CN218588676U - Novel foldable bed guardrail of multistage - Google Patents

Abstract

The utility model discloses a novel foldable bed guardrail of multistage, including the main part guardrail the left and right sides of main part guardrail articulates respectively has the extension main part guardrail central authorities are equipped with the first pivot spare that can let the main part guardrail carry out the fifty percent discount the left and right sides of main part guardrail articulates respectively has second pivot spare, two the extension articulates respectively corresponding one side on the second pivot spare the bottom of main part guardrail is connected with the supporting part that can insert under the mattress, the utility model aims at providing a make into folding left guardrail and right guardrail with the guardrail of traditional bed guardrail central part, again in left guardrail and right guardrail both sides articulated can prolong this scheme of frame that left guardrail and right guardrail folding opened back length, can reach on the basis of traditional folding bed guardrail, when accomodating, occupy the effect in littleer space. Even a small suitcase or a travelling bag which is carried about when people board can be put in, thereby being more in line with the requirements of people going out.

Description

Novel foldable bed guardrail of multistage

Technical Field

The utility model relates to a crib guardrail field especially relates to a novel foldable bed guardrail of multistage.

Background

In order to prevent children from falling from a bed to cause injury on the ground, more and more families with infants choose to install bed guardrails at the traditional bedside to prevent the children from falling, the existing bed guardrails generally comprise a main body of the bed guardrail consisting of a left upright post, a right upright post and a connecting rod connected between the two upright posts, and then support legs which can be pressed under a mattress are connected at the bottom ends of the upright posts to form the bed guardrail. This kind of bed guardrail can only be fixed in the family, when the demand that has the business trip carries the bed guardrail, traditional this kind of bed guardrail is because the volume ratio is great, hardly accomodates, carries.

Therefore, the chinese patent publication No. CN114642328a discloses a bed guardrail, and the chinese patent publication No. CN217065876U also discloses a bed guardrail, both of the above two patent application documents describe a technical scheme that after the length of the guardrail main body is reduced, the left and right side wings of the guardrail main body are respectively provided with an extension part which can rotate relative to the middle guardrail main body for folding and opening, and the extension part added with the guardrail main body for opening just reaches the same length as the traditional guardrail, so that the folded guardrail can be conveniently carried with a small space occupation.

Although the technical scheme can reduce the volume of the guardrail compared with the traditional guardrail after being folded, in actual use of products, the side length of the conventional bed is generally 1.8 to 2 meters, even if the extended parts of the two wings are folded towards the center, the occupied space of the whole folded bed guardrail is still larger, the general carry-on luggage box is difficult to put in, and the bed guardrail can be carried out or individually carried by a user only by needing a larger luggage box or an individual storage package, so that the carrying still can cause trouble, and meanwhile, great inconvenience is caused to product packaging and transportation.

In addition, the folding locking part of the prior folding bed guardrail is quite complex in structure, and a plurality of parts which are matched with each other are used. Not only is the assembly and maintenance very complicated and inconvenient, but also the complex structure greatly reduces the production efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel foldable bed guardrail of multistage that sturdy and durable, folding back occupy the accommodation space littleer, more conveniently carry.

In order to achieve the above purpose, the utility model adopts the following scheme: the utility model provides a novel foldable bed guardrail of multistage, including the main part guardrail the left and right sides of main part guardrail articulates respectively has the folding extension of opening or drawing in main part guardrail central authorities are equipped with the first pivot spare that can let the main part guardrail carry out the fifty percent discount the main part guardrail is equipped with the messenger with first pivot spare mutual articulated position one side only the main part guardrail is folding when opening, turns over a first department of keeping off of 90 degrees the left and right sides of main part guardrail articulates respectively has second pivot spare, two the extension articulates respectively in corresponding one side on the second pivot spare, at each second pivot spare is equipped with on one side with the extension looks articulated position that corresponds and only enables when the extension is folding to be opened, turns over a second department of keeping off of 90 degrees the bottom of main part guardrail is connected with the supporting part that can insert under the mattress.

As a further aspect of the present invention, first pivot spare is including first pivot seat and the second pivot seat that the interval set up from top to bottom, the main part guardrail is including articulating at the left guardrail of first pivot seat and second pivot seat respectively to and articulate at the right guardrail on first pivot seat and second pivot seat right side, first department of blocking sets up in first pivot seat and second pivot seat respectively with left guardrail and right guardrail articulated axle center position one side, second pivot spare sets up the right side at the left side of left guardrail and right guardrail respectively.

As the utility model discloses a further scheme, second pivot spare is including articulating the right side at left guardrail left side and right guardrail, third pivot seat and the fourth pivot seat that longitudinal symmetry set up separately respectively, the extension articulates respectively and keeps away from at adjacent third pivot seat and fourth pivot seat one side of main part guardrail, the setting of second department of keeping out is in third pivot seat and fourth pivot seat and the extension looks articulated axle center position one side that corresponds, the supporting part telescopic sets up respectively on controlling two fourth pivot seats.

As the utility model discloses a further scheme, the supporting part is in each including vertical grafting respectively flexible pole setting on the fourth pivot seat, the fourth pivot pedestal bottom at place is passed to the bottom of flexible pole setting and stretch out fourth pivot seat below, stretches out the flexible pole setting bottom of fourth pivot seat below at each and is level fixedly connected with backup pad respectively.

As the utility model discloses preferred scheme, two the backup pad is kept away from the one end level that corresponds flexible pole setting respectively and is articulated to have a connecting plate, is equipped with the fastener that can interconnect together between two connecting plate tip.

As the utility model discloses preferred scheme, the extension is including being the frame of "c" shape, and the upper and lower both ends of frame are articulated mutually with the adjacent third pivot seat and the fourth pivot seat outside respectively.

As the preferred scheme of the utility model, first pivot seat with be connected with central pillar between the second pivot seat.

As the utility model discloses preferred scheme is lieing in the left side of left side guardrail and the right side of right side guardrail is connected the third pivot seat with be connected with hollow side post between the fourth pivot seat respectively, the top of flexible pole setting is passed and is inserted the place the fourth pivot seat, insert and correspond in the side post the left side of left side guardrail and the right side of right side guardrail is connected be equipped with respectively on the fourth pivot seat and lock the flexible locking part of the flexible length of flexible pole setting.

As the utility model discloses preferred scheme, flexible locking part is connected including having respectively the holding chamber of fourth pivot seat one side, the lateral wall of the flexible pole setting dorsad in holding chamber is the opening form the holding intracavity articulates there is the first unblock button that is the upset of bridge plate form about can, and bottom one side of first unblock button is connected with first locking pin top one side of first unblock button is connected with the first reset spring that can produce the wane action and reset after first unblock button the lateral wall of flexible pole setting runs through the first locating hole that has a plurality of first locking pins of holding to insert or take out, first locating hole sets up along the length direction of the flexible pole setting interval in proper order.

As the utility model discloses preferably scheme first pivot seat with be equipped with respectively on the second pivot seat and lock left guardrail and right guardrail turn over a main guardrail locking device who opens back, be linear state relatively, main guardrail locking device is equipped with the guide post including setting up the chamber that holds in first pivot seat and second pivot seat respectively, and the cover is equipped with the loading board on the guide post left side guardrail with right guardrail respectively with first pivot seat with the axle center one side of the articulated shaft of second pivot seat runs through there is the second locating hole first pivot seat with correspond on the second pivot seat the position of second locating hole run through respectively have can with the patchhole that holds the chamber intercommunication be equipped with respectively on the loading board can pass the patchhole, insert the reference column in the second locating hole that corresponds the top pressure reset spring that the first pivot seat that can pass the place stretches out the outside still be equipped with on the loading board and can be in the top pressure pole drives the top pressure reset spring that the back, insert the reset spring once more after the guide post position, the other end of top pressure reset spring at the second pivot seat at the second.

As the utility model discloses preferred scheme, the fastener has the ability to hold including setting up the public end buckle spare at one of them connecting plate tip and setting up the female end socket spare at another connecting plate tip respectively on the lateral wall of female end socket spare tip male end buckle spare male socket, female end socket spare top run through have can with the lock mouth of socket intercommunication public end buckle spare top has the trip that the tail end can the perk, the trip is gone up the perk card and is gone into in the lock mouth along with behind the public end buckle spare inserts the socket, afterbody.

As the utility model discloses preferred scheme with be equipped with the fixture block spare on the articulated fourth pivot seat and/or the third pivot seat together of left guardrail, with be equipped with on the articulated fourth pivot seat and/or the third pivot seat together of right guardrail can with the clamping spare that fixture block spare centre gripping is connected.

As the utility model discloses preferred scheme is two the cover is equipped with anti-skidding gum cover on the connecting plate respectively.

As the utility model discloses preferred scheme the connecting plate with the articulated position of backup pad is equipped with the angle restriction spare that can cooperate restriction connecting plate for articulated backup pad turned angle each other, the angle restriction spare is including setting up the connecting plate is close to on the lateral wall of tip, the first restriction spare that upwards extends, and the fixed second restriction spare that is equipped with on the backup pad tip lateral wall that corresponds, first restriction spare rotates 90 degrees back along with the connecting plate in place, the lateral wall roof pressure of first restriction spare is in on the lateral wall of second restriction spare.

As the utility model discloses preferred scheme the cover is equipped with the cloth cover on the frame of left side guardrail and right side guardrail and left and right sides.

To sum up, the utility model discloses for its beneficial effect of prior art is: one of the two, the utility model discloses a make folding left guardrail and right guardrail with the guardrail of traditional bed guardrail central part, it can prolong this scheme of frame of left guardrail and right guardrail folding back length of opening to articulate in left guardrail and right guardrail both sides again, can reach on the basis of traditional folding bed guardrail, when accomodating, occupy the effect in less space. Even ordinary portable boxes and carrying bags can be filled without the need to individually customize or purchase large-space packages. For example, a small carry-on luggage box carried by a boarding station can also be placed in or directly placed on a luggage rack, too much space is not occupied, independent consignment is not needed, and the requirement of people on a trip is met better.

And secondly, the safety of the guardrail can be further ensured through the main guardrail locking device with a simple structure. Simple structure can not be because the numerous easy trouble that breaks down of part, when equipment and manufacturing, can be more swift for production efficiency.

Drawings

Fig. 1 is a perspective view of the utility model after being folded and unfolded.

Fig. 2 is a perspective view of the folding process of the present invention.

Fig. 3 is one of the three-dimensional views of the utility model after being folded.

Fig. 4 is a second perspective view of the foldable device of the present invention.

Fig. 5 is an exploded view of the present invention and an enlarged view of a portion of the drawing.

Fig. 6 is one of the sectional views of the present invention taken vertically downward along the length direction after being folded and unfolded, and an enlarged view of a partial region in the drawing.

Fig. 7 is a perspective view of the utility model of the folding and unfolding back-cover cloth cover.

Fig. 8 is an exploded view of the cloth cover after the utility model is folded and unfolded.

Fig. 9 is a schematic view showing a state where the supporting part is inserted below the mattress after the mattress is folded and unfolded.

Detailed Description

The following detailed description provides many different embodiments, or examples, for implementing the invention. Of course, these are merely embodiments or examples and are not intended to be limiting. In addition, repeated reference numbers, such as repeated numbers and/or letters, may be used in various embodiments. These iterations are for simplicity and clarity of the description of the present invention and do not represent a particular relationship between the various embodiments and/or structures discussed.

Furthermore, where spatially relative terms such as "below," "lower," "inside-out," "above," "upper" and the like are used in relation to …, these terms are intended to facilitate the description of the relationship of one element or feature to another element or feature in the drawings, these spatial terms comprise different orientations of the device in use or operation and the orientation depicted in the drawings. The device may be rotated 90 degrees or other orientations to different orientations and the spatially relative adjectives used therein may be similarly interpreted and, thus, should not be construed as limiting the invention, the terms "first", "second" are used merely for descriptive purposes and are not intended to indicate or imply relative importance or to implicitly indicate 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.

The invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings: as shown in fig. 1 to 9, a novel multi-section folding bed guardrail comprises a main guardrail 1 composed of a left guardrail 11 and a right guardrail 12, a central column 13 is vertically arranged between the left guardrail 11 and the right guardrail 12, side columns 14 are respectively hinged on the ends of the left guardrail 11 and the right guardrail 12 far away from the central column 13, extension parts 4 which can be folded and unfolded or folded are respectively hinged on the side columns 14 on the left side and the right side of the main guardrail 1, a first hinge part 2 which can oppositely fold the left guardrail 11 and the right guardrail 12 is arranged on the central column 13 in the center of the main guardrail 1, a first turnover part 20 which can only enable the left guardrail 11 and the right guardrail 12 to be oppositely folded and unfolded at 90 degrees relative to the first hinge part 2 hinged with the left guardrail 11 and the right guardrail 12 is arranged on one side of a hinge shaft which is hinged between the left guardrail 11 and the first hinge part 2, that is to say, when the left guardrail 11 and the right guardrail 12 are folded and opened, the left guardrail 11 and the right guardrail 12 can only be in the same straight line, the left and right sides of the left guardrail 11 and the right guardrail 12 are respectively hinged with the second pivot parts 3, that is to say, the second pivot parts 3 are arranged on the side posts 14, therefore, the side posts 14 can rotate relative to the left guardrail 11 and the right guardrail 12, one of the extending parts 4 is hinged on the second pivot part 3 corresponding to the side post 14 on the left side of the left guardrail 11, the other extending part 4 is hinged on the second pivot part 3 corresponding to the side post 14 on the right side of the right guardrail 12, one side of the axis position where each second pivot part 3 is hinged with the corresponding extending part 4 is provided with a second resisting part 30 which can only enable the extending part 4 to be folded and opened by 90 degrees relative to the second pivot part 3 on which the extending part 4 is located, a support part 5 which can be inserted under the mattress is connected to the bottom of the main body guard rail 1. Through its compact folding structure of multistage folding bed guardrail that above-mentioned embodiment recorded, except possessing the traditional left and right sides both wings can be to central folding bed guardrail structure and characteristics, central main part guardrail 1 also can realize the fifty percent discount, lets whole bed guardrail folding back occupation space very big reduce, through the test, such folding structure can put into the bed guardrail in the case of ordinary carrying, for example in travelling bags such as little suitcase or some handbags of carrying. In this way, no extra packaging or more space is needed to enable carrying of the bed guardrail after folding. As shown in fig. 9, in use, after the left and right side rails 11 and 12 and the extension portions 4 at the left and right side wings are unfolded to have one upright surface, the support 5 is inserted under the mattress 300, and the mattress 300 is pressed against the support 5. When pushing the left guardrail 11 and the right guardrail 12 to the bed outside (the direction indicated by the arrow B in the figure), because of the existence of the first resisting part 20, the left guardrail 11 and the right guardrail 12 can not be turned to the bed outside, and when pushing the left guardrail 11 and the right guardrail 12 to the bed inside (the direction indicated by the arrow a in the figure), the mattress 300 can just resist the lower part of the left guardrail 11 and the right guardrail 12, so that the left guardrail 11 and the right guardrail 12 can not be turned to the center direction of the bed, the extending parts 4 at two sides are the same as the principles of the left guardrail 11 and the right guardrail 12, thus the safety of the infant during the activity can be ensured, and the bed guardrail can not be turned and folded by the pushing force.

Wherein, in this embodiment, the first hinge element 2 includes a first hinge seat 21 and a second hinge seat 22 respectively disposed at the top end and the bottom end of the central upright 13 at an upper and lower interval, the left guardrail 11 and the right guardrail 12 are both made of "i" shaped metal pipe, the upper and lower ends of the right side of the left guardrail 11 are respectively hinged on the left sides of the first hinge seat 21 and the second hinge seat 22, the upper and lower ends of the left side of the right guardrail 12 are respectively hinged on the right sides of the first hinge seat 21 and the second hinge seat 22, the second hinge element 3 includes a third hinge seat 31 and a fourth hinge seat 32 respectively hinged on the left side of the left guardrail 11 and the right side of the right guardrail 12, the extension portion 4 includes a "c" shaped frame 41, the frame 41 on the left side of this embodiment is hinged on the third hinge seat 31 and the fourth hinge seat 32 disposed on the side of the lateral post 14 on the left guardrail 11, the frame 41 on the right side of the third hinge seat 31 and the fourth hinge seat 32 disposed on the lateral post 14 on the left side of the left guardrail 11, the frame 41 is hinged on the first hinge seat 31 and the second hinge seat 32, the hinge seat 31 and the second hinge seat 32 disposed on the lateral post 21 and the hinge seat 22, the hinge seat 32 are respectively, the hinge seat 20 hinge seat 23 and the hinge seat on the first hinge seat 21, the hinge seat 32, the hinge seat 21 and the hinge seat 32 are disposed on the first hinge seat 13, the hinge seat 21, the hinge seat 23, the hinge seat 21 and the hinge seat 22, the hinge seat 20 hinge seat on the second hinge seat, the hinge seat 23 and the hinge seat on the hinge seat, the second hinge seat 21 and the hinge seat 22 are disposed on the hinge seat, the hinge seat 22, the hinge seat 21, the hinge seat 32 on the hinge seat, the hinge seat 21, the hinge seat 23, the ends of the left and right guardrails 11 and 12 are provided with hinge lugs 16 which can be inserted into the grooves 15, and the hinge lugs 16 are inserted into the grooves 15 and then vertically penetrate the pin shaft. As shown in fig. 5, each of the grooves 15 is open at both sides, wherein the position where the back surface of the groove 15 is closed is the first resisting portion 20; through first department 20 that keeps out, when left guardrail 11 and right guardrail 12 turned over into the state that is a straight line each other from the fifty percent discount state that is parallel to each other, the articulated shaft of left guardrail 11 and right guardrail 12 can be kept out and can't overturn backward by first department 20 that keeps out, realizes opening when using when the guardrail, and left guardrail 11 and right guardrail 12 can form a positive perpendicular. The third spindle seat 31, the fourth spindle seat 32, and the second resisting portion 30 are also the same as the first resisting portion 20, the first spindle seat 21, and the second spindle seat 22 in arrangement structure, and the frame 41 is hinged in the same manner as the left guardrail 11 and the right guardrail 12 in hinge structure, specifically referring to the structure shown in the drawing, it should be noted that the third spindle seat 31 and the fourth spindle seat 32 are different from the first spindle seat 21 and the second spindle seat 22 in that although the third spindle seat 31 and the fourth spindle seat 32 are also in the shape of the pipe sleeve, the pipe openings at the upper and lower sides of the pipe sleeve-shaped third spindle seat 31 and the fourth spindle seat 32 are not closed and are open.

In order to let the bed guardrail be applicable to the mattress of various thickness, 5 telescopic pegs graft respectively in the mouth of pipe of controlling two fourth pivot seats 32 of supporting part 5, particularly, supporting part 5 is including respectively vertical peg graft in each flexible pole setting 51 on the fourth pivot seat 32, the fourth pivot seat 32 bottom at place is passed to the bottom of flexible pole setting 51 to stretch out fourth pivot seat 32 below, stretch out the flexible pole setting 51 bottom of fourth pivot seat 32 below at each and horizontally fixedly connected with backup pad 52 respectively, backup pad 52 is used for arranging in under the mattress, or suppresses with the heavy object, and then keeps the frame 41 of left guardrail 11 and right guardrail 12 and both sides and personally submits vertical state for the bed.

In order to make the supporting portion 5 more stable under the mattress, as a further scheme, two ends of the supporting plates 52 respectively far away from the corresponding telescopic vertical rods 51 are horizontally hinged with connecting plates 53, and fasteners 54 capable of being connected with each other are arranged between the ends of the two connecting plates 53. The fastener 54 includes a male end fastening component 541 disposed at an end of one of the connection boards 53 and a female end socket component 542 disposed at an end of the other connection board 53, a socket 543 capable of receiving the male end fastening component 541 is disposed on a sidewall of the end of the female end socket component 542, a fastening opening 544 capable of communicating with the socket 543 penetrates through a top of the female end socket component 542, a hook 545 with a tilted tail end is disposed at a top of the male end fastening component 541, and the hook 545 is fastened into the fastening opening 544 after being inserted into the socket 543 along with the male end fastening component 541 and the tail thereof tilted upward. After the two connecting plates 53 are connected and fixed together through the fasteners 54, the rotation of the side posts 14 can be further limited, so that after the frame 41 can not be turned over, the side posts 14 hinged on the left guardrail 11 and the right guardrail 12 can not rotate, thereby ensuring that the left guardrail 11 and the right guardrail 12 and the frames 41 at two sides can form a whole vertical plane, and the anti-slip rubber sleeves 10 respectively sleeved on the two connecting plates 53 can further prevent the supporting plate 52 from sliding at the bottom of the mattress to increase the friction force.

Meanwhile, in order to enable the support portion 5 formed by connecting and fixing the two connecting plates 53 together to enable the side posts 14 to be firmer and incapable of rotating by themselves, an angle limiting piece 100 capable of mutually matching and limiting the rotation angle of the connecting plate 53 relative to the hinged support plate 52 is arranged at the hinged position of the connecting plate 53 and the support plate 52, the angle limiting piece 100 comprises a first limiting piece 101 which is arranged on the side wall of the connecting plate 53 close to the end part and extends upwards, a second limiting piece 102 is fixedly arranged on the side wall of the end part of the corresponding support plate 52, and after the first limiting piece 101 rotates 90 degrees along with the connecting plate 53, the side wall of the first limiting piece 101 is pressed against the side wall of the second limiting piece 102. After the two connecting plates 53 are fastened together, the first limiting part 101 is matched with the second limiting part 102 to enable the connecting plates 53 to form a right angle with the corresponding supporting plate 52, so that the side column 14 where the supporting plate 52 is located cannot rotate, and the frame 41 can be guaranteed not to swing after being unfolded.

Through above-mentioned scheme, the bed guardrail can be more light folding, and when expanding the use, left guardrail 11 and right guardrail and articulated frame 41 articulated each other with it, the supporting part 5 that the cooperation was mutually buckled and is formed a rectangular frame together can let the bed guardrail form a holistic perpendicular, can not produce and buckle, guarantees normal use.

In addition, as shown in fig. 5 and 6, in order to prevent the folded position from being accidentally bent by an external force or folded, the first and second spindle bases 21 and 22 are respectively provided with a main fence locking device 7 capable of locking the left and right guardrails 11 and 12 in a relatively linear state after being folded and unfolded. In order to raise or lower the horizontal height of the left and right guardrails 11 and 12 and the side frames 41 at both sides more easily and conveniently, telescopic locking members 6 capable of locking the telescopic lengths of the telescopic vertical rods 51 are respectively provided on the fourth rotating shaft bases 32 connected to the left side of the left guardrail 11 and the right side of the right guardrail 12.

As shown in fig. 5 and 6, as can be clearly seen from the figures, the retractable locking member 6 includes an accommodating cavity 61 respectively connected to one side of the fourth rotating shaft seat 32, an outer side wall of the accommodating cavity 61 facing away from the retractable upright rod 51 is open, a first unlocking button 62 capable of being turned over in a bridge shape is hinged in the accommodating cavity 61, a first locking pin 63 is connected to one side of a bottom end of the first unlocking button 62, a first return spring 64 capable of returning after the first unlocking button 62 generates a seesaw action is connected to one side of a top end of the first unlocking button 62, a plurality of first positioning holes 65 capable of allowing the first locking pin 63 to be inserted or extracted are penetrated through a side wall of the retractable upright rod 51, the first positioning holes 65 are sequentially arranged along a length direction of the retractable upright rod 51 at intervals, and pressing the first unlocking button 62 can make the first locking pin 63 lose a pressing force, in this embodiment, the end of the first locking pin 63 facing the telescopic vertical rod 51 is arc-shaped, the top pressure spring 66 is arranged between the first locking pin 63 and the first unlocking button 62, at this time, the telescopic vertical rod 51 is pulled to retract the first locking pin 63 from the first positioning hole 65, after the first unlocking button 62 is released, the first return spring 64 is released to push the first unlocking button 62 to return, the top pressure spring 66 is against the first locking pin 63, when the other first positioning hole 65 is displaced and aligned with the end of the first locking pin 63, the top pressure spring 66 urges the first locking pin 63 to enter the first positioning hole 65, of course, the first locking pin 63 and the first unlocking button 62 may also be rigidly connected, but the thickness of the first locking pin 63 needs to be smaller than the first positioning hole 65, and by such a mechanism, the horizontal heights of the left guardrail 11, the right guardrail 12 and the borders 41 on both sides can be conveniently raised or lowered, and simultaneously, the height after adjustment cannot be changed at will.

Similarly, as shown in fig. 5 and fig. 6, in this embodiment, the main guardrail locking device 7 includes an accommodating cavity 71 respectively disposed in the first rotating shaft seat 21 and the second rotating shaft seat 22, a guiding post 72 is vertically disposed in the accommodating cavity 71, a bearing plate 73 is sleeved on the guiding post 72, an insertion hole 75 capable of communicating with the accommodating cavity 71 is respectively penetrated through the left guardrail 11 and the right guardrail 12 and one side of the axis of the hinge shaft of the first rotating shaft seat 21 and the second rotating shaft seat 22, a positioning post 76 capable of penetrating through the insertion hole 75 and being inserted into the corresponding second positioning hole 74 is respectively penetrated through the position of the first rotating shaft seat 21 and the position of the second rotating shaft seat 22 corresponding to the second bearing plate 74 on the first rotating shaft seat 21 and the position of the second rotating shaft seat 22 on the bearing plate 22, a pressing rod 77 capable of penetrating through the bearing plate 75 and being inserted into the corresponding second positioning hole 74 is further disposed on the bearing plate 73, a pressing rod 77 capable of penetrating through the first rotating shaft seat 21 and the second rotating shaft seat 22 where the bearing plate is located is further disposed on the guiding post 72, and a return spring 78 is sleeved on the guiding post 72, and the other end of the return spring 73. After the pressing rod 77 is pressed to displace the bearing plate 73 along the guide post 72, the positioning post 76 retracts from the second positioning hole 74, so that the rotating shafts of the left guardrail 11 and the right guardrail 12 hinged to the first rotating shaft seat 21 and the second rotating shaft seat 22 can rotate freely, otherwise, the second return spring 78 pushes the bearing plate 73 to displace and return along the guide post 72, the positioning post 76 is inserted into the second positioning hole 74, and the left guardrail 11 and the right guardrail 12 inserted into the second positioning hole 74 by the positioning post 76 cannot rotate along the hinged shaft center again because the second positioning hole 74 is arranged at one side of the rotating shaft of the first rotating shaft seat 21 hinged to the second rotating shaft seat 22. And then realized further preventing children or when external force pushes left guardrail 11 and right guardrail 12, the folding phenomenon appears, realized the function of two locks.

As shown in fig. 4, after the left guard rail 11 and the right guard rail 12 are folded in half, in order to keep the folded state of the left guard rail 11 and the right guard rail 12 during carrying, a clamping piece member 8 is arranged on the fourth rotating shaft seat 32 and/or the third rotating shaft seat 31 hinged with the left guard rail 11, a clamping piece member 9 capable of clamping and connecting with the clamping piece member 8 is arranged on the fourth rotating shaft seat 32 and/or the third rotating shaft seat 31 hinged with the right guard rail 12, and after the clamping piece member 9 clamps and clamps on the clamping piece member 8, the folded state of the left guard rail 11 and the right guard rail 12 can be temporarily locked.

Finally, in practical use, the cloth covers 200 are sleeved on the left and right guardrails 11 and 12 and the frames 41 on the left and right sides, the cloth covers 200 may be a plurality of separate cloth covers respectively sleeved on the left and right guardrails 11 and 12 and the frames 41 on the left and right sides, or as shown in fig. 7 and 8, after the left and right guardrails 11 and 12 and the frames 41 on the left and right sides are folded and unfolded to form a whole guardrail, the cloth covers 200 are sleeved on the guardrails.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only illustrative of the principles of the present invention, and the present invention can be modified in various ways without departing from the spirit and scope of the present invention, and these modifications and changes fall into the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (15)

1. The utility model provides a novel foldable bed guardrail of multistage, including main part guardrail (1) the left and right sides of main part guardrail (1) articulates respectively has extension (4) that can fold and open or draw in its characterized in that: main part guardrail (1) central authorities are equipped with first pivot spare (2) that can let main part guardrail (1) carry out the fifty percent discount main part guardrail (1) is equipped with the position one side of articulating each other with first pivot spare (2) and only enables main part guardrail (1) is folded when opening, turns over a first department of blocking (20) of turning over 90 degrees main part guardrail (1) the guardrail left and right sides articulates respectively has second pivot spare (3), two pivot spare (4) articulate respectively and correspond one side on second pivot spare (3), each second pivot spare (3) are equipped with the position one side of articulating each other with extension (4) that correspond and only enable extension (4) are folded when opening, turn over a second department of blocking (30) of turning over 90 degrees main part guardrail (1)'s bottom is connected with and can inserts supporting part (5) under the mattress.

2. The novel multi-section folding bed guardrail according to claim 1, wherein the first hinge member (2) comprises a first pivot seat (21) and a second pivot seat (22) which are arranged at an upper-lower interval, the main guardrail (1) comprises a left guardrail (11) which is respectively hinged on the left sides of the first pivot seat (21) and the second pivot seat (22), and a right guardrail (12) which is hinged on the right sides of the first pivot seat (21) and the second pivot seat (22), the first resisting part (20) is arranged on one side of the pivot position where the first pivot seat (21) and the second pivot seat (22) are respectively hinged with the left guardrail (11) and the right guardrail (12), and the second hinge member (3) is respectively arranged on the left side of the left guardrail (11) and the right side of the right guardrail (12).

3. The novel multi-section folding bed guardrail according to claim 2, wherein the second hinge member (3) comprises a third rotating shaft seat (31) and a fourth rotating shaft seat (32) which are respectively hinged on the left side of the left guardrail (11) and the right side of the right guardrail (12) and are respectively arranged in an up-down symmetrical manner, the extending portion (4) is respectively hinged on one side of the adjacent third rotating shaft seat (31) and the adjacent fourth rotating shaft seat (32) far away from the main guardrail (1), the second resisting portion (30) is arranged on one side of the axis position where the third rotating shaft seat (31) and the fourth rotating shaft seat (32) are hinged with the corresponding extending portion (4), and the supporting portion (5) is telescopically arranged on the left fourth rotating shaft seat (32) and the right fourth rotating shaft seat (32).

4. The novel multi-section folding bed guardrail according to claim 3, wherein the supporting part (5) comprises a telescopic vertical rod (51) vertically inserted into each of the fourth rotating shaft seats (32), the bottom end of the telescopic vertical rod (51) passes through the bottom of the fourth rotating shaft seat (32) and extends out of the lower part of the fourth rotating shaft seat (32), and a supporting plate (52) is horizontally and fixedly connected to the bottom end of each telescopic vertical rod (51) extending out of the lower part of the fourth rotating shaft seat (32).

5. A novel multi-section folding bed guardrail as claimed in claim 4, characterized in that the ends of the two supporting plates (52) far away from the corresponding telescopic vertical rods (51) are respectively hinged with a connecting plate (53), and a fastener (54) capable of being connected with each other is arranged between the ends of the two connecting plates (53).

6. A novel multi-section folding bed guardrail as claimed in claim 3, wherein the extension part (4) comprises a c-shaped frame (41), and the upper and lower ends of the frame (41) are respectively hinged with the outer sides of the adjacent third rotating shaft seat (31) and the fourth rotating shaft seat (32).

7. A novel multi-section folding bed guardrail according to claim 2, characterized in that a central upright (13) is connected between the first pivot seat (21) and the second pivot seat (22).

8. A novel multi-section folding bed guardrail according to claim 4, characterized in that hollow side posts (14) are respectively connected between the third rotating shaft seat (31) and the fourth rotating shaft seat (32) connected to the left side of the left guardrail (11) and the right side of the right guardrail (12), the top ends of the telescopic vertical posts (51) are inserted into the fourth rotating shaft seat (32) and the corresponding side posts (14), and telescopic locking parts (6) capable of locking the telescopic length of the telescopic vertical posts (51) are respectively arranged on the fourth rotating shaft seat (32) connected to the left side of the left guardrail (11) and the right side of the right guardrail (12).

9. The novel multi-section folding bed guardrail according to claim 8, wherein the telescopic locking component (6) comprises an accommodating cavity (61) respectively connected to one side of the fourth rotating shaft seat (32), the outer side wall of the accommodating cavity (61) facing away from the telescopic vertical rod (51) is in an open shape, a first unlocking button (62) capable of being turned left and right in a bridge plate shape is hinged in the accommodating cavity (61), one side of the bottom end of the first unlocking button (62) is connected with a first locking pin (63), one side of the top end of the first unlocking button (62) is connected with a first reset spring (64) capable of resetting after the first unlocking button (62) generates a rocker action, a plurality of first positioning holes (65) capable of allowing the first locking pin (63) to be inserted or pulled out penetrate through the side wall of the telescopic vertical rod (51), and the first positioning holes (65) are sequentially arranged at intervals along the length direction of the telescopic vertical rod (51).

10. The novel multi-stage folding bed guardrail according to any one of claims 2 to 9, wherein the first spindle seat (21) and the second spindle seat (22) are respectively provided with a main guardrail locking device (7) capable of locking a left guardrail (11) and a right guardrail (12) in a relatively linear state after being folded and opened, the main guardrail locking device (7) comprises accommodating cavities (71) respectively arranged in the first spindle seat (21) and the second spindle seat (22), a guide post (72) is vertically arranged in the accommodating cavity (71), a bearing plate (73) is sleeved on the guide post (72), positioning holes (74) are respectively arranged on the left guardrail (11) and the right guardrail (12) and the spindle sides of the first spindle seat (21) and the second spindle seat (22) corresponding to the positioning holes (74), the positions of the first spindle seat (21) and the second spindle seat (22) corresponding to the positioning holes (74) are respectively provided with a pressing rod (75) capable of being inserted into the positioning holes (75) and the second spindle seat (75) is provided with a pressing rod (75) capable of being inserted into the positioning holes (75) and the second spindle seat (22) corresponding to the pressing rod (73), the guide post (72) is sleeved with a second reset spring (78) which can reset again after the pressing rod (77) drives the bearing plate (73) to move along the guide post (72), one end of the second reset spring (78) is pressed against the end part of the guide post (72), and the other end of the second reset spring is pressed against the bottom of the bearing plate (73).

11. The novel multi-section folding bed guardrail according to claim 5, wherein the fastener (54) comprises a male end fastener (541) and a female end slot (542) respectively arranged at the ends of one of the connecting plates (53), the side wall of the end of the female end slot (542) is provided with a socket (543) capable of accommodating the male end fastener (541) to be inserted, the top of the female end slot (542) is penetrated with a buckling opening (544) capable of being communicated with the socket (543), the top of the male end fastener (541) is provided with a buckling hook (545) with a tilting tail end, and the buckling hook (545) tilts upwards to be clamped into the buckling opening (544) after the male end fastener (541) is inserted into the socket (543).

12. A novel multi-section folding bed guardrail according to claim 3, characterized in that a clamping piece (8) is arranged on the fourth rotating shaft seat (32) and/or the third rotating shaft seat (31) hinged with the left guardrail (11), and a clamping piece (9) capable of clamping and connecting with the clamping piece (8) is arranged on the fourth rotating shaft seat (32) and/or the third rotating shaft seat (31) hinged with the right guardrail (12).

13. A novel multi-section folding bed guardrail as claimed in claim 5, characterized in that the two connecting plates (53) are respectively sleeved with an anti-skid rubber sleeve (10).

14. A novel multi-section folding bed guardrail as claimed in claim 5, characterized in that an angle limiting member (100) which can cooperate with each other to limit the rotation angle of the connecting plate (53) relative to the hinged supporting plate (52) is arranged at the hinged position of the connecting plate (53) and the supporting plate (52), the angle limiting member (100) comprises a first limiting member (101) which is arranged on the side wall of the connecting plate (53) close to the end part and extends upwards, a second limiting member (102) is fixedly arranged on the side wall of the end part of the corresponding supporting plate (52), and after the first limiting member (101) rotates 90 degrees along with the connecting plate (53), the side wall of the first limiting member (101) is pressed against the side wall of the second limiting member (102).

15. A novel multi-section folding bed guardrail as claimed in claim 2, characterized in that cloth covers (200) are sleeved on the left guardrail (11), the right guardrail (12) and the borders (41) at the left and right sides.

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