CN220141222U - Hinge device for bed guardrail compression bar - Google Patents

Abstract

The utility model relates to the technical field of guardrails, in particular to a hinging device for a bed guardrail compression bar, which comprises a guardrail component, wherein the guardrail component comprises two vertical bars, and a first compression bar and a second compression bar which are arranged between the two vertical bars; elastic ropes are arranged between two ends of the first compression bar and the second compression bar, which are close to each other, and elastic connection between the first compression bar and the second compression bar is realized through the elastic ropes; two opposite ends of the first compression bar and the second compression bar are respectively provided with a hinge seat, and the hinge seat is provided with a rotating seat; the afterbody that rotates the seat is equipped with the locating piece, and the locating piece is inside to be equipped with the locating pin, still is equipped with on the articulated seat with locating piece matched with fixed slot, rotates the rotatable setting of seat and is in the fixed slot, is equipped with the gliding first chute of guide locating pin and makes the locating hole that the locating pin passed on the fixed slot lateral wall, realizes the fixation of two depression bars through the cooperation of locating pin and locating hole, and the dismouting between articulated seat and the depression bar also can be very convenient to the setting of first chute simultaneously.

Description

Hinge device for bed guardrail compression bar

Technical Field

The utility model relates to the technical field of guardrails, in particular to a hinging device for a bed guardrail compression bar.

Background

The bed guard rail is generally arranged at the edge of the bed and is used for preventing infants, old people or patients from falling down from the bed. The common bed guardrail comprises a plurality of rods, and when the bed guardrail is used, auxiliary tools such as screwdrivers and the like are required to be assembled into the bed guardrail, so that the assembling process is complex. The traditional bed guard rail is formed by connecting a plurality of detachable vertical rods and cross rods, and the bed guard rail cannot be folded to reduce the storage space; or the bed guard rail has a folding function, but has the problem of inconvenient disassembly and assembly.

Disclosure of Invention

1. Technical problem to be solved

The utility model aims at the defects in the prior art, and particularly provides a hinging device for a bed guardrail pressure rod, which can realize the effect of convenient disassembly and assembly of the bed guardrail pressure rod by providing a simple hinging seat structure.

2. Technical proposal

In order to solve the technical problems, the utility model provides a hinging device for a bed guardrail pressing rod, which comprises a guardrail component, wherein the guardrail component comprises two vertical rods, and a first pressing rod and a second pressing rod which are arranged between the two vertical rods;

elastic ropes are arranged between two ends of the first compression bar and the second compression bar, which are close to each other, and elastic connection between the first compression bar and the second compression bar is realized through the elastic ropes;

two opposite ends of the first compression bar and the second compression bar are respectively provided with a hinge seat, and the hinge seat is provided with a rotating seat; the first compression bar and the second compression bar are respectively and rotatably arranged on the hinging seat through the rotating seat;

the tail part of the rotating seat is provided with a positioning block, the inside of the positioning block is provided with a positioning pin, one end of the positioning pin is provided with a compression spring which is in butt joint with the positioning pin, and the other end of the positioning pin can extend outwards from the inside of the positioning block through the compression spring;

the hinge seat is also provided with a fixed slot matched with the positioning block, the rotating seat is rotatably arranged in the fixed slot, and the side wall of the fixed slot is provided with a positioning hole which can be matched and clamped with the positioning pin.

Wherein, the hinging seat is also provided with a positioning component for fixing the vertical rod and the support;

the positioning component comprises a positioning button, a rotating shaft, an elastic pin and a lock nut;

the hinge seat is provided with a placement groove, and the positioning button is arranged in the placement groove;

the rotating shaft is arranged in the accommodating groove, penetrates through the positioning button and is rotationally connected with the positioning button, and the axis direction of the rotating shaft is perpendicular to the horizontal plane;

the elastic pin is fixed on the positioning button through the cooperation with lock nut, and the elastic pin runs through to the inside of articulated seat from the outside of positioning button, and under operating condition, the elastic pin runs through to the inside of support from the montant outside.

Wherein, the rotating seat is also provided with a mounting plate and a first bolt;

the mounting plate is arranged on the outer side of the positioning block;

the first bolt matrix is arranged on the outer side of the mounting plate, and the first bolts penetrate through the mounting plate and are in threaded connection with the positioning blocks.

One end of the second pressure rod is provided with a sleeve, and a fixing pin is arranged in the first pressure rod;

one end of the elastic rope is folded and locked and fixed through the fixing ring to form a lantern ring which can be sleeved on the fixing pin; the other end of the elastic rope passes through the sleeve, and a fixing ring is arranged at the end part passing through the sleeve and is abutted with the inner wall of the sleeve, so that the fixation of the two ends of the elastic rope is realized.

Wherein, first depression bar and second depression bar are cylindrical pole, perhaps oval pole.

Wherein the other end of the sleeve can be inserted into the first compression bar.

Wherein, the tip that first depression bar and second depression bar butt joint is equipped with the cup joint ring.

Wherein, the tip that sleeve pipe and first depression bar were pegged graft is equipped with chamfer or fillet.

The side wall of the fixed groove is also provided with a first chute which can guide the locating pin to slide to the locating hole.

Wherein, rotate the seat tip and still be equipped with the second chute that makes things convenient for the user to use.

3. Advantageous effects

Compared with the prior art, the two compression bars can be rotated and fixed between the compression bars and the hinging seat, so that the two compression bars can be driven to be folded and stored or horizontally unfolded, specifically, the two compression bars are fixed through the cooperation of the positioning pins and the positioning holes, and meanwhile, the first chute is arranged to facilitate the disassembly and assembly between the hinging seat and the compression bars;

meanwhile, the hinging seat can adjust the height position through the positioning component, so that after the compression bar is horizontally unfolded, the edge of the bed can be pressed through the hinging seat, thereby fixing the guardrail at the bed edge,

further, cup joint the both ends of elastic cord on the dead pin respectively through the solid fixed ring or fix inside the sleeve pipe to this makes the mounting means of elastic cord comparatively simple, can guarantee the fixed effect at elastic cord both ends simultaneously, and the effectual manufacturing cost that has reduced has improved production efficiency moreover.

Drawings

Fig. 1 is a perspective view of a hinge assembly for a bed rail strut in use.

Fig. 2 is a perspective view of a hinge device for a bed rail strut when deployed.

Fig. 3 is a perspective view of a hinge assembly for a bed rail strut when stowed.

Fig. 4 is an internal structural view of the elastic cord when it is installed.

Fig. 5 is a schematic perspective view of the securing assembly.

Fig. 6 is a partial enlarged view at a in fig. 5.

Fig. 7 is an internal structural view of the positioning assembly.

Fig. 8 is a perspective view of the swivel base fixed to the hinge base.

Fig. 9 is a perspective view of the swivel base after unlocking.

FIG. 10 is a partial block diagram of the support assembly;

fig. 11 is a schematic structural view of a bungee cord.

In the figure:

1 is a guardrail component; 11 is a vertical rod; 12 is a first compression bar; 13 is a second compression bar; 14 is elastic rope; 141 is a sleeve; 142 is a fixing pin; 143 is a fixing ring; 144 is a sleeve ring; 15 is a fixed component; 151 is a support; 152 is a connection plug; 153 is the first connecting tube; 154 is a second connecting tube;

2 is a hinging seat; 21 is a positioning component; 211 is a positioning button; 212 is a rotation axis; 213 is an elastic pin; 214 is a lock nut; 22 is a rotating seat; 221 is a locating pin; 222 is a compression spring; 223 is a mounting plate; 224 is a first bolt; 225 is a second chute; 23 is a first chute;

3 is a supporting component; 31 is a first support bar; 32 is a second support bar; 33 is a connecting block; 34 is a mounting assembly; 341 is a mounting seat; 342 is a top seat; 3421 is a first chute; 343 is a fixed round button; 3431 is the first slide rail.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

Example 1:

as shown in fig. 1 to 4, the simple elastic rope connection structure for a bed guard rail of the present embodiment includes a guard rail assembly 1, wherein the guard rail assembly 1 includes two vertical rods 11, and a first compression bar 12 and a second compression bar 13 disposed between the two vertical rods 11; elastic ropes 14 are arranged between the first compression bar 12 and the second compression bar 13, one ends of the elastic ropes 14 are folded and locked and fixed through fixing rings 143 to form a lantern ring which can be sleeved on the fixing pins 142; the other end of the elastic rope 14 passes through the sleeve 141, and a fixing ring 143 is arranged at the end passing through the sleeve 141 and is abutted against the inner wall of the sleeve 141 through the fixing ring 143, so that the fixation of the two ends of the elastic rope 14 is realized, namely, the end of the elastic rope 14 is folded for a small section and is locked and fixed through the fixing ring 143, so that the elastic rope 14 at the end forms a sleeve ring, the other end of the elastic rope 14 is fixed inside the sleeve 141 through the fixing ring 143, namely, the diameter of the elastic rope 14 is smaller than the aperture of the inner hole of the sleeve 141, the elastic rope 14 can penetrate into the inner hole of the sleeve 141, but the fixing ring 143 cannot penetrate through the inner hole of the sleeve 141, and therefore, after the elastic rope 14 passes through, the fixing ring 143 is locked and fixed; the tail ends of the first compression bar 12 and the second compression bar 13 are respectively fixed on the vertical bar 11 through the hinge seat 2, and the tail ends of the first compression bar 12 and the second compression bar 13 are rotationally connected with the hinge seat 2.

As shown in fig. 4 and 11, one end of the sleeve 141 is fixed to the second pressing rod 13 by a tight fit, and the first pressing rod 12 and the second pressing rod 13 are cylindrical rods or elliptic rods.

And can insert in first depression bar 12 at the sleeve 141 other end, the tip that first depression bar 12 and second depression bar 13 butt joint is equipped with cup joints ring 144, and sleeve 141 is equipped with chamfer or fillet with the tip that first depression bar 12 pegged graft, more is convenient for first depression bar 12 and second depression bar 13 cup joint as a whole.

When the guardrail assembly 1 is not used, the tail ends of the first compression bar 12 and the second compression bar 13 are rotationally connected with the hinging seat 2, so that the guardrail can be folded, the occupied area of the guardrail is reduced, a user can conveniently store the guardrail, when the guardrail is required to be used, the two vertical bars 11 are unfolded and stand at the two ends of the edge of a bed, then the first compression bar 12 and the second compression bar 13 rotate to be in a horizontal state, under the action of the elastic rope 14, the head ends of the first compression bar 12 and the second compression bar 13 are automatically butted and fixed, meanwhile, the sleeve 141 is inserted at the head end of the second compression bar 13 and fixed, and the head end of the sleeve 141 is in an arc shape, so that when the first compression bar 12 and the second compression bar 13 are butted, the guardrail can be smoothly butted together, thereby being fixed at the edge of the bed, and further realizing the corresponding protection effect; as shown in fig. 11, two ends of the elastic rope 14 are respectively sleeved on the fixing pin 142 or fixed inside the sleeve 141 through the fixing rings 143, and the fixing rings 143 are made of metal materials, in this embodiment, iron rings are adopted, and the sealing iron rings similar to two ends of a ham sausage are structurally arranged, so that the installation mode of the elastic rope 14 is simpler, and meanwhile, the fixing effect of two ends of the elastic rope 14 can be ensured, thereby effectively reducing the production cost and improving the production efficiency.

As shown in fig. 4, a sleeving ring 144 is arranged at the joint of the first compression bar 12 and the second compression bar 13, and the sleeving ring 144 can shield the joint of the first compression bar 12 and the second compression bar 13, so that the beauty of the guardrail in use is improved.

As shown in fig. 5 and 6, the fixing assembly 15 includes a bracket 151, a connection plug 152, a first connection pipe 153, and a second connection pipe 154; the support 151 has an L-shaped structure, and comprises a first loop bar and a second loop bar, which are fixedly connected with the tail ends of the first loop bar and the second loop bar, and the first loop bar and the second loop bar are mutually perpendicular; the support 151 has a pair of supports and is respectively arranged at the bottom of the vertical rod 11, and the first sleeve rod is inserted into the vertical rod 11; the connection plug 152 is disposed at the head end of the second loop bar and inserted into the interior of the second loop bar; the tail ends of the first connection pipe 153 and the second connection pipe 154 are fixedly connected with the connection plug 152, respectively, and the head end of the second connection pipe 154 is inserted into the head end of the first connection pipe 153.

When the two vertical rods 11 are unfolded and placed on the edge of a bed, firstly, the support 151 is arranged at the bottom of the vertical rod 11, then, the connecting plug 152 is fixed in the second loop bar, meanwhile, one end of the connecting plug 152, which is inserted into the second loop bar, is provided with a barb, and the second loop bar is provided with an opening matched with the barb, so that when the connecting plug 152 is inserted into the second loop bar, the connecting plug 152 can be fixed in the second loop bar through the matching of inverted hanging and the opening, and when the connecting plug 152 needs to be disassembled, the connecting plug 152 can be taken out by pushing out the barb through the opening; when the connection plug 152 is fixed to the second socket bar, the first connection pipe 153 and the second connection pipe 154 are fixedly connected to each other and fixed to the connection plug 152, thereby forming a supporting seat of the guardrail, and further, when the guardrail is placed on the edge of the bed, the supporting seat can be placed between the bed board and the mattress, thereby having supporting and fixing effects on the guardrail.

As shown in fig. 7: the hinge seat 2 is provided with a positioning component 21 for fixing the vertical rod 11 and the support 151, and the hinge seat 2 is provided with a placement groove; the positioning assembly 21 includes a positioning button 211, a rotation shaft 212, an elastic pin 213, and a lock nut 214; the positioning button 211 is arranged inside the placement groove; a rotation shaft 212 is provided inside the seating groove, the rotation shaft 212 penetrates the positioning button 211 and is rotatably connected with the positioning button 211, and an axial direction of the rotation shaft 212 is perpendicular to a horizontal plane; the elastic pin 213 is fixed to the positioning button 211 by engagement with the lock nut 214, and the elastic pin 213 penetrates from the outside of the positioning button 211 to the inside of the hinge base 2, and in the operating state, the elastic pin 213 penetrates from the outside of the vertical rod 11 to the inside of the holder 151.

The positioning button 211 is arranged in the installation groove, one end of the positioning button 211 is fixed with the elastic pin 213 through the locking nut 214, a compression spring (not shown in the figure) connected with the positioning button 211 is arranged at one end of the installation groove far away from the elastic pin 213, and then before the support 151 is inserted into the vertical rod 11, the positioning button 211 is pressed, so that the elastic pin 213 is pulled out from the inner side of the hinging seat 2, and then the support 151 can be inserted into the vertical rod 11, then the pressing of the positioning button 211 is released, so that under the action of the compression spring, the positioning button 211 resets, and then the elastic pin 213 is inserted into the hinging seat 2, and penetrates into the support 151 from the outer side of the vertical rod 11, and meanwhile, the through holes on the support 151 used for the elastic pin 213 can be linearly distributed on the first loop bar, and then the relative position between the support 151 and the vertical rod 11 can be adjusted until the guardrail is adjusted to a proper position, and comfort of a user in use is ensured.

As shown in fig. 8 and 9: the opposite surfaces of the two hinging seats 2 are respectively provided with a fixed groove, and the inside of the fixed groove is provided with a rotating seat 22; the rotating seat 22 is rotationally connected with the fixed groove, a positioning block is arranged at the tail part of the rotating seat 22, and a positioning pin 221 is arranged in the positioning block; the positioning pin 221 penetrates from the inside to the outside of the positioning block, and a compression spring 222 is arranged between the positioning pin 221 and the positioning block; the fixed groove is provided with a first chute 23 for guiding the positioning pin 221 to slide and a positioning hole for allowing the positioning pin 221 to pass through; the tail ends of the first compression bar 12 and the second compression bar 13 are respectively fixedly connected with the rotating seat 22.

When two montants 11 expand, the rotation seat 22 fixedly connected with the first compression bar 12 and the second compression bar 13 respectively starts rotating, the locating pin 221 inside the locating block starts to be close to the first chute 23 at the moment, so that the locating pin 221 slides into the fixing groove along the first chute 23, after the montant 11 expands to the maximum state, the locating pin 221 just reaches the locating hole and passes through the locating hole, so that the rotation seat 22 is limited to be unable to rotate continuously, the condition that the first compression bar 12 and the second compression bar 13 are separated in the using process of the guardrail is avoided, the first compression bar 12 and the second compression bar 13 are continuously ensured to be in a horizontal state, meanwhile, the fixing groove is positioned above a mattress when the guardrail is placed on the bedside, so that the first compression bar 12 and the second compression bar 13 can be directly pressed on the bedside under the adjustment of the locating component 21, and the guardrail can be ensured to be stably arranged on the bedside under the mutual assistance of the support 151, and thus the good protection effect of the guardrail is ensured.

As shown in fig. 2 and 10: a supporting component 3 is arranged between the top ends of the two vertical rods 11; the support assembly 3 includes a first support bar 31, a second support bar 32, a connection block 33, and a mounting assembly 34; the head end of the second support bar 32 is inserted into the interior of the head end of the first support bar 31; the connecting blocks 33 are provided with two tail ends respectively arranged on the first supporting rod 31 and the second supporting rod 32, and the connecting blocks 33 are detachably and fixedly connected with the mounting assembly 34; the mounting assemblies 34 have two and are respectively provided at the top ends of the vertical bars 11.

When two montants 11 are unfolded to the maximum state and placed to the bed edge, first the head ends of first bracing piece 31 and second bracing piece 32 are pegged graft together, afterwards install connecting block 33 at the tail end of first bracing piece 31 and second bracing piece 32, then insert connecting block 33 in installation component 34, and then fix installation component 34 at the tail end of first bracing piece 31 and second bracing piece 32, so can fix the support component 3 that the equipment finishes to the top of montant 11 through installation component 34, and then support the guardrail that finishes, avoid the condition that the montant 11 top does not support and take place to collapse, can set up articles such as decorative rope, decorative net that can quick detach between bracing piece and depression bar simultaneously, and then increase the holistic aesthetic measure of guardrail, and can avoid the child of smaller size to roll off from the neutral in the middle of the guardrail, so the guard action of guardrail is improved.

As shown in fig. 10: the mounting assembly 34 includes a mounting seat 341, a top seat 342 and a fixed knob 343; the mounting seat 341 is sleeved on the top end of the vertical rod 11, and avoidance holes for avoiding the fixed round buttons 343 are respectively formed in the mounting seat 341 and the vertical rod 11; the top seat 342 is arranged at the top of the mounting seat 341, and the top seat 342 is inserted into the vertical rod 11; the fixed round button 343 is disposed inside the top seat 342 and slidably connected with the top seat 342, and in an operating state, the fixed round button 343 extends out from the avoiding holes on the vertical rod 11 and the mounting seat 341, so as to limit the mounting seat 341 and the top seat 342 on the vertical rod 11.

After the first support rod 31 and the second support rod 32 are fixed with each other, the first support rod 31 and the second support rod 32 are inserted into the installation seat 341 through the connecting block 33 installed at the tail part, then the installation seat 341 is sleeved on the top end of the vertical rod 11, then the top seat 342 with the fixed round button 343 is inserted into the vertical rod 11 from the upper part of the installation seat 341, meanwhile, the top seat 342 is provided with a barb, after the top seat 342 is inserted into a preset position, the barb hooks the inside of the vertical rod 11, then the top seat 342 is limited at the preset position, and then the fixed round button 343 is ejected out of the top seat 342, so that the installation seat 341 is limited at the preset position along the avoiding holes on the vertical rod 11 and the installation seat 341, and the two vertical rods 11 are supported through the first support rod 31 and the second support rod 32; when the support assembly 3 needs to be detached, the fixed round button 343 is pressed into the top seat 342, so that the mounting seat 341 can slide on the vertical rod 11, the mounting seat 341 moves downwards and is far away from the top seat 342, then the barbs of the top seat 342 are pressed, the top seat 342 can be pulled out from the inside of the vertical rod 11, and then the mounting seat 341 is pulled out from the top end of the vertical rod 11, so that the support assembly 3 is taken down from the guardrail.

As shown in fig. 10: the outer side of the fixed round button 343 is provided with a first sliding rail 3431; the top base 342 is provided therein with a first sliding groove 3421 which cooperates with the first sliding rail 3431.

The bottom side of fixed round button 343 is equipped with and is used for the inclined plane, and then ensures that footstock 342 can be smooth inside inserting montant 11, the top of fixed round button 343 is equipped with the recess simultaneously, so after fixed round button 343 passes the hole of dodging of montant 11 and mount pad 341, will dodge the inner wall card in the recess inside, with this further top with the mount pad 341 restriction at montant 11, so fixed round button 343 realizes sliding connection with footstock 342 through the cooperation of first slide rail 3431 and first spout 3421, so ensure that fixed round button 343 can not take place the rotation by oneself, and then avoid the position of inclined plane and recess to change.

Example 2:

in comparison with the embodiment 1, as shown in fig. 8, the rotation seat 22 is further provided with a mounting plate 223 and a first bolt 224; the mounting plate 223 is arranged outside the positioning block; the first bolt 224 matrix sets up in the outside of mounting panel 223, and first bolt 224 runs through mounting panel 223 and with locating piece threaded connection, is equipped with mounting panel 223 outside the locating piece that is equipped with locating pin 221 and compression spring 222 to mounting panel 223 passes through first bolt 224 to be fixed on the locating piece, so that when the inside locating pin 221 of locating piece or compression spring 222 appear damaging, can dismantle mounting panel 223 fast, and then change locating pin 221 or compression spring 222, ensure that the guardrail can continue to use.

As shown in fig. 8, the end of the rotating seat 22 away from the hinge seat 2 is provided with a second chute 225 which is convenient for a user to use, when the user needs to fold up the guardrail for storage, the positioning pin 221 is pressed from the outer side of the hinge seat 2, so that the positioning pin 221 is retracted into the rotating seat 22, thereby ensuring that the rotating seat 22 can rotate, then the user can drive the rotating seat 22 to rotate by hooking the second chute 225, and further fold up the guardrail, and meanwhile, the second chute 225 arranged on the rotating seat 22 can facilitate the user to insert the first compression bar 12 or the second compression bar 13 into the rotating seat 22, or facilitate the user to take out the compression bar from the rotating seat 22.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (10)

1. The hinging device for the bed guardrail pressing rod is characterized by comprising a guardrail assembly (1), wherein the guardrail assembly (1) comprises two vertical rods (11), and a first pressing rod (12) and a second pressing rod (13) which are arranged between the two vertical rods (11);

elastic ropes (14) are arranged between two ends, close to each other, of the first compression bar (12) and the second compression bar (13), and elastic connection between the first compression bar (12) and the second compression bar (13) is achieved through the elastic ropes (14);

two opposite ends of the first compression bar (12) and the second compression bar (13) are respectively provided with a hinging seat (2), and the hinging seat (2) is provided with a rotating seat (22); the first compression bar (12) and the second compression bar (13) are respectively rotatably arranged on the hinging seat (2) through a rotating seat (22);

the tail part of the rotating seat (22) is provided with a positioning block, the inside of the positioning block is provided with a positioning pin (221), one end of the positioning pin (221) is provided with a compression spring (222) which is in butt joint with the positioning pin, and the other end of the positioning pin (221) can extend outwards from the inside of the positioning block through the compression spring (222);

the hinge seat (2) is also provided with a fixed slot matched with the positioning block, the rotating seat (22) is rotatably arranged in the fixed slot, and the side wall of the fixed slot is provided with a positioning hole which can be matched and clamped with the positioning pin (221).

2. A hinging device for a bed guard bar compression bar according to claim 1, characterized in that the hinging seat (2) is further provided with a positioning assembly (21) for fixing the vertical bar (11) and the support (151);

the positioning assembly (21) comprises a positioning button (211), a rotating shaft (212), an elastic pin (213) and a locking nut (214);

the hinging seat (2) is provided with a placement groove, and the positioning button (211) is arranged in the placement groove;

the rotating shaft (212) is arranged in the accommodating groove, the rotating shaft (212) penetrates through the positioning button (211) and is rotationally connected with the positioning button (211), and the axial direction of the rotating shaft (212) is perpendicular to the horizontal plane;

the elastic pin (213) is fixed on the positioning button (211) through the cooperation with the lock nut (214), the elastic pin (213) penetrates from the outer side of the positioning button (211) to the inside of the hinge seat (2), and in the working state, the elastic pin (213) penetrates from the outer side of the vertical rod (11) to the inside of the support (151).

3. A hinging device for a bed guard bar compression bar according to claim 1, characterized in that the swivel base (22) is further provided with a mounting plate (223) and a first bolt (224);

the mounting plate (223) is arranged on the outer side of the positioning block;

the first bolt (224) matrix is arranged on the outer side of the mounting plate (223), and the first bolt (224) penetrates through the mounting plate (223) and is in threaded connection with the positioning block.

4. A hinging device for a bed guard bar according to claim 1, characterized in that one end of the second compression bar (13) is provided with a sleeve (141), the first compression bar (12) being internally provided with a fixing pin (142);

one end of the elastic rope (14) is folded and locked and fixed through a fixing ring (143) to form a lantern ring which can be sleeved on the fixing pin (142); the other end of the elastic rope (14) passes through the sleeve (141), and a fixing ring (143) is arranged at the end part passing through the sleeve (141), and the fixing ring (143) is abutted with the inner wall of the sleeve (141), so that the fixation of the two ends of the elastic rope (14) is realized.

5. A hinge device for a bed guard strut according to claim 4, characterized in that the first strut (12) and the second strut (13) are both cylindrical rods, or oval rods.

6. A hinge assembly for a bed rail strut according to claim 4, wherein the other end of the sleeve (141) is insertable into the first strut (12).

7. A hinge assembly for a bed rail strut according to claim 4, wherein the end of the first strut (12) and the second strut (13) that are in abutment is provided with a socket ring (144).

8. A hinging device for a bed rail strut according to claim 6, characterized in that the end of the sleeve (141) that is inserted into the first strut (12) is provided with a chamfer or rounded corner.

9. A hinge assembly for a bed rail strut according to claim 1, wherein the side wall of the fixed slot is further provided with a first chute (23) for guiding the positioning pin (221) to slide into the positioning hole.

10. A hinging device for a bed guard bar compression bar according to claim 1, characterised in that the end of the swivel seat (22) is further provided with a second chute (225) for user convenience.