CN211408266U - Elastic easily-adjustable seat - Google Patents
Elastic easily-adjustable seat Download PDFInfo
- Publication number
- CN211408266U CN211408266U CN201721109019.5U CN201721109019U CN211408266U CN 211408266 U CN211408266 U CN 211408266U CN 201721109019 U CN201721109019 U CN 201721109019U CN 211408266 U CN211408266 U CN 211408266U
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- China
- Prior art keywords
- plate
- chair
- upper movable
- seat
- fixedly connected
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- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
An elastic easily-adjustable chair comprises supporting legs, a chair seat and a chair back, wherein a supporting spring assembly is arranged between the upper ends of the supporting legs and the chair seat; the supporting spring assembly comprises a lower fixed plate, an upper movable plate, an internal thread sleeve, a screw and a compression spring; the lower surface of the chair seat is in contact with the upper movable plate and is fixedly connected with the upper movable plate through a countersunk head bolt, and the bottom of the chair seat is provided with a groove for accommodating the annular plate and the connecting bolt. The utility model relates to a rationally, simple structure, each component is easily dismantled and is installed to can conveniently adjust compression spring's elasticity and adjust the height of headrest, be fit for different people's needs and use.
Description
Technical Field
The utility model relates to a seat, concretely relates to elasticity easily adjustable seat.
Background
Along with the improvement of living standard, people's demand for the seat is constantly diversified, and the kind of seat is also more and more diversified. The existing elastic chair is usually provided with sponge or spring in the chair seat to increase comfort, but the comfort is still very limited, and the whole elasticity of the chair seat can not be adjusted, so that the requirements of different people and different time periods can not be met. In addition, the existing seats generally have few headrests and cannot meet the requirements of different people.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the weak point among the prior art, provide one kind can adjust, have the adjustable headrest of lift, improve the easy adjustable seat of elasticity of seat comfort level the elasticity of seat support.
In order to solve the technical problem, the utility model adopts the following technical scheme: an elastic easily-adjustable seat comprises supporting legs, a seat and a seat back, wherein four supporting legs are arranged in the vertical direction, the seat is horizontally arranged right above the supporting legs, the lower side edge of the seat back is fixedly connected with the rear side edge of the seat, a base plate is horizontally arranged at the lower ends of the supporting legs, and a supporting spring assembly is arranged between the upper ends of the four supporting legs and the seat;
the supporting spring assembly comprises four lower fixed plates, four upper movable plates, an internal thread sleeve, a screw rod and four compression springs, the four compression springs are vertically arranged along the vertical direction, the compression springs are vertically arranged along the four vertex positions of a square, the lower surfaces of the lower fixed plates are fixedly connected with the upper ends of four supporting legs, the lower fixed plates and the upper movable plates are horizontally arranged, the upper movable plates are positioned above the lower fixed plates, and the upper ends and the lower ends of the four compression springs are respectively and fixedly connected with the lower surfaces of the upper movable plates and the upper surfaces of the lower fixed;
the center parts of the lower fixed plate and the upper movable plate are respectively provided with a circular hole which corresponds up and down, an internal thread sleeve is arranged in the circular hole of the upper movable plate, the outer edge of the upper end of the internal thread sleeve is provided with an annular plate, the lower surface of the annular plate is contacted with the upper surface of the upper movable plate and is connected with the upper surface of the upper movable plate through a connecting bolt, the upper part of a screw rod is in threaded connection with the internal thread sleeve, the lower end of the screw rod penetrates through the circular hole on the lower fixed plate and then extends downwards to the lower part of the lower fixed plate, the upper part of the screw rod is in threaded;
the lower surface of the chair seat is in contact with the upper movable plate and is fixedly connected with the upper movable plate through a countersunk head bolt, and the bottom of the chair seat is provided with a groove for accommodating the annular plate and the connecting bolt.
The lower surface of the upper movable plate is fixedly connected with an upper positioning column located inside the compression spring, and the upper surface of the lower fixing plate is fixedly connected with a lower positioning column located inside the compression spring.
The screw rod is sleeved with a flexible elastic washer positioned between the fastening nut and the lower fixing plate.
The internal thread sleeve is connected with the screw rod through a bolt along the radial direction.
The chair seat is provided with a sponge cushion, and the lower part of the front side surface of the chair back is connected with a waist pillow through a sticky buckle.
The novel chair back is characterized in that a slot with an open top is formed in the chair back, a supporting plate is inserted in the slot, a headrest is fixedly connected to the upper end of the supporting plate, a positioning nut is fixedly connected to the rear side surface of the chair back, a positioning bolt is connected to the inner thread of the positioning nut, the front end of the positioning bolt penetrates through the chair back to stretch into the slot to be in top-pressing fit with the rear side surface of the supporting plate, and a hand.
By adopting the technical scheme, the four compression springs play a good elastic supporting role, and the screw rod plays a role in limiting the seat to move horizontally as far as possible and adjusting the elastic size of the compression springs. After people sit on the sponge cushion, the spring is compressed to enable the screw to vibrate up and down, and the flexible elastic washer plays a role in relieving larger impact force generated by the fastening nut and the lower fixing plate.
The base plate is contacted with the ground, and the effect of increasing the supporting area is achieved. When the elasticity of the compression spring needs to be adjusted, the back nut is loosened, the fastening nut is clamped by using a wrench, the fastening nut is screwed to enable the screw rod to move upwards or downwards, the screw rod drives the upper movable plate to move, so that the distance between the upper movable plate and the lower fixed plate is adjusted, the length of the compression spring is also adjusted, and the back nut is screwed after the proper adjustment is carried out.
When the headrest is required to be adjusted up and down, the hand wheel is held by a hand to unscrew the positioning bolt, the headrest is lifted upwards or pressed downwards, and the supporting plate is positioned by screwing the positioning bolt after moving up and down to a proper position in the slot.
The waist pillow is connected to the lower part of the chair back through the thread gluing belt, so that the height of the waist pillow can be adjusted, and the waist pillow is suitable for the requirements of people with different heights. The upper positioning column and the lower positioning column play a role in positioning the compression spring to be not horizontally offset.
When the fastening nut is screwed, the bolt plays a role in preventing the screw rod and the fastening nut from rotating together.
The chair seat is connected with the upper movable plate through the countersunk bolt, so that the disassembly and the assembly are convenient.
To sum up, the utility model relates to a rationally, simple structure, each component is easily dismantled and the installation to can conveniently adjust compression spring's elasticity and adjust the height of headrest, be fit for different people's needs and use.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
As shown in fig. 1, the utility model discloses an easily adjustable formula seat of elasticity, including landing leg 1, seat support 2 and the back of the chair 3, landing leg 1 is provided with four along the vertical direction, and 2 levels of seat support set up directly over landing leg 1, and fixed connection is followed to 3 downside border of the back of the chair and 2 back sides of seat support, and landing leg 1's lower extreme level is provided with backing plate 4, is provided with supporting spring subassembly between 1 upper end of four landing legs and the seat support 2.
The supporting spring assembly comprises four lower fixing plates 5, four upper movable plates 6, an internal thread sleeve 7, a screw 8 and four compression springs 9, the four compression springs 9 are vertically arranged along the vertical direction, the compression springs 9 are vertically arranged along the four vertex positions of a square, the lower surface of each lower fixing plate 5 is fixedly connected with the upper ends of the four support legs 1, the lower fixing plates 5 and the upper movable plates 6 are horizontally arranged, the upper movable plates 6 are positioned above the lower fixing plates 5, and the upper ends and the lower ends of the four compression springs 9 are respectively fixedly connected with the lower surfaces of the upper movable plates 6 and the upper surfaces of the lower fixing plates 5;
the center of the lower fixed plate 5 and the center of the upper movable plate 6 are both provided with vertically corresponding round holes, the internal thread sleeve 7 is installed in the round hole of the upper movable plate 6, the outer edge of the upper end of the internal thread sleeve 7 is provided with an annular plate 10, the lower surface of the annular plate 10 is contacted with the upper surface of the upper movable plate 6 and is connected with the upper surface of the upper movable plate through a connecting bolt 11, the upper part of the screw rod 8 is in threaded connection with the internal thread sleeve 7, the lower end of the screw rod 8 penetrates through the round hole in the lower fixed plate 5 and then extends downwards to the lower part of the lower fixed plate 5, the upper surface of the screw rod 8 is in threaded connection with a fastening nut 12 positioned below the;
the lower surface of the chair seat 2 is contacted with the upper movable plate 6 and is fixedly connected with the upper movable plate through a countersunk head bolt 14, and the bottom of the chair seat 2 is provided with a groove for accommodating the annular plate 10 and the connecting bolt 11.
The lower surface of the upper movable plate 6 is fixedly connected with an upper positioning column 15 positioned inside the compression spring 9, and the upper surface of the lower fixed plate 5 is fixedly connected with a lower positioning column 16 positioned inside the compression spring 9.
The screw 8 is sleeved with a flexible elastic washer 17 between the fastening nut 12 and the lower fixing plate 5.
The inner threaded sleeve 7 is connected with the screw 8 through a bolt 18 along the radial direction.
The chair seat 2 is provided with a sponge cushion 19, and the lower part of the front side surface of the chair back 3 is connected with a waist pillow 20 through a sticky buckle.
Be provided with open-top slot 21 in the back of the chair 3, the interpolation of slot 21 is equipped with backup pad 22, backup pad 22 upper end fixedly connected with headrest 23, 3 rear side surfaces of the back of the chair fixedly connected with set nut 24, set nut 24 internal thread connection has set bolt 25, set bolt 25 front end passes back of the chair 3 and stretches into in slot 21 with backup pad 22 trailing flank roof pressure cooperation, set nut 24 rear end fixedly connected with hand wheel 26.
In addition, a flexible shield 27 having a cylindrical shape is provided between the upper movable plate 6 and the lower fixed plate 5 to cover the screw 8 and the four compression springs, thereby providing a more aesthetic appearance.
The four compression springs 9 play a good elastic supporting role, and the screw 8 plays a role in limiting the seat 2 to move horizontally as far as possible and adjusting the elastic size of the compression springs 9. After people sit on the sponge cushion 19, the spring 9 is compressed to enable the screw 8 to vibrate up and down, and the flexible elastic washer 17 plays a role in relieving the large impact force generated by the fastening nut 12 and the lower fixing plate 5.
The base plate 4 is in contact with the ground, and plays a role in increasing the supporting area. When the elasticity of the compression spring 9 needs to be adjusted, the back nut 13 is loosened, the fastening nut 12 is clamped by using a wrench, the fastening nut 12 is screwed to enable the screw rod 8 to move upwards or downwards, the screw rod 8 drives the upper movable plate 6 to move, so that the distance between the upper movable plate 6 and the lower fixed plate 5 is adjusted, the length of the compression spring 9 is adjusted, and the back nut 13 is screwed after the proper adjustment.
When the headrest 23 needs to be adjusted up and down, the hand wheel 26 is held by hand to loosen the positioning bolt 25, the headrest 23 is lifted upwards or pressed downwards, the supporting plate 22 moves up and down to a proper position in the slot 21, and then the positioning bolt 25 is screwed down to position the supporting plate 22.
The waist pillow 20 is connected to the lower part of the chair back 3 through the thread gluing belt, so that the height of the waist pillow 20 can be adjusted, and the waist pillow is suitable for the requirements of people with different heights. Upper positioning post 15 and lower positioning post 16 function to position compression spring 9 from horizontal deflection.
The bolt 18 serves to prevent the screw 8 from rotating together with the fastening nut 12 when the fastening nut is being screwed.
The chair seat 2 is connected with the upper movable plate 6 through a countersunk bolt 14, so that the disassembly and the assembly are convenient.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.
Claims (5)
1. The utility model provides an easily adjustable formula seat of elasticity, includes the landing leg, the seat support and the back of the chair, and the landing leg is provided with four along the vertical direction, and the seat support level sets up directly over the landing leg, back of the chair downside border and seat support rear side edge fixed connection, and the lower extreme level of landing leg is provided with backing plate, its characterized in that: a supporting spring assembly is arranged between the upper ends of the four supporting legs and the chair seat;
the supporting spring assembly comprises four lower fixed plates, four upper movable plates, an internal thread sleeve, a screw rod and four compression springs, the four compression springs are vertically arranged along the vertical direction, the compression springs are vertically arranged along the four vertex positions of a square, the lower surfaces of the lower fixed plates are fixedly connected with the upper ends of four supporting legs, the lower fixed plates and the upper movable plates are horizontally arranged, the upper movable plates are positioned above the lower fixed plates, and the upper ends and the lower ends of the four compression springs are respectively and fixedly connected with the lower surfaces of the upper movable plates and the upper surfaces of the lower fixed;
the center parts of the lower fixed plate and the upper movable plate are respectively provided with a circular hole which corresponds up and down, an internal thread sleeve is arranged in the circular hole of the upper movable plate, the outer edge of the upper end of the internal thread sleeve is provided with an annular plate, the lower surface of the annular plate is contacted with the upper surface of the upper movable plate and is connected with the upper surface of the upper movable plate through a connecting bolt, the upper part of a screw rod is in threaded connection with the internal thread sleeve, the lower end of the screw rod penetrates through the circular hole on the lower fixed plate and then extends downwards to the lower part of the lower fixed plate, the upper part of the screw rod is in threaded;
the lower surface of the chair seat is contacted with the upper movable plate and is fixedly connected with the upper movable plate through a countersunk bolt, and the bottom of the chair seat is provided with a groove for accommodating the annular plate and the connecting bolt;
the novel chair back is characterized in that a slot with an open top is formed in the chair back, a supporting plate is inserted in the slot, a headrest is fixedly connected to the upper end of the supporting plate, a positioning nut is fixedly connected to the rear side surface of the chair back, a positioning bolt is connected to the inner thread of the positioning nut, the front end of the positioning bolt penetrates through the chair back to stretch into the slot to be in top-pressing fit with the rear side surface of the supporting plate, and a hand.
2. An easily adjustable chair according to claim 1, wherein: the lower surface of the upper movable plate is fixedly connected with an upper positioning column located inside the compression spring, and the upper surface of the lower fixing plate is fixedly connected with a lower positioning column located inside the compression spring.
3. An easily adjustable chair according to claim 1, wherein: the screw rod is sleeved with a flexible elastic washer positioned between the fastening nut and the lower fixing plate.
4. An easily adjustable chair according to claim 1, wherein: the internal thread sleeve is connected with the screw rod through a bolt along the radial direction.
5. An easily adjustable chair according to claim 1, wherein: the chair seat is provided with a sponge cushion, and the lower part of the front side surface of the chair back is connected with a waist pillow through a sticky buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721109019.5U CN211408266U (en) | 2017-08-31 | 2017-08-31 | Elastic easily-adjustable seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721109019.5U CN211408266U (en) | 2017-08-31 | 2017-08-31 | Elastic easily-adjustable seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211408266U true CN211408266U (en) | 2020-09-04 |
Family
ID=72282348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721109019.5U Expired - Fee Related CN211408266U (en) | 2017-08-31 | 2017-08-31 | Elastic easily-adjustable seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211408266U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112056848A (en) * | 2020-10-27 | 2020-12-11 | 金螳螂精装科技（苏州）有限公司 | Integral sofa with adjustable elasticity |
-
2017
- 2017-08-31 CN CN201721109019.5U patent/CN211408266U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112056848A (en) * | 2020-10-27 | 2020-12-11 | 金螳螂精装科技（苏州）有限公司 | Integral sofa with adjustable elasticity |
| CN112056848B (en) * | 2020-10-27 | 2024-05-28 | 金螳螂精装科技（苏州）有限公司 | Elasticity-adjustable integral sofa |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200904 Termination date: 20210831 |
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| CF01 | Termination of patent right due to non-payment of annual fee |