CN219020654U

CN219020654U - Adjustable armrest

Info

Publication number: CN219020654U
Application number: CN202223185678.0U
Authority: CN
Inventors: 李贺帅
Original assignee: Anjiressa Furniture Co ltd
Current assignee: Anjiressa Furniture Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-05-16
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses an adjustable armrest, which is used for solving the technical problems that in the prior art, the adjustment direction and the angle of the armrest are single, and the use of different crowds in different occasions is not satisfied, and the adjustable armrest comprises a base, a lifting rod, a bottom plate and an armrest plate, and is characterized in that the lifting rod is slidably arranged in the base in a penetrating manner, a lifting component used for driving the lifting rod to slide is arranged on the lifting rod, a rotating component capable of enabling the bottom plate to rotate relative to the lifting rod is arranged between the top of the lifting rod and the bottom of the bottom plate, and a locking component used for locking the armrest plate after sliding is arranged on the bottom plate and in the armrest plate.

Description

Adjustable armrest

Technical Field

The utility model relates to the technical field of seat processing, in particular to an adjustable armrest.

Background

The seat is common furniture in life, and the existing seat is generally provided with armrests so as to support arms of a user and improve riding comfort.

The utility model patent literature with the publication number of CN214258650U and the patent name of seat armrest discloses a seat armrest structure, which comprises a seat armrest body, wherein the seat armrest body comprises a support piece body, a connecting piece body, a rotating piece body and a rotating switch, the front end of the connecting part is fixedly provided with two guide pieces, the other ends of the two guide pieces sequentially penetrate through a buffer piece and the connecting piece body and extend to the outside of the connecting piece body, and are connected with the inner side wall of the rotating switch in a clamping way, so that the connecting piece body is conveniently and movably connected to the front part above the support piece body, the upper end of the connecting piece body is provided with a mounting connecting piece, the lower end surface of the rotating piece body is provided with a connecting groove matched with the mounting connecting piece, and the mounting connecting piece is fixedly connected with the rotating piece body through a mounting bolt.

The sitting postures of the passengers are different, and the arms are in different postures, so that the arms are in the most comfortable state, but the seat armrest in the patent document can be adjusted at a certain angle in one mode, but the adjusting mode is single, and cannot meet the use requirements of the passengers in different occasions.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art, and provides an adjustable armrest, which is used for solving the technical problems that the armrest of the prior art mentioned in the background art is single in adjusting direction and angle and cannot meet the use requirements of different crowds in different occasions.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides an adjustable handrail, includes base, lifter, bottom plate and handrail board, its characterized in that, the lifter slides and wears to locate in the base and be equipped with on the lifter and be used for driving the gliding lifting assembly of lifter, be equipped with between lifter top and the bottom plate bottom and make the relative lifter pivoted rotating assembly of bottom plate, handrail board slides and locates on the bottom plate and handrail inboard is equipped with the locking subassembly that is used for locking after the handrail board slides.

Working principle:

the passenger places the arm on the handrail board, and when the upper and lower height of handrail board needs to be adjusted, the passenger starts the lifting assembly, can reciprocate the handrail board, adjusts to the high scope that the arm is fit for.

When the horizontal angle of the armrest plate needs to be changed, the rider starts the rotating assembly, so that the horizontal angle of the armrest plate can be changed, and the arm placing range of different riders can be adapted.

When the position of the armrest plate needs to be changed, a passenger slides the armrest plate, and then the sliding armrest plate is locked through the locking assembly, so that the position of the armrest plate can be changed, and the armrest plate is suitable for passengers with different arm placing habits.

Compared with the prior art, the utility model has the following beneficial effects:

first, be equipped with lifting unit, can conveniently adjust the upper and lower height of handrail board, make things convenient for the passenger's arm of different heights to place.

And the second, be equipped with rotating assembly, can conveniently adjust the horizontal angle of handrail board, make things convenient for different riders to rotate the handrail board and carry out the locking after rotating certain angle according to factors such as travelling comfort.

Thirdly, install the handrail board on the bottom plate with handrail board slidable to be equipped with locking subassembly, can conveniently adjust the position of handrail board on the bottom plate, further make things convenient for the arm of different users to both can carry out effectual and comfortable support on the handrail board.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

fig. 2 is an enlarged schematic cross-sectional view of the structure at a in fig. 1.

Reference numerals illustrate: the lifting device comprises a base 1, a lifting rod 2, a bottom plate 3, a handrail plate 4, a sliding chute 5, a mounting cavity 6, a pressing block 7, a pressing rod 8, a first rack 9, a first spring 10, a first limiting block 11, a second limiting block 12, a rotating block 13, a fixed block 14, a mounting column 15, a second spring 16, a marble 17, a clamping groove 18, a guide hole 19, a guide column 20, a second rack 21, a gear 22, a third limiting block 23, a third spring 24, a rotating shaft 25, a knob 26, a first bar-shaped hole 27, a second bar-shaped hole 28 and a bolt 29.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

Examples:

as shown in fig. 1, an adjustable handrail comprises a base 1, a lifting rod 2, a bottom plate 3 and a handrail plate 4, wherein the lifting rod 2 is arranged in the base 1 in a sliding penetrating manner, a lifting component for driving the lifting rod 2 to slide is arranged on the lifting rod 2, a rotating component capable of enabling the bottom plate 3 to rotate relative to the lifting rod 2 is arranged between the top of the lifting rod 2 and the bottom of the bottom plate 3, and the handrail plate 4 is arranged on the bottom plate 3 in a sliding manner, and a locking component for locking the handrail plate 4 after sliding is arranged in the handrail plate 4.

As shown in fig. 1, the handrail plate 4 is internally provided with a mounting cavity 6 with an opening at the bottom, the locking component is arranged in the mounting cavity 6 and comprises a pressing block 7, a pressing rod 8, a first rack 9, a first spring 10, a first limiting block 11 and a second limiting block 12, the pressing block 7 is arranged at the top of the handrail plate 4 and vertically and downwards slidably penetrates into the mounting cavity 6, the pressing rod 8 is rotationally arranged in the mounting cavity 6, one end of the pressing rod is fixedly connected with the pressing block 7, the first rack 9 is fixedly arranged at the top of the bottom plate 3, the other end of the pressing rod 8 is spliced with the first rack 9, the top of the pressing rod 8 is fixedly provided with a first spring 10, the other end of the first spring 10 is fixedly arranged at the top of the inner side of the handrail plate 4, the first limiting block 11 is fixedly arranged at one end of the top of the bottom plate 3 and is positioned in the mounting cavity 6, and the second limiting block 12 is fixedly arranged at the other end of the top of the bottom plate 3 and is positioned in the mounting cavity 6.

As shown in fig. 1, two sides of the bottom of the handrail plate 4 are respectively provided with horizontal and parallel sliding grooves 5, and two sides of the bottom plate 3 are respectively and correspondingly arranged in the two sliding grooves 5 in a sliding manner.

When the length of the armrest plate 4 needs to be changed, a passenger holds the armrest plate 4 and presses the pressing block 7, the pressing block 7 presses one end of the pressing rod 8 downwards, the other end of the pressing rod 8 is lifted upwards, the plugging state of the pressing rod 8 and the first rack 9 is released, then the armrest plate 4 is slid, the sliding groove 5 at the bottom of the armrest plate 4 can slide at the top of the bottom plate 3 and slide in the length direction of the armrest plate 4, when the armrest plate is slid to be suitable for the arm placing length of the passenger, the pressing block 7 is lifted, then one end fixedly connected with the pressing rod 8 and the pressing block 7 is lifted upwards, the other end of the pressing rod 8 is pushed by the first spring 10 to restore the plugging state with the first rack 9 again, and the first limiting block 11 and the second limiting block 12 can prevent the excessive sliding of the armrest plate 4 on the bottom plate 3 and prevent the armrest plate 4 from being separated from the bottom plate 3.

As shown in fig. 1, the rotating assembly comprises a rotating block 13, a fixed block 14, two hollow mounting columns 15, two second springs 16, two marble 17, two groups of clamping grooves 18, guide holes 19 and guide columns 20, wherein the top of the rotating block 13 is fixedly arranged at the bottom of the bottom plate 3 and rotationally arranged on the fixed block 14, the bottom of the fixed block 14 is fixedly arranged at the top of the lifting rod 2, two mounting columns 15 are fixedly arranged at two opposite ends of the bottom of the rotating block 13, two second springs 16 are arranged in cavities of the two mounting columns 15 in a one-to-one correspondence manner, two marble 17 are fixedly arranged at the bottoms of the two second springs 16 and can vertically slide in the cavities of the mounting columns 15, two groups of clamping grooves 18 are distributed on the same circumference, the two groups of clamping grooves 18 are in one-to-one correspondence manner, the two marble 17 are used for being pushed along with the two second springs 16 and clamped in the corresponding two clamping grooves 18 in the two groups of clamping grooves 18, the guide columns 20 are fixedly arranged at the top of the fixed block 14, the rotating block 13 is provided with the guide holes 19, the guide columns 19 are arranged in the annular slide way and the annular slide way is rotatably arranged in the top of the fixed block 14, and the slide way is rotatably arranged in the annular slide way and the slide way is rotatably arranged in the bottom of the fixed block 13.

When the horizontal angle of the bottom plate 3 needs to be changed, a passenger holds the bottom plate 3 and rotates the bottom plate in the rotating direction, the rotating block 13 can perform circumferential rotation on the fixed block 14 through the matching of the circular ring and the slide way, when two marbles 17 are abutted with the clamping grooves 18 corresponding to one and the external force is applied to rotate the bottom plate 3, the marbles 17 are pushed out of the clamping grooves 18 and abut against the edge of the clamping grooves 18 under the action of the second springs 16, when the marbles 17 move to the other clamping grooves 18 and the external force is stopped, the marbles 17 are abutted with the clamping grooves 18 under the action of the second springs 16, the rotating positioning of the bottom plate 3 is realized, the rotating angle of the bottom plate 3 is changed, the guide posts 20 can perform circumferential rotation in the guide holes 19, and the matching of the two marbles can further realize the rotation of the bottom plate 13.

As shown in fig. 1, the lifting assembly comprises a second rack 21, a gear 22, two third limiting blocks 23 and two third springs 24, the lifting rod 2 is of a hollow structure, the second rack 21 is fixedly provided with a cavity vertically and fixedly arranged in the lifting rod 2, the base 1 is of a hollow structure and internally provided with a rotating shaft 25 in a penetrating way, the side edge of the base 1 is provided with a second strip-shaped hole 28, the second strip-shaped hole 28 is provided with a bolt 29 in a penetrating way, the bolt 29 horizontally extends towards the inside of the base 1 and penetrates into the lifting rod 2, the gear 22 is fixed on the rotating shaft 25, the gear 22 is meshed with the second rack 21, the lifting rod 2 is provided with a first vertical bar-shaped hole 27 on the side wall, the rotating shaft 25 passes through the first bar-shaped hole 27 and can slide relative to the first bar-shaped hole 27, two third limiting blocks 23 are fixedly arranged on the outer side of the bottom of the lifting rod 2, the third limiting blocks 23 are abutted with the inner wall of the base 1 and can vertically slide along the inner wall of the base 1, two second springs 16 are fixedly arranged at the tops of the two third limiting blocks 23 in one-to-one correspondence, two tops of the second springs 16 are fixedly arranged on the inner wall of the top of the base 1, and one end, which is positioned outside the base 1, of the rotating shaft 25 is fixedly provided with a knob 26 as shown in fig. 1.

When the up-down height of the armrest plate 4 needs to be changed, the bolt 29 is screwed out, then the occupant rotates the knob 26, the knob 26 drives the rotating shaft 25 to rotate, the rotating shaft 25 rotates to drive the gear 22 to rotate, the gear 22 rotates to drive the second rack 21 to vertically move up and down, the up-down movement of the second rack 21 can drive the lifting rod 2 to vertically move up and down, the rotating shaft 25 can vertically move in the first strip-shaped hole 27, after the height adjustment is completed, the bolt 29 is screwed in again, and the height of the lifting rod 2 can be locked.

Working principle:

the passenger places the arm on the handrail board 4, and when the upper and lower height of the handrail board 4 needs to be adjusted, the passenger starts the lifting assembly, and can adjust the handrail board 4 up and down to the height range suitable for the arm.

When the horizontal angle of the armrest plate 4 needs to be changed, a passenger holds the bottom plate 3 and rotates in the rotating direction, the rotating block 13 can perform circumferential rotation on the fixed block 14 through a slideway in the fixed block 14 during rotation, when two marbles 17 are abutted with corresponding clamping grooves 18 one by one and external force is applied to rotate the bottom plate 3, the marbles 17 are pushed out of the clamping grooves 18 and abut against the edge of the clamping grooves 18 under the action of the second springs 16, when the marbles 17 move to the other clamping grooves 18 and the external force is stopped, the marbles 17 are abutted with the clamping grooves 18 under the pushing action of the second springs 16, and the rotating positioning of the bottom plate 3 is realized, so that the rotating angle of the bottom plate 3 is changed, and at the moment, the guide posts 20 also perform circumferential rotation in the guide holes 19.

When the position of the armrest plate 4 needs to be changed, a passenger holds the armrest plate 4 and presses the pressing block 7, the pressing block 7 presses one end of the pressing rod 8 downwards, the other end of the pressing rod 8 is lifted upwards, the plugging state of the pressing rod 8 and the first rack 9 is released, then the armrest plate 4 is slid, the sliding groove 5 at the bottom of the armrest plate 4 can slide at the top of the bottom plate 3 and slide in the length direction of the armrest plate 4, when the armrest plate is slid to a length suitable for the arm placement of the passenger, the pressing block 7 is lifted, then one end fixedly connected with the pressing rod 8 and the pressing block 7 is lifted upwards, the other end of the pressing rod 8 is pushed by the first spring 10 to restore the plugging state with the first rack 9 again, and the first limiting block 11 and the second limiting block 12 can prevent the excessive sliding of the armrest plate 4 on the bottom plate 3 and prevent the armrest plate 4 from being separated from the bottom plate 3.

Claims

1. The utility model provides an adjustable handrail, includes base (1), lifter (2), bottom plate (3) and handrail board (4), its characterized in that, lifter (2) slip wears to locate in base (1) and be equipped with on lifter (2) and be used for driving lifter (2) gliding lifting unit, be equipped with between lifter (2) top and bottom plate (3) bottom and make bottom plate (3) relative lifter (2) pivoted rotating unit, handrail board (4) slip is located on bottom plate (3) and be equipped with in handrail board (4) and be used for locking subassembly after the handrail board (4) slides.

2. An adjustable armrest as set forth in claim 1, wherein: both sides of the bottom of the handrail plate (4) are provided with horizontal and parallel sliding grooves (5), and both sides of the bottom plate (3) are respectively arranged in the two sliding grooves (5) in a one-to-one corresponding sliding manner.

3. An adjustable armrest as set forth in claim 2, wherein: the utility model provides a handrail board, has offered bottom open-ended installation cavity (6) in handrail board (4), in installation cavity (6) are located to locking subassembly, locking subassembly includes briquetting (7), presses pole (8), first rack (9), first spring (10), first stopper (11) and second stopper (12), in handrail board (4) top and vertical slidable ground go deep into installation cavity (6) are located to briquetting (7), press pole (8) rotation to locate in installation cavity (6) and one end and briquetting (7) fixed connection, the other end of pressing pole (8) is pegged graft with first rack (9) and is equipped with first spring (10) pressing pole (8) top is fixed, the other end of first spring (10) is fixed to be located handrail board (4) inboard top, the one end at bottom plate (3) top is located installation cavity (6) are located to first stopper (11) fixed, the other end of bottom plate (3) fixed to be located installation cavity (6) are located at bottom plate (12) top.

4. An adjustable armrest as claimed in claim 3, wherein: the rotary assembly comprises a rotary block (13), a fixed block (14), two hollow mounting columns (15), two second springs (16), two marble (17), two groups of clamping grooves (18), a guide hole (19) and a guide column (20), wherein the top of the rotary block (13) is fixedly arranged at the bottom of a bottom plate (3) and rotationally arranged on the fixed block (14), the bottom of the fixed block (14) is fixedly arranged at the top of a lifting rod (2), two mounting columns (15) are fixedly arranged at two opposite ends of the bottom of the rotary block (13), two second springs (16) are arranged in cavities of the two mounting columns (15) in a one-to-one correspondence manner, two marble (17) are fixedly arranged at the bottom of the two second springs (16) and can vertically slide in the cavities of the mounting columns (15), two groups of clamping grooves (18) are distributed on the same circumference, the two groups of clamping grooves (18) are in one-to-one correspondence, the two marble (17) are used for being clamped in the two groups of clamping grooves (18) along with the two second springs (16) and are correspondingly arranged in the two clamping grooves (18), and the guide column (19) is arranged in the guide column (20).

5. An adjustable armrest as set forth in claim 4, wherein: the lifting assembly comprises a second rack (21), a gear (22), two third limiting blocks (23) and two third springs (24), wherein the lifting rod (2) is of a hollow structure, the second rack (21) is fixedly arranged in a cavity of the lifting rod (2) in a vertical fixing mode, the base (1) is of a hollow structure and internally provided with a rotating shaft (25) in a penetrating mode, the gear (22) is fixed on the rotating shaft (25), the gear (22) is meshed with the second rack (21), vertical first strip-shaped holes (27) are formed in the side wall of the lifting rod (2), the rotating shaft (25) penetrates through the first strip-shaped holes (27) and can slide relative to the first strip-shaped holes (27), the two third limiting blocks (23) are fixedly arranged on the outer sides of the bottom of the lifting rod (2), the third limiting blocks (23) are in butt joint with the inner walls of the base (1) and can vertically slide along the inner walls of the base (1), the two second springs (16) are fixedly arranged at the tops of the two third limiting blocks (23), and the tops of the two third limiting blocks (16) are fixedly arranged on the tops of the first limiting blocks (1).

6. An adjustable armrest as set forth in claim 5, wherein: one end of the rotating shaft (25) positioned outside the base (1) is fixedly provided with a knob (26).