CN217338016U - Bed guardrail of mutually clamped folding structure - Google Patents

Abstract

The utility model belongs to the technical field of bed guardrails, in particular to a bed guardrail with an interlocking folding structure, which comprises a folding cross rod, wherein two sides of the cross rod are provided with upright posts for supporting the cross rod, the cross bar comprises a folding seat and a support rod movably arranged on the folding seat, the support rod is provided with a connecting rod connected with the folding seat, the support rod can rotate around the connecting rod and the folding seat relatively, the folding seat and the support rod are respectively provided with an inserting part and an inserting hole matched with the inserting part, the inserting part is matched with the inserting hole to limit the relative rotation of the connecting rod and the folding seat, and the folding seat is provided with a movable groove matched with the connecting rod, the connecting rod slides in the movable groove to separate the inserting part from the inserting hole, and the connecting rod and the folding seat can rotate relatively, the utility model aims to provide a bed guardrail with a mutually-clamped folding structure, which is convenient to use, simple to operate and firm in structure.

Description

Bed guardrail of mutually-clamped folding structure

Technical Field

The utility model belongs to the technical field of bed guardrail/bed rail, refer in particular to a bed guardrail of mutual card beta structure.

Background

Along with the continuous growth of infants, the active nature of infants gradually appears, the crib with a small area can not meet the requirements of activities and playing of infants gradually, but most of the commonly used beds in families do not have guardrails, the infants easily fall off from the bed due to accidents when moving or falling asleep, injuries are caused, the occurrence of the crib guardrails avoids the accidents for parents of the infants, but in order to protect the infants better, the crib guardrails mostly form a large cross section, but the large cross section is inconvenient for storage and transportation of the crib guardrails, sellers and users only can disassemble the crib guardrails and assemble the crib guardrails when the crib is used again, and the crib guardrails are inconvenient for the users to use.

Disclosure of Invention

In order to overcome the defect among the prior art, the utility model aims at providing a convenient to use, easy operation and the firm bed guardrail of mutual calorie of beta structure, the trade company can sell for the consumer after the bed guardrail that complete assembly or main part equipment were accomplished is folding, needn't loaded down with trivial details equipment spare part when the user installs this bed guardrail for the first time, can fold fast when not using the bed guardrail and accomodate, and can expand fast and install when using again, it is more convenient laborsaving to let the consumer use, very big improvement consumer's use is experienced.

The purpose of the utility model is realized like this:

the utility model provides a bed guardrail of each other calorie of beta structure, includes folding horizontal pole, the horizontal pole both sides set up the stand that is used for supporting the horizontal pole, the horizontal pole includes folding seat and the bracing piece of activity setting on folding seat, be provided with the connecting rod of being connected with folding seat on the bracing piece, the bracing piece can rotate relatively with folding seat around the connecting rod, be provided with grafting portion respectively on folding seat and the bracing piece and with grafting portion complex spliced eye, grafting portion and spliced eye cooperation restriction connecting rod and folding seat's relative rotation, and folding seat is last be provided with connecting rod complex movable groove, the connecting rod slides in the movable groove and makes grafting portion and spliced eye separation to make connecting rod and folding seat can rotate relatively.

Preferably, the support rod extends towards the folding seat to form a connecting part, a placing groove matched with the connecting part is formed in the folding seat, a third positioning wall is arranged on the side face of the connecting part, and the third positioning wall abuts against the side wall of the placing groove and limits the relative rotation of the connecting rod and the folding seat.

Preferably, the folding seat is provided with an elastic piece, and the elastic piece drives the connecting rod to reset and enables the insertion part to be matched with the insertion hole.

Preferably, the elastic element is arranged in the movable groove, one end of the elastic element abuts against the end part of the movable groove, and the other end of the elastic element abuts against the connecting rod.

Preferably, one side of the inserting part is provided with a positioning surface, the other side of the inserting part is provided with a guide surface, the connecting rod and the supporting rod slide along the guide surface in the unfolding process of the folding seat relatively, and the positioning surface is abutted against the side wall of the inserting hole when the connecting rod and the folding seat are unfolded relatively.

Preferably, be provided with on the stand and rotate the connecting seat of being connected with the bracing piece, when connecting rod and folding seat and relative rotation, connecting rod and connecting seat rotate relatively, just be provided with two sets of horizontal poles between the stand, be provided with the connecting seat of being connected with two sets of horizontal poles respectively on the stand, a set of connecting seat can be dismantled with the stand and be connected, another group of connecting seat and stand sliding connection, and the relative slip of two sets of horizontal pole accessible connecting seat and stand is drawn close each other.

Preferably, the connecting seat includes can dismantle the first connecting seat of being connected and the second connecting seat with stand sliding connection with the stand, be provided with the joint button on the stand, be provided with on the second connecting seat with joint button complex draw-in groove.

Preferably, a rotating groove is formed in the first connecting seat, the rotating shaft penetrates through the rotating groove, two groups of first positioning walls are arranged on the connecting seat, the two groups of first positioning walls are respectively arranged on the upper side and the lower side of the rotating shaft, the two groups of first positioning walls are respectively arranged on the two sides of the supporting rod, and the supporting rod is abutted against the two groups of first positioning walls and enables the supporting rod and the stand column to be kept in an unfolded state.

Preferably, the second connecting seat is provided with a first positioning wall and a rotating shaft connected with the supporting rod, the first positioning wall extends towards the lower part of the rotating shaft, the supporting rod is provided with a second positioning wall matched with the first positioning wall, and when the folding seat and the supporting rod are relatively unfolded, the first positioning wall is abutted against the second positioning wall.

Preferably, the bracing piece includes the body of rod, and the body of rod both ends are provided with respectively with the connecting seat rotate the connector of being connected and with the installation head of folding seat connection.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

1. the utility model discloses a folding seat of connection is rotated and whole bed guardrail can exempt from to tear open foldingly with the bracing piece messenger, it can draw close each other to make the stand, thereby the volume of bed guardrail contracts, be convenient for accomodate the storage of bed guardrail, and when installing the bed body with the bed guardrail on or when dismantling from the bed body, do not need loaded down with trivial details equipment or dismantlement during the bed guardrail, be favorable to promoting user's convenient experience, and make folding seat and bracing piece relatively fixed through grafting portion and spliced eye in this structure, unless the stand moves to the horizontal pole both sides respectively, otherwise the horizontal pole can not be unexpected folding in the use, be favorable to avoiding the unexpected folding of bed guardrail in the use, be favorable to improving the security of bed guardrail.

2. The utility model discloses in the bracing piece extends to folding seat and forms connecting portion, be provided with on the folding seat with connecting portion complex arrangement groove, and the connecting portion side is provided with third location wall, third location wall supports and leans on the arrangement groove lateral wall and restricts the relative rotation of connecting rod and folding seat, third location wall does benefit to the relative rotation of further restriction folding seat and bracing piece with being provided with of arrangement groove, and make folding seat and the mutual joint of bracing piece, be favorable to improving folding seat and bracing piece connection structure's structural strength, avoid folding seat and the unexpected damage of bracing piece connection structure in the use.

3. The folding seat of the utility model is provided with the elastic piece which drives the connecting rod to reset and enables the inserting part to keep matching with the inserting hole, the structure is favorable for avoiding the separating of the inserting part and the inserting hole and avoiding the accidental folding of the bed guardrail; the elastic piece is arranged in the movable groove, one end of the elastic piece abuts against the end part of the movable groove, and the other end of the elastic piece abuts against the connecting rod.

4. The utility model discloses in grafting portion one side is provided with the locating surface, and grafting portion opposite side is provided with the spigot surface, and the connecting rod expandes the in-process bracing piece along the spigot surface relative slip with folding seat, and when expanding relatively, the locating surface supports and leans on the spliced eye lateral wall, and the quick expansion of the bed guardrail of being convenient for of this structure, the person of facilitating the use uses.

5. The utility model is characterized in that the stand column is provided with a connecting seat which is connected with the support rod in a rotating way, when the connecting rod and the folding seat rotate relatively, the connecting rod and the connecting seat rotate relatively, and two groups of cross rods are arranged between the stand columns, the stand column is provided with connecting seats which are respectively connected with the two groups of cross rods, one group of connecting seats can be detachably connected with the stand column, the other group of connecting seats is connected with the stand column in a sliding way, the two groups of cross rods can be drawn close to each other through the relative sliding of the connecting seats and the stand column, the arrangement of the two groups of cross rods is beneficial to the installation of cloth on the bed guardrail, and the two groups of cross rods can be drawn close to each other through the connecting seats, thereby being beneficial to reducing the volume of the folded bed guardrail and facilitating the folding and the storage of the bed guardrail; the connecting seat include with the stand can dismantle the first connecting seat of being connected and with stand sliding connection's second connecting seat, be provided with the joint button on the stand, be provided with on the second connecting seat with joint button complex draw-in groove, simple structure, convenient to use person controls.

6. The utility model discloses be provided with the rotation groove on the first connecting seat, the axis of rotation is worn to establish in the rotation groove, is provided with two sets of first locating walls on the connecting seat, and two sets of first locating walls set up both sides about the axis of rotation respectively, and two sets of first locating walls set up respectively in the bracing piece both sides, and the bracing piece supports and leans on two sets of first locating parts and makes bracing piece and stand keep the expansion state, and two sets of first locating walls are favorable to increasing the area of contact of connecting seat and bracing piece, improve the stability of horizontal pole installation; the utility model discloses a folding seat, including the bracing piece, be provided with the bracing piece on the second connecting seat, be provided with the axis of rotation that first location wall and be connected with the bracing piece on the second connecting seat, first location wall extends to the axis of rotation below, be provided with on the bracing piece with first location wall complex second location wall, when folding seat expanded with the bracing piece relatively, first location wall supported tightly on second location wall, this structure is favorable to supporting the bracing piece through the second connecting seat, is favorable to avoiding buckling downwards of bracing piece in the use.

7. The bracing piece includes the body of rod, and body of rod both ends are provided with respectively rotates the connector of being connected and the installation head of being connected with folding seat with the connecting seat, and this structure makes things convenient for the production and processing of bracing piece.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is an exploded view of the present invention;

fig. 3 is a schematic structural view of the folded state of the present invention;

FIG. 4 is a cross-sectional view of the connection structure of the support rod and the foldable seat of the present invention;

FIG. 5 is a cross-sectional view of the connection structure of the support rod and the foldable seat having the guide surface;

fig. 6 is a sectional view of a second connecting seat mounting structure in the present invention;

fig. 7 is a schematic structural view of the folding seat of the present invention;

fig. 8 is a schematic structural view of a mounting head according to the present invention;

fig. 9 is a schematic structural diagram of the middle connection head of the present invention.

Fig. 10 is a schematic structural view of a second connecting seat of the present invention;

fig. 11 is a schematic structural view of a first connecting seat of the present invention;

fig. 12 is a schematic structural view of the support rod of the present invention folded to the side of the folding seat.

In the figure: 1-upright column; 11-a snap button; 12-a return spring; 13-a support button; 2-a cross bar;

21-a support bar; 22-a folding seat; 211-a connecting head; 212-a second locating wall; 213-mounting head;

214-a plug-in hole; 215-a connecting part; 216-a third locating wall; 217-mounting holes; 221-connecting rod; 222-a movable slot; 223-a positioning surface; 224-a guide surface; 225-a plug-in part; 226-a placement groove; 3-a first connection seat; 31-a rotating shaft; 32-a rotation slot; 33-a first positioning wall; 4-a second connecting seat; 41-a chute; 42-card slot; 6-an elastic member; 7-hinged seat.

Detailed Description

The invention will be further described in the following by way of specific embodiments with reference to the accompanying drawings:

referring to fig. 1 to 12, a bed guardrail with a mutually-clamped folding structure comprises a foldable cross bar 2, two sides of the cross bar 2 are provided with upright posts 1 for supporting the cross bar 2, the cross bar 2 comprises a folding seat 22 and a support bar 21 movably arranged on the folding seat 22, the support bar 21 is provided with a mounting hole 217, the mounting hole 217 is provided with a connecting bar 221 connected with the folding seat 22, the support bar 21 can rotate relative to the folding seat 22 around the connecting bar 221, the folding seat 22 and the support bar 21 are respectively provided with an inserting part 225 and an inserting hole 214 matched with the inserting part 225, the inserting part 225 is matched with the inserting hole 214 to limit the relative rotation of the connecting bar 221 and the folding seat 22, the folding seat 22 is provided with a movable groove 222 matched with the connecting bar 221, the connecting bar 221 slides in the movable groove 222 to separate the inserting part 225 from the inserting hole 214, and enable the connecting bar 221 and the folding seat 22 to rotate relative to each other, folding seat 22 and bracing piece 21 through rotating the connection make whole bed guardrail can exempt from to tear open foldingly in this structure, make stand 1 draw close each other, thereby reduce the volume of bed guardrail, be convenient for accomodate the storage of bed guardrail, and with the bed guardrail install the bed body on or when dismantling from the bed body, the bed guardrail does not need loaded down with trivial details equipment or dismantlement, and because make folding seat 22 and bracing piece 21 relatively fixed through grafting portion 225 and spliced eye 214 in this structure, unless stand 1 moves to 2 both sides of horizontal pole respectively, horizontal pole 2 can not unexpected folding in the use, and 1 lower extreme of stand is mostly pressed under the mattress when the bed guardrail uses, can not random movement, so this structure is favorable to avoiding the unexpected folding of bed guardrail in the use, be favorable to improving the security of bed guardrail.

And the trade company can sell the bed guardrail that the complete assembly or main part equipment were accomplished for the consumer after folding, and the user needn't loaded down with trivial details assembly spare part when installing this bed guardrail for the first time is favorable to promoting user's convenient experience.

The inserting part 225 and the inserting hole 214 can also be respectively arranged on the support bar 21 and the folding seat 22, the structure of the utility model is the same as the structure of the utility model, and the utility model is included in the protection scope of the utility model, in addition, the support rod 21 in the utility model can be folded above or below the folding seat 22, the support rod 21 can also be folded towards the front side and the rear side of the folding seat 22, the structure of the utility model is the same as the structure of the utility model, and the protection scope of the utility model is also included, the figures 1 to 11 in the description of the utility model are the structural schematic diagrams of the support rod 21 folding to the lower part of the folding seat 22, the figure 12 in the description is the structural schematic diagram of the support rod 21 folding to the side of the folding seat 22, just the utility model discloses well horizontal pole can include three groups and three group above bracing pieces 21, connect through folding seat 22 between the bracing piece 21, during folding, bracing piece 21 draws close each other.

The utility model discloses in bracing piece 21 extends to folding seat 22 and forms connecting portion 215, be provided with on the folding seat 22 with connecting portion 215 complex arrangement groove 226, and connecting portion 215 side is provided with third location wall 216, third location wall 216 supports and leans on the arrangement groove 226 lateral wall and restricts the relative rotation of connecting rod 221 and folding seat 22, third location wall 216 does benefit to the relative rotation of further restriction folding seat 22 and bracing piece 21 with being provided with of arrangement groove 226 in this structure, and make folding seat 22 and the mutual joint of bracing piece 21, be favorable to improving folding seat 22 and bracing piece 21 connection structure's structural strength, folding seat 22 and the unexpected damage of bracing piece 21 connection structure in the avoidance of use.

Be provided with elastic component 6 on the folding seat 22, elastic component 6 drive connecting rod 221 resets and makes grafting portion 225 and spliced eye 214 keep the cooperation, and elastic component 6 is provided with and does benefit to and avoids grafting portion 225 and spliced eye 214 to break away from, avoids the unexpected folding of bed guardrail, the utility model discloses it is preferred elastic component 6 sets up in activity groove 222, and 6 one end of elastic component supports at activity groove 222 tip, and the elastic component 6 other end supports on connecting rod 221, and this structure is favorable to the fixed and stable shrink of elastic component 6 of installation of elastic component 6, and makes things convenient for the production installation of bed guardrail.

One side of the inserting part 225 is provided with a positioning surface 223, the other side of the inserting part 225 is provided with a guide surface 224, the support rod 21 slides along the guide surface 224 relatively in the unfolding process of the connecting rod 221 and the folding seat 22, when the connecting rod and the folding seat are unfolded relatively, the positioning surface 223 abuts against the side wall of the inserting hole 214, and in the unfolding process of the bed guardrail, the guide surface 224 guides the support rod 21, so that the support rod 21 and the folding seat 22 can rotate relatively; when the bed guardrail is unfolded, the positioning surface 223 is abutted against the side wall of the insertion hole 214 to fix the folding seat 22 and the support rod 21 relatively, and the structure facilitates the rapid unfolding of the bed guardrail and the use by a user.

In this embodiment, it is preferable that the support rod 21 is folded towards the lower part of the folding seat 22, but when the folding seat 22 and the support rod 21 rotate relatively, the support rod 21 rotates relatively to the upright post 1, so it is preferable that the upright post 1 is provided with a connecting seat rotatably connected to the support rod 21, when the connecting rod 221 and the folding seat 22 rotate relatively, the connecting rod 221 and the connecting seat rotate relatively, and two sets of cross rods 2 are arranged between the upright posts 1, the upright post 1 is provided with connecting seats respectively connected to the two sets of cross rods 2, one set of connecting seats is detachably connected to the upright post 1, the other set of connecting seats is slidably connected to the upright post 1, the two sets of cross rods 2 can move close to each other by the relative sliding of the connecting seats and the upright post 1, the two sets of cross rods 2 are arranged to facilitate the installation of cloth on the bed guard, and because the two sets of cross rods 2 can move close to each other by the connecting seats, the volume of the bed guard after being folded is reduced, the folding and the storage of the bed guardrail are convenient.

Horizontal pole 2 includes the horizontal pole and sets up the sheer pole in last horizontal pole below, and the sheer pole is including articulated seat 7 and set up the bracing piece 21 in articulated seat 7 both sides in the description figure, and does not adopt this application beta structure, but the middle and upper horizontal poles of actual product can be the same with the sheer pole structure, and this technical scheme can be understood according to description content and description figure to the technical staff in the field.

The connecting seat includes can dismantle the first connecting seat 3 of being connected and the second connecting seat 4 with 1 sliding connection of stand with stand 1, be provided with spout 41 on the second connecting seat 4, stand 1 wears to establish in spout 41, be provided with joint button 11 on the stand 1, be provided with on the second connecting seat 4 with joint button 11 complex draw-in groove 42, simple structure, convenient to use person controls two sets of horizontal poles 2 and draws close each other and fold the collection, in this embodiment be provided with drive joint button 11 and draw-in groove 42 complex reset spring 12 on the stand 1, still slide on the stand 1 and be provided with support button 13, during the use, second connecting seat 4 lower extreme supports and leans on support button 13, and is provided with drive support button 13 on the stand 1 and moves reset spring 12 to the 4 lower extremes of second connecting seat.

Bracing piece 21 includes the body of rod, and body of rod one end is provided with the installation head 213 of being connected with folding seat 22, and installation head 213 passes through the fastener to be fixed on bracing piece 21, and the body of rod other end can be dismantled and be provided with the connector 211 of being connected with second connecting seat 4, is provided with the elasticity button on the bracing piece 21, and the elasticity button passes bracing piece 21 and connector 211 and makes bracing piece 21 and connector 211 relatively fixed.

The utility model discloses in be provided with first location wall 33 on the second connecting seat 4 and the axis of rotation 31 of being connected with bracing piece 21, first location wall 33 extends to axis of rotation 31 below, be provided with on the bracing piece 21 with first location wall 33 complex second location wall 212, when folding seat 22 and bracing piece 21 expand relatively, first location wall 33 supports tightly on second location wall 212, this structure is favorable to supporting bracing piece 21 through second connecting seat 4, be favorable to avoiding buckling downwards of bracing piece 21 in the use.

Be provided with on the first connecting seat 3 and rotate groove 32, axis of rotation 31 is worn to establish in rotating groove 32, be provided with two sets of first location walls 33 on the first connecting seat 3, two sets of first location walls 33 set up both sides about axis of rotation 31 respectively, and two sets of first location walls 33 set up respectively in bracing piece 21 both sides, bracing piece 21 supports and leans on two sets of first location walls 33 and makes bracing piece 21 and stand 1 keep the state of expanding, two sets of first location walls 33 are favorable to increasing the area of contact of first connecting seat 3 and bracing piece 21, improve the stability of horizontal pole 2 installation.

Bracing piece 21 need not carry out relative rotation with the connecting seat when bracing piece 21 is folding to folding seat 22 side, this moment preferred bracing piece 21 and connecting seat relatively fixed, and horizontal pole 2 includes horizontal pole and sheer pole this moment, and two sets of horizontal pole structures are the same, and the connecting seat includes first connecting seat 3 and second connecting seat 4 to make horizontal pole and sheer pole draw close each other.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. The utility model provides a bed guardrail of each other calorie of beta structure, includes folding horizontal pole (2), horizontal pole (2) both sides set up stand (1) that are used for supporting horizontal pole (2), its characterized in that: the cross rod (2) comprises a folding seat (22) and a support rod (21) movably arranged on the folding seat (22), a connecting rod (221) connected with the folding seat (22) is arranged on the support rod (21), the support rod (21) can rotate relative to the folding seat (22) around the connecting rod (221), an inserting portion (225) and an inserting hole (214) matched with the inserting portion (225) are respectively arranged on the folding seat (22) and the support rod (21), the inserting portion (225) is matched with the inserting hole (214) to limit the relative rotation of the connecting rod (221) and the folding seat (22), a movable groove (222) matched with the connecting rod (221) is arranged on the folding seat (22), and the connecting rod (221) slides in the movable groove (222) to enable the inserting portion (225) to be separated from the inserting hole (214) and enable the connecting rod (221) to rotate relative to the folding seat (22).

2. The bed guardrail of an interfitting folding structure as claimed in claim 1, wherein: the support rod (21) extends towards the folding seat (22) to form a connecting part (215), a placing groove (226) matched with the connecting part (215) is formed in the folding seat (22), a third positioning wall (216) is arranged on the side face of the connecting part (215), and the third positioning wall (216) abuts against the side wall of the placing groove (226) and limits the relative rotation of the connecting rod (221) and the folding seat (22).

3. The bed guardrail of an interfitting folding structure as claimed in claim 1 or 2, wherein: the folding seat (22) is provided with an elastic piece (6), and the elastic piece (6) drives the connecting rod (221) to reset and enables the insertion part (225) to be matched with the insertion hole (214) in a maintaining mode.

4. A bed guardrail of an interfitting folding structure as claimed in claim 3, wherein: the elastic piece (6) is arranged in the movable groove (222), one end of the elastic piece (6) abuts against the end part of the movable groove (222), and the other end of the elastic piece (6) abuts against the connecting rod (221).

5. The bed guardrail of an interfitting folding structure as claimed in claim 1, 2 or 4, wherein: one side of the inserting part (225) is provided with a positioning surface (223), the other side of the inserting part (225) is provided with a guide surface (224), the support rod (21) slides along the guide surface (224) relatively in the unfolding process of the connecting rod (221) and the folding seat (22), and when the connecting rod and the folding seat are unfolded relatively, the positioning surface (223) is abutted against the side wall of the inserting hole (214).

6. The bed guardrail of the interfolding structure of claim 1, 2 or 4, wherein: be provided with on stand (1) and rotate the connecting seat of being connected with bracing piece (21), during connecting rod (221) and folding seat (22) and relative rotation, connecting rod (221) and connecting seat rotate relatively, just be provided with two sets of horizontal poles (2) between stand (1), be provided with the connecting seat of being connected with two sets of horizontal poles (2) respectively on stand (1), a set of connecting seat can be dismantled with stand (1) and be connected, another group's connecting seat and stand (1) sliding connection, and two sets of horizontal poles (2) accessible connecting seat draw close each other with the relative slip of stand (1).

7. The bed guardrail of an interfitting folding structure of claim 6, wherein: the connecting seat includes first connecting seat (3) of being connected and second connecting seat (4) with stand (1) sliding connection with stand (1) can dismantle, be provided with joint button (11) on stand (1), be provided with on second connecting seat (4) with joint button (11) complex draw-in groove (42).

8. The bed guardrail of an interfitting folding structure of claim 7, wherein: the rotary supporting device is characterized in that a rotary groove (32) is formed in the first connecting seat (3), the rotary shaft (31) penetrates through the rotary groove (32), two groups of first positioning walls (33) are arranged on the connecting seat, the two groups of first positioning walls (33) are arranged on the upper side and the lower side of the rotary shaft (31) respectively, the two groups of first positioning walls (33) are arranged on the two sides of the supporting rod (21) respectively, and the supporting rod (21) is abutted against the two groups of first positioning walls (33) and enables the supporting rod (21) and the stand column (1) to be kept in an unfolded state.

9. The bed guardrail of an interfitting folding structure as claimed in claim 7 or 8, wherein: the folding base is characterized in that a first positioning wall (33) and a rotating shaft (31) connected with the supporting rod (21) are arranged on the second connecting base (4), the first positioning wall (33) extends towards the lower portion of the rotating shaft (31), a second positioning wall (212) matched with the first positioning wall (33) is arranged on the supporting rod (21), and when the folding base (22) and the supporting rod (21) are unfolded relatively, the first positioning wall (33) abuts against the second positioning wall (212).

10. The bed guardrail of the interfolding structure of claim 9, wherein: the support rod (21) comprises a rod body, and two ends of the rod body are respectively provided with a connector (211) rotatably connected with the connecting seat and an installation head (213) connected with the folding seat (22).

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