CN217994228U - Backrest suspension spring structure, seat backrest, seat and vehicle - Google Patents
Backrest suspension spring structure, seat backrest, seat and vehicle Download PDFInfo
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- CN217994228U CN217994228U CN202221439592.3U CN202221439592U CN217994228U CN 217994228 U CN217994228 U CN 217994228U CN 202221439592 U CN202221439592 U CN 202221439592U CN 217994228 U CN217994228 U CN 217994228U
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- backrest
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- seat
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Abstract
The utility model discloses a backrest suspension spring structure, a seat backrest, a seat and a vehicle, which comprises a frame connected with a backrest framework, a stay wire used for adjusting the hardness of a backrest foaming layer and a stay wire retracting mechanism used for tightening and loosening the stay wire; the pull wire is connected with the frame in a sliding mode and connected with the pull wire retracting mechanism. The utility model discloses a back suspension spring structure, backrest, seat and vehicle adjusts the elasticity of acting as go-between through the jack of acting as go-between, can adjust the hardness degree of backrest, has satisfied the demand of different user groups.
Description
Technical Field
The utility model relates to a technical field is adjusted to the back hardness, especially relates to a back suspension spring structure, backrest, seat and vehicle.
Background
The seat comprises a seat cushion and a seat back, and the seat back comprises a back frame and a back foaming layer. To improve the comfort of the seat back, a lumbar support is typically installed in the seat back. For example, the chinese utility model patent with publication number CN206374601U discloses a bidirectional mesh type manual waist support, which can only adjust the height of the waist support, but cannot adjust the hardness of the foaming layer of the backrest.
In practical application, different users have different requirements on the hardness degree of the seat backrest, and the seat backrest in the prior art lacks the hardness adjustment function of a backrest foaming layer, so that the requirements of different user groups cannot be met.
In view of the above, it is necessary to provide a backrest suspension spring structure, a seat backrest, a seat and a vehicle, which can adjust the hardness of a backrest foam layer.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide a back suspension spring structure, backrest, seat and the vehicle that can carry out the softness and hardness regulation to the back foaming layer.
The technical scheme of the utility model provides a backrest suspension spring structure, which comprises a frame connected with a backrest framework, a stay wire used for adjusting the hardness of a backrest foaming layer and a stay wire retracting mechanism used for tightening and loosening the stay wire;
the pull wire is connected with the frame in a sliding mode and connected with the pull wire retracting mechanism.
In an optional technical solution, the pull wire retracting mechanism includes a motor and a wire winding roll mounted on an output shaft of the motor, and the pull wire is connected to the wire winding roll.
In one optional technical scheme, two opposite sides of the frame are respectively provided with a side frame, and a plurality of wire buckles are arranged on each side frame at intervals;
the pull wire sequentially penetrates through the wire buckles on the two side frames.
In an optional technical solution, the pull line is arranged between the two side frames in a crossing manner to form a net shape.
In one optional technical scheme, a stay bar is connected to the stay wire; the stay bar extends along the height direction of the frame, and the stay bar is located in the middle of the frame in the width direction of the frame.
In one optional technical scheme, the pull wire retracting mechanism is installed at the lower part of the frame.
In one optional technical scheme, a hanging piece used for being connected with the backrest framework is connected to the framework.
The technical scheme of the utility model a seat back is still provided, including aforementioned arbitrary technical scheme back suspension spring structure.
The technical scheme of the utility model still provides a seat, including aforementioned technical scheme seat back.
The technical scheme of the utility model a still provide a vehicle, including aforementioned technical scheme the seat.
By adopting the technical scheme, the method has the following beneficial effects:
the utility model provides a back suspension spring structure, backrest, seat and vehicle, the accessible is acted as go-between and is received the jack and adjust the elasticity degree of acting as go-between. When the stay wire is in a tensioning state, the stay wire is tightly attached to the backrest foaming layer, the sinking amount or invasion amount of the backrest foaming layer is reduced, and the seat backrest is harder. When the pull wire is in a loosened state, at least partial area of the pull wire is separated from the backrest foaming layer, the backrest foaming layer has a certain sinking amount or invasion amount, and the seat backrest is softer.
Therefore, the utility model provides a back suspension spring structure, backrest, seat and vehicle adjusts the elasticity of acting as go-between through the jack of acting as go-between, can adjust the hardness degree of backrest, has satisfied the demand of different user groups.
Drawings
The disclosure of the present invention will become more readily understood by reference to the drawings. It should be understood that: these drawings are for illustrative purposes only and are not intended to limit the scope of the present disclosure. In the figure:
fig. 1 is a schematic view of a suspension spring structure of a backrest according to an embodiment of the present invention;
fig. 2 is a schematic view of the seat back according to an embodiment of the present invention, wherein the stay wire is in a tensioned state when the stay wire retracting mechanism rotates in a forward direction;
FIG. 3 is a schematic view of the pull cord abutting the foam layer of the backrest when the pull cord is in a tensioned state;
fig. 4 is a schematic view of the seat back according to an embodiment of the present invention, when the wire retracting mechanism rotates in the reverse direction, the wire is in a loosened state;
fig. 5 is a schematic view of a portion of the area of the drawstring being separated from the foam layer of the backrest when the drawstring is in a released state.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1 and fig. 2-5, an embodiment of the present invention provides a backrest suspension spring structure, which includes a frame 1 connected to a backrest frame 4, a stay wire 2 for adjusting the hardness of a backrest foaming layer 5, and a stay wire retracting mechanism 3 for tightening and loosening the stay wire 2.
The stay wire 2 is connected with the frame 1 in a sliding way, and the stay wire 2 is connected with the stay wire retracting mechanism 3.
The utility model provides a back suspension spring structure for install in the back skeleton 4 of back, in order to carry out the softness and hardness regulation to back foaming layer 5 on the back skeleton 4.
The backrest suspension spring structure comprises a frame 1, a stay wire 2 and a stay wire retracting mechanism 3. The frame 1 is a support structure of a backrest suspension spring structure, and is connected with a backrest framework 4. The stay wire 2 is a tension adjusting mechanism and is connected to the frame 1. The pull wire 2 is connected with the frame 1 in a sliding way, and can be pulled to be in a tensioning state on the frame 1 and also can be loosened to be in a loosening or loosening state.
The stay wire 2 is provided with a plurality of stay wire sections in the frame 1, the front stay wire section and the rear stay wire section in the plurality of stay wire sections are connected in sequence, and the plurality of stay wire sections can be arranged in a crossed net shape or in a parallel way. The pull wire 2 can be made of steel wire.
One end of the stay wire 2 is connected with the stay wire retracting mechanism 3. The wire retracting mechanism 3 is used for retracting and releasing the wire 2. The wire retracting mechanism 3 can be selectively installed on the backrest frame 4, and can also be selectively installed on the frame 1. The wire retracting mechanism 3 may be a manual adjustment mechanism, such as a hand wheel mechanism, a rocker mechanism. The wire takeup and release mechanism 3 may also be an automatic adjustment mechanism, such as a motor mechanism.
As shown in fig. 2-3, when the wire retracting mechanism 3 acts to tension the wire 2, the wire 2 is tightly attached to the backrest foam layer 5, the sinking amount or invasion amount of the backrest foam layer 5 is reduced, and the seat backrest is relatively hard.
As shown in fig. 4-5, when the wire releasing/retracting mechanism 3 applies the wire 2 in a loosened or relaxed state, at least a portion of the wire 2 is separated from the backrest foam layer 5, the backrest foam layer 5 has a certain sinking amount or invasion amount, and the seat back is soft.
Therefore, the utility model provides a back suspension spring structure adjusts the elasticity of acting as go-between 2 through the jack 3 that acts as go-between, can adjust the hardness degree of seat back, has satisfied the demand of different user groups.
In one embodiment, as shown in fig. 1, the wire retracting mechanism 3 includes a motor 31 and a wire winding reel 32 mounted on an output shaft of the motor 31, and the wire 2 is connected to the wire winding reel 32.
In this embodiment, the wire retracting mechanism 3 adopts a motor mechanism, which includes a motor 31 and a winding roll 32, the winding roll 32 is installed on an output shaft or a rotating shaft of the motor 31, and the wire 2 is connected with the winding roll 32, so as to realize the automatic retracting operation of the wire 2. The winding roll 32 has a groove for conveniently winding and unwinding the stay wire.
As shown in fig. 2, when the winding roll 32 is rotated forward by the motor 31, the wire 2 is pulled and the wire 2 is under tension.
As shown in fig. 4, when the motor 31 rotates the winding roll 32 in the reverse direction, the wire 2 is loosened, and the wire 2 is in a loosened or relaxed state.
In one embodiment, as shown in fig. 1, two opposite sides of the frame 1 respectively have a side frame 11, and a plurality of wire fasteners 12 are arranged on each side frame 11 at intervals. The pull wire 2 sequentially passes through the wire buckles 12 on the two side frames 11.
The buckle 12 may be a hook, a sleeve, or the like, and is used to assemble the wire 2 with the side frame 11, and the wire 2 can slide relative to the buckle 12.
In one embodiment, as shown in fig. 1, the stay wires 2 are arranged between the two side frames 11 in a crossing manner to form a net shape, and have a large number of contact line segments with the backrest foaming layer 5, so that the support effect on the backrest foaming layer 5 is good.
In one embodiment, as shown in fig. 1, a stay 21 is attached to the wire 2. The stay 21 extends in the height direction of the frame 1. The stay 21 is in the middle of the frame 1 in the width direction along the frame 1.
In this embodiment, the stay 21 serves to connect the stay 2 to the center and also serves to support the foam layer 5 of the backrest. The stay 21 is arranged vertically in the frame 1 and in the middle of the width of the frame 1.
The stay bar 21 is preferably a plastic bar, has light weight, and can be pulled and bent by the pull wire 2 to adapt to the deformation requirement of the backrest foaming layer 5.
When the stay wire 2 is in a tensioned state, the stay bar 21 is tightly attached to the backrest foaming layer 5 to support the backrest foaming layer 5, so that the hardness of the middle part of the backrest foaming layer 5 is favorably improved. When the stay 2 is in a loosened or relaxed state, a partial area between the upper and lower ends of the stay 21 is separated from the back foam layer 5, and a certain sinking amount or intrusion amount is formed between the back foam layer 5 and the stay 21 to reduce the softness of the middle portion of the back foam layer 5.
In one embodiment, the wire retracting mechanism 3 is mounted to the lower portion of the frame 1 as shown in fig. 1. The stay wire retracting and releasing mechanism 3 is integrated on the frame 1, the installation position of the stay wire retracting and releasing mechanism 3 does not need to be reserved on the backrest frame 1, and the assembly of the stay wire 2 and the stay wire retracting and releasing mechanism 3 is also facilitated.
The stay wire retracting mechanism 3 is integrated to the lower part of the frame 1, so that the gravity center of the backrest suspension spring structure is positioned at the bottom of the structure, and the stability of the structure is improved.
In one embodiment, as shown in fig. 1 in conjunction with fig. 2-5, a hanger 13 is attached to the frame 1 for attachment to the back frame 4. The hanging piece 13 can be a hanging rope, a metal wire, a hanging rod, a hook and the like, and the frame 1 is conveniently assembled in the backrest framework 4.
As shown in fig. 2 to 5, an embodiment of the present invention provides a seat back, including a back suspension spring structure according to any one of the foregoing embodiments.
For the structure, structure and operation principle of the backrest suspension spring structure, please refer to the description of the backrest suspension spring structure, which will not be described herein.
Generally, a seat back includes a back frame 4, a back suspension spring structure is in the back frame 4, and a frame 1 is connected with the back frame 4. The backrest frame 4 is provided with a backrest foaming layer 5. The backrest suspension spring structure is arranged on the back side or the rear side of the backrest foaming layer 5.
When the stay wire 2 is in a tensioning state, the stay wire 2 is attached to the backrest foaming layer 5.
When the pull string 2 is in a loosened state, at least partial area of the pull string 2 is separated from the backrest foaming layer 5.
As shown in fig. 2-3, when the wire retracting mechanism 3 acts to tension the wire 2, the wire 2 is tightly attached to the backrest foam layer 5, the sinking amount or invasion amount of the backrest foam layer 5 is reduced, and the seat backrest is relatively hard.
As shown in fig. 4-5, when the wire releasing and retracting mechanism 3 applies the wire 2 in a loosened or relaxed state, at least a portion of the wire 2 is separated from the backrest foam layer 5, the backrest foam layer 5 has a certain sinking or intrusion amount, and the seat back is soft.
Therefore, the utility model provides a backrest adjusts the elasticity of acting as go-between 2 through the jack mechanism 3 that acts as go-between, can adjust backrest's soft or hard degree, has satisfied the demand of different user groups.
An embodiment of the utility model provides a seat, including aforementioned embodiment the seat back.
The utility model provides a seat adjusts the elasticity of acting as go-between 2 through the jack 3 that acts as go-between, can adjust the softness and hardness degree of seat back, has satisfied the demand of different user groups.
An embodiment of the utility model provides a vehicle, including preceding embodiment the seat.
The utility model provides a vehicle adjusts the elasticity of acting as go-between 2 through the jack that acts as go-between 3, can adjust the softness and hardness degree of seat back, has satisfied the demand of different user groups.
The above-described technical solutions or embodiments may be combined as required to achieve the best technical effect.
What has been described above is merely the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, on the basis of the principle of the present invention, several other modifications can be made, and the protection scope of the present invention should be considered.
Claims (10)
1. A backrest suspension spring structure is characterized by comprising a frame, a stay wire and a stay wire retracting mechanism, wherein the frame is used for being connected with a backrest framework;
the pull wire is connected with the frame in a sliding mode and connected with the pull wire retracting mechanism.
2. The backrest suspension spring structure as claimed in claim 1, wherein the wire retracting mechanism includes a motor and a wire winding reel mounted on an output shaft of the motor, the wire being connected to the wire winding reel.
3. The backrest suspension spring structure of claim 1, wherein said frame has a side frame on each of opposite sides thereof, and a plurality of wire fasteners are arranged on each side frame at intervals;
the pull wire sequentially penetrates through the wire buckles on the two side frames.
4. The back suspension spring structure of claim 3, wherein the stay is cross-disposed between the two side frames in a net shape.
5. The back suspension spring structure according to any one of claims 1 to 4, wherein a stay is connected to the wire;
the stay bar extends along the height direction of the frame, and is located in the middle of the frame along the width direction of the frame.
6. The backrest suspension spring structure according to any one of claims 1-4, wherein the wire retraction mechanism is mounted at a lower portion of the frame.
7. The backrest suspension spring structure according to any one of claims 1 to 4, characterized in that a hanger for connection with the backrest frame is connected to the frame.
8. A seat back, characterized by a back suspension spring structure as claimed in any one of claims 1-7.
9. A seat comprising the seat back of claim 8.
10. A vehicle comprising the seat of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221439592.3U CN217994228U (en) | 2022-06-09 | 2022-06-09 | Backrest suspension spring structure, seat backrest, seat and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221439592.3U CN217994228U (en) | 2022-06-09 | 2022-06-09 | Backrest suspension spring structure, seat backrest, seat and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217994228U true CN217994228U (en) | 2022-12-09 |
Family
ID=84293533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221439592.3U Active CN217994228U (en) | 2022-06-09 | 2022-06-09 | Backrest suspension spring structure, seat backrest, seat and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217994228U (en) |
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2022
- 2022-06-09 CN CN202221439592.3U patent/CN217994228U/en active Active
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