Crib rail assembly, crib base frame assembly, and crib

Abstract

The present application discloses a crib rail assembly, a crib base frame assembly, and a crib. The crib rail assembly comprises a locking frame, an inner plug, a button, a first rail member, and a second rail member. A locking slot of the locking frame is provided with a longitudinal opening and two transverse openings, and the locking frame is provided with two symmetrically and obliquely distributed locking pin slots. The inner plug is embedded in the locking slot, mounting blocks are symmetrically arranged in a movable slot of the inner plug, and the two mounting blocks are connected to locking pins on two sides by means of elastic members. The first rail member and the second rail member are inserted into the movable slot from the two transverse openings, are respectively hingedly connected to the locking frame by means of hinge shafts, and are respectively provided with a driving slot matched with the two locking pins, and the upper wall of each driving slot is provided with a clearance notch. The button is inserted into the locking slot from the longitudinal opening, and is provided with driving inclined surfaces matched with the two locking pins, so that the locking pins can be driven to be separated from the driving slots from the clearance notches; and the button is elastically connected to the locking frame, thereby facilitating folding and use, and achieving good overall structural stability.

Description

Crib rail assembly, crib chassis assembly and crib TECHNICAL FIELD

[0001] The utility model relates to baby crib product technical field, especially crib rail assembly, crib chassis assembly and crib. BACKGROUND

[0002] Baby crib generally refers to the bed for baby, its style is various, and the function also has relatively many differences, and when selecting, generally is the principle that safety and practicality are combined. However, at present, although part of baby crib is practical, but there is certain hidden danger in safety, and still needs to occupy larger storage space after folding.

[0003] For example, patent application No. CN201510744808.5 provides a folding crib, which comprises a bed leg, a bed plate and a fence. The bed leg comprises a front bed leg and a rear bed leg, and the bed plate comprises a front bed plate and a rear bed plate. The front bed plate and the rear bed plate are hingedly connected and can be folded. The fence comprises front and rear fences and two side fences. A cavity is arranged in the front bed plate, and the two side fences can be respectively received in the cavity of the front bed plate. The front and rear fences can be respectively integrated with the front and rear bed legs and stored at the bottom of the front and rear bed plates. After the front and rear bed plates are folded, a suitcase type structure is formed.

[0004] The folding crib has a simple structure in the fence part, and is folded and unfolded directly in a hinged manner. The structure has low strength, and the hinge part is prone to damage after frequent use. The front bed plate and the rear bed plate are connected with the front bed leg and the rear bed leg through inclined ribs, and there is no chassis to form a complete and comprehensive structural connection relationship at the bottom of the crib. The structure has poor stability, and has great safety hazards for lively and active children.

[0005] Utility model content

[0006] The crib rail assembly, the crib chassis assembly and the crib provided by the application have the advantages of convenient folding and use, good overall structural stability, safe use and long service life.

[0007] The first aspect of the application provides a crib rail assembly, which comprises a locking frame, an inner plug, a button, a first fence piece and a second fence piece. The locking frame has a locking groove, the locking groove has a longitudinal opening and two transverse openings symmetrically distributed on both sides of the longitudinal opening, the locking frame is provided with two locking pin grooves, the two locking pin grooves are symmetrically inclined with respect to the center line of the longitudinal opening, and the inclination direction is that the distance between the end far from the transverse opening and the other end gradually approaches the longitudinal opening, and the locking pin groove is embedded with a locking pin.

[0008] The inner plug is embedded in the locking slot and located between the two locking pin slots, the inner plug has a movable slot, the opening direction of the movable slot is the same as the opening direction of the locking slot, the movable slot is symmetrically provided with mounting blocks relative to the center line of the longitudinal opening, and the two mounting blocks are connected to the two locking pins on the two sides through elastic members respectively;

[0009] The first fence member and the second fence member are respectively inserted into the movable slot at the two transverse openings, are hingedly connected through the hinge shaft and the locking frame respectively, and are respectively provided with driving grooves matched with the two locking pins, the extension direction of the driving grooves is the same as the extension direction of the locking pin slots, the upper groove wall of the driving groove is provided with an avoiding gap, and the hinge shaft is located outside the driving groove.

[0010] The button is inserted into the locking slot at the longitudinal opening, is provided with driving inclined surfaces matched with the two locking pins, and can drive the locking pins in a directional manner to make the locking pins disengage from the driving groove at the avoiding gap, and the button and the locking frame are elastically connected.

[0011] In a possible implementation, the locking frame is provided with a guide groove at the center line opposite to the longitudinal opening, the guide groove vertically penetrates the two groove walls of the locking slot, the inner plug is provided with a guide gap at the guide groove, the guide groove is provided with a guide member, the guide member is connected with a linkage member at the two ends of the first fence member and the second fence member, the two linkage members are respectively hingedly connected with the first fence member and the second fence member at the ends away from the guide member, the positioning shaft is located between the driving groove and the hinge shaft and is away from the longitudinal opening relative to the hinge shaft, and the linkage member is configured to: when the driving inclined surface drives the locking pin away from the groove bottom of the driving groove, the outer end of the first fence member and the second fence member moves in a direction away from the longitudinal opening, and the inner end of the first fence member and the second fence member moves along the guide groove in a direction close to the longitudinal opening along with the guide member.

[0012] In a possible implementation, the button comprises a pressing portion and two driving portions symmetrically arranged on the same side of the pressing portion, the driving portions are respectively clamped on the two sides of the first fence member and the second fence member, the driving inclined surfaces are located at the ends of the driving portions away from the pressing portion, the pressing portion is provided with a reset elastic member at the position opposite to the driving portions, one end of the reset elastic member close to the longitudinal opening is abutted against the end of the pressing portion away from the driving portions, the other end of the reset elastic member is connected with the locking frame through a limiting member, the limiting member penetrates the button and the locking frame at the same time, and the reset elastic member extends along the direction of the longitudinal opening.

[0013] In a possible implementation, the pressing part is provided with at least two guide ribs in parallel along the direction of the longitudinal opening, and the locking frame is provided with guide notches matched with the guide ribs at one end close to the longitudinal opening.

[0014] The second aspect of the embodiment of the application provides a crib base assembly, comprising a base and four base connecting pieces, wherein the base has a sliding cavity, the base is provided with a base slider capable of directional sliding in the sliding cavity, the base slider is provided with a wedge-shaped slot, and two base locking pins are symmetrically arranged in the wedge-shaped slot on both sides of the sliding direction of the base slider, the two base locking pins are elastically connected, and the wedge-shaped slot is configured to: when the base slider moves in a predetermined direction, the two base locking pins are driven to move close to each other, and when the base slider moves in the opposite direction, the two base locking pins are driven to move away from each other based on the rebound effect.

[0015] One end of each of the four base connecting pieces is symmetrically embedded into the sliding cavity and is hingedly connected to the base through a base rotating shaft, and the other end of each of the four base connecting pieces is used for connecting four columns of the crib, the one end of each of the four base connecting pieces in the sliding cavity is correspondingly provided with intermeshing gears, the four base connecting pieces are defined as a first connecting piece, a second connecting piece, a third connecting piece and a fourth connecting piece, wherein the gears on the first connecting piece and the second connecting piece intermesh, the gears on the third connecting piece and the fourth connecting piece intermesh, and the first connecting piece and the third connecting piece or the second connecting piece and the fourth connecting piece are respectively provided with locking grooves matched with the base locking pins, so that the two base locking pins can be inserted into the locking grooves when moving away from each other and can be separated from the locking grooves when moving close to each other.

[0016] In a possible implementation, the sliding cavity is provided with a sliding opening, the sliding opening is fixedly provided with a base cover plate, the base cover plate is provided with a position-avoiding hole, and the base slider is provided with a slider handle matched with the position-avoiding hole.

[0017] In a possible implementation, the crib base assembly further comprises four reinforcing connecting pieces, the four reinforcing connecting pieces are respectively located below the four base connecting pieces, one end of each of the four reinforcing connecting pieces is hingedly connected to the base, and the other end of each of the four reinforcing connecting pieces is hingedly connected to the column.

[0018] The third aspect of the embodiments of the present application provides a crib, comprising four uprights, a crib fence assembly as described above, and a crib chassis assembly as described above, wherein the four uprights extend in parallel and are arranged in a virtual quadrilateral in the transverse direction, and the crib fence assembly and the crib chassis assembly are connected to the two ends of the four uprights respectively.

[0019] In a possible implementation, the locking frame is provided with a guide groove at the center line opposite to the longitudinal opening, the guide groove vertically penetrates the two groove walls of the locking groove, the inner plug is provided with a guide notch opposite to the guide groove, the guide groove is provided with a guide piece, the guide piece is connected with a linkage at the two ends of the first fence piece and the second fence piece, the two linkages are connected with the first fence piece and the second fence piece through positioning shafts at the ends away from the guide piece, the positioning shafts are located between the driving groove and the hinge shaft and are away from the longitudinal opening relative to the hinge shaft, and the linkage is configured to move the outer ends of the first fence piece and the second fence piece in the direction away from the longitudinal opening when the driving slope drives the locking pin away from the groove bottom of the driving groove, and the inner ends of the first fence piece and the second fence piece move along the guide piece in the guide groove in the direction close to the longitudinal opening.

[0020] In a possible implementation, the crib chassis assembly further comprises four reinforcing connectors, the four reinforcing connectors are located below the four chassis connectors respectively, one end of each of the four reinforcing connectors is hinged to the base, and the other end is hinged to the upright.

[0021] Advantages: compared with the prior art, the crib fence assembly, the crib chassis assembly and the crib provided by the present application are unlocked in sequence during folding, the base slider is lifted to be unlocked, and the crib is folded, during opening, the base slider is pressed down by a certain distance, the fence is fully opened, and the base slider is continuously pressed down to smoothly open the crib, and the crib is not prone to jamming during folding and opening, and is convenient to use, the first fence piece and the second fence piece are directionally moved to be folded or unfolded by the cooperation of the locking frame, the inner plug and the button to directionally move the locking pin to be unlocked and locked, the operation is smooth, the structure is more stable and has high fatigue resistance compared with the conventional hinge type connection structure, the base and the chassis connector can form a firm connection relationship between the four uprights at the bottom of the crib, so that the overall structure of the crib is more stable, the four chassis connectors are unlocked or locked by the directional movement of the base slider in the base, and the chassis connectors are directionally moved to be folded or unfolded by the meshing relationship between the chassis connectors, so that the operation process is smooth and is not prone to jamming or skewing.

[0022] These and other objects, features and advantages of the present application will become apparent with reference to the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 shows a structural schematic diagram of the baby crib fence assembly of the present application.

[0024] Fig. 2 shows a partial structural schematic diagram of the baby crib fence assembly of the present application.

[0025] Fig. 3 shows a partial structural schematic diagram of the baby crib fence assembly of the present application.

[0026] Fig. 4 shows an exploded structural schematic diagram of the baby crib fence assembly of the present application.

[0027] Fig. 5 shows a sectional structural schematic diagram of the inner plug of the present application.

[0028] Fig. 6 shows a structural schematic diagram of the baby crib chassis assembly of the present application.

[0029] Fig. 7 shows an exploded structural schematic diagram of the baby crib chassis assembly of the present application.

[0030] Fig. 8 shows an enlarged structural schematic diagram of part A of Fig. 7 of the present application.

[0031] Fig. 9 shows a structural schematic diagram of the baby crib of the present application.

[0032] Fig. 10 shows a half-folded state schematic diagram of the baby crib of the present application.

[0033] Wherein, 100 - stand, 200 - baby crib fence assembly, 300 - baby crib chassis assembly, 10 - locking frame, 101 - locking slot, 102 - longitudinal opening, 103 - lock pin slot, 104 - guide slot, 105 - guide notch, 11 - lock pin, 12 - guide, 13 - linkage, 14 - positioning shaft, 20 - inner plug, 201 - movable slot, 202 - guide notch, 21 - mounting block, 22 - elastic member, 30 - button, 31 - driving slope, 32 - pressing portion, 33 - driving portion, 34 - reset elastic member, 35 - guide rib, 40 - first fence member, 41 - hinged shaft, 401 - driving slot, 402 - avoidance notch, 50 - second fence member, 60 - base, 601 - wedge-shaped slot, 602 - avoidance hole, 61 - base sliding block, 611 - sliding block handle, 62 - base lock pin, 63 - base cover plate, 70 - chassis connecting member, 701 - locking slot, 71 - base rotating shaft, 711 - first connecting member, 712 - second connecting member, 713 - third connecting member, 714 - fourth connecting member, 72 - gear, 80 - reinforcing connecting member. DETAILED DESCRIPTION

[0034] The following description is used to disclose the present application so that those skilled in the art can implement the present application. The preferred embodiments in the following description are only examples, and other obvious modifications can be thought by those skilled in the art. The basic principles of the present application defined in the following description can be applied to other embodiments, modifications, improvements, equivalents and other technical solutions without departing from the spirit and scope of the present application.

[0035] Those skilled in the art should understand that in the disclosure of the specification, the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the above terms cannot be understood as a limitation of the present application.

[0036] It can be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of one element can be one, and in another embodiment, the number of the element can be multiple, and the term "one" cannot be understood as a limitation on the number.

[0037] Referring to FIGS. 1-5, the first aspect of the present application provides a baby crib fence assembly 200, comprising a locking frame 10, an inner plug 20, a button 30, a first fence piece 40 and a second fence piece 50, wherein the locking frame 10 has a locking slot 101, and the locking slot 101 has a longitudinal opening 102 and two transverse openings symmetrically distributed on both sides of the longitudinal opening 102, wherein the longitudinal opening 102 is located directly below, and the two transverse openings are respectively located on the left and right sides of the locking frame 10. The locking frame 10 is provided with two locking pin grooves 103, and the two locking pin grooves 103 are symmetrically inclined with respect to the center line of the longitudinal opening 102, that is, symmetrically inclined on the left and right sides of the locking frame 10, and the inclination direction is: gradually approaching the longitudinal opening 10 from one end away from the transverse opening to the other end opposite to it, and the locking pin groove 103 is embedded with a locking pin 11.

[0038] The inner plug 20 is inserted into the locking slot 101 and located between two locking pin slots 103, and the inner plug 20 has a movable slot 201, wherein the opening direction of the movable slot 201 is the same as the opening direction of the locking slot 101, and the movable slot 201 is symmetrically provided with mounting blocks 21 relative to the center line of the longitudinal opening, wherein two mounting blocks 21 are respectively connected to two locking pins 11 through elastic members 22, so that the locking pin 11 can move in the slot-shaped channel formed by the movable slot 201 and the locking pin slot 103 to compress or rebound the elastic member 22.

[0039] The first fence member 40 and the second fence member 50 are respectively inserted into the movable slot 201 at two transverse openings, and are respectively hinged to the locking frame 10 through a hinge shaft 41, and are respectively provided with driving slots 401 matched with two locking pins 11, wherein the extension direction of the driving slot 401 is the same as the extension direction of the locking pin slot 103, and the upper slot wall of the driving slot 401 is provided with a position avoiding notch 402, and the hinge shaft 41 is located outside the driving slot 401, wherein the upper slot wall refers to the slot wall of the driving slot 401 away from the longitudinal opening 102, and the outside of the locking frame 10 refers to the side of the locking frame 10 close to the transverse opening.

[0040] The button 30 is inserted into the locking slot 101 at the longitudinal opening 102, and is provided with a driving inclined surface 31 matched with two locking pins 11, so as to directionally drive the locking pin 11 to make the locking pin 11 disengage from the driving slot 401 at the position avoiding notch 402, and the button 30 and the locking frame 10 are elastically connected.

[0041] Thus, the baby crib fence assembly provided by the present application can drive the lock pin 11 to move along the direction of the drive groove 401 (i.e. the direction of the lock pin groove 103) by pressing the button 30 upward, and when the lock pin 11 moves to the position avoiding the gap 402, the unlocking of the first fence piece 40 and the second fence piece 50 is completed, at this time, the first fence piece 40 and the second fence piece 50 can rotate around the hinge shaft 41 as the rotation axis, and the ends far away from each other can move close to each other in the upper direction (i.e. the direction far away from the longitudinal opening 102) to complete the folding. It should be noted that even after folding, the lock pin 11 is still limited in the lock pin groove 103, and when the button 30 moves reversely to reset, the lock pin 11 moves outward to press the lower groove wall of the drive groove 401 to reset, and drive the first fence piece 40 and the second fence piece 50 to unfold and reset, which is simple to operate, and the first fence piece 40 and the second fence piece 50 are directional during folding and unfolding, and will not tilt outward or inward as in the conventional folding process. In addition, compared with the conventional direct hinge connection mode, the cooperation of the locking frame 10, the inner plug 20 and the button 30 has better locking stability and better structural stability, and is not prone to fatigue damage after long-term use, and has a longer service life.

[0042] In one embodiment, the locking frame 10 is provided with a guide groove 104 at the center line opposite to the longitudinal opening 102, and the guide groove 104 vertically penetrates the two groove walls of the locking groove 101. The inner plug 20 is provided with a guide gap 202 opposite to the guide groove 104. The guide piece 12 is arranged in the guide groove 104, and the two ends of the first fence piece 40 and the second fence piece 50 are connected with a linkage 13 respectively, wherein the two linkage 13 ends away from the guide piece 12 are respectively connected with the first fence piece 40 and the second fence piece 50 through a positioning shaft 14, and the positioning shaft 14 is located between the drive groove 401 and the hinge shaft 41, and is away from the longitudinal opening 102 relative to the hinge shaft 41. In addition, the linkage 13 is configured to: when the drive slope 31 drives the lock pin 11 to move away from the bottom of the drive groove 401, the outer end of the first fence piece 40 and the second fence piece 50 moves away from the longitudinal opening 102, and the inner end of the first fence piece 40 and the second fence piece 50 moves along the guide groove 104 towards the longitudinal opening 102. Thus, the cooperation of the linkage 13, the guide piece 12 and the guide groove 104 can further provide a guiding effect, and when the first fence piece 40 and the second fence piece 50 are folded or unfolded, the movement of the first fence piece 40 and the second fence piece 50 is more stable, and the movement direction is accurate, and the linkage 12 can be a semicircular ring or an arc-shaped buckle.

[0043] In one embodiment, the button 30 comprises a pressing part 32 and two driving parts 33 symmetrically arranged on the same side of the pressing part 32, wherein the driving parts 33 are respectively clamped on both sides of the first fence part 40 and the second fence part 50, and the driving slope 31 is located at one end of the driving part 33 away from the pressing part 32, wherein the pressing part 32 is provided with a reset elastic member 34 opposite to the driving part 33, and one end of the reset elastic member 34 abuts against one end of the pressing part 32 away from the driving part 33, and the other end of the reset elastic member 34 is connected to the locking frame 10 through a limiting member (not shown in the figure), wherein the limiting member penetrates through the button 30 and the locking frame 10 at the same time, and the reset elastic member 34 extends along the direction of the longitudinal opening 102, so as to provide additional elastic assistance through the reset elastic member 34 when the button 30 moves in the opposite direction of the pressing direction, thereby making it more convenient to deploy the fence.

[0044] In the present application, the elastic member 22 and the reset elastic member 34 are both implemented as springs.

[0045] Further preferably, the pressing part 32 is provided with at least two guide ribs 35 in parallel along the direction of the longitudinal opening 102, and the locking frame 10 is provided with a guide notch 105 matched with the guide rib 35 at one end close to the longitudinal opening 102, so as to further provide guide assistance for the first fence part 40 and the second fence part 50 through the cooperation of the guide rib 35 and the guide notch 105. Generally, the guide rib 35 is provided as two, and the two guide ribs 35 are symmetrically distributed relative to the guide groove 104, which is easy to process and has good guide stability.

[0046] The second aspect of the embodiment of the present application provides a baby crib base assembly 300, as shown in FIGS. 6-10, comprising a base 60 and four base connecting members 70, wherein the base 60 has a sliding cavity, and the base 60 is provided with a base sliding block 61 capable of directional sliding in the sliding cavity, wherein the base sliding block 61 is provided with a wedge-shaped groove 601, and the wedge-shaped groove 601 is symmetrically provided with a base locking pin 62 on both sides of the sliding direction of the base sliding block 61, wherein the two base locking pins 62 are elastically connected, and the wedge-shaped groove 601 is configured to: when the base sliding block 61 moves in a predetermined direction (such as upward), the two base locking pins 62 are driven to move close to each other, and when moving in the opposite direction, the two base locking pins 62 are driven to move away from each other based on the rebound effect.

[0047] One end of the four base connecting pieces 70 is symmetrically embedded into the sliding cavity and is hingedly connected to the base 60 through a base rotating shaft 71, while the other end of the four base connecting pieces 70 is respectively used for connecting four stand columns 100 of the baby crib. The end of the base connecting piece 70 in the sliding cavity is correspondingly provided with intermeshing gears 72, while the four base connecting pieces 70 are defined as a first connecting piece 711, a second connecting piece 712, a third connecting piece 713 and a fourth connecting piece 714, wherein the gears 72 on the first connecting piece 711 and the second connecting piece 712 intermesh, and the gears 72 on the third connecting piece 713 and the fourth connecting piece 714 intermesh, in addition, the first connecting piece 711 and the third connecting piece 713 are respectively provided with a locking groove 701 matched with the base locking pin 62, or the second connecting piece 712 and the fourth connecting piece 714 are respectively provided with a locking groove 701 matched with the base locking pin 62, so that when the two base locking pins 62 are away from each other, they can be inserted into the locking groove 701, and when they are close to each other, they can be separated from the locking groove 701, so that the base sliding block 61 can be directly lifted to make the two base locking pins 62 close to each other and separate from the locking groove 701, and the unlocking is completed, at this time, the first connecting piece 711 and the second connecting piece 712 and the third connecting piece 713 and the fourth connecting piece 714 can be folded through the gear meshing relationship, and when the first connecting piece 711 and the second connecting piece 712 and the third connecting piece 713 and the fourth connecting piece 714 rotate in the opposite direction, the two base locking pins 62 will be inserted into the locking groove 701 again under the rebounding action, and the locking of the base is completed. It is convenient to operate, and based on the meshing relationship between them, no matter in the folding process or in the unfolding process, the rotating direction of the four base connecting pieces 70 is fixed, the operation is smooth, the structure is stable, and especially after long-term use, it is not easy to appear the phenomenon of fatigue damage.

[0048] In one embodiment, the top of the sliding cavity is provided with a sliding opening. The sliding opening is fixedly provided with a base cover plate 63, and the base cover plate 63 is provided with an avoiding hole 602, and the base sliding block 61 is provided with a sliding block handle 611 matched with the avoiding hole 602, so that the base sliding block 61 can be limited in the sliding cavity, and the base sliding block 61 can be conveniently lifted through the sliding block handle 611, and it is not easy to separate from the sliding cavity.

[0049] In one embodiment, the crib base assembly 300 further comprises four reinforcing connectors 80, such as connecting rods or connecting tubes, wherein the four reinforcing connectors 80 are respectively located below the four base connectors 70, and one end of each of the four reinforcing connectors 80 is hingedly connected to the base 60, and the other end of each of the four reinforcing connectors 80 is hingedly connected to the upright 100, so as to further improve the structural stability of the crib base, i.e. the structural stability of the crib when it is close to the lower position.

[0050] In one embodiment, the crib base assembly 300 further comprises four reinforcing connectors 80, such as connecting rods or connecting tubes, wherein the four reinforcing connectors 80 are respectively located below the four base connectors 70, and one end of each of the four reinforcing connectors 80 is hingedly connected to the base 60, and the other end of each of the four reinforcing connectors 80 is hingedly connected to the upright 100, so as to further improve the structural stability of the crib base, i.e. the structural stability of the crib when it is close to the lower position.

[0051] In one embodiment, the locking frame 10 is provided with a guide groove 104 at the center line of the longitudinal opening, the guide groove 104 vertically penetrates the two groove walls of the locking groove 101, and the inner plug 20 is provided with a guide notch 105 at the position opposite to the guide groove 104. The guide groove 104 is provided with a guide piece 12, wherein the guide piece 12 is respectively connected with a linkage 13 at the two ends of the first and second fence pieces 40 and 50, and the other ends of the two linkages 13 are hingedly connected to the adjacent first and second fence pieces 40 and 50 through a positioning shaft 14, wherein the positioning shaft 14 is located between the driving groove 401 and the hinge shaft 41, and is away from the longitudinal opening 102 relative to the hinge shaft 41. The linkage 13 is configured to move the outer ends of the first and second fence pieces 40 and 50 away from the longitudinal opening 102, and move the inner ends of the first and second fence pieces 40 and 50 along the guide piece 12 in the direction of approaching the longitudinal opening 102 when the driving slope 31 drives the locking pin 11 away from the groove bottom of the driving groove 401. Thus, the cooperation of the linkage 13, the guide piece 12 and the guide groove 104 can further provide a guiding effect, and make the movement of the first and second fence pieces 40 and 50 more stable and accurate in direction when the first and second fence pieces 40 and 50 are folded or unfolded, wherein the linkage 13 can be a semicircular ring buckle or an arc-shaped buckle.

[0052] In one embodiment, the crib base assembly 300 further comprises four reinforcing connectors 80, the four reinforcing connectors 80 are respectively arranged below the four base connectors 70, one end of the four reinforcing connectors 80 is respectively hinged to the base 60, and the other end is respectively hinged to the four columns 100, so as to further improve the structural stability of the crib base assembly 300, i.e. the structural stability of the crib near the lower position.

[0053] In one embodiment, the top of the sliding cavity is provided with a sliding opening. The sliding opening is fixedly provided with a base cover plate 63, and the base cover plate 63 is provided with a position avoiding hole 602. The base sliding block 61 is provided with a sliding block handle 611 matched with the position avoiding hole 602, so as to limit the base sliding block 61 in the sliding cavity, facilitate the lifting of the base sliding block 61 through the sliding block handle 611, and prevent the base sliding block 61 from being separated from the sliding cavity.

[0054] It should be noted that the terms "first", "second", "third", and "fourth" in the present application are only for descriptive purposes, and cannot be understood as indicating or implying relative importance. These terms can be interpreted as names.

[0055] Those skilled in the art should understand that the above description and the embodiments of the present application shown in the drawings are only examples and do not limit the present application. The advantages of the present application have been fully and effectively realized. The function and structural principle of the present application have been shown and described in the embodiments, and the embodiments of the present application can be any deformation or modification without departing from the principle.

Claims

1. A crib rail assembly characterized by, The locking frame, the inner plug, the button, the first fence part and the second fence part, wherein the locking frame has a locking slot with a longitudinal opening and two lateral openings symmetrically distributed on both sides of the longitudinal opening, the locking frame is provided with two locking pin slots, the two locking pin slots are symmetrically inclinedly distributed relative to the center line of the longitudinal opening, and the inclination direction is gradually close to the longitudinal opening from one end away from the lateral opening to the other end. The inner plug is embedded in the locking slot and located between the two locking pin slots, the inner plug has a movable slot with the same opening direction as the locking slot, and the movable slot is symmetrically provided with mounting blocks relative to the center line of the longitudinal opening, and the two mounting blocks are connected to the two locking pins on both sides through elastic members; The first fence part and the second fence part are respectively inserted into the movable slot at the two lateral openings, are respectively hinged to the locking frame through a hinge shaft, and are respectively provided with a driving slot matched with the two locking pins, the extension direction of the driving slot is the same as that of the locking pin slot, an avoiding gap is formed in the upper slot wall of the driving slot, and the hinge shaft is located outside the driving slot. The button is inserted into the locking slot at the longitudinal opening and is provided with a driving slope matched with the two locking pins to enable directional driving of the locking pins so that the locking pins are separated from the driving slot at the avoiding gap, and the button and the locking frame are elastically connected.

2. The pack-and-play assembly of claim 1, wherein The locking frame is provided with a guide slot at the center line opposite to the longitudinal opening, the guide slot vertically penetrates the two slot walls of the locking slot, the inner plug is provided with a guide gap opposite to the guide slot, a guide member is arranged in the guide slot, one linkage member is connected to each end of the first fence part and the second fence part protruding from the guide member, the two linkage members are respectively hinged to the first fence part and the second fence part through positioning shafts at one end away from the guide member, the positioning shafts are located between the driving slot and the hinge shaft and are away from the longitudinal opening relative to the hinge shaft, and the linkage member is configured to move the outside end of the first fence part and the second fence part in a direction away from the longitudinal opening when the driving slope drives the locking pin away from the bottom of the driving slot, and the inside end of the first fence part and the second fence part moves along the guide slot with the guide member in a direction close to the longitudinal opening.

3. The pack 'n play enclosure assembly of claim 1, wherein, The button comprises a pressing part and two driving parts symmetrically arranged on the same side of the pressing part, the driving parts are respectively clamped on both sides of the first fence part and the second fence part, the driving slope is located at one end of the driving part away from the pressing part, the pressing part is provided with a reset elastic element opposite to the driving part, one end of the reset elastic element close to the longitudinal opening abuts against one end of the pressing part away from the driving part, the other end of the reset elastic element is connected to the locking frame through a limiting element, the limiting element penetrates the button and the locking frame at the same time, and the reset elastic element extends along the direction of the longitudinal opening.

4. The crib rail assembly of claim 3, wherein, The pressing part is provided with at least two guide ribs parallel along the direction of the longitudinal opening, and the locking frame is provided with guide notches matched with the guide ribs at one end close to the longitudinal opening.

5. A crib chassis assembly characterized by, The base comprises a sliding cavity, a base slider arranged in the sliding cavity and capable of directional sliding, a wedge-shaped slot in the base slider, two base locking pins symmetrically arranged in the wedge-shaped slot on both sides of the sliding direction of the base slider, and an elastic connection between the two base locking pins. One end of each of the four base connecting pieces is symmetrically embedded into the sliding cavity and hingedly connected to the base through a base rotating shaft, and the other end of each of the four base connecting pieces is used for connecting four stand columns of a baby crib.

6. The crib frame assembly of claim 5, wherein, The sliding cavity is provided with a sliding opening, a base cover plate is fixedly arranged at the sliding opening, an avoiding hole is formed in the base cover plate, and the base slider is provided with a slider handle matched with the avoiding hole.

7. The crib frame assembly of claim 5, wherein, The base further comprises four reinforcing connecting pieces, one end of each of the four reinforcing connecting pieces is hingedly connected to the base, and the other end of each of the four reinforcing connecting pieces is hingedly connected to the stand column.

8. A cot characterised in that, The crib enclosure assembly and the crib base assembly are connected at two ends of the four uprights, respectively.

9. The crib of claim 8, wherein, The locking frame is provided with a guide slot at the center line opposite to the longitudinal opening, the guide slot vertically penetrates through the two slot walls of the locking slot, the inner plug is provided with a guide notch opposite to the guide slot, the guide slot is provided with a guide piece, the guide piece is connected with a linkage at both ends of the first and second fence pieces, the two linkages are respectively hinged to the first and second fence pieces through a positioning shaft away from the guide piece, the positioning shaft is located between the driving slot and the hinge shaft and is away from the longitudinal opening relative to the hinge shaft, the linkage is configured to move the outer end of the first and second fence pieces away from the longitudinal opening when the driving slope drives the locking pin away from the bottom of the driving slot, and the inner end of the first and second fence pieces moves along the guide piece in the guide slot towards the longitudinal opening.

10. The crib of claim 8, wherein, The crib base assembly further comprises four reinforcing connectors, one end of each of the four reinforcing connectors is hinged to the base, and the other end is hinged to the upright.

Images