CN213075112U - Swinging armrest device linked with backrest - Google Patents
Swinging armrest device linked with backrest Download PDFInfo
- Publication number
- CN213075112U CN213075112U CN202021417417.5U CN202021417417U CN213075112U CN 213075112 U CN213075112 U CN 213075112U CN 202021417417 U CN202021417417 U CN 202021417417U CN 213075112 U CN213075112 U CN 213075112U
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- handrail
- groove
- armrest
- backrest
- hole
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Abstract
The utility model relates to a swinging armrest device linked with a backrest, wherein the rear part of a lower armrest is connected with the lower end of the side part of the backrest through a rotating shaft; the rear end of the upper handrail is connected with the middle end of the side part of the backrest through a linkage shaft; a limiting mechanism is arranged between the upper handrail and the lower handrail, the handrail can be driven to swing backwards when the backrest is pushed backwards, and an extension spring for assisting the automatic rebound of the backrest is arranged between the upper handrail and the lower handrail; the front end of the upper handrail is pulled upwards by a hand, the iron shaft in the lower handrail slides into the long through groove of the stop groove, at the moment, the upper handrail can freely slide back and forth in the stop groove, when the upper handrail slides to a required gear, the hand releases the front end of the handrail, the upper handrail sinks, and the iron shaft can slide into the limit clamping groove for limiting; the limiting column slides in the limiting sliding groove, so that the upper handrail is prevented from shaking left and right when being pulled upwards; when the backrest needs to return forwards, the front end of the upper armrest is pulled upwards, and the extension spring in the extension state has a contraction force to assist the upper armrest to slide forwards, so that the backrest returns.
Description
Technical Field
The utility model relates to a seat technical field, more specifically the swing armrest apparatus who relates to a link along with the back that says so.
Background
The backrest and the armrests of the existing chair are generally connected to the chair surface, even if the backrest can be pushed backwards to achieve the lying degree, the armrests are generally fixed, the armrests cannot rotate together with the backrest, so that a lot of inconvenience is brought to the use of the chair, and the comfort degree of the chair is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at prior art's weak point, provide a swing armrest apparatus along with back linkage, the back drives the handrail and swings backward and reach the purpose that can lie under the circumstances of pushing away backward, and the inside effect that is equipped with the spacing adjustable back of many shelves back angle of handrail simultaneously goes up the inside extension spring that is equipped with of handrail and assists the back automatic rebound.
The technical solution of the utility model is as follows:
a swing armrest device linked with a backrest comprises a lower armrest and an upper armrest, wherein the rear part of the lower armrest is connected with the bottom end of the side part of the backrest through a rotating shaft; the rear end of the upper armrest is connected with the middle end of the side part of the backrest through a linkage shaft; a multi-gear limiting mechanism capable of limiting and adjusting the backward bending angle of the backrest is arranged between the upper armrest and the lower armrest, the armrest can be driven to swing backwards under the condition that the backrest is pushed backwards, and an extension spring assisting the automatic rebound of the backrest is arranged between the upper armrest and the lower armrest; the left side of the bottom of the upper handrail is provided with a slotted hole a, the right side of the bottom of the upper handrail is provided with a square slotted hole b, and a connecting section is formed between the slotted hole a and the square slotted hole b.
Stop gear includes the shaping and keeps off the position groove in square slot b, the spacing spout that is linked together with square slot b, sets up boss a on the handrail down, install the iron axle on boss a, set up on boss a and be located the boss b at iron axle rear and set up on boss a and be located the spacing post in iron axle the place ahead, keep off the position groove and communicate the spacing draw-in groove more than three groups that set up side by long logical groove and with long logical groove and constitute, after last handrail and lower handrail installation were accomplished, boss a is located square slotted hole b, iron axle on the handrail down and the cooperation overlap joint of the position groove that keeps off of last handrail, and the spacing post of handrail can insert in the spacing spout of handrail down.
Preferably, the rear part of the lower handrail is provided with a rotating shaft hole; and the rear end of the upper handrail is provided with a linkage shaft hole.
Preferably, the upper handrail is provided with a base plate on the upper part thereof, the base plate is provided with a front embedded nut, the base plate is provided with a rear embedded claw nail, the front part of the upper handrail is provided with a through hole at a position corresponding to the embedded nut, the upper handrail can be locked on the embedded nut on the base plate from the lower end of the upper handrail through a screw, the rear embedded bolt of the upper handrail corresponds to the position of the claw nail on the base plate, and the claw nail can be buckled on the embedded bolt.
Preferably, the upper part of the upper handrail is provided with a penetrating groove communicated with both the groove hole a and the square groove hole b, the extension spring extends into the groove hole a from the penetrating groove on the upper part of the upper handrail, one end of the extension spring is fixed in the groove hole a of the upper handrail through a tapping screw a, the extension spring is positioned in the penetrating groove, and the other end of the extension spring is fixed on the boss b of the lower handrail through a tapping screw b.
Preferably, a blank cap is locked and fixed on the slotted hole a, two groups of positioning bosses are formed in the slotted hole a, screw holes are formed in the positioning bosses, an insertion block is arranged at the front end of the blank cap, a groove matched with the insertion block is formed in the rear side of the connecting section, the insertion block can be inserted into the groove, the blank cap covers the slotted hole a, and the blank cap can be locked on the positioning bosses through locking screws.
Preferably, the lower handle is provided with a slot hole c capable of reducing the weight thereof.
Preferably, the limiting column is of a cylindrical structure and can slide along the limiting sliding groove.
Preferably, the shaft end of the iron shaft can freely slide back and forth in the long through groove, and the shaft end of the iron shaft can be clamped into the limiting clamping groove for limiting.
The beneficial effects of the utility model reside in that:
the rear part of the lower handrail of the utility model is connected with the bottom end of the side part of the backrest through a rotating shaft; the rear end of the upper handrail is connected with the middle end of the side part of the backrest through a linkage shaft; a limiting mechanism is arranged between the upper handrail and the lower handrail, the handrail can be driven to swing backwards under the condition that the backrest is pushed backwards, and an extension spring for assisting the automatic rebound of the backrest is arranged between the upper handrail and the lower handrail; the front end of the upper handrail is pulled upwards by a hand, the iron shaft in the lower handrail slides into the long through groove of the stop groove, at the moment, the upper handrail can freely slide back and forth in the stop groove, when the upper handrail slides to a required gear, the hand releases the front end of the handrail, the upper handrail sinks, and the iron shaft can slide into the limit clamping groove for limiting; the limiting column slides in the limiting sliding groove, so that the upper handrail is prevented from shaking left and right when being pulled upwards; when the backrest needs to return forwards, the front end of the upper armrest is pulled upwards, and the extension spring in the extension state has a contraction force to assist the upper armrest to slide forwards, so that the backrest returns. The utility model discloses the back drives the handrail and swings backward reaching the purpose that can lie under the condition that pushes back, is equipped with the effect of the spacing adjustable back angle of many shelves simultaneously, and the back can kick-back automatically simultaneously, and the person of facilitating the use passes through the angle that the back was adjusted to the handrail, its simple structure, convenient to use.
Drawings
The invention will be further explained with reference to the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a schematic view of the upper armrest and the blank cap;
FIG. 6 is a schematic view of the upper armrest;
FIG. 7 is a second schematic structural view of the upper armrest;
FIG. 8 is an interior cross-sectional view of the upper armrest;
FIG. 9 is a schematic view of the lower armrest;
in FIGS. 1 to 9: 1-lower armrest; 2, upper handrail; 3-rotating the shaft hole; 4-linkage shaft hole; 5-a substrate; 6, claw nails; 7-pan head screw; 8, a bolt; 9-slotted hole a; 10-square slot b; 11-a connecting section; 12-a stop groove; 1201-long through groove; 1202-limiting clamping groove; 13-a limiting chute; 14-boss a; 15-iron shaft; 1501-shaft end of iron shaft; 16-boss b; 17-a limiting column; 18-penetrating groove; 19-self-tapping screw a; 20-self-tapping screw b; 21-covering the blank with a cover; 2101-insert block; 22-positioning a boss; 23-locking screw; 24-slotted hole c; 25-extension spring.
Detailed Description
In the embodiment, referring to fig. 1-9, a swinging armrest device linked with a backrest comprises a lower armrest 1 and an upper armrest 2, wherein a rotating shaft hole 3 is arranged at the rear part of the lower armrest; and the rear end of the upper handrail is provided with a linkage shaft hole 4. The rear part of the lower armrest is connected with the bottom end of the backrest through a rotating shaft; the rear ends of the upper armrests are connected with the side parts of the backrest through a linkage shaft.
The upper handrail is characterized in that a base plate 5 is installed on the upper portion of the upper handrail, a front embedded nut of the base plate and a rear embedded claw nail 6 of the base plate are arranged on the front portion of the upper handrail, a through hole is formed in the position, corresponding to the embedded nut, of the front portion of the upper handrail, the upper handrail can be locked to the embedded nut on the base plate from the lower end of the upper handrail through a pan head screw 7, the position, corresponding to the position, of the claw nail, of a rear embedded bolt 8 of the upper handrail is corresponding to the position.
A multi-gear limiting mechanism capable of limiting and adjusting the backward bending angle of the backrest is arranged between the upper armrest and the lower armrest, the armrest can be driven to swing backwards under the condition that the backrest is pushed backwards, and an extension spring 25 assisting the automatic rebound of the backrest is arranged between the upper armrest and the lower armrest; the left side of the bottom of the upper handrail is provided with a slotted hole a9, the right side of the bottom of the upper handrail is provided with a square slotted hole b10, and a connecting section 11 is formed between the slotted hole a and the square slotted hole b.
Stop gear is including the shaping in square slotted hole b keep off position groove 12, the spacing spout 13 that is linked together with square slotted hole b, set up boss a14 on handrail down, install iron axle 15 on boss a, set up on boss a and be located the boss b16 of iron axle rear and set up on boss a and be located the spacing post 17 in iron axle the place ahead, keep off the position groove and communicate the more than three spacing draw-in groove 1202 of group that sets up side by long logical groove 1201 and with long logical groove and constitute, this embodiment is provided with four groups of spacing draw-in grooves 1202, after last handrail and handrail installation are accomplished down, boss a is located square slotted hole b, iron axle on the lower handrail and the cooperation overlap joint of the position groove of last handrail, the spacing post of handrail can insert in the spacing spout of handrail down.
The upper portion of the upper handrail is provided with a penetrating groove 18 communicated with the groove hole a and the square groove hole b, an extension spring extends into the groove hole a from the penetrating groove on the upper portion of the upper handrail, one end of the extension spring is fixed in the groove hole a of the upper handrail through a tapping screw a19, the extension spring is located in the penetrating groove, and the other end of the extension spring is fixed on a boss b of the lower handrail through a tapping screw b 20. When the extension spring is installed, one end of the extension spring is fixed into the upper handrail by a tapping screw a from the lower end, and the other end of the extension spring is fixed onto a boss b of the lower handrail from the upper end of the upper handrail by a tapping screw b.
A blank cap 21 is locked and fixed on the slotted hole a, two groups of positioning bosses 22 are formed in the slotted hole a, screw holes are formed in the positioning bosses, an inserting block 2101 is arranged at the front end of the blank cap, a groove matched with the inserting block is formed in the rear side of the connecting section, the inserting block can be inserted into the groove, the blank cap covers the slotted hole a, and the blank cap can be locked on the positioning bosses through locking screws 23.
The lower handrail is provided with a slotted hole c24 capable of reducing the weight of the lower handrail, so that the lower handrail is lighter and more convenient to move under the condition of not influencing the strength.
Spacing post is the cylinder structure, and spacing post can slide along spacing spout, rocks about appearing when preventing to go up handrail upwards to pull up.
The utility model discloses the theory of operation: the front end of the upper handrail is pulled upwards by a hand, the iron shaft of the lower handrail slides into the long through groove of the stop groove, at the moment, the upper handrail can freely slide back and forth in the stop groove, the limiting column also slides in the limiting sliding groove, when the upper handrail slides to a required stop, the hand releases the front end of the handrail, the gravity of the upper handrail enables the upper handrail to sink, and the iron shaft can slide into the limiting clamping groove of the stop groove again; the limiting column also slides in the limiting sliding groove, so that the upper handrail is prevented from shaking left and right when being pulled upwards; when the backrest needs to return forwards, the front end of the upper handrail is pulled upwards, the extension spring in the upper handrail is in an extension state, and the extension spring has a contraction force to assist the upper handrail to slide forwards, so that the backrest is driven to return.
The above embodiments are specific descriptions of the present invention, and are only further descriptions of the present invention, which should not be construed as limitations of the protection scope of the present invention, and some non-essential modifications and adjustments made by those skilled in the art according to the above embodiments are all within the protection scope of the present invention.
Claims (7)
1. The utility model provides a swing armrest apparatus along with back linkage, includes handrail and last handrail down, its characterized in that: the rear part of the lower armrest is connected with the bottom end of the side part of the backrest through a rotating shaft; the rear end of the upper armrest is connected with the middle end of the side part of the backrest through a linkage shaft; a multi-gear limiting mechanism capable of limiting and adjusting the backward bending angle of the backrest is arranged between the upper armrest and the lower armrest, the armrest can be driven to swing backwards under the condition that the backrest is pushed backwards, and an extension spring assisting the automatic rebound of the backrest is arranged between the upper armrest and the lower armrest; the left side of the bottom of the upper handrail is provided with a slotted hole a, the right side of the bottom of the upper handrail is provided with a square slotted hole b, and a connecting section is formed between the slotted hole a and the square slotted hole b;
stop gear includes the shaping and keeps off the position groove in square slot b, the spacing spout that is linked together with square slot b, sets up boss a on the handrail down, install the iron axle on boss a, set up on boss a and be located the boss b at iron axle rear and set up on boss a and be located the spacing post in iron axle the place ahead, keep off the position groove and communicate the spacing draw-in groove more than three groups that set up side by long logical groove and with long logical groove and constitute, after last handrail and lower handrail installation were accomplished, boss a is located square slotted hole b, iron axle on the handrail down and the cooperation overlap joint of the position groove that keeps off of last handrail, and the spacing post of handrail can insert in the spacing spout of handrail down.
2. The device of claim 1, wherein the armrest further comprises: the rear part of the lower handrail is provided with a rotating shaft hole; and the rear end of the upper handrail is provided with a linkage shaft hole.
3. The device of claim 1, wherein the armrest further comprises: the upper handrail is characterized in that a base plate is arranged on the upper portion of the upper handrail, a front embedded nut of the base plate and a rear embedded claw nail of the base plate are arranged in advance, a through hole is formed in the position, corresponding to the embedded nut, of the front portion of the upper handrail, the upper handrail can be locked to the embedded nut on the base plate from the lower end of the upper handrail through a screw, the position, corresponding to the position, of the claw nail on the base plate, of the rear embedded bolt of the upper handrail is corresponding to the position, corresponding to.
4. The device of claim 1, wherein the armrest further comprises: the upper handrail is provided with a through groove communicated with the groove hole a and the square groove hole b, the extension spring extends into the groove hole a from the through groove on the upper handrail, one end of the extension spring is fixed in the groove hole a of the upper handrail through a tapping screw a, the extension spring is positioned in the through groove, and the other end of the extension spring is fixed on the boss b of the lower handrail through the tapping screw b.
5. The device of claim 4, wherein the armrest further comprises: the blind cover is fixedly arranged on the locking of the slotted hole a, two groups of positioning bosses are formed in the slotted hole a, screw holes are formed in the positioning bosses, an insert block is arranged at the front end of the blind cover, a groove matched with the insert block is formed in the rear side of the connecting section, the insert block can be inserted into the groove, the blind cover covers the slotted hole a, and the blind cover can be locked on the positioning bosses through locking screws.
6. The device of claim 1, wherein the armrest further comprises: the lower handrail is provided with a slotted hole c which can reduce the weight of the lower handrail.
7. The device of claim 1, wherein the armrest further comprises: the limiting column is of a cylindrical structure and can slide along the limiting sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021417417.5U CN213075112U (en) | 2020-07-17 | 2020-07-17 | Swinging armrest device linked with backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021417417.5U CN213075112U (en) | 2020-07-17 | 2020-07-17 | Swinging armrest device linked with backrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213075112U true CN213075112U (en) | 2021-04-30 |
Family
ID=75624997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021417417.5U Active CN213075112U (en) | 2020-07-17 | 2020-07-17 | Swinging armrest device linked with backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213075112U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024007493A1 (en) * | 2022-07-04 | 2024-01-11 | 广东佳居家具有限公司 | Leisure chair and linkage armrests |
-
2020
- 2020-07-17 CN CN202021417417.5U patent/CN213075112U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024007493A1 (en) * | 2022-07-04 | 2024-01-11 | 广东佳居家具有限公司 | Leisure chair and linkage armrests |
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