KR200492203Y1 - Adjustable mattress in a stable configuration - Google Patents

Abstract

The present invention discloses an adjustable mattress having a stable configuration, and relates to the field of mattress technology. The present invention includes an intermediate fixing frame, a bed head frame and a bed tail frame, and a back connection rod is fixedly installed on the bed head frame, and the back connection rod is hingedly connected to one end of the waist connection rod, and the waist connection The other end of the rod is hinged to the left end of the intermediate fixing frame, and a slide groove for accommodating the waist push block is formed inside the waist connecting rod, and one end of the waist push block is mutually supported with the end of the back connecting rod. The other end of the waist push block mutually supports a first push block installed in the intermediate fixing frame, and a first driving mechanism for driving the first push block to move left and right is further installed in the intermediate fixing frame. In the adjustable mattress having a stable configuration according to the present invention, the first driving mechanism pushes the waist push block to lift the bed head frame, and the pressure is concentrated on the waist push block. Therefore, the design is more rational, it works more stably, and has a longer service life.

Description

Adjustable mattress in a stable configuration

The present invention relates to the field of mattress technology, and more specifically, to an adjustable mattress of a stable configuration.

The mattresses that people use today are basically all laid flat on the bed and fixed so that they do not move, and only provide people with a comfortable sleeping position. However, people's demands for mattresses are not limited to this. For example, if people sit in bed and read a book or watch TV, you want to be able to erect a mattress so that the person can lean on it. However, the conventional mattress has a single function and cannot satisfy the needs of people.

Application No. CN201520789176.X, registration notification date March 9, 2016, the design according to the conventional utility model registration application whose name is'Electric invisible mattress' includes an electric bed frame, and the electric The bed frame is wrapped with a mat to form a mattress, and the electric bed frame is a fixed frame in the middle, a bed tail frame connected to one end of the fixed frame through at least two connecting rods, and a bed head frame hinged to the other end of the fixed frame. And a first linear motor and a second linear motor are connected to the fixed frame, and the drive shaft of the first linear motor is connected to the bed tail frame through a connecting rod and drives it to horizontally lift and descend. 2 The drive shaft of the linear motor is connected to the bed head frame and drives it to swing around the hinge connection point. The design according to the above application can be suitably folded for convenient use by the user. However, the design according to the application has the following problems.

(1) The rotation of the bed head frame is completed by a second connecting plate in which the second linear motor is fixedly installed on the bed head frame, and the drive shaft end of the second linear motor is hinged to the second connecting plate. However, this driving method is not stable in operation, and the pressure is concentrated at the hinge connection point of the second connection plate and the drive shaft, and the second connection plate is very easily damaged.

(2) When the fixed frame in the middle part and the bed head frame are hinged directly, and the bed head frame rotates, the angle formed between the bed head frame and the fixed frame is relatively small. At this time, since the waist part of the human body is floating in the air, it is impossible to lean on the mattress, so it greatly affects the comfort when the user leans, and is harmful to the skeletal health of the human body.

(3) The fixed frame in the middle part and the bed tail frame are connected through two connecting rods, and the first connecting plate, the upper connecting rod, the lower connecting rod and the bed tail frame form a parallelogram structure. However, the parallelogram structure is a very unstable structure, and if the operating time is prolonged, the connection relationship between the first connecting plate, the upper connecting bar, the lower connecting bar and the bed tail frame becomes loose, noise occurs, and even structural damage occurs. .

An object of the present invention is to overcome the above-described problems existing in a conventional mattress, and to provide an adjustable mattress having a stable configuration. When using the technical means of the present invention, the first drive mechanism pushes the waist push block to lift the bed head frame, the pressure is concentrated on the waist push block, the design is more rational, operates more stably, and is used. It has a longer life.

In order to implement the above object, the technical means according to the present invention are as follows.

The adjustable mattress of a stable configuration according to the present invention includes an intermediate fixing frame, a bed head frame and a bed tail frame respectively connected to both ends of the intermediate fixing frame, and a back connecting rod is fixedly installed on the bed head frame, and the The back connecting rod is hingedly connected to one end of the waist connecting rod, the other end of the waist connecting rod is hingedly connected to the left end of the intermediate fixing frame, and a slide groove accommodating the waist push block inside the waist connecting rod Is formed, and one end of the waist push block mutually supports an end of the back connection rod, and the mutual support portion of the waist push block and the back connection rod is below the hinge connection point of the back connection rod and the waist connection rod. And the other end of the waist push block mutually supports the first push block installed in the intermediate fixing frame, and a first driving mechanism for driving the first push block to move left and right is further installed in the intermediate fixing frame. do.

Further, the waist push block is a step block, the slide groove has a step hole shape, and the head of the waist push block mutually supports the back connection rod.

Furthermore, the length of the head of the waist push block is greater than the depth of the head hole of the slide groove.

Further, the mutually supporting portion of the back portion connecting rod with the waist portion push block is a protrusion.

Furthermore, the protrusion of the back connecting rod extends into the slide groove when the mattress is in a flat state.

Further, the lower leg connecting rod is fixedly installed on the bed tail frame, the lower leg connecting rod is hingedly connected to the right end of the femoral connecting rod, and the left end of the femoral connecting rod is hinged to the right end of the intermediate fixing frame, and the middle A second push block mutually supporting the left end of the femoral connecting rod is installed in the fixed frame, and the mutual supporting portion of the femoral connecting rod and the second push block is located below the hinge connecting point of the femoral connecting rod and the intermediate fixed frame, the A second driving mechanism is further provided in the intermediate fixing frame to drive the second push block to move left and right.

Further, an inclined surface is formed at the right end of the femoral connecting rod, and the inclined surface is located below a hinge connection point of the femoral connecting rod and the lower leg connecting rod.

Further, the first driving mechanism includes a micromotor, a worm, a worm gear, a screw and a first nut support, and the output end of the micromotor is electrically connected to the worm, the worm gear is fixedly connected to the screw and coaxially, the worm gear is It is electrically coupled to the worm, the first nut support is screwed with a screw, and the first push block is installed at a left end of the first nut support.

When the technical means according to the present invention is used, compared with the existing known techniques, the following advantageous effects are obtained.

(1) In the adjustable mattress having a stable configuration according to the present invention, the first driving mechanism pushes the bed head frame through the waist push block to lift it up and down, and the pressure is concentrated on the waist push block. Therefore, the design is more rational, it works more stably, and has a longer service life.

(2) In the adjustable mattress having a stable configuration according to the present invention, the waist push block is a step block, the slide groove is a step hole shape, and the length of the head of the waist push block is greater than the depth of the head hole of the slide groove. . When the first push block pushes the waist push block, the heads of the waist push block first mutually support the back connecting rod, push the back connecting rod to rotate relative to the waist connecting rod, and then push the waist. The jaws of the block mutually support the jaws of the slide grooves in the waist connecting rod, and the waist connecting rod is pushed and rotated with respect to the intermediate fixing frame. Therefore, the installation of the waist connecting rod realizes support for the waist of the human body, more conforms to ergonomics, and increases the comfort of use.

(3) In the adjustable mattress having a stable configuration according to the present invention, the mutually supporting portion of the back connecting rod with the waist push block is a protrusion, and the protrusion extends into the slide groove when the mattress is in a flat state. Therefore, the waist push block pushes the back connecting rod more stably.

(4) In the adjustable mattress having a stable configuration according to the present invention, the second driving mechanism drives and rotates the femoral connecting rod, and further, the bed tail frame is raised and lowered. Therefore, the connection structure is simple, reliable and works more stably.

(5) In the adjustable mattress having a stable configuration according to the present invention, an inclined surface is formed at the right end of the femoral connecting rod, and the inclined surface is located under the hinge connecting point of the femoral connecting rod and the lower connecting rod, and the femoral connecting rod After rotating at a predetermined angle around the intermediate fixing frame, the bed tail frame is raised and lowered. Therefore, the inclination angle of the bed tail frame is prevented from being too large due to the synchronous rotation of the bed tail frame and the thigh connecting rod, and it is more comfortable to use.

1 is a view of a folded state of the adjustable mattress in a stable configuration according to the present invention;
Figure 2 is a view of a flat state of the adjustable mattress in a stable configuration according to the present invention;
FIG. 3 is a schematic structural diagram of part I of FIG. 2.

In order to further grasp the contents of the present invention, the present invention will be described in detail by combining the drawings and embodiments.

Example

Combining FIGS. 1 and 2, the adjustable mattress of a stable configuration according to the present embodiment includes an intermediate fixing frame 32, and a bed head frame 31 and a bed tail connected to both ends of the intermediate fixing frame 32, respectively. Including the frame 30, the bed head frame 31, the intermediate fixing frame 32, and the outside of the bed tail frame 30 is covered with a mat. The bed head frame 31 has a back connection rod 24 fixedly installed, the back connection rod 24 is hinged to one end of the waist connection rod 23, and the other end of the waist connection rod 23 Is hinged to the left end of the intermediate fixing frame 32, and a slide groove 23-1 for accommodating the waist push block 22 is formed inside the waist connecting rod 23, and the waist push block ( The one end of 22) mutually supports the end of the back connection rod 24, and the mutual support of the waist push block 22 and the back connection rod 24 is the back connection rod 24 and the waist connection rod It is located below the hinge connection point of (23). The other end of the waist push block 22 mutually supports the first push block 21 installed in the intermediate fixing frame 32, and the first push block 21 is driven in the intermediate fixing frame 32 to move left and right. A first drive mechanism is further provided to make it possible.

3, the waist push block 22 of this embodiment is a step block, the slide groove 23-1 is a step hole shape, and the head of the waist push block 22 and the back connecting rod ( 24) mutually support. The length of the head of the waist push block 22 is the depth of the head hole of the slide groove 23-1 (the head of the waist push block 22 indicates the small diameter end, and the head hole of the slide groove 23-1 is also It refers to a small diameter hole). As shown in FIG. 2, the mutual support portion of the waist push block 22 with the first push block 21 is an acute angle inclined surface. When the first push block 21 pushes the waist push block 22 to the left, the head of the waist push block 22 first mutually supports the back connection rod 24, and the back connection rod 24 ) To rotate with respect to the waist connecting rod 23, and then the jaws of the waist push block 22 mutually support the chin surface of the slide groove 23-1 in the waist connecting rod 23, and the waist The secondary connection rod (23) is pushed and rotated with respect to the intermediate fixing frame (32). Therefore, the installation of the waist connecting rod 23 implements support for the waist of the human body, more conforms to the ergonomics, and increases the comfort of use.

Next, referring to Figures 1 and 2, the mutual support portion with the waist push block 22 of the back portion connection rod 24 of this embodiment is a protrusion, and the projection portion of the back portion connection rod 24 is a flat mattress. In the case of a state, it extends into the slide groove 23-1. Therefore, the waist push block 22 pushes the back connection rod more stably.

In the bed tail frame 30 of this embodiment, the lower leg connection rod 26 is fixedly installed, the lower leg connection rod 26 is hinged to the right end of the thigh connection rod 25, and the left end of the thigh connection rod 25 Is hingedly connected with the right end of the intermediate fixing frame 32, and a second push block 20 mutually supporting the left end of the thigh connecting rod 25 is installed in the intermediate fixing frame 32, and the thigh connecting rod 25 ) And the mutual support portion of the second push block 20 is located below the hinge connection point of the thigh connecting rod 25 and the intermediate fixing frame 32, and in the intermediate fixing frame 32, the second push block 20 A second driving mechanism is further provided to drive the drive to move left and right. 2, an inclined surface is formed at the right end of the femoral connecting rod 25. The inclined surface is located below the hinge connection point of the thigh connection rod 25 and the lower thigh connection rod 26, and after the thigh connection rod 25 rotates at a predetermined angle around the intermediate fixing frame 32, the bed tail The frame 30 is raised and lowered. Therefore, due to the synchronous rotation of the bed tail frame 30 and the thigh connecting rod 25, the inclination angle of the bed tail frame is prevented from becoming too large, and it is more comfortable to use.

1, the first driving mechanism of this embodiment includes a micromotor, a worm 15, a worm gear 16, a screw 17, and a first nut support 11, and the output end of the micromotor is a worm. It is electrically connected to 15, and the worm gear 16 is fixedly connected to the screw 17 and coaxially. Of course, the worm gear 16 is rotatably mounted in the intermediate fixing frame 32 through the bearing 12, and the worm gear 16 is electrically coupled with the worm 15, and the first nut support 11 has a screw 17 ) And threaded connection, and the first push block 21 is installed at the left end of the first nut support 11. In order to limit the adjustment position of the bed head frame 31, position limiting switches 19 are installed at both ends of the stroke of the first nut support 11. When the first nut support 11 moves to the rightmost end of the stroke and the first nut support 11 triggers the position limiting switch 19 at the right end, the first nut support 11 no longer moves to the right. It is not, at this time the bed head frame 31 is in a horizontal position. When the first nut support 11 moves to the leftmost end of the stroke and the first nut support 11 triggers the position limit switch 19 at the left end, the first nut support 11 no longer moves to the left. It is not, at this time, the bed head frame 31 is the largest angle that can be lifted. Of course, it is preferable that the triggering portion for the position limiting switch 19 in the first nut support 11 is an inclined surface. Thereby, the triggering is calm so that the position limiting switch 19 is not damaged. The structural principle of the second drive mechanism of this embodiment is substantially the same as that of the above-described first drive mechanism, and thus will not be described further here. To be described here, the micromotor for controlling the motion of the bed head frame 31 and the micromotor for controlling the motion of the bed tail frame 30 are provided separately from each other.

In order to better understand the adjustable mattress having a stable configuration according to the present embodiment, the operating state of the present embodiment will be briefly described from now on in conjunction with FIGS. 1 to 3. When it is necessary to lift the bed head frame 31, a micromotor that controls the motion of the bed head frame 31 rotates forward to rotate the worm 15, and the worm 15 is a worm gear 16 and a screw 17. Rotate. Then, the first nut support 11 moves the first push block 21 to the left, the first push block 21 pushes the waist push block 22 and moves it to the left, and the waist push block 22 The head of) is first supported by the back connection rod 24, and the back connection rod 24 is pushed to rotate with respect to the waist connection rod 23. Then, the chins of the waist push block 22 are mutually supported by the chin surface of the slide groove 23-1 in the waist connection rod 23, and the waist connection rod 23 is pushed to the intermediate fixing frame 32. Talk about it. When the first nut support 11 moves to the leftmost end of the stroke and triggers the position limiting switch 19 at the left end, the micromotor stops operation, and the movement of the first nut support 11 stops, At this time, the position of the bed head frame 31 is the maximum angle at which the bed tail frame 30 can be lifted. When it is necessary to lift the bed tail frame 31, the micromotor that controls the motion of the bed tail frame 30 rotates forward, and finally the second nut support 18 moves the second push block 20 to the right. It is moved, and the second push block 20 pushes the thigh connecting rod 25 to rotate with respect to the intermediate fixing frame 32. Then, the inclined surface of the right end of the thigh connecting rod 25 and the left end surface of the lower leg connecting rod 26 support each other to raise the bed tail frame 30. When the second nut support 18 moves to the rightmost end of the stroke and triggers the position limiting switch 19 at the right end, the micromotor stops working, and the movement of the second nut support 18 stops, At this time, the position of the bed tail frame 30 becomes the maximum position that can be raised.

When the bed head frame 31 needs to be lowered, the micromotor that controls the motion of the bed head frame 31 rotates in reverse, and the first nut support 11 moves to the right. Then, the waist push block 22 moves to the right, and the bed head frame 31 is lowered. When the first nut support 11 moves to the right to the rightmost end of the stroke and triggers the position limiting switch 19 at the right end, the micromotor stops operation, and the movement of the first nut support 11 Stopped, at this time the bed head frame 31 is placed in a horizontal position. When the bed tail frame 30 needs to be lowered, the micromotor controlling the motion of the bed tail frame 30 rotates in reverse, and the second nut support 18 moves the second push block 20 to the left. . Then, the thigh connecting rod 25 and the bed tail frame 30 are lowered. When the second nut support 18 moves to the leftmost end of the stroke and triggers the position limiting switch 19 at the left end, the micromotor stops working, and the movement of the second nut support 18 stops. At this time, the thigh connecting rod 25 and the bed tail frame 30 are in a horizontal position.

In the adjustable mattress having a stable configuration according to the present invention, the first driving mechanism pushes the waist push block to lift the bed head frame, and the pressure is concentrated on the waist push block. So the design is more rational, it works more stably and has a longer service life. The installation of the waist connecting rod realizes support for the waist of the human body, more conforms to ergonomics, and increases the comfort of use. Since the second drive mechanism drives and rotates the femoral connecting rod, and further raises and lowers the bed tail frame, the connection structure is simple, reliable, and operates more stably.

The present invention and its embodiments have been schematically described above. The above embodiment is not limited, and the bar shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, structural methods and embodiments similar to the above technical means designed without creative efforts in a situation where a person skilled in the art receives a suggestion of the above contents and does not deviate from the spirit of creation of the present invention are all within the protection scope of the present invention. Belongs.

11: first nut support
12: bearing
15: worm
16: worm gear
17: screw
18: second nut support
19: position limit switch
20: second push block
21: first push block
22: waist push block
23: waist connecting rod
23-1: slide groove
24: dorsal connecting rod
25: femoral connecting rod
26: lower leg connection rod
30: bed tail frame
31: bed head frame
32: middle fixed frame

Claims (8)

In an adjustable mattress having a stable configuration comprising an intermediate fixing frame 32, a bed head frame 31 and a bed tail frame 30 respectively connected to both ends of the intermediate fixing frame 32,
The bed head frame 31 has a back connection rod 24 fixedly installed, the back connection rod 24 is hingedly connected to one end of the waist connection rod 23, and the waist connection rod 23 The other end of) is hingedly connected to the left end of the intermediate fixing frame 32, and a slide groove 23-1 for accommodating the waist push block 22 is formed inside the waist connecting rod 23, One end of the waist push block 22 mutually supports an end of the back connection rod 24, and the mutual support between the waist push block 22 and the back connection rod 24 is the back A first push block (21) located below the hinge connection point of the connection rod (24) and the waist connection rod (23), and the other end of the waist push block (22) is installed in the intermediate fixing frame (32) And a first driving mechanism that mutually supports and moves the first push block 21 to move left and right by driving the first push block 21 in the intermediate fixing frame 32,
Adjustable mattress in a stable configuration. The method of claim 1,
The waist push block 22 is a step block, the slide groove 23-1 has a step hole shape, and the head of the waist push block 22 mutually supports the back connection rod 24. , Adjustable mattress with stable configuration. The method of claim 2,
The length of the head portion of the waist push block 22 is greater than the depth of the head hole of the slide groove 23-1, and an adjustable mattress having a stable configuration. The method according to any one of claims 1 to 3,
The mutually supporting portion of the back portion connection rod 24 with the waist portion push block 22 is a protrusion, an adjustable mattress having a stable configuration. The method of claim 4,
The protruding portion of the back connecting rod 24 extends into the slide groove 23-1 when the mattress is in a flat state, the adjustable mattress having a stable configuration. The method of claim 1,
The bed tail frame 30 has a lower leg connection rod 26 fixedly installed, the lower leg connection rod 26 is hinged to the right end of the thigh connection rod 25, and the left end of the thigh connection rod 25 Is hinge-connected to the right end of the intermediate fixing frame 32, and a second push block 20 mutually supporting the left end of the thigh connecting rod 25 is installed in the intermediate fixing frame 32, and the thigh The mutual support portion of the connection rod 25 and the second push block 20 is located below the hinge connection point of the thigh connection rod 25 and the intermediate fixing frame 32, and in the intermediate fixing frame 32 An adjustable mattress of a stable configuration is further provided with a second driving mechanism for driving the second push block 20 to move left and right. The method of claim 6,
An inclined surface is formed at the right end of the femoral connecting rod 25, and the inclined surface is located under the hinge connection point of the femoral connecting rod 25 and the lower leg connecting rod 26, having a stable configuration. The method of claim 1,
The first driving mechanism includes a micromotor, a worm 15, a worm gear 16, a screw 17, and a first nut support 11, and an output terminal of the micromotor is electrically connected to the worm 15, , The worm gear 16 is coaxially fixedly connected to the screw 17, the worm gear 16 is electrically coupled with the worm 15, and the first nut support 11 has the screw 17 and the thread Combined, the first push block (21) is installed on the left end of the first nut support (11), the adjustable mattress of a stable configuration.

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