CN108926173B - Folding mechanism of bed body and play yard thereof - Google Patents
Folding mechanism of bed body and play yard thereof Download PDFInfo
- Publication number
- CN108926173B CN108926173B CN201811065500.8A CN201811065500A CN108926173B CN 108926173 B CN108926173 B CN 108926173B CN 201811065500 A CN201811065500 A CN 201811065500A CN 108926173 B CN108926173 B CN 108926173B
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- Prior art keywords
- railing
- piece
- rod
- guardrail
- bed
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- 230000007246 mechanism Effects 0.000 title claims abstract description 47
- 239000004744 fabric Substances 0.000 claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 230000009471 action Effects 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 238000003825 pressing Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
- A47D13/00—Other nursery furniture
- A47D13/06—Children's play- pens
- A47D13/061—Children's play- pens foldable
- A47D13/063—Children's play- pens foldable with soft walls
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
- A47D7/00—Children's beds
- A47D7/002—Children's beds foldable
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
- A47D15/00—Accessories for children's furniture, e.g. safety belts or baby-bottle holders
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
- A47D7/00—Children's beds
- A47D7/005—Children's beds dismountable
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
- A47D7/00—Children's beds
- A47D7/01—Children's beds with adjustable parts, e.g. for adapting the length to the growth of the children
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pediatric Medicine (AREA)
- Invalid Beds And Related Equipment (AREA)
Abstract
The invention discloses a folding and gathering mechanism of a bed body, which comprises upright posts and guardrails, wherein each guardrail comprises a left guardrail and a right guardrail, and a guardrail fastening device for mutually locking the left guardrail and the right guardrail, the upright posts and the guardrail fastening device are locked, a pulling device is lifted upwards by hands, a linkage device is pulled to drive all control rods to rotate upwards, a first extension rod on the control rods rotates downwards and drives a folding unlocking device to unlock the locking state of the guardrail fastening device and the guardrail fastening device respectively, so that the guardrail and the guardrail can be folded, the guardrail and the upright posts can be continuously pulled upwards, the control rods are driven to continuously rotate upwards, the control rods are folded and close to a bracket box, the upright posts are driven to be mutually close, and the operation is completed until the folding and gathering are completed in one step; the invention also discloses a game bed using the folding and furling mechanism of the bed body, which comprises a surrounding cloth and a base cloth, wherein the pulling device is exposed above the base cloth, so that a user can realize one-step folding and furling by pulling, and the operation is convenient.
Description
[ field of technology ]
The invention relates to a folding and furling mechanism of a bed body, and also relates to a game bed using the folding and furling mechanism of the bed body.
[ background Art ]
The child game bed mainly comprises a bed body and a surrounding cloth, wherein the surrounding cloth forms a safety space for children to play, and the children can be prevented from climbing out and falling. The bed body of the children game bed in the market at present is generally fixed, and a small part of the bed body is formed by combining folding structures consisting of four upright posts and guardrails, but the folding mechanisms of the bed body generally need to unlock fastening devices at different positions step by step during folding, then folding is performed, more operation steps are needed, multiple people are needed to operate, or one person needs to unlock the fastening devices at corresponding positions by converting different directions, so that the operation convenience is poor.
The present invention has been made based on this situation.
[ invention ]
The invention aims to overcome the defects of the prior art and provides the folding and furling mechanism of the bed body, which has a simple structure and can be operated by one hand and furl the bed body in one step.
Another object of the invention is to provide a play yard which is simple to fold and close and which allows children to play safely inside.
The invention is realized by the following technical scheme:
the utility model provides a folding mechanism of bed body which characterized in that: the two adjacent posts 1 are provided with guardrails 2, each guardrail 2 comprises a left guardrail 20 and a right guardrail 20, one end of each guardrail 20 is rotatably connected with the corresponding post 1 in the up-down direction, a guardrail fastening device 3 which can lock the guardrail 20 on the post 1 in the expanded state of the bed body is arranged between each guardrail 20 and the corresponding post 1, a guardrail connecting piece 21 which is hinged with the two and enables the two to rotate in the up-down direction is arranged between each guardrail 20 and the corresponding post 20, a guardrail fastening device 22 which can lock the three in the expanded state of the bed body is arranged between each guardrail 20 and the corresponding guardrail connecting piece 21, a bracket box 4 is arranged between each guardrail 1, a control rod 5 is arranged between the lower part of each post 1 and the corresponding bracket box 4, two ends of each control rod 5 are hinged with the post 1 and the bracket box 4 respectively, the control rod 5 can rotate up and down relative to the post 1 and the bracket box 4, a first extension rod 51 and a second extension rod 52 which extend towards the two ends are arranged along the hinging point, a linkage device which can rotate the first extension rod 51 and the second extension rod 52 can be driven by the control rod 4, and the linkage device which can rotate up-down by the control rod 5 is arranged between the first extension rod and the bracket 4 and the bracket box 4, and the linkage device 3 can rotate up-down by the linkage device 43 and the linkage device 43 which can rotate up-down by the linkage device 43 and the linkage device 4.
The folding and gathering mechanism of the bed body is characterized in that: the linkage 43 includes a linkage seat 431 capable of sliding up and down in the bracket box 4, and a connecting rod 432 with two ends respectively hinged to the linkage seat 431 and the second extension rod 52 is provided between them.
The folding and gathering mechanism of the bed body is characterized in that: the support box 4 is provided with an anti-slip device which can limit the linkage seat 431 to automatically slide upwards when the bed body is in an unfolded state.
The folding and gathering mechanism of the bed body is characterized in that: the support box 4 comprises a bottom shell 41 hinged with the control rod 5, the linkage seat 431 is slidably connected in the bottom shell 41, the anti-slip device comprises a surface cover 42 slidably connected with the linkage seat 431, a travel limiting device for limiting the upward and downward sliding travel of the surface cover 42 relative to the linkage seat 431 is arranged between the surface cover 42 and the linkage seat 431, the lifting device 40 is connected to the surface cover 42 and can pull the surface cover 42 to move upwards when being pulled upwards, a shaft hole 411 is arranged on the bottom shell 41, a fixed shaft 44 is fixed at the bottom of the surface cover 42, a locking piece 45 capable of penetrating through the shaft hole 411 is connected to the fixed shaft 44, a lock catch 451 extending out of the bottom of the shaft hole 411 when the bed body is in an unfolding state is arranged on the locking piece 45, a rotary driving device capable of driving the locking piece 45 and the lock catch 451 to rotate is arranged between the fixed shaft 44 and the locking piece 45, a lock catch hole 412 capable of enabling the lock catch 451 to pass through is arranged on the side surface cover 41, the surface cover 40 is pulled to pull the fixed shaft hole 412, the surface cover 42 and the lock catch 44 to rotate upwards when the lock catch 451 is pulled upwards, the lock catch 451 is pulled upwards through the rotary driving device is pulled upwards, the lock catch 451 is pulled downwards to the position by the first rotary driving device is pulled upwards, the lock catch 451 is pulled upwards through the position of the shaft hole 412, and the lock catch 451 is pulled upwards when the lock catch 451 is pulled upwards and is pulled upwards to rotate to the maximum, and the position is pulled upwards through the rotary driving device is pulled upwards, and the rotary driving device is pulled to rotate body 45, and reaches the maximum, and the rotary driving device is pulled to rotate through the rotary driving device is pulled through the rotary driving device and can rotate through the rotary driving device.
The folding and gathering mechanism of the bed body is characterized in that: the travel limiting device comprises a plurality of sliding rods 4311 fixed on a linkage seat 431, a sliding sleeve 421 for inserting the sliding rods 4311 and sliding the sliding rods 4311 up and down is arranged on the surface cover 42, and a piston member 4312 capable of preventing the sliding rods 4311 from sliding out from the bottom of the sliding sleeve 421 is fixed on the sliding rods 4311.
The folding and gathering mechanism of the bed body is characterized in that: the locking member 45 is a sleeve sleeved outside the fixed shaft 44, the rotation driving device comprises a guide shaft 441 radially fixed on the fixed shaft 44 and protruding outside the fixed shaft 44, the locking member 45 is provided with an arc chute 452 slidably matched with the guide shaft 441, and the guide shaft 441 drives the locking member 45 to rotate when moving up and down in the arc chute 452.
The folding and gathering mechanism of the bed body is characterized in that: the sleeve 46 is sleeved outside the fixed shaft 44 and the locking piece 45, the sleeve 46 is fixed on the fixed shaft 44, and a third spring 47 is arranged between the fixed shaft 44 and the locking piece 45.
The folding and gathering mechanism of the bed body is characterized in that: the lifting device 40 comprises a handle fixing piece 401 fixed on the top of the face cover 42, a handle 402 is rotatably connected to the handle fixing piece 401, and a pull rope 403 is arranged on the handle 402.
The folding and gathering mechanism of the bed body is characterized in that: the bottom of the upright post 1 is provided with a universal wheel 11.
The folding and gathering mechanism of the bed body is characterized in that: the guardrail fastening device 3 comprises a corner frame 12 arranged on the upright 1, the upper end of the corner frame 12 is hinged with one end of a railing 20, an upper linkage piece 31 and a lower linkage piece 32 are arranged between the corner frame 12 and the railing 20, the upper end of the upper linkage piece 31 is hinged with the railing 20, the lower end of the lower linkage piece 32 is hinged with the lower end of the corner frame 12, a movable supporting rod 33 is arranged in the middle of the corner frame 12, the lower end of the upper linkage piece 31 and the upper end of the lower linkage piece 32 are respectively hinged with the supporting rod 33, a fastening hole 121 is arranged in the middle of the corner frame 12, a telescopic buckle 34 capable of being telescopic is arranged on the supporting rod 33, a first spring 35 for pushing the telescopic buckle 34 outwards is arranged between the telescopic buckle 34 and the supporting rod 33, in a bed unfolding state, a fixed triangular frame is formed among the lower linkage piece 32, the supporting rod 33 and the corner frame 12, and the upper linkage piece 31 and the railing 20 are fastened on the corner frame 12.
The folding and gathering mechanism of the bed body is characterized in that: the rail fastening device 22 comprises a telescopic piece 221 arranged on the rail 20 and capable of extending or retracting relative to the rail 20, and a second spring 222 for ejecting the telescopic piece 221 outwards, wherein the rail connecting piece 21 is provided with a fastening groove 211 which can be used for inserting the telescopic piece 221 when the bed body is in an unfolded state and can prevent the left and right rails 20 from rotating relative to the rail connecting piece 21 after the telescopic piece 221 is inserted.
The folding and gathering mechanism of the bed body is characterized in that: the folding unlocking device 6 comprises a steel wire connecting piece 61 which is arranged above a first extension rod 51 and can slide up and down in a column 1, a first stay 62 which is used for connecting the first and the second stay 62 is arranged between the steel wire connecting piece 61 and the first extension rod 51, a left second stay 63 and a right second stay 63 are respectively arranged between a left telescopic piece 221 and a right telescopic piece 221 which are corresponding to a left railing 20 and a right railing 20 which are connected to the same column 1, a pulling hole 341 is arranged on a telescopic buckle 34, a pulling piece 64 which can drive the telescopic buckle 34 to retract into a supporting rod 33 during pulling is penetrated into the pulling hole 341, a yielding hole 331 which is used for enabling the pulling piece 64 to penetrate out and swing is arranged on the supporting rod 33, a left third stay 65 and a right third stay 65 which are respectively arranged between the left and the right pulling piece 64 and the steel wire connecting piece 61 and the left railing 20 which are corresponding to the left railing 20 and the same column 1 are pulled, a fastening groove 211 which is used for enabling the left telescopic piece 221 to pull the left telescopic piece and the right telescopic piece 20 and the corresponding fastening groove 211, and simultaneously pulling the left telescopic buckle 64 and the fastening groove 121 and the telescopic buckle 64 to pull the left telescopic buckle 65.
The folding and gathering mechanism of the bed body is characterized in that: a tension spring 36 for pulling the stay 33 to a side opposite to the third cable 65 is provided between the stay 33 and the corner bracket 12.
The folding and gathering mechanism of the bed body is characterized in that: the steel wire connecting piece 61 is of a T-shaped structure, the first inhaul cable 62 is connected to the bottom end of the steel wire connecting piece 61, the second inhaul cable 63 is respectively connected to the left end and the right end of the steel wire connecting piece 61, and the third inhaul cable 65 is respectively connected to the left end and the right end of the steel wire connecting piece 61.
The folding and gathering mechanism of the bed body is characterized in that: the rail 20 on at least one guardrail 2 comprises a first rod 201 and a second rod 202 which are detachably connected with each other, the first rod 201 and the upright 1 are rotatably connected, the guardrail fastening device 3 is arranged between the first rod 201 and the upright 1, the second rod 202 is hinged with the rail connecting piece 21, the corresponding second cable 63 comprises a first cable section 631 arranged in the first rod 201 and a second cable section 632 arranged in the second rod 202, one end of the first cable section 631 is connected with the steel wire connecting piece 61, one end of the second cable section 632 is connected with the telescopic piece 221, a buckling device 633 capable of buckling the first rod 201 and the second rod 202 into a whole and buckling the first cable section 631 and the second cable section 632 together after buckling so that the first cable section 631 and the second cable section 632 move as a whole is arranged on the second rod 202, and the buckling device 633 capable of enabling the button device to be in a buckled state when the buckling device 633 is pressed down is arranged on the second rod 202.
The folding and gathering mechanism of the bed body is characterized in that: the fastening device 633 comprises a fastener 6331 and a fastener 6332 fastened to the fastener 6331, the fastener 6332 is slidably connected to the first rod 201, a fourth spring 6333 for ejecting the fastener 6332 outwards is provided on the first rod 201, the first cable segment 631 is connected to the fastener 6332 and used for pulling the fastener 6332 into the first rod 201, the fastener 6331 is slidably connected to the second rod 202, the fastener 6331 is connected to the second cable segment 632 and is pulled to the telescopic member 221 by the second cable segment 632, and when the button 634 is pressed, the fastener 6331 can be pushed to the fastener 6332 side to release the fastening.
The folding and gathering mechanism of the bed body is characterized in that: the middle parts of the two upright posts 1 corresponding to the left and right first rods 201 are respectively hinged with a bedside bed fixing piece 13, a supporting rod 14 for supporting and fixing the bedside bed fixing piece 13 is arranged between the bedside bed fixing piece 13 and the upright posts 1, the supporting rod 14 is detachably connected with the bedside bed fixing piece 13 and the upright posts 1, and the left and right bedside bed fixing piece 13 forms a bracket for supporting the left and right second rods 202 and the railing connecting pieces 21 in a fastening state in a supporting state.
The folding and gathering mechanism of the bed body is characterized in that: the length of the left and right handrails 20 on the same guardrail 2 is equal.
The folding and gathering mechanism of the bed body is characterized in that: the number of the upright posts 1 is four, and the upright posts are distributed in a rectangular shape.
The utility model provides an use foretell bed body folding mechanism's recreation bed which draws in, its characterized in that: a cloth 70 is arranged between two adjacent columns 1, a base cloth 71 positioned above the surface cover 42 is arranged between the bottoms of the cloth 70, an edge ring 72 is arranged on the base cloth 71, a base cloth fastener 73 used for fixing the edge ring 72 is arranged on the surface cover 42 and positioned on the outer side of the lifting device 40, the lifting device 40 is exposed above the base cloth 71 from the edge ring 72, a base cushion 74 can be detachably arranged above the base cloth 71, a bed cloth 75 is hung on the folding and gathering mechanism of the bed body, and a mattress 76 is arranged on the bed cloth 75.
Compared with the prior art, the invention has the following advantages:
1. the invention has simple structure, reasonable and compact layout and easy production and manufacture.
2. When the folding and folding device is folded and folded, the pull rope is pulled and lifted upwards, the face cover and the guide shaft are pulled upwards, and the lock catch rotates and is disengaged from buckling; the surface cover is pulled to move upwards to drive all control rods to rotate upwards together, meanwhile, all first extension rods rotate downwards, and the first extension rods pull corresponding steel wire connecting pieces, so that all telescopic pieces are pulled to be separated from corresponding fastening grooves, and meanwhile, all pulling pieces are pulled to drive corresponding telescopic buckles to be separated from fastening holes, and locking between all left and right handrails and locking between handrails and upright posts are released in one step; and the lifting is continued, all the control rods continue to rotate upwards and drive the corresponding upright posts to be close to each other, meanwhile, the railing rotates downwards until the folding is completed, and the operation is completed by one hand, so that the operation is simple and convenient.
3. According to the invention, the linkage device controls the control rods to rotate together, and then the control rods control the folding unlocking device to unlock the railing fastening device and the railing fastening device together, so that the linkage unlocking of folding and folding of the bed body is realized, and the conditions that part of the fastening devices are locked and the other part of the fastening devices are unlocked are avoided.
4. According to the invention, the anti-slip device capable of limiting the linkage seat to automatically slip when the bed body is in an unfolding state is arranged on the support box, and the linkage seat can be prevented from automatically slipping and unlocking the railing fastening device and the guardrail fastening device when the bed body is in an inclined, tilting or vibrating state, so that the safety and stability in use are realized.
5. The rotary driving device consists of the guide shaft and the arc-shaped chute, when the guide shaft moves upwards in the arc-shaped chute, the locking piece and the lock catch rotate to unlock, and the unlocking action of the lock catch is fused in the lifting process of the lifting device, so that the lifting device can finish unlocking and folding in one step, and the operation is simplified.
6. The angle frame is hinged with the railing to realize the rotation connection of the railing and the upright post, and the stay bar, the telescopic buckle, the upper linkage piece and the lower linkage piece are used for realizing the locking fastening and unlocking rotation of the railing and the upright post; when the folding is needed, the telescopic buckle is retracted into the stay bar to be separated from the fastening hole, and the stay bar is released from being fixed, so that the upper linkage piece and the lower linkage piece are released from being fixed, and the unlocking is simple and convenient, and the one-step completion is realized.
7. According to the invention, the pulling hole is formed in the telescopic buckle, the pulling piece is penetrated in the pulling hole, the telescopic buckle is driven to retract into the supporting rod by the pulling piece to be separated from the fastening hole, and after unlocking, the supporting rod is pulled to swing away from the position of the fastening hole, so that the telescopic buckle is prevented from entering the fastening hole to be locked again in the unlocking state, the structure is simple, and the operation is simple and easy through one-step completion of pulling the pulling piece.
8. According to the invention, the tension spring used for pulling the stay bar to one side opposite to the pulling piece is arranged between the stay bar and the corner frame, when the railing and the upright post are required to be locked, after the pulling piece is loosened and pulled, the stay bar and the telescopic buckle can be pulled to swing to the position of the fastening hole through the tension spring, so that the telescopic buckle is ejected out by the first spring and buckled into the fastening hole for locking.
9. The invention has the advantages that the steel wire connecting pieces are arranged in each upright post, the corresponding first inhaul cable, the corresponding left and right second inhaul cables and the corresponding left and right third inhaul cables are connected to each steel wire connecting piece, the first extension rod rotates downwards, the steel wire connecting pieces are pulled through the first inhaul cables, the second inhaul cables and the third inhaul cables are pulled, the left and right second inhaul cables pull the left and right telescopic members to retract the railing and separate from the corresponding fastening grooves, meanwhile, the left and right third inhaul cable pulling pieces drive the telescopic buckles to retract the supporting rods and separate from the fastening holes, and the five-wire structure is adopted, so that the locking of all guardrail fastening devices and railing fastening devices is released in one step, and the structure is simple.
10. In the unfolding state of the bed body, the left and right second rods and the railing connecting piece are a mutually fixed whole body under the locking of the railing fastening device, the left and right buttons are pressed to enable the left and right buckling devices to be out of buckling, and the whole body formed by the left and right second rods and the railing connecting piece is taken down to form a bedside bed structure with one side being opened; in addition, the supporting rods are inserted into corresponding hole sites on the bedside bed fixing pieces and the upright posts, the bedside bed fixing pieces are supported and fixed, and then the whole body formed by the left second rod, the right second rod and the railing connecting pieces is supported on the left bedside bed fixing piece and the right bedside bed fixing piece to form a bedside bed edge, and meanwhile, the left upright post and the right upright post can be fixed, so that the bed body is prevented from being folded in a bedside bed state, and the bed body is stable and reliable; when the folding bed is required to be folded, the whole formed by the left second rod, the right second rod and the railing connecting piece is taken down from the bedside bed fixing piece and is buckled on the corresponding two left first rods and the right first rods again, so that the folding and unfolding functions of the bed body can be realized.
11. When the bed cloth, the mattress and the bottom cushion are disassembled, the game bed can be pulled up by pulling the pull rope exposed above the bottom cloth, and the bed body can be folded and folded by one hand, so that the operation is simple and convenient.
[ description of the drawings ]
The invention is described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a schematic view of a bed folding mechanism;
FIG. 2 is an exploded view of the cartridge and components mounted thereon;
fig. 3 is a bottom view of the bottom chassis;
FIG. 4 is a cross-sectional view of the combined structure of the linkage mount and its associated components;
FIG. 5 is an exploded view of the guardrail securing device;
FIG. 6 is a cross-sectional view of the guardrail securing device in a secured condition;
FIG. 7 is a schematic view of the structure of the folding and unlocking device;
FIG. 8 is a schematic view of the components of the folding and gathering mechanism of the bed body in a coordinated motion during folding and gathering;
FIG. 9 is a second schematic view of a bed folding mechanism;
FIG. 10 is an exploded view of the combined structure of the first and second stems and the snap-fit device;
FIG. 11 is a schematic view of a bed body folding mechanism in a bedside bed position;
FIG. 12 is a cross-sectional view of a play yard employing a bed folding mechanism;
fig. 13 is a partial enlarged view a in fig. 12;
fig. 14 is a schematic view of the structure of the play yard without the bed cloth and the bed board.
[ detailed description ] of the invention
The invention is further described below with reference to the accompanying drawings:
the folding and gathering mechanism of the bed body as shown in fig. 1 to 14 comprises a plurality of upright posts 1, a guardrail 2 is arranged between two adjacent upright posts 1, each guardrail 2 comprises a left railing 20 and a right railing 20 respectively, one end of each railing 20 is rotationally connected with the corresponding upright post 1 in the up-down direction, a guardrail fastening device 3 capable of locking the railing 20 on the upright post 1 in the unfolded state of the bed body is arranged between each railing 20 and the corresponding upright post 1, a railing connecting piece 21 respectively hinged with the railing 20 and capable of rotating the railing 20 in the up-down direction is arranged between the railing 20 and the railing connecting piece 21, a railing fastening device 22 capable of locking the railing 20 and the railing connecting piece 21 mutually in the unfolded state of the bed body is arranged between the upright posts 1, a bracket box 4 is arranged between the lower part of each upright post 1 and the bracket box 4, the two ends of the control rod 5 are respectively hinged with the upright 1 and the bracket box 4, the control rod 5 can rotate up and down relative to the upright 1 and the bracket box 4, the control rod 5 is provided with a first extension rod 51 and a second extension rod 52 which extend towards the two ends along two hinged points, the bracket box 4 is provided with a linkage device 43 which can act on the second extension rod 52 to drive all the control rods 5 to rotate together, and a pulling device 40 which is used for pulling by a person and can drive the linkage device 43 to work when lifting upwards so as to drive the control rod 5 to rotate upwards, and a folding unlocking device 6 which can unlock the locking state of the railing fastening device 22 and the railing fastening device 3 when the first extension rod 51 rotates downwards is arranged between the first extension rod 51 and the railing fastening device 22 and the railing fastening device 3.
Pulling the lifting device 40 by hand and lifting up, driving the linkage device 43, wherein the linkage device 43 acts on the second extension rod 52 to drive the control rod 5 to rotate upwards by taking the hinge point of the control rod 5 and the upright 1 as a fulcrum, and relatively rotating downwards the first extension rod 51 and driving the folding unlocking device 6 to unlock the locking state of the railing fastening device 22 and the railing fastening device 3 respectively, so that the railing 20 and the corresponding railing connecting piece 21 can rotate mutually, and each railing 20 can rotate up and down relative to the corresponding upright 1; and the pulling-up device 40 is continuously pulled up to drive the control rods 5 to continuously rotate upwards, and as all the control rods 5 are hinged on the support box 4, the control rods 5 are folded towards the support box 4, the upright posts 1 are mutually closed under the action of the control rods 5, and meanwhile, the railing 20 rotates downwards until the folding is completed. Therefore, the folding and gathering of the bed body can be realized in one step only by pulling the lifting device 40 with one hand and lifting the lifting device, and the operation is simple and convenient, as shown in fig. 8.
Preferably, the bottom of the upright 1 is provided with universal wheels 11, so that the uprights 1 can be better mutually closed when folded.
Preferably, the lengths of the left and right rails 20 on the same guardrail 2 are equal, so that the folded bed body folding mechanism is small in size and convenient to store and transport.
Preferably, the number of the upright posts 1 is four, and the upright posts are distributed in a rectangular shape. The number of the upright posts 1 can be three or more than five according to the use requirement.
Preferably, the linkage 43 includes a linkage seat 431 capable of sliding up and down in the bracket box 4, and a link 432 with two ends hinged to the linkage seat 431 and the second extension rod 52 is disposed between the linkage seat 431 and the second extension rod 52, as shown in fig. 2, the linkage seat 431 can drive the second extension rod 52 to follow up and down movement thereof and rotate the control rod 5 up and down when sliding up and down through the link 432.
Preferably, the support box 4 is provided with an anti-slip device capable of limiting the linkage seat 431 to automatically slide upwards when the bed body is in a unfolded state, and preventing the linkage seat 431 from automatically sliding and unlocking the railing fastening device 22 and the railing fastening device 3 when the bed body is in an inclined, toppled or vibration state.
Preferably, the bracket box 4 includes a bottom shell 41 hinged to the control lever 5, the linkage seat 431 is slidably connected in the bottom shell 41, the anti-slip device includes a surface cover 42 slidably connected to the linkage seat 431, a travel limiting device for limiting a vertical sliding travel of the surface cover 42 relative to the linkage seat 431 is disposed between the surface cover 42 and the linkage seat 431, the lifting device 40 is connected to the surface cover 42 and can pull the surface cover 42 to move upwards when pulled upwards, a shaft hole 411 is disposed on the bottom shell 41, a fixed shaft 44 is fixed at the bottom of the surface cover 42, a locking piece 45 capable of penetrating through the shaft hole 411 is connected to the fixed shaft 44, a lock catch 451 extending out of the bottom of the shaft hole 411 when the bed body is in an unfolded state is disposed on the locking piece 45, a rotation driving device capable of driving the locking piece 45 and the lock catch 451 to rotate is disposed between the fixed shaft 44 and the locking piece 45, and a lock catch 451 is disposed on a side surface of the bottom shell 41 located on the shaft hole 411, and a lock catch hole 412 is disposed on the side of the bottom shell 41, as shown in fig. 2-4. Pulling the lifting device 40, pulling the cover 42 and the fixed shaft 44 upwards, under the action of the rotary driving device, the locking piece 45 and the lock catch 451 rotate, when the lock catch 451 rotates to the position of the lock catch hole 412, the lock catch 451 is pulled upwards into the lock catch hole 412 to be separated from the outer wall of the bottom of the shaft hole 411, the lock catch is released, the cover 42 is pulled continuously, when the maximum stroke of the stroke limiting device is reached, the linkage seat 431 is pulled to move upwards through the cover 42, the second extension rod 52 and the control rod 5 are pushed to rotate upwards under the action of the connecting rod 432, and meanwhile the first extension rod 51 rotates downwards.
Preferably, the stroke limiting device comprises a plurality of sliding rods 4311 fixed on the linkage seat 431, the surface cover 42 is provided with a sliding sleeve 421 for inserting the sliding rods 4311 and for sliding the sliding rods 4311 up and down therein, and the sliding rods 4311 are fixed with a piston member 4312 capable of preventing the sliding rods 4311 from sliding out from the bottom of the sliding sleeve 421, as shown in fig. 4. When the cover 42 slides up relative to the linkage seat 431, at the maximum stroke, the piston member 4312 abuts against the sliding sleeve 421, thereby pulling the linkage seat 431 to move together.
Preferably, the locking member 45 is a sleeve sleeved outside the fixed shaft 44, the rotation driving device comprises a guide shaft 441 radially fixed on the fixed shaft 44 and protruding outside the fixed shaft 44, the locking member 45 is provided with an arc chute 452 slidably matched with the guide shaft 441, the guide shaft 441 drives the locking member 45 to rotate when moving up and down in the arc chute 452, and the locking member 45 and the lock catch 451 rotate and unlock when the guide shaft 441 moves up in the arc chute 452; when the guide shaft 441 moves downwards in the arc chute 452, the locking piece 45 and the lock catch 451 are locked in a rotating manner, the structure is simple, and the lock catch 451 can be unlocked in one step in the lifting process of the lifting device 40, so that the operation is convenient.
Preferably, a sleeve 46 is sleeved outside the fixed shaft 44 and the locking piece 45, the sleeve 46 is fixed on the fixed shaft 44, a third spring 47 is arranged between the fixed shaft 44 and the locking piece 45, and the third spring 47 is used for pressing the fixed shaft 4 and the locking piece 45 towards two ends. When the lifting device 40 is pulled up to unlock the lock catch 451, the third spring 47 makes it easier to pull the fixed shaft 44 to drive the lock catch 451 to rotate and unlock; when the pressing surface cover 42 is locked by pressing down the lock catch 451, the side wall of the lock catch hole 412 restricts the lock catch 451 from rotating in the lock catch hole 412 before the lock catch 451 passes through the lock catch hole 412, and the third spring 47 provides a downward elastic force to the lock piece 45, thereby reducing the force of the guide shaft 441 acting on the arc chute 452, reducing the rotational force of the lock piece 45, thereby reducing the friction between the lock catch 451 and the wall of the lock catch hole 412, and facilitating the user to press down the surface cover 42.
Preferably, the rail fastening device 22 includes a telescopic member 221 provided on the rail 20 and capable of being extended or retracted with respect to the rail 20, and a second spring 222 for ejecting the telescopic member 221 outwards, and the rail connecting member 21 is provided with a fastening groove 211 for allowing the telescopic member 221 to be inserted in a unfolded state of the bed, and preventing the left and right rails 20 from rotating with respect to the rail connecting member 21 after the telescopic member 221 is inserted, as shown in fig. 6, after the telescopic member 221 of the left and right rails 20 is inserted into the corresponding fastening groove 211, the left and right rails 20 and the rail connecting member 21 are locked and fastened as a whole.
Preferably, the guardrail fastening device 3 comprises a corner frame 12 arranged on the upright 1, the upper end of the corner frame 12 is hinged with one end of the railing 20, an upper linkage piece 31 and a lower linkage piece 32 are arranged between the corner frame 12 and the railing 20, the upper end of the upper linkage piece 31 is hinged with the railing 20, the lower end of the lower linkage piece 32 is hinged with the lower end of the corner frame 12, a movable supporting rod 33 is arranged in the middle of the corner frame 12, the lower end of the upper linkage piece 31 and the upper end of the lower linkage piece 32 are respectively hinged with the supporting rod 33, a fastening hole 121 is arranged in the middle of the corner frame 12, a telescopic buckle 34 capable of being telescopic is arranged on the supporting rod 33, a first spring 35 for ejecting the telescopic buckle 34 outwards is arranged between the telescopic buckle 34 and the supporting rod 33, in a bed body unfolding state, the telescopic buckle 34 stretches out and is buckled in the fastening hole 121, a fixed tripod is formed between the lower linkage piece 32, the supporting rod 33 and the corner frame 12, the upper linkage piece 31 and the railing 20 are fastened on the upright 1 and the railing 20 correspondingly to the upright 20 in a figure 5.
A rail fastening device 22 is arranged between each pair of left and right rails 20, a guardrail fastening device 3 is arranged between each rail 20 and the upright post 1, and the upright post 1 and the guardrail 2 form a stable whole in the locked state of the guardrail fastening device 3 and the rail fastening device 22.
Preferably, the folding unlocking device 6 includes a wire connector 61 disposed above the first extension rod 51 and capable of sliding up and down in the upright 1, a first cable 62 for connecting the wire connector 61 and the first extension rod 51 is disposed between the wire connector 61 and the first extension rod 51, a left second cable 63 is disposed between the wire connector 61 and a left telescopic member 221 and a right telescopic member 221 corresponding to the left and right balustrade 20 connected to the same upright 1, a pulling hole 341 is disposed on the telescopic buckle 34, a pulling member 64 capable of driving the telescopic buckle 34 to retract into the brace 33 during pulling is disposed in the pulling hole 341, a yielding hole 331 for allowing the pulling member 64 to pass through and swing is disposed on the brace 33, and a left third cable 65 is disposed between the wire connector 61 and the left and right pulling member 64 corresponding to the left and right balustrade 20 connected to the same upright 1, as shown in fig. 5 to 7. Each upright 1 is internally provided with a steel wire connecting piece 61, each steel wire connecting piece 61 is connected with a corresponding first stay wire 62, a corresponding left second stay wire 63, a corresponding right third stay wire 65, the first extension rod 51 rotates downwards, the steel wire connecting piece 61 is pulled through the first stay wire 62, the second stay wire 63 and the third stay wire 65 are pulled, the left and right second stay wires 63 pull left and right telescopic members 221 to retract the railing 20 and release corresponding fastening grooves 211, meanwhile, the left and right third stay wires 65 pull pulling members 64 to drive the telescopic buckles 34 to retract the supporting rods 33 and release fastening holes 121, and locking of all guardrail fastening devices 3 and railing fastening devices 22 is released in one step.
The first 62, second 63 and third 65 cables are preferably steel wires, which may also be other cable constructions.
Preferably, the steel wire connecting piece 61 is of a T-shaped structure, the first inhaul cable 62 is connected to the bottom end of the steel wire connecting piece 61, the second inhaul cable 63 is respectively connected to the left end and the right end of the steel wire connecting piece 61, the third inhaul cable 65 is respectively connected to the left end and the right end of the steel wire connecting piece 61, and the structure is symmetrical, and the left control and the right control are accurate.
Preferably, a tension spring 36 for pulling the stay 33 to a side opposite to the third cable 65 is provided between the stay 33 and the corner bracket 12.
Preferably, the lifting device 40 includes a handle fixing member 401 fixed on the top of the cover 42, a handle 402 is rotatably connected to the handle fixing member 401, and a pull rope 403 is disposed on the handle 402, as shown in fig. 2.
As shown in fig. 8, when the folding and folding are carried out, the pull rope 403 is pulled up, the face cover 42 and the guide shaft 441 are pulled up, and the lock catch 451 is rotated and disengaged; continuing to lift, then, the face cover 42 pulls the linkage seat 431 to move upwards to drive all the control rods 5 to rotate upwards together, and simultaneously, all the first extension rods 51 rotate downwards, the first extension rods 51 pull the corresponding steel wire connecting pieces 61, so that all the telescopic pieces 221 are pulled to be separated from the corresponding fastening grooves 211, and all the pull pieces 64 are pulled to drive the corresponding telescopic buckles 34 to be separated from the fastening holes 121, so that the locking between all the left and right handrails 20 and between the handrails 20 and the upright posts 1 is released in one step; and the lifting is continued, all the control rods 5 continue to rotate upwards and drive the corresponding upright posts 1 to draw close to the bracket box 4, meanwhile, the railing 20 rotates downwards until the folding is completed, and the operation is completed by one hand, so that the folding device is simple and convenient.
When the telescopic rail needs to be unfolded, the control rods 5 are driven to rotate downwards by pressing the surface cover 42, all the control rods 5 are unfolded by taking the bracket box 4 as the center, the corresponding upright posts 1 are pushed to move outwards until the telescopic members 221 are stretched out and inserted into the fastening grooves 211 under the action of the second springs 222 after the telescopic members are completely unfolded, and the left rail 20, the right rail connecting members 21 are mutually locked; under the pulling of the tension spring 36, the stay bar 33 moves towards the fastening hole 12 with the telescopic buckle 34, and under the action of the first spring 35, the telescopic buckle 34 stretches out and is inserted into the fastening hole 12, so that the railing 20 is fastened on the corresponding upright post 1, and locking between all the left railing 20 and the right railing 20 and between the railing 20 and the upright post 1 is completed; in addition, after the lock catch 451 passes through the lock catch hole 412, the locking member 45 rotates under the cooperation of the guide shaft 441 and the arc chute 452, so that the lock catch 451 is fastened to the bottom outer wall of the lock catch hole 412.
As shown in fig. 9 to 11, in order to make the folding mechanism of the bed body have the bedside bed function, at least one of the left and right rails 20 on the guardrail 2 respectively comprises a first rod 201 and a second rod 202 which are detachably connected with each other, the first rod 201 and the upright 1 are rotatably connected, the guardrail fastening device 3 is arranged between the first rod 201 and the upright 1, the second rod 202 is hinged with the rail connecting piece 21, the corresponding second guy 63 comprises a first guy segment 631 arranged in the first rod 201 and a second guy segment 632 arranged in the second rod 202, one end of the first guy segment 631 is connected with the steel wire connecting piece 61, one end of the second guy segment 632 is connected with the telescopic piece 221, a buckling device 202 capable of buckling the first rod 201 and the second rod 202 into a whole and buckling the first guy segment 631 and the second guy segment 632 together after buckling so as to enable the first segment 631 and the second guy segment 632 to move as a whole is arranged on the second guy segment 633, and a button 634 is arranged between the first rod 201 and the second rod 202 so as to enable the buckling device to be disconnected from the button 633.
Preferably, the fastening device 633 includes a fastener 6331 and a fastener 6332 fastened to the fastener 6331, the fastener 6332 is slidably connected to the first rod 201, a fourth spring 6333 for ejecting the fastener 6332 outwards is provided on the first rod 201, the first cable segment 631 is connected to the fastener 6332 and is used for pulling the fastener 6332 into the first rod 201, the fastener 6331 is slidably connected to the second rod 202, the fastener 6331 is connected to the second cable segment 632 and is pulled to the telescopic member 221 by the second cable segment 632, and when the button 634 is pressed, the fastener 6331 can be pushed to the fastener 6332 side to disengage the fastening.
The middle parts of the two upright posts 1 corresponding to the left and right first rods 201 are respectively hinged with a bedside bed fixing piece 13, and a supporting rod 14 for supporting and fixing the bedside bed fixing piece 13 is arranged between the bedside bed fixing piece 13 and the upright posts 1; the support rod 14 is detachably connected with the bedside bed fixing piece 13 and the upright post 1; or the supporting rod 14 is hinged on the bedside bed fixing piece 13 and is detachably connected with the upright column 1; or the supporting rod 14 is hinged on the upright column 1 and can be detachably connected with the bedside bed fixing piece 13; the left and right bedside bed fixtures 13 form a bracket for supporting the left and right second bars 202 and the rail connecting pieces 21 in a fastened state in the set-up state.
In the unfolded state of the bed body, the left and right second rods 202 and the railing connecting piece 21 are in a mutually fixed whole body under the locking of the railing fastening device 22, the left and right buttons 634 are pressed to enable the left and right buckling devices 633 to be out of buckling, the whole body formed by the left and right second rods 202 and the railing connecting piece 21 is taken down, the bed body is formed into a bedside bed structure with one side being opened, and the unfolded bed body has the bedside bed function. In addition, the supporting rod 14 is inserted into the corresponding hole positions on the bedside bed fixing piece 13 and the upright post 1, the bedside bed fixing piece 13 is supported and fixed, and then the whole body formed by the left and right second rods 202 and the railing connecting piece 21 is erected on the left and right bedside bed fixing pieces 13 to form the edge of the bedside bed, and meanwhile, the left and right corresponding upright posts 1 can be fixed, so that the bed body is prevented from being folded in a bedside bed state, and the bed body is stable and reliable, as shown in figure 11.
When the folding bed is needed, the whole body formed by the left and right second rods 202 and the railing connecting piece 21 is taken down from the bedside bed fixing piece 13 and is buckled on the corresponding two left and right first rods 201 again, so that the folding and unfolding functions of the bed body can be realized. The whole formed by the left and right second rods 202 and the railing connecting piece 21 is buckled on the corresponding two left and right first rods 201 again, after buckling, the first rods 201 and the second rods 202 are fixed into a whole under the action of a buckling device, and the first inhaul cable section 631 and the second inhaul cable section 632 are connected into a whole to move, so that the folding and unfolding functions of the bed body can be realized; when the bed body needs to be folded, the first inhaul cable section 631 pulls the second inhaul cable section 632 under the pulling of the steel wire connecting piece 61, so that the telescopic piece 221 is pulled to retract the second rod 202 to be separated from the fastening groove 211, the locking and fastening states of the left second rod 202, the right second rod 202 and the railing connecting piece 21 are released, and the bed body folding function is realized by matching with the unlocking of the railing fastening device 3; when the bed body is unfolded, the left and right handrails 20 and the handrail connecting pieces 21 are locked and fastened through the telescopic pieces 221 and the fastening grooves 211, and the handrails 20 and the upright posts 1 are locked and fastened through the guardrail fastening devices 3, so that the function of the guardrail is realized.
Referring to fig. 12 to 14, in a play yard using the folding mechanism of the bed body, a cloth 70 is disposed between two adjacent columns 1, a base cloth 71 disposed above a cover 42 is disposed between bottoms of the cloth 70, an edge ring 72 is disposed on the base cloth 71, a base cloth fastener 73 for fixing the edge ring 72 is disposed on the cover 42 and outside the lifting device 40, the lifting device 40 is exposed above the base cloth 71 from the edge ring 72, a bottom pad 74 is detachably mounted above the base cloth 71, a bed cloth 75 is hung on the folding mechanism of the bed body, and a mattress 76 is disposed on the bed cloth 75.
When the bed body is folded and folded, the bed cloth 75, the mattress 76 and the bottom pad 74 are disassembled, and the pull rope 403 exposed above the bottom cloth 71 is pulled up, so that the bed body can be folded and folded by one hand.
Claims (7)
1. The utility model provides a folding mechanism of bed body which characterized in that: including a plurality of stand (1), be equipped with guardrail (2) between two adjacent stand (1), every guardrail (2) are equipped with respectively including left and right railing (20), railing (20) one end is rotated with corresponding stand (1) in upper and lower direction and is connected, be equipped with between railing (20) and the corresponding stand (1) and can lock railing (20) guardrail fastener (3) on stand (1) when the bed body is expanded the state, left and right on same guardrail (2) be equipped with respectively with both articulated and make the two can upper and lower direction pivoted railing connecting piece (21) between railing (20) and railing connecting piece (21), control rod (5) and extension rod (5) can be rotated to both ends (52) of extension rod (5) along articulated with stand (1) and support (4) respectively between railing (20) and railing connecting piece (21) be equipped with can be with the three mutually locked when the bed body is expanded the state, a plurality of be equipped with between stand (1) support box (4), every stand (1) lower part and support box (4) between be equipped with control rod (5), both ends of control rod (5) are equipped with articulated rod (5) respectively with stand (1) and support box (4) and extension rod (5) can extend down along two opposite ends (52), the support box (4) is provided with a linkage device (43) which can act on a second extension rod (52) to drive all control rods (5) to rotate together, and a lifting device (40) which is used for pulling by a person and can drive the linkage device (43) to work when being lifted upwards to drive the control rods (5) to rotate upwards, a folding unlocking device (6) which can unlock the locking state of the railing fastening device (22) and the railing fastening device (3) when the first extension rod (51) rotates downwards is arranged between the first extension rod (51) and the railing fastening device (22) and the railing fastening device (3), the linkage device (43) comprises a linkage seat (431) which can slide up and down in the support box (4), a connecting rod (432) with two ends respectively hinged with the linkage seat (431) and the second extension rod (52) is arranged between the linkage seat (431), the support box (4) is provided with a device which can limit the seat (431) to slide upwards automatically when the bed body is in a unfolded state, the support box (4) comprises a bottom shell (41) which is hinged with the control rods (431) and a sliding cover (41) and a sliding surface (41), a travel limiting device for limiting the up-and-down sliding travel of the surface cover (42) relative to the linkage seat (431) is arranged between the surface cover (42) and the linkage seat (431), the travel limiting device comprises a plurality of sliding rods (4311) fixed on the linkage seat (431), the surface cover (42) is provided with a sliding sleeve (421) for the sliding rods (4311) to be inserted and for the sliding rods (4311) to slide up and down in, the sliding rods (4311) are fixed with a piston part (4312) capable of preventing the sliding rods (4311) from sliding out of the bottom of the sliding sleeve (421), the lifting device (40) is connected with the surface cover (42) and can pull the surface cover (42) to move upwards when being pulled upwards, the bottom shell (41) is provided with a shaft hole (411), the bottom of the surface cover (42) is fixed with a fixed shaft (44), the fixed shaft (44) is connected with a locking part (45) capable of penetrating through the shaft hole (411), the locking part (45) is arranged on the fixed shaft (45) and is capable of extending out of the bottom of the shaft hole (411) when the bed body is in an unfolding state, so that the locking part (45) can be locked and rotated between the fixed shaft (45) and the self-lifting device (451) and the fixed shaft (45) in a rotating mode, the locking piece (45) is a shaft sleeve sleeved outside the fixed shaft (44), the rotary driving device comprises a guide shaft (441) which is fixed on the fixed shaft (44) in the radial direction and protrudes outside the fixed shaft (44), an arc-shaped sliding groove (452) which is matched with the guide shaft (441) in a sliding mode is arranged on the locking piece (45), the locking piece (45) is driven to rotate when the guide shaft (441) moves up and down in the arc-shaped sliding groove (452), a locking hole (412) through which the locking piece (451) can pass is formed in the side face of the shaft hole (411) on the bottom shell (41), the pulling device (40) is pulled, the face cover (42) and the fixed shaft (44) are pulled upwards, under the action of the rotary driving device, the locking piece (45) and the locking piece (451) rotate, and when the locking piece (451) rotates to the position of the locking piece (412), the locking piece (451) is pulled up into the locking piece (412) so as to be separated from the outer wall of the bottom of the shaft hole (411), the locking piece is disengaged, the face cover (42) is pulled up, and when the maximum travel limiting device is pulled up, the face cover (431) is pulled up through the face cover (431) to move up and the second connecting rod (52) to move upwards under the action of the second connecting rod (52).
2. The bed folding mechanism as set forth in claim 1, wherein: the bottom of the upright post (1) is provided with a universal wheel (11).
3. The bed folding mechanism as set forth in claim 1, wherein: the guardrail fastening device (3) comprises a corner frame (12) arranged on a stand column (1), the upper end of the corner frame (12) is hinged with one end of a railing (20), an upper linkage piece (31) and a lower linkage piece (32) are arranged between the corner frame (12) and the railing (20), the upper end of the upper linkage piece (31) is hinged with the railing (20), the lower end of the lower linkage piece (32) is hinged with the lower end of the corner frame (12), a movable supporting rod (33) is arranged in the middle of the corner frame (12), the lower end of the upper linkage piece (31) and the upper end of the lower linkage piece (32) are respectively hinged with the supporting rod (33), a fastening hole (121) is formed in the middle of the corner frame (12), a telescopic buckle (34) capable of being stretched out and pushed out outwards is arranged between the telescopic buckle (34) and the supporting rod (33), and the telescopic buckle (34) stretches out of the fastening hole (121) and forms a corner frame (12) and the corner frame (12) to be fastened.
4. A bed folding mechanism as claimed in claim 3, wherein: the railing fastening device (22) comprises a telescopic piece (221) which is arranged on the railing (20) and can extend or retract relative to the railing (20), and a second spring (222) which is used for ejecting the telescopic piece (221) outwards, wherein the railing connecting piece (21) is provided with a fastening groove (211) which can be used for inserting the telescopic piece (221) when the bed body is in an unfolded state and can prevent the left railing (20) and the right railing (20) from rotating relative to the railing connecting piece (21) after the telescopic piece (221) is inserted.
5. The bed folding mechanism as set forth in claim 4, wherein: folding unlocking device (6) is including establishing in first extension pole (51) top and can be in the gliding steel wire connecting piece (61) from top to bottom in stand (1), be equipped with first cable (62) of connecting the two between steel wire connecting piece (61) and first extension pole (51), with connect the same be equipped with respectively between left and right telescopic handle (221) and the steel wire connecting piece (61) that left and right railing (20) on stand (1) correspond, right second cable (63), be equipped with pulling hole (341) on flexible knot (34), wear to be equipped with in pulling hole (341) and can order about flexible knot (34) to pull piece (64) of withdrawing in going back in vaulting pole (33) when pulling, be equipped with on vaulting pole (33) and supply pulling piece (64) to wear out and wobbling and give way hole (331), with connect on same stand (1) on the corresponding left and right railing (20) of left and right railing (64) and connecting piece (61) between be equipped with respectively left and right second cable (63), third cable (65), thereby pulling wire (63), second cable (211) and second cable (65) are pulled simultaneously, and second cable (65) are pulled and pull groove (65) are pulled correspondingly The third stay rope (65) pulls the pulling piece (64) to drive the telescopic buckle (34) to retract into the supporting rod (33) and to be separated from the fastening hole (121).
6. The bed folding mechanism as set forth in claim 5, wherein: the guardrail (2) is characterized in that at least one left railing (20) and right railing (20) on the guardrail (2) respectively comprise a first rod (201) and a second rod (202) which can be connected in a mutually detachable mode, the first rod (201) and the upright (1) are connected in a rotating mode, a guardrail fastening device (3) is arranged between the first rod (201) and the upright (1), the second rod (202) is hinged to a railing connecting piece (21), the corresponding second inhaul cable (63) comprises a first inhaul cable section (631) arranged in the first rod (201) and a second inhaul cable section (632) arranged in the second rod (202), one end of the first inhaul cable section (631) is connected with a steel wire connecting piece (61), one end of the second inhaul cable section (632) is connected with a telescopic piece (221), a buckling device capable of buckling the first rod (201) and the second rod (202) into a whole, and enabling the first inhaul cable section (631) and the second inhaul cable section (202) to be buckled together after buckling, and the first inhaul cable section (631) and the second inhaul cable section (633) can be buckled together, so that the first inhaul cable section (631) and the second inhaul cable section (202) can be buckled together, and the first inhaul cable section (631) can be buckled together, and the second inhaul cable section can be buckled together.
7. A play yard employing the bed body folding mechanism of claim 1, wherein: be equipped with between two adjacent stand (1) enclosing cloth (70), be equipped with between the bottom of enclosing cloth (70) and be located backing (71) of face lid (42) top, be equipped with border (72) on backing (71), be equipped with on face lid (42) in the outside of pulling up device (40) and be used for fixing base cloth fastener (73) of border (72), pulling up device (40) expose in backing (71) top from border (72), backing (71) top demountable installation has bed pad (74), bed cloth (75) have been hung on folding mechanism of folding the bed body, be equipped with mattress (76) on bed cloth (75).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811065500.8A CN108926173B (en) | 2018-09-13 | 2018-09-13 | Folding mechanism of bed body and play yard thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811065500.8A CN108926173B (en) | 2018-09-13 | 2018-09-13 | Folding mechanism of bed body and play yard thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108926173A CN108926173A (en) | 2018-12-04 |
| CN108926173B true CN108926173B (en) | 2023-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811065500.8A Active CN108926173B (en) | 2018-09-13 | 2018-09-13 | Folding mechanism of bed body and play yard thereof |
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| Country | Link |
|---|---|
| CN (1) | CN108926173B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111297119B (en) * | 2020-03-31 | 2021-12-21 | 安徽酷豆丁科技发展股份有限公司 | Top folding mechanism of folding bed legs |
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| CN106667140A (en) * | 2017-01-17 | 2017-05-17 | 安徽酷豆丁科技发展股份有限公司 | Portable game bed |
| CN108209318A (en) * | 2018-03-19 | 2018-06-29 | 宁波海曙天华产品设计有限公司 | The upper folding device of child play bed |
| CN209421520U (en) * | 2018-09-13 | 2019-09-24 | 张发辉 | A kind of children's bed body folds gathering mechanism and its play yard |
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|---|---|
| CN108926173A (en) | 2018-12-04 |
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