CN211408287U - Lifting revolving chair armrest - Google Patents
Lifting revolving chair armrest Download PDFInfo
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- CN211408287U CN211408287U CN201922012447.1U CN201922012447U CN211408287U CN 211408287 U CN211408287 U CN 211408287U CN 201922012447 U CN201922012447 U CN 201922012447U CN 211408287 U CN211408287 U CN 211408287U
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- chain
- lifting
- swivel chair
- armrest
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Abstract
The utility model discloses a lift swivel chair handrail, including the swivel chair body, the lift chamber has been seted up on the swivel chair body, fixed mounting has the motor on the top side inner wall in lift chamber, the welding has first sprocket and second sprocket on the output shaft of motor, first sprocket and second sprocket go up to mesh respectively has first chain and second chain, rotate on the bottom side inner wall in lift chamber and install two dwangs, two dwangs are based on the motor symmetry setting respectively, and all there is the third sprocket on two dwangs, and two third sprockets are connected with first sprocket and second sprocket transmission through first chain and second chain respectively, and equal threaded connection has the screw thread piece on two dwangs, and two screw thread pieces are sliding mounting respectively on the both sides inner wall in lift chamber, and the top welding of two screw thread pieces has same U-shaped handrail body. The utility model discloses the U-shaped handrail body of being convenient for goes up and down, simple structure, convenient to use.
Description
Technical Field
The utility model relates to a swivel chair technical field especially relates to a lift swivel chair handrail.
Background
The swivel chair is one of computer chair and office chair, and is one chair with rotatable sitting part and capable of being lifted and lowered, and is one elastic element with gas and liquid as working medium and with the functions of support, buffering, braking, height regulation, angle regulation, etc. the swivel chair has one air pressure rod inside the lifting unit. The lifting shaft is lifted to the highest point without applying external force to the lifting shaft.
The revolving chair is provided with the armrests, but the armrests are fixed, so that the height of the revolving chair is not convenient to adjust, and the revolving chair is inconvenient for people to operate when in use, and therefore, an armrest of the lifting revolving chair is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a lifting swivel chair armrest.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a lifting swivel chair armrest comprises a swivel chair body, wherein a lifting cavity is formed in the swivel chair body, a motor is fixedly mounted on the inner wall of the top side of the lifting cavity, a first chain wheel and a second chain wheel are welded on an output shaft of the motor, a first chain and a second chain are respectively meshed on the first chain wheel and the second chain wheel, two rotating rods are rotatably mounted on the inner wall of the bottom side of the lifting cavity and are symmetrically arranged based on the motor respectively, third chain wheels are welded on the two rotating rods and are in transmission connection with the first chain wheel and the second chain wheel respectively through the first chain and the second chain, threaded blocks are in threaded connection with the two rotating rods and are respectively slidably mounted on the inner walls of the two sides of the lifting cavity, the top of the two threaded blocks is welded with the same U-shaped armrest body, and two lifting holes are formed in the top of the swivel chair body, the U-shaped handrail body is respectively installed in the two lifting holes in a sliding manner.
Preferably, the inner wall of the bottom side of the lifting cavity is provided with a rotating groove, the two rotating rods are respectively rotatably installed in the two rotating grooves, bearings are fixedly installed in the two rotating grooves and are respectively sleeved on the two rotating rods, and the bearings play a role in fixing and limiting the rotating rods.
Preferably, all set up threaded hole on two screw thread blocks, all be equipped with the internal thread in two threaded holes, all be equipped with the external screw thread on two dwang, internal thread and external screw thread looks adaptation.
Preferably, all weld the slide rail on the both sides inner wall in lift chamber, the slider has all been welded to one side that two screw blocks kept away from each other, and two sliders are respectively slidable mounting on two slide rails, prevent that the screw block from rotating in the motion, and the screw block can only remove and rise or descend.
Preferably, the dust cover is fixedly installed on the inner wall of the top side of the lifting cavity, and the motor is located in the dust cover, so that the motor is convenient to dust, and the service life of the motor is prolonged.
Preferably, the sliding holes are formed in the two sides of the dust cover, and the first chain and the second chain are slidably mounted in the two sliding holes respectively, so that the first chain and the second chain can move conveniently.
Preferably, a plurality of sliding columns are fixedly mounted in the two lifting holes and are in sliding contact with the U-shaped handrail body respectively, so that resistance of the U-shaped handrail body is reduced when the U-shaped handrail body ascends or descends.
Preferably, the bottom welding of swivel chair body has the pillar, and the bottom welding of pillar has the slipmat, prevents that the swivel chair body from appearing sliding when using, influences the use.
Preferably, the top fixed mounting of U-shaped handrail body has the cushion, is convenient for place the hand on the cushion when using, improves the comfort level.
Preferably, two spouts have been seted up at the top of swivel chair body, and two spouts are located one side that two lift holes kept away from each other respectively, and the fixed slot has all been seted up to the both sides of U-shaped handrail body, and equal movable mounting has the dead lever in two fixed slots, and the one end that two dead levers kept away from each other extends to in two spouts respectively to the welding has the pull rod, and the one end of spring has all been welded to one side that two pull rods kept away from each other, and the other end of two springs welds respectively on the one side inner wall that two spouts kept away from each other, is convenient for fix at U-shaped handrail body.
Preferably, round holes are formed in the inner wall, close to each other, of one side of each of the two sliding grooves, the round holes are communicated with the two lifting holes respectively, the two fixing rods are slidably mounted in the two round holes respectively, and the fixing rods can move in the sliding grooves and the lifting holes conveniently.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) through the matching of the lifting cavity, the motor, the first chain wheel, the second chain wheel, the first chain, the second chain, the rotating rod and the third chain wheel, the output shaft of the motor drives the first chain wheel and the second chain wheel to rotate, the first chain wheel and the second chain wheel respectively drive the first chain and the second chain to move, the first chain and the second chain respectively drive the two third chain wheels to rotate, and the third chain wheels drive the rotating rod to rotate;
(2) through the matching of the rotating rod, the threaded block, the U-shaped handrail body and the lifting hole, the rotating rod rotates to drive the threaded block to move, the threaded block drives the U-shaped handrail body to move in the lifting cavity, and the U-shaped handrail body moves in the lifting hole, so that the purpose of adjusting lifting is achieved;
the utility model discloses the U-shaped handrail body of being convenient for goes up and down, simple structure, convenient to use.
Drawings
Fig. 1 is a schematic structural view of an armrest of a lifting swivel chair according to the present invention;
fig. 2 is a schematic structural view of a part a of an armrest of a lifting swivel chair according to the present invention;
fig. 3 is a schematic structural view of a screw block of a lifting swivel chair armrest.
In the figure: the multifunctional chair comprises a chair body 1, a lifting cavity 2, a motor 3, a first chain wheel 4, a second chain wheel 5, a first chain wheel 6, a second chain wheel 7, a rotating rod 8, a third chain wheel 9, a thread block 10, a U-shaped armrest body 11 and a lifting hole 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a lifting swivel chair armrest comprises a swivel chair body 1, a lifting cavity 2 is formed on the swivel chair body 1, a motor 3 is fixedly installed on the inner wall of the top side of the lifting cavity 2, a first chain wheel 4 and a second chain wheel 5 are welded on an output shaft of the motor 3, a first chain 6 and a second chain 7 are respectively meshed on the first chain wheel 4 and the second chain wheel 5, two rotating rods 8 are rotatably installed on the inner wall of the bottom side of the lifting cavity 2, the two rotating rods 8 are respectively symmetrically arranged based on the motor 3, third chain wheels 9 are welded on the two rotating rods 8, the two third chain wheels 9 are respectively in transmission connection with the first chain wheel 4 and the second chain wheel 5 through the first chain 6 and the second chain 7, threaded blocks 10 are respectively in threaded connection with the two rotating rods 8, the two threaded blocks 10 are respectively slidably installed on the inner walls of the two sides of the lifting cavity 2, the same U-shaped armrest body 11 is welded on the, the top of the swivel chair body 1 is provided with two lifting holes 12, the U-shaped armrest bodies 11 are respectively and slidably mounted in the two lifting holes 12, through the matching of the lifting cavity 2, the motor 3, the first chain wheel 4, the second chain wheel 5, the first chain 6, the second chain 7, the rotating rod 8 and the third chain wheel 9, the output shaft of the motor 3 drives the first chain wheel 4 and the second chain wheel 5 to rotate, the first chain wheel 4 and the second chain wheel 5 respectively drive the first chain 6 and the second chain 7 to move, the first chain 6 and the second chain 7 respectively drive the two third chain wheels 9 to rotate, and the third chain wheels 9 drive the rotating rod 8 to rotate; through the matching of the rotating rod 8, the thread block 10, the U-shaped handrail body 11 and the lifting hole 12, the rotating rod 8 rotates to drive the thread block 10 to move, the thread block 10 drives the U-shaped handrail body 11 to move in the lifting cavity 2, and the U-shaped handrail body 11 moves in the lifting hole 12, so that the purpose of adjusting lifting is achieved; the utility model discloses be convenient for U-shaped handrail body 11 goes up and down, simple structure, convenient to use.
In the utility model, a rotating groove is arranged on the inner wall of the bottom side of the lifting cavity 2, two rotating rods 8 are respectively rotatably arranged in the two rotating grooves, bearings are fixedly arranged in the two rotating grooves, the two bearings are respectively sleeved on the two rotating rods 8, the bearings play a role of fixing and limiting the rotating rods 8, threaded holes are respectively arranged on two thread blocks 10, internal threads are respectively arranged in the two threaded holes, external threads are respectively arranged on the two rotating rods 8, the internal threads are matched with the external threads, slide rails are respectively welded on the inner walls of the two sides of the lifting cavity 2, a slide block is respectively welded on one side, far away from each other, of the two thread blocks 10, the two slide blocks are respectively slidably arranged on the two slide rails to prevent the thread blocks 10 from rotating when in motion, the thread blocks 10 can only move up or down, a dust cover is fixedly arranged on the inner wall of, the dustproof swivel chair is convenient for the motor 3 to prevent dust, the service life of the motor 3 is prolonged, sliding holes are formed in two sides of the dustproof cover, the first chain 6 and the second chain 7 are respectively and slidably mounted in the two sliding holes, the first chain 6 and the second chain 7 are convenient to move, a plurality of sliding columns are fixedly mounted in the two lifting holes 12 and respectively in sliding contact with the U-shaped armrest body 11, resistance of the U-shaped armrest body is reduced when the U-shaped armrest body ascends or descends, a supporting column is welded at the bottom of the swivel chair body 1, a non-slip mat is welded at the bottom of the supporting column to prevent the swivel chair body 1 from sliding when in use and influencing use, a back cushion is fixedly mounted at the top of the U-shaped armrest body 11, hands can be placed on the back cushion when in use, the comfort level is improved, two sliding grooves are formed in the top of the swivel chair body 1 and are, fixing grooves are respectively formed in two sides of the U-shaped handrail body 11, fixing rods are movably mounted in the two fixing grooves, one ends of the two fixing rods, which are far away from each other, extend into the two sliding grooves respectively, pull rods are welded, one ends of springs are welded on one sides, which are far away from each other, of the two pull rods, the other ends of the two springs are welded on the inner walls of the sides, which are far away from each other, of the two sliding grooves, so that the U-shaped handrail body 11 can be fixed after the height is adjusted, round holes are respectively formed in the inner walls, which are close to each other, of the two sliding grooves, the two round holes are respectively communicated with the two lifting holes 12, the two fixing rods are respectively and slidably mounted in the two round holes, so that the fixing rods can move in the sliding grooves and the lifting holes 12, and the first chain wheel 4 and the second chain wheel 5 are driven by an output shaft of the motor 3 to rotate, the first chain wheel 4 and the second chain wheel 5 respectively drive the first chain 6 and the second chain 7 to move, the first chain 6 and the second chain 7 respectively drive the two third chain wheels 9 to rotate, and the third chain wheels 9 drive the rotating rod 8 to rotate; through the matching of the rotating rod 8, the thread block 10, the U-shaped handrail body 11 and the lifting hole 12, the rotating rod 8 rotates to drive the thread block 10 to move, the thread block 10 drives the U-shaped handrail body 11 to move in the lifting cavity 2, and the U-shaped handrail body 11 moves in the lifting hole 12, so that the purpose of adjusting lifting is achieved; the utility model discloses be convenient for U-shaped handrail body 11 goes up and down, simple structure, convenient to use.
The working principle is as follows: firstly, a motor 3 is started, an output shaft of the motor 3 drives a first chain wheel 4 and a second chain wheel 5 to rotate, the first chain wheel 4 and the second chain wheel 5 respectively drive a first chain 6 and a second chain 7 to move, the first chain 6 and the second chain 7 respectively drive two third chain wheels 9 to rotate, the third chain wheels 9 drive a rotating rod 8 to rotate in a lifting cavity 2, the rotating rod 8 is in threaded connection with a threaded block 10, the rotating rod 8 rotates to drive the threaded block 10 to move, the threaded block 10 drives a sliding block to slide on a sliding rail, the threaded block 10 drives a U-shaped handrail body 11 to move in the lifting cavity 2, the U-shaped handrail body 11 moves in a lifting hole 12, the lifting regulation purpose is achieved, when the height meets the requirement, under the effect of spring, the pull rod that the spring was beaten removes in the spout, and the pull rod drives the dead lever and removes in the post fixed slot, fixes U-shaped handrail body 11, and the U-shaped handrail body 11 of being convenient for goes up and down.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. The lifting swivel chair armrest comprises a swivel chair body (1) and is characterized in that a lifting cavity (2) is formed in the swivel chair body (1), a motor (3) is fixedly mounted on the inner wall of the top side of the lifting cavity (2), a first chain wheel (4) and a second chain wheel (5) are welded on an output shaft of the motor (3), a first chain (6) and a second chain (7) are respectively meshed on the first chain wheel (4) and the second chain wheel (5), two rotating rods (8) are rotatably mounted on the inner wall of the bottom side of the lifting cavity (2), the two rotating rods (8) are symmetrically arranged based on the motor (3), third chain wheels (9) are welded on the two rotating rods (8), and the two third chain wheels (9) are in transmission connection with the first chain wheel (4) and the second chain wheel (5) through the first chain (6) and the second chain (7) respectively, equal threaded connection has screw thread piece (10) on two dwang (8), and two screw thread pieces (10) are slidable mounting respectively on the both sides inner wall of lift chamber (2), and the top welding of two screw thread pieces (10) has same U-shaped handrail body (11), two lift hole (12) have been seted up at the top of swivel chair body (1), and U-shaped handrail body (11) are slidable mounting respectively in two lift hole (12).
2. The lifting swivel chair armrest as claimed in claim 1, wherein the inner wall of the bottom side of the lifting cavity (2) is provided with a rotating groove, the two rotating rods (8) are respectively rotatably mounted in the two rotating grooves, bearings are fixedly mounted in the two rotating grooves, and the two bearings are respectively sleeved on the two rotating rods (8).
3. The lifting swivel chair armrest as claimed in claim 1, wherein the two threaded blocks (10) are each provided with a threaded hole, both threaded holes are each provided with an internal thread, both swivel rods (8) are each provided with an external thread, and the internal threads are adapted to the external threads.
4. The lifting revolving chair armrest as claimed in claim 1, characterized in that sliding rails are welded on the inner walls of the two sides of the lifting cavity (2), and sliding blocks are welded on the sides of the two threaded blocks (10) away from each other, and are slidably mounted on the two sliding rails respectively.
5. The lift swivel chair armrest as claimed in claim 1, characterized in that a dust cover is fixedly mounted on the top inner wall of the lift chamber (2), and the motor (3) is located in the dust cover.
6. The lifting swivel chair armrest as claimed in claim 5, wherein the dust cover is provided with sliding holes on both sides, and the first chain (6) and the second chain (7) are slidably mounted in the two sliding holes respectively.
7. The lifting swivel chair armrest as claimed in claim 1, wherein a plurality of sliding columns are fixedly mounted in both lifting holes (12), and are respectively in sliding contact with the U-shaped armrest body (11).
8. The lifting swivel chair armrest as claimed in claim 1, wherein a pillar is welded to the bottom of the swivel chair body (1), and a non-slip mat is welded to the bottom of the pillar, so as to prevent the swivel chair body (1) from sliding when in use and affecting the use.
9. The lifting swivel chair armrest as claimed in claim 1, wherein a cushion is fixedly mounted on the top of the U-shaped armrest body (11) for placing a hand on the cushion during use, thereby improving comfort.
10. The lifting swivel chair armrest as claimed in claim 1, wherein two sliding grooves are formed in the top of the swivel chair body (1), the two sliding grooves are respectively located on one side of the two lifting holes (12) away from each other, fixing grooves are formed in two sides of the U-shaped armrest body (11), fixing rods are movably mounted in the two fixing grooves, one ends of the two fixing rods away from each other respectively extend into the two sliding grooves, and are welded with pull rods, one ends of springs are welded on one sides of the two pull rods away from each other, the other ends of the two springs are respectively welded on the inner walls of the two sliding grooves away from each other, and the U-shaped armrest body (11) can be fixed after being adjusted in height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922012447.1U CN211408287U (en) | 2019-11-20 | 2019-11-20 | Lifting revolving chair armrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922012447.1U CN211408287U (en) | 2019-11-20 | 2019-11-20 | Lifting revolving chair armrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211408287U true CN211408287U (en) | 2020-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922012447.1U Active CN211408287U (en) | 2019-11-20 | 2019-11-20 | Lifting revolving chair armrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211408287U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112494232A (en) * | 2020-11-25 | 2021-03-16 | 杨秋玲 | Nursing bed for pediatric urology surgery |
-
2019
- 2019-11-20 CN CN201922012447.1U patent/CN211408287U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112494232A (en) * | 2020-11-25 | 2021-03-16 | 杨秋玲 | Nursing bed for pediatric urology surgery |
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Effective date of registration: 20220531 Address after: No.19-3 Puji central street, Gejia Town, Wendeng District, Weihai City, Shandong Province 264200 Patentee after: Weihai Guheng Construction Machinery Co.,Ltd. Address before: 313009 Zhejiang Yantong Furniture Co., Ltd., Dongbao village, Lianshi Town, Nanxun District, Huzhou City, Zhejiang Province Patentee before: Zhejiang Wangsen Home Technology Co.,Ltd. |