CN104771005A - Telescopic bed - Google Patents

Abstract

The invention discloses a telescopic bed which comprises a fixed bed frame, a movable bed frame arranged below the fixed bed frame and a telescopic component which is simultaneously connected with the fixed bed frame and the movable bed frame and is used for driving the movable bed frame to do transverse reciprocating motion along the side edge of the fixed bed frame. The telescopic bed can enlarge the use area in the width direction, effectively realizes the storage of the bed body which occupies no space at ordinary times, and improves the space utilization rate.

Description

retractable bed

【Technical field】

The invention relates to a bed, in particular to a telescopic bed.

【Background technique】

Nowadays, the pressure of population is increasing, the place where people live is getting smaller and smaller, and the living space is often insufficient. Therefore, there is an urgent need for a bed that can improve space utilization.

In the Chinese invention patent application CN102940418A, a kind of automatic retractable bed is recorded. The end and middle of the telescopic bed are supported by sliding panels. The upper parts of the two panels are connected to the head of the bed. The connecting device is retractable. The bed is equipped with a roll-up mat. The device, which passes through the middle vertical panel and connects with the vertical panel at the end of the bed, can play a fixed role. There is a fully automatic rolling device embedded in the inner panel at the end of the bed, which can make the bed stretch forward and backward. When the automatic retractable bed is not in use, it occupies very little space, and can be used as a chair and a sofa after shrinking.

However, the above-mentioned telescopic bed can only be stretched forward and backward, that is, it can only extend in the length direction, but cannot expand the use area in the width direction, and cannot meet the needs of expanding from single use to multiple simultaneous use.

【Content of invention】

The purpose of the present invention is to provide a retractable bed that occupies less land and can expand the use area in width.

To achieve this goal, the present invention adopts following technical scheme:

A telescopic bed, comprising a fixed bed frame, a movable bed frame arranged under the fixed bed frame, and a device connected to both of them at the same time and used to drive the movable bed frame to make a reciprocating movement on at least one side of the fixed bed frame Telescoping components.

Compared with the prior art, the present invention has the following advantages: by arranging the movable bed frame to move on at least one longitudinal side of the fixed bed frame, the usable area is enlarged in the width direction, so that the bed for one person to rest becomes A bed for two or more people, such as a double bed or a bunk bed.

Specifically, the telescopic assembly includes a push rod motor, the motor of the push rod motor is fixed on the fixed bed frame, and its push rod is fixedly connected to the movable bed frame.

Further, the fixed bed frame includes a first frame body and a first support leg supporting the first frame body, and the movable bed frame includes a second frame body and a second support leg supporting the second frame body, so The push rod is fixedly connected to the second support leg, and the telescopic assembly also includes a lifting device for adjusting the height of the movable bed frame, and the second frame body is connected to the second support leg by the lifting device connect.

Specifically, the lifting device includes a double-rocker four-bar mechanism and a sliding pin chute mechanism; the double-rocker four-bar mechanism includes a first rocker, a second rocker, two ends of which are connected to the first rocker, the second rocker, and the first rocker respectively. One end of the second rocker is hinged and an upper link fixed to the second frame body, and a lower link whose two ends are respectively hinged with the other end of the first rocker and the second rocker, and the lower link is connected to the second rocker. The hinged end of the second rocker is also affixed to the second support leg; the sliding pin chute mechanism includes a sliding pin arranged on the first rocking bar and is matched with the sliding pin and used for The movement track of the slide pin is controlled to make the height of the moving bed frame adjustable.

The lifting device also includes a chute setting block close to the first support leg and fixed to the fixed bed frame, the chute setting block is provided with the chute at the lower part of the side away from the first support leg The opening of the chute extends upward in an arc shape on the chute setting block.

Further, the end of the sliding pin is sleeved with a roller.

Further, the bottom of the second supporting leg is provided with a running wheel.

Further, the moving bed frame includes a left moving bed frame and a right moving bed frame, and the telescopic assembly drives the left moving bed frame and the right moving bed frame respectively to the left side and the right side of the fixed bed frame. back and forth movement.

Further, the telescopic bed also includes a protection system, the protection system includes a controller and a sampling feedback unit electrically connected to the controller, and the push rod motors are both electrically connected to the controller and the sampling feedback unit.

【Description of drawings】

Fig. 1 is the perspective view of telescopic bed of the present invention;

Fig. 2 is a perspective view of another angle of the telescopic bed shown in Fig. 1;

Figure 2a is an enlarged view of the A portion shown in Figure 2;

Fig. 3 is an exploded view of the telescopic bed shown in Fig. 1;

Figure 4a is a schematic structural view of the lifting device of the telescopic bed shown in Figure 1, showing the structure of the lifting device when the moving bed frame is fully opened;

Fig. 4b is a structural schematic diagram of the lifting device of the telescopic bed shown in Fig. 1, showing the structure of the lifting device when the moving bed frame is stored under the fixed bed frame;

Fig. 5 is an electrical connection diagram of the protection system of the present invention and the motor body of the push rod motor.

【Detailed ways】

The present invention will be further described below with reference to the accompanying drawings and exemplary embodiments, wherein the same reference numerals in the accompanying drawings all refer to the same components. Also, detailed descriptions of known arts will be omitted if they are unnecessary to illustrate the features of the present invention.

Referring to Fig. 1-Fig. 5, telescopic bed 100 of the present invention comprises fixed bed frame 1, the moving bed frame 2 that is located at described fixed bed frame 1 below, and is connected with both simultaneously and is used for driving described moving bed frame 2 along A telescopic assembly 3 that moves laterally back and forth along the side of the fixed bed frame 1.

Please refer to FIG. 2 , the fixed bed frame 1 includes a first frame body 12 and a first support leg 14 supporting the first frame body 12 . Described fixed bed frame 1 forms a single bed after being provided with bed board on its first frame body 12, can be for an adult to have a rest.

The moving bed frame 2 includes a second frame body 22 and a second support leg 24 supporting the second frame body 22 . The moving bed frame 2 is movably arranged below the fixed bed frame 1 , and can extend laterally from the side of the fixed bed frame 1 under the action of the telescopic assembly 3 . After the bed board is laid on the movable bed frame 2 and opened under the action of the telescopic assembly 3, a single bed can also be formed independently, thereby expanding the bed area of the telescopic bed for the user to rest.

Please refer to FIG. 3 , the telescopic assembly 3 includes a push rod motor 32 , and the push rod motor 32 includes a motor body 320 and a push rod 321 driven by the motor body. The motor main body 320 is fixedly connected to the fixed bed frame 1 , and the push rod 321 is fixedly connected to the movable bed frame 2 . When described push rod motor 32 receives an open signal, motor main body 320 starts to start, and drives the push rod 321 that is connected with the output shaft of motor main body 320 to move outward (that is, laterally along the direction away from fixed bed frame 1 movement), thereby driving the movable bed frame 2 affixed to the push rod 321 to move toward the outside of the fixed bed frame 1, and then open the movable bed frame 2.

In this embodiment, the telescopic assembly 3 is provided at the upper and lower ends of the telescopic bed 100, that is, at least one push rod motor 32 is provided at each of the two ends of the telescopic bed 100, so as to reduce the size of each push rod motor. 32 required load torque, that is, a push rod motor 32 with a smaller rated load can be used.

According to the above examples, the present invention provides a stretchable bed 100 that can expand the usable area from the width direction, such as a bunk bed, thereby improving the utilization rate of the interior space of the room.

In other embodiments, the push rod motor 32 can also be replaced by an air rod or a multi-section telescopic rod, and the user manually pushes and pulls the moving bed frame 2 to change the bed area.

Further, the telescopic assembly 3 also includes a lifting device 34 for adjusting the height of the moving bed frame 2, and the second frame body 22 is connected with the second support leg 24 through the lifting device 34, so that the moving bed The second frame body 22 of the frame 2 can move to a position flush with the first frame body 12 of the fixed bed frame 1 when the telescopic bed 100 is in use, so that the movable bed frame 2 and the fixed bed frame 1 are combined to form a A double bed; and after use, the second frame body 22 can be lowered to the height before opening, so that the user can retract the moving bed frame 2 to the bottom of the fixed bed frame 1 .

Referring to Fig. 2a, Fig. 4a and Fig. 4b, specifically, the lifting device 34 includes a double rocker four-bar mechanism (not numbered, the same below) and a sliding pin chute mechanism (not numbered, the same below).

The double rocker four-bar mechanism includes an upper link 341 fixedly connected to the second frame body 22 , a first rocker 344 , a second rocker 343 , and a lower link fixedly connected to the second support leg 24 . Connecting rod 342 . The two ends of the upper link 341 are respectively hinged with one end of the first rocker 344 and the second rocker 343, and the lower link 342 is respectively hinged with the other end of the first rocker 344 and the second rocker 344, In addition, one end of the lower link 342 hinged to the second rocker 343 is also fixedly connected to the second support leg 24 .

The sliding pin chute mechanism includes a sliding pin 345 formed of a screw rod roughly arranged in the middle of the first rocker 344 and a sliding groove 346 that cooperates with the sliding pin 345 to control the movement track of the sliding pin 345 In other words, the sliding pin 345 moves according to a predetermined track, so that the first rocker 344 rotates according to a predetermined track, thereby adjusting the height of the second frame body 22 .

The lifting device 34 also includes a chute setting block 349 , and the chute 346 is opened on the chute setting block 349 . The chute setting block 349 is fixed to the fixed bed frame 1 close to the first support leg 14 . The chute setting block 349 is provided with an opening 347 of the chute 346 at the lower part of the side away from the first support leg 14 , and the chute 346 is formed in a circular arc on the chute setting block 349 . extending upwards.

Thus, when it is necessary to open the movable bed frame 2 (the movable bed frame 2 and the fixed bed frame 1 are spliced to form a double bed), according to the user's signal to open the movable bed frame 2, the push rod motor 32 starts, and the movable bed Frame 2 protrudes from the bottom of the fixed bed frame 1 under the action of the push rod motor 32 (the push rod is gradually stretched out under the drive of the motor), and when the slide pin 345 moves to the position of the chute 346 The opening 347 then enters the chute 346 through the opening 347, and moves upward along the chute 346, so that the sliding pin 345 moves according to a predetermined trajectory, and then the first rocker 344 rotates according to a predetermined trajectory. , so that the second frame body 22 moves upwards to a position flush with the first frame body 12 , thereby realizing the seamless splicing of the movable bed frame 2 and the fixed bed frame 1 . When the user finishes using it and needs to retract the movable bed frame 2 under the fixed bed frame 1, the push rod motor 32 is started according to the user's retraction signal of the bed frame, and the push rod 321 is retracted under the action of the motor body 320, Drive the sliding pin 345 to move from top to bottom in the sliding groove 346, and the sliding pin 345 slides out of the sliding groove 346 through the opening 347 and moves horizontally in the free space, so that the second frame body 22 is lowered to open The previous height is gradually withdrawn below the fixed bed frame 1 .

In this embodiment, the telescopic bed 100 can automatically realize that the movable bed frame 2 protrudes from the side of the fixed bed frame 1 (or the movable bed frame retracts under the fixed bed frame) according to the opening signal (or retraction signal), And automatically realize the height adjustment of the second frame body 22 of the movable bed frame 2, which can realize the flexible conversion between the single bed and the double bed, effectively realize the storage of the bed body which usually occupies the same space, and improve the space utilization rate.

Further, a roller (not labeled) is sheathed on the end of the sliding pin 345 to facilitate the movement of the sliding pin 345 in the sliding groove 346 . The roller can be made of bearings.

Further, the left side and the right side of the fixed bed frame can be provided with corresponding moving bed frames 2, so that the two moving bed frames 2 can be opened to the left and right through the corresponding telescopic components 3, thereby further expanding the telescopic The usable area of the bed.

Further, a rotating wheel 242 is provided at the bottom of the second supporting leg 24 to facilitate the lateral movement of the movable bed frame 2 .

The first frame body 12 and the second frame body 22 are row frames, on which a bed board or a mattress (and a mat or a bed sheet) are placed for the user to rest.

It can be seen from the above description that before the movable bed frame 2 is opened or after it is retracted, there should be a certain gap between the first frame body 12 of the fixed bed frame 1 and the second frame body 22 of the movable bed frame 2 to facilitate the movement. Movement of bed frame 2. During the storage process of the retractable bed 100, when an object such as bedding is placed on the second frame body 22, the object will often be stuck between the second frame body 22 and the first frame body 12, causing the movable bed frame 2 to fail to move. Be received under the fixed bed frame 1 completely, meanwhile, the load current of motor main body 320 can increase suddenly, and motor main body 320 may be burnt out. In order to prevent the motor body 320 from being burned out and ensure the normal use of the stretchable bed 100, or to prevent the human body (such as a child's body part) from being pinched during the storage process due to negligence, the stretchable bed 100 is also provided with a protective cover. System (unlabeled, the same below).

5, specifically, the protection system includes a sampling feedback unit 52 whose input end is electrically connected to the motor body 320 of the push rod motor 32 and a controller 50 connected to the output end of the sampling feedback unit 52. The controller 50 is also electrically connected with the push rod motor 32 . In the process of storing the moving bed frame 2, the sampling feedback unit 52 detects the load current of the motor body 320 and feeds it back to the controller 50. When the controller 50 processes and judges that the waveform of the load current changes dramatically (i.e. When the load current increases sharply), output a control instruction that drives the push rod motor 32 to reversely rotate, and drive the push rod motor 32 to reverse, and then the movable bed frame 2 moves in the opposite direction.

In this embodiment, the stroke of the push rod 321 of the push rod motor 32 is converted into a control instruction by those skilled in the art according to actual needs and stored in the controller 50. After the controller 50 receives the user's opening command, Drive the motor main body 320 to start and open the movable bed frame 2 according to the pre-stored control command, so as to realize the seamless splicing of the movable bed frame 2 and the fixed bed frame 1 .

To sum up, the present invention provides a telescopic bed that can accommodate a bed body that usually occupies a constant space, thereby improving space utilization. According to the above embodiments of the present invention, the telescopic bed can be a bunk bed or a double bed. Due to the protection system, the telescopic bed also has the characteristics of high safety performance.

Although some exemplary embodiments of the present invention have been shown above, those skilled in the art will appreciate that changes can be made to these exemplary embodiments without departing from the principle or spirit of the present invention. The scope is defined by the claims and their equivalents.

Claims (10)

1. a telescopic bed, is characterized in that, comprises fixed bed frame, is located at movable bed frame below fixed bed frame, and is connected with the two and for ordering about the telescopic component of described movable bed frame along the side transverse movement of described fixed bed frame simultaneously.

2. telescopic bed according to claim 1, it is characterized in that, described telescopic component comprises by motor body and is subject to the push-rod electric machine that forms of push rod that described motor body drives, and described motor body is fixed on described fixed bed frame, its push rod and described movable bed frame affixed.

3. telescopic bed according to claim 2, it is characterized in that, described fixed bed frame comprises the first support body and supports the first supporting leg of described first support body, described movable bed frame comprises the second support body and supports the second supporting leg of the second support body, described push rod and described second supporting leg affixed, described telescopic component also comprises the lowering or hoisting gear for regulating described movable bed frame height, and described second support body is connected with described second supporting leg by described lowering or hoisting gear.

4. telescopic bed according to claim 3, is characterized in that, described lowering or hoisting gear comprises double rocking lever four-bar mechanism and sliding pin slide way mechanism; Described double rocking lever four-bar mechanism comprises hinged with the first rocking bar, second rocking bar one end respectively and upper connecting rod fixed with described second support body in the first rocking bar, the second rocking bar, its two ends, and the lower link that two ends are hinged with the first rocking bar, the second rocking bar other end respectively, described lower link and the hinged one end of described second rocking bar also affixed with described second supporting leg; Described sliding pin slide way mechanism comprises being located at sliding pin on described first rocking bar and matching with described sliding pin and merges movement locus for controlling described sliding pin to make the adjustable for height chute of described movable bed frame.

5. telescopic bed according to claim 4, it is characterized in that, described lowering or hoisting gear also comprises near the first supporting leg and sets block with the chute that described fixed bed frame fixes, described chute setting block is provided with the opening of described chute at the side lower part away from the first supporting leg, described chute extends upward with arc-shaped on described chute setting block.

6. telescopic bed according to claim 4, is characterized in that, the end of described sliding pin is socketed with roller.

7. telescopic bed according to claim 3, is characterized in that, the bottom of described second supporting leg is provided with runner.

8. the telescopic bed according to any one of claim 1-7, is characterized in that: the left side of described fixed bed frame, right side all arrange corresponding movable bed frame, and is connected with this fixed bed frame by corresponding telescopic component.

9. the telescopic bed according to any one of claim 1-7; it is characterized in that: also comprise protection system; the sampling feedback unit that described protection system comprises controller and is electrically connected with controller, described push-rod electric machine is all electrically connected with controller and sampling feedback unit.

10. telescopic bed according to claim 8, is characterized in that, also comprises protection system, the sampling feedback unit that described protection system comprises controller and is electrically connected with controller, and described push-rod electric machine is all electrically connected with controller and sampling feedback unit.