CN220001315U - Bed head rest driving device and bed - Google Patents

Abstract

A headrest driving device and a bed, comprising: the fixing frame is provided with a sliding rail, and the sliding rail comprises a linear rail and a rotating rail connected with the linear rail; the connecting rod mechanism is provided with a guide piece which is in abutting connection with the sliding rail; the driving mechanism is connected with the fixing frame and the connecting rod mechanism and used for driving the connecting rod mechanism to move; under the drive of the driving mechanism, when the guide piece slides along the linear track, the link mechanism moves linearly, and when the guide piece abuts against the rotary track, the link mechanism moves rotationally. The bed rest driving device and the bed can adjust the height and the angle of the bed rest, thereby meeting the use requirements of users.

Description

Bed head rest driving device and bed

Technical Field

The utility model relates to the technical field of home furnishing, in particular to a bed rest head driving device and a bed.

Background

Beds are generally used in bedrooms, dormitories, ward rooms, hotels and other places to meet the demands of people for daily rest and sleep, wherein the bed rest is a main part for people to lean on, but most of the bed rest is fixed and unadjustable, and the leaning posture cannot be adjusted by adjusting the angle of the rest.

In order to adjust the posture of a user sitting on a bed, the existing bed leaning head of the bed can be used for angle adjustment, but can only be used for simple angle inclination adjustment, so that the requirements of comfortable postures of people with various heights and body shapes cannot be met, and the user experience is poor.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a bed rest head driving device and a bed, wherein the height and the angle of the bed rest head can be adjusted to meet the requirements of users with different heights and body shapes.

In a first aspect, the present utility model provides a headrest driving device, which adopts the following technical scheme: a headrest driving device for driving a headrest to move, comprising:

the fixing frame is provided with a sliding rail, and the sliding rail comprises a linear rail and a rotating rail connected with the linear rail;

the connecting rod mechanism is used for being connected with the bed rest head and is provided with a guide piece which is abutted with the sliding track;

the driving mechanism is connected with the fixing frame and the connecting rod mechanism and used for driving the connecting rod mechanism to move;

under the drive of the driving mechanism, when the guide piece slides along the linear track, the link mechanism moves linearly, and when the guide piece abuts against the rotary track, the link mechanism moves rotationally.

By adopting the technical scheme, the driving mechanism drives the link mechanism to move along the sliding track, and the link mechanism can do linear sliding and rotating movement under the driving of one driving mechanism. When the link mechanism slides linearly, the bed rest head connected with the link mechanism can be lifted or lowered, so that people with different heights can lean against the bed rest head. When the link mechanism rotates, the reclining angle of the bed rest connected with the link mechanism can be changed, so that different use requirements of users are met.

In combination with the first aspect, the further technical scheme is that the connecting rod mechanism comprises a driving rod, a sliding rod, a connecting rod and a rotating rod, the driving rod, the sliding rod, the connecting rod and the rotating rod are sequentially and pivotally connected to form a four-bar mechanism, the driving rod is connected with the driving mechanism, the guide piece is arranged in the middle of the sliding rod, and the connecting rod is used for connecting a bed rest.

By adopting the technical scheme, the four-bar linkage is adopted by the connecting bar mechanism, and the four-bar linkage can linearly slide according to the set track and rotate according to the set track under the drive of the driving mechanism, so that the use requirement of the bed rest head can be met. The driving rod is connected with the driving mechanism, so that the driving mechanism is convenient for driving the connecting rod mechanism, the guide piece is arranged in the middle of the sliding rod, and the connecting rod mechanism can be ensured to move in a butt joint manner with the sliding track so as to move according to a set track. The connecting rod is connected with the bed rest head, so that the bed rest head can do linear or rotary motion along with the connecting rod mechanism, and different using function postures of the bed rest head are realized.

In combination with the first aspect, further technical solution, the rotating rod is provided with a limiting column, and when the guide piece slides along the linear rail, the limiting column is abutted to the driving rod so that the link mechanism keeps a unchanged quadrilateral structure.

Through adopting above-mentioned technical scheme, when link mechanism slides along linear track under the guide of guide, the function that the bed leans on the head to realize going up and down this moment is the angle in order to guarantee the bed leans on the head to go up and down the in-process is unchangeable and have stable support form. In the process, the guide piece is abutted with the linear track, the limiting piece is abutted with the driving rod, the driving mechanism drives the connecting rod structure to do linear motion, the connecting rod mechanism cannot rotate, the stable quadrilateral structure of the connecting rod mechanism is maintained, and the structural stability of the bed rest in the lifting process is met.

With reference to the first aspect, in a further technical aspect, in the link mechanism, the sliding rod is shortest, and the driving rod is longest.

Through adopting above-mentioned technical scheme, when link mechanism is rotary motion, can inject connecting rod rotation angle scope to make the inclination who is connected with the connecting rod lean on the head to satisfy the user demand.

With reference to the first aspect, in a further technical solution, the motion track of the driving rod driven by the driving mechanism is parallel to the linear track.

By adopting the technical scheme, the driving rod can be driven to do linear motion by adopting a linear driving mechanism such as a linear motor or an electric push rod, and the driving rod can also be driven to do linear motion in a combined mode of a track and a connecting rod, so that the motion track is controllable. The motion track of the driving rod is parallel to the linear track, so that the driving piece can drive the connecting rod mechanism to realize linear motion and rotary motion, and the motion process is stable and reliable.

In combination with the first aspect, the driving mechanism further comprises a driving end and a movement end capable of doing linear movement relative to the driving end, the driving end is fixedly connected with the fixing frame, and the movement end is connected with the driving rod.

Through adopting above-mentioned technical scheme, actuating mechanism's drive end and mount fixed connection, through the sliding rail motion on the motion end drive link mechanism along the mount, guaranteed actuating mechanism drive reliability and link mechanism movement track's uniformity.

In combination with the first aspect, the driving mechanism is provided with two groups of connecting rod mechanisms at two sides, the moving end is connected with a driving frame with adjustable length, two ends of the driving frame are fixedly connected with driving rods of the two groups of connecting rod mechanisms respectively, and the distance between the two groups of connecting rod mechanisms can be adjusted by adjusting the length of the driving frame.

By adopting the technical scheme, the two groups of connecting rod mechanisms are connected with the bed rest, so that the stability of the connection of the bed rest can be ensured, the reliability of the driving mechanism for driving the bed rest can also be ensured, and the risk that the position deformation or the connecting rod mechanism is separated from the sliding track when the bed rest is stressed is reduced.

In a second aspect, the present utility model provides a bed comprising a headrest drive as described in the first aspect.

Through adopting above-mentioned technical scheme, the bed that has first aspect bed and leans on first drive arrangement can satisfy the user and lean on the regulation demand of head height and angle, and user's experience nature is better, and is more comfortable when leaning on.

In combination with the second aspect, the technical scheme further comprises a bed frame and a bed rest connected with the link mechanism, the fixed frame is fixedly connected with the bed frame, and the driving mechanism drives the guide piece to slide along the linear track, so that the bed rest moves close to or far away from the bed frame in a linear manner.

Through adopting above-mentioned technical scheme, bed rest head drive arrangement and bedstead fixed connection can guarantee that bed rest head drive arrangement's position is stable, and link mechanism is when linear guide is slided along the straight line, and the bed rest head is the oscilaltion motion, can adjust the height of bed rest head in order to adapt to different user demands.

With reference to the second aspect, in a further technical solution, when the driving mechanism drives the guide member to abut against the rotating track, the headrest rotates, and the rotation angle of the headrest relative to the linear track ranges from 0 ° to 45 °.

By adopting the technical scheme, when the connecting rod mechanism rotates, the inclination angle of the bed rest head changes so as to meet the requirement of a user for reclining. The rotation angle range of the bed rest is set to be 0-45 degrees, so that the requirements of most users on the reclining function can be met, the angle range is comfortable, the users are not influenced to read books or mobile phones, the deep requirements of the users are fully met, and the experience is better.

In summary, the utility model has the following beneficial effects:

1. the bed rest head driving device has the advantages of simple structure, safety, reliability and good motion track consistency.

2. According to the bed rest head driving device, two movements of linear movement and rotary movement of the connecting rod mechanism can be realized through one driving piece, smooth connection transition can be realized through the two movements, the functionality is more reasonable, and the movement is more stable.

3. The bed can meet the adjustment requirements of users on the height and the angle of the head rest of the bed, the inclination angle is more reasonable, the deep requirements of the users are fully met, the experience of the users is better, and the users are more comfortable when leaning.

Drawings

FIG. 1 is a schematic view of the structure of the headrest driving device of the present utility model;

FIG. 2 is a schematic view of another angular configuration of the headrest driving apparatus of the present utility model;

FIG. 3 is a schematic view of the structure of the fixing frame of the present utility model;

FIG. 4 is a schematic view of the drive mechanism of the present utility model;

FIG. 5 is a schematic view of the structure of the linkage mechanism of the present utility model;

FIG. 6 is a schematic view of the structure of the rotation state of the headrest driving device of the present utility model;

FIG. 7 is a schematic view of the structure of the bed of the present utility model in its original use state;

FIG. 8 is a schematic view of the internal structure of the bed of the present utility model in its original use state;

FIG. 9 is a schematic view of the structure of the bed of the present utility model in another use state;

FIG. 10 is a schematic view of the internal structure of the bed according to another use condition of the present utility model.

In the accompanying drawings:

1. a fixing frame; 11. a linear rail; 12. rotating the track; 13. an upper fixing plate; 14. a riser; 15. a cross plate; 2. a driving mechanism; 21. a driving end; 22. a motion end; 23. a guide rail; 24. a right angle frame; 25. a power line; 3. a link mechanism; 31. a driving rod; 32. a slide bar; 321. a guide member; 33. a connecting rod; 34. a rotating lever; 341. a limit column; 35. a drive rack; 351. a connecting plate; 100. a bed rest head driving device; 200. a bed rest; 300. a bed frame.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the present utility model will be described in further detail with reference to the accompanying drawings. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. 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.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. Features of the embodiments described below may be combined with each other without conflict.

Example 1

As shown in fig. 1-6, the present embodiment discloses a headrest driving device 100.

As shown in fig. 1, the headrest driving device 100 includes a fixing frame 1, a link mechanism 3 and a driving mechanism 2, wherein a driving end 21 of the driving mechanism 2 is fixedly connected with the fixing frame 1, a moving end 22 of the driving mechanism 2 is connected with the link mechanism 3, and the moving end 22 can perform linear motion relative to the driving end 21.

As shown in fig. 2, the link mechanism 3 includes a driving lever 31, a slide lever 32, a connecting lever 33, and a rotating lever 34 pivotally connected in order, and the driving lever 31, the slide lever 32, the connecting lever 33, and the rotating lever 34 constitute a four-bar mechanism. In the link mechanism 3, the order of the length of the links from small to large is as follows: a slide rod 32, a connecting rod 33, a rotating rod 34, and a driving rod 31. The driving mechanism 2 comprises a guide rail 23, a moving end 22 of the driving mechanism 2 is fixedly connected with a driving rod 31 of the connecting rod mechanism 3 through a driving frame 35, the moving end 22 moves linearly along the guide rail 23 under the driving of the driving end 21, the length of the driving frame 35 is adjustable, and the distance between two groups of connecting rod mechanisms 3 can be adjusted by adjusting the length of the driving frame 35. Both ends of the driving rod 31 are respectively pivotally connected with the sliding rod 32 and the rotating rod 34, and both ends of the connecting rod 33 are respectively pivotally connected with one end of the sliding rod 32 away from the driving rod 31 and one end of the rotating rod 34 away from the driving rod 31. The connecting rod 33 is used for being connected with the headrest 200, the middle part of the rotating rod 34 is fixed with a limit column 341, and the middle part of the sliding rod 32 is connected with a guide piece 321.

The lateral part of mount 1 is equipped with the slip track, and the slip track includes sharp track 11 and the rotatory track 12 of being connected with sharp track 11, and sharp track 11 is parallel with guide rail 23 slip direction, and actuating mechanism 2 drive link mechanism 3 motion in-process, guide 321 all the time with slip track butt. Under the drive of the driving mechanism 2, the driving rod 31 is driven by the driving end 22 to linearly move along the guide rail 23 through the driving frame 35, when the guide piece 321 slides along the linear rail 11, the limiting column 341 is abutted against the driving rod 31, the assembling surface of the connecting rod 33 and the bed rest 200 is parallel to the linear rail 11, and the overall quadrilateral structure of the connecting rod mechanism 3 which is kept unchanged linearly moves; when the guide 321 abuts against the rotating rail 12, the moving end 22 continues to drive the driving rod 31 to move along the guide rail 23 through the driving frame 35, the guide 321 cannot move under the limitation of the rotating rail 12, the limit column 341 is separated from the driving rod 31, the sliding rod 32 rotates around the guide 321, the link mechanism 3 performs rotating movement, the connecting rod 33 forms an included angle with the assembling surface of the bed rest head 200 and the linear rail 11, and the included angle ranges from 0 ° to 45 °.

As shown in fig. 3, the fixing frame 1 includes a frame fixedly connected by an upper fixing plate 13 and two risers 14, a cross plate 15 is fixedly connected between the two risers 14, a linear rail 11 and a rotary rail 12 are disposed on the risers 14, and the upper fixing plate 13 is used for being fixedly connected with a bed frame 300. For convenience in assembly, the linear rail 11 in this embodiment is a single-sided rail structure, and in practical application, the linear rail 11 may be a rail groove structure.

As shown in fig. 4, the driving mechanism 2 is in a parallel structure of two driving pieces, the driving pieces comprise a driving end 21 and a guide rail 23 fixedly connected with the driving end 21, the driving end 21 is connected with a driving power supply through a power line 25, the driving end 21 is also connected with a moving end 22, and the driving end 21 drives the moving end 22 to slide along the guide rail 23. The driving member in this embodiment is a linear slider, and may be an electric push rod or a linear motor in practical application. The driving ends 21 of the two driving parts are fixedly connected, and the guide rail 23 is far away from the driving ends 21 and is fixedly connected through a right-angle bracket 24, so that a stable rectangular frame is formed. The right-angle frame 24 is used for being fixedly connected with the bedstead 300, and the driving end 21 is fixedly connected with the upper fixing plate 13 of the fixing frame 1.

As shown in fig. 5, the link mechanism 3 is formed by connecting two sets of four-bar mechanisms through a driving frame 35, the driving frame 35 is fixedly connected with driving rods 31 of the two sets of four-bar mechanisms, and the driving rods 31 are sequentially pivotally connected with a sliding rod 32, a connecting rod 33 and a rotating rod 34. Two connecting plates 351 are fixed on the driving frame 35 at intervals, and the connecting plates 351 are used for connecting with the moving end 22 of the driving mechanism 2.

As shown in fig. 6, the link mechanism 3 of the headrest driving device 100 is schematically structured in a rotated state. The driving mechanism 2 drives the driving rod 31 to move towards the driving end 21, the guide piece 321 on the sliding rod 32 enters the rotating track 12, the sliding rod 32 rotates around the guide piece 321, the moving direction of the driving rod 31 is kept parallel to the guiding direction of the guide rail 23, the sliding rod 32, the rotating rod 34 and the connecting rod 33 rotate, and the connecting rod 33 forms an inclined included angle with the guide rail 23.

Example two

As shown in fig. 7 to 10, the present embodiment discloses a bed equipped with the headrest driving device 100 according to the first embodiment, and as shown in fig. 7, the bed according to the present embodiment includes a bed frame 300 and a headrest 200, and in an original use state, the headrest 200 is attached to the bed frame 300 and is in a vertical state.

As shown in fig. 8, two bed rest heads 200 are provided in this embodiment, a bed rest head driving device 100 is vertically and fixedly installed between a bed frame 300 and each bed rest head 200, a fixing frame 1 and a right angle frame 24 are respectively and fixedly connected with the bed frame 300, and a driving rod 31 is fixedly connected with the bed rest head 200. The driving mechanism 2 drives the guide 321 to move along the linear rail 11, and the headrest 200 moves up and down in a linear manner toward or away from the bed frame 300. When the driving mechanism 2 drives the guide 321 to abut against the rotating rail 12, the headrest 200 rotates, and the rotation angle of the headrest 200 relative to the linear rail 11 ranges from 0 ° to 45 °.

As shown in fig. 9 and 10, the two headrest driving devices 100 can respectively drive the connected headrest 200 to move, so that the headrest 200 can realize two use states of vertical and inclined, the inclined angle of the headrest 200 relative to the vertical direction ranges from 0 ° to 45 °, the requirements of users on adjustment of the height and angle of the headrest can be met, the user experience is better, and the user is more comfortable when leaning.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the embodiments and descriptions described herein are merely illustrative of the principles of the present utility model, and various changes, modifications, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model, which are to be defined by the appended claims.

Claims (10)

1. A headrest driving device (100) for driving a headrest (200) to move, comprising:

the fixing frame (1) is provided with a sliding track, and the sliding track comprises a linear track (11) and a rotating track (12) connected with the linear track (11);

the connecting rod mechanism (3) is used for being connected with the bed rest head (200), and the connecting rod mechanism (3) is provided with a guide piece (321) which is in butt joint with the sliding track;

the driving mechanism (2) is connected with the fixing frame (1) and the connecting rod mechanism (3) and is used for driving the connecting rod mechanism (3) to move;

under the drive of the driving mechanism (2), when the guide piece (321) slides along the linear track (11), the link mechanism (3) moves linearly, and when the guide piece (321) abuts against the rotary track (12), the link mechanism (3) moves rotationally.

2. The headrest driving device (100) according to claim 1, wherein the link mechanism (3) comprises a driving rod (31), a sliding rod (32), a connecting rod (33) and a rotating rod (34), the driving rod (31), the sliding rod (32), the connecting rod (33) and the rotating rod (34) are sequentially pivoted to form a four-link mechanism (3), the driving rod (31) is connected with the driving mechanism (2), the guide piece (321) is arranged in the middle part of the sliding rod (32), and the connecting rod (33) is used for connecting the headrest (200).

3. The headrest driving device (100) according to claim 2, wherein a limit post (341) is provided on the rotation rod (34), and when the guide (321) slides along the linear rail (11), the limit post (341) abuts against the driving rod (31) to maintain the link mechanism (3) in a constant quadrilateral configuration.

4. The headrest driving device (100) according to claim 2, wherein the slide bar (32) is shortest and the driving bar (31) is longest in the link mechanism (3).

5. The headrest driving device (100) according to claim 2, wherein the driving mechanism (2) drives the movement track of the driving rod (31) to be parallel to the linear rail (11).

6. The headrest driving device (100) according to claim 5, wherein the driving mechanism (2) comprises a driving end (21) and a moving end (22) capable of moving linearly relative to the driving end (21), the driving end (21) is fixedly connected with the fixing frame (1), and the moving end (22) is connected with the driving rod (31).

7. The headrest driving device (100) according to claim 6, wherein two groups of link mechanisms (3) are arranged on two sides of the driving mechanism (2), the moving end (22) is connected with a driving frame (35) with adjustable length, two ends of the driving frame (35) are fixedly connected with driving rods (31) of the two groups of link mechanisms (3) respectively, and the distance between the two groups of link mechanisms (3) can be adjusted by adjusting the length of the driving frame (35).

8. A bed comprising a headrest drive (100) as claimed in any one of claims 1 to 7.

9. The bed according to claim 8, further comprising a bed frame (300) and a headrest (200) connected to the link mechanism (3), wherein the fixing frame (1) is fixedly connected to the bed frame (300), and the driving mechanism (2) drives the guide member (321) to move linearly toward or away from the bed frame (300) when sliding along the linear rail (11).

10. The bed as claimed in claim 9, characterized in that the drive mechanism (2) drives the guide (321) into abutment with the rotation track (12), the headrest (200) rotates, the angle of rotation of the headrest (200) relative to the linear track (11) being in the range 0 ° to 45 °.