CN220937421U - Multi-section type bedstead adjusting rack and bedstead - Google Patents

Abstract

The utility model discloses a multistage type bedstead adjusting frame and a bedstead, wherein the multistage type bedstead adjusting frame comprises a fixed mounting plate, a first supporting rod, a bearing mounting plate, a third supporting rod and a second supporting rod which are sequentially connected, and a five-connecting-rod mechanism formed by closed loops; the two ends of the first telescopic rod are respectively rotatably installed with the second supporting rod and the fixed mounting plate, and the first telescopic rod, the second supporting rod and the fixed mounting plate form a triangular structure; the two ends of the second telescopic rod are respectively rotatably installed with the bearing mounting plate and the first supporting rod, and the second telescopic rod, the bearing mounting plate and the first supporting rod form a triangular structure; this multistage formula bedstead alignment jig and bedstead through increase gas spring in head of a bed rotation position, increases the suppression to head of a bed position connecting rod motion, and adjusts the relation of arranging of rear end support connecting rod and gas spring, increases gas spring stopper, makes the bed board lift and after the leveling, forms stable support in the alignment jig, and it does not receive top gravity change and produces the problem of shake, promotes stability and experience and feel.

Description

Multi-section type bedstead adjusting rack and bedstead

Technical Field

The utility model relates to the technical field of furniture, in particular to a manually lifting leveling type bedstead.

Background

Under the condition that the area of the house is unchanged, the available space in the house becomes particularly important, so that the appearance of the storage bed well helps people save space, and users can store articles under the storage bed, so that redundant articles cannot occupy indoor space.

In the prior art, most bed frames are hinged at one end, and the other end is hinged in a mode of a gas spring or an electric telescopic rod, so that one end of the bed board can be lifted up until the tail part of the bed board is inclined upwards, the bed bottom is leaked out, and the requirement of loading objects at the lower layer of the bed board is met;

the Chinese patent application numbers 2015207623357 and 2022236024846 respectively disclose a storage bed and a translational skeleton bed, wherein the storage bed and the translational skeleton bed form a four-bar mechanism by adding a connecting bar at the hinged position of the bed head, so that the bed board can be turned to a horizontal state after being lifted, namely, the head space of the lifted bed board is increased, the bed board is convenient to clean, and meanwhile, the bed board can be placed flat, and the articles above the bed board are kept from sliding off;

However, in the storage bed with the application number 2015207623357, because the connecting rod at the rotating position of the storage bed has no other constraint except for gravity in the rotating process of the bed plate, the degree of freedom is higher, the problem of head jumping can occur, the influence on the overturning stability of the bed plate is larger, and the use experience is influenced;

The translational framework bed with the application number of 2022236024846 is characterized in that a spring is added to a connecting rod at a rotating position to inhibit the action of the connecting rod, but in the actual use, the pulling force of the spring is limited in an initial stress stage, the motion quantity of the connecting rod is limited, the problem that a bed head is jumped is difficult to solve, and because the spring and the front end gas spring are both lack of a limiting device in the maximum stroke, when the bed frame rises and overturns to a horizontal position, the front end gas spring and the rear end spring of the bed frame are required to keep balanced with two acting forces, so that the bed board is in a horizontal state, but in the actual use, the acting forces are difficult to keep balanced all the time under the influence of a mattress above the bed board or placed articles, so that the bed board can continuously translate forwards until the bed head is lowered, the bed head rises, and when the mass of a top heavy object fluctuates, such as the temporary increase of the heavy object, the balance of the spring and the gas spring is broken, the condition that the bed board is required to be moved, the whole stability is poor, and the use experience is poor.

Therefore, a bed frame and a bed frame regulator have been developed that can stabilize the load bearing when the bed board is lifted and kept horizontal, and the opening and closing process is stable and does not jump, so as to improve the overall stability.

Disclosure of utility model

The utility model aims to overcome the existing defects, and provides a multi-section type bedstead adjusting frame and a bedstead, wherein a gas spring is added at the rotating position of a bedside, so that the inhibition of the movement of a connecting rod at the bedside position is increased, the arrangement relation of a supporting connecting rod at the rear end and the gas spring is adjusted, a gas spring limiter is added, after a bed board is lifted and leveled, a stable support is formed in the adjusting frame, the problem of shaking caused by the change of top gravity is avoided, the stability and the use experience are improved, and the problems in the background art can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a multi-section bed frame alignment frame comprising:

the fixed mounting plate, the first supporting rod, the bearing mounting plate, the third supporting rod and the second supporting rod are sequentially connected, and a five-bar mechanism is formed by closed loops;

the two ends of the first telescopic rod are respectively rotatably installed with the second supporting rod and the fixed mounting plate, and the first telescopic rod, the second supporting rod and the fixed mounting plate form a triangular structure;

The two ends of the second telescopic rod are respectively rotatably installed with the bearing mounting plate and the first supporting rod, and the second telescopic rod, the bearing mounting plate and the first supporting rod form a triangular structure;

And when the second telescopic rod is in the maximum stroke, the second telescopic rod can be limited to be shortened by starting the limiter, and after the limiter is released, the second telescopic rod can be shortened to be reset.

As a preferable technical scheme of the utility model, the first telescopic rod and the second telescopic rod are gas springs or electric telescopic rods.

As a preferable technical scheme of the utility model, the rotation connection points of the bearing mounting plate, the third support rod, the first support rod and the second telescopic rod are c, b and a, the b point is between the c point and the a point, and the three points are not overlapped;

The rotating connection points of the first support rod, the second telescopic rod and the fixed mounting plate are h and i respectively, and the h point is positioned on one side, close to the i point, between the b point and the i point.

As a preferable technical scheme of the utility model, the rotation connection points of the second support rod, the third support rod and the fixed mounting plate are d and g respectively, the rotation connection points of the first telescopic rod, the second support rod and the fixed mounting plate are e and f respectively, the e point is positioned on one side between the d point and the g point and close to d, when the first telescopic rod is in the maximum stroke, the e, g and f points form an obtuse triangle, the obtuse angle is positioned at the g point, when the first telescopic rod is in the minimum stroke, the e, g and f points form a right triangle, and the right angle is positioned at the f point.

As a preferable technical scheme of the utility model, the second telescopic rod is a gas spring, one end of the limiter is rotatably arranged with one end of the second telescopic rod, and when the second telescopic rod extends to the maximum stroke, the limiter can rotationally wrap the polish rod part of the gas spring to inhibit the polish rod from retracting.

Also discloses a multi-section bed frame, which comprises an adjusting frame, a bed body and a bed board;

The adjusting frame comprises a plurality of adjusting frames,

The fixed mounting plate, the first supporting rod, the bearing mounting plate, the third supporting rod and the second supporting rod are sequentially connected, and a five-bar mechanism is formed by closed loops;

the two ends of the first telescopic rod are respectively rotatably installed with the second supporting rod and the fixed mounting plate, and the first telescopic rod, the second supporting rod and the fixed mounting plate form a triangular structure;

The two ends of the second telescopic rod are respectively rotatably installed with the bearing mounting plate and the first supporting rod, and the second telescopic rod, the bearing mounting plate and the first supporting rod form a triangular structure;

The limiting device is started to limit the second telescopic rod to be shortened when the second telescopic rod is in the maximum stroke, and the second telescopic rod can be shortened to be reset after the limiting device is released;

the adjusting frame is fixedly arranged at one end, close to the bed head, of two sides of the inner part of the bed body, the fixed mounting plate is fixedly arranged with the bed body, and the bearing mounting plate is fixedly arranged with the bed board;

one end of the fixed mounting plate is provided with a limiting support, and a support angle iron is arranged in the tail end of the bed body; when the bed board is at the lowest flat position, the limiting support can support the second supporting rod to limit the second supporting rod to rotate downwards, and the supporting angle iron can support the corner of the tail end of the bed board.

As a preferable technical scheme of the utility model, a transverse reinforcing rod is fixedly arranged between the third supporting rods of the two side adjusting frames, an arched transverse support is fixedly arranged between the fixed mounting plates of the two side adjusting frames, supporting legs for bearing are arranged in the transverse support, and when the bed board is at the lowest flat position, the transverse support can support the bed board for bearing.

Compared with the prior art, the utility model has the beneficial effects that: the multistage bedstead adjusting rack and the bedstead adopt the gas spring or the electric telescopic rod to replace the spring in the prior art, the connecting rod at the overturning position is subjected to motion inhibition, the gas spring is taken as an example, the first telescopic rod, the second supporting rod and the fixed mounting plate form a triangular structure, when the bed board is lifted upwards, the gas spring needs to be compressed, and the second supporting rod can only rotate, so that a larger rotation inhibition effect is achieved on the second supporting rod, and the problem of jumping of the bed head in the lifting process of the bed board is effectively solved;

When the bed tail is lifted, the bed board can keep a stable inclined state due to the rotation inhibition of the first telescopic rod on the second supporting rod, so that the bed tail has a larger space, and the object contained in the bed tail can be conveniently taken and the internal space can be conveniently cleaned;

Meanwhile, a limiter is added, when the second telescopic rod extends to the maximum stroke, the second telescopic rod is limited, retraction of the second telescopic rod is avoided, namely, after the bed board is lifted, the length of the second telescopic rod is fixed, and the second telescopic rod and the bearing mounting plate and the first support rod are of a triangular structure with fixed stroke, so that the bearing mounting plate and the first support rod are prevented from rotating relatively again, stability of the lifted bed board is ensured, and the problem of shaking caused by mass change of weights above the bed board is avoided;

Meanwhile, in the application, the fixed mounting plate, the first support rod, the bearing mounting plate, the third support rod and the second support rod are sequentially connected, a five-bar mechanism is formed by closed loops, more degrees of freedom are provided, and the telescopic length and the telescopic time difference of the first telescopic rod and the second telescopic rod are controlled, so that the bed board can be controlled to have various fixable inclined angles, and the requirements of various use scenes are met;

In addition, the bed frame is internally provided with the transverse support, namely the stability between the two side plates of the bed body is improved, and meanwhile, after the bed plate is reset, the support of the bed plate is increased, the support performance of the middle position of the bed plate is improved, and the problem of middle collapse caused by insufficient rigidity of the bed plate is solved.

Drawings

FIG. 1 is a schematic diagram of a merging state structure of an adjusting frame according to the present utility model;

FIG. 2 is a plan view showing the combined state of the adjusting frame of the present utility model;

FIG. 3 is a diagram showing the structure of the adjusting frame in the lifted state of the present utility model;

FIG. 4 is a plan view showing the lifted state of the adjusting frame of the present utility model;

FIG. 5 is a schematic diagram of the structure of the adjusting frame in the lifted and leveled state according to the present utility model;

FIG. 6 is a plan view of the utility model in a lifted-up leveling state;

FIG. 7 is a schematic diagram showing the combined structure of the bed frame according to the present utility model;

FIG. 8 is a plan view showing the combination state of the bed frame according to the present utility model;

FIG. 9 is a diagram showing the structure of the frame in the lifted state of the present utility model;

FIG. 10 is a plan view showing the lifted state of the bed frame according to the present utility model;

FIG. 11 is a schematic diagram showing the structure of the bed frame in the lifted and leveled state according to the present utility model;

FIG. 12 is a plan view showing the lifting and leveling state of the bed frame according to the present utility model;

Fig. 13 is a schematic view showing an assembled state of the adjusting frame in the bed frame of the present utility model.

In the figure: 1. an adjusting frame; 11. a fixed mounting plate; 111. limiting and supporting; 12. a load-bearing mounting plate; 13. a first support bar; 14. a second support bar; 15. a third support bar; 16. a first telescopic rod; 17. a second telescopic rod; 18. a limiter; 2. a bed body; 201. supporting angle iron; 3. a bed board; 4. a transverse support; 5. transverse reinforcing bars.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

Referring to fig. 1-6, the present utility model provides a technical solution: a multi-section bed frame alignment frame comprising:

The fixed mounting plate 11, the first supporting rod 13, the bearing mounting plate 12, the third supporting rod 15 and the second supporting rod 14 are sequentially connected, and a five-bar linkage mechanism is formed by closed loops;

the two ends of the first telescopic rod 16 are respectively rotatably installed with the second supporting rod 14 and the fixed mounting plate 11, and the first telescopic rod 16, the second supporting rod 14 and the fixed mounting plate 11 form a triangular structure;

the two ends of the second telescopic rod 17 are respectively rotatably installed with the bearing mounting plate 12 and the first supporting rod 13, and the second telescopic rod 17, the bearing mounting plate 12 and the first supporting rod 13 form a triangular structure;

And a stopper 18, when the second telescopic rod 17 is at the maximum stroke, the stopper 18 is started to limit the shortening of the second telescopic rod 17, and after the stopper 18 is released, the second telescopic rod 17 can be shortened to be reset.

The first telescopic rod 16 and the second telescopic rod 17 are gas springs;

Referring to fig. 2, 4 and 6, the rotation connection points of the bearing mounting plate 12 and the third support rod 15, the first support rod 13 and the second telescopic rod 17 are c, b and a, respectively, the point b is between the point c and the point a, and all the three points are not overlapped;

The rotation connection points of the first support rod 13, the second telescopic rod 17 and the fixed mounting plate 11 are h and i respectively, and the h point is positioned at one side between the b point and the i point and close to the i point;

Referring to fig. 1 and 2, when the bed boards 3 are in the combined state,

The second supporting rod 14 is restrained from rotating under the action of the first telescopic rod 16, namely, the second supporting rod 14 and the fixed mounting plate 11 have stable relative position relation, the third supporting rod 15, the bearing mounting plate 12, the first supporting rod 13 and the fixed mounting plate 11 form a four-bar mechanism, and the second telescopic rod 17 is used as a driving piece;

a. the three points b and h form an obtuse triangle, at the moment, the obtuse angle is at the point a, the second telescopic rod 17 is in a compressed state, at the moment, the second telescopic rod 17 is smaller than or equal to the force of the bed plate 3 acting on the point a, and the bed plate 3 is in a stable state;

When the bed tail provides upward lifting force, the force acting on the point a of the bed plate 3 is reduced until the force is smaller than the acting force of the second telescopic rod 17, the second telescopic rod 17 stretches, at the moment, the obtuse angle of the point a is reduced, namely the component force of the second telescopic rod 17 acting on the normal direction of the bed plate 3 is gradually increased, and the bed plate 3 can be driven to automatically lift up until the bed plate 3 lifts up to the maximum angle;

Referring to fig. 3 and 4, when the bed board 3 is lifted to the maximum angle, three points a, b and h form a right triangle, at the point a, the right angle is at the point a, the second telescopic rod 17 is in the maximum stroke, after the limiter 18 is opened, the second telescopic rod 17 cannot be shortened, the second telescopic rod 17, the bearing mounting plate 12 and the first supporting rod 13 form a stable triangle, namely, the three parts keep a stable relative position relationship, and the bed board 3 can be leveled by rotating the second supporting rod 14;

Meanwhile, a third supporting rod 15 is added to form a four-bar structure, the third supporting rod 15 can rotate clockwise in the lifting process of the bed board 3, the first bed head can move towards the tail end of the bed in the lifting process, and avoid with the backrest of the bed head, so that abrasion to the backrest of the bed head is reduced;

Meanwhile, although the first telescopic rod 16 suppresses the rotation of the second supporting rod 14, in actual work, the first telescopic rod 16 still has a certain compression amount, namely, when the mattress above the mattress board 3 is thicker, and the horizontal movement amount of the mattress board 3 provided by the clockwise rotation amount of the third supporting rod 15 is insufficient to meet the space required by the mattress board 3 and the mattress turning, the compression coefficient of the first telescopic rod 16 can be adjusted to reduce the suppression force, so that the second supporting rod 14 rotates slightly clockwise, at the moment, the d point moves towards the tail section of the mattress, namely, the horizontal movement amount of the head of the mattress board 3 is increased, thereby avoiding the abrasion between the top of the mattress and the backrest of the bed head.

Referring to fig. 5 and 6, the rotational connection points of the second support rod 14 and the third support rod 15 and the fixed mounting plate 11 are d and g, respectively, the rotational connection points of the first telescopic rod 16 and the second support rod 14 and the fixed mounting plate 11 are e and f, respectively, the e point is located at one side between the d point and the g point near d, when the first telescopic rod 16 is in the maximum stroke, the e, g and f points form an obtuse triangle, the obtuse angle is at the g point, when the first telescopic rod 16 is in the minimum stroke, the e, g and f points form a right triangle, and the right angle is at the f point.

When the second telescopic rod 17 is locked, the fixed mounting plate 11, the second supporting rod 14, the third supporting rod 15 and the bearing mounting plate 12 form a four-bar mechanism, and the angle adjustment of the bearing mounting plate 12 can still be performed, and in the process, the first telescopic rod 16 is used as a driving piece;

Referring to fig. 5 and 6, after the bed board 3 is leveled, the three points a, b and h form a right angle, and the first telescopic rod 16 is in the shortest stroke, at this time, the first telescopic rod 16 still has an extension trend, and provides thrust to the point e, at this time, according to the lever principle, the gravity at the bottom of the bed board 3 is greater than or equal to the acting force of the first telescopic rod 16, and can maintain the balance of the bed board 3, when the weight in the middle part or the tail end of the bed board 3 is continuously increased, the weight is limited by the minimum stroke of the first telescopic rod 16, the second supporting rod 14 does not rotate clockwise, namely, the problem that the bed tail is pressed down and the bed head is tilted up does not occur.

Referring to fig. 1-6, the second telescopic rod 17 is a gas spring, one end of the limiter 18 is rotatably installed with one end of the second telescopic rod 17, and when the second telescopic rod 17 extends to the maximum stroke, the limiter 18 can rotate to wrap a polish rod part of the gas spring, so that the polish rod is restrained from retracting;

When the telescopic link adopts the gas spring structure, it mainly provides thrust, when it receives the compression, can provide great holding power, but when using in the bedstead, too big holding power can cause the difficulty that bed board 3 was consolidated again, consequently after selecting the gas spring of suitable thrust, adopts stopper 18 structure, can solve this problem, provides sufficient holding power promptly, also can satisfy the demand that bed board 3 was consolidated.

Referring to fig. 4 and 6,h, the point is not coincident with the point i, and the effect of helping force can be achieved when the bed boards 3 are combined;

When the bed board 3 is combined, the action of the limiter 18 is canceled, and when the bed tail is pressed down, on one hand, the second telescopic rod 17 is compressed to shorten the bed tail, so that the height of the bed tail is lowered, and meanwhile, the second telescopic rod 17 transmits force to the root of the first supporting rod 13 to enable the bed tail to rotate anticlockwise, namely, the bed board 3 moves forwards integrally, the bed head moves downwards simultaneously, the height of the bed head from the ground is always not larger than the height of the bed tail from the ground, and the problem of upward tilting of the bed head can be avoided; namely, in the combining process of the bed plate 3, the head of the bed plate 3 cannot wear the backrest of the bed head.

Referring to fig. 7-12, a multi-stage bed frame comprises an adjusting frame 1, a bed body 2 and a bed board 3;

The adjusting rack 1 comprises a plurality of adjusting racks,

The fixed mounting plate 11, the first supporting rod 13, the bearing mounting plate 12, the third supporting rod 15 and the second supporting rod 14 are sequentially connected, and a five-bar linkage mechanism is formed by closed loops;

the two ends of the first telescopic rod 16 are respectively rotatably installed with the second supporting rod 14 and the fixed mounting plate 11, and the first telescopic rod 16, the second supporting rod 14 and the fixed mounting plate 11 form a triangular structure;

the two ends of the second telescopic rod 17 are respectively rotatably installed with the bearing mounting plate 12 and the first supporting rod 13, and the second telescopic rod 17, the bearing mounting plate 12 and the first supporting rod 13 form a triangular structure;

The limiter 18 is started to limit the second telescopic rod 17 to be shortened when the second telescopic rod 17 is in the maximum stroke, and the second telescopic rod 17 can be shortened to be reset after the limiter 18 is released;

The adjusting frame 1 is fixedly arranged at one end, close to the bed head, of two sides of the interior of the bed body 2, the fixed mounting plate 11 is fixedly arranged with the bed body 2, and the bearing mounting plate 12 is fixedly arranged with the bed plate 3;

One end of the fixed mounting plate 11 is provided with a limit support 111, and the inside of the tail end of the bed body 2 is provided with a support angle iron 201; when the bed board 3 is at the lowest flat position, the limiting support 111 can support the second support rod 14 to limit the downward rotation of the second support rod, and the support angle iron 201 can support the corner of the tail end of the bed board 3;

Referring to fig. 2 and 4, the second support rod 14 is limited by arranging the limiting support 111, so that the second support rod 14 is prevented from rotating anticlockwise when the bed board 3 is in the combined state;

Meanwhile, the support angle iron 201 is used for supporting the tail of the bed plate 3, so that the stability of the bed plate 3 in the combined state is ensured.

Referring to fig. 13, a transverse reinforcing rod 5 is fixedly arranged between the third supporting rods 15 of the two side adjusting frames 1, an arched transverse support 4 is fixedly arranged between the fixed mounting plates 11 of the two side adjusting frames 1, supporting legs for bearing are arranged in the transverse support 4, and when the bed board 3 is at the lowest flat position, the transverse support 4 can support the bed board 3 for bearing;

Through increasing horizontal support 4 at the head of a bed end, support the corresponding position of human back, reduce the deformation of bed board 3 intermediate position, guarantee the stability that bed board 3 supported.

The application has the concrete working process that an upward acting force is applied to the bed tail section, the second telescopic rod 17 stretches, the bed board 3 turns anticlockwise, namely the tail part is tilted, in the process, the third supporting rod 15 rotates clockwise, the head part of the bed board 3 moves backwards and upwards by a small stroke, until the second telescopic rod 17 stretches to the maximum stroke, and the bed board 3 is in an inclined state;

The limiter 18 is then turned over to limit the second telescopic rod 17 to avoid retraction, the tail of the bed plate 3 is pressed down, and the bed plate 3 rotates clockwise around the point i until the first telescopic rod 16 is compressed to the shortest stroke, and the bed plate 3 is in an up-lifting leveling state.

When the bed boards are required to be combined, the limiter 18 is opened, the bed board 3 is pushed and pressed down to one side of the bed head, at the moment, the first telescopic rod 16 stretches to drive the second supporting rod 14 to rotate anticlockwise, the second telescopic rod 17 shortens to drive the first supporting rod 13 to rotate anticlockwise until the first supporting rod and the bed board are reset, and the bed board 3 is in a combined state;

In the lifting and merging state process of the bed plate 3, the stroke dead points of the gas springs are skillfully utilized to fix the state of the bed plate 3, and in the moving process of the bed plate, the gas springs can provide enough pushing force, only small external force is needed to change the stressed balance state, so that the force applied by a user is small, the use experience is large, in addition, in the whole process, the gas springs can inhibit redundant movement of all parts, and the problem of shaking of the bed plate 3 is avoided.

Embodiment two:

the first telescopic rod 16 and the second telescopic rod 17 are electric telescopic rods, and the limiter 18 is eliminated;

In the initial stage, the bed board 3 is in a merging state, at the moment, the second telescopic rod 17 stretches to drive the bearing mounting plate 12 to rotate anticlockwise around the point b, the first supporting rod 13 rotates clockwise around the point i, the bed tail rises at the moment, the bed board 3 is in an inclined state, and the electric telescopic rod can stop at any time and keep the length, namely, the bed board 3 can obtain different stop angles;

When the second telescopic rod 17 extends to a specified length, the action is stopped, the first telescopic rod 16 starts to shorten, the second supporting rod 14 is driven to rotate clockwise around the point g, the bed head position is driven to move upwards, and the bearing mounting plate 12 rotates clockwise around the point c, so that the bed board 3 is in an upward lifting horizontal state;

And the above steps are reversed, so that the combination state of the bed board 3 can be restored.

Or when the bed board 3 is in a combined state, the second telescopic rod 17 is firstly extended, then the first telescopic rod 16 is started, the second telescopic rod 17 is simultaneously extended and shortened, at the moment, the bed board 3 rotates clockwise with a small horizontal included angle, and the horizontal included angle is gradually reduced until the bed board 3 moves to an upward-lifting horizontal state;

When the electric telescopic rod is used for replacing the gas spring, the distance between the points a and b is increased, and the acting force arm of the second telescopic rod 17 is increased.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A multi-section bed frame alignment frame comprising:

The fixed mounting plate (11), the first supporting rod (13), the bearing mounting plate (12), the third supporting rod (15) and the second supporting rod (14) are sequentially connected, and a five-bar mechanism is formed by closed loops;

The two ends of the first telescopic rod (16) are respectively rotatably mounted with the second supporting rod (14) and the fixed mounting plate (11), and the first telescopic rod (16), the second supporting rod (14) and the fixed mounting plate (11) form a triangular structure;

The two ends of the second telescopic rod (17) are respectively rotatably mounted with the bearing mounting plate (12) and the first supporting rod (13), and the second telescopic rod (17), the bearing mounting plate (12) and the first supporting rod (13) form a triangular structure;

And a limiter (18), wherein when the second telescopic rod (17) is in the maximum stroke, the limiter (18) is started to limit the shortening of the second telescopic rod (17), and after the limiter (18) is released, the second telescopic rod (17) can be shortened and reset.

2. The multi-section bed frame alignment frame of claim 1 wherein: the first telescopic rod (16) and the second telescopic rod (17) are gas springs or electric telescopic rods.

3. The multi-section bed frame alignment frame of claim 1 wherein: the rotation connection points of the bearing mounting plate (12) and the third support rod (15), the first support rod (13) and the second telescopic rod (17) are c, b and a, the b point is between the c point and the a point, and the three points are not overlapped;

The rotating connection points of the first supporting rod (13), the second telescopic rod (17) and the fixed mounting plate (11) are h and i respectively, and the h point is positioned on one side, close to the i point, between the b point and the i point.

4. The multi-section bed frame alignment frame of claim 1 wherein: the rotation connection points of the second support rod (14), the third support rod (15) and the fixed mounting plate (11) are d and g respectively, the rotation connection points of the first telescopic rod (16), the second support rod (14) and the fixed mounting plate (11) are e and f respectively, the e point is positioned on one side between the d point and the g point and close to d, when the first telescopic rod (16) is in the maximum stroke, the e, g and f points form an obtuse triangle, the obtuse angle is positioned at the g point, when the first telescopic rod (16) is in the minimum stroke, the e, g and f points form a right triangle, and the right angle is positioned at the f point.

5. The multi-section bed frame alignment frame of claim 1 wherein: the second telescopic rod (17) is a gas spring, one end of the limiter (18) is rotatably arranged with one end of the second telescopic rod (17), and when the second telescopic rod (17) stretches to the maximum stroke, the limiter (18) can rotate to wrap a polish rod part of the gas spring and inhibit the polish rod from retracting.

6. A multi-section bed frame, characterized in that: comprises an adjusting frame (1), a bed body (2) and a bed board (3);

the adjusting frame (1) is a multi-section bedstead adjusting frame as claimed in any one of claims 1-5;

The adjusting frame (1) is fixedly arranged at one end, close to the bed head, of two sides inside the bed body (2), the fixed mounting plate (11) is fixedly arranged with the bed body (2), and the bearing mounting plate (12) is fixedly arranged with the bed board (3);

One end of the fixed mounting plate (11) is provided with a limit support (111), and the inside of the tail end of the bed body (2) is provided with a support angle iron (201); when the bed board (3) is at the lowest flat position, the limiting support (111) can support the second support rod (14) to limit the downward rotation of the second support rod, and the support angle iron (201) can support the tail end corner of the bed board (3).

7. The multi-section bed frame according to claim 6, wherein: the horizontal reinforcing rods (5) are fixedly arranged between the third supporting rods (15) of the two side adjusting frames (1), arched horizontal supports (4) are fixedly arranged between the fixed mounting plates (11) of the two side adjusting frames (1), supporting legs for bearing are arranged in the horizontal supports (4), and when the bed board (3) is at the lowest flat position, the horizontal supports (4) can support the bed board (3).