CN217644916U - Folding bed guard bar - Google Patents

Abstract

The utility model belongs to the technical field of bed guardrail, refer in particular to a foldable bed guardrail, including folding horizontal pole, the horizontal pole both sides set up the stand that is used for supporting the horizontal pole, the horizontal pole includes the hinge and sets up the bracing piece in the hinge both sides, the hinge includes first rotation head and the second rotation head of being connected with the both sides bracing piece respectively, first rotation head rotates the head with the second and passes through the hinge rotation and be connected, the second rotates overhead locating hole that is provided with, first rotation overhead be provided with locating hole complex lock piece and drive lock piece and locating hole complex elastic component, the lock piece makes first rotation head and second rotation head relatively fixed with the locating hole cooperation, the utility model aims at providing a convenient to use, easy operation and the firm in structure foldable bed guardrail.

Description

Folding bed guard bar

Technical Field

The utility model belongs to the technical field of bed guardrail/bed rail, refer in particular to a foldable bed guardrail.

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 in the prior art, the utility model aims at providing a convenient to use, easy operation and sound construction's foldable bed guardrail, the trade company can sell for the consumer after the bed guardrail that complete assembly or main part equipment were accomplished is folding, unnecessary 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:

folding bed guardrail, including folding horizontal pole, the horizontal pole both sides set up the stand that is used for supporting the horizontal pole, the horizontal pole includes the articulated joint and sets up the bracing piece in the articulated joint both sides, the articulated joint includes first rotation head and the second rotation head of being connected with the bracing piece of both sides respectively, first rotation head passes through the articulated joint pole with the second rotation head and rotates and be connected, the overhead locating hole that is provided with is rotated to the second, first rotation overhead be provided with locating hole complex locking piece and drive locking piece and locating hole complex elastic component, locking piece and locating hole cooperation make first rotation head and second rotate first relatively fixed.

Preferably, the first rotating head is provided with a hinge hole for installing the hinge rod and a mounting hole for installing the locking piece, the locking piece is arranged in the mounting hole in a sliding mode, the center line of the hinge hole is parallel to the center line of the mounting hole, the locking piece is provided with a clamping portion, and the clamping portion is matched with the positioning hole and exposed outside through the positioning hole.

Preferably, the locking piece comprises a clamping portion matched with the clamping hole and a sliding portion in sliding connection with the mounting hole, the clamping portion and the sliding portion are connected in a convex shape, and the diameter of the sliding portion is larger than that of the clamping portion.

Preferably, the second rotating head is further provided with a connecting groove, the connecting groove is located on one side of the positioning hole, and when the clamping portion is matched with the clamping hole, one end of the sliding portion penetrates out of the mounting hole and is matched with the connecting groove.

Preferably, the first rotating head is provided with a hinge hole for installing the hinge rod and a mounting hole for installing the locking piece, the locking piece is arranged in the mounting hole in a sliding mode, the center line of the hinge hole is perpendicular to the center line of the mounting hole, one end of the locking piece penetrates out of the first rotating head and is exposed outside, and one side of the locking piece extends towards the second rotating head to form a clamping portion matched with the positioning hole.

Preferably, the first rotating head and the second rotating head extend to form abutting walls, and the abutting walls on the first rotating head and the second rotating head abut against each other when the first rotating head and the second rotating head are relatively unfolded.

Preferably, 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 two sets of horizontal poles accessible connecting seat draw close each other with the relative slip of stand.

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 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 arranged on the upper side and the lower side of the rotating shaft respectively, the two groups of first positioning walls are arranged on the two sides of the supporting rod respectively, and the supporting rod abuts 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 hinge joint and the supporting rod are relatively unfolded, the first positioning wall is abutted against the second positioning wall.

Compared with the prior art, the utility model has the advantages that:

1. the utility model discloses a hinge that rotates the connection makes the bracing piece can fold each other and draw close, and then realize the folding of horizontal pole, make the stand draw close each other, thereby reduce the volume of bed guardrail, be convenient for accomodate the storage of bed guardrail, and with bed guardrail install the bed body 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 first rotation head and second rotation head keep the expansion state through lock in this structure with the locating hole, moreover, the steam generator is simple in structure, make things convenient for the expansion or folding of bed guardrail, and make lock and locating hole keep cooperating through the elastic component in this structure, avoid the unexpected folding of horizontal pole in the use.

2. In the utility model, the first rotating head is provided with a hinge hole for installing a hinge rod and a mounting hole for installing a locking piece, the locking piece is arranged in the mounting hole in a sliding way, the central line of the hinge hole is parallel to the central line of the mounting hole, the locking piece is provided with a clamping part, the clamping part is matched with the positioning hole and is exposed outside through the positioning hole, and the locking piece in the structure is rod-shaped, thereby being convenient for the production and processing of the locking piece; the locking piece comprises a clamping portion matched with the clamping hole and a sliding portion connected with the mounting hole in a sliding mode, the clamping portion and the sliding portion are connected in a convex mode, the diameter of the sliding portion is larger than that of the clamping portion, the sliding portion is favorable for stable movement of the locking piece, the sliding portion is favorable for preventing the locking piece from being separated from the mounting hole accidentally, and assembly and production of the bed guardrail are facilitated; the overhead spread groove that still is provided with of second rotation, the spread groove is located locating hole one side, and when joint portion and joint hole cooperation, sliding part one end was worn out and is cooperated with the spread groove in following the mounting hole, and being provided with of spread groove does benefit to the area of contact that increases locking piece and second rotation head, avoids the locking piece to damage.

3. In the utility model, the first rotating head is provided with a hinge hole for installing a hinge rod and a mounting hole for installing a locking piece, the locking piece is arranged in the mounting hole in a sliding manner, the central line of the hinge hole is perpendicular to that of the mounting hole, one end of the locking piece penetrates out of the first rotating head and is exposed outside, and one side of the locking piece extends towards the second rotating head to form a clamping part matched with the positioning hole; the first rotating head and the second rotating head are extended to form abutting walls, the abutting walls on the first rotating head and the second rotating head abut against each other when the first rotating head and the second rotating head are unfolded relatively, and the structure is favorable for quick positioning and matching of the locking piece and the positioning hole and convenient for quick unfolding of the bed guardrail.

4. The utility model is characterized in that two groups of cross rods are arranged between the stand columns, the stand columns are 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 columns, the other group of connecting seats is connected with the stand columns in a sliding way, the two groups of cross rods can be mutually drawn close through the relative sliding of the connecting seats and the stand columns, 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 mutually drawn close through the connecting seats, thereby being beneficial to reducing the volume of the bed guardrail after being folded and being convenient for the folding and storage of the bed guardrail; 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, simple structure, convenient to use person controls.

5. The connecting seat is provided with a rotating groove, the rotating shaft penetrates through the rotating groove, the connecting seat is provided with two groups of first positioning walls, 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, the supporting rod is abutted against the two groups of first positioning parts, the supporting rod and the stand column are kept in an unfolded state, the two groups of first positioning walls are beneficial to increasing the contact area of the connecting seat and the supporting rod, and the installation stability of the cross rod is improved; the utility model discloses a bracing piece, 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 the articulated joint 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.

Drawings

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

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

fig. 3 is a schematic structural diagram of a folded state according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of a hinge joint according to a first embodiment of the present invention;

fig. 5 is a schematic structural diagram of a first rotary head according to a first embodiment of the present invention;

fig. 6 is a schematic structural view of a second rotating head according to a first embodiment of the present invention;

fig. 7 is a schematic structural diagram of a hinge joint according to a second embodiment of the present invention;

fig. 8 is a cross-sectional view of a second embodiment of the joint;

fig. 9 is a schematic structural diagram of a first rotary head according to a second embodiment of the present invention;

fig. 10 is a schematic structural view of a second rotary head according to a second embodiment of the present invention;

fig. 11 is a schematic view of the mounting structure of the second connecting seat of the present invention;

fig. 12 is a sectional view of a second connecting seat mounting structure in the present invention;

fig. 13 is a schematic structural view of a second connecting seat of the present invention;

fig. 14 is a schematic structural view of a first connecting seat of the present invention;

fig. 15 is a schematic structural view of the middle connection head of the present invention.

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

21-a support bar; 22-a hinge joint; 23-a first rotating head; 24-a second rotating head; 25-a hinged lever; 26-mounting holes; 27-positioning holes; 28-connecting grooves; 29-hinge hole; 211-a connecting head;

212-a second locating wall; 213-elastic buttons; 231-abutting the wall; 241-track 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; 5-a lock; 51-a snap-in part; 52-a sliding part; 53-placing the trough; 6-an elastic member; 7-hinged seat.

Detailed Description

The invention will be further described in the following with reference to the accompanying drawings in which:

referring to fig. 1 to 15, a folding bed fence includes a folding cross bar 2, two sides of the cross bar 2 are provided with columns 1 for supporting the cross bar 2, the cross bar 2 includes a hinge joint 22 and support rods 21 arranged at two sides of the hinge joint 22, the hinge joint 22 includes a first rotating head 23 and a second rotating head 24 respectively connected with the support rods 21 at two sides, the first rotating head 23 and the second rotating head 24 are rotatably connected through a hinge rod 25, the second rotating head 24 is provided with a positioning hole 27, the first rotating head 23 is provided with a locking member 5 matched with the positioning hole 27 and an elastic member 6 for driving the locking member 5 to be matched with the positioning hole 27, the locking member 5 is matched with the positioning hole 27 to relatively fix the first rotating head 23 and the second rotating head 24, hinge 22 through rotating the connection makes bracing piece 21 can fold each other and draw close, and then realize the folding of horizontal pole 2, make stand 1 can 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 make first rotation head 23 and second rotation head 24 keep the state of expandeing through locking piece 5 and locating hole 27 in this structure, moreover, the steam generator is simple in structure, make things convenient for the expansion or folding of bed guardrail, and make locking piece 5 and locating hole 27 keep the cooperation through elastic component 6 in this structure, avoid the unexpected folding of horizontal pole 2 in the use.

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

The utility model discloses in bracing piece 21 is folding to articulated joint 22 below, but bracing piece 21 both can be folding to articulated joint 22 top or below, and bracing piece 21 also can be folding to articulated joint 22 front and back both sides, its structure with the structure is equivalent, also should contain within the protection scope, the utility model discloses a description attached drawing is bracing piece 21 to the folding structure schematic diagram in articulated joint 22 below, just the utility model discloses well horizontal pole 2 can include three groups and above three groups bracing piece 21, connects through articulated joint 22 between the bracing piece 21, during folding, and bracing piece 21 draws close each other.

The hinge joint 22 of the present invention has two embodiments:

the first embodiment is as follows:

in this embodiment, the first rotating head 23 is provided with the hinge hole 29 for installing the hinge rod 25 and the installation hole 26 for installing the locking member 5, the elastic member 6 is disposed in the installation hole 26, the locking member 5 is slidably disposed in the installation hole 26, the center line of the hinge hole 29 is parallel to the center line of the installation hole 26, the locking member 5 is provided with the clamping portion 51, the clamping portion 51 is matched with the positioning hole 27 and exposed outside through the positioning hole 27, the locking member 5 is rod-shaped in the structure, so that the locking member 5 can be conveniently produced and processed, in this embodiment, the elastic member 6 is a compression spring, the locking member 5 is provided with the installation groove 53, one end of the compression spring is inserted into the installation groove 53, and the second rotating head 24 is also provided with the hinge hole 29 for installing the hinge rod 25.

Locking piece 5 include with joint hole complex joint portion 51 and with mounting hole 26 sliding connection's sliding part 52, joint portion 51 is connected with sliding part 52 and is "protruding" shape, and sliding part 52 diameter is greater than joint portion 51 diameter, and sliding part 52 sets up the steady motion that is favorable to locking piece 5, and sliding part 52 is favorable to avoiding locking piece 5 unexpected follow mounting hole 26 to break away from, the equipment production of the bed guardrail of being convenient for.

Preferably, the second rotating head 24 is further provided with a connecting groove 28, the connecting groove 28 is located on one side of the positioning hole 27, when the clamping portion 51 is matched with the clamping hole, one end of the sliding portion 52 penetrates out of the mounting hole 26 and is matched with the connecting groove 28, and the connecting groove 28 is arranged to facilitate increasing the contact area between the locking member 5 and the second rotating head 24, so that the locking member 5 is prevented from being damaged.

Example two:

in this embodiment, the first rotating head 23 is provided with a hinge hole 29 for installing the hinge rod 25 and a mounting hole 26 for installing the locking member 5, the elastic member 6 is disposed in the mounting hole 26, the locking member 5 is slidably disposed in the mounting hole 26, a center line of the hinge hole 29 is perpendicular to a center line of the mounting hole 26, one end of the locking member 5 penetrates through the first rotating head 23 and is exposed outside, and one side of the locking member 5 extends toward the second rotating head 24 to form a clamping portion 51 matched with the positioning hole 27, the structure enables the locking member 5 to penetrate through the upper and lower sides of the hinge head 22 and penetrate through the front and rear sides of the hinge head 22 relative to the locking member 5, the locking member 5 in the structure is less prone to being touched, and the locking member 5 is prevented from being touched by mistake to cause the bed guardrail to be folded accidentally, and the hinge hole 29 for installing the hinge rod 25 is also disposed on the second rotating head 24 in this embodiment.

The second rotating head 24 is further provided with a rail groove 241, the positioning hole 27 is disposed at one side of the rail groove 241 and is communicated with the fixing groove, when the first rotating head 23 and the second rotating head 24 rotate relatively, the clamping portion 51 firstly separates from the positioning hole 27 and enters the rail groove 241, and then the clamping portion 51 slides relatively in the rail groove 241.

In this embodiment, it is preferable that the mounting hole 26 is disposed below the first rotating head 23, the locking member 5 penetrates out from below the first rotating head 23 and is exposed outside, and the locking member 5 penetrating out from below the first rotating head 23 is beneficial to avoiding accidental touch of the locking member 5, and is beneficial to improving safety of bed guardrails.

The first rotating head 23 and the second rotating head 24 are extended to form abutting walls 231, the abutting walls 231 on the first rotating head 23 and the second rotating head 24 abut against each other when the first rotating head 23 and the second rotating head 24 are unfolded relatively, and the structure is favorable for quick positioning and matching of the locking piece 5 and the positioning hole 27 and quick unfolding of the bed guardrail.

Set up two sets of horizontal poles 2 between the stand 1, install the cloth between two sets of horizontal poles 2, be provided with the connecting seat of being connected with two sets of horizontal poles 2 respectively on the 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, two sets of horizontal pole 2 accessible connecting seats draw close each other with stand 1's relative slip, two sets of horizontal poles 2 can draw close each other in this structure, are favorable to reducing the volume after the bed guardrail is folded, make things convenient for folding of bed guardrail to accomodate.

Horizontal pole 2 includes horizontal pole 2 and sets up horizontal bar 2 in the 2 below of horizontal pole, and horizontal pole 2 rotates with articulated seat 7 respectively including articulated seat 7 and the bracing piece 21 of setting in articulated seat 7 both sides in the description figure, bracing piece 21, but horizontal pole 2 can be the same with horizontal pole 2 structure in the actual product, 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 joint button 11 on the stand 1, be provided with on the second connecting seat 4 with 11 complex draw-in grooves 42 of joint button, simple structure, convenient to use person controls, be provided with spout 41 on the second connecting seat 4, the cover of spout 41 is established on stand 1, goes up horizontal pole 2 through second connecting seat 4 and 1 sliding connection of stand, and the sheer pole 2 is through first connecting seat 3 and stand 1 relatively fixed, in this embodiment be provided with reset spring 12 among the stand 1, reset spring 12 drive joint button 11 and the cooperation of draw-in grooves 42, and preferred be provided with support button 13 on the stand 1, second connecting seat 4 supports and leans on support button 13 upper ends when joint button 11 cooperates with draw-in grooves 42.

One end of the support rod 21 is connected with the hinge joint 22, the other end of the support rod 21 is detachably provided with a connector 211 connected with the second connecting seat 4, the support rod 21 is provided with an elastic button 213, and the elastic button 213 penetrates through the support rod 21 and the connector 211 and enables the support rod 21 and the connector 211 to be 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 articulated joint 22 expandes with bracing piece 21 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 expansion state, 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.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (10)

1. Folding bed guardrail, including 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 hinge joint (22) and support rods (21) arranged on two sides of the hinge joint (22), the hinge joint (22) comprises a first rotating head (23) and a second rotating head (24) which are respectively connected with the support rods (21) on the two sides, the first rotating head (23) and the second rotating head (24) are rotatably connected through a hinge rod (25), a positioning hole (27) is formed in the second rotating head (24), a locking piece (5) matched with the positioning hole (27) and an elastic piece (6) matched with the positioning hole (27) and driving the locking piece (5) are arranged on the first rotating head (23), and the locking piece (5) is matched with the positioning hole (27) to enable the first rotating head (23) and the second rotating head (24) to be relatively fixed.

2. The folding bed fence of claim 1, wherein: be provided with hinge hole (29) of installation hinge bar (25) and installation hole (26) of installation locking piece (5) on first rotary head (23), locking piece (5) slide to set up in installation hole (26), the central line of hinge hole (29) and the central line parallel arrangement of installation hole (26), be provided with joint portion (51) on locking piece (5), joint portion (51) and locating hole (27) cooperation and expose outside through locating hole (27).

3. The folding bed fence of claim 2, wherein: locking piece (5) including with joint hole complex joint portion (51) and with mounting hole (26) sliding connection's sliding part (52), joint portion (51) are connected with sliding part (52) and are "protruding" shape, and sliding part (52) diameter is greater than joint portion (51) diameter.

4. The folding bed fence of claim 3, wherein: still be provided with connecting groove (28) on second rotating head (24), connecting groove (28) are located locating hole (27) one side, and when joint portion (51) and the cooperation of joint hole, sliding part (52) one end was worn out and is cooperated with connecting groove (28) in following mounting hole (26).

5. The folding bed fence of claim 1 wherein: be provided with hinge hole (29) of installation hinge bar (25) and installation hole (26) of installation locking piece (5) on first rotating head (23), locking piece (5) slide to set up in installation hole (26), the central line of hinge hole (29) sets up with the central line of installation hole (26) is perpendicular, wear out and expose outside in first rotating head (23) of locking piece (5) one end, and locking piece (5) one side second rotates head (24) and extends and form joint portion (51) with locating hole (27) complex.

6. The folding bed fence of claim 5, wherein: the first rotating head (23) and the second rotating head (24) extend to form abutting walls (231), and the abutting walls (231) on the first rotating head (23) and the second rotating head (24) abut against each other when the first rotating head (23) and the second rotating head (24) are unfolded relatively.

7. A folding bed fence according to claim 1 or 2 or 3 or 4 or 5 or 6 wherein: be provided with two sets of horizontal pole (2) between stand (1), be provided with the connecting seat of being connected with two sets of horizontal pole (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 pole (2) accessible connecting seat draw close each other with the relative slip of stand (1).

8. The folding bed fence of claim 7, 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).

9. The folding bed fence of claim 8, wherein: the connecting seat is provided with a rotating groove (32), the rotating shaft (31) penetrates through the rotating groove (32), two groups of first positioning walls (33) are arranged on the connecting seat, the two groups of first positioning walls (33) are respectively arranged on the upper side and the lower side of the rotating shaft (31), the two groups of first positioning walls (33) are respectively arranged on the two sides of the supporting rod (21), and the supporting rod (21) is abutted against the two groups of first positioning walls (33) and enables the supporting rod (21) and the upright post (1) to be kept in an unfolded state.

10. A folding bed guardrail according to claim 8 or 9, characterized in that: the hinge 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 seat (4), the first positioning wall (33) extends towards the lower part 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 hinge joint (22) and the supporting rod (21) are relatively unfolded, the first positioning wall (33) abuts against the second positioning wall (212).

Images