CN207285715U - A kind of frame structure of adjustment mechanism and the application adjustment mechanism - Google Patents

Abstract

The utility model discloses an adjustment mechanism, which comprises a first connecting rod and an installation and fixing part. The installation and fixing part is provided with a first guide groove in the vertical direction, and the lower end of the first connecting rod is along the A guide groove moves, the first connecting rod is provided with a second guide groove, one side of the installation and fixing part is provided with a guide column, the guide column moves along the second guide groove, and the first connecting rod The position between the lower end of the rod and the two ends of the second connecting rod is hinged, one end of the second connecting rod is hinged with the end of the third connecting rod, and the other end of the third connecting rod is fixed to the installation The other end of the second connecting rod is hinged with one end of the fourth connecting rod, the other end of the fourth connecting rod is hinged with one side of the support, and the other end of the first connecting rod One end is hinged at a location between the two ends of the support. The utility model also discloses a frame structure using the adjustment mechanism.

Description

An adjustment mechanism and a frame structure using the adjustment mechanism

technical field

The utility model relates to an adjustment mechanism, in particular to an adjustment mechanism capable of simultaneously lifting and rotating a supporting part relative to a fixed installation part and optimally matching. The utility model also relates to a frame structure using the aforementioned adjustment mechanism, and specifically designs a frame structure that can be applied to sofas and other furniture to achieve optimal adjustment of the angle of the backrest to satisfy the user's waist.

Background technique

The backrests of more and more furniture now have a tilt adjustment function, especially sofas. The back of the sofa needs to be adjusted according to the user's needs in many cases, so as to improve the comfort of the sofa. The backrests of some seats, sofas or beds can be folded up, and can be raised again when in use, which is realized by setting a turning mechanism between the backrest and the seat body at present. Although now there is a turning mechanism that can realize that the backrest seat and the backrest body are folded together when not in use, and can raise the backrest and adjust the angle of the backrest to a suitable inclination during use. The current turning mechanism cannot realize the synchronous adjustment of the height and angle of the turning part relative to the fixing part so as to provide users with the best user experience. There is an urgent need for an adjustment mechanism and a frame structure using the adjustment mechanism that can realize the optimal adjustment of the height and angle of the reversing part relative to the fixed part and achieve synchronization so as to provide users with a better experience. Installing the frame structure directly on the sofa can realize automatic adjustment without manual adjustment.

Utility model content

The technical problem to be solved by the utility model is that, aiming at the deficiencies of the prior art, the purpose of the utility model is to provide an adjustment mechanism capable of simultaneously lifting and rotating the supporting part relative to the fixed installation part, and the application of the aforementioned adjustment mechanism frame structure.

In order to solve the above-mentioned first technical problem, the utility model provides an adjustment mechanism, the key of which is to include a first connecting rod and an installation and fixing part, and the installation and fixing part is provided with a first guide in the vertical direction groove, the lower end of the first connecting rod moves along the first guide groove, the first connecting rod is provided with a second guide groove, one side of the installation and fixing part is provided with a guide post, and the guide The column moves along the second guide groove, the lower end of the first connecting rod is hinged to the position between the two ends of the second connecting rod, and one end of the second connecting rod is hinged to the end of the third connecting rod , the other end of the third connecting rod is hinged with the fixing part, the other end of the second connecting rod is hinged with one end of the fourth connecting rod, and the other end of the fourth connecting rod is connected with the support One side of the first link is hinged together, and the other end of the first link is hinged at a position between the two ends of the support.

As an improvement of the present invention, the support includes a lower part of the support below the hinge position of the support and the first link and an upper part of the support above the support, and the fourth link is connected to the support The lower end is hinged. The first connecting rod is arc-shaped as a whole, and the second guide groove is also arc-shaped as a whole, and the arc of the first connecting rod is consistent with the arc of the second guide groove.

As a further improvement of the utility model, the fourth connecting rod includes a long rod part and a short rod part, one end of the long rod part is hinged with the lower part of the support rod, and the long rod part and the short rod part are hinged together. The rods are connected in a circular arc transition, and the end of the second connecting rod is hinged to the end of the short rod. The included angle between the upper part of the support member and the lower part of the support member is an obtuse angle, and the two are connected through a circular arc transition, and the included angle between the long rod part and the short rod part is an obtuse angle.

As a further improvement of the utility model, when the lower end of the first connecting rod is located at the lowermost side of the first guide groove, the part above the hinge of the second connecting rod and the first connecting rod The part is the upper part of the second connecting rod, and the part below is the lower part of the second connecting rod. The length of the upper part of the second connecting rod is greater than the length of the lower part of the second connecting rod. The included angle between the lower parts of the connecting rods is an obtuse angle.

As a further improvement of the utility model, a first fixing column is arranged on the lower part of the support, and a second fixing column is arranged between the hinge of the first connecting rod and the support and the uppermost side of the second guide groove. Two fixed columns, a spring is arranged between the first fixed column and the second fixed column, one side of the spring is connected with the first fixed column, and the other side is connected with the second fixed column .

Preferably, the lower part of the support member is provided with a sliding groove whose overall direction is roughly parallel to the connection line between the first fixing column and the second fixing column, and the end of the long rod part is provided with a sliding column, so that The sliding column is engaged in the sliding groove and can move along the sliding groove.

In order to solve the above-mentioned second technical problem, the utility model provides a frame structure using the above-mentioned adjustment mechanism. The lower end of the first connecting rod moves up and down along the linear motion output device of the first guide groove, the installation and fixing part of the left adjustment mechanism is fixedly connected with the left fixing plate, and the installation and fixing of the right adjustment mechanism The part is fixedly connected with the fixed plate on the right side.

As an improvement of the present utility model, the linear motion output device includes a fixed part and a moving part that moves linearly relative to the fixed part, the fixed part is connected with the left fixed plate and the right fixed plate, The moving part is connected with the first connecting rods of the two adjustment mechanisms.

Compared with the prior art, the utility model has the following beneficial technical effects:

An adjustment mechanism, comprising a first connecting rod and a mounting and fixing part, the mounting and fixing part is provided with a first guide groove in a vertical direction, the lower end of the first connecting rod moves along the first guide groove, The first connecting rod is provided with a second guide groove, and one side of the installation and fixing part is provided with a guide column, and the guide column moves along the second guide groove, and the lower end of the first connecting rod is connected to the second guide groove. The position between the two ends of the second connecting rod is hinged, one end of the second connecting rod is hinged with the end of the third connecting rod, and the other end of the third connecting rod is hinged with the installation and fixing part, The other end of the second connecting rod is hinged with one end of the fourth connecting rod, the other end of the fourth connecting rod is hinged with one side of the support, and the other end of the first connecting rod is connected with the support A positional hinge between the two ends of a piece. Due to this structural design, as long as the lower end of the first connecting rod is pushed to move along the first guide groove, the height adjustment and angle adjustment of the support member relative to the fixing part can be realized at the same time, and it is ensured that after adjustment The angle and height of the sofa can meet the needs of furniture such as sofas. The support includes a support lower portion below a hinged position of the support and the first link and an upper support above the support, and the fourth link is hinged to an end of the support lower. The first connecting rod is arc-shaped as a whole, and the second guide groove is also arc-shaped as a whole, and the arc of the first connecting rod is consistent with the arc of the second guide groove. The fourth connecting rod includes a long rod part and a short rod part, one end of the long rod part is hinged to the lower part of the support rod, and a circular arc transition is formed between the long rod part and the short rod part connected, the end of the second link is hinged to the end of the short rod. The included angle between the upper part of the support member and the lower part of the support member is an obtuse angle, and the two are connected through a circular arc transition, and the included angle between the long rod part and the short rod part is an obtuse angle. When the lower end of the first connecting rod is located at the lowermost side of the first guide groove, the part above the hinge of the second connecting rod and the first connecting rod is the upper part of the second connecting rod and the lower part of the second connecting rod. The part is the lower part of the second connecting rod, the length of the upper part of the second connecting rod is greater than the length of the lower part of the second connecting rod, and the angle between the upper part of the second connecting rod and the lower part of the second connecting rod is obtuse angle. A first fixed column is arranged on the lower part of the support, and a second fixed column is arranged between the hinge of the first connecting rod and the support and the uppermost side of the second guide groove. A spring is arranged between the fixing post and the second fixing post, one side of the spring is connected to the first fixing post, and the other side is connected to the second fixing post. It is convenient to set the spring to return to the initial position smoothly after being adjusted to the position. The lower part of the support member is provided with a sliding groove whose overall direction is roughly parallel to the connection line between the first fixed column and the second fixed column, and the end of the long rod is provided with a sliding column, and the sliding column It is embedded in the slide groove and can move along the slide groove, so that the support can rotate within a certain range, and the safety can be ensured by the rotation of the support itself when other things are stuck in. Through further optimization of these components of the adjustment mechanism, the overall structure of the adjustment mechanism can be simplified while meeting the stability requirements of use, so that the adjustment mechanism can meet the smooth use requirements for a long time and multiple frequencies. The utility model provides a frame structure using the above-mentioned adjustment mechanism, which includes two adjustment mechanisms arranged relatively on the left and right sides and a device for pushing the lower ends of the first connecting rods of the two adjustment mechanisms to move up and down along the first guide groove. In the linear motion output device, the installation and fixing part of the left adjustment mechanism is fixedly connected to the left fixing plate, and the installation and fixing part of the right adjustment mechanism is fixed and connected to the right fixing plate. The frame structure is directly applied to furniture such as sofas, and the power output of the linear motion output device can realize the demand for electric and convenient adjustment. The linear motion output device includes a fixed part and a moving part that moves linearly relative to the fixed part, the fixed part is connected to the left fixed plate and the right fixed plate, the moving part is connected to the The first connecting rods of the two adjustment mechanisms are connected together, which further ensures the stable operation of the frame structure itself.

Description of drawings

The utility model is described in further detail below in conjunction with the accompanying drawings of the description, wherein:

Fig. 1 is the schematic diagram of the adjustment initial state of the adjustment mechanism;

Fig. 2 is a schematic diagram of the adjustment completion state of the adjustment mechanism;

Fig. 3 is the schematic diagram of the adjustment initial state of the frame structure;

Fig. 4 is a schematic diagram of a state in which the adjustment of the frame structure is completed.

Detailed ways

An adjustment mechanism: comprising a first connecting rod 10 and an installation and fixing part 90, the installation and fixing part 90 is provided with a first guide groove 91 in the vertical direction, and the lower end of the first connecting rod 10 is along the A guide groove 91 moves, the first connecting rod 10 is provided with a second guide groove 11, and one side of the mounting and fixing part 90 is provided with a guide column 92, and the guide column 92 is arranged along the second guide groove 11. Move, the position between the lower end of the first connecting rod 10 and the two ends of the second connecting rod 20 is hinged, one end of the second connecting rod 20 is hinged with the end of the third connecting rod 30, and the second connecting rod 20 is hinged. The other end of the three connecting rods 30 is hinged with the installation and fixing part 90, the other end of the second connecting rod 20 is hinged with one end of the fourth connecting rod 40, and the other end of the fourth connecting rod 40 is connected with the support One side of the member 80 is hinged together, and the other end of the first link 10 is hinged at the position between the two ends of the support member 80 . The support 80 includes a support lower part 81 below the hinge position of the support 80 and the first connecting rod 10 and a support upper part 82 above, the fourth connecting rod 40 and the support lower part The end of 81 is hinged. The first connecting rod 10 is arc-shaped as a whole, and the second guide groove 11 is also arc-shaped overall, and the arc of the first connecting rod 10 is consistent with the arc of the second guide groove 11 . The fourth connecting rod 40 includes a long rod part 41 and a short rod part 42, one end of the long rod part 41 is hinged with the lower part 81 of the support rod, and the long rod part 41 and the short rod part 42 are connected by an arc transition, and the end of the second connecting rod 20 is hinged to the end of the short rod 42 . The included angle between the support upper part 82 and the support lower part 81 is an obtuse angle, and the two are connected through a circular arc transition, and the included angle between the long rod part 41 and the short rod part 42 is an obtuse angle. When the lower end of the first connecting rod 10 is located at the lowermost side of the first guide groove 91, the part above the hinge between the second connecting rod 20 and the first connecting rod 10 is the second connecting rod. The part below the upper part 21 of the rod is the lower part 22 of the second connecting rod. The length of the upper part 21 of the second connecting rod is greater than the length of the lower part of the second connecting rod. The included angle between the lower rod parts 22 is an obtuse angle. A first fixing column 811 is arranged on the lower part 81 of the support member, and a second fixing column 12 is arranged between the hinge of the first connecting rod 10 and the support member 80 and the uppermost side of the second guide groove 11 , a spring 70 is arranged between the first fixing post 811 and the second fixing post 12, one side of the spring 70 is connected to the first fixing post 811, and the other side is connected to the second fixing post 12. Column 12 is connected. The lower part 81 of the support member is provided with a sliding groove 812 whose overall direction is approximately parallel to the line connecting the first fixing column 811 and the second fixing column 12, and the end of the long rod part 41 is provided with a sliding column 411 , the sliding column 411 is engaged in the sliding groove 812 and can move along the sliding groove 812 . A frame structure using the aforementioned adjustment mechanism, including two adjustment mechanisms arranged on the left and right sides and a straight line that pushes the lower end of the first connecting rod 10 of the two adjustment mechanisms to move up and down along the first guide groove 90 In the motion output device 60 , the installation and fixing part 90 of the left adjustment mechanism is fixedly connected with the left fixing plate 51 , and the installation and fixing part 90 of the right adjustment mechanism is fixed and connected with the right fixing plate 52 . The linear motion output device 60 includes a fixed part 61 and a moving part 62 that moves linearly relative to the fixed part 61, the fixed part 61 is connected to the left fixed plate 51 and the right fixed plate 52, The moving part 62 is connected with the first connecting rods 10 of the two adjustment mechanisms.

Claims (10)

1. An adjustment mechanism, characterized in that it comprises a first connecting rod (10) and a mounting and fixing portion (90), the mounting and fixing portion (90) is provided with a first guide groove (91) in a vertical direction, The lower end of the first connecting rod (10) moves along the first guide groove (91), the first connecting rod (10) is provided with a second guide groove (11), and the fixing part ( One side of 90) is provided with a guide column (92), and the guide column (92) moves along the second guide groove (11), and the lower end of the first connecting rod (10) is connected with the second connecting rod ( 20) is hinged at the position between the two ends, one end of the second connecting rod (20) is hinged with the end of the third connecting rod (30), and the other end of the third connecting rod (30) is connected with the The installation and fixing parts (90) are hinged together, the other end of the second connecting rod (20) is hinged with one end of the fourth connecting rod (40), and the other end of the fourth connecting rod (40) is connected with the support ( 80) are hinged together, and the other end of the first link (10) is hinged at the position between the two ends of the support (80). 2. An adjustment mechanism according to claim 1, characterized in that: the support (80) includes a support located below the hinge position between the support (80) and the first connecting rod (10). The lower part (81) of the supporting part and the upper part of the supporting part (82) above, the fourth connecting rod (40) is hinged with the end of the lower part of the supporting part (81). 3. An adjustment mechanism according to claim 2, characterized in that: the first connecting rod (10) is arc-shaped as a whole, and the second guide groove (11) is also arc-shaped as a whole, and the The radian of the first connecting rod (10) is consistent with the radian of the second guide groove (11). 4. An adjustment mechanism according to claim 3, characterized in that: the fourth connecting rod (40) comprises a long rod portion (41) and a short rod portion (42), and the long rod portion (41) One end of the support rod is hinged with the lower part (81), the long rod part (41) and the short rod part (42) are connected in a circular arc transition, and the second connecting rod (20) and the end of the short rod (42) is hinged. 5. An adjustment mechanism according to claim 4, characterized in that: the angle between the upper part (82) of the support part (82) and the lower part (81) of the support part is an obtuse angle, and an arc is passed between them For the transition connection, the included angle between the long rod portion (41) and the short rod portion (42) is an obtuse angle. 6. An adjustment mechanism according to claim 5, characterized in that: when the lower end of the first connecting rod (10) is located at the lowermost side of the first guide groove (91), the second The part above the hinge of the two connecting rods (20) and the first connecting rod (10) is the upper part (21) of the second connecting rod, and the part below is the lower part (22) of the second connecting rod. The length of the upper part of the rod (21) is greater than the length of the lower part of the second connecting rod, and the included angle between the upper part of the second connecting rod (21) and the lower part of the second connecting rod (22) is an obtuse angle. 7. An adjustment mechanism according to claim 6, characterized in that: a first fixing column (811) is arranged on the lower part (81) of the support member, and the first connecting rod (10) is connected to the A second fixing column (12) is arranged between the hinge of the support (80) and the uppermost side of the second guide groove (11), and the first fixing column (811) and the second fixing column (12) ) is provided with a spring (70), one side of the spring (70) is connected to the first fixed column (811), and the other side is connected to the second fixed column (12). 8. An adjustment mechanism according to claim 7, characterized in that: the lower part (81) of the support is provided with an overall direction and the first fixed column (811) and the second fixed column (12) ) is substantially parallel to the sliding groove (812), the end of the long rod part (41) is provided with a sliding column (411), and the sliding column (411) is snapped into the sliding groove (812) And it can move along the slide groove (812). 9. A frame structure applying the adjustment mechanism described in any one of claims 1 to 8, characterized in that it includes two adjustment mechanisms arranged oppositely on the left and right sides and a first link for pushing the two adjustment mechanisms. The lower end of the rod (10) moves up and down along the linear motion output device (60) of the first guide groove (91), and the fixing part (90) of the left adjustment mechanism is connected with the left fixed plate (51) Fixedly connected, the installation and fixing part (90) of the right side adjustment mechanism is fixedly connected with the said right side fixed plate (52). 10. A frame structure according to claim 9, characterized in that: the linear motion output device (60) comprises a fixed part (61) and a moving part ( 62), the fixed part (61) is connected with the left fixed plate (51) and the right fixed plate (52), and the moving part (62) is connected with the first connection of the two adjustment mechanisms Rods (10) are connected together.