CN209733222U - Baby nursing platform support and baby nursing platform - Google Patents

Abstract

The utility model relates to a baby nursing table bracket, which comprises an upper supporting component, a lower supporting component and a bracket folding component, wherein the upper supporting component comprises a pair of upper joints and two groups of supporting frames for connecting the upper joints, and at least one group of supporting frames rotates relative to the upper joints; the lower supporting component can be folded or unfolded relative to the upper supporting component and comprises a pair of lower joints, two groups of bottom brackets and an angle limiting mechanism, wherein at least one group of bottom brackets can rotate relative to the lower joints; the support is closed the subassembly and is used for making baby care platform support keeps at the user state, baby care platform support can realize closing for the folding of the tie point between the upper and lower joint under the condition of not dismantling to can adapt to narrow and small storage space better, the transport of being convenient for, its folding receipts are closed and are opened the easy and simple to handle that restores, and most users all can independently accomplish.

Description

Baby nursing platform support and baby nursing platform

Technical Field

The utility model relates to a articles for babies field relates to a can fold receive, need not to relapse baby nursing platform support of dismouting.

Background

In daily life, the baby needs to be frequently changed every day, most parents all put the baby on a bed or on a sofa nearby when changing the diaper for the baby at home to operate, and because the height of the baby and the parent is low, the parents mostly need to bend over during operation, and in the past, the injury to the waist of the parents is inevitably caused.

In order to avoid this, more and more families are added with nursing platforms (also called diaper platforms) specially used for changing diapers for babies and other nursing, when the diapers for the babies need to be changed, the babies can be directly placed on the nursing platforms, and because the height of the nursing platforms is basically matched with the height of the adults, the adults do not need to bow for a long time when performing corresponding operations, thereby not only bringing convenience to adults, reducing the stooping and being convenient to operate, but also providing comfortable environment for children.

the table top of the existing baby nursing table is supported by a wooden support, the structure of the support is complex, the manufacturing cost is relatively high, the support cannot be folded, the occupied space is large, the product packaging and transporting cost is increased, and the storage of the product is not facilitated; in order to solve the problem that the wood support occupies a large space, manufacturers of some nursing tables invent a nursing frame support formed by two groups of supporting frames, the two groups of supporting frames are arranged in a crossed mode, when the nursing frame support is used, the two groups of supporting frames are separated towards two sides to form an X shape, and when the nursing frame support is not used, only the two groups of supporting frames are needed to be combined. This kind of nursing platform support has solved the great problem of wooden support occupation space to a certain extent, but because two sets of braced frame's highly can reach the position of adult's belly mostly, when this nursing platform support of needs transport, because braced frame's height is too high, can't wholly place in the relatively narrow and small space (like the reserve railway carriage or compartment of car), and in order to realize above-mentioned function, then can only be with the design of two sets of braced frame of above-mentioned support for detachable structure, when the unable whole support that is the state of packing up of placing in space, can only dismantle it earlier, and when using, assemble it again, consuming time, hard, increased consumer's use burden among the intangible.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a baby nursing platform support that can fold receipts, need not to relapse the dismouting.

In order to achieve the above object, the utility model provides a following technical scheme:

The utility model discloses a baby nursing platform support, including upper portion supporting component, lower part supporting component and support receipts receive the subassembly, wherein, the upper portion supporting component includes a pair of upper joints and two sets of carriage, each carriage's both ends respectively with a pair of upper joints are connected, at least one set of carriage in two sets of carriage can rotate for the upper joint; the lower supporting component can be folded or unfolded relative to the upper supporting component and comprises a pair of lower joints, two groups of bottom supports and an angle limiting mechanism, two top ends of each group of bottom supports are respectively connected with the pair of lower joints, the lower joints are respectively rotatably connected with the upper joints arranged on the same side of the lower joints, at least one group of bottom supports in the two groups of bottom supports can rotate relative to the lower joints, and the angle limiting mechanism is used for limiting the maximum included angle between the two groups of bottom supports; the support folding assembly is used for keeping the baby nursing table support in a use state.

Further, the subassembly is closed to support receipts is including closing sliding sleeve, sliding sleeve stop gear and first receipts and close the connection piece, close the sliding sleeve cover locate on the support foot pipe of one of them set of bottom support, and can follow this support foot pipe and slide from top to bottom, first receipts close the one end of connection piece with close the sliding sleeve and rotate and connect, and its other end then rotates with a carriage adjacent with this support foot pipe and is connected, works as when baby nursing platform support is opened, receive the sliding sleeve that closes and close the drive of first receipts connection piece and slide to extreme position down, and by sliding sleeve stop gear carries on spacingly to it.

Furthermore, the two groups of supporting frames are respectively a first supporting frame and a second supporting frame, two ends of the first supporting frame and the second supporting frame are respectively connected with the upper joints arranged on the same side, and the first supporting frame can rotate relative to the pair of upper joints; a linkage piece is arranged between the first supporting frame and the second supporting frame, and two ends of the linkage piece are respectively arranged on the first supporting frame and the second supporting frame.

Furthermore, the linkage piece comprises a first linkage piece and a second linkage piece which are connected through a pivot, the upper edge of one end, connected with the first linkage piece, of the second linkage piece is provided with a stop piece, and the other ends of the first linkage piece and the second linkage piece are respectively pivoted with the first supporting frame and the second supporting frame; or, the linkage piece is a flexible belt body.

further, the bottom support comprises a pair of support foot tubes and a supporting beam, the support foot tubes are arranged in an H shape, the two groups of bottom supports are respectively a first bottom support and a second bottom support, the top ends of the support foot tubes are respectively connected with lower joints arranged on the same side, the first bottom support can rotate relative to the lower joints, the folding sliding sleeves are sleeved on the support foot tubes of the second bottom support, and the other end of the first folding connecting piece is pivoted with the second supporting frame adjacent to the support foot tubes of the second bottom support.

Furthermore, the angle limiting mechanism is a second folding connecting piece, one end of the second folding connecting piece is rotatably connected with the folding sliding sleeve, and the other end of the second folding connecting piece is connected with the support pin of the first bottom support through a pivot.

Further, the sliding sleeve limiting mechanism is provided with an elastic limiting block which is arranged on the sleeve and used for retracting the support foot tube of the sliding sleeve, the elastic limiting block protrudes out of the surface of the support foot tube, meanwhile, the elastic limiting block can retract into the support foot tube under the action of external force, when the acting external force is eliminated, the elastic limiting block can recover to protrude out of the surface of the support foot tube, and the elastic limiting block is provided with an inclined plane arranged at the lower part and a limiting end face arranged at the upper part.

Furthermore, the number of the folding sliding sleeves is 2, the folding sliding sleeves are respectively sleeved on the pair of support leg pipes of the first bottom support, 2 of the folding sliding sleeves are connected by a synchronous connecting rod, and 2 of the folding sliding sleeves slide upwards/upwards synchronously.

Furthermore, the number of the folding sliding sleeves is 2, the folding sliding sleeves are respectively sleeved on a pair of support leg pipes of the first bottom support, a positioning hole is arranged at the inner side of each support leg pipe, the folding sliding sleeves are connected by a hollow sliding connecting pipe, the sliding sleeve limiting mechanism comprises a pair of folding pull sleeves sleeved in the middle of the sliding connecting pipe and a pair of folding pull rods arranged in the sliding connecting pipe, one end of each folding pull rod is connected with the folding pull sleeves arranged on the same side, and reciprocates along the arrangement direction of the sliding connecting pipe under the driving of the folding pulling sleeve, when the folding sliding sleeve slides to the position corresponding to the positioning hole, the other end of the folding pull rod can extend out of the inner side wall surface of the corresponding folding sliding sleeve and is inserted into the corresponding positioning hole, so that the folding sliding sleeve is limited.

Furthermore, the sliding sleeve limiting mechanism further comprises an elastic member arranged inside the sliding connecting pipe, when the pair of folding pull rods move in opposite directions under the action of the folding pull sleeves, the elastic member generates a reverse acting force acting on the pair of folding pull rods, and once the folding sliding sleeve slides to a position corresponding to the positioning hole, the reverse acting force drives the pair of folding pull rods to move in opposite directions so as to enable the pair of folding pull rods to be inserted into the corresponding positioning hole.

Furthermore, the inner sides of the two ends of each support leg tube are respectively provided with the positioning holes, and the positions of the positioning holes respectively correspond to the limit positions of the folding sliding sleeve which slides upwards and downwards on the support leg tube.

Furthermore, a sliding groove is formed in the side wall of the sliding connecting pipe, two ends of the sliding groove are provided with limiting grooves perpendicular to the sliding groove, and the folding pull sleeve is connected with one end of the corresponding folding pull rod through a stud penetrating through the sliding groove.

Furthermore, a first side bracket is arranged at a position, close to the top, of the first support frame, the width of the first side bracket corresponds to the width of the first support frame, two end parts of the first side bracket are pivoted with two side rods of the first support frame through pivots, and a side bracket connecting piece which rotates relative to the side rods is further arranged between the first support frame and the first side bracket so as to limit the rotation angle of the first side bracket relative to the first support frame; the bottom of bottom support is provided with the gyro wheel of lockable.

The utility model also provides a baby nursing table, including baby nursing table mesa and as above baby nursing table support, baby nursing table mesa cover is located the top of two sets of carriage of baby nursing table support.

Compared with the prior art, baby nursing platform support have following advantage: the utility model discloses a baby nursing platform support includes upper portion supporting component and lower part supporting component through upper and lower joint rotation connection, be provided with the support between the upper and lower part supporting component and close the subassembly, this makes baby nursing platform support can realize folding the receipts relative to the tie point between the upper and lower joint under the condition of not dismantling, thereby can adapt to narrow and small containing space better, the transport of being convenient for, its folding receipts are closed and are opened the easy and simple to handle that recovers, most users can all independently accomplish; meanwhile, the support folding assembly arranged between the upper supporting assembly and the lower supporting assembly can enable the baby nursing platform support which is opened to a use state to be always kept in the use state, so that the stability of the baby nursing platform support is improved.

Drawings

The above and other objects, features and advantages of the present invention will be apparent from the following description of the preferred embodiments illustrating the subject matter of the invention and its use, and the accompanying drawings in which:

Fig. 1 is a perspective view of a baby nursing table bracket according to the present invention opened to a use state;

FIG. 2A shows a side view of yet another embodiment of an infant care table support of the present invention in an open to use position;

FIG. 2B is an enlarged view of portion A of FIG. 2A;

Fig. 3A is a schematic perspective view illustrating a foldable baby nursing table support according to the present invention;

Fig. 3B is a perspective view of a baby nursing table support according to another embodiment of the present invention folded to a collapsed state;

Fig. 4 shows a schematic view of a chute opening in the side wall of the sliding connection tube according to the invention;

Fig. 5 is a partial cross-sectional view of the retracting pull rod and the retracting pull sleeve according to the present invention;

FIG. 6A shows a side view of another embodiment of a baby care platform support according to the present invention in an open to use position;

Fig. 6B is an enlarged view of a portion B in fig. 6A.

[ description of main element symbols ]

First support frame 11

Second support frame 12

Upper joint 13

The first linkage plate 141 and the second linkage plate 142

First side bracket 15 side bracket connecting screw 151

elongated through hole 161 of side bracket connecting piece 16

Lower joint 21

Support leg 22 support beam 23

First bottom bracket 24 second bottom bracket 25

Folding sliding sleeve 31

First folding connecting piece 32 and second folding connecting piece 33

Synchronous connecting rod 34

Sliding connection pipe 35

Chute 351 limiting groove 352

Folding pull rod 36

Folding pull sleeve 37 stud 371

Elastic member 38

Elastic stopper 39

Inclined surface 391 limit end surface 392

Detailed Description

The technical solution of the embodiment of the baby nursing table support of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiment of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "lateral", "longitudinal", "front", "rear", "left", "right", "up", "down", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the invention.

as shown in fig. 1, 3A and 3B, the baby nursing table support of the present invention comprises an upper supporting member, a lower supporting member and a support folding member.

Wherein, the upper supporting component comprises a pair of upper joints 13 and two sets of supporting frames, two ends of each set of supporting frame are respectively connected with the pair of upper joints 13, at least one set of supporting frame of the two sets of supporting frames can rotate relative to the upper joints 13, so that the included angle between the two sets of supporting frames is variable, so as to realize the opening and closing of the upper supporting component, when the infant nursing table bracket is opened to the using position, the included angle between the two sets of supporting frames is the largest, and when the infant nursing table bracket is closed to the closing state, the included angle between the two sets of supporting frames is the smallest and is close to 0 degree, when in use, the tops of the two sets of supporting frames of the infant nursing table bracket are sleeved with an infant nursing table top, because the elasticity of the material for manufacturing the table top is limited, when the included angle between the two sets of supporting frames reaches the maximum, the table top is completely unfolded, and at the moment, the table top has a limiting effect on the two groups of supporting frames, so that the supporting frames which can rotate relative to the upper joint 13 are prevented from further rotating towards the direction far away from the other group of supporting frames, and the included angle between the two groups of supporting frames is prevented from further increasing.

The lower supporting component comprises a pair of lower joints 21, two sets of bottom supports and an angle limiting mechanism, two top ends of each set of bottom supports are respectively connected with the pair of lower joints 21, the lower joints 21 are respectively rotatably connected with the upper joints 13 arranged on the same side of the lower joints, at least one set of bottom supports in the two sets of bottom supports can rotate relative to the lower joints 21 so as to realize the opening and closing of the lower supporting component, when the baby nursing platform support is opened to a use state (as shown in figure 1), the included angle between the two sets of bottom supports is the largest, at the moment, the angle limiting mechanism acts on the two sets of bottom supports to limit the maximum included angle between the two sets of bottom supports and prevent the included angle between the two sets of bottom supports from being further increased, thereby improving the stability of the baby nursing platform support, and when the baby nursing platform support is closed to a closing state (as shown in figures 3A and 3B), the included angle between the two groups of support frames is the smallest and is close to 0 degree, meanwhile, the pair of lower joints 21 corresponding to the pair of upper joints 13 rotate, so that the two groups of support frames are driven to rotate towards the directions of the two groups of bottom supports and gradually approach the two groups of bottom supports, the support frames and the bottom supports are folded relative to the joints between the upper joints and the lower joints, the folding and the folding of the baby nursing table supports are further realized, and at the moment, the included angle between the support frames and the bottom supports is close to 0 degree.

In a specific embodiment of the lower support assembly, the angle limiting mechanism is a flexible belt body, and both ends of the flexible belt body are respectively fixed to the corresponding positions of the two sets of bottom supports, when the baby nursing platform support is opened to the use position, the flexible belt body is in a tight state and cannot be further elongated, so that the angle between the two sets of bottom supports is further increased.

The support folding assembly is used for keeping the opened baby nursing table support in a use state.

In an embodiment of the support folding assembly, the support folding assembly is a pair of lateral connecting pieces rotatably disposed on two side rods of one of the supporting frames, the other ends of the lateral connecting pieces, which are not connected to the side rods, are provided with positioning slots, and the support leg tubes of the bottom supports adjacent to the supporting frames are provided with positioning screws engaged with the positioning slots.

Further, as shown in fig. 1, 3A and 3B, it shows a preferred embodiment of the support folding assembly of the present invention, wherein the support folding assembly includes a folding sliding sleeve 31, a sliding sleeve limiting mechanism and a first folding connecting piece 32, the folding sliding sleeve 31 is sleeved on the support leg 22 of one of the bottom supports and can slide up and down along the support leg 22, one end of the first folding connecting piece 32 is rotatably connected to the folding sliding sleeve 31, and the other end thereof is rotatably connected to a set of supporting frames adjacent to the support leg 22, when the infant nursing platform support is opened, the folding sliding sleeve 31 is driven by the first folding connecting piece 32 to slide up to a limit position near the top of the support leg 22, so that the infant nursing platform support is opened to a use state (as shown in fig. 1), meanwhile, the sliding sleeve limiting mechanism limits the folding sliding sleeve 31, so that the folding sliding sleeve is prevented from sliding downwards in the use process of the baby nursing table bracket and is always kept in an open state; when the baby nursing platform support needs to be folded, the sliding sleeve limiting mechanism is firstly released, the upper supporting component and the lower supporting component are folded, and at the moment, the folding sliding sleeve 31 slides downwards under the pushing of the first folding connecting sheet 32 until the folding action is finished.

It should be noted that the extreme position of the foldable sliding sleeve 31 sliding upwards mentioned in the description of the utility model is the position of the foldable sliding sleeve 31 when the baby nursing platform bracket is opened to the use state (as shown in fig. 1); the extreme position of the foldable sliding sleeve 31 sliding downward mentioned in the description of the present invention is the position of the foldable sliding sleeve 31 when the baby nursing platform support is folded to the folded state (as shown in fig. 3A and 3B).

Further, a limiting flange is arranged at a position where the top of the support leg tube 22 sleeved with the folding sliding sleeve 31 is connected with the lower joint, and the diameter of the limiting flange is larger than that of the support leg tube 22, so as to limit the limit position of the folding sliding sleeve 31 in upward sliding.

As shown in fig. 1, 3A and 3B, in a preferred embodiment of the infant care table support of the present invention, the two groups of supporting frames are a first supporting frame 11 and a second supporting frame 12 which are both shaped like Jiong, the first supporting frame and the second supporting frame respectively comprise a pair of side rods and a top rod respectively connected with the side rods, both ends of the first and second supporting frames (i.e. one end of a pair of side rods of the first and second supporting frames which is not connected with the top rod) are respectively connected with an upper joint 13 arranged at the same side, wherein the first support frame 11 can rotate relative to the pair of upper joints 13, and the second support frame 12 is always kept in a fixed state relative to the pair of upper joints 13, when the first support frame 11 rotates relative to the upper joint 13, the included angle between the first support frame 11 and the second support frame 12 increases or decreases.

Furthermore, the bottom bracket includes a pair of bracket leg tubes 22 and a supporting beam 23 arranged in an H-shape, the two groups of bottom brackets are respectively a first bottom bracket 24 and a second bottom bracket 25, the top ends of the four bracket leg tubes 22 are respectively connected with lower joints 21 arranged on the same side, the first bottom bracket 24 can rotate relative to the pair of lower joints 21, the second bottom bracket 25 is always kept in a fixed state relative to the pair of lower joints 21, when the first bottom bracket 24 rotates relative to the lower joints 21, an included angle between the first bottom bracket 24 and the second bottom bracket 25 is increased or decreased, and when the pair of upper joints 13 rotates relative to the pair of lower joints 21, an included angle between the second supporting frame 12 and the second bottom bracket 24 is increased or decreased. The folding sliding sleeve 31 is sleeved on the support leg 22 of the second bottom support 25, and the other end of the first folding connecting piece 32 is pivoted with the side lever on the same side of the second support frame 12 adjacent to the support leg of the second bottom support 25. When the baby care platform support in the folded state needs to be opened, the upper support assembly rotates and opens relative to the lower support assembly from the folded and folded state (as shown in fig. 3A and 3B), at this time, the folding sliding sleeve 31 is driven by the first folding connecting piece 32 to slide upwards to the limit position close to the top of the support leg 22 of the second bottom support, so that the baby care platform support is opened to the use state, at this time, because the folding sliding sleeve 31 is fixed under the limit action of the sliding sleeve limiting mechanism, the second support frame 12 connected with the first folding connecting piece 32 also remains fixed relative to the second bottom support 25, and because the second support frame 12 is fixed relative to the upper joint 13 and the second bottom support 23 is fixed relative to the lower joint 21, at this time, the upper joint 13 and the lower joint 21 remain fixed, thereby maintaining the baby care stand support in a use state (as shown in fig. 1) at all times.

further, in order to make the folding, folding and unfolding operations of the infant nursing table support more convenient, in an preferred embodiment of the present invention, a linkage is disposed between the first and second supporting frames 11 and 12, as shown in fig. 1, the linkage includes a first linkage plate 141 and a second linkage plate 142 connected by a pivot, a stop plate 143 is disposed at an upper edge of one end of the second linkage plate 142 connected to the first linkage plate 141, and the other ends of the first linkage plate 141 and the second linkage plate 142 are respectively pivoted to the first supporting frame 11 and the second supporting frame 12. As shown in fig. 3A and 3B, when the baby care stand support in the folded state needs to be opened, the first support 11 located at the outer side is firstly opened outwards, when the first support 11 rotates to a certain position, the linking member drives the second support frame to rotate outwards and upwards together, when the baby care stand support is completely opened to the use state, the first linking piece 141 and the second linking piece 142 are collinear (the included angle between the two is 180 °), at this time, the upper edge of the first linking piece 141 contacts with the stopping piece 143, and the stopping piece 143 is used for preventing the first linking piece 141 and the second linking piece 142 from further rotating; when the baby nursing table support needs to be folded, the included angle between the first linking piece 141 and the second linking piece 142 is synchronously reduced along with the reduction of the included angle between the first supporting frame and the second supporting frame, and the folding of the upper supporting assembly is not affected.

Further preferably, a connection point of the second linking sheet 142 and the second support frame 12 is in common with a connection point of the first folding connection sheet 32 and the second support frame 12.

In an alternative embodiment of the linkage member, the linkage member may be replaced by a flexible belt, and two ends of the flexible belt are respectively fixed to the corresponding positions of the first and second support frames.

As shown in fig. 1, the angle limiting mechanism can be designed as a second foldable connecting piece 33, one end of the second foldable connecting piece 33 is rotatably connected to the foldable sliding sleeve 31, and the other end thereof is pivotally connected to the bracket pin of the first bottom bracket 24. When the infant nursing table support is opened, the folding sliding sleeve 31 is driven by the first folding connecting piece 32 to slide upwards, and simultaneously, the folding sliding sleeve 31 pushes the second folding connecting piece 33 outwards, so that the first bottom support 24 is driven by the second folding connecting piece 33 to open outwards synchronously, when the folding sliding sleeve 31 slides upwards to the limit position close to the top of the support leg 22, the first bottom support 24 can also be opened to the limit position, and at the moment, the included angle between the first support frame and the second support frame is the largest. At this time, because the folding sliding sleeve 31 is fixed under the limiting action of the sliding sleeve limiting mechanism, the first bottom bracket 24 connected with the second folding connecting sheet 33 is also fixed relative to the second bottom bracket 25, so as to limit the maximum included angle between the first and second bottom brackets, prevent the included angle between the first and second bottom brackets from further increasing, and improve the stability of the infant nursing table bracket of the utility model; when the baby nursing platform support needs to be folded, the sliding sleeve limiting mechanism is firstly released, the upper supporting component and the lower supporting component are folded, at the moment, the folding sliding sleeve 31 slides downwards under the pushing of the first folding connecting sheet 32, and meanwhile, the folding sliding sleeve 31 pulls back the second folding connecting sheet 33, so that the first bottom support 24 is synchronously folded under the driving of the second folding connecting sheet 33 until being folded together with the second bottom support 25.

in a preferred embodiment of the infant nursing table support, in order to facilitate the practical operation of the user, the sliding sleeve limiting mechanism is designed as a sliding sleeve limiting mechanism with an automatic locking limiting function, and the sliding sleeve limiting mechanism can automatically complete the limiting locking of the sliding sleeve 31 when the support foot tube 22 slides upwards to the limiting position, without manual operation.

Specifically, as shown in fig. 6A and 6B, in a preferred embodiment of the sliding sleeve limiting mechanism, the sliding sleeve limiting mechanism is an elastic limiting block 39 disposed on the support leg tube 22 on which the foldable sliding sleeve 31 is sleeved, the elastic limiting block 39 is disposed near the top end of the support leg tube 22, and corresponds to the limit position of the foldable sliding sleeve 31 sliding upward, the elastic limiting block 39 protrudes out of the surface of the support leg tube 22, a portion of the elastic limiting block 39 protruding out of the surface of the support leg tube 22 has a lower inclined surface 391 and an upper limiting end surface 392, and meanwhile, the elastic limiting block 39 can be retracted into the support leg tube 22 by an external force, and once the external force is removed, the elastic limiting block 39 can be restored to the position protruding out of the surface of the support leg tube 22. In practical application, when the foldable sliding sleeve 31 slides upwards along the leg tube 22, the upper edge of the foldable sliding sleeve 31 contacts with the inclined plane 391 of the elastic limiting block 39, in the process that the folding sliding sleeve 31 continuously slides upwards, the upper edge of the folding sliding sleeve 31 continuously presses the elastic limit block 39, so that the elastic limit block gradually retracts into the support leg tube 22, and when the folding sliding sleeve 31 moves upwards to the limit position, it passes completely over the elastic limit stop 39, the force acting on the elastic limit stop 39 is eliminated, the elastic stopper 39 springs back instantly to protrude again from the surface of the leg tube 22, and at this time, the lower edge of the foldable sliding sleeve 31 contacts with the limiting end surface 392 of the elastic limiting block 39, and the limiting end surface 392 is free from the downward sliding of the foldable sliding sleeve 31. When the baby nursing table support needs to be folded again, the elastic limiting block 39 is pressed by an actual operator in a bare-handed mode to be retracted into the support foot tube 22, and then the folding sliding sleeve 31 can be released and can freely slide down.

In the above preferred embodiment, as shown in fig. 3B, the number of the folding sliding sleeves 31 is 2, the folding sliding sleeves 31 are respectively sleeved on the pair of support leg tubes 22 of the first bottom support 24, 2 of the folding sliding sleeves 31 are connected by the synchronous connecting rod 34, and 2 of the folding sliding sleeves 31 slide upward/upward synchronously.

As shown in fig. 1 and 3A, it shows another preferred embodiment of the sliding sleeve limiting mechanism of the present invention, in this embodiment, the number of the folding sliding sleeves 31 is 2, which are respectively sleeved on the pair of support leg tubes 22 of the first bottom support 24, a positioning hole 221 is opened on the inner side of each support leg tube 22, the positioning hole 211 is close to the top end of the support leg tube 22, which corresponds to the limit position of the upward sliding of the folding sliding sleeve 31, 2 folding sliding sleeves 31 are connected by a hollow sliding connection tube 35, the sliding sleeve limiting mechanism includes a pair of folding pulling sleeves 37 sleeved on the middle portion of the sliding connection tube 35 and a pair of folding pulling rods 36 arranged inside the sliding connection tube 35, one end of the folding pulling rods 36 is connected with the folding pulling sleeves 37 arranged on the same side, so that it can reciprocate along the arrangement direction of the sliding connection tube 35 under the driving of the folding pulling sleeves 37, when the retracting pull rod 36 reciprocates, the other end of the retracting pull rod can extend or retract relative to the inner side wall surface of the retracting sliding sleeve 31 arranged at the same side, thus, when the foldable sliding sleeve 31 slides to the position corresponding to the positioning hole 221, the other end of the retracting pull rod can be driven by the retracting pull rod 36 to extend out from the inner side wall surface of the corresponding retracting sliding sleeve 31 and be inserted into the corresponding positioning hole 221, thereby limiting the folding sliding sleeve 31, when the folding sliding sleeve 31 needs to be released, the folding pull sleeve 37 is operated to drive the folding pull rod 36 to move reversely, so that the other end of the retracting pull rod retracts from the positioning hole 221 and retracts back into the inner sidewall of the corresponding retracting sliding sleeve 31, and the retracting sliding sleeve 31 is released to slide freely again.

Further, in the above embodiment, in order to maintain the stationary state of the retracting tie rod 36 in the sliding connection tube 35 within a certain period of time and avoid affecting the state of the retracting sliding sleeve 31, a sliding slot 351 is formed on a side wall of the sliding connection tube 35, two ends of the sliding slot 351 are provided with a limit slot 352 perpendicular to the sliding slot 351, the retracting tie sleeve 37 is connected with one end of the corresponding retracting tie rod 36 through a stud penetrating through the sliding slot 351, and when the stud slides into the limit slot 352, the retracting tie rod 36 cannot move along the direction of the sliding connection tube 35.

In view of the practical operation of the user, the sliding sleeve limiting mechanism further includes an elastic member 38 disposed inside the sliding connection tube 35, two ends of the elastic member 38 respectively abut against one end of the pair of retracting pull rods 36 connected to the retracting pull sleeves 37, when the pair of retracting pull rods 36 move towards each other under the action of the retracting pull sleeves 37, the elastic member 38 is compressed, so as to generate a reaction force acting on the pair of retracting pull rods 36, at this time, once the retracting sliding sleeve 31 slides to a position corresponding to the positioning hole 221, the reaction force drives the pair of retracting pull rods 36 to move towards opposite directions, so that the retracting pull rods extend from the inner side wall surface of the corresponding retracting sliding sleeve 31 and are inserted into the corresponding positioning hole 221, thereby automatically limiting the retracting sliding sleeve 31; when the folding sliding sleeve 31 needs to be released again, the operator only needs to drive the pair of folding pull sleeves 37 in opposite directions (the operator only needs to pinch the pair of folding pull sleeves 37 in the direction indicated by the arrow in fig. 1 by one hand), so as to drive the pair of folding pull rods 36 to move in opposite directions, so that the other ends of the folding pull rods retract from the positioning holes 221 and retract into the inner side wall surface of the corresponding folding sliding sleeve 31 again, and the folding sliding sleeve 31 is released to slide freely again.

further, in order to keep the baby nursing platform support in the folded state always in the folded state and facilitate carrying, the inner sides of the two ends of each sheath with the support leg tube 22 are respectively provided with the positioning holes 221, and the positions of the positioning holes 221 respectively correspond to the limit positions of the retracting sliding sleeves 31 sliding upwards and downwards on the support leg tube 22.

Further, as shown in fig. 2A, in order to facilitate storage by an actual user, for example, a first side bracket 15 shaped like Jiong is disposed at a position close to the top of the first support frame 11, a width of the first side bracket 15 corresponds to a width of the first support frame 11, the first side bracket 15 is capable of being accommodated inside the first support frame 11, a pair of side bracket connection pieces 16 is further disposed between the first support frame 11 and the first side bracket 15, one end of each side bracket connection piece 16 is rotatably connected to a side rod disposed at the same side, and the other end of each side bracket connection piece 16 is connected to the first side bracket 15 to limit a rotation angle of the first side bracket 15 relative to the first support frame 11.

As shown in fig. 2A and 2B, which illustrate a preferred embodiment of the side bracket connecting piece 16 of the present invention, wherein a long through hole 161 is opened in the middle of the side bracket connecting piece 16, side bracket connecting screws 151 are respectively disposed on both sides of the first side bracket 15, the side bracket connecting screws 151 pass through the long through hole 161 and can move along the extending direction of the long through hole 161, as shown in fig. 2, when the first side bracket 15 is opened relative to the first supporting frame 11, the side bracket connecting screws 151 gradually slide downward along the extending direction of the long through hole 161 until the bottom of the long through hole 161, so as to limit the first side bracket 15 from further opening relative to the first supporting frame 11.

Alternatively, the other end of the side bracket connecting piece 16 is provided with a positioning slot, and two sides of the first side bracket 15 are respectively provided with a positioning screw matched with the positioning slot, when the first side bracket 15 is opened to a preset position relative to the first supporting frame 11, the side bracket connecting piece 16 is rotated to be buckled on the positioning screw, so that the first side bracket 15 is limited from being further opened relative to the first supporting frame 11.

further, for the convenience of the utility model baby nursing platform support is in the removal under the user state, the bottom of bottom support still further is provided with the gyro wheel of lockable.

Baby nursing platform, including baby nursing platform mesa and as above baby nursing platform support, baby nursing platform mesa cover is located the top of two sets of carriage of baby nursing platform support.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims (12)

1. a baby nursing platform bracket is characterized by comprising an upper supporting component, a lower supporting component and a bracket folding component, wherein,

the upper supporting assembly comprises a pair of upper joints (13) and two groups of supporting frames, two ends of each supporting frame are respectively connected with the pair of upper joints (13), and at least one group of supporting frames in the two groups of supporting frames can rotate relative to the upper joints (13);

The lower supporting component can be folded or unfolded relative to the upper supporting component and comprises a pair of lower joints (21), two groups of bottom supports and an angle limiting mechanism, two top ends of each group of bottom supports are respectively connected with the pair of lower joints (21), the lower joints (21) are respectively rotatably connected with upper joints (13) arranged on the same side of the lower joints, at least one group of bottom supports in the two groups of bottom supports can rotate relative to the lower joints (21), and the angle limiting mechanism is used for limiting the maximum included angle between the two groups of bottom supports;

The support folding assembly is used for keeping the baby nursing table support in a use state.

2. The infant nursing platform frame according to claim 1, wherein the frame folding assembly includes a folding sliding sleeve (31), a sliding sleeve limiting mechanism and a first folding connecting piece (32), the folding sliding sleeve (31) is sleeved on the frame leg (22) of one of the bottom frames and can slide up and down along the frame leg (22), one end of the first folding connecting piece (32) is rotatably connected to the folding sliding sleeve (31), and the other end thereof is rotatably connected to a supporting frame adjacent to the frame leg (22), when the infant nursing platform frame is opened, the folding sliding sleeve (31) is driven by the first folding connecting piece (32) to slide up to a limit position, and the sliding sleeve limiting mechanism limits the position.

3. The infant nursing table support according to claim 2, wherein the two sets of supporting frames are a first supporting frame (11) and a second supporting frame (12), the two ends of the first and second supporting frames are respectively connected with the upper joints (13) arranged on the same side, and the first supporting frame (11) can rotate relative to the pair of upper joints (13); a linkage piece is arranged between the first support frame and the second support frame, and two ends of the linkage piece are respectively arranged on the first support frame and the second support frame; furthermore, the linkage member includes a first linkage plate (141) and a second linkage plate (142) which are connected by a pivot, the upper edge of one end of the second linkage plate (142) connected with the first linkage plate (141) is provided with a stop piece (143), and the other ends of the first linkage plate (141) and the second linkage plate (142) are respectively pivoted with the first support frame (11) and the second support frame (12).

4. The infant nursing platform frame of claim 3, wherein the bottom frame includes a pair of frame legs (22) and a support beam (23) arranged in an H-shape, the two sets of bottom frames are respectively a first bottom frame (24) and a second bottom frame (25), the top ends of the four frame legs (22) are respectively connected to lower joints (21) arranged at the same side, the first bottom frame (24) can rotate relative to the pair of lower joints (21), the foldable sliding sleeve (31) is sleeved on the frame legs of the second bottom frame (25), and the other end of the first foldable connecting piece (32) is pivotally connected to the second support frame (12) adjacent to the frame legs of the second bottom frame (25).

5. the baby care platform support according to claim 4, characterized in that the angle limiting mechanism is a second folding connecting piece (33), one end of the second folding connecting piece (33) is rotatably connected with the folding sliding sleeve (31), and the other end thereof is connected with the support pin of the first bottom support (24) through a pivot.

6. The infant nursing table support according to claim 4 or 5, wherein the sliding sleeve limiting mechanism is an elastic limiting block (39) disposed on the support leg tube (22) sleeved with the retracting sliding sleeve (31), the elastic limiting block (39) protrudes out of the surface of the support leg tube (22), the elastic limiting block (39) can retract into the support leg tube (22) under the action of external force, when the applied external force is removed, the elastic limiting block (39) can recover to the position protruding out of the surface of the support leg tube (22), and the elastic limiting block (39) has a slope (391) disposed at the lower portion and a limiting end surface (392) disposed at the upper portion.

7. The infant nursing platform frame according to claim 4 or 5, wherein the number of the foldable sliding sleeves (31) is 2, and the foldable sliding sleeves are respectively sleeved on the pair of frame leg tubes (22) of the first bottom frame (24), 2 of the foldable sliding sleeves (31) are connected by a synchronous connecting rod (34), and 2 of the foldable sliding sleeves (31) slide upwards/upwards synchronously.

8. The infant nursing platform frame according to claim 4 or 5, wherein the number of the retracting sliding sleeves (31) is 2, the retracting sliding sleeves are respectively sleeved on the pair of frame leg tubes (22) of the first bottom frame (24), a positioning hole (221) is formed inside each frame leg tube (22), 2 of the retracting sliding sleeves (31) are connected by a hollow sliding connection tube (35), the sliding sleeve limiting mechanism comprises a pair of retracting pulling sleeves (37) sleeved in the middle of the sliding connection tube (35) and a pair of retracting pulling rods (36) arranged inside the sliding connection tube (35), one end of each retracting pulling rod (36) is connected with the retracting pulling sleeve (37) arranged on the same side, and is driven by the retracting pulling sleeve (37) to reciprocate along the arrangement direction of the sliding connection tube (35), when the retracting sliding sleeve (31) slides to a position corresponding to the positioning hole (221), the other end of the folding pull rod can extend out of the inner side wall surface of the corresponding folding sliding sleeve (31) and is inserted into the corresponding positioning hole (221), so that the folding sliding sleeve (31) is limited.

9. The nursing platform frame as claimed in claim 8, wherein the sliding sleeve limiting mechanism further comprises an elastic member (38) disposed inside the sliding connection tube (35), when the pair of foldable pulling rods (36) are moved towards each other by the foldable pulling sleeve (37), the elastic member (38) generates a reverse force acting on the pair of foldable pulling rods (36), and once the foldable sliding sleeve (31) slides to a position corresponding to the positioning hole (221), the reverse force drives the pair of foldable pulling rods (36) to move towards opposite directions so as to be inserted into the corresponding positioning hole (221).

10. The nursing platform frame as defined in claim 9, wherein the positioning holes (221) are respectively opened at the inner sides of the two ends of each sheath with the frame leg tube (22), the positions of the positioning holes (221) respectively correspond to the extreme positions of the foldable sliding sleeves (31) sliding upwards and downwards on the frame leg tube (22).

11. The nursing platform support as claimed in claim 3, wherein the first support frame (11) is provided with a first side bracket (15) near the top, the width of the first side bracket (15) corresponds to the width of the first support frame (11), both ends of the first side bracket (15) are pivotally connected to both side bars of the first support frame (11) by pivots, and a side bracket connecting piece (16) which rotates relative to the side bars is further provided between the first support frame (11) and the first side bracket (15) to limit the rotation angle of the first side bracket (15) relative to the first support frame (11); the bottom of bottom support is provided with the gyro wheel of lockable.

12. A baby care table comprising a baby care table top and a baby care table support of any one of claims 1-11, the baby care table top nested atop two sets of support frames of the baby care table support.