CN215347905U - Chair armrest convenient to adjust - Google Patents

Abstract

The application relates to a chair armrest convenient to adjust, which is arranged on two sides of a chair; the chair comprises a support column, wherein an inserted bar is matched on the support column in a sliding manner along the length direction of the support column, a connecting plate for connecting the inserted bar and a chair is arranged at the lower end of the inserted bar, and a clamping piece for limiting the position of the inserted bar is arranged on the support column; the upper end of the supporting column is obliquely provided with a mounting seat, and one side of the mounting seat, which is away from the supporting column, is provided with a handrail. This application has the high regulation of handrail according to the position of sitting of reality, improves the effect of comfort level.

Description

Chair armrest convenient to adjust

Technical Field

The application relates to the field of furniture, in particular to a chair armrest convenient to adjust.

Background

At present, a chair is a seat for daily life and office work, and is generally provided with a backrest and armrests; the armrest is a bar or a handle of the chair for keeping the user's body balanced or supporting the body, and the user may place his or her arms on the armrest, thereby improving the comfort of the chair.

In the related art, armrests are generally fixed to both sides of a chair by means of brackets and screws.

With respect to the related art in the above, the inventors consider that: according to the difference of user's height and actual position of sitting, let people's arm feel comfortable height also different, the position of handrail is comparatively fixed in the correlation technique, is difficult to adjust according to the demand of reality, and the comfort level is relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to adjust the height of handrail according to actual position of sitting, improve the comfort level, this application provides a chair handrail convenient to adjust.

The application provides a chair handrail convenient to adjust adopts following technical scheme:

a chair armrest convenient to adjust is arranged on two sides of a chair; the chair comprises a support column, wherein an inserted bar is matched on the support column in a sliding manner along the length direction of the support column, a connecting plate for connecting the inserted bar and a chair is arranged at the lower end of the inserted bar, and a clamping piece for limiting the position of the inserted bar is arranged on the support column; the upper end of the supporting column is obliquely provided with a mounting seat, and one side of the mounting seat, which is away from the supporting column, is provided with a handrail.

Through adopting above-mentioned technical scheme, when user's height is different or sit on the chair with the position of sitting of difference, can open joint spare, then stimulate the support column, relative slip takes place for support column and inserted bar to change the height of handrail, then use joint spare to make support column and inserted bar remain stable. Through setting up the complex support column and the inserted bar that slide, can adjust the handrail height according to the height that the user is different and position of sitting to improve the comfort level.

Optionally, the support column is hollow, an opening is formed in the lower end of the support column, the inserted rod is inserted into the support column, an insertion hole is formed in the support column, a plurality of clamping grooves distributed along the length direction of the inserted rod are formed in the inserted rod, each clamping piece comprises a clamping head, and the clamping head penetrates through the insertion hole and is inserted into the clamping groove.

By adopting the technical scheme, when a user sits on the chair with different heights or different sitting postures, the clamping head is pulled out of the clamping groove, then the support column is pulled to change the height of the armrest, and after the armrest is adjusted to a proper height, the clamping head penetrates through the jack and is inserted into the clamping groove, so that the support column and the inserted rod are kept stable; through setting up joint and joint groove, improve the convenience to handrail altitude mixture control.

Optionally, the cross section of the inserted rod is polygonal, and the inner cavity of the supporting column is matched with the inserted rod.

Through adopting above-mentioned technical scheme, can restrict the position of inserted bar in the support column, prevent the inserted bar rotation to keep the stability of joint trench position, improve the convenience of adjusting the handrail height.

Optionally, the clamping piece further comprises an installation piece, a clamping head and a pressing head; the mounting piece is attached to the surface of the support column, and the clamping joint is arranged on one surface, facing the support column, of the mounting piece; the utility model discloses a press head, including mounting piece, clamping head, go up the mounting piece and be provided with the go-between, the press head sets up in the one end that the clamping head was kept away from to the mounting piece, the press head orientation deviates from the direction perk of support column lie in on the mounting piece and be provided with the go-between press head and the clamping head, go-between and support column normal running fit.

By adopting the technical scheme, when a user adjusts the height of the handrail, the pressing head is pressed towards the direction of the supporting column, the mounting sheet rotates by taking the connecting ring as a fulcrum, so that the clamping head moves towards the direction deviating from the clamping groove to exit from the clamping groove, and then the supporting column can be pulled to adjust the height of the handrail; after the height of the handrail is adjusted, the clamping joint is pressed towards the clamping groove, so that the clamping joint is inserted into the clamping groove, and the positions of the support column and the insertion rod are limited; through setting up installation piece, press head and go-between, can further improve the convenience of adjusting handrail height.

Optionally, an elastic sheet for driving the clamping head to move towards the clamping groove is arranged in the supporting column.

By adopting the technical scheme, after the armrest is adjusted to a proper height, the pressing head is loosened, and the clamping head is pushed to move towards the clamping groove direction under the action of the elastic sheet to be inserted into the clamping groove; through setting up the flexure strip, further improve the convenience of adjusting handrail height.

Optionally, a connection hole is formed in the support pillar, the connection ring is inserted into the connection hole, and the elastic sheet includes a first structure portion having an extension direction the same as that of the mounting sheet, a second structure portion fixedly connected to the pressing head, and a connection portion for connecting the first structure portion and the second structure portion; the first structure part is arranged in the connecting hole in a penetrating way; the connecting part protrudes towards the direction of the inserted link.

Through adopting above-mentioned technical scheme, can accomplish fixing between installation piece and the support column through the flexure strip, when using the go-between to press the press head as the direction of fulcrum orientation support column, can make the joint head move towards the direction that deviates from the support column, the joint head withdraws from the joint groove, first structural part is fixed motionless, second structural part is along with the press head motion, elastic deformation takes place for connecting portion, connecting portion drive joint moves towards the direction of support column after the pine is handed, thereby make joint head joint groove of joint card income.

Optionally, the mounting seat is in running fit with the support column.

Through adopting above-mentioned technical scheme, the user can adjust the angle of handrail according to the difference of position of sitting, further improves the comfort level of handrail.

Optionally, a fixed seat is arranged at one end of the support column, which is far away from the connecting plate, an embedding groove is arranged on the mounting seat, and the fixed seat is embedded in the embedding groove and is in rotating fit with the embedding groove; a limiting ring is convexly arranged on the bottom surface of the caulking groove, a fixed groove is formed in the fixed seat, the limiting ring is positioned in the fixed groove and is in rotating fit with the fixed groove, a plurality of limiting grooves which are arranged in an arc shape are formed in the outer wall of the limiting ring by taking the axis of the limiting ring as the center, and a limiting part is arranged in the fixed groove; the locating part includes spacing post and is used for driving the spacing post towards the elastic block of spacing groove motion, spacing post is the arc surface and inlays and locate in the spacing groove towards the one side of spacing groove.

Through adopting above-mentioned technical scheme, when the angle to the handrail is adjusted, fixing base and mount pad take place relative rotation, drive the spacing ring at the fixed slot internal rotation, because spacing post is the arc surface towards the one side of spacing groove, the cambered surface of spacing post is extrudeed to the lateral wall of spacing groove can apply a component that deviates from the spacing groove direction towards spacing post, extrude spacing post from the spacing groove, when spacing post corresponds with another spacing groove, spacing post embedding is in another spacing groove under the effect of elastic block. Through setting up locating part and spacing groove, can carry out real-time location to the handrail when adjusting handrail angle, improve the stability of handrail, further improve the comfort level.

Optionally, be provided with the mounting groove on the inner wall of fixed slot, the elastic block is arranged in the mounting groove, spacing post is towards the one side protrusion mounting groove opening of spacing groove.

Through adopting above-mentioned technical scheme, the mounting groove can restrict and guide the deformation of elastic block and the slip of spacing post, improves the stability and the smoothness degree that spacing post slided to play better regulation positioning action.

Optionally, the central point of caulking groove bottom surface puts the protrusion and is provided with spacing pivot, has seted up the shaft hole on the fixing base, spacing pivot wear to locate in the shaft hole and with shaft hole normal running fit the fixing base deviates from and is provided with curved retaining groove on the terminal surface of mount pad one end the retaining groove complex of sliding has the dog, the dog is connected with spacing pivot.

Through adopting above-mentioned technical scheme, when adjusting the angle of handrail, relative rotation takes place for fixing base and mount pad to drive spacing pivot at the shaft hole internal rotation, spacing pivot drives the dog at the fender inslot internal rotation, thereby can restrict the turned angle of handrail according to the radian that keeps off the groove, improves handrail pivoted stability.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the height of the handrail can be adjusted according to different heights and sitting postures of users by arranging the support columns and the inserted rods which are in sliding fit, so that the comfort level is improved;

2. the convenience of adjusting the height of the handrail is improved by arranging the clamping head and the clamping groove;

3. the installation sheet, the pressing head and the connecting ring are arranged, so that the convenience of adjusting the height of the handrail can be further improved;

4. by arranging the limiting piece and the limiting groove, the handrail can be positioned in real time while the angle of the handrail is adjusted, the stability of the handrail is improved, and the comfort level is further improved;

5. through setting up pivot, fender groove and dog, can restrict the turned angle of handrail according to the radian in fender groove, improve handrail pivoted stability.

Drawings

FIG. 1 is a schematic view of an adjustable chair armrest according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a clip in the embodiment of the present application;

FIG. 3 is a schematic structural view of the elastic piece engaged with the pressing head and the mounting piece in the embodiment of the present application;

FIG. 4 is a schematic structural diagram of the embodiment of the present application illustrating the engagement between the fixing base and the mounting base and the supporting post;

FIG. 5 is a schematic structural diagram of a mounting base in an embodiment of the present application;

fig. 6 is a schematic structural view illustrating the engagement between the limiting element and the fixing base in the embodiment of the present application;

fig. 7 is a schematic structural diagram of the mounting ring and the retaining groove in the embodiment of the application.

Description of reference numerals: 1. a support pillar; 10. a pressing port; 11. connecting holes; 12. a jack; 13. a yielding groove; 2. inserting a rod; 20. a clamping groove; 3. a connecting plate; 4. a clamping piece; 40. mounting a sheet; 41. a clamping head; 42. a pressing head; 43. a connecting ring; 44. an elastic sheet; 440. a first structure portion; 441. a second structure portion; 442. a connecting portion; 5. a mounting seat; 50. caulking grooves; 51. a limiting rotating shaft; 52. a limiting ring; 520. a limiting groove; 6. a handrail; 7. a fixed seat; 70. a shaft hole; 71. fixing grooves; 710. mounting grooves; 72. a baffle groove; 73. a mounting ring; 730. a stopper; 8. a limit bolt; 9. a limiting member; 90. an elastic block; 91. a limiting column.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses chair handrail convenient to adjust sets up the both sides at the chair. Referring to fig. 1 and 2, the chair armrest convenient to adjust comprises a support column 1, an inserted link 2 is slidably fitted on the support column 1 along the length direction of the support column 1, a connecting plate 3 for connecting the inserted link 2 with a chair is arranged at the lower end of the inserted link 2, and a clamping member 4 for limiting the position of the inserted link 2 is arranged on the support column 1; the upper end of the support column 1 is obliquely provided with a mounting seat 5, and one side of the mounting seat 5 departing from the support column 1 is provided with a handrail 6.

Referring to fig. 2 and 3, the support column 1 is hollow and has an opening at the lower end, the inserted link 2 is inserted into the support column 1, in order to keep the stability of the inserted link 2, the section of the inserted link 2 is rectangular, and the inner cavity of the support column 1 is matched with the inserted link 2; the connecting plate 3 and the inserted bar 2 are integrally cast and formed and are arranged in an L shape with the inserted bar 2, so that the connecting plate 3 and the chair can be conveniently connected and fixed; offer a plurality of joint grooves 20 of arranging along 2 length direction of inserted bar on inserted bar 2, 4 one ends of joint spare penetrate in the support column 1 with the cooperation of joint groove 20 joint.

A pressing opening 10 communicated with a cavity inside the supporting column 1 is formed in the supporting column 1, a connecting hole 11 is formed in the supporting column 1 below the pressing opening 10, and an inserting hole 12 is formed in the supporting column 1 below the connecting hole 11; the clamping piece 4 comprises an installation piece 40 attached to the surface of the support column 1, a clamping head 41 is fixedly connected to the lower side of one surface, facing the support column 1, of the installation piece 40, and the clamping head 41 penetrates through the jack 12 to be in inserted fit with the clamping groove 20; a pressing head 42 is fixedly connected to a position, corresponding to the pressing port 10, of one end, away from the clamping head 41, of the mounting piece 40, and the pressing head 42 tilts towards a direction away from the supporting column 1; a connecting ring 43 is fixedly connected between the pressing head 42 and the clamping head 41 on the mounting sheet 40, the connecting ring 43 is inserted into the connecting hole 11, the width of the connecting hole 11 is larger than that of the connecting ring 43, so that the connecting ring 43 can freely move up and down in the connecting hole 11, and when the pressing head 42 is pressed towards the direction of the support column 1 by taking the connecting ring 43 as a fulcrum, the clamping head 41 can move towards the direction deviating from the support column 1, so that the clamping head 41 exits from the clamping groove 20; an elastic piece 44 for driving the snap joint 41 to move towards the snap groove 20 is arranged inside the support column 1.

The elastic piece 44 includes a first structure portion 440 extending in the same direction as the mounting piece 40, a second structure portion 441 fixed to the pressing head 42, and a connecting portion 442 connecting the first structure portion 440 and the second structure portion 441, and the first structure portion 440, the second structure portion 441, and the connecting portion 442 are integrally cast; first structure portion 440 wears to locate in the go-between 43 and in the laminating of the inner wall of support column 1, connecting portion 442 is towards the direction protrusion of inserted bar 2, can accomplish fixing between installation piece 40 and the support column 1 through flexure strip 44, when using go-between 43 as the fulcrum to press the press head 42 towards the direction of support column 1, can make joint 41 move towards the direction that deviates from support column 1, joint 41 withdraws from joint groove 20, first structure portion 440 is fixed motionless, second structure portion 441 moves along with press head 42, connecting portion 442 takes place elastic deformation, connecting portion 442 drives joint 41 and moves towards the direction of support column 1 after loosening hand, thereby make joint 41 block into joint groove 20. In order to improve the flatness of the surface of the supporting column 1, the yielding groove 13 is formed in the supporting column 1 at a position corresponding to the mounting piece 40, and the mounting piece 40 is embedded in the yielding groove 13.

In order to adjust the angle of the handrail 6, referring to fig. 4, a fixing seat 7 is convexly arranged at one end of the supporting column 1, which is far away from the connecting plate 3, and the fixing seat 7 and the supporting column 1 can be fixed by bolts; set up annular caulking groove 50 towards the one side of bracing piece at mount pad 5, fixing base 7 inlays to be located in caulking groove 50 and with 50 normal running fit of caulking groove, the central point of 50 bottom surfaces in caulking groove puts the protrusion and is provided with spacing pivot 51, shaft hole 70 has been seted up on fixing base 7, spacing pivot 51 peg graft in shaft hole 70 and with shaft hole 70 normal running fit, the one end that deviates from fixing base 7 at spacing pivot 51 is provided with stop bolt 8, stop bolt 8 passes shaft hole 70 and 51 spiro union of spacing pivot, the diameter of the 8 big ends of stop bolt is greater than the diameter in shaft hole 70, thereby restrict the position of spacing pivot 51.

In order to limit the rotation angle of the installation seat 5, referring to fig. 5 and 6, a limiting ring 52 is convexly disposed on the bottom surface of the caulking groove 50, the circle centers of the limiting ring 52 and the caulking groove 50 coincide, a fixing groove 71 is disposed on a surface of the fixing seat 7 facing away from the support column 1, the limiting ring 52 is located in the fixing groove 71 and is in running fit with the fixing groove 71, an installation groove 710 is disposed on the inner wall of the fixing groove 71, and a limiting member 9 is disposed in the installation groove 710.

The limiting member 9 includes an elastic block 90 and a limiting post 91, the elastic block 90 may be made of rubber, in other embodiments, the elastic block 90 may be replaced by any elastic material such as a spring and an elastic sheet 44, and the elastic block 90 is adhered and fixed to the bottom surface of the mounting groove 710; spacing post 91 rigid coupling is in the elastic block 90 towards the one side of spacing ring 52, and the axis of spacing post 91 is parallel with the axis of spacing pivot 51 and the notch of one side protrusion mounting groove 710, uses the axis of spacing ring 52 as the center to set up the spacing groove 520 that a plurality of arcs were arranged on the outer wall of spacing ring 52, and the part of spacing post 91 protrusion fixed slot 71 inner wall just inlays with spacing groove 520 adaptation and locates in spacing groove 520.

In order to limit the rotation angle of the mounting seat 5, referring to fig. 7, two blocking grooves 72 are formed in the end surface of the fixing seat 7, which is away from one end of the mounting seat 5, the blocking grooves 72 are arc-shaped and take the shaft hole 70 as the center of a circle, the radian of the blocking grooves 72 can be set according to the actual situation, in the embodiment, the radian of the blocking grooves 72 is 90 °, and the two blocking grooves 72 are symmetrically arranged; the embedded collar 73 that is equipped with and 70 normal running fit in shaft hole 70, the one end that collar 73 deviates from fixing base 7 is worn out shaft hole 70 and is located outside the week, and the protrusion is provided with dog 730 on the side of collar 73, and dog 730 inlays to be located in keeping off groove 72 and with keeping off groove 72 sliding fit, and the big end of stop bolt 8 deviates from the one side butt of fixing base 7 with collar 73.

The implementation principle of the chair armrest convenient to adjust in the embodiment of the application is as follows: when the height of the chair needs to be adjusted due to different heights or different sitting postures of a user, the pressing head 42 is pressed towards the direction of the supporting column 1, the mounting piece 40 rotates by taking the connecting ring 43 as a fulcrum, the clamping head 41 moves towards the direction departing from the supporting column 1, the clamping head 41 exits from the clamping groove 20, the first structure portion 440 is fixed and fixed, the second structure portion 441 moves along with the pressing head 42, the connecting portion 442 elastically deforms, then the supporting column 1 is pulled, the supporting column 1 and the inserting rod 2 relatively slide, the height of the armrest 6 is changed, the pressing head 42 is loosened, the connecting portion 442 drives the clamping head 41 to move towards the direction of the supporting column 1, the clamping head 41 is clamped into the clamping groove 20, the supporting column 1 and the inserting rod 2 are kept stable, and the armrest 6 is kept stable.

When a user needs to adjust the angle of the handrail 6 according to different sitting postures, the handrail 6 is rotated, the fixed seat 7 and the mounting seat 5 relatively rotate to drive the limiting ring 52 to rotate in the fixed groove 71, because one surface of the limiting column 91 facing the limiting groove 520 is an arc surface, the arc surface of the limiting column 91 extruded by the side wall of the limiting groove 520 applies a component force to the limiting column 91 in a direction deviating from the direction of the limiting groove 520, the limiting column 91 is extruded into the mounting groove 710 from the limiting groove 520, and when the limiting column 91 corresponds to another limiting groove 520, the limiting column 91 is embedded into the other limiting groove 520 under the action of the elastic block 90, so that the handrail 6 can be positioned in real time while the angle of the handrail 6 is adjusted, and the stability of the handrail 6 is improved; when the angle of the handrail 6 is adjusted, the fixed seat 7 and the mounting seat 5 rotate relatively to drive the limit rotating shaft 51 to rotate in the shaft hole 70, and the limit rotating shaft 51 drives the stop block 730 to rotate in the stop groove 72, so that the rotating angle of the handrail 6 can be limited according to the radian of the stop groove 72, and the rotating stability of the handrail 6 is improved. To sum up, through setting up the complex support column 1 that slides and inserted bar 2, can highly adjust 6 armrests according to user's different height and position of sitting to improve the comfort level.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A chair armrest convenient to adjust is arranged on two sides of a chair; the method is characterized in that: the chair support comprises a support column (1), wherein an inserted rod (2) is matched on the support column (1) in a sliding manner along the length direction of the support column (1), a connecting plate (3) used for connecting the inserted rod (2) with a chair is arranged at the lower end of the inserted rod (2), and a clamping piece (4) used for limiting the position of the inserted rod (2) is arranged on the support column (1); the upper end of the supporting column (1) is obliquely provided with a mounting seat (5), and one side of the mounting seat (5) departing from the supporting column (1) is provided with a handrail (6).

2. An adjustable chair armrest according to claim 1, wherein: the support column is characterized in that the support column (1) is hollow, an opening is formed in the lower end of the support column, the inserted bar (2) is inserted into the support column (1), an insertion hole (12) is formed in the support column (1), a plurality of clamping grooves (20) are formed in the inserted bar (2) in the length direction of the inserted bar (2), the clamping piece (4) comprises a clamping connector (41), and the clamping connector (41) penetrates through the insertion hole (12) to be inserted into the clamping grooves (20).

3. An adjustable chair armrest according to claim 2, wherein: the cross section of the inserted bar (2) is polygonal, and the inner cavity of the support column (1) is matched with the inserted bar (2).

4. A readily adjustable chair armrest according to claim 3, wherein: the clamping piece (4) further comprises an installation sheet (40), a clamping head (41) and a pressing head (42); the mounting piece (40) is attached to the surface of the support column (1), and the clamping head (41) is arranged on one surface, facing the support column (1), of the mounting piece (40); the utility model discloses a support column, including installation piece (40), clamping head (41), press head (42), the direction perk that deviates from support column (1) is set up in installation piece (40) and is kept away from the one end of clamping head (41), press head (42) orientation lie in on installation piece (40) press head (42) and clamping head (41) between be provided with go-between (43), go-between (43) and support column (1) normal running fit.

5. An adjustable chair armrest according to claim 4, wherein: an elastic sheet (44) used for driving the clamping head (41) to move towards the clamping groove (20) is arranged in the supporting column (1).

6. An adjustable chair armrest according to claim 5, wherein: the supporting column (1) is provided with a connecting hole (11), the connecting ring (43) is inserted into the connecting hole (11), the elastic sheet (44) comprises a first structure part (440) with the extending direction the same as that of the mounting sheet (40), a second structure part (441) fixedly connected to the pressing head (42) and a connecting part (442) used for connecting the first structure part (440) and the second structure part (441); the first structure part (440) is arranged in the connecting hole (11) in a penetrating way; the connecting part (442) protrudes towards the direction of the inserted link (2).

7. An adjustable chair armrest according to claim 4, wherein: the mounting seat (5) is in running fit with the support column (1).

8. An adjustable chair armrest according to claim 1, wherein: a fixed seat (7) is arranged at one end of the support column (1) departing from the connecting plate (3), an embedding groove (50) is arranged on the mounting seat (5), and the fixed seat (7) is embedded in the embedding groove (50) and is in running fit with the embedding groove (50); a limiting ring (52) is convexly arranged on the bottom surface of the caulking groove (50), a fixing groove (71) is arranged on the fixing seat (7), the limiting ring (52) is positioned in the fixing groove (71) and is in rotating fit with the fixing groove (71), a plurality of limiting grooves (520) which are distributed in an arc shape are arranged on the outer wall of the limiting ring (52) by taking the axis of the limiting ring (52) as the center, and a limiting part (9) is arranged in the fixing groove (71); the limiting part (9) comprises a limiting column (91) and an elastic block (90) used for driving the limiting column (91) to move towards the limiting groove (520), and one surface of the limiting column (91) towards the limiting groove (520) is an arc surface and is embedded in the limiting groove (520).

9. An adjustable chair armrest according to claim 8 wherein: be provided with mounting groove (710) on the inner wall of fixed slot (71), elastic block (90) are arranged in mounting groove (710), spacing post (91) is towards the opening of the one side protrusion mounting groove (710) of spacing groove (520).

10. An adjustable chair armrest according to claim 8 wherein: the central point of caulking groove (50) bottom surface puts the protrusion and is provided with spacing pivot (51), has seted up shaft hole (70) on fixing base (7), in shaft hole (70) and with shaft hole (70) normal running fit is worn to locate in spacing pivot (51) be provided with curved fender groove (72) on fixing base (7) deviate from the terminal surface of mount pad (5) one end keep off the complex in groove (72) and have dog (730), dog (730) are connected with spacing pivot (51).

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