CN220675603U - Chair with adjustable chair back - Google Patents
Chair with adjustable chair back Download PDFInfo
- Publication number
- CN220675603U CN220675603U CN202322487973.XU CN202322487973U CN220675603U CN 220675603 U CN220675603 U CN 220675603U CN 202322487973 U CN202322487973 U CN 202322487973U CN 220675603 U CN220675603 U CN 220675603U
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- Prior art keywords
- connecting rod
- chair
- gas spring
- rod
- seat
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- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000000694 effects Effects 0.000 abstract description 9
- 230000033001 locomotion Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Abstract
The utility model relates to a chair with an adjustable chair back, which comprises a mounting seat, a push switch, a gas spring, a connecting rod and a backrest, wherein the push switch is connected with the gas spring switch through a connecting rope, the gas spring switch and the gas spring are arranged in the mounting seat, the upper end of the connecting rod is provided with a backrest support seat, the backrest is arranged on the backrest support seat, and the lower end of the connecting rod is matched with the gas spring. By adopting the technical scheme, the utility model provides the chair with the adjustable back, and the back can be inclined backwards when leaning, so that the chair can be more attached to the back of a human body, and the use effect is good.
Description
Technical Field
The utility model relates to a seat, in particular to a seat with an adjustable back.
Background
The seat is a seating tool with a backrest, has wide application, can be used for offices, automobiles, home furnishings and the like, and has an adjusting function for meeting the original purposes of individuation and original seat protection, thereby achieving comfortable living necessities.
The utility model discloses a chair with an adjustable chair back, which is disclosed in China patent publication No. CN203468073U and comprises a chair back, a chair seat and a base, wherein the chair back is fixed on the rear side of the chair seat, the chair seat is arranged on the base and comprises a chair seat shell and a chair seat cover, the chair seat cover is covered on the chair seat shell, and a connecting groove is formed in the rear end of the chair seat shell. However, the existing seats have the problem that the backrest cannot be aligned
The back-tracking effect cannot be achieved due to the front-back adjustment function, the comfort level cannot be met, and the user cannot feel good experience.
Therefore, the applicant applies for an utility model patent in advance, which can realize the back-following effect, but the backrest is always arranged vertically to the cushion, so that the use effect is poor.
Disclosure of Invention
The purpose of the utility model is that: in order to overcome the defects in the prior art, the utility model provides the chair with the adjustable back, and the back can be inclined backwards when leaning, so that the chair is more fit with the back of a human body, and the use effect is good.
The technical scheme of the utility model is as follows: the utility model provides a back of chair adjustable seat, includes mount pad, push type switch, gas spring, connecting rod and back, push type switch passes through the connecting rope and is connected with gas spring switch, and gas spring switch and gas spring all set up in the mount pad, the connecting rod upper end is equipped with the back supporting seat, the back setting on the back supporting seat, connecting rod lower extreme and gas spring cooperation, be equipped with the dead lever on the back supporting seat, the connecting rod cover establish on the dead lever, and the mounting hole on the connecting rod is greater than the diameter of dead lever, be equipped with the horizontal pole on the connecting rod, be equipped with the elastic component on the dead lever, elastic component one end and horizontal pole cooperation.
By adopting the technical scheme, when a user presses the push switch, the gas spring switch is pulled under the action of the steel wire rope, and a pushing force is applied to the bottom end of the connecting rod through the gas spring, so that the upper end of the connecting rod moves towards the opposite direction, the backrest has the function of front-back adjustment, the effect of tracking the backrest is achieved, when the push switch is released, the gas spring switch locks the gas spring, and when the user leans backwards, the backrest supporting seat can rotate relative to the connecting rod, the elastic piece is compressed, the inclination of the backrest is realized, the backrest is more attached to the back of the user, the backrest can move along with the curve of the back of the human body, the user can operate the backrest simply and conveniently, comfort is met, high-quality experience is provided for the user, and the user can leave the back of the backrest and automatically return under the action of the elastic piece.
The utility model is further provided with: the connecting rod is characterized in that a transmission assembly is arranged between the connecting rod and the gas spring, the transmission assembly comprises two first connecting plates, two second connecting plates, a first connecting rod and a second connecting rod, the two first connecting plates are arranged on the outer sides of the two second connecting plates, the front ends of the two first connecting plates are connected through the first connecting rods, the gas spring is connected with the first connecting rods, the two second connecting plates are connected through the second connecting rods, the front ends of the two second connecting plates are hinged to the mounting seat, the connecting rods are hinged to the second connecting rods, and the rear ends of the two first connecting plates and the two second connecting plates are connected through first hinging rods.
Adopt above-mentioned further setting for the connecting rod motion is more stable, better realization chasing behind the effect, and the air spring promotes the motion of head rod, drives first connecting plate and second connecting plate motion, thereby drives the connecting rod motion of setting on the second connecting rod.
Still further, the present utility model provides: the connecting rod is characterized by further comprising an outer cover and a connecting frame, wherein the outer cover is arranged on the periphery of the connecting rod, the upper end of the outer cover is connected with the backrest supporting seat, the lower end of the outer cover is covered outside the mounting seat, the connecting frame is arranged in the outer cover and located outside the connecting rod, the upper end of the connecting frame is connected with the outer cover, and the lower end of the connecting frame is hinged to the first connecting rod.
By adopting the further arrangement, the utility model is more beautiful, the transmission component is not exposed, the outer cover and the connecting frame move synchronously with the transmission component, the connecting frame is connected with the outer cover through screws, the disassembly and the assembly are convenient,
still further, the present utility model is provided with: the dustcoat includes the first cover body and the second cover body that the components of a whole that can function independently set up, set up the mounting groove on the back lateral wall of back supporting seat, the dead lever setting is in the mounting groove, and the rear side that is located the dead lever in the mounting groove is equipped with the third connecting rod, and the upper end cover of the first cover body is established on the third connecting rod, and the upper end of the second cover body stretches into the mounting groove and is located the front side of dead lever.
Adopt above-mentioned still further setting, simple structure, simple to operate, the components of a whole that can function independently setting of first cover body and second cover body to through screw connection, the internal structure's of being convenient for installation.
Still further, the present utility model is provided with: the backrest comprises two unit backrests which are arranged on the front side surface of the supporting seat and are arranged at intervals.
By adopting the arrangement, the back of the human body is more attached, the comfort is high, and the separated positions just correspond to the spinal column parts of the human body.
Still further, the present utility model is provided with: the mounting seat is provided with a second hinging rod, and the connecting frame is hinged to the second hinging rod.
Adopt above-mentioned still further setting for link stable in structure, better drive dustcoat motion.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;
FIG. 2 is a schematic diagram of an embodiment of the present utility model;
FIG. 3 is a schematic diagram of the connection of a link within an embodiment of the present utility model;
FIG. 4 is a schematic view of a back support seat according to an embodiment of the present utility model;
FIG. 5 is a schematic view showing the connection of elastic members according to an embodiment of the present utility model;
FIG. 6 is a schematic diagram of a gas spring and transmission assembly according to an embodiment of the present utility model;
FIG. 7 is a schematic view of a transmission assembly according to an embodiment of the present utility model;
fig. 8 is a schematic diagram of connection between a transmission assembly and a connecting rod according to an embodiment of the present utility model.
Detailed Description
The technical solutions of the present embodiment will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. 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 all directional indications (such as up, down, front, and rear … …) in the description of the present utility model are merely for explaining the relative positional relationship, movement, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. In the description of the present utility model, "a number" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to base the implementation on the basis of those skilled in the art, and when the technical solutions are contradictory or cannot be implemented, it should be considered that the combination of the technical solutions does not exist, and is not within the scope of protection claimed by the present utility model.
As shown in fig. 1-8, the chair with an adjustable chair back comprises a mounting seat 1, a push type switch 2, a gas spring switch 3, a gas spring 4, a connecting rod 5 and a backrest 6, wherein the push type switch 2 is connected with the gas spring switch 3 through a connecting rope 10, the gas spring switch 3 and the gas spring 4 are both arranged in the mounting seat 1, the upper end of the connecting rod 5 is provided with a backrest support seat 7, the backrest 6 is arranged on the backrest support seat 7, the backrest 6 comprises two unit backrests, the two unit backrests are arranged on the front side surface of the backrest support seat 7, the two unit backrests are arranged at intervals and are more fit with the back of a human body, the comfort is high, the spaced positions just correspond to the spinal column part of the human body, the lower end of the connecting rod 5 is matched with the gas spring 4, the backrest support seat 7 is provided with a fixed rod 71, the connecting rod 5 is sleeved on the fixed rod, the mounting hole 51 on the connecting rod 5 is larger than the diameter of the fixed rod 71, the connecting rod 5 is provided with a cross rod 52, the fixed rod 71 is provided with an elastic piece 8, one end of the elastic piece 8 is matched with the cross rod 52, the elastic piece is arranged by adopting a tension spring, and can also be spring, in the embodiment, the tension spring is specifically arranged, one end of the tension spring is hooked on the fixed rod, the other end of the tension spring is hooked on the cross rod, when a user presses the push switch 2, the air spring switch 3 is pulled under the action of the steel wire rope 10, the air spring 3 applies a pushing force to the bottom end of the connecting rod 5, so that the upper end of the connecting rod 5 moves towards the opposite direction, the backrest 6 has the function of front and back adjustment, the effect of back tracking is achieved, when the push switch 2 is released, the air spring switch 3 locks the air spring 4, and when the user leans backwards, the backrest supporting seat 7 can rotate relative to the connecting rod 5, the elastic piece 8 is compressed, the inclination of the backrest 6 is realized, the back of the user is attached to the back of the user, the backrest 6 can move along with the curved line of the back of the human body, the user can operate the device simply and conveniently, comfort is met, the user is given good experience, the user leaves the back of the backrest, and the device can automatically return under the action of the elastic piece.
The transmission assembly 9 is arranged between the connecting rod 5 and the gas spring 4, the transmission assembly 9 comprises two first connecting plates 91, two second connecting plates 92, a first connecting rod 93 and a second connecting rod 94, the two first connecting plates 91 are arranged on the outer sides of the two second connecting plates 92, the front ends of the two first connecting plates 91 are connected through the first connecting rods 93, the gas spring 4 is connected with the first connecting rods 93, the two second connecting plates 92 are connected through the second connecting rods 94, the front ends of the two second connecting plates 92 are hinged to the mounting seat 1, the connecting rod 5 is hinged to the second connecting rods 94, the rear ends of the two first connecting plates 91 and the two second connecting plates 92 are connected through the first hinging rods 95, so that the connecting rod 5 moves more stably, the back tracking effect is achieved better, the gas spring 4 pushes the first connecting rods 93 to move, the first connecting plates 91 and the second connecting plates 92 to move, and the connecting rod 5 arranged on the second connecting rods 94 to move.
The outer cover 20 and the connecting frame 30 are arranged on the periphery of the connecting rod 5, the upper end of the outer cover 20 is connected with the backrest support seat 7, the lower end of the outer cover 20 is covered outside the mounting seat 1, the connecting frame 30 is arranged in the outer cover 20 and is positioned outside the connecting rod 5, the upper end of the connecting frame 30 is connected with the outer cover 20, the lower end of the connecting frame 30 is hinged on the first connecting rod 93, the transmission assembly is more attractive, the outer cover 20 and the connecting frame 30 are not exposed, the transmission assembly synchronously moves, the connecting frame 30 is connected with the outer cover 20 through screws, the dismounting is convenient, the mounting seat 1 is provided with a second hinging rod 11, the connecting frame 30 is hinged on the second hinging rod 11, the connecting frame 30 is stable in structure and can drive the outer cover to move better, the outer cover 20 comprises a first cover body 201 and a second cover body 202 which are arranged in a split mode, the rear side wall of the backrest support seat 7 is provided with a mounting groove 72, the fixing rod 71 is arranged in the mounting groove 72, a third connecting rod is arranged at the rear side of the fixing rod 71 in the mounting groove 72, a fixing block 74 is integrally arranged on the rear side wall of the backrest support seat 7, the mounting groove 72 is arranged on the fixing block 74, a groove 741 is arranged on the side wall of the fixing block 74, the third connecting rod and the two ends of the fixing rod 71 are all extended into the groove 741, the cover plate 40 is arranged at the corresponding groove position and covers the groove 741 through screw installation, the groove 741 is not exposed, the appearance is more attractive, the cover plate 40 is connected with the inner side wall of the groove 741 through a buckle, the third connecting rod can be detachably connected through screw connection and the like, the installation of the first cover body 201 is facilitated, the upper end of the first cover body 201 is sleeved on the third connecting rod, the upper end of the second cover body 202 extends into the mounting groove 72 and is positioned at the front side of the fixing rod 71, the structure is simple, the installation is convenient, the first cover body 201 and the second cover body 202 are arranged in a split mode, and through the screw connection, the internal structure's installation of being convenient for.
Claims (6)
1. The utility model provides a back of chair adjustable seat, includes mount pad, push type switch, gas spring, connecting rod and back, push type switch passes through the connecting rope and is connected with gas spring switch, and gas spring switch and gas spring all set up in the mount pad, the connecting rod upper end is equipped with the back supporting seat, the back setting on the back supporting seat, connecting rod lower extreme and gas spring cooperation, a serial communication port, the back supporting seat on be equipped with the dead lever, the connecting rod cover establish on the dead lever, and the mounting hole on the connecting rod is greater than the diameter of dead lever, be equipped with the horizontal pole on the connecting rod, be equipped with the elastic component on the dead lever, elastic component one end and horizontal pole cooperation.
2. The chair with the adjustable chair back according to claim 1, wherein a transmission assembly is arranged between the connecting rod and the gas spring, the transmission assembly comprises two first connecting plates, two second connecting plates, a first connecting rod and a second connecting rod, the two first connecting plates are arranged on the outer sides of the two second connecting plates, the front ends of the two first connecting plates are connected through the first connecting rods, the gas spring is connected with the first connecting rods, the two second connecting plates are connected through the second connecting rods, the front ends of the two second connecting plates are hinged on the mounting seat, the connecting rods are hinged on the second connecting rods, and the rear ends of the two first connecting plates and the two second connecting plates are connected through first hinging rods.
3. The chair with adjustable back of chair of claim 2, further comprising an outer cover and a connecting frame, wherein the outer cover is arranged on the periphery of the connecting rod, the upper end of the outer cover is connected with the back support seat, the lower end of the outer cover is arranged outside the mounting seat, the connecting frame is arranged in the outer cover and positioned outside the connecting rod, the upper end of the connecting frame is connected with the outer cover, and the lower end of the connecting frame is hinged on the first connecting rod.
4. The chair with adjustable back of chair of claim 3, wherein the outer cover comprises a first cover body and a second cover body which are arranged in a split mode, a mounting groove is formed in the rear side wall of the back support seat, the fixing rod is arranged in the mounting groove, a third connecting rod is arranged on the rear side of the fixing rod in the mounting groove, the upper end of the first cover body is sleeved on the third connecting rod, and the upper end of the second cover body stretches into the mounting groove and is located on the front side of the fixing rod.
5. The seat of claim 1, 2, 3 or 4, wherein the backrest comprises a two-unit backrest disposed on a front side of the support base, and the two-unit backrest is disposed in a spaced apart relationship.
6. The chair with adjustable back according to claim 3, wherein the mounting seat is provided with a second hinge rod, and the connecting frame is hinged on the second hinge rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322487973.XU CN220675603U (en) | 2023-09-12 | 2023-09-12 | Chair with adjustable chair back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322487973.XU CN220675603U (en) | 2023-09-12 | 2023-09-12 | Chair with adjustable chair back |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220675603U true CN220675603U (en) | 2024-03-29 |
Family
ID=90378135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322487973.XU Active CN220675603U (en) | 2023-09-12 | 2023-09-12 | Chair with adjustable chair back |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220675603U (en) |
-
2023
- 2023-09-12 CN CN202322487973.XU patent/CN220675603U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |