CN210329988U

CN210329988U - Detachable folding chair armrest

Info

Publication number: CN210329988U
Application number: CN201920506559.XU
Authority: CN
Inventors: 陈丽萍; 陈国民
Original assignee: Zhenli Zhangzhou Industry And Trade Co ltd
Current assignee: Zhenli Zhangzhou Industry And Trade Co ltd
Priority date: 2019-04-15
Filing date: 2019-04-15
Publication date: 2020-04-17
Anticipated expiration: 2029-04-15

Abstract

The utility model relates to a multi-functional furniture technical field just discloses a detachable folding chair handrail, including the handrail, the guide rail has been seted up to the inner wall of handrail, the inner wall fixedly connected with limiting plate of handrail, the equal sliding connection of both sides inner wall of guide rail has T type slider, two the other end sliding connection of T type slider has the fixed plate, the inner wall swing joint of fixed plate has the screw thread post, two T type slider runs through the fixed plate and with screw thread post fixed connection, two the middle part activity of screw thread post has cup jointed the first gear that cup joints. The utility model discloses an offer the guide rail inside the handrail, again through at guide rail inner wall installation T type slider, accessible T type slider drives the inboard fixed plate of handrail and slides, and then the slip handrail can reach the change to the handrail position, reaches the regulation of handrail, has effectually improved this detachable folding chair's comfort level, can carry out different regulations according to the personnel of different sizes.

Description

Detachable folding chair armrest

Technical Field

The utility model relates to a multifunctional furniture technical field specifically is a detachable folding chair handrail.

Background

The folding chair is light and can be folded, is convenient to move and saves space, is originally used for military use, and is commonly used in various training institutions, schools at all levels, public places, hospitals, restaurants, hotels, companies, families and other places.

Most of the armrests of the existing detachable folding chair are fixed in position, and the positions of the armrests cannot be changed when the detachable folding chair is used due to the fact that the height and the weight of a human body are different, so that the comfort level of a user is not high when the detachable folding chair is used, and therefore the detachable armrest of the foldable chair is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a detachable folding chair handrail possesses the position that can change the handrail to reach the advantage of better comfort level, solved the problem that current detachable folding chair handrail position is not convenient for change.

The utility model provides a following technical scheme: a detachable folding chair armrest comprises an armrest, wherein a guide rail is arranged on the inner wall of the armrest, a limiting plate is fixedly connected to the inner wall of the armrest, T-shaped sliders are respectively and slidably connected to the inner walls of two sides of the guide rail, a fixing plate is slidably connected to the other end of each of the two T-shaped sliders, a threaded column is movably connected to the inner wall of the fixing plate, the two T-shaped sliders penetrate through the fixing plate and are fixedly connected with the threaded column, a first sleeve gear is movably sleeved at the middle of each of the two threaded columns, a second sleeve gear is movably connected to the outer edge of each of the two first sleeve gears, a first adjusting screw is movably sleeved in the inner cavity of each of the two second sleeve gears, the other end of each first adjusting screw is movably sleeved at the bottom of the inner cavity of the fixing plate, a first adjusting gear is movably sleeved in the middle of each of the two first adjusting screws, a second adjusting gear, two second adjusting gear's inner chamber activity has cup jointed the second adjusting screw, first gear has been cup jointed in the middle part activity of second adjusting screw, the second gear has been cup jointed along the activity outward of first gear, the fixed knob that has cup jointed of inner chamber of second gear, two fixed columns of bottom fixedly connected with of fixed plate, two the middle part of fixed column is rotated and is connected with the pivot, the spacing post of both ends fixedly connected with of pivot, the one end fixedly connected with baffle of spacing post, the left side fixedly connected with support column of handrail, the regulating block has been cup jointed in the outer wall activity of support column, the outer wall of support column meshes with the inner wall of regulating block mutually.

Preferably, the limiting column penetrates through the fixing column and is fixedly connected with one side of the baffle.

Preferably, the first socket gear and the second socket gear are the same in size and are meshed with each other, the first adjusting gear and the second adjusting gear are the same in size and are meshed with each other, and the first gear and the second gear are the same in size and are meshed with each other.

Preferably, the total length of the two threaded columns is smaller than the length of the fixing plate.

Preferably, the two fixing posts are symmetrically distributed at the bottom of the fixing plate.

Preferably, the number of the limiting plates is multiple, and the distance between the two limiting plates is matched with the width value of the T-shaped sliding block.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this detachable folding chair handrail through seting up the guide rail in handrail inside, again through at guide rail inner wall installation T type slider, accessible T type slider drives the inboard fixed plate of handrail and slides, and then slides the handrail, can reach the change to the handrail position, reaches the regulation of handrail, and the effectual comfort level that improves this detachable folding chair can carry out different regulations according to the personnel of different sizes.

2. This detachable folding chair handrail through at a plurality of screw thread posts of fixed plate internally mounted and gear, through the combination of a plurality of gears and a plurality of screw thread post, rotatory knob drives the gear by the knob, and the gear drives the screw thread post, can make T type slider card go into the limiting plate, and then makes the handrail fixed, prevents that the handrail from continuing to slide after adjusting, has further improved the comfort level of user when using.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the utility model at A;

FIG. 3 is an enlarged view of the position B of the present invention;

FIG. 4 is an overall view of the present invention;

fig. 5 is a schematic view of the joint between the adjusting block and the supporting pillar of the present invention.

In the figure: 1. a handrail; 2. a fixing plate; 3. a rotating shaft; 4. fixing a column; 5. a limiting column; 6. a baffle plate; 7. A limiting plate; 8. a T-shaped slider; 9. a guide rail; 10. a threaded post; 11. a knob; 12. a first socket gear; 13. a second socket gear; 14. a first adjusting screw; 15. a first adjusting gear; 16. a second adjusting gear; 17. a second adjusting screw; 18. a first gear; 19. a second gear; 20. a support pillar; 21. and a regulating block.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a detachable armrest of a folding chair comprises an armrest 1, a guide rail 9 is disposed on an inner wall of the armrest 1, a plurality of limiting plates 7 are fixedly connected to an inner wall of the armrest 1, a distance between two limiting plates 7 is matched with a width value of a T-shaped slider 8, T-shaped sliders 8 are slidably connected to inner walls of two sides of the guide rail 9, fixing plates 2 are slidably connected to other ends of the two T-shaped sliders 8, the guide rail 9 is disposed inside the armrest 1, the T-shaped slider 8 is mounted on an inner wall of the guide rail 9, the fixing plates 2 inside the armrest 1 can be driven by the T-shaped slider 8 to slide, and the armrest 1 can be slid to change a position of the armrest 1, so as to adjust the armrest 1, effectively improve comfort of the detachable folding chair, and perform different adjustments according to people with different body sizes, the inner wall of the fixed plate 2 is movably connected with a threaded column 10, the total length of the two threaded columns 10 is smaller than that of the fixed plate 2, two T-shaped sliders 8 penetrate through the fixed plate 2 and are fixedly connected with the threaded column 10, the middle parts of the two threaded columns 10 are movably sleeved with a first sleeved gear 12, the first sleeved gear 12 and a second sleeved gear 13 are the same in size and are meshed with each other, a first adjusting gear 15 and a second adjusting gear 16 are the same in size and are meshed with each other, a first gear 18 and a second gear 19 are the same in size and are meshed with each other, the outer edges of the two first sleeved gears 12 are movably connected with the second sleeved gear 13, the inner cavities of the two second sleeved gears 13 are movably sleeved with first adjusting screws 14, the other ends of the first adjusting screws 14 are movably sleeved with the bottom of the inner cavity of the fixed plate 2, the middle parts of the two first adjusting screws 14 are movably sleeved with the first adjusting gears 15, the outer edges of the two first adjusting gears 15 are movably sleeved with second adjusting gears 16, the inner cavities of the two second adjusting gears 16 are movably sleeved with second adjusting screws 17, the middle parts of the second adjusting screws 17 are movably sleeved with first gears 18, the outer edges of the first gears 18 are movably sleeved with second gears 19, the inner cavities of the second gears 19 are fixedly sleeved with knobs 11, a plurality of threaded columns and gears are installed inside the fixing plate, the knobs 11 are rotated through the combination of the plurality of gears and the plurality of threaded columns 10, the gears are driven by the knobs 11, the threaded columns 10 are driven by the gears, the T-shaped sliding blocks 8 can be clamped into the limiting plate 7, the handrails 1 are fixed, the continuous sliding of the handrails 1 after adjustment is prevented, the comfort degree of users during use is further improved, the bottom of the fixing plate 2 is fixedly connected with two fixing columns 4, the two fixing columns 4 are distributed at the bottom of the fixing plate 2 in a symmetrical mode, the middle part of two fixed columns 4 rotates and is connected with pivot 3, and the spacing post 5 of the both ends fixedly connected with of pivot 3, spacing post 5 run through the fixed column 4 and with one side fixed connection of baffle 6, spacing post 5's one end fixedly connected with baffle 6, the left side fixedly connected with support column 20 of handrail 1, the regulating block 21 has been cup jointed in the outer wall activity of support column 20, the outer wall of support column 20 meshes with the inner wall of regulating block 21 mutually, and the device is fixed spacingly owing to the height of adjusting the cushion and to the cushion, prevents that its cushion from skidding and connecting unstably, and the device has improved the holistic stability of chair and fixity.

The working principle is that the armrest 1 is slid to enable the T-shaped sliding block 8 to reach a required position inside the armrest 1, the knob 11 is rotated again to enable the knob 11 to drive the second gear 19 to rotate, the second gear 19 drives the first gear 18 to rotate, the first gear 18 drives the second adjusting screw 17 to rotate, the second adjusting screw 17 drives the two second adjusting gears 16 to rotate, the second adjusting gear 16 drives the first adjusting gear 15 to rotate, the first adjusting gear 15 drives the first adjusting screw 14 to rotate, the first adjusting screw 14 drives the second sleeve gear 13 to rotate, the second sleeve gear 13 drives the first sleeve gear 12 to rotate, the first sleeve gear 12 drives the threaded column 10 to move, the threaded column 10 drives the T-shaped sliding block 8 to move, and when the T-shaped sliding block 8 is clamped between the two limiting plates 7, the T-shaped sliding block can be obtained.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A detachable folding chair armrest comprises an armrest (1), and is characterized in that: the inner wall of the handrail (1) is provided with a guide rail (9), the inner wall of the handrail (1) is fixedly connected with a limiting plate (7), the inner walls of two sides of the guide rail (9) are all connected with T-shaped sliders (8) in a sliding manner, the other ends of the two T-shaped sliders (8) are connected with a fixed plate (2) in a sliding manner, the inner wall of the fixed plate (2) is movably connected with threaded columns (10), the two T-shaped sliders (8) penetrate through the fixed plate (2) and are fixedly connected with the threaded columns (10), the middle parts of the two threaded columns (10) are movably sleeved with first sleeved gears (12), the outer edges of the two first sleeved gears (12) are movably connected with second sleeved gears (13), the inner cavities of the two second sleeved gears (13) are movably sleeved with first adjusting screws (14), and the other ends of the first adjusting screws (14) are movably sleeved with the bottom of the inner cavity of, the middle parts of the two first adjusting screws (14) are movably sleeved with first adjusting gears (15), the outer edges of the two first adjusting gears (15) are movably sleeved with second adjusting gears (16), inner cavities of the two second adjusting gears (16) are movably sleeved with second adjusting screws (17), the middle parts of the second adjusting screws (17) are movably sleeved with first gears (18), the outer edges of the first gears (18) are movably sleeved with second gears (19), inner cavities of the second gears (19) are fixedly sleeved with knobs (11), the bottom of the fixing plate (2) is fixedly connected with two fixing columns (4), the middle parts of the two fixing columns (4) are rotatably connected with rotating shafts (3), two ends of the rotating shafts (3) are fixedly connected with limiting columns (5), one ends of the limiting columns (5) are fixedly connected with baffle plates (6), the left side fixedly connected with support column (20) of handrail (1), regulating block (21) has been cup jointed in the outer wall activity of support column (20), the outer wall of support column (20) meshes with the inner wall of regulating block (21) mutually.

2. A detachable armrest for a folding chair as claimed in claim 1, wherein: the limiting column (5) penetrates through the fixing column (4) and is fixedly connected with one side of the baffle (6).

3. A detachable armrest for a folding chair as claimed in claim 1, wherein: the first socket gear (12) and the second socket gear (13) are the same in size and are meshed with each other, the first adjusting gear (15) and the second adjusting gear (16) are the same in size and are meshed with each other, and the first gear (18) and the second gear (19) are the same in size and are meshed with each other.

4. A detachable armrest for a folding chair as claimed in claim 1, wherein: the total length value of the two threaded columns (10) is smaller than the length value of the fixing plate (2).

5. A detachable armrest for a folding chair as claimed in claim 1, wherein: the two fixing columns (4) are distributed at the bottom of the fixing plate (2) in a symmetrical mode.

6. A detachable armrest for a folding chair as claimed in claim 1, wherein: the number of the limiting plates (7) is multiple, and the distance between the two limiting plates (7) is matched with the width value of the T-shaped sliding block (8).