CN213247954U - Bed guardrail capable of being turned and folded - Google Patents

Abstract

The utility model discloses a folding bed guardrail can overturn, including two pole settings and first horizontal pole, the pole setting is connected through the slip subassembly that can reciprocate with first horizontal pole, the slip subassembly includes first vertical sleeve pipe, rotor arm and first horizontal sleeve pipe, first vertical sleeve pipe cover is established in the pole setting and can be followed the pole setting and slided from top to bottom, first vertical sheathed tube side from top to bottom be equipped with in proper order with first horizontal pole parallel distribution's joint portion and pivot portion, the one end and the pivot portion swivelling joint of rotor arm, the other end of rotor arm is equipped with the draw-in groove with joint portion adaptation, first horizontal sleeve pipe is connected in the one end of keeping away from pivot portion to the rotor arm, first horizontal sleeve pipe cup joints with the tip of first horizontal pole. After the first cross rod is descended, the first cross rod is directly overturned to a height lower than or equal to the height of the mattress through rotating the rotating arm, so that the stumbling of feet, the buttocks and the deformation are avoided, the structure is simple, the stability is good, the disassembly, the separation and the assembly are not needed, the assembly is convenient, and the use experience of consumers is better.

Description

Bed guardrail capable of being turned and folded

Technical Field

The utility model relates to a bed guardrail technical field especially relates to a folding bed guardrail can overturn.

Background

A bed guardrail, also called a bed fence, is a protective article and is fixedly arranged on the bed edge, and can effectively prevent a user from falling down from the bed carelessly after being sleeved with enclosing cloth, so that the application is wide.

The traditional lifting bed guardrail comprises an upper cross rod, a lower cross rod and two upright posts, wherein the upper cross rod is slidably arranged on the upright posts through sliding parts, and the lower cross rod is fixed at the lower parts of the upright posts and used for pressing a mattress. When the upper cross rod needs to be put down, the sliding parts at the two ends of the upper cross rod need to be unlocked, so that the upper cross rod can be descended, however, the upper cross rod is higher than one end of the mattress, so that feet and buttocks are easy to trip, and the upper cross rod is easy to completely deform due to certain length, so that the user experience is poor. At present, also there are some bed guardrails to be through additionally setting up unlocking device at the both ends of last horizontal pole for the separation is taken off to last horizontal pole dismantlement through this additionally setting unlocking device after the last horizontal pole falls, assembles once more when using next time, and the operation is complicated like this, troublesome, and consumer experiences also not well.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a folding bed guardrail can overturn, directly overturn to being less than or keeping equal to the height of mattress after first horizontal pole falls to need not dismantle the separation and just can solve among the prior art after the horizontal pole falls easily stumble the foot, put the hip, yielding the problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a folding bed guardrail can overturn, includes two pole settings and connects the first horizontal pole on the upper portion of two pole settings, the pole setting with first horizontal pole is connected through the slip subassembly that can reciprocate, slip subassembly includes first vertical sleeve pipe, rotor arm and first horizontal sleeve pipe, first vertical sleeve pipe cover is established can follow in the pole setting slip from top to bottom in the pole setting, first vertical sheathed tube side from top to bottom be equipped with in proper order with first horizontal pole parallel distribution's joint portion and pivot portion, the one end of rotor arm with pivot portion swivelling joint, the other end of rotor arm be equipped with the draw-in groove of joint portion adaptation, the rotor arm is keeping away from the one end of pivot portion is connected first horizontal sleeve pipe, first horizontal sleeve pipe with the tip of first horizontal pole cup joints.

The sliding assembly is used for lifting the height of the first cross rod, the first cross rod after being lowered is convenient to overturn and fold by arranging the rotating arm, so that the height of the first cross rod is lower than or equal to the height of a mattress, the occurrence of stumbling feet, buttocks laying and deformation is avoided, the operation is simple, and the disassembly, separation and assembly are not needed. When the first cross rod needs to be lifted, the first cross rod only needs to be reversely turned, so that the clamping portion on the first vertical sleeve is clamped into the clamping groove in the rotating arm, and the rotating arm can be positioned and fixed.

Further, the clamping portion comprises a cylindrical portion and a disc portion which are integrally formed, the disc portion is located at the end portion of the cylindrical portion, the clamping groove is a T-shaped clamping groove, and the T-shaped clamping groove is distributed in the length direction perpendicular to the rotating arm and penetrates through two side faces of the rotating arm. So, the joint portion of being convenient for can block in the draw-in groove by the way to with the rotor arm fixed column, simultaneously, take the structure of T shape, the rotor arm can be fixed more firmly.

Further, the inside of joint portion is provided with the five metals reinforcement to improve the intensity of joint portion, avoid the fracture.

Further, the pole setting is the hollow tube, the upper portion of pole setting is equipped with first lockhole, be equipped with on the first vertical sleeve pipe with the first locating hole that first lockhole corresponds, install first shell fragment in the pole setting, the tip of first shell fragment is equipped with and pops into fix first vertical sheathed tube first card button in the first locating hole of locking. The first elastic sheet arranged inside the vertical rod can be used for clamping and locking the fixed first vertical sleeve, so that the first cross rod is positioned at a high position.

Further, first vertical sleeve pipe is in first locating hole department joint is equipped with the button, the button is being close to one side of first calorie of button is equipped with can follow the projection of the axial direction motion of first locating hole, the button with be equipped with reset spring between the first vertical sleeve pipe. Through pressing the button of setting on first vertical sleeve pipe, conveniently extrude the first card button of first shell fragment to realize the unblock and reduce first horizontal pole.

Further, the top of pole setting is equipped with the detachable stopcock, the rotor arm is keeping away from the one end of pivot portion is equipped with anti-disengaging mechanism, anti-disengaging mechanism includes push rod and first lid, the rotor arm is equipped with the installation the holding chamber of push rod, the opening part in holding chamber is fixed first lid, be equipped with the confession on the first lid the first through-hole that one end of push rod stretches out, the other end of push rod with be equipped with the top between the inner wall in holding chamber and push away the spring, the stopcock or be equipped with on the first vertical sleeve pipe with the position is detained in push rod joint complex. Through setting up anti-disengaging mechanism and detaining the position cooperation for behind the draw-in groove is gone into to joint portion card, the rotor arm can be fixed by accurate location, avoids the pine to take off.

The lifting assembly comprises a second vertical sleeve, a second transverse sleeve and a locking assembly, one end of the second transverse sleeve is sleeved with the second transverse rod, the other end of the second transverse sleeve is connected with the side wall of the second vertical sleeve, the second vertical sleeve is sleeved with the outer wall of the vertical rod, a supporting telescopic pipe is inserted into the lower portion of the vertical rod, and the locking assembly is arranged between the second vertical sleeve and the second transverse sleeve and locks the supporting telescopic pipe. Through the cooperation of the lifting assembly and the locking assembly, the height of the second cross rod on the support telescopic pipe can be adjusted, so that the second cross rod can be matched with mattresses with different thicknesses so as to clamp the mattresses more firmly.

Further, the locking subassembly pushes away button and locking piece including sliding, the vertical sleeve pipe of second with be equipped with the confession between the horizontal sleeve pipe of second the horizontal gliding direction installation cavity of locking piece, the opening part of direction installation cavity is equipped with the second lid, be equipped with in the direction installation cavity and switch on to the vertical sheathed tube second through-hole of second, the pole setting be equipped with the second lockhole of second through-hole adaptation, it is equipped with a plurality of second locating hole to support flexible pipe, the one end of locking piece is equipped with and runs through the inserted block of second through-hole and second lockhole, the other end of locking piece with be equipped with locking spring between the second lid, the lateral wall of direction installation cavity is equipped with the confession the direction bar hole that the button was alternated is pushed in the sliding, the button is pushed in the sliding with the connection can be dismantled to the locking piece.

Furthermore, the bottom of the support extension tube is provided with a support plate, and the support plate is inserted into the bottom of the mattress and can be conveniently fixed.

Furthermore, the first cross rod and the second cross rod are hollow tubes, third locking holes are respectively formed in the two ends of the first cross rod and the two ends of the second cross rod, a third positioning hole corresponding to the third locking hole is formed in the first transverse sleeve and the second transverse sleeve, second elastic pieces are respectively installed in the first cross rod and the second cross rod, and second clamping buttons capable of being bounced into the third positioning holes are arranged at the end portions of the second elastic pieces. The hollow pipe structure is adopted, so that the weight can be reduced; through setting up the second shell fragment for first horizontal pole and second horizontal pole can detachably peg graft respectively and fix on slip subassembly and lifting unit, and enclose cloth by the way the suit in the installation, and the equipment is convenient.

Compared with the prior art, the utility model provides a folding bed guardrail can overturn possesses following beneficial effect:

the utility model is provided with the sliding component for lifting the first cross rod, and the first cross rod after being lowered is convenient to turn and fold by arranging the rotating arm, so that the height of the first cross rod is lower than or equal to that of the mattress, and the occurrence of stumbling feet, hip rest and deformation is avoided; when the first cross rod needs to be lifted, the first cross rod only needs to be reversely turned, so that the clamping portion on the first vertical sleeve is clamped into the clamping groove in the rotating arm, and the rotating arm can be positioned and fixed. The utility model discloses simple structure, stability are good, need not to dismantle the separation equipment, and the equipment is convenient, makes consumer's use experience feel better.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic view of the three-dimensional structure of the utility model before unlocking;

fig. 2 is a schematic cross-sectional view of the present invention in a state before unlocking;

FIG. 3 is an enlarged view of detail A in FIG. 2;

FIG. 4 is an enlarged view of detail B in FIG. 2;

FIG. 5 is a schematic cross-sectional view taken along line C-C of FIG. 3;

FIG. 6 is an exploded view of the slide assembly;

FIG. 7 is an exploded view of the lifting assembly;

fig. 8 is an assembly view of the present invention;

FIG. 9 is a schematic view of the first cross bar being lifted and folded;

fig. 10 is a schematic perspective view of the utility model after unlocking;

fig. 11 is a side view of the present invention in an unlocked state.

Reference numerals: 1. erecting a rod; 11. a first lock hole; 12. a first spring plate; 121. a first snap button; 13. a second lock hole; 2. a first cross bar; 3. a sliding assembly; 31. a first vertical bushing; 311. a clamping part; 3111. a cylindrical portion; 3112. a disk portion; 3113. a hardware reinforcement; 312. a rotating shaft part; 313. a first positioning hole; 32. a rotating arm; 321. a card slot; 322. an accommodating cavity; 33. a first transverse cannula; 34. a button; 341. a convex column; 35. a return spring; 36. a short screw; 37. a long screw; 38. a gasket; 4. a pipe plug; 41. buckling; 5. an anti-drop mechanism; 51. a push rod; 52. a first cover body; 521. a first through hole; 53. a pushing spring; 6. a second cross bar; 61. a second snap button; 7. a lifting assembly; 71. a second vertical bushing; 72. a second transverse cannula; 721. a third positioning hole; 73. a guide mounting cavity; 731. a second through hole; 732. a guide strip-shaped hole; 74. a second cover body; 8. a locking assembly; 81. sliding the push button; 82. a locking block; 821. inserting a block; 83. a locking spring; 9. supporting the telescopic pipe; 91. a second positioning hole; 92. a support plate; 10. a mattress.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the detailed embodiments and the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; they may be mechanically coupled, directly coupled, or indirectly coupled through intervening agents, both internally and/or in any other manner known to those skilled in the art. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 to 11, the present embodiment provides a bed fence capable of being turned and folded, including two vertical rods 1 and a first cross rod 2 connecting upper portions of the two vertical rods 1, wherein the vertical rods 1 are connected to the first cross rod 2 through a sliding assembly 3 capable of moving up and down, so as to lift the first cross rod 2. The sliding assembly 3 comprises a first vertical sleeve 31, a swivel arm 32 and a first transverse sleeve 33. The first vertical sleeve 31 is sleeved on the vertical rod 1 and can slide up and down along the vertical rod 1, and the side surface of the first vertical sleeve 31 is sequentially provided with a clamping portion 311 and a rotating shaft portion 312 which are parallel to the first cross rod 2 from top to bottom. One end of the rotating arm 32 is rotatably connected to the rotating shaft 312 and fixed by a long screw 37, and the other end of the rotating arm 32 is provided with a slot 321 adapted to the engaging portion 311. The rotating shaft part 312 is sleeved with a round gasket 38, and the gasket 38 is located between the first vertical sleeve 31 and the rotating arm 32 to play a role in wear resistance. The rotating arm 32 is connected with a first transverse sleeve 33 at one end far away from the rotating shaft part 312, and the first transverse sleeve 33 is sleeved with the end part of the first cross rod 2. By arranging the rotating arm 32, the first cross rod 2 is turned and folded by manually rotating the rotating arm 32 after the first cross rod 2 is lowered, so that the height of the first cross rod 2 is lower than or equal to the height of the mattress 10, and the occurrence of stumbling feet, buttocks laying and deformation is avoided; when first horizontal pole 2 needs to be raised, only need to reverse the upset with first horizontal pole 2 for can fix a position and fix rotor arm 32 in the joint portion 311 screw in once more and the draw-in groove 321 on the joint rotor arm 32 on the first vertical sleeve pipe 31, so, simple structure, stability are good, need not to dismantle the separation equipment, and the equipment is convenient, makes consumer's use experience feel better.

Specifically, in this embodiment, the engaging portion 311 includes a cylindrical portion 3111 and a disc portion 3112 which are integrally formed, the disc portion 3112 is located at an end portion of the cylindrical portion 3111, and the engaging groove 321 is a T-shaped engaging groove which is distributed along a length direction of the vertical rotating arm 32 and penetrates both side surfaces of the rotating arm 32. Therefore, the clamping portion 311 can be smoothly screwed into the clamping groove 321 to fix the rotating arm 32, and meanwhile, the T-shaped structure is adopted, so that on one hand, the rotating arm 32 can be fixed more firmly, and the stability is improved; on the other hand, this structure is convenient for the joint portion 311 to go into and screw out, and the user only needs less dynamics can accomplish the action.

In some embodiments, in order to improve the strength of the clamping portion 311 and avoid breakage, a hardware reinforcement 3113 is disposed inside the clamping portion 311.

In this embodiment, the vertical rod 1 is a hollow tube, the upper portion of the vertical rod 1 is provided with a first locking hole 11, the first vertical sleeve 31 is provided with a first positioning hole 313 corresponding to the first locking hole 11, the vertical rod 1 is internally provided with a first elastic sheet 12, and the end portion of the first elastic sheet 12 is provided with a first clamping button 121 which is inserted into the first positioning hole 313 to lock and fix the first vertical sleeve 31. The first vertical sleeve 31 can be clamped, locked and fixed by the first elastic sheet 12 arranged inside the vertical rod 1, so that the first cross rod 2 is locked and positioned at a high position.

In order to conveniently press the first clamping button 121 of the first elastic sheet 12, so as to complete the unlocking action, the first vertical sleeve 31 is provided with a button 34 in a clamping manner at the first positioning hole 313, the button 34 is provided with a convex column 341 capable of moving along the axial direction of the first positioning hole 313 at one side close to the first clamping button 121, and a return spring 35 is arranged between the button 34 and the first vertical sleeve 31. By pressing the button 34 provided on the first vertical sleeve 31, unlocking can be achieved to lower the first crossbar 2.

In this embodiment, the top end of the vertical rod 1 is fixedly provided with a detachable plug 4 through a short screw 36, the rotating arm 32 is provided with an anti-disengaging mechanism 5 at one end away from the rotating shaft 312, and the rotating arm 32 can be accurately positioned and fixed through the anti-disengaging mechanism 5, so as to avoid disengaging. Specifically, the anti-disengaging mechanism 5 includes a push rod 51 and a first cover 52, the rotating arm 32 is provided with an accommodating cavity 322 for installing the push rod 51, the opening of the accommodating cavity 322 is fixed to the first cover 52 through two short screws 36, the first cover 52 is provided with a first through hole 521 for extending one end of the push rod 51, a pushing spring 53 is arranged between the other end of the push rod 51 and the inner wall of the accommodating cavity 322, and the pipe plug 4 is provided with a buckling position 41 for buckling and matching with the push rod 51. The pushing spring 53 provides a spring force to maintain one end of the push rod 51 to extend out of the first through hole 521, so that the push rod 51 is effectively clamped in the buckling position 41 on the pipe plug 4, thereby realizing accurate positioning and avoiding the rotating arm 32 from loosening. Of course, in other embodiments, the fastening position 41 may be selectively disposed on the first vertical sleeve 31, and the same effect can be achieved.

In this embodiment, the telescopic tube type elevator further comprises a second cross bar 6 connected to the bottoms of the two vertical rods 1, the vertical rods 1 are connected to the second cross bar 6 through a lifting assembly 7, the lifting assembly 7 comprises a second vertical sleeve 71, a second transverse sleeve 72 and a locking assembly 8, one end of the second transverse sleeve 72 is sleeved with the second cross bar 6, the other end of the second transverse sleeve 72 is connected to a side wall of the second vertical sleeve 71, the second vertical sleeve 71 is sleeved with an outer wall of the vertical rod 1, a supporting telescopic tube 9 is inserted into the lower portion of the vertical rod 1, and the locking assembly 8 is arranged between the second vertical sleeve 71 and the second transverse sleeve 72 and locks the supporting telescopic tube 9. By cooperation of the lifting assembly 7 and the locking assembly 8, the height of the second cross bar 6 above the support extension tube 9 can be adjusted, thereby enabling the second cross bar 6 to be adapted to mattresses 10 of different thicknesses for more secure clamping of the mattress 10.

Specifically, the locking assembly 8 includes a sliding push button 81 and a locking block 82, a guide installation cavity 73 for the locking block 82 to horizontally slide is provided between the second vertical sleeve 71 and the second horizontal sleeve 72, a second cover 74 is fixedly provided at an opening of the guide installation cavity 73 through a short screw 36, a second through hole 731 which is communicated with the second vertical sleeve 71 is provided in the guide installation cavity 73, the vertical rod 1 is provided with a second locking hole 731 which is matched with the second through hole, the support extension tube 9 is provided with a plurality of second positioning holes 91, one end of the locking block 82 is provided with an insertion block 821 which penetrates through the second through hole 731 and the second locking hole 13, a locking spring 83 is provided between the other end of the locking block 82 and the second cover 74, a guide strip-shaped hole 732 for the sliding push button 81 to penetrate is provided on a side wall of the guide installation cavity 73, and the sliding push button 81 is detachably connected with the locking block 82.

Furthermore, the bottom of the support extension tube 9 is provided with a support plate 92, the support plate 92 is provided with a plurality of mounting holes for locking screws, and the support plate 92 is inserted into the bottom of the mattress 10, so that the support extension tube can be conveniently fixed.

In this embodiment, the first cross bar 2 and the second cross bar 6 are hollow tubes, the two ends of the first cross bar 2 and the two ends of the second cross bar 6 are respectively provided with a third locking hole, the first transverse sleeve 33 and the second transverse sleeve 72 are provided with a third positioning hole 721 corresponding to the third locking hole, the first cross bar 2 and the second cross bar 6 are respectively provided with a second elastic sheet, and the end of the second elastic sheet is provided with a second clamping button 61 capable of being inserted into the third positioning hole 721. The hollow pipe structure is adopted, so that the weight can be reduced; through setting up the second shell fragment for first horizontal pole 2 and second horizontal pole 6 can be detachably pegged graft respectively and fix on sliding component 3 and lifting unit 7, and enclose cloth by the way the suit when the installation, and the equipment is convenient.

The utility model discloses a use and accomodate the explanation:

referring to fig. 1, showing the state of the utility model in normal use (before the unblock), first horizontal pole 2 is promoted and is locked on the upper portion of pole setting 1, and second horizontal pole 2 is through adjusting the centre gripping in the upper surface of mattress 10 behind the height of lifting unit 7 on supporting flexible pipe 9, and first horizontal pole 2, second horizontal pole 6 cooperate the cover jointly with two pole settings 1 to establish and enclose cloth (not shown in the figure). Referring to fig. 9 and 10, when a person in the bed wants to get off the bed, the person presses the buttons 34 on the sliding assemblies 3 at two ends of the first cross bar 2 to unlock, so as to first push the first cross bar 2 down to descend, and when the first cross bar 2 descends, the swivel arm 32 is rotated manually to make the snapping portion 311 on the first vertical sleeve 31 unscrew from the snapping slot 321 on the swivel arm 32, and then the first cross bar 2 is driven to turn over, so that the height of the first cross bar 2 is lower than or equal to the height of the mattress 10, and the first cross bar 2 is perfectly turned over, folded and stored, so that the occurrence of foot-stumbling, hip-laying and deformation is avoided, and at this time, the first cross bar 2 is in a state (after unlocking) as shown in fig. 11, and the operation does not need to detach separate parts, and has the advantages of simple structure and good stability, so that the use experience of consumers is better.

When the first cross bar 2 needs to be lifted, the first cross bar 2 is reversely turned, so that the clamping portion 311 on the first vertical sleeve 31 is screwed into the clamping groove 321 on the rotating arm 32, and at the moment, the push rod 51 is clamped into the buckling position 41, so that the rotating arm 32 is positioned and fixed; the first cross bar 2 is then pulled up to the upper part of the upright 1 so that the first snap button 121 on the upright 1 locks the first vertical sleeve 31, thereby fixing the first cross bar 2.

As another operation mode for lifting and fixing the first cross bar 2, the first vertical sleeves 31 may be manually pressed and pushed upward respectively until the first locking button 121 on the vertical rod 1 locks the first vertical sleeve 31; then, the first cross rod 2 is reversely turned over, so that the clamping portion 311 on the first vertical sleeve 31 is screwed into the clamping groove 321 on the rotating arm 32, at this time, the push rod 51 is also clamped into the clamping position 41, positioning and fixing of the rotating arm 32 are achieved, and the first cross rod 2 is fixed.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. The utility model provides a folding bed guardrail can overturn, includes two pole settings (1) and connects first horizontal pole (2) on the upper portion of two pole settings (1), its characterized in that, pole setting (1) with first horizontal pole (2) are connected through the slip subassembly (3) that can reciprocate, slip subassembly (3) include first vertical sleeve pipe (31), rotor arm (32) and first horizontal sleeve pipe (33), first vertical sleeve pipe (31) cover is established on pole setting (1) and can follow pole setting (1) slides from top to bottom, the side of first vertical sleeve pipe (31) from top to bottom be equipped with in proper order with joint portion (311) and pivot portion (312) of first horizontal pole (2) parallel distribution, the one end of rotor arm (32) with pivot portion (312) swivelling joint, the other end of rotor arm (32) be equipped with draw-in groove (321) with joint portion (311) adaptation, the rotating arm (32) is connected with the first transverse sleeve (33) at one end far away from the rotating shaft part (312), and the first transverse sleeve (33) is sleeved with the end part of the first cross rod (2).

2. The reversible folding bed fence as claimed in claim 1, wherein the clamping part (311) comprises a cylindrical part (3111) and a disc part (3112) which are integrally formed, the disc part (3112) is located at the end of the cylindrical part (3111), and the clamping groove (321) is a T-shaped clamping groove which is distributed along the direction perpendicular to the length direction of the rotating arm (32) and penetrates through the two side surfaces of the rotating arm (32).

3. The reversible folding bed guardrail of claim 2, characterized in that the inside of the clamping part (311) is provided with a hardware reinforcement (3113).

4. The reversible folding bed guardrail according to any one of claims 1 to 3, wherein the upright rod (1) is a hollow tube, the upper portion of the upright rod (1) is provided with a first locking hole (11), the first vertical sleeve (31) is provided with a first positioning hole (313) corresponding to the first locking hole (11), the upright rod (1) is internally provided with a first elastic sheet (12), and the end portion of the first elastic sheet (12) is provided with a first clamping button (121) which is inserted into the first positioning hole (313) to lock and fix the first vertical sleeve (31).

5. The reversible folding bed guardrail according to claim 4, characterized in that the first vertical sleeve (31) is provided with a button (34) at the first positioning hole (313) in a clamping manner, the button (34) is provided with a convex column (341) capable of moving along the axial direction of the first positioning hole (313) at one side close to the first clamping button (121), and a return spring (35) is arranged between the button (34) and the first vertical sleeve (31).

6. A reversible folding bed guardrail according to claim 5, characterized in that the top end of the upright (1) is provided with a detachable plug (4), an anti-falling mechanism (5) is arranged at one end of the rotating arm (32) far away from the rotating shaft part (312), the anti-drop mechanism (5) comprises a push rod (51) and a first cover body (52), the rotating arm (32) is provided with an accommodating cavity (322) for installing the push rod (51), the first cover body (52) is fixed at the opening of the accommodating cavity (322), a first through hole (521) for extending one end of the push rod (51) is arranged on the first cover body (52), a pushing spring (53) is arranged between the other end of the push rod (51) and the inner wall of the accommodating cavity (322), and a buckling position (41) matched with the push rod (51) in a clamping manner is arranged on the pipe plug (4) or the first vertical sleeve (31).

7. A reversible folding bed guardrail according to claim 6, characterized in that it further comprises a second cross bar (6) connecting the bottoms of the two uprights (1), the upright stanchion (1) is connected with the second cross bar (6) through a lifting component (7), the lifting assembly (7) comprises a second vertical sleeve (71), a second transverse sleeve (72) and a locking assembly (8), one end of the second transverse sleeve (72) is sleeved with the second cross rod (6), the other end of the second transverse sleeve (72) is connected with the side wall of the second vertical sleeve (71), the second vertical sleeve (71) is sleeved with the outer wall of the upright rod (1), a support telescopic pipe (9) is inserted into the lower part of the upright rod (1), and the locking component (8) is arranged between the second vertical sleeve (71) and the second transverse sleeve (72) and locks the support telescopic pipe (9).

8. The invertible folding bed fence according to claim 7, wherein the locking assembly (8) comprises a sliding push button (81) and a locking block (82), a guiding installation cavity (73) for the locking block (82) to slide horizontally is arranged between the second vertical sleeve (71) and the second horizontal sleeve (72), a second cover body (74) is arranged at an opening of the guiding installation cavity (73), a second through hole (731) communicated with the second vertical sleeve (71) is arranged in the guiding installation cavity (73), the upright rod (1) is provided with a second locking hole (13) matched with the second through hole (731), the supporting telescopic tube (9) is provided with a plurality of second positioning holes (91), one end of the locking block (82) is provided with an insertion block (821) penetrating through the second through hole (731) and the second locking hole (13), and a locking spring (83) is arranged between the other end of the locking block (82) and the second cover body (74), the lateral wall of direction installation cavity (73) is equipped with the confession slide and push away guide bar hole (732) that button (81) alternated, slide push button (81) with locking piece (82) can dismantle the connection.

9. The reversible folding bed guardrail of claim 7, characterized in that the bottom of the support extension tube (9) is provided with a support plate (92).

10. The reversible folding bed guardrail according to claim 7, wherein the first cross bar (2) and the second cross bar (6) are hollow tubes, the two ends of the first cross bar (2) and the two ends of the second cross bar (6) are respectively provided with a third locking hole, the first transverse sleeve (33) and the second transverse sleeve (72) are respectively provided with a third positioning hole (721) corresponding to the third locking hole, a second elastic sheet is respectively arranged in the first cross bar (2) and the second cross bar (6), and the end part of the second elastic sheet is provided with a second clamping button (61) which can be inserted into the third positioning hole (721).

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