CN112890503A - Handrail assembly capable of being freely adjusted - Google Patents
Handrail assembly capable of being freely adjusted Download PDFInfo
- Publication number
- CN112890503A CN112890503A CN202110342570.9A CN202110342570A CN112890503A CN 112890503 A CN112890503 A CN 112890503A CN 202110342570 A CN202110342570 A CN 202110342570A CN 112890503 A CN112890503 A CN 112890503A
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- Prior art keywords
- positioning
- handrail
- seat
- wall
- control
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- 230000000903 blocking effect Effects 0.000 claims abstract description 7
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 210000002414 leg Anatomy 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 210000001217 buttock Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/54—Supports for the arms
- A47C7/541—Supports for the arms of adjustable type
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- Steps, Ramps, And Handrails (AREA)
Abstract
The invention discloses a handrail component capable of being freely adjusted, which comprises a control seat, a sliding component and a handrail, wherein the sliding component is connected with the control seat in a sliding manner, the handrail is detachably connected with the sliding component, the sliding component comprises a sliding frame and a cover body detachably connected with the sliding frame, a positioning part and a state switching part which is correspondingly arranged at the lower end of the positioning part and can slide in the radial direction are hinged in the control seat, a first elastic part is arranged between the positioning part and the inner wall of the control seat, one end of the positioning part is provided with a raised positioning part, and the other end of the positioning part is provided with an arc-; the inner wall of the cover body is regularly provided with a plurality of positioning grooves which are distributed in the radial direction and in which the positioning parts of the positioning parts slide, and the inner wall of the cover body at one side of the positioning grooves is provided with a first bump which is used for blocking the state switching part and enabling the positioning parts to slide into the positioning grooves; the invention is convenient to use and can adjust the inclination angle and the height of the handrail.
Description
Technical Field
The invention relates to an armrest assembly, in particular to an armrest assembly capable of being freely adjusted.
Background
The chair comprises armrests, a chair seat and chair legs, wherein the armrests mainly play a role in supporting hands of a human body. The existing handrail has single function, and the handrail is fixed, cannot rotate to adjust the angle and cannot be upgraded to adjust the height. After the angle of the chair back is changed, the back of the human body leans against the chair back, the distance and the position between the human hand and the handrail are changed, the traditional fixed handrail cannot adjust the distance from the handrail to the human hand after the position of the chair back is changed, and the traditional fixed handrail cannot adjust the angle of the handrail, so that the traditional handrail is poor in adaptability and comfort.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the handrail assembly which is convenient to use, can adjust the inclination angle and height of the handrail and can be freely adjusted.
A handrail component capable of being freely adjusted comprises a control seat, a sliding component and a handrail, wherein the sliding component is in sliding connection with the control seat, the handrail is in detachable connection with the sliding component, the sliding component comprises a sliding frame and a cover body in detachable connection with the sliding frame, a positioning part and a state switching part which is correspondingly arranged at the lower end of the positioning part and can slide radially are hinged in the control seat, a first elastic part is arranged between the positioning part and the inner wall of the control seat, a protruding positioning part is arranged at one end of the positioning part, and an arc-shaped groove and a first inclined surface are arranged at the other end of; the inner wall of the cover body is regularly provided with a plurality of positioning grooves which are distributed in the radial direction and in which the positioning parts of the positioning parts slide, and the inner wall of the cover body at one side of the positioning grooves is provided with a first bump which is used for blocking the state switching part and enabling the positioning parts to slide into the positioning grooves; the lower end of the inner wall of the cover body is provided with a second bump used for separating the positioning part from each positioning groove after jacking the state switching piece, and a positioning part clearance groove is arranged between the positioning groove arranged at the lowermost end and the second bump.
Furthermore, elastic bulges are symmetrically arranged on two sides of the sliding frame, the handrail is provided with a hole corresponding to the elastic bulges, the handrail is sleeved on the sliding assembly, the elastic bulges are correspondingly arranged in the hole, the sliding frame and the cover body are connected to form the sliding assembly, and then the sliding frame and the cover body are fixedly connected with the handrail, so that the installation and the disassembly of each part are facilitated, and the processing of each part is also facilitated.
Further, in order to realize that the handrail possesses rotation function, still include the seat frame that has the shaft hole in the side, install in the shaft hole and can rotate the swivel mount of being connected with the seat frame, the swivel mount has the control pedestal connection of jack with the side, inner wall in shaft hole is provided with a plurality of spacing grooves, install the control piece that can radial rectilinear movement in the jack, install the elastic component that resets between the one end of control piece and the corresponding end inner wall of control pedestal, be provided with on the control piece can with a bellying of each spacing groove assorted, a rotation for restriction control pedestal and swivel mount.
Furthermore, the swivel mount passes through the shaft hole through the connecting piece and is connected with the seat frame, and the connecting piece realizes the rotatable connection of swivel mount and seat frame.
Furthermore, the connecting piece is a screw, the screw is sequentially sleeved with the flat pad and the spring pad and penetrates through the shaft hole to be in threaded connection with the rotary seat, and the flat pad is used for preventing a blocking part arranged at the tail end of one end of the screw from directly contacting with the side wall of the seat frame and preventing the seat frame from being damaged; the spring pad is used for avoiding seat frame lateral wall and swivel mount lateral wall contact, and simultaneously, the spring pad possesses certain elasticity, prevents that the screw from becoming flexible, plays a certain amount of buffering guard action during the atress.
Furthermore, a raised baffle is arranged in the middle of the rotary seat, a slot corresponding to the baffle is arranged on the control piece, and the baffle is used for limiting the maximum stroke of the control piece; the blocking plate can limit the control member in the jack and can only move relatively axially in the jack.
Further, the symmetry sets up two arc joint portions on the outer wall of swivel mount, the symmetry be provided with on the outer wall of control seat two with arc joint portion assorted joint grooves, two arc joint portions correspond and put into at two joint inslots, make swivel mount, control seat ability synchronous rotation.
Furthermore, the rotary seat and the control seat are locked together through screws and are connected through the screws, so that the device is simple and convenient.
The invention has the beneficial effects that: the height and the angle of the handrail can be adjusted, the handrail can adapt to different crowds and can be used under different scenes, the handrail can better support the hands of a human body, the comfort is good, the application range is wide, and the handrail is reasonable in structural design and simple and easy to operate.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic partial split structure of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a schematic view of the connection structure of the rotary base and the control base of the present invention;
FIG. 5 is a schematic view of the partially disassembled structure of FIG. 4;
FIG. 6 is a schematic front view of the control member of the present invention;
FIG. 7 is a schematic view of the back side of the control member of the present invention;
FIG. 8 is a schematic view of the control seat and the slide assembly, the armrest, disassembled;
FIG. 9 is a schematic view of the structure of the cover;
FIG. 10 is a schematic view of a connection structure of the positioning element, the state switching element and the cover;
FIG. 11 is a schematic view of the connection structure of the control seat and the sliding frame;
FIG. 12 is a schematic view of a connection structure of a positioning member and a state switching member
Fig. 13 is a schematic view of the lifting and rotating state of the present invention.
Detailed Description
The chair comprises armrests 1, a seat frame, chair legs and the like, wherein the seat frame is used for supporting buttocks, the chair legs are used for supporting the seat frame, and the armrests 1 are used for supporting hands to avoid hand fatigue. The conventional armrest 1 is generally fixed and cannot be adjusted in height and rotation angle.
Referring to fig. 1-13, a handrail assembly capable of being freely adjusted comprises a control seat 2, a sliding assembly slidably connected with the control seat 2, and a handrail 1 detachably connected with the sliding assembly, wherein the sliding assembly comprises a sliding frame 3 and a cover body 4 detachably connected with the sliding frame 3, the sliding frame 3 can linearly slide along a sliding groove of the control seat 2, a positioning part 5 and a state switching part 6 which is correspondingly arranged at the lower end of the positioning part 5 and can radially slide are hinged in the control seat 2, a first elastic part 7 is arranged between the positioning part 5 and the inner wall of the control seat 2, the first elastic part 7 is preferably a spring, one end of the positioning part 5 is provided with a raised positioning part 8, and the other end of the positioning part is provided with an arc-shaped groove 9 and a first inclined plane; a plurality of positioning grooves 11 which are distributed radially and in which the positioning parts 8 of the positioning pieces 5 slide are regularly arranged on the inner wall of the cover body 4, and a first bump 12 which is used for blocking the state switching piece 6 and enabling the positioning parts 8 to slide into the positioning grooves 11 is arranged on the inner wall of the cover body 4 on one side of the positioning grooves 11; the lower end of the inner wall of the cover body 4 is provided with a second bump 13 for separating the positioning part 8 from each positioning groove 11 after pressing the state switching member 6, a positioning part 5 clearance groove 14 is arranged between the positioning groove 11 arranged at the lowermost end and the second bump 13, the clearance groove 14 provides an enough space for the positioning part 5 to rotate and separate from the cover body 4, and the height adjustment of the handrail 1 is realized through the structure.
The first elastic piece 7 is used for jacking the positioning piece 5 to enable the positioning piece 5 to be clamped in one of the positioning grooves 11, the lower end of each positioning groove 11 and the positioning piece 5 are correspondingly provided with a sliding inclined plane 15 convenient to slide, and the inner wall of the upper end of each positioning groove 11 is provided with a plane 16 used for clamping and pressing the outer wall of the upper end of the positioning piece 5 to prevent the positioning piece 5 from freely sliding out of the groove 11; the state switching piece 6 is used for pressing the handrail 1 downwards when the handrail 1 is at the highest position relative to the horizontal plane, the second bump 13 presses against the lower end of the state switching piece 6 to enable the positioning piece 5 to rotate, the state switching piece 6 slides into the arc-shaped groove 9 along the sliding inclined plane 15, at the moment, the positioning piece 5 leaves the positioning groove 11 after rotating, the positioning piece and the positioning piece are separated, the handrail 1 is pressed downwards continuously, the handrail 1 can descend to the lowest position relative to the horizontal plane, if the handrail 1 is pulled again, the first bump 12 arranged on the cover body 4 presses against the upper end of the state switching piece 6 to enable the state switching piece 6 to slide out of the arc-shaped groove 9 of the positioning piece 5 and reset to the position initially contacted with the positioning piece 5 along the sliding inclined plane 15, and the positioning piece 5 rotates and is clamped.
The bilateral symmetry of carriage 3 is provided with integrated into one piece's elastic bulge 17, is provided with the trompil 18 corresponding with elastic bulge 17 on handrail 1, and handrail 1 cup joints on sliding assembly, and elastic bulge 17 corresponds puts into in trompil 18, makes carriage 3 and lid 4 be connected and constitutes sliding assembly after, is connected fixedly with handrail 1 again, makes things convenient for the installation of each part, dismantles, also makes things convenient for the processing of each part.
In order to realize that the armrest 1 has a rotating function, the armrest further comprises a seat frame 20 with a shaft hole 19 on the side surface, a rotating seat 21 which is installed in the shaft hole 19 and can be rotatably connected with the seat frame 20, the rotating seat 21 is connected with the control seat 2 with a jack 22 on the side surface, a plurality of limiting grooves 23 are arranged on the inner wall of the shaft hole 19, a control piece 24 which can move linearly in the radial direction is installed in the jack 22, a reset elastic piece 25, preferably a reset spring, is installed between one end of the control piece 24 and the inner wall of the corresponding end of the control seat 2, one end of the reset spring is placed in a spring groove 26 on the control piece 24, the other end of the reset spring is sleeved on a spring plug-in piece 27 on the inner wall of the control seat 2, so that the reset spring is prevented from falling off, and a protruding part 28 which can.
Further, the rotary seat 21 is connected with the seat frame 20 after penetrating through the shaft hole 19 through a connecting piece 29; specifically, the connecting member 29 is a screw, the screw is sequentially sleeved with the flat pad 30 and the spring pad 31 and penetrates through the shaft hole 19 to be in threaded connection with the rotating base 21, and the flat pad 30 is used for preventing a blocking part arranged at the tail end of one end of the screw from directly contacting with the side wall of the seat frame 20 and preventing the seat frame 20 from being damaged; the spring pad 31 is used to prevent the side wall of the seat frame 20 from contacting the side wall of the rotary seat 21, and meanwhile, the spring pad 31 has a certain elasticity.
Further, a raised baffle 32 is arranged in the middle of the rotary seat 21, a slot 33 corresponding to the baffle 32 is arranged on the control member 24, the width of the slot 33 is larger than the thickness of the baffle 32, and the baffle 32 is used for limiting the maximum stroke of the control member 24; the stop 32 may limit the control member 24 within the socket 22 and may only move axially relative to one another within the socket 22.
Further, the symmetry sets up two arc joint portions 34 on swivel mount 21's outer wall, the symmetry be provided with two with arc joint portion 34 assorted joint grooves 35 on control seat 2's outer wall, two arc joint portions 34 correspond and put into in two joint grooves 35, make swivel mount 21, control seat 2 can synchronous rotation. Further, the rotation seat 21 and the control seat 2 are locked together by screws.
When the height of the handrail 1 is to be increased, the handrail 1 is pulled upwards, and because the handrail 1 is connected with the cover body 4 and the sliding frame 3, the sliding frame 3 can synchronously move upwards along the sliding groove of the control seat 2, and in the process of moving upwards, the first convex blocks 12 press the upper end of the state switching piece 6, and the positioning pieces 5 can sequentially slide into the positioning grooves 11, so that the height of the handrail 1 is increased.
When the handrail 1 is at the highest position and the height of the handrail 1 is to be reduced, the handrail 1 is pressed downwards, the second bump 13 presses against the lower end of the state switching piece 6 to enable the positioning piece 5 to rotate, the state switching piece 6 can move linearly in the control seat 2 relatively, the state switching piece 6 slides into the arc-shaped groove 9 along the sliding inclined plane 15, at the moment, the positioning piece 5 leaves the positioning groove 11 through rotation, the two are separated, the handrail 1 is continuously pressed downwards, and the handrail 1 can be lowered to the lowest position relative to the horizontal plane.
In the free state, the control member 24 is under the action of the return elastic member 25, and the protrusion 28 thereof is placed in one of the limiting grooves 23 on the seat frame 20, at this time, the armrest 1, the swivel base 21, and the control seat 2 are not rotatable. When the rotation of the armrest 1 is to change the angle, the control member 24 is pressed first, the control member 24 and the elastic return member 25 move back linearly, and the protrusion 28 of the control member 24 leaves the limiting groove 23 and enters the inner cavity of the control seat 2, at this time, the armrest 1 is rotated, the armrest 1 drives the control seat 2 and the swivel base 21 to rotate synchronously, when the armrest reaches the second limiting groove 23, the protrusion 28 on the control member 24 automatically slides into the second limiting groove 23 under the reaction force of the elastic return member 25, at this time, the armrest 1, the swivel base 21 and the control seat 2 cannot rotate, and the angle adjustment of the armrest 1 is completed at the same time. The limiting groove 23 can be a plurality of limiting grooves, and the handrail 1 can realize different angle adjustment by placing the convex part 28 on the control piece 24 into different limiting grooves 23.
The height and the angle of the handrail 1 can be adjusted, the handrail can be suitable for different people and used in different scenes, the handrail 1 can better support the hands of a human body, the comfort is good, the application range is wide, and the handrail is reasonable in structural design, simple and easy to operate.
The present invention is not limited to the above-described embodiments, and modifications and variations of the present invention are possible within the scope of the claims.
Claims (7)
1. The utility model provides a handrail assembly that can freely adjust, includes the control seat, can sliding connection's slip subassembly with the control seat, can dismantle the handrail of being connected with the slip subassembly, the slip subassembly includes the carriage, can dismantle the lid of being connected with the carriage, characterized by: a positioning part and a state switching part which is correspondingly arranged at the lower end of the positioning part and can slide in the radial direction are hinged in the control seat, a first elastic part is arranged between the positioning part and the inner wall of the control seat, a raised positioning part is arranged at one end of the positioning part, and an arc-shaped groove and a first inclined plane are arranged at the other end of the positioning part; the inner wall of the cover body is regularly provided with a plurality of positioning grooves which are distributed in the radial direction and in which the positioning parts of the positioning parts slide, and the inner wall of the cover body at one side of the positioning grooves is provided with a first bump which is used for blocking the state switching part and enabling the positioning parts to slide into the positioning grooves; the lower end of the inner wall of the cover body is provided with a second bump used for separating the positioning part from each positioning groove after jacking the state switching piece, and a positioning part clearance groove is arranged between the positioning groove arranged at the lowermost end and the second bump.
2. The freely adjustable armrest assembly of claim 1, wherein: elastic bulges are symmetrically arranged on two sides of the sliding frame, open holes corresponding to the elastic bulges are formed in the handrail, the handrail is sleeved on the sliding assembly, and the elastic bulges are correspondingly arranged in the open holes.
3. The freely adjustable armrest assembly of claim 1 or 2, wherein: still include the seat frame that has the shaft hole in the side, install in the shaft hole and can rotate the swivel mount of being connected with the seat frame, the swivel mount is connected with the control pedestal that the side has the jack, the inner wall in shaft hole is provided with a plurality of spacing grooves, install the control piece that can radial rectilinear movement in the jack, install the elastic component that resets between the one end of control piece and the corresponding end inner wall of control pedestal, be provided with on the control piece can with a bellying of each spacing groove assorted for restriction control pedestal and swivel mount rotate.
4. The freely adjustable armrest assembly of claim 3, wherein: the rotary seat passes through the shaft hole through a connecting piece and then is connected with the seat frame.
5. The freely adjustable armrest assembly of claim 4, wherein: the connecting piece is a screw which is sequentially sleeved with the flat pad and the spring pad and is connected with the rotary seat through threads after penetrating through the shaft hole.
6. The freely adjustable armrest assembly of claim 3, wherein: a raised baffle is arranged in the middle of the rotary seat, a slot corresponding to the baffle is arranged on the control piece, and the baffle is used for limiting the maximum stroke of the control piece.
7. The freely adjustable armrest assembly of claim 6, wherein: two arc joint portions are symmetrically arranged on the outer wall of the rotary seat, two joint grooves matched with the arc joint portions are symmetrically arranged on the outer wall of the control seat, and the two arc joint portions are correspondingly arranged in the two joint grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110342570.9A CN112890503B (en) | 2021-03-30 | 2021-03-30 | Armrest assembly capable of being freely adjusted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110342570.9A CN112890503B (en) | 2021-03-30 | 2021-03-30 | Armrest assembly capable of being freely adjusted |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112890503A true CN112890503A (en) | 2021-06-04 |
| CN112890503B CN112890503B (en) | 2024-02-20 |
Family
ID=76109508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110342570.9A Active CN112890503B (en) | 2021-03-30 | 2021-03-30 | Armrest assembly capable of being freely adjusted |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112890503B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115596941A (en) * | 2022-09-29 | 2023-01-13 | 广州顿奇装饰集团股份有限公司（Cn） | Surveying instrument for indoor design |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000049907A (en) * | 2000-05-04 | 2000-08-05 | 박행순 | Adjustable armrest for chair |
| KR200439158Y1 (en) * | 2007-02-15 | 2008-03-25 | 박찬석 | The chair armrest of height and turning adjustment composition |
| US20120025584A1 (en) * | 2010-07-30 | 2012-02-02 | Chen Te-Chun | Armrest adjustment device |
| CN105534119A (en) * | 2016-01-25 | 2016-05-04 | 浙江誉越家具有限公司 | Height-adjustable armrest |
| CN105996538A (en) * | 2016-07-08 | 2016-10-12 | 万旭勇 | Seat armrest capable of being adjusted in multiple dimensions |
-
2021
- 2021-03-30 CN CN202110342570.9A patent/CN112890503B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000049907A (en) * | 2000-05-04 | 2000-08-05 | 박행순 | Adjustable armrest for chair |
| KR200439158Y1 (en) * | 2007-02-15 | 2008-03-25 | 박찬석 | The chair armrest of height and turning adjustment composition |
| US20120025584A1 (en) * | 2010-07-30 | 2012-02-02 | Chen Te-Chun | Armrest adjustment device |
| CN105534119A (en) * | 2016-01-25 | 2016-05-04 | 浙江誉越家具有限公司 | Height-adjustable armrest |
| CN105996538A (en) * | 2016-07-08 | 2016-10-12 | 万旭勇 | Seat armrest capable of being adjusted in multiple dimensions |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115596941A (en) * | 2022-09-29 | 2023-01-13 | 广州顿奇装饰集团股份有限公司（Cn） | Surveying instrument for indoor design |
| CN115596941B (en) * | 2022-09-29 | 2023-06-06 | 广州顿奇装饰集团股份有限公司 | Surveying instrument for indoor design |
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| Publication number | Publication date |
|---|---|
| CN112890503B (en) | 2024-02-20 |
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