CN211795420U - Chair and front and back adjustable chair armrests thereof - Google Patents
Chair and front and back adjustable chair armrests thereof Download PDFInfo
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- CN211795420U CN211795420U CN202020136316.4U CN202020136316U CN211795420U CN 211795420 U CN211795420 U CN 211795420U CN 202020136316 U CN202020136316 U CN 202020136316U CN 211795420 U CN211795420 U CN 211795420U
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- sliding
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Abstract
The utility model discloses a chair and a front and back adjustable chair armrest, which comprises a fixed part and a sliding part connected with the fixed part in a sliding way, wherein the sliding part slides back and forth on the fixed part; the sliding component is provided with a front sliding groove and a rear sliding groove, the fixed component is provided with a front sliding rod penetrating through the front sliding groove, the fixed component is also provided with a locking rod penetrating through the top of the rear sliding groove, the locking rod is connected with a locking block and can move up and down, and a side groove wall of the rear sliding groove is provided with a plurality of locking grooves matched with the locking block; the fixed part comprises an upper mounting part for mounting the sliding part, and the lock rod penetrates through the upper mounting part downwards. The utility model discloses, the accessible front and back adjustment position satisfies various crowds' demand, and it is smooth and easy to have to slide, comprehensive advantages such as convenient operation.
Description
Technical Field
The utility model relates to a chair field, more specifically say and relate to a chair and adjustable chair handrail around it.
Background
Traditional chair, handrail rigidity is unchangeable, can't adjust during the use, and the scope that can supply to hand is limited, can't satisfy various crowds ' demand, consequently, prior art still remains to be improved and development.
SUMMERY OF THE UTILITY MODEL
To prior art's weak point, the utility model provides a front and back adjustable chair handrail, the accessible front and back adjustment position satisfies various crowds' demand, has to slide smoothly, and comprehensive advantages such as convenient operation.
A front-back adjustable chair armrest comprises a fixed component and a sliding component connected to the fixed component in a sliding mode, wherein the sliding component slides back and forth on the fixed component; the sliding component is provided with a front sliding groove and a rear sliding groove, the fixed component is provided with a front sliding rod penetrating through the front sliding groove, the fixed component is also provided with a locking rod penetrating through the top of the rear sliding groove, the locking rod is connected with a locking block and can move up and down, and a side groove wall of the rear sliding groove is provided with a plurality of locking grooves matched with the locking block; the fixed part comprises an upper mounting part for mounting the sliding part, and the lock rod penetrates through the upper mounting part downwards.
In the technical scheme, the sliding part is used for placing the hand of a user, the position can be adjusted through moving back and forth, the requirements of various people are met, and the locking rod penetrates out of the upper mounting part downwards, so that the locking rod is conveniently lifted up by pressing the locking rod upwards with fingers when the user sits on a chair, and the adjustment is convenient; the two sliding grooves which are distributed in the front and back are adopted, namely the front sliding groove and the back sliding groove, so that a reinforced part is arranged between the two sliding grooves, the integral structural strength of the sliding part is better, the service life can be properly prolonged, the front sliding rod is matched with the front sliding groove to play a role in guiding, the locking rod is matched with the back sliding groove to play a role in auxiliary guiding, the guiding effect is good, the sliding is smooth, and the adjustment is more convenient; connect the latch segment on the locking lever, the locked groove sets up in the side wall of back spout, withdraws from the locked groove back as the latch segment, promotes sliding part, and the latch segment slides on the spout of back, when the latch segment removed to next locked groove top position, the latch segment dropped to the locked groove automatically under self action of gravity for it is easier that the latch segment aims at the locked groove, and the user of further being convenient for adjusts the operation. When the locking block moves to the position above the next locking groove, the locking block automatically drops into the locking groove under the action of self gravity, and the sliding part is fixed.
Preferably, the top of the front sliding rod is provided with an upper limiting block for preventing the front sliding rod from slipping out of the front sliding groove, and the locking rod is provided with a lower limiting part which is positioned below the sliding part and used for preventing the locking rod from slipping out of the rear sliding groove upwards.
Preferably, the bottom of the lock rod is connected with a hand pressing part, and the upper mounting part is provided with a guide sleeve matched with the pressing part. The hand pressing part is arranged, so that the pressing operation of fingers is facilitated.
Preferably, the armrest further comprises a reset structure for resetting the slide member after the rearward movement. Through the reset structure, when the lock rod is lifted, the sliding component can be automatically reset, and the manipulation performance of the handrail and the experience of a user are further improved.
Preferably, the reset structure includes a first spring mounting post disposed on the fixing member, a second spring mounting post disposed on the sliding member, and a reset spring connected to the first spring mounting post and the second spring mounting post.
Preferably, the first spring mounting column is disposed at the top of the fixed member, the bottom of the sliding member is provided with a mounting groove facing the fixed member, and the second spring mounting column is disposed in the mounting groove. This setting can hide first spring erection post, second spring erection post and reset spring, and is safe and pleasing to the eye.
Preferably, the mounting groove is connected with a guide groove matched with the first spring mounting column. On one hand, the sliding efficiency of the sliding part is improved, on the other hand, the stress of the front sliding rod and the lock rod can be properly shared, and the service life of the handrail is ensured.
Preferably, the sliding member is further provided with a handrail cover plate. Spare parts such as preceding spout, back spout and the preceding slide bar that is arranged in the spout, locking lever are covered to the handrail apron, prevent that debris from dropping to preceding spout, back spout to under the prerequisite of guaranteeing to slide smooth and easy nature, can also guarantee certain aesthetic property, increase market competition.
The utility model also discloses a chair, including seat support, back and handrail, the handrail be as in above-mentioned technical scheme the handrail.
In the technical scheme, the sliding part is used for placing the hand of a user, the position can be adjusted through moving back and forth, the requirements of various people are met, and the locking rod penetrates out of the upper mounting part downwards, so that the locking rod is conveniently lifted up by pressing the locking rod upwards with fingers when the user sits on a chair, and the adjustment is convenient; the two sliding grooves which are distributed in the front and back are adopted, namely the front sliding groove and the back sliding groove, so that a reinforced part is arranged between the two sliding grooves, the integral structural strength of the sliding part is better, the service life can be properly prolonged, the front sliding rod is matched with the front sliding groove to play a role in guiding, the locking rod is matched with the back sliding groove to play a role in auxiliary guiding, the guiding effect is good, the sliding is smooth, and the adjustment is more convenient; connect the latch segment on the locking lever, the locked groove sets up in the side wall of back spout, withdraws from the locked groove back as the latch segment, promotes sliding part, and the latch segment slides on the spout of back, when the latch segment removed to next locked groove top position, the latch segment dropped to the locked groove automatically under self action of gravity for it is easier that the latch segment aims at the locked groove, and the user of further being convenient for adjusts the operation. When the locking block moves to the position above the next locking groove, the locking block automatically drops into the locking groove under the action of self gravity, and the sliding part is fixed.
To sum up, the utility model discloses following beneficial effect has:
the sliding part is used for placing the hand of a user, the position can be adjusted through moving back and forth, the requirements of various crowds are met, and the locking rod penetrates out of the upper mounting part downwards, so that the locking rod is conveniently lifted up by a user in a mode of pressing the locking rod upwards with fingers when the user sits on a chair, and the adjustment is convenient; the two sliding grooves which are distributed in the front and back are adopted, namely the front sliding groove and the back sliding groove, so that a reinforced part is arranged between the two sliding grooves, the integral structural strength of the sliding part is better, the service life can be properly prolonged, the front sliding rod is matched with the front sliding groove to play a role in guiding, the locking rod is matched with the back sliding groove to play a role in auxiliary guiding, the guiding effect is good, the sliding is smooth, and the adjustment is more convenient; connect the latch segment on the locking lever, the locked groove sets up in the side wall of back spout, withdraws from the locked groove back as the latch segment, promotes sliding part, and the latch segment slides on the spout of back, when the latch segment removed to next locked groove top position, the latch segment dropped to the locked groove automatically under self action of gravity for it is easier that the latch segment aims at the locked groove, and the user of further being convenient for adjusts the operation.
Drawings
FIG. 1 is a schematic view of the structure of a handrail in embodiment 1;
fig. 2 is an exploded view of the armrest at a first viewing angle;
FIG. 3 is an exploded view of the armrest at a second viewing angle;
fig. 4 is a schematic view of the structure of the sliding member.
Detailed Description
The present invention will be further explained by the following embodiments with reference to the attached drawings.
Example 1: as shown in fig. 1-4, a front and back adjustable chair armrest comprises a fixed part 1, a sliding part 2 connected to the fixed part 1 in a sliding manner, wherein the sliding part 2 is used for placing the hand of a user, and the sliding part 2 slides back and forth on the fixed part 1; the sliding component 2 is provided with a front sliding groove 21 and a rear sliding groove 22, the fixed component 1 is provided with a front sliding rod 23 penetrating through the front sliding groove 21, the fixed component 1 is also provided with a locking rod 24 penetrating through the top of the rear sliding groove 22, connected with a locking block 25 and capable of moving up and down, the front sliding rod 23 and the locking rod 24 can be but are not limited to be in a columnar structure, and a side groove wall of the rear sliding groove 22 is provided with a plurality of locking grooves 26 used for being matched with the locking block 25; the fixed part 1 includes an upper mounting part 11 for mounting the sliding part 2, and the lock lever 24 downwardly passes through the upper mounting part 11.
In the technical scheme, the sliding part 2 is used for placing the hand of a user, the position can be adjusted through moving back and forth, the requirements of various people are met, and the locking rod 24 penetrates out of the upper mounting part 11 downwards, so that the locking rod 24 is conveniently lifted up by pressing the finger upwards when the user sits on a chair, and the adjustment is convenient; the two sliding grooves which are distributed front and back, namely the front sliding groove 21 and the back sliding groove 22, are adopted, so that a reinforced part is arranged between the two sliding grooves of the sliding component 2, the integral structural strength of the sliding component 2 is better, the service life can be properly prolonged, the front sliding rod 23 is matched with the front sliding groove 21 to play a role in guiding, the locking rod 24 is matched with the back sliding groove 22 to play a role in auxiliary guiding, the guiding effect is good, the sliding is smooth, and the adjustment is more convenient; connect latch segment 25 on locking lever 24, the locked groove 26 sets up in the side wall of back spout 22, withdraw from the back when latch segment 25 from locked groove 26, sliding member 2 is backward motion under the effect of back, latch segment 25 slides on back spout 22, when latch segment 25 removes to next locked groove 26 top position, latch segment 25 drops to the locked groove 26 automatically under self action of gravity in, it is easier to make latch segment 25 aim at locked groove 26, further the user of being convenient for adjusts the operation. During the specific adjustment, the lock rod 24 is pressed upwards, the lock rod 24 is lifted upwards, the locking block 25 is made to withdraw from the locking groove 26, then the sliding component 2 moves backwards, and when the locking block 25 moves to the position above the next locking groove 26, the locking block 25 automatically drops into the locking groove 26 under the action of self gravity, so that the sliding component is fixed.
Preferably, the top of the front sliding rod 23 is provided with an upper limit block 27 for preventing the front sliding rod 23 from slipping out of the front sliding slot 21, and the lock lever 24 is provided with a lower limit portion 28 located below the sliding member 2 for preventing the lock lever 24 from slipping out of the rear sliding slot 22.
Preferably, the bottom of the lock rod 24 is connected with a hand pressing portion 241, and the upper mounting portion 11 is provided with a guide sleeve 111 matched with the pressing portion 241. The hand pressing portion 241 is provided to facilitate pressing operation by a finger.
Preferably, the armrest further comprises a reset structure for resetting the slide component 2 after the back movement, and through the reset structure, when the lock rod is lifted, the slide component can be automatically reset, so that the manipulation performance of the armrest and the experience of a user are further improved. The reset structure comprises a first spring mounting column 31 arranged on the fixed part 1, a second spring mounting column 32 arranged on the sliding part 2, and a reset spring 33 connected to the first spring mounting column 31 and the second spring mounting column 32, wherein in the embodiment, the number of the reset spring 33, the first spring mounting column 31 and the second spring mounting column 32 is 2. Preferably, the first spring mounting post 31 is disposed on the top of the fixed member 1, the bottom of the sliding member 2 is disposed with the mounting groove 20 facing the fixed member 1, and the second spring mounting post 32 is disposed in the mounting groove 20. This setting can hide first spring erection post, second spring erection post and reset spring, and is safe and pleasing to the eye. Preferably, the mounting groove 20 is connected with a guide groove 4 matched with the first spring mounting post 31, on one hand, the sliding efficiency of the sliding part is improved, and on the other hand, the stress of the front sliding rod and the lock rod can be properly shared, so that the service life of the handrail is ensured.
Preferably, the sliding member 2 is further provided with a handrail cover 0, and the handrail cover 0 may be, but is not limited to, fastened, bonded, or other conventional connection methods. The handrail cover plate 0 covers the front sliding groove 21, the rear sliding groove 22, the front sliding rod 23 positioned in the front sliding groove 21, the lock rod 24 and other parts, and can ensure certain attractiveness and increase market competitiveness on the premise of ensuring the smoothness of sliding by preventing sundries from falling into the front sliding groove 21 and the rear sliding groove 22.
Example 2: a chair comprising a seat, a backrest and armrests as described in embodiment 1. In this embodiment, the sliding part 2 is used for placing the hand of the user, and can adjust the position by moving back and forth, so as to meet the requirements of various people, and the locking rod 24 is downward penetrated out of the upper mounting part 11, so that the user can conveniently lift the locking rod 24 by pressing the locking rod upwards with fingers when sitting on the chair, and the adjustment is convenient; the two sliding grooves which are distributed front and back, namely the front sliding groove 21 and the back sliding groove 22, are adopted, so that a reinforced part is arranged between the two sliding grooves of the sliding component 2, the integral structural strength of the sliding component 2 is better, the service life can be properly prolonged, the front sliding rod 23 is matched with the front sliding groove 21 to play a role in guiding, the locking rod 24 is matched with the back sliding groove 22 to play a role in auxiliary guiding, the guiding effect is good, the sliding is smooth, and the adjustment is more convenient; connect latch segment 25 on locking lever 24, the locked groove 26 sets up in the side wall of back spout 22, withdraw from the back when latch segment 25 from locked groove 26, sliding member 2 is backward motion under the effect of back, latch segment 25 slides on back spout 22, when latch segment 25 removes to next locked groove 26 top position, latch segment 25 drops to the locked groove 26 automatically under self action of gravity in, it is easier to make latch segment 25 aim at locked groove 26, further the user of being convenient for adjusts the operation. During the specific adjustment, the lock rod 24 is pressed upwards, the lock rod 24 is lifted upwards, the locking block 25 is made to withdraw from the locking groove 26, then the sliding component 2 moves backwards, and when the locking block 25 moves to the position above the next locking groove 26, the locking block 25 automatically drops into the locking groove 26 under the action of self gravity, so that the sliding component is fixed.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (9)
1. A front-back adjustable chair armrest is characterized by comprising a fixed part (1) and a sliding part (2) connected to the fixed part (1) in a sliding manner, wherein the sliding part (2) slides back and forth on the fixed part (1);
the sliding component (2) is provided with a front sliding groove (21) and a rear sliding groove (22), the fixed component (1) is provided with a front sliding rod (23) penetrating through the front sliding groove (21), the fixed component (1) is also provided with a locking rod (24) penetrating through the top of the rear sliding groove (22) and connected with a locking block (25) and capable of moving up and down, and a side groove wall of the rear sliding groove (22) is provided with a plurality of locking grooves (26) matched with the locking block (25);
fixed part (1) is including last installation department (11) that are used for installing sliding part (2), locking lever (24) pass downwards go up installation department (11).
2. The armrest as claimed in claim 1, wherein the top of the front sliding rod (23) is provided with an upper limit block (27) for preventing the front sliding rod (23) from slipping out of the front sliding slot (21), and the lock lever (24) is provided with a lower limit portion (28) below the sliding member (2) for preventing the lock lever (24) from slipping out of the rear sliding slot (22) upward.
3. The front and rear adjustable chair armrest according to claim 1, characterized in that a hand pressing part (241) is connected to the bottom of the lock rod (24), and a guide sleeve (111) matched with the pressing part (241) is arranged on the upper mounting part (11).
4. A front-rear adjustable chair armrest as claimed in claim 1, wherein the armrest further comprises a reset structure for resetting the slide member (2) after the rearward movement.
5. The armrest as claimed in claim 4, wherein the return structure comprises a first spring mounting post (31) provided on the fixed member (1), a second spring mounting post (32) provided on the sliding member (2), and a return spring (33) connected to the first spring mounting post (31) and the second spring mounting post (32).
6. The armrest as claimed in claim 5, wherein the first spring mounting post (31) is provided on the top of the fixed member (1), the bottom of the sliding member (2) is provided with a mounting groove (20) facing the fixed member (1), and the second spring mounting post (32) is provided in the mounting groove (20).
7. The armrest of claim 6, wherein the mounting groove (20) is connected with a guide groove (4) which is engaged with the first spring mounting post (31).
8. A front-rear adjustable chair armrest as claimed in claim 1, wherein the sliding member (2) is further provided with an armrest cover plate (0).
9. A chair comprising a seat, a backrest and armrests, wherein the armrests are as claimed in claim 1 or 2 or 3 or 4 or 5 or 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020136316.4U CN211795420U (en) | 2020-01-21 | 2020-01-21 | Chair and front and back adjustable chair armrests thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020136316.4U CN211795420U (en) | 2020-01-21 | 2020-01-21 | Chair and front and back adjustable chair armrests thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211795420U true CN211795420U (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020136316.4U Active CN211795420U (en) | 2020-01-21 | 2020-01-21 | Chair and front and back adjustable chair armrests thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211795420U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111012094A (en) * | 2020-01-21 | 2020-04-17 | 艾路 | Chair and chair armrest capable of being used for mounting backrest thereof |
-
2020
- 2020-01-21 CN CN202020136316.4U patent/CN211795420U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111012094A (en) * | 2020-01-21 | 2020-04-17 | 艾路 | Chair and chair armrest capable of being used for mounting backrest thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211213 Address after: 313000 room 4-3, first floor, Fantan Industrial Park, Lingfeng street, Anji County, Huzhou City, Zhejiang Province Patentee after: Anji Youge Furniture Co.,Ltd. Address before: 242200 No. 30, Yangshan, Qingfang village, Lucun Township, Guangde County, Xuancheng City, Anhui Province Patentee before: Ai Lu |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: 313000 No. 201, plant 4, building 6, Fantan Industrial Park, Lingfeng street, Anji County, Huzhou City, Zhejiang Province Patentee after: Anji Youge Furniture Co.,Ltd. Address before: 313000 room 4-3, first floor, Fantan Industrial Park, Lingfeng street, Anji County, Huzhou City, Zhejiang Province Patentee before: Anji Youge Furniture Co.,Ltd. |
|
| CP03 | Change of name, title or address |