CN216754037U - Novel bed guardrail of mutual card beta structure - Google Patents

Abstract

The utility model belongs to the technical field of bed guardrails, in particular to a bed guardrail with a novel mutually-clamped folding structure, which comprises a foldable cross bar, wherein two sides of the cross bar are provided with stand columns for supporting the cross bar, the cross bar comprises a folding seat and a support bar movably arranged on the folding seat, the support bar is provided with a connecting bar connected with the folding seat, the support bar can rotate relative to the folding seat around the connecting bar, the support bar is provided with a positioning groove, the folding seat is provided with a movable groove, a positioning bar matched with the positioning groove is arranged in the movable groove, the folding seat is also provided with an elastic piece, and the elastic piece drives the positioning bar to be matched with the positioning groove and enables the connecting bar and the folding seat to be relatively fixed.

Description

Novel bed guardrail of mutual card beta structure

Technical Field

The utility model belongs to the technical field of bed guardrails/bed fences, and particularly relates to a novel bed guardrail with a mutually-clamped folding 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 defects in the prior art, the utility model aims to provide a novel bed guardrail with a mutually-clamped folding structure, which is convenient to store and transport and is convenient for a user to use.

The purpose of the utility model is realized by the following steps:

the utility model provides a novel bed guardrail of folding structure mutually blocks, 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 movable bracing piece that sets up on folding seat, is provided with the connecting rod of being connected with folding seat on the bracing piece, and the bracing piece can rotate relatively with folding seat around the connecting rod, is provided with the constant head tank on the bracing piece, is provided with movable groove on the folding seat, be provided with in the movable groove with constant head tank complex locating lever, still is provided with the elastic component on the folding seat, and elastic component drive locating lever and constant head tank cooperation make connecting rod and folding seat can relatively fixed.

Preferably, the two sides of the folding seat are provided with support rods, the folding seat is provided with two groups of positioning rods which are respectively matched with the support rods on the two sides, the elastic piece is arranged between the two groups of positioning rods, and the two ends of the elastic piece respectively abut against the two groups of positioning rods and drive the two groups of positioning rods to be respectively matched with the positioning grooves.

Preferably, the support rod is provided with a guide inclined surface, and the guide inclined surface drives the positioning rod to move and enables the positioning rod to be matched with the positioning groove in the process that the folding seat and the support rod are unfolded relatively.

Preferably, the folding seat is provided with a hinge groove, the support rod is provided with a hinge part matched with the hinge groove, the connecting rod penetrates through the hinge part and enables the hinge part to be rotatably arranged in the hinge groove, the hinge part is provided with a third positioning surface, the folding seat and the support rod are relatively unfolded when the third positioning surface is abutted against the side wall of the hinge groove, and the third positioning surface and the guide inclined surface are respectively arranged on two sides of the connecting rod.

Preferably, the two sides of the hinged portion are provided with fourth positioning surfaces, the two sides of the end portion of the hinged groove are provided with abutting surfaces matched with the fourth positioning surfaces, when the folding seat and the supporting rod are unfolded relatively, the fourth positioning surfaces abut against the abutting surfaces, the two sides of the end portion of the hinged groove are also provided with clearance avoiding surfaces, and when the folding seat and the supporting rod are folded relatively, the fourth positioning surfaces rotate on one side of the clearance avoiding surfaces.

Preferably, the elastic part is a cylindrical compression spring, two sides of the hinge groove are both sunken to form a placement groove, and two sides of the cylindrical compression spring respectively enter the placement groove.

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.

Compared with the prior art, the utility model has the outstanding and beneficial technical effects that:

1. the folding seat and the support rod are connected in a rotating mode, so that the whole bed guardrail can be folded without being disassembled, the stand columns can be mutually closed, the packaging volume of the bed guardrail is reduced, the installation-free function of a bed guardrail main body is achieved, the convenient and fast assembling and disassembling experience of a user is improved, in addition, the folding seat and the support rod are relatively fixed through the positioning groove and the positioning rod movably arranged in the movable groove, the accidental folding of the bed guardrail in the using process is favorably avoided, and the safety of the bed guardrail is favorably improved.

2. The two sides of the folding seat are provided with the supporting rods, the folding seat is provided with two groups of positioning rods which are respectively matched with the supporting rods on the two sides, the elastic piece is arranged between the two groups of positioning rods, two ends of the elastic piece respectively abut against the two groups of positioning rods and drive the two groups of positioning rods to be respectively matched with the positioning grooves, and the structure simultaneously drives the two groups of positioning rods to reset through the elastic piece, so that the production cost is saved, and the bed guardrail structure is simplified.

3. The support rod is provided with the guide inclined plane, the guide inclined plane drives the positioning rod to move and enables the positioning rod to be matched with the positioning groove in the process that the folding seat and the support rod are unfolded relatively, and the guide inclined plane is favorable for fast unfolding of the folding seat and the support rod and is convenient for a user to use.

4. In the utility model, the hinge part is provided with a third positioning surface, the folding seat and the supporting rod are relatively unfolded when the third positioning surface is abutted against the side wall of the hinge groove, the third positioning surface and the guide inclined plane are respectively arranged at two sides of the connecting rod, the two sides of the hinge part are both provided with fourth positioning surfaces, two sides of the end part of the hinge groove are provided with abutting surfaces matched with the fourth positioning surfaces, when the folding seat is relatively unfolded with the supporting rod, the fourth positioning surfaces are abutted against the abutting surfaces, and the two sides of the end part of the hinge groove are also provided with clearance surfaces, when the folding seat is relatively folded with the supporting rod, the fourth positioning surfaces rotate at one side of the clearance surfaces, in the structure, the folding seat and the supporting rod are mutually positioned through the third positioning surfaces and the fourth positioning surfaces, the folding seat and the supporting rod are favorably and rapidly unfolded, and when the transverse rod is stressed, the third positioning surfaces and the fourth positioning surfaces can disperse the relative acting force of the folding seat and the supporting rod, the damage of the folding seat and the supporting rod caused by stress concentration is avoided; the elastic component is a cylindrical compression spring, the two sides of the hinge groove are all sunken to form a placement groove, the two sides of the cylindrical compression spring respectively enter the placement groove, and the placement groove is arranged on the two sides of the hinge groove, so that the cylindrical compression spring can be always matched with the placement groove in the use process, and the cylindrical compression spring is prevented from being accidentally separated from the connecting rod in the use process.

5. The connecting seats rotatably connected with the supporting rods are arranged on the stand columns, when the connecting rods and the folding seats rotate relatively, the connecting rods and the connecting seats rotate relatively, two groups of cross rods are arranged between the stand columns, the connecting seats respectively connected with the two groups of cross rods are arranged on the stand columns, one group of connecting seats are detachably connected with the stand columns, the other group of connecting seats are slidably connected with the stand columns, the two groups of cross rods can be drawn close to each other through the relative sliding of the connecting seats and the stand columns, the arrangement of the two groups of cross rods is favorable for installing cloth on bed guardrails, and the two groups of cross rods can be drawn close to each other through the connecting seats, so that the volume of the folded bed guardrails is favorably reduced, and the bed guardrails are convenient to fold and store; 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.

6. The first 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; be provided with first location wall on the second connecting seat and the axis of rotation of being connected with the bracing piece, 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 and bracing piece expand relatively, first location wall supports tightly on second location wall, and 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 view of the present invention;

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

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

FIG. 4 is a sectional view of a connection structure of a support bar and a folding seat in the present invention;

FIG. 5 is a sectional view of the folding state of the support pole and the folding seat of the present invention;

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

FIG. 7 is a cross-sectional view of a folding base of the present invention;

FIG. 8 is a schematic view showing the structure of a mounting head in the present invention;

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

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

FIG. 11 is a schematic view of a first connecting seat according to the present invention;

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

In the figure: 1-upright column; 11-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 positioning groove; 215-a third orientation surface; 216-a guide ramp; 217-hinge; 218-a pressing surface; 221-connecting rod; 222-a hinge hole; 223-hinge groove; 224-active slot; 225-a placement groove; 226-avoidance of air; 227-a fourth locating surface; 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-positioning the rod; 6-an elastic member; 7-hinged seat.

Detailed Description

The utility model is further described in the following with specific embodiments in conjunction with the accompanying drawings:

referring to fig. 1 to 12, a bed guardrail with a novel mutually-clamped folding structure comprises a foldable cross bar 2, upright posts 1 for supporting the cross bar 2 are arranged at two sides of 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, a connecting bar 221 connected with the folding seat 22 is arranged on the support bar 21, the support bar 21 can rotate relative to the folding seat 22 around the connecting bar 221, a positioning groove 214 is arranged on the support bar 21, a movable groove 224 is arranged on the folding seat 22, a positioning bar 5 matched with the positioning groove 214 is arranged in the movable groove 224, an elastic member 6 is further arranged on the folding seat 22, the elastic member 6 drives the positioning bar 5 to be matched with the positioning groove 214 and enables the connecting bar 221 and the folding seat 22 to be relatively fixed, in the structure, the whole bed guardrail can be folded without being disassembled by rotating the folding seat 22 and the support bar 21 which are connected, so that the upright posts 1 can be mutually closed, thereby reduce the packing volume of bed guardrail, reach the function that the bed guardrail main part exempted from the installation, promote the convenient experience of user's dismouting, and set up the locating lever 5 in the activity groove 224 through constant head tank 214 and activity in this structure and make folding seat 22 and bracing piece 21 relatively fixed, be favorable to avoiding the unexpected folding of bed guardrail in the use, be favorable to improving the security of bed guardrail, in this embodiment be provided with the hinge hole 222 of installation connecting rod 221 on the folding seat 22.

The supporting rod 21 is folded towards the lower part of the folding seat 22 in the utility model, but the supporting rod 21 can be folded towards the upper part or the lower part of the folding seat 22, the supporting rod 21 can also be folded towards the front side and the rear side of the folding seat 22, the structure of the supporting rod 21 is identical to that of the utility model, and the protection scope of the utility model is also included, the attached drawings of the utility model, fig. 1 to fig. 11, are schematic structural diagrams of the supporting rod 21 towards the lower part of the folding seat 22, the attached drawings of the description, fig. 12, are schematic structural diagrams of the supporting rod 21 towards the side surface of the folding seat 22, and the cross rod 2 in the utility model can comprise three or more groups of supporting rods 21, the supporting rods 21 are connected through the folding seat 22, and when the supporting rods 21 are folded, the supporting rods 21 are mutually closed.

In this embodiment the folding seat 22 both sides all are provided with bracing piece 21, and be provided with on the folding seat 22 two sets of respectively with both sides bracing piece 21 complex locating lever 5, elastic component 6 sets up between two sets of locating levers 5, the 6 both ends of elastic component support respectively lean on two sets of locating levers 5 and drive two sets of locating levers 5 respectively with the cooperation of constant head tank 214, this structure resets through two sets of locating levers 5 of 6 simultaneous drive of an elastic component, be favorable to practicing thrift manufacturing cost, and be favorable to simplifying the bed guardrail structure.

Preferably, the support rod 21 is provided with a guide inclined surface 216, the guide inclined surface 216 drives the positioning rod 5 to move and enables the positioning rod 5 to be matched with the positioning groove 214 in the process that the folding seat 22 and the support rod 21 are unfolded relatively, and the guide inclined surface 216 is beneficial to fast unfolding of the folding seat 22 and the support rod 21 and is convenient for a user to use.

The folding seat 22 is provided with a hinge groove 223, the support rod 21 is provided with a hinge portion 217 matched with the hinge groove 223, the connecting rod 221 penetrates through the hinge portion 217 to enable the hinge portion 217 to be rotatably arranged in the hinge groove 223, the hinge portion 217 is provided with a third positioning surface 215, the folding seat 22 and the support rod 21 are relatively unfolded when the third positioning surface 215 is tightly abutted to the side wall of the hinge groove 223, the third positioning surface 215 and the guide inclined surface 216 are respectively arranged on two sides of the connecting rod 221, the folding seat 22 and the support rod 21 are mutually positioned through the third positioning surface 215 in the structure, the folding seat 22 and the support rod 21 are favorably and rapidly unfolded, the third positioning surface 215 can disperse the relative acting force of the folding seat 22 and the support rod 21 when the cross rod 2 is stressed, and the damage to the folding seat 22 and the support rod 21 caused by stress concentration is avoided.

Preferably, the two sides of the hinge portion 217 are both provided with fourth positioning surfaces 227, the two sides of the end portion of the hinge groove 223 are provided with abutting surfaces 218 adapted to the fourth positioning surfaces 227, when the folding seat 22 and the support rod 21 are relatively unfolded, the fourth positioning surfaces 227 abut against the abutting surfaces 218, the two sides of the end portion of the hinge groove 223 are also provided with clearance surfaces 226, when the folding seat 22 and the support rod 21 are relatively folded, the fourth positioning surfaces 227 rotate on one side of the clearance surfaces 226, the fourth positioning surfaces 227 are beneficial to dispersing the relative acting force of the folding seat 22 and the support rod 21, damage to the folding seat 22 and the support rod 21 caused by stress concentration is avoided, and the clearance surfaces 226 are beneficial to avoiding interference when the folding seat 22 and the support rod 21 are relatively rotated, so as to facilitate turning and folding of the support rod 21.

In this embodiment the elastic component 6 is a cylindrical compression spring, and the hinge groove 223 both sides are all sunken to form the settling groove 225, and the cylindrical compression spring both sides get into respectively in the settling groove 225, because the settling groove 225 sets up in hinge groove 223 both sides, the cylindrical compression spring can cooperate with the settling groove 225 all the time in the use, avoids the cylindrical compression spring to break away from with the connecting rod 221 accident in the use.

In this embodiment, 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 the connecting seats respectively connected to the two sets of cross rods 2, one set of connecting seat is detachably connected to the upright post 1, the other set of connecting seat 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 seat 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 can be reduced, the folding and the storage of the bed guardrail are convenient.

The cross bar 2 comprises an upper cross bar 2 and a lower cross bar 2 arranged below the upper cross bar 2, the lower cross bar 2 comprises a hinge seat 7 and support bars 21 arranged on two sides of the hinge seat 7 in the attached drawings, the folding structure is not adopted, but the upper cross bar 2 and the lower cross bar 2 can have the same structure in actual products, and a person skilled in the art can understand the technical scheme according to the content of the description and the attached drawings of the description.

The connecting seat includes can dismantle the first connecting seat 3 of being connected and the second connecting seat 4 with stand 1 sliding connection 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 the reset spring 12 that drive support button 13 moved to second connecting seat 4 lower extreme on the stand 1.

The 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.

According to the utility model, the second connecting seat 4 is provided with the first positioning wall 33 and the rotating shaft 31 connected with the supporting rod 21, the first positioning wall 33 extends towards the lower part of the rotating shaft 31, the supporting rod 21 is provided with the second positioning wall 212 matched with the first positioning wall 33, when the folding seat 22 and the supporting rod 21 are relatively unfolded, the first positioning wall 33 is tightly propped against the second positioning wall 212, and the structure is favorable for supporting the supporting rod 21 through the second connecting seat 4 and avoiding the downward bending of the supporting rod 21 in the use process.

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 2 horizontal poles include horizontal pole 2 and sheer pole 2 this moment, and two sets of horizontal poles 2 structures are the same, and the connecting seat also includes first connecting seat 3 and second connecting seat 4 to make horizontal pole 2 and sheer pole 2 can draw close each other.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.

Claims (10)

1. The utility model provides a novel bed guardrail of folding structure of mutually blocking, 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), a positioning groove (214) is formed in the support rod (21), a movable groove (224) is formed in the folding seat (22), a positioning rod (5) matched with the positioning groove (214) is arranged in the movable groove (224), an elastic piece (6) is further arranged on the folding seat (22), and the elastic piece (6) drives the positioning rod (5) to be matched with the positioning groove (214) and enables the connecting rod (221) and the folding seat (22) to be fixed relatively.

2. The novel bed guardrail of mutual clamping folding structure as claimed in claim 1, wherein: the folding seat is characterized in that supporting rods (21) are arranged on two sides of the folding seat (22), two groups of positioning rods (5) which are matched with the supporting rods (21) on the two sides are arranged on the folding seat (22), the elastic piece (6) is arranged between the two groups of positioning rods (5), and two ends of the elastic piece (6) are respectively abutted against the two groups of positioning rods (5) and drive the two groups of positioning rods (5) to be respectively matched with the positioning grooves (214).

3. The novel bed guardrail of mutual clamping folding structure as claimed in claim 1 or 2, wherein: the support rod (21) is provided with a guide inclined plane (216), and the guide inclined plane (216) drives the positioning rod (5) to move and enables the positioning rod (5) to be matched with the positioning groove (214) in the relative unfolding process of the folding seat (22) and the support rod (21).

4. The novel bed guardrail of mutual clamping folding structure as claimed in claim 3, wherein: the folding seat (22) is provided with a hinge groove (223), the supporting rod (21) is provided with a hinge portion (217) matched with the hinge groove (223), the connecting rod (221) penetrates through the hinge portion (217) and enables the hinge portion (217) to be rotatably arranged in the hinge groove (223), the hinge portion (217) is provided with a third positioning surface (215), the folding seat (22) and the supporting rod (21) are oppositely unfolded when the third positioning surface (215) abuts against the side wall of the hinge groove (223), and the third positioning surface (215) and the guide inclined surface (216) are respectively arranged on two sides of the connecting rod (221).

5. The novel bed guardrail of mutual clamping folding structure as claimed in claim 4, wherein: the two sides of the hinge portion (217) are provided with fourth positioning surfaces (227), the two sides of the end portion of the hinge groove (223) are provided with abutting surfaces (218) matched with the fourth positioning surfaces (227), when the folding seat (22) and the supporting rod (21) are unfolded relatively, the fourth positioning surfaces (227) abut against the abutting surfaces (218), the two sides of the end portion of the hinge groove (223) are further provided with clearance avoiding surfaces (226), and when the folding seat (22) and the supporting rod (21) are folded relatively, the positioning surfaces rotate on one side of the clearance avoiding surfaces (226).

6. The novel bed guardrail of mutual clamping folding structure as claimed in claim 4 or 5, wherein: elastic component (6) are cylinder compression spring, and hinge groove (223) both sides are all sunken to form arrangement groove (225), and cylinder compression spring both sides get into respectively in arrangement groove (225).

7. The novel bed guardrail of mutual clamping folding structure as claimed in claim 1, 2, 4 or 5, 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).

8. The novel bed guardrail of mutual clamping folding structure as claimed in 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 novel bed guardrail of mutual clamping folding structure as claimed in claim 8, wherein: be provided with on first connecting seat (3) and rotate groove (32), axis of rotation (31) are worn to establish in rotating groove (32), are provided with two sets of first location wall (33) on the connecting seat, and two sets of first location wall (33) set up both sides about axis of rotation (31) respectively, and just two sets of first location wall (33) set up respectively in bracing piece (21) both sides, and bracing piece (21) support and lean on two sets of first location wall (33) and make bracing piece (21) and stand (1) keep the expansion state.

10. The novel bed guardrail of mutual clamping folding structure as claimed in claim 8 or 9, 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).

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