CN209750450U

CN209750450U - Writing chair

Info

Publication number: CN209750450U
Application number: CN201920043184.8U
Authority: CN
Inventors: 杨春燕
Original assignee: Anhui Hua Dan Office Furniture Co Ltd
Current assignee: Anhui Hua Dan Office Furniture Co Ltd
Priority date: 2019-01-10
Filing date: 2019-01-10
Publication date: 2019-12-10
Anticipated expiration: 2029-01-10

Abstract

The utility model relates to a writing chair, the on-line screen storage device comprises a base, the landing leg, the seat, back and handrail, be provided with the landing leg between base and the seat, the bottom of back and the rear side of seat are fixed, one side of seat is provided with the handrail along the fore-and-aft direction, the seat sets up the front end of the opposite side of handrail relatively and is provided with the pillar, the upper end of pillar sets up the fixed bayonet socket of opening at the upside, fixed bayonet socket's front and back intercommunication, the one end of back and dwang is articulated, the other end of dwang is provided with the mounting, the dwang passes a sliding sleeve and sliding sleeve sliding connection, one side of sliding sleeve is fixed with the board, the downside and the fixed bayonet socket interference fit joint of sliding sleeve, at the level of board. The position of the writing board can be adjusted by rotating or sliding the sliding sleeve. The rotating rod is hinged on the backrest and can rotate up and down relative to the backrest. The use of the writing board and the adjustment of the storage are very convenient, and the writing board has good stability and is not easy to rotate when in use.

Description

Writing chair

Technical Field

The utility model relates to a chair technical field especially relates to a chair of writing.

Background

The chair is a seat with a backrest, and the chair also comprises armrests. The name of the chair began in the Tang Dynasty. The chair is of various types and can be divided into the following parts according to the materials: solid wood chairs, glass chairs, iron art chairs, cloth art chairs, leather art chairs, foaming chairs and the like; according to the use, the method can be divided into: office chairs, dining chairs, bar chairs, leisure chairs, reclining chairs, special chairs, writing chairs and the like.

Chinese patent No. CN208048431U discloses a chair with a writing board, which comprises a base, a supporting column which is vertically arranged is fixed in the middle of the top of the base, a supporting plate which is horizontally arranged is fixed at the top of the supporting column, a hinged seat is fixed on one side of the top of the supporting plate, a backup plate is hinged on the hinged seat, a supporting block is fixed on the side surface of the hinged seat, the top both sides of backup pad are equipped with two spouts that are parallel to each other, and the sliding block has been cup jointed in the slip on the slide bar, and the top of sliding block is fixed with the stand of vertical setting, and the upper end of stand extends to the top of backup pad, and the top of stand is rotated and is installed the connecting seat, and the side of connecting seat is fixed with the horizontal pole that the level set up, rotates on the horizontal pole and has cup jointed the sleeve, and the telescopic outside is fixed with the board, and telescopic both sides lower part is fixed with first stopper, and the both sides of horizontal pole are equipped with the second stopper with first stopper position looks.

The above prior art solutions have the following drawbacks: the top end of the upright post is rotatably connected with the connecting seat through a bearing and a rotating post arranged in the inner ring of the bearing. The writing board has insufficient stability when in use and is easy to rotate along the circumferential direction of the rotating column under the action of external force.

SUMMERY OF THE UTILITY MODEL

the utility model aims at providing a writing chair, the board is stable in the use.

The above object of the present invention can be achieved by the following technical solutions: the utility model provides a writing chair, includes base, landing leg, seat, back and handrail, be provided with the landing leg between base and the seat, the bottom of back and the rear side of seat are fixed, one side of seat is provided with the handrail along the fore-and-aft direction, the seat sets up the front end of the opposite side of handrail relatively and is provided with the pillar, the upper end of pillar sets up the fixed bayonet socket of opening at the upside, fixed bayonet socket's front and back intercommunication, the one end of back and dwang is articulated, the other end of dwang is provided with the mounting, the dwang pass a sliding sleeve and with sliding sleeve sliding connection, one side of sliding sleeve is fixed with the board, the downside and the fixed bayonet socket interference fit joint of sliding sleeve, at the board level, the upper end and the board butt of pillar.

Through adopting above-mentioned technical scheme, can adjust the position of board through rotating or sliding the sliding sleeve. The rotating rod is hinged on the backrest and can rotate up and down relative to the backrest. Slide the sliding sleeve to the dwang for the articulated other end, and rotate the sliding sleeve and make the board be in horizontally user state when fixing the sliding sleeve joint in fixed bayonet to the sliding sleeve, the upper end of pillar and board carry out the setting that butt and mounting carry out further fixed to sliding sleeve and board. When the tablet is required to be stored, the rotating rod can be upwards rotated, the sliding sleeve is rotated to enable the tablet to be upwards vertical or to the outer side of the writing chair, and then the sliding sleeve is fixed in the fixing clamping opening. The use of the writing board and the adjustment of the storage are very convenient, and the writing board has good stability and is not easy to rotate when in use.

The utility model discloses further set up to: the sliding sleeve is a quadrangular prism which is provided with a through hole matched with the rotating rod along the length direction, and the writing board is arranged on one side surface of the sliding sleeve.

Through adopting above-mentioned technical scheme, the lower extreme cooperation joint of fixed bayonet socket and sliding sleeve, the sliding sleeve sets up to the quadrangular, is favorable to increasing the stability of sliding sleeve and fixed bayonet socket joint to increase the stability of board.

The utility model discloses further set up to: the sliding sleeve is provided with the iron plate along circumference, the upper end of pillar is provided with magnet.

Through adopting above-mentioned technical scheme, increase the stability of sliding sleeve and fixed bayonet socket joint to increase the stability of board.

The utility model discloses further set up to: the backrest is provided with a fixing groove in interference fit with one side of the sliding sleeve.

Through adopting above-mentioned technical scheme, rotate the sliding sleeve earlier and rotate the board to suitable position after, can upwards rotate the articulated department of dwang edge and back and slide sleeve and fixed slot carry out the joint, accomodate or shift to the board and avoid becoming the hindrance.

The utility model discloses further set up to: the sliding sleeve is provided with the iron plate along circumference, be provided with magnet in the cell wall of fixed slot.

Through adopting above-mentioned technical scheme, increase the stability of sliding sleeve and fixed slot joint.

The utility model discloses further set up to: the mounting is the stopper, during sliding sleeve and fixed bayonet socket cooperation joint, the stopper be close to dwang and back articulated one side and the dwang of keeping away from of sliding sleeve and back articulated one side butt, the leading flank butt of stopper and pillar.

Through adopting above-mentioned technical scheme, the stopper carries on spacingly to the sliding sleeve, prevents that the sliding sleeve from droing from the dwang, and on the other hand has fixed and limiting displacement to the joint of sliding sleeve and fixed bayonet socket, improves the stability of board.

the utility model discloses further set up to: the writing board is provided with a baffle, and when the writing board is positioned on one side of the support close to the armrest and in a horizontal state, the baffle is positioned on the front side of the upper end face of the writing board.

By adopting the technical scheme, when the writing board is in a use state, the front baffle can prevent stationery from falling off from the front side of the writing board.

The utility model discloses further set up to: the front side of back is fixed with the support, the one end of dwang is passed and is fixed by the pivot, the both ends of pivot are rotated and are connected on the support.

Through adopting above-mentioned technical scheme, make the dwang articulate on the back and can take place to rotate.

To sum up, the utility model discloses a beneficial technological effect does:

1. the writing board is very convenient to use and store through the arrangement of the rotating rod, the sliding sleeve, the fixing bayonet and the like, the stability of the writing board is good when the writing board is used, and the writing board is not easy to rotate;

2. The stability of the sliding sleeve can be improved through the shape of the sliding sleeve, the limiting block, the magnet and the iron block, so that the stability of the tablet is improved;

3. The stationery placed on the writing board falls off through the arrangement of the baffle, and the use experience of the writing board is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

Fig. 2 is a schematic view of the overall structure of the present embodiment.

Reference numerals: 1. a base; 2. a support leg; 3. a seat plate; 4. a backrest; 5. a handrail; 6. a pillar; 7. a writing board; 71. a baffle plate; 8. a rotating assembly; 81. a support; 82. a rotating shaft; 83. rotating the rod; 84. a sliding sleeve; 9. a fixing assembly; 91. fixing the bayonet; 92. a limiting block; 93. and fixing the grooves.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a writing chair, including placing at the fixed landing leg 2 in the middle part of subaerial base 1, bottom and base 1 upper end, fixing at the seat 3 of the upper end of landing leg 2, fixing at the back 4 of the rear side of seat 3, fixing at the left handrail 5 of seat 3 along the fore-and-aft direction of seat 3, the lower extreme is fixed at the pillar 6 of the right side front end of seat 3, set up board 7 and rotating assembly 8 and fixed subassembly 9 between back 4 and pillar 6.

Referring to fig. 1 and 2, the rotating assembly 8 includes a support 81, a rotating shaft 82, a rotating lever 83, and a sliding sleeve 84. The rear side of the support 81 is fixed on the right side of the front side surface of the backrest 4, the horizontal rotating shaft 82 penetrates through one end of the rotating rod 83 and is fixed with the rotating rod 83, the left side and the right side of the rotating shaft 82 penetrate through a through hole formed in the support 81 and are connected with the support 81 in a rotating mode, and the rotating shaft 82 can rotate relative to the support 81. The sliding sleeve 84 is a quadrangular prism, and is provided with a through hole in interference fit with the rotating rod 83 along the length direction. The slide bush 84 may be rotatable with respect to the rotation lever 83 in the circumferential direction of the rotation lever 83, or may be slidable with respect to the rotation lever 83 in the axial direction of the rotation lever 83. The writing board 7 and the sliding sleeve 84 are integrally formed, the writing board 7 is rectangular plate-shaped, and one side of the writing board 7 is fixed with the middle part of one side of the sliding sleeve 84. The tablet 7 is integrally formed with a baffle 71, and when the tablet 7 is on the side of the support post 6 near the armrest 5 and in a parallel state, the baffle 71 is located at the front end of the upper side of the tablet 7.

Referring to fig. 1 and 2, the fixing assembly 9 includes a fixing bayonet 91, a stopper 92, and a fixing groove 93. The upper end of the pillar 6 is provided with a fixed bayonet 91, and the fixed bayonet 91 is communicated in the front and back direction and is provided with an opening at the upper side. The fixed bayonet 91 is in interference fit clamping connection with the lower side of the sliding sleeve 84. When the fixing bayonet 91 is clamped with the sliding sleeve 84 and the writing board 7 is horizontal, the upper end of the pillar 6 is abutted against the writing board 7. In order to improve the stability of the clamping between the sliding sleeve 84 and the fixing bayonet 91, the sliding sleeve 84 is provided with iron blocks on each side surface along the circumferential direction, and the upper end of the pillar 6 is provided with magnets (not shown in the figure) magnetically connected with the iron blocks in the side wall and the bottom wall of the bayonet. In order to improve the stability of the sliding sleeve 84, a fixing member is welded to the other side of the rotating rod 83, which is hinged to the rotating rod, and the fixing member is a block-shaped limiting block 92. When the sliding sleeve 84 and the fixing bayonet 91 are matched and clamped, one side of the limiting block 92 close to the rotating rod 83 and the backrest 4 are hinged, one side of the sliding sleeve 84 far away from the rotating rod 83 and the backrest 4 are abutted, and the limiting block 92 is abutted with the front side face of the strut 6. The backrest 4 is provided with a fixing groove 93 which is in interference fit with one side of the sliding sleeve 84. In order to improve the stability of the sliding sleeve 84 and the fixing clip, magnets (not shown) magnetically connected with the iron blocks are disposed in the groove walls of the fixing groove 93.

The implementation principle of the embodiment is as follows: when the tablet 7 is needed to be used, the sliding sleeve 84 slides to abut against the limiting block 92, and the sliding sleeve 84 is rotated to enable the tablet 7 to be in a horizontal use state when the sliding sleeve 84 is clamped in the fixing clamping opening 91, and the upper end of the strut 6 and the magnet are used for further fixing the sliding sleeve 84 and the tablet 7. When the writing board 7 needs to be stored, the rotating rod 83 can be rotated upwards, the sliding sleeve 84 is rotated to enable the writing board 7 to be vertical upwards or horizontal to the outer side of the writing chair, and then the sliding sleeve 84 is fixed in the fixing bayonet 91, so that the writing board 7 can be stored; or the sliding sleeve 84 and the rotating rod 83 are adjusted to clamp and fix the sliding sleeve 84 and the fixing groove 93. The use and the accommodation of the writing board 7 are very convenient, and the writing board 7 has good stability and is not easy to rotate when in use.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a writing chair, includes base (1), landing leg (2), seat (3), back (4) and handrail (5), be provided with landing leg (2) between base (1) and seat (3), the bottom of back (4) and the rear side of seat (3) are fixed, one side of seat (3) is provided with handrail (5), its characterized in that along the fore-and-aft direction: seat (3) set up the front end of the opposite side of handrail (5) relatively and be provided with pillar (6), the upper end of pillar (6) sets up fixed bayonet socket (91) of opening at the upside, fixed bayonet socket (91) communicate around, the one end of back (4) and dwang (83) is articulated, the other end of dwang (83) is provided with the mounting, dwang (83) pass a sliding sleeve (84) and with sliding sleeve (84) sliding connection, one side of sliding sleeve (84) is fixed with board (7), the downside and fixed bayonet socket (91) interference fit joint of sliding sleeve (84), during board (7) level, the upper end and board (7) butt of pillar (6).

2. A writing chair according to claim 1, wherein: the sliding sleeve (84) is a quadrangular prism which is provided with a through hole matched with the rotating rod (83) along the length direction, and the writing board (7) is arranged on one side surface of the sliding sleeve (84).

3. A writing chair according to claim 1 or 2, wherein: the sliding sleeve (84) is provided with an iron block along the circumferential direction, and the upper end of the strut (6) is provided with a magnet.

4. A writing chair according to claim 1, wherein: the backrest (4) is provided with a fixing groove (93) which is in interference fit with one side of the sliding sleeve (84).

5. A writing chair according to claim 4, wherein: the sliding sleeve (84) is provided with iron blocks along the circumferential direction, and magnets are arranged in the groove wall of the fixing groove (93).

6. A writing chair according to claim 1, wherein: the mounting is stopper (92), when sliding sleeve (84) and fixed bayonet socket (91) cooperation joint, stopper (92) be close to dwang (83) and back (4) articulated one side and sliding sleeve (84) keep away from dwang (83) and back (4) articulated one side butt, the leading flank butt of stopper (92) and pillar (6).

7. A writing chair according to claim 1, wherein: the writing board (7) is provided with a baffle (71), and when the writing board (7) is positioned on one side of the support post (6) close to the armrest (5) and in a horizontal state, the baffle (71) is positioned on the front side of the upper end face of the writing board (7).

8. A writing chair according to claim 1, wherein: the front side of back (4) is fixed with support (81), the one end of dwang (83) is passed and is fixed by pivot (82), the both ends of pivot (82) are rotated and are connected on support (81).