CN207754884U - A kind of chair that backrest is moved with human waist and back - Google Patents
A kind of chair that backrest is moved with human waist and back Download PDFInfo
- Publication number
- CN207754884U CN207754884U CN201720535631.2U CN201720535631U CN207754884U CN 207754884 U CN207754884 U CN 207754884U CN 201720535631 U CN201720535631 U CN 201720535631U CN 207754884 U CN207754884 U CN 207754884U
- Authority
- CN
- China
- Prior art keywords
- backrest
- chair
- torque spring
- moved
- human waist
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Chairs Characterized By Structure (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model discloses the chairs that a kind of backrest is moved with human waist and back：Including Foot of chair component, seat cushion, backrest and armrest assembly, the supporting rod periphery of armrest assembly is equipped with torque spring, the periphery of torque spring is equipped with revoling tube, revoling tube is equipped with rocking arm; the front end of rocking arm is flexibly connected equipped with pin with the rear portion of backrest; one end of torque spring is connect with supporting rod, and the other end of torque spring is connect with revoling tube.Advantageous effect is：When the human body of user moves forward and backward, backrest can be close to human waist and back and make synchronizing moving.The pressure of the muscle and the born human body top weight of vertebrae of human waist and back is reduced, reduces lumbar muscle strain and vertebrae lesion so that people possess strong physique, preferably put into study, life, work.
Description
Technical field
The utility model is related to a kind of chairs, specifically, being a kind of chair that backrest is moved with human waist and back.
Background technology
Chair obtains the universal approval of people and likes as people's work, widely used seat tool of living.Chair is by chair
Sub- foot component, seat cushion, backrest and armrest assembly composition.Chair in the prior art, backrest are fixed with seat cushion for relative position
Structure.
It is disadvantageous in that：Since backrest and seat cushion are the fixed structure feature of relative position, so as the people of user
When body moves forward, the small of the back of human body will be detached from backrest.After the small of the back of human body is detached from backrest, human waist and back
Muscle and vertebrae will bear the pressure of human body top weight, and lumbar muscle strain and vertebrae lesion can if things go on like this occur, give
People bring study, life, the inconvenience in work.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide what a kind of backrest was moved with human waist and back
Chair.When the human body of user moves forward and backward, backrest can be close to human waist and back and make synchronizing moving.Reduce human body back
The pressure of the born human body top weight of muscle and vertebrae in portion reduces lumbar muscle strain and vertebrae lesion so that Ren Menyong
There is strong physique, preferably puts into study, life, work.
The technical solution for the chair that the utility model backrest is moved with human waist and back：Including Foot of chair component, seat cushion, lean on
The supporting rod periphery of the back of the body and armrest assembly, the armrest assembly is equipped with torque spring, and the periphery of the torque spring is equipped with rotation
Casing, the revoling tube are equipped with rocking arm, and the front end of the rocking arm is flexibly connected equipped with pin with the rear portion of backrest, the torsion
One end of power spring is connect with supporting rod, and the other end of the torque spring is connect with revoling tube.
The lower part of the revoling tube is connect equipped with plane bearing with the platform that supporting rod is equipped with, the top of the supporting rod
It is connect with revoling tube equipped with ball bearing.
One end of the torque spring is connect with supporting rod, is the elongated slot that one end of the torque spring is embedded in supporting rod
It is interior.
The other end of the torque spring is connect with revoling tube, is by the other end embedded rotating set of the torque spring
In the card slot of pipe.
The upper end of the supporting rod is connect equipped with bolt with handrail.
The upper end of the revoling tube is equipped with end cap.
The backrest is two pieces of shape structures of separation.
The backrest is whole body structure.
The rear portion of the backrest is equipped with sliding slot, and the pin is actively embedded in the sliding slot at backrest rear portion.
The advantageous effect for the chair that the utility model backrest is moved with human waist and back is：Before and after the human body of user is made
When mobile, backrest can be close to human waist and back and make synchronizing moving.The muscle and vertebrae for reducing human waist and back are born
The pressure of human upper's weight reduces lumbar muscle strain and vertebrae lesion so that people possess strong physique, preferably put into
Into study, life, work.
Description of the drawings
Fig. 1 is the front view for the chair first embodiment that the utility model backrest is moved with human waist and back；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the vertical view of Fig. 1；
Fig. 4 is the enlarged drawing at I in Fig. 1；
Fig. 5 is the enlarged drawing at II in Fig. 3；
Fig. 6 is in Fig. 4 along the enlarged drawing of the sections A-A；
Fig. 7 is the front view for the chair second embodiment that the utility model backrest is moved with human waist and back；
Fig. 8 is the left view of Fig. 1；
Fig. 9 is the vertical view of Fig. 1；
Figure 10 is the enlarged drawing at III in Fig. 7；
Figure 11 is the enlarged drawing at IV in Fig. 9；
Figure 12 is in Figure 10 along the enlarged drawing of the sections B-B.
Specific implementation mode
Below in conjunction with the accompanying drawings, the utility model backrest is further described with the chair that human waist and back moves.
First embodiment：
The chair that Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, backrest shown in fig. 6 are moved with human waist and back, including Foot of chair group
6 periphery of supporting rod of part 1, seat cushion 2, backrest 3 and armrest assembly 4, the armrest assembly 4 is equipped with torque spring 10, the torsion
The periphery of spring 10 is equipped with revoling tube 5, and the revoling tube 5 is equipped with rocking arm 7, and the front end of the rocking arm 7 is equipped with pin 14
Be flexibly connected with the rear portion of backrest 3, one end of the torque spring 10 is connect with supporting rod 6, the torque spring 10 it is another
End is connect with revoling tube 5.
The lower part of the revoling tube 5 is connect equipped with plane bearing 11 with the platform 13 that supporting rod 6 is equipped with, the supporting rod
6 top is connect equipped with ball bearing 12 with revoling tube 5.
One end of the torque spring 10 is connect with supporting rod 6, is that one end of the torque spring 10 is embedded in supporting rod 6
Elongated slot 9 in.
The other end of the torque spring 10 is connect with revoling tube 5, is to be embedded in the other end of the torque spring 10
In the card slot 8 of revoling tube 5.
The upper end of the supporting rod 6 is connect equipped with bolt 16 with handrail 18.
The upper end of the revoling tube 5 is equipped with end cap 15.
The backrest 3 is two pieces of shape structures of separation.
The plane bearing 11, ball bearing 12 can either copper sheathing or cast iron sleeve substitute with powder metallurgy sleeve.
Make the chair that the utility model backrest is moved with human waist and back：Backrest 3 is arranged in 2 front and back position of seat cushion
Middle and back, torque spring 10 at this time are in twisting resistance release conditions, backrest 3 in the raw.
In the chair moved with human waist and back using the utility model backrest, since backrest 3 is arranged before and after seat cushion 2
The middle and back of position, so when using starting, human waist and back must drive backrest 3 to move backward after touching backrest 3, lean on
Drive rocking arm 7, revoling tube 5 so that the compression of torque spring 10 forms twisting resistance while the back of the body 3 moves backward, backrest can be close to
Human waist and back；When human body moves forward, torque spring 10 discharges twisting resistance, drives revoling tube 5, rocking arm 7 so that backrest 3
It moves forward, backrest 3 can still be close to human waist and back.To reduce muscle and the vertebrae institute grantee of human waist and back
The pressure of body top weight reduces lumbar muscle strain and vertebrae lesion so that people possess strong physique, preferably put into
In study, life, work.
Second embodiment：
The chair that backrest shown in Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12 is moved with human waist and back, including Foot of chair
6 periphery of supporting rod of component 1, seat cushion 2, backrest 3 and armrest assembly 4, the armrest assembly 4 is equipped with torque spring 10, the torsion
The periphery of power spring 10 is equipped with revoling tube 5, and the revoling tube 5 is equipped with rocking arm 7, and the front end of the rocking arm 7 is equipped with pin
14 are flexibly connected with the rear portion of backrest 3, and one end of the torque spring 10 is connect with supporting rod 6, the torque spring 10 it is another
One end is connect with revoling tube 5.
The lower part of the revoling tube 5 is connect equipped with plane bearing 11 with the platform 13 that supporting rod 6 is equipped with, the supporting rod
6 top is connect equipped with ball bearing 12 with revoling tube 5.
One end of the torque spring 10 is connect with supporting rod 6, is that one end of the torque spring 10 is embedded in supporting rod 6
Elongated slot 9 in.
The other end of the torque spring 10 is connect with revoling tube 5, is to be embedded in the other end of the torque spring 10
In the card slot 8 of revoling tube 5.
The upper end of the supporting rod 6 is connect equipped with bolt 16 with handrail 18.
The upper end of the revoling tube 5 is equipped with end cap 15.
The backrest 3 is whole body structure.
The rear portion of the backrest 3 is equipped with sliding slot 11, and the pin 14 is actively embedded in the sliding slot 17 at 3 rear portion of backrest.
The plane bearing 11, ball bearing 12 can either copper sheathing or cast iron sleeve substitute with powder metallurgy sleeve.
Make the chair that the utility model backrest is moved with human waist and back：Backrest 3 is arranged in 2 front and back position of seat cushion
Middle and back, torque spring 10 at this time are in twisting resistance release conditions, backrest 3 in the raw.
In the chair moved with human waist and back using the utility model backrest, since backrest 3 is arranged before and after seat cushion 2
The middle and back of position, so when using starting, human waist and back must drive backrest 3 to move backward after touching backrest 3, lean on
Drive rocking arm 7, revoling tube 5 so that the compression of torque spring 10 forms twisting resistance while the back of the body 3 moves backward, backrest can be close to
Human waist and back；When human body moves forward, torque spring 10 discharges twisting resistance, drives revoling tube 5, rocking arm 7 so that backrest 3
It moves forward, backrest 3 can still be close to human waist and back.To reduce muscle and the vertebrae institute grantee of human waist and back
The pressure of body top weight reduces lumbar muscle strain and vertebrae lesion so that people possess strong physique, preferably put into
In study, life, work.
Claims (9)
1. the chair that backrest is moved with human waist and back, including Foot of chair component (1), seat cushion (2), backrest (3) and armrest assembly
(4), it is characterised in that：Supporting rod (6) periphery of the armrest assembly (4) is equipped with torque spring (10), the torque spring
(10) periphery is equipped with revoling tube (5), and the revoling tube (5) is equipped with rocking arm (7), and the front end of the rocking arm (7) is equipped with
Pin (14) is flexibly connected with the rear portion of backrest (3), and one end of the torque spring (10) is connect with supporting rod (6), the torsion
The other end of power spring (10) is connect with revoling tube (5).
2. the chair that backrest according to claim 1 is moved with human waist and back, it is characterised in that：The revoling tube
(5) lower part is connect equipped with plane bearing (11) with the platform (13) that supporting rod (6) is equipped with, and the top of the supporting rod (6) is set
There is ball bearing (12) to be connect with revoling tube (5).
3. the chair that backrest according to claim 1 is moved with human waist and back, it is characterised in that：The torque spring
(10) one end is connect with supporting rod (6), and being will be in the elongated slot (9) of one end insertion supporting rod (6) of the torque spring (10).
4. the chair that backrest according to claim 1 is moved with human waist and back, it is characterised in that：The torque spring
(10) the other end is connect with revoling tube (5), is by the card of the other end embedded rotating casing (5) of the torque spring (10)
In slot (8).
5. the chair that backrest according to claim 1 is moved with human waist and back, it is characterised in that：The supporting rod (6)
Upper end connect with handrail (18) equipped with bolt (16).
6. the chair that backrest according to claim 1 or 2 or 4 is moved with human waist and back, it is characterised in that：The rotation
The upper end of casing (5) is equipped with end cap (15).
7. the chair that backrest according to claim 1 is moved with human waist and back, it is characterised in that：The backrest (3) is
Two pieces of shape structures of separation.
8. the chair that backrest according to claim 1 is moved with human waist and back, it is characterised in that：The backrest (3) is
Whole body structure.
9. the chair that backrest according to claim 8 is moved with human waist and back, it is characterised in that：The backrest (3)
Rear portion is equipped with sliding slot (17), and the pin (14) is actively embedded in the sliding slot (17) at backrest (3) rear portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720535631.2U CN207754884U (en) | 2017-05-10 | 2017-05-10 | A kind of chair that backrest is moved with human waist and back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720535631.2U CN207754884U (en) | 2017-05-10 | 2017-05-10 | A kind of chair that backrest is moved with human waist and back |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207754884U true CN207754884U (en) | 2018-08-24 |
Family
ID=63179183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720535631.2U Expired - Fee Related CN207754884U (en) | 2017-05-10 | 2017-05-10 | A kind of chair that backrest is moved with human waist and back |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207754884U (en) |
-
2017
- 2017-05-10 CN CN201720535631.2U patent/CN207754884U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180824 Termination date: 20200510 |