CN219556805U - Slide assembly, side rail and crib - Google Patents

Abstract

The utility model discloses a slideway assembly, a side rail and a crib, and relates to the technical field of cribs. The slideway assembly comprises: the device comprises a first sliding block, a fixed block and a reset element; a first sliding groove is formed in the first sliding block along a first direction, and a mounting groove communicated with the first sliding groove is formed in the second direction; the first sliding groove is in sliding connection with a sliding rail on the mounting body; the fixed block is arranged in the mounting groove; the fixed block can slide along the second direction in the mounting groove; the reset element is arranged in the mounting groove; the reset element is arranged along the second direction, one end of the reset element is connected with the fixed block, and the other end of the reset element is connected with the inner wall of the mounting groove. According to the baby crib, the slideway component which can enable the side rail to slide up and down is arranged on the crib body of the baby crib, so that the height of the side rail of the baby crib can be adjusted, a baby can be more conveniently and safely held out of the baby crib, and the baby can be more conveniently and safely placed on the baby crib.

Description

Slide assembly, side rail and crib

Technical Field

The utility model relates to the technical field of cribs, in particular to a slideway assembly, a side rail and a crib.

Background

With the development of economy, it is often necessary to design a special crib for an infant for better healthy growth of the infant.

The crib in the prior art comprises a first side rail, a first transverse rail, a second side rail, a second transverse rail and a crib body, wherein the first side rail, the first transverse rail, the second side rail and the second transverse rail are sequentially connected and fixed on the crib body to form a rail of the crib, and the crib body is used as a crib surface of the crib and is used for placing infants; the first side rail, the first transverse rail, the second transverse rail and the second side rail are used as protection structures of the crib, and play a role in preventing a baby from falling from the crib body. Placing an infant on the crib can provide a better sleeping environment for the infant.

However, the side rail height of the prior art crib cannot be adjusted, so that the crib is inconvenient to hold the baby out of the crib and the crib is inconvenient to put the baby on.

Disclosure of Invention

The utility model mainly aims to provide a slideway assembly, a side rail and a crib, and aims to solve the technical problems that the height of the side rail of the crib in the prior art cannot be adjusted, so that a baby cannot be held out of the crib conveniently, and the baby cannot be placed on the crib conveniently.

To solve the above technical problem, in a first aspect, the present utility model provides a chute assembly, including:

a first slider; a first sliding groove is formed in the first sliding block along a first direction, and a mounting groove communicated with the first sliding groove is formed in the second direction; the first sliding groove is in sliding connection with a sliding rail on the mounting body;

a fixed block installed in the installation groove; at least part of the fixed block can enter a fixed hole of a sliding rail on the installation body, at least part of the fixed block extends out of the installation groove, and the fixed block can slide along the second direction in the installation groove;

a reset element mounted in the mounting slot; the reset element is arranged along the second direction, one end of the reset element is connected with the fixed block, and the other end of the reset element is connected with the inner wall of the mounting groove.

In one possible implementation, the mounting groove includes a fixed groove, a movable groove, and a sliding groove, the fixed groove is in communication with the movable groove along the second direction, and the movable groove is in communication with the sliding groove along the first direction;

the fixed block comprises a fixed part, a movable part and a sliding part which are sequentially and integrally formed, the fixed part is positioned in the fixed groove and can enter a fixed hole of the sliding rail on the installation body, and the movable part is positioned in the movable groove; the sliding part is positioned in the sliding groove and extends out of the sliding groove; the reset element is arranged between the movable part and the inner wall of the movable groove.

In one possible implementation manner, the fixing block further includes a moving part, and the moving part and one end of the sliding part extending out of the sliding groove are integrally formed.

In one possible implementation manner, the aperture of the fixed slot is smaller than the aperture of the end of the movable slot away from the sliding slot, and the width of the sliding slot is smaller than the width of the end of the movable slot close to the sliding slot; the diameter of the movable part far away from one end of the sliding part is larger than that of the fixed part, and the width of the sliding part is smaller than that of the movable part near one end of the sliding part.

In one possible implementation manner, the slide assembly further includes a first slide bar, a first slide rail is disposed on the first slide bar, the first slide rail is slidably connected with the first slide groove, a plurality of first fixing holes and a plurality of first connecting holes are sequentially formed in the first slide bar along the first direction, at least part of the fixing block can enter the first fixing holes, and the first slide bar is fixed on the installation body through a fixing piece penetrating through the first connecting holes.

In one possible implementation manner, the slideway assembly further comprises a second sliding block, wherein the second sliding block is provided with a second sliding groove along the first direction, and the second sliding groove is in sliding connection with the sliding rail on the installation body.

In one possible implementation manner, the slide assembly further includes a second slide bar, a second slide rail is disposed on the second slide bar, the second slide rail is slidably connected with the second slide groove, a plurality of second connection holes are sequentially formed in the second slide bar along the first direction, and the second slide bar is fixed on the mounting body through a fixing member passing through the second connection holes.

In one possible implementation manner, a limiting block is arranged on the second sliding strip, and the limiting block is used for limiting the displacement of the second sliding block.

In a second aspect, the utility model also provides a side rail, which comprises a rail body, a rail and the slideway assembly, wherein the slideway assembly is connected with the rail body and the rail.

In a third aspect, the present utility model also provides a crib comprising:

a bed body;

according to the side rail disclosed by the utility model, the side rail is arranged on the bed body.

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

the embodiment of the utility model provides a slide way assembly, a side rail and a crib, wherein the slide way assembly comprises: the device comprises a first sliding block, a fixed block and a reset element; a first sliding groove is formed in the first sliding block along a first direction, and a mounting groove communicated with the first sliding groove is formed in the second direction; the first sliding groove is in sliding connection with a sliding rail on the mounting body; the fixed block is arranged in the mounting groove; at least part of the fixed block can enter a fixed hole of a sliding rail on the installation body, at least part of the fixed block extends out of the installation groove, and the fixed block can slide along the second direction in the installation groove; the reset element is arranged in the mounting groove; the reset element is arranged along the second direction, one end of the reset element is connected with the fixed block, and the other end of the reset element is connected with the inner wall of the mounting groove.

That is, the slide rail matched with the first slide groove can be installed or arranged on the bed body of the crib, then the slide rail assembly is installed on the side rail of the crib, and at least part of the fixing block enters the fixing hole of the slide rail on the bed body. When a baby is required to be placed in the crib or taken out from the crib, a force in the direction of the reset element is applied to the part of the fixed block extending out of the mounting groove, and the force drives the fixed block to move in the direction of the reset element and compresses the reset element until the part of the fixed block positioned in the fixed hole moves out of the fixed hole. The whole side rail moves downwards under the action of gravity, and when a part of fixing blocks reach the next fixing hole on the bed body, the part of fixing blocks can enter the fixing hole under the action of the elastic force of the resetting element. The side rail is fixed on the bed body through part of the fixing blocks which enter the fixing holes, and then the baby is put into the baby bed or is held out of the baby bed. Therefore, the slide rail component capable of enabling the side rail to slide up and down is arranged on the bed body of the crib, so that the height of the side rail of the crib can be adjusted, and the baby can be more conveniently and safely held out of the crib and can be more conveniently and safely placed on the crib.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a slide assembly according to an embodiment of the present utility model;

FIG. 2 is a schematic front cross-sectional view of a slide assembly according to an embodiment of the present utility model;

FIG. 3 is a schematic front cross-sectional view of a first slider according to an embodiment of the present utility model;

FIG. 4 is a schematic side sectional view of a first slider according to an embodiment of the present utility model;

fig. 5 is a schematic perspective view of a fixing block according to an embodiment of the present utility model;

fig. 6 is a schematic perspective view of a cover plate according to an embodiment of the present utility model;

fig. 7 is a schematic perspective view of a sliding connection between a first slide bar and a first slider according to an embodiment of the present utility model;

FIG. 8 is a schematic front sectional view of a first slide bar and a first slider slidingly coupled according to an embodiment of the present utility model;

fig. 9 is a schematic perspective view of a first slide bar according to an embodiment of the present utility model;

fig. 10 is a schematic perspective view of a second slider according to an embodiment of the present utility model;

FIG. 11 is a schematic perspective view of a sliding connection between a second slider and a second slide bar according to an embodiment of the present utility model;

FIG. 12 is another schematic perspective view of a sliding connection between a second slider and a second slide bar according to an embodiment of the present utility model;

FIG. 13 is a schematic diagram of a front structure of a side rail according to an embodiment of the present utility model;

fig. 14 is a schematic front view of a crib according to an embodiment of the present utility model.

Description of the drawings: 1. a first slider; 101. a slide body; 102. a cover plate; 1021. a first protrusion; 1022. mounting the bulge; 1023. a second protrusion; 1024. a locking hole; 11. a first chute; 12. a mounting groove; 121. a fixing groove; 122. a sliding groove; 123. a movable groove; 2. a fixed block; 21. a fixing part; 22. a sliding part; 23. a movable part; 24. a moving part; 3. a reset element; 4. a first slide bar; 41. a first slide rail; 42. a fixing hole; 43. a first connection hole; 5. a second slider; 51. a second chute; 6. a second slide bar; 61. a second slide rail; 62. a second connection hole; 63. a limiting block; 7. a slideway assembly; 8. a fence body; 81. railing; 9. a bed body; 10. a side rail.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-2, the present utility model provides a ramp assembly comprising: a first slider 1, a fixed block 2 and a reset element 3; the first sliding block 1 is provided with a first sliding groove 11 along a first direction and a mounting groove 12 communicated with the first sliding groove 11 along a second direction; the first chute 11 is in sliding connection with a sliding rail on the installation body; the fixed block 2 is arranged in the mounting groove 12; at least part of the fixed block 2 can enter the fixed hole 42 of the sliding rail on the installation body, at least part of the fixed block 2 extends out of the installation groove 12, and the fixed block 2 can slide in the second direction in the installation groove 12; the reset element 3 is arranged in the mounting groove 12; the reset element 3 is arranged along the second direction, one end of the reset element 3 is connected with the fixed block 2, and the other end is connected with the inner wall of the mounting groove 12.

In this embodiment, the mounting body may be a bed body or a side rail, and the first direction and the second direction are preferably perpendicular to each other, and the reset element 3 is preferably a reset spring. For example, a sliding rail matched with the first sliding groove 11 may be installed or set on the bed body of the crib, then the side rail of the crib is installed on the sliding rail assembly, then the sliding rail assembly is installed on the bed body of the crib, and at least part of the fixing block 2 enters the fixing hole 42 of the sliding rail on the bed body to fix the side rail on the bed body. The slide rail assemblies can be matched for use, for example, two sides of one side rail are respectively connected with one slide rail assembly.

When an infant is required to be put into the crib or held out of the crib, a force in the direction of the reset element 3 is applied to the part of the fixing block 2 extending out of the mounting groove 12, and the force drives the fixing block 2 to move in the direction of the reset element 3, and compresses the reset element 3 until the part of the fixing block 2 positioned in the fixing hole 42 moves out of the fixing hole 42, the side rail of the crib moves downwards under the action of gravity until the part of the fixing block 2 reaches the next fixing hole 42 on the crib body, and the part of the fixing block 2 can enter the fixing hole 42 under the action of the elastic force of the reset element 3. The side rail 10 is fixed on the bed body through the part of the fixing block 2 which enters the fixing hole 42, and then the baby is put into the baby bed or is held out of the baby bed. Therefore, the slide rail component capable of enabling the side rail to slide up and down is arranged on the bed body of the crib, so that the height of the side rail of the crib can be adjusted, and the baby can be more conveniently and safely held out of the crib and can be more conveniently and safely placed on the crib.

After the baby is placed on the crib, a force in the direction of the reset element 3 is applied to the part of the fixed block 2 extending out of the mounting groove 12, the force drives the fixed block 2 to move in the direction of the reset element 3, according to the same principle, an upward force is applied to the side rail, the side rail can move upwards until the side rail reaches a proper height, and part of the fixed block 2 enters the other fixed hole 42. In this way, by installing the slideway assembly 7 which can enable the side rail to slide up and down on the bed body of the crib, the height of the crib side rail can be adjusted, so that the baby can be more conveniently and safely held out of the crib and can be more conveniently and safely placed on the crib. And the side rail and the slideway component of the crib can slide up and down when being matched, so that the corresponding crib can be suitable for infants in multiple ages.

In one possible implementation, referring to fig. 3 to 5, the mounting groove 12 includes a fixed groove 121, a movable groove 123, and a sliding groove 122, the fixed groove 121 communicates with the movable groove 123 along the second direction, and the movable groove 123 and the sliding groove 122 communicate along the first direction; the fixed block 2 comprises a fixed part 21, a movable part 23 and a sliding part 22 which are integrally formed in sequence, the fixed part 21 is positioned in the fixed groove 121 and can enter the fixed hole 42 of the sliding rail on the installation body, and the movable part 23 is positioned in the movable groove 123; the sliding part 22 is located in the sliding groove 122 and extends out of the sliding groove 122; the reset element 3 is mounted between the movable portion 23 and the inner wall of the movable groove 123.

In this embodiment, the fixing portion 21 is located in the fixing groove 121, and may be in clearance fit with the fixing groove 121 along an axial direction of the fixing groove 121, the movable portion 23 is located in the movable groove 123, and the sliding portion 22 is located in the sliding groove 122. When the height of the side rail needs to be lowered, a force in the direction of the reset element 3 is applied to the sliding part 22, the force drives the fixing part 21 to move in the direction of the reset element 3 and compress the reset element 3, and when the fixing part 21 moves out of the fixing hole 42, the side rail moves downwards under the action of gravity until the fixing part 21 reaches the next fixing hole 42 on the bed body, and under the action of the elastic force of the reset element 3, the fixing part 21 can enter the fixing hole 42. In this way, the side rail is adjusted to the appropriate height.

When the height of the side rail needs to be increased, a force in the direction of the reset element 3 is applied to the sliding part 22, the force drives the fixing part 21 to move in the direction of the reset element 3 and compresses the reset element 3, when the fixing part 21 moves out of the fixing hole 42, an upward force is applied to the side rail, the force drives the side rail to move upwards, and when the fixing part 21 reaches the next fixing hole 42 on the bed body, the fixing part 21 enters the fixing hole 42 under the action of the elastic force of the reset element 3. In this way, the side rail 10 is adjusted to the proper height.

In a possible implementation, referring to fig. 2 and 5, the fixing block 2 further includes a carrying portion 24, and the carrying portion 24 and an end of the sliding portion 22 extending out of the sliding groove 122 are integrally formed. The shape of the moving portion 24 may be set to a shape that facilitates the application of force, and when the fixing portion 21 is required to be moved out of the fixing hole 42, a force in the direction of the reset element 3 is applied to the moving portion 24. By providing the moving portion 24 in this manner, it is possible to more easily apply a force to the fixing block 2 in the direction of the reset element 3, and to more easily move the fixing portion 21 out of the fixing hole 42.

In one possible implementation, referring to fig. 2-5, the aperture of the fixed slot 121 is smaller than the aperture of the end of the movable slot 123 away from the sliding slot 122, and the width of the sliding slot 122 is smaller than the width of the end of the movable slot 123 near the sliding slot 122; the diameter of the movable part 23 at the end far from the sliding part 22 is larger than that of the fixed part 21, and the width of the sliding part 22 is smaller than that of the movable part 23 at the end near the sliding part 22.

In the present embodiment, the sliding groove 122 includes an upper portion and a lower portion which are communicated with each other, the upper portion is coaxially disposed with the fixing groove 121, and the diameter of the upper portion is larger than that of the fixing groove 121; the sliding portion 22 includes an upper half and a lower half integrally formed with each other, the upper half being disposed coaxially with the fixing portion 21, and the diameter of the upper half being larger than that of the fixing portion 21. In this way, when the upper half of the sliding portion 22 reaches the fixing groove 121, the movement of the sliding portion is restricted from continuing in a direction away from the reset element 3, so that the fixing portion 21 can be brought into a proper position in the fixing hole 42. The width of the sliding portion 22 is set smaller than the width of the movable portion 23 near one end of the sliding portion 22, so that the sliding portion 22 can slide in the sliding portion 22.

In one possible implementation manner, referring to fig. 3 to fig. 4 and fig. 6, in order to better install the reset element in the installation groove 12, the first slider 1 includes a sliding body 101 and a cover plate 102 that are detachable from each other, the installation groove 12 is opened in the sliding body 101, a second protrusion 1023 is provided at an upper end of the cover plate 102, a first protrusion 1021 is provided at a lower end of the cover plate, an installation protrusion 1022 is provided at a side near the reset element 3, one end of the reset spring 3 is installed on the installation protrusion 1022, clamping grooves are opened at corresponding positions of the sliding body 101, and the second protrusion 1023 and the first protrusion 1021 are respectively clamped in the corresponding clamping grooves.

The cover plate 102 may be L-shaped, the cover plate 102 is provided with a locking hole 1024, the corresponding position of the sliding body 101 is also provided with a corresponding through hole, and the cover plate 102 is locked on the sliding body 101 by a fixing member passing through the locking hole 1024 and the through hole. The cover plate 102 is opened, the reset element 3 is then mounted in the mounting groove 12, and then the cover plate 102 is fixed to the slider 101. In this way, it is easier to mount the reset element 3 in the mounting groove 12; and the cover plate 102 can be more stably fixed on the sliding body 101 by the cooperation of the second protrusion 1023, the first protrusion 1021 and the locking hole 1024, so that the reset element 3 can be more stably fixed in the mounting groove 12, and the reset element 3 can more stably drive the fixing portion 21 to move.

In a possible implementation manner, referring to fig. 7 to fig. 9, the slide assembly 7 further includes a first slide 4, a first slide rail 41 is disposed on the first slide 4, the first slide rail 41 is slidably connected with the first slide groove 11, a plurality of first fixing holes 42 and a plurality of first connecting holes 43 are sequentially formed on the first slide 4 along the first direction, at least a portion of the fixing block 2 can enter the first fixing holes 42, and the first slide 4 is fixed on the mounting body by a fixing member passing through the first connecting holes 43.

In this embodiment, the first sliding block 1 may slide along the first sliding strip 4 through the sliding connection between the first sliding rail 41 and the first sliding groove 11, and the fixing member may be a countersunk screw, which passes through the first connecting hole 43 to fix the first sliding strip 4 on the bed body 9. By arranging the first slide 4 with the first slide rail 41 separately, it is more convenient to arrange a slide matching with the first slide 1 than to arrange a slide on the bed 9.

In a possible implementation manner, referring to fig. 10, the slide assembly 7 further includes a second slider 5, where the second slider 5 is provided with a second sliding groove 51 along the first direction, and the second sliding groove 51 is slidably connected with a sliding rail on the mounting body.

In this embodiment, the second slider 5 is used in combination with the first slider 1, for example, slide rails are respectively installed or disposed on the upper portion and the lower portion of the bed body, the first slider 1 is installed on the upper portion of the bed body, the second slider 5 is installed on the lower portion of the bed body, the upper portion of the side rail is installed on the first slider 1, and the lower portion is installed on the second slider 5. When the side rail moves up and down, the sliding rail and the second sliding groove 51 slide relatively, so that the side rail 10 can slide up and down more stably.

In a possible implementation manner, referring to fig. 11, the slide assembly 7 further includes a second slide 6, a second slide rail 61 is disposed on the second slide 6, the second slide rail 61 is slidably connected with the second slide groove 51, a plurality of second connection holes 62 are sequentially formed in the second slide 6 along the first direction, and the second slide 6 is fixed on the mounting body by a fixing member passing through the second connection holes 62.

In this embodiment, the second sliding block 5 may slide along the second sliding strip 6 through the sliding connection between the second sliding rail 61 and the second sliding groove 51, and the second sliding strip 6 may be fixed on the bed body 9 through a fixing member passing through the second connecting hole 62, where the fixing member may be a countersunk screw. By arranging the second slide 6 with the second slide rail 61 separately, it is more convenient to arrange a slide matching with the second slide 5 than to arrange a slide on the bed 9.

In a possible implementation manner, referring to fig. 12, a stopper 63 is disposed on the second slider 6, and the stopper 63 is used for limiting the displacement of the second slider 5. The limiting block 63 can limit the sliding position of the second slider 5 on the second slide 6, so that the second slider 5 can be prevented from being separated from the second slide 6.

Based on the same concept, the utility model also provides a side rail, please refer to fig. 13, comprising a rail body 8, a rail 81 and the slideway assembly 7 disclosed in the utility model, wherein the slideway assembly 7 connects the rail body 8 and the rail 81.

When the slide assembly 7 includes the first slide 4, the first slide 4 is mounted on the rail 81, and when the slide assembly 7 does not include the first slide 4, a slide rail matching the first slide groove 11 is provided or mounted on the rail 81. After the slideway assembly 7 is mounted on the railing 81, the railing body 8 is mounted on the slideway assembly 7.

Specifically, the first slider 1 of the slideway component 7 is provided with a connecting groove, the cross bar of the fence body 8 is connected with the connecting groove, and the height of the cross bar can be higher than the depth of the connecting groove or lower than the depth of the connecting groove, so that the slideway component 7 is more convenient to connect with the fence body 8. The height of the fence body 8, and thus the height of the side fence, can be adjusted by the slideway assembly 7 in the utility model.

Based on the same concept, the present utility model also provides a crib, please refer to fig. 14, including: a bed 9 and a side rail 10 according to the utility model, wherein the side rail 10 is arranged on the bed 9. The side rail 10 with adjustable height is arranged on the bed body 9, so that the side rail 10 of the bed body 9 can be adjusted in height, thereby facilitating the safe holding of the baby from the baby crib and the safe placing of the baby on the baby crib.

It should be noted that, in some embodiments, the body of the side rail 10 may be integrally formed with the bed 9.

The above description is merely illustrative of various embodiments of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the scope of the present utility model, and the utility model is intended to be covered by the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (10)

1. A ramp assembly, the ramp assembly comprising:

a first slider (1); a first sliding groove (11) is formed in the first sliding block (1) along a first direction, and a mounting groove (12) communicated with the first sliding groove (11) is formed in the second direction; the first sliding groove (11) is in sliding connection with a sliding rail on the installation body;

a fixed block (2) mounted in the mounting groove (12); at least part of the fixed block (2) can enter a fixed hole (42) of a sliding rail on the installation body, at least part of the fixed block (2) extends out of the installation groove (12), and the fixed block (2) can slide along the second direction in the installation groove (12);

a reset element (3) mounted in the mounting groove (12); the reset element (3) is arranged along the second direction, one end of the reset element (3) is connected with the fixed block (2), and the other end of the reset element is connected with the inner wall of the mounting groove (12).

2. The skid assembly according to claim 1, characterized in that the mounting groove (12) comprises a fixed groove (121), a movable groove (123) and a sliding groove (122), the fixed groove (121) being in communication with the movable groove (123) in the second direction, the movable groove (123) and the sliding groove (122) being in communication in the first direction;

the fixed block (2) comprises a fixed part (21), a movable part (23) and a sliding part (22) which are integrally formed in sequence, the fixed part (21) is positioned in the fixed groove (121) and can enter a fixed hole (42) of the sliding rail on the installation body, and the movable part (23) is positioned in the movable groove (123); the sliding part (22) is positioned in the sliding groove (122) and extends out of the sliding groove (122); the reset element (3) is arranged between the movable part (23) and the inner wall of the movable groove (123).

3. The skid assembly according to claim 2, wherein the fixed block (2) further comprises a carrying portion (24), and the carrying portion (24) is integrally formed with an end of the sliding portion (22) extending out of the sliding groove (122).

4. The skid assembly according to claim 2, characterized in that the aperture of the fixed slot (121) is smaller than the aperture of the end of the movable slot (123) remote from the sliding slot (122), the width of the sliding slot (122) being smaller than the width of the end of the movable slot (123) close to the sliding slot (122); the diameter of one end of the movable part (23) far away from the sliding part (22) is larger than that of the fixed part (21), and the width of the sliding part (22) is smaller than that of one end of the movable part (23) close to the sliding part (22).

5. The slideway assembly according to claim 1, wherein the slideway assembly (7) further comprises a first slide bar (4), a first slide rail (41) is arranged on the first slide bar (4), the first slide rail (41) is in sliding connection with the first slide groove (11), a plurality of first fixing holes (42) and a plurality of first connecting holes (43) are sequentially formed in the first slide bar (4) along the first direction, at least part of the fixing block (2) can enter the first fixing holes (42), and the first slide bar (4) is fixed on the installation body through fixing pieces penetrating through the first connecting holes (43).

6. The skid assembly according to claim 1 or 5, characterized in that the skid assembly (7) further comprises a second slider (5), the second slider (5) being provided with a second runner (51) along the first direction, the second runner (51) being in sliding connection with a sliding rail on the mounting body.

7. The slideway assembly according to claim 6, wherein the slideway assembly (7) further comprises a second slide bar (6), a second slide rail (61) is arranged on the second slide bar (6), the second slide rail (61) is in sliding connection with the second slide groove (51), a plurality of second connecting holes (62) are sequentially formed in the second slide bar (6) along the first direction, and the second slide bar (6) is fixed on the installation body through a fixing piece passing through the second connecting holes (62).

8. The slide assembly according to claim 7, characterized in that a stopper (63) is provided on the second slide (6), the stopper (63) being used for limiting the displacement of the second slider (5).

9. A side rail, comprising:

a fence body (8);

a railing (81);

the ramp assembly (7) of any one of claims 1-8, said ramp assembly (7) connecting said rail body (8) and said balustrade (81).

10. A crib, comprising:

a bed body (9);

the side rail (10) of claim 9, said side rail (10) being mounted to said bed (9).