 51 can be moved by the movable base 44.

The moving block 52 is fixedly connected with the traction cable 51, and the moving block 52 can move along with the movement of the traction cable 51. The moving block 52 is slidably connected with the folding pull rod 43, so that under the pulling of the pulling cable 51, the moving block 52 can slide along the folding pull rod 43, thereby preventing the moving block 52 from moving to link the folding pull rod 43, and guiding the moving block 52 to move along the length direction of the folding pull rod 43. The moving block 52 is provided with a fourth abutting inclined block 521.

Further, as shown in fig. 4 to 6, the lifting bolt 53 abuts against the moving block 52 to drive the lifting bolt 53 to move in a direction perpendicular to the moving direction of the moving block 52 when the moving block 52 moves, and the lifting bolt 53 penetrates through the second abdicating groove 432 and the bolt hole 232 and can be inserted into one of the lifting holes 221, so that positioning and locking of the support frame at different heights are achieved, and the stability of the support frame in use is ensured. Preferably, the lifting bolt 53 is provided with a third abutting inclined block 531, the third abutting inclined block 531 abuts against the fourth abutting inclined block 521, so that when the moving block 52 moves, the fourth abutting inclined block 521 pushes the third abutting inclined block 531, the lifting bolt 53 is driven to move in the direction perpendicular to the moving direction of the moving block 52 and move out of the lifting hole 221, at this time, the lifting arm 23 is moved up and down to a preset height (the height is set according to the use requirement), and the lifting bolt 53 is inserted into the corresponding lifting hole 221 again, so that the positioning and locking of the support frame are realized.

Furthermore, the third elastic member 54 is connected to the lifting arm 23 and the lifting pin 53, the lifting pin 53 compresses the third elastic member 54 during the moving process, when the lifting arm 23 moves to a predetermined height, the external force is removed, and the lifting pin 53 is inserted into the corresponding lifting hole 221 under the restoring force of the third elastic member 54, so as to lock and support the support frame, which is very reliable.

As a preferable technical solution of the supporting rack, the lifting assembly 5 further includes a pin base 55, the pin base 55 is fixedly connected to the lifting arm 23, a lifting groove 551 is provided in the pin base 55, the third elastic member 54 is fixed in the lifting groove 551, the lifting pin 53 movably abuts against the lifting groove 551 through the third elastic member 54, and the moving block 52 is slidably inserted into the lifting groove 551 to abut against the lifting pin 53. Thereby ensuring that the lifting pin 53 moves in the lifting groove 551 when the moving block 52 moves.

To facilitate understanding of the supporting frame provided by the present invention, the height adjustment process of the supporting frame is now described as follows:

when the support frame is in a normal use state, the second elastic part 47 and the third elastic part 54 are both in a natural state, and the lifting bolt 53 is inserted into the corresponding lifting hole 221, and is in a self-locking state at the moment, so that the normal use of the support frame is ensured.

When the support frame needs to be lifted, the moving base 44 is pushed through the opening 231, the moving base 44 drives the pulling cable 51 to move, the pulling cable 51 moves, and therefore the moving block 52 and the lifting bolt 53 are driven to move, the lifting bolt 53 compresses the third elastic part 54 and moves out of the lifting hole 221, the lifting arm 23 is moved up and down to a preset height position, external force on the moving base 44 is removed, under the restoring force of the third elastic part 54, the lifting bolt 53 is reset to move and is inserted into the corresponding lifting hole 221 after height adjustment, and locking is achieved.

As a preferable technical solution of the supporting rack, in order to improve the safety of the lifting use of the supporting rack and reduce the misoperation, the unlocking channel 442 is provided with an abutting groove 4421, the abutting groove 4421 is communicated with the opening 231, and the unlocking pin 46 can penetrate through the abutting groove 4421 to abut against the lifting arm 23 so as to limit the moving seat 44 and reduce the misoperation. Specifically, when the support frame is in a use state, the unlocking pin 46 is partially inserted into the abutting groove 4421 to abut against the lifting arm 23, and at this time, due to the abutting fixation of the unlocking pin 46 and the lifting arm 23, even if a user (child) touches the moving seat 44 by mistake, the moving seat 44 cannot be moved, and the lifting pin 53 cannot be driven to separate from the lifting hole 221 to realize lifting. When the height of the support frame needs to be adjusted, the unlocking button 45 is pushed firstly to enable the unlocking pin 46 to move out of the abutting groove 4421 for unlocking, the moving seat 44 is further pushed to carry out lifting operation, and the use safety and reliability of the support frame are improved. It should be noted that, in order to avoid the obstruction of the folding pull rod 43 to the lifting process, the folding pull rod 43 is disposed at the lowest position of the lifting arm 23, that is, when the lifting arm 23 moves to the lowest position, one end of the folding pull rod 43 can be inserted into the folding through slot 444 and corresponds to the unlocking pin 46 and the unlocking hole 443, and at this time, the unlocking button 45 is pushed to insert the unlocking pin 46 into the insertion hole 431, and the moving seat is pushed upward to achieve the unlocking and folding operations. The unlocking of lifting and folding operations is considered through the arrangement of the unlocking button 45, and the compatibility and the integration of the device are improved.

Further optionally, in this embodiment, the first elastic member 42, the second elastic member 47 and the third elastic member 54 are all springs. Of course, in other embodiments, the first elastic member 42, the second elastic member 47 and the third elastic member 54 may be provided with other structures having elasticity as required, and are not limited to the embodiment.

The embodiment of the invention also provides a baby crib which comprises the support frame.

Preferably, as shown in fig. 10, the crib comprises a body 10, the body 10 is fixedly connected with a support frame, and the body 10 is supported, folded and lifted by the support frame, so that the crib not only adapts to the heights of different use environments, but also is convenient for folding and storing of the crib, the crib is quickly folded and unfolded, and the use experience of a user is improved.

Further preferably, the body 10 is flexible material, and the body 10 can carry out corresponding change along with the motion of support frame, improves the body 10 practicality, and is very convenient. Certainly, in other embodiments, the body 10 may also be made of a hard material, and when the body 10 needs to be folded, the body is detached and only the support frame needs to be folded and stored; when the portable electronic device is used, the support frame is rapidly unfolded, and then the body 10 is mounted on the support frame for use, which is not limited to this embodiment.

In summary, the invention provides a support frame and a baby crib, by arranging a connecting arm assembly 2 and a folding control 4, the connecting arm assembly 2 can be rotatably connected with a surrounding frame assembly 1 and a support assembly 3, the folding control 4 comprises a folding bolt 41, a folding pull rod 43 and an unlocking assembly, the folding bolt 41 can be inserted into a slot 312, the folding bolt 41 is connected with the connecting arm assembly 2 through a first elastic piece 42, the folding pull rod 43 is movably arranged in the connecting arm assembly 2, the folding pull rod 43 is fixedly connected with the folding bolt 41 and can drive the folding bolt 41 to move away from the slot 312 and compress the first elastic piece 42, a jack 431 is arranged on the folding pull rod 43, and the unlocking assembly can be inserted into the jack 431 and drive the folding pull rod 43 to move.

When the support frame is in use, the folding bolt 41 is inserted into the slot 312 to lock the support component 3 and the connecting arm component 2, so that the use stability of the support frame is ensured.

The unlocking assembly specifically comprises a moving seat 44, an unlocking button 45, an unlocking pin 46 and a second elastic piece 47, wherein the moving seat 44 is movably arranged in the connecting arm assembly 2 and corresponds to the position of the opening 231, an unlocking channel 442 communicated with the opening 231 is arranged on the moving seat 44, and an abutting groove 4421 is arranged on the unlocking channel 442; the unlocking pin 46 is movably arranged between the abutting groove 4421 and the connecting arm assembly 2, the unlocking pin 46 abuts against the unlocking button 45, and the unlocking pin 46 can move along the direction perpendicular to the moving direction of the unlocking button 45 under the movement of the unlocking button 45 and is inserted into the insertion hole 431 for unlocking; a second elastic member 47 is provided between the unlocking pin 46 and the folding lever 43. When the foldable connecting arm assembly 2 is folded, the unlocking button 45 is pushed through the opening 231, the unlocking pin 46 compresses the second elastic piece 47 and moves out of the abutting groove 4421, and finally the second elastic piece is inserted into the insertion hole 431 to unlock the foldable connecting arm assembly, and further, the moving seat 44 is pushed through the opening 231 to drive the foldable pull rod 43 to move, so that the foldable insertion pin 41 at one end of the foldable pull rod 43 moves out of the insertion groove 312 and compresses the first elastic piece 42, and the connecting arm assembly 2 and the supporting assembly 3 are rotated to fold. The folding operation can be realized only after the unlocking button 45 is unlocked, so that the misoperation in the use process is avoided, and the use safety of the device is improved.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims

1. The utility model provides a support frame, is including enclosing frame subassembly (1) and supporting component (3), its characterized in that, be equipped with slot (312) on supporting component (3), the support frame still includes:

the connecting arm assembly (2) is rotatably connected with the enclosure frame assembly (1) and the supporting assembly (3);

the folding control piece (4) comprises a folding bolt (41), a folding pull rod (43) and an unlocking component, the folding bolt (41) can be inserted into the inserting groove (312), and the folding bolt (41) is connected with the connecting arm component (2) through a first elastic piece (42);

folding pull rod (43) are movably located in link arm subassembly (2), folding pull rod (43) with folding bolt (41) fixed connection just folding pull rod (43) can drive folding bolt (41) are kept away from slot (312) are removed and are compressed first elastic component (42), be equipped with jack (431) on folding pull rod (43), the unblock subassembly can peg graft in jack (431) and drive folding pull rod (43) remove.

2. The support bracket of claim 1 wherein said unlocking assembly comprises:

the moving seat (44) is provided with an unlocking channel (442);

an unlocking button (45) movably mounted in the unlocking channel (442) and the unlocking button (45) is partially arranged to extend out of the unlocking channel (442);

the unlocking pin (46) is movably arranged in the unlocking channel (442), the unlocking pin (46) is abutted against the unlocking button (45), and the unlocking pin (46) can move in the direction perpendicular to the moving direction of the unlocking button (45) under the action force of the unlocking button (45) and is inserted into the jack (431) to realize unlocking;

and a second elastic member (47) which is provided between the release pin (46) and the folding lever (43) and is compressed during movement of the release pin (46).

3. The supporting frame as claimed in claim 2, wherein a folding through slot (444) is provided on the moving seat (44), an unlocking hole (443) is provided on a side wall of the folding through slot (444), one end of the folding pull rod (43) can be inserted into the folding through slot (444), and the unlocking pin (46) passes through the unlocking channel (442) and the insertion hole (431) to be inserted into the unlocking hole (443).

4. A support frame as claimed in claim 3, characterised in that the connecting arm assembly (2) comprises:

the first rotating part (21) is rotatably connected with the supporting component (3), the first rotating part (21) is connected with the folding bolt (41) through the first elastic piece (42), and the folding bolt (41) can penetrate through the first rotating part (21) and be inserted into the slot (312);

the connecting arm (22) is fixedly connected with the first rotating part (21), and the folding control part (4) is arranged in the connecting arm (22);

the second rotating part (24) is connected with the connecting arm (22), and the second rotating part (24) is rotatably connected with the surrounding frame assembly (1).

5. The support stand of claim 4, further comprising a lift assembly (5), the lift assembly (5) comprising:

the lifting arm (23) is movably inserted into the connecting arm (22), an opening (231) is formed in the lifting arm (23), and the moving seat (44) is movably arranged in the lifting arm (23);

the traction rope (51) is movably arranged in the lifting arm (23), the traction rope (51) is fixedly connected with the movable seat (44), and the traction rope (51) can be driven by the movable seat (44) to move;

the moving block (52) is fixedly connected with the traction cable (51), and the moving block (52) is connected with the folding pull rod (43) in a sliding mode;

the lifting bolt (53) is connected with the lifting arm (23) through a third elastic piece (54), the lifting bolt (53) is abutted to the moving block (52) so as to drive the lifting bolt (53) to move and compress the third elastic piece (54) along the direction perpendicular to the moving direction of the moving block (52) when the moving block (52) moves, a second yielding groove (432) is formed in the folding pull rod (43), a plurality of lifting holes (221) are formed in the connecting arm (22), and the lifting bolt (53) penetrates through the second yielding groove (432) and the lifting arm (23) and can be inserted into one of the lifting holes (221).

6. A support stand according to claim 5, wherein an abutment groove (4421) is provided on the unlocking channel (442), the abutment groove (4421) communicates with the opening (231), and the unlocking pin (46) can be inserted through the abutment groove (4421) to abut against the lifting arm (23).

7. The supporting bracket as claimed in claim 5, wherein the lifting assembly (5) further comprises a pin base (55), the pin base (55) is fixedly connected with the lifting arm (23), the lifting pin (53) is movably arranged in the pin base (55) and is connected with the pin base (55) through the third elastic member (54), and the moving block (52) is slidably arranged through the pin base (55) to abut against the lifting pin (53).

8. A support frame as claimed in any one of claims 4 to 7, wherein the link arm assembly (2) further comprises a first limiting portion (25), the first limiting portion (25) is fixedly connected to the enclosure frame assembly (1), a limiting protrusion (251) is provided on the first limiting portion (25), a first limiting groove (243) is provided on the second rotary portion (24), a first stopping portion (2431) is provided on the first limiting groove (243), the first limiting portion (25) is rotatably provided in the first limiting groove (243), and the first stopping portion (2431) can abut against the limiting protrusion (251) to limit the second rotary portion (24) to rotate in a first predetermined direction.

9. A support stand according to claim 8, wherein the support assembly (3) comprises a third rotary part (31) and support legs (32), the third rotary part (31) is provided with the slot (312), the third rotary part (31) is rotatably connected with the first rotary part (21), and the support legs (32) are fixedly connected with the third rotary part (31).

10. A baby crib, characterized by comprising a body (10) and a support as claimed in any one of claims 1 to 9, said body (10) being fixedly connected to said support.