CN214631156U

CN214631156U - Writing board rear-mounted chair comprising writing board turnover mechanism

Info

Publication number: CN214631156U
Application number: CN202120856811.7U
Authority: CN
Inventors: 刘开文; 黄伟川; 郑武阳; 刘芳; 彭玉; 朱碧钰; 赖强
Original assignee: Guangzhou Yonggu Furniture Co ltd
Current assignee: Guangzhou Yonggu Furniture Co ltd
Priority date: 2021-04-24
Filing date: 2021-04-24
Publication date: 2021-11-09
Anticipated expiration: 2031-04-24

Abstract

The utility model relates to a rearmounted chair of board that contains board tilting mechanism, it includes the support and installs the angle sign indicating number in the board bottom side, the joint groove has been seted up in the support, the angle sign indicating number includes board installation limit and connecting block, board installation limit links to each other with the board bottom side, connecting block perpendicular to board installation limit, the connecting block level is fixed with the traveller, the traveller wears to locate the joint inslot and with joint groove sliding connection, the joint groove is again including sliding section and joint section, sliding section and joint section intercommunication, the perpendicular distance of traveller axis to board installation limit is greater than the distance of sliding section central line to support top side, the perpendicular distance of traveller axis to board installation limit equals the distance of joint section central line to support top side, the inside wall that the back was kept away from to the support in the joint groove is less than the perpendicular distance of traveller axis to board installation limit to the distance of back one side. The storage and taking operation of the writing board is simple, the personnel operation is convenient, and the convenience of taking the writing board is greatly improved.

Description

Writing board rear-mounted chair comprising writing board turnover mechanism

Technical Field

The application relates to the field of seats, in particular to a tablet rear-mounted chair comprising a tablet turnover mechanism.

Background

The chair with the writing board is generally used for listening to reports in classrooms of governments, enterprises, schools, institutions and the like and used for taking notes by listeners.

Present tablet generally can be accomodate in the handrail of seat, however, when needs use or retrieve the tablet, it is comparatively loaded down with trivial details to tear open the operation of getting out or putting back the tablet in the handrail from the handrail in with the tablet, is unfavorable for the user to operate.

Based on this, the present application provides a tablet rear seat including a tablet turnover mechanism to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to help improving the convenience of taking and storing the tablet, the application provides a tablet rear-mounted chair comprising a tablet turnover mechanism.

The application provides a rearmounted chair of board that contains board tilting mechanism adopts following technical scheme:

a writing board rear-mounted chair comprising a writing board turnover mechanism comprises a bracket connected with the back side of a backrest of a chair and a corner brace arranged at the bottom side of the writing board, the bracket is internally provided with a clamping groove, the corner connector comprises a writing board mounting edge and a connecting block, the writing board mounting edge is connected with the bottom side of the writing board, the connecting block is vertical to the mounting edge of the writing board, a sliding column is horizontally fixed on the connecting block, the sliding column is arranged in the clamping groove in a penetrating way and is connected with the clamping groove in a sliding way, the clamping groove comprises a sliding section and a clamping section, the sliding section is communicated with the clamping section, the vertical distance from the axis of the sliding column to the mounting edge of the writing board is greater than the distance from the central line of the sliding section to the top side of the bracket, the vertical distance between the axis of the sliding column and the mounting edge of the writing board is equal to the distance between the central line of the clamping section and the top side of the bracket, the distance from the inner side wall of the clamping groove far away from the backrest to the side, far away from the backrest, of the support is smaller than the vertical distance from the axis of the sliding column to the mounting edge of the writing board.

Through adopting above-mentioned technical scheme, when needs place the tablet level, the traveller wears to locate in the joint section, and the bottom side on board installation limit and the top side butt of support this moment realize that the level of tablet is placed, when needs accomodate the tablet, takes out the tablet to one side far away from the back, makes the traveller slide to the section of sliding in and keep away from the back, and the axis rotation to vertical direction of traveller can be followed to the tablet this moment, realizes accomodating of tablet. The storage and taking operation of the writing board is simple, the personnel operation is convenient, the convenience of taking the writing board is greatly improved, meanwhile, compared with the traditional writing board storage mode, the storage mode can be used for storing the writing board with a larger area, the writing space of users is improved, and the comfort of the users is further improved.

Optionally, the support includes back installation limit and the joint piece of perpendicular connection back installation limit, back installation limit links to each other with the dorsal part of back, the joint groove is seted up in the vertical side of joint piece, the joint groove extends towards the one side of keeping away from back installation limit.

Through adopting above-mentioned technical scheme, the extending direction in joint groove sets up and makes things convenient for the user to extract the board, further improves the convenience that the board was got and is put.

Optionally, the joint piece is kept away from one side of back installation limit and is provided with the arc portion near the border on board installation limit, the inside wall that the back installation limit was kept away from in the joint groove is less than the perpendicular distance of traveller axis to board installation limit along radially to the distance of arc portion outer wall.

Through adopting above-mentioned technical scheme, the setting up of circular arc portion makes board installation along its rotation more smoothly convenient, reduces the existence of most advanced simultaneously, improves its security.

Optionally, a limiting groove is formed in one side, away from the backrest installation edge, of the clamping groove in the downward direction, the limiting groove is communicated with the clamping groove, and the sliding column can penetrate through the limiting groove.

Through adopting above-mentioned technical scheme, when the board is in vertical state, the traveller wears to locate the spacing inslot, and the setting of spacing groove has improved the stability of board when vertical state.

Optionally, an arc transition section is arranged at the joint of the sliding section and the clamping section.

Through adopting above-mentioned technical scheme, make the traveller more smooth and easy when moving between section of sliding and joint section, improved the smooth and easy nature of user of service operation, prolonged the life of traveller simultaneously.

Optionally, the backrest installation edge is detachably connected with the backrest, and the tablet installation edge is detachably connected with the tablet.

Through adopting above-mentioned technical scheme, after slide column wearing and tearing or joint inslot wall wearing and tearing, perhaps when the board damaged, be favorable to changing board, support or angle sign indicating number.

Optionally, a weight reduction groove is formed in the vertical side face of the clamping block.

Through adopting above-mentioned technical scheme, subtract the weight groove and can alleviate the whole weight of joint piece, improve the convenience of board installation.

Optionally, one side that the back installation limit was kept away from to the joint piece is provided with the inclined plane, the inclined plane is from last down to be close to the back installation limit gradually and extends.

Through adopting above-mentioned technical scheme, when placing the seat after the present, the meeting personnel can pass through front and back row seat, because the setting on inclined plane this moment, the board can rotate certain angle to the one side that is close to the back to make things convenient for meeting personnel's shank process, alleviateed the striking degree of shank to the board surface, play the effect of protection shank.

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

1. the storage and taking operation of the writing board is simple, the operation of personnel is convenient, the convenience of taking the writing board is greatly improved, and meanwhile compared with the traditional writing board storage mode, the storage mode can use the writing board with larger area, the writing space of the user is improved, and the comfort of the user is further improved;

2. the arrangement of the arc transition section enables the sliding column to move more smoothly between the sliding section and the clamping section, improves the smoothness of operation of users, and prolongs the service life of the sliding column;

3. with the setting of board tilting mechanism in the dorsal part of back, make the personnel of back row can use the board of preceding row, improved the convenience that the user of service took or accomodate the board.

Drawings

Fig. 1 is a schematic structural diagram of an inversion structure according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram mainly showing connection of a bracket and a corner connector in the embodiment of the application.

Fig. 3 is a schematic structural view mainly showing the connection between the turnover mechanism and the rear chair according to the embodiment of the present application.

Description of reference numerals: 10. a writing board; 1. a support; 11. a backrest mounting edge; 111. a through hole; 12. a clamping block; 121. a clamping groove; 122. a circular arc portion; 1211. a slipping section; 1212. a clamping section; 1213. a circular arc transition section; 123. a limiting groove; 124. a bevel; 125. a weight reduction groove; 2. corner connectors; 21. a tablet mounting edge; 22. connecting blocks; 23. a traveler; 3. a seat; 31. standing; 32. a chair seat; 33. a backrest; 34. a rotating shaft; 35. and (5) soft sponge packing.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a tablet rear-mounted chair comprising a tablet turnover mechanism.

Referring to fig. 1, the tablet turnover mechanism includes a support 1 and a corner brace 2 installed at the bottom side of the tablet 10, and the tablet 10 can be horizontally placed or vertically stored on the support 1, thereby realizing the taking and storage of the tablet 10.

Referring to fig. 1 and 2, the bracket 1 includes a backrest installation edge 11 and a clamping block 12, the backrest installation edge 11 and the clamping block 12 are integrally formed and perpendicular to each other, two through holes 111 are formed in a vertical side wall of the backrest installation edge 11, and screws can pass through the through holes 111 to fix the backrest installation edge 11 on an object, so that the bracket 1 is installed.

Wherein, the vertical lateral wall that joint piece 12 is close to its top side has seted up through-going joint groove 121, and joint groove 121 extends towards the one side of keeping away from back installation limit 11. Meanwhile, the corner connector 2 comprises a writing board mounting edge 21 and a connecting block 22, the writing board mounting edge 21 and the connecting block 22 are integrally formed and perpendicular to each other, the writing board mounting edge 21 can be fixed to the bottom side of the writing board 10 through screws, the connecting block 22 is parallel to the clamping block 12, a sliding column 23 is horizontally fixed to the vertical side of the connecting block 22, the sliding column 23 is located below the writing board mounting edge 21, and the sliding column 23 penetrates through the clamping groove 121 and is connected with the clamping groove 121 in a sliding mode.

The clamping groove 121 includes a sliding section 1211 and a clamping section 1212, the sliding section 1211 is communicated with the clamping section 1212, the clamping section 1212 is disposed near the backrest mounting edge 11, and the cross section of the sliding column 23 is disposed in a circular shape. The vertical distance from the central axis of the sliding column 23 to the tablet mounting edge 21 is greater than the distance from the central axis of the sliding section 1211 to the top side of the clamping block 12, and the vertical distance from the central axis of the sliding column 23 to the tablet mounting edge 21 is equal to the distance from the central axis of the clamping section 1212 to the top side of the clamping block 12. When the tablet 10 is placed horizontally, the sliding column 23 penetrates through the clamping section 1212, and the top side of the clamping block 12 abuts against the bottom side of the tablet mounting edge 21, so that the tablet 10 is fixed.

When the tablet 10 needs to be stored, the tablet 10 is pulled out to the side away from the backrest mounting edge 11, so that the sliding column 23 slides into the sliding section 1211, and in order to improve the smoothness of sliding of the sliding column 23, an arc transition section 1213 is arranged at the joint of the clamping section 1212 and the sliding section 1211. After the sliding column 23 slides to the sliding section 1211, it moves continuously to the side far away from the backrest mounting edge 11 and abuts against the inner wall of the sliding section 1211, at this time, in order to ensure that the tablet 10 can rotate to the vertical direction, the edge of the clamping block 12, which is far away from one side of the backrest mounting edge 11 and close to the tablet mounting edge 21, is provided with the arc portion 122, and the distance from the inner wall of the sliding section 1211, which is far away from the backrest mounting edge 11, to the outer wall of the arc portion 122 along the radial direction is smaller than the vertical distance from the central axis of the sliding column 23 to the tablet mounting edge 21, so that the tablet 10 can rotate to the vertical direction.

In order to improve the stability of the tablet 10 in the vertical direction, the inner wall of the sliding section 1211 away from the backrest mounting edge 11 is provided with a limiting groove 123 downward, the limiting groove 123 is communicated with the clamping groove 121, the limiting groove 123 is matched with the sliding column 23, and the sliding column 23 can penetrate through the limiting groove 123 and rotate along the axis of the sliding column 23. Meanwhile, one side of the clamping block 12 away from the backrest mounting edge 11 is provided with an inclined surface 124, and the inclined surface 124 gradually extends from top to bottom to one side close to the backrest mounting edge 11, so that the writing board 10 can rotate towards one side of the backrest mounting edge 11, and people can conveniently pass through the writing board.

In addition, in this embodiment, the two sets of the brackets 1 and the corner connectors 2 are arranged, the two sets of the brackets 1 and the corner connectors 2 are installed on the bottom side of the same tablet 10 and located on two side edges of the bottom side of the tablet 10, and two sides of the two connecting blocks 22 away from each other are flush with two side edges of the tablet 10, so as to support and fix the tablet 10. Meanwhile, the vertical sides of the two clamping blocks 12 are provided with lightening slots 125 to lighten the whole weight of the bracket 1.

Referring to fig. 3, the rear seat includes a seat 3, the seat 3 includes a standing leg 31, a seat 32 and a backrest 33, in this embodiment, the standing leg 31 is narrow at the top and wide at the bottom, the front and back sides of the standing leg 31 are arc-shaped, the arc-shaped circle center of the front and back sides of the standing leg 31 is far away from the back side of the seat 3, the arc-shaped radius R1 of the front side of the standing leg 31 is 240mm, the arc-shaped radius R2 of the back side of the standing leg 31 is 400mm, the standing leg 31 is integrally formed by die-casting aluminum alloy and is set as two, the two standing legs 31 are parallel, the seat 32 is hinged between the two standing legs 31 through a rotating shaft 34, the seat 32 can be horizontally placed or vertically stored, the backrest 33 is integrally formed at one side of the two standing legs 31 far away from the seat 32, the backrest 33 is adapted to the back of a human body, and a soft sponge 35 is bonded to the front side of the backrest 33, so as to improve the comfort level of a user's pillow.

Wherein, the bracket 1 is fixed on the back side of the backrest 33, so that the tablet 10 is arranged on the back side of the seat 3, when the seat 3 is arranged in the front and back rows, the tablet 10 of the seat 3 in the front row can be used by the person in the seat 3 in the back row, thereby improving the convenience of taking and using the tablet 10.

The implementation principle of the tablet rear chair comprising the tablet turnover mechanism in the embodiment of the application is as follows: when the tablet 10 needs to be horizontally placed, the sliding column 23 penetrates through the clamping section 1212, and the bottom side of the tablet mounting edge 21 is abutted against the top side of the clamping block 12, so that the horizontal placement of the tablet 10 is realized; when the tablet 10 needs to be stored, the tablet 10 is drawn out to the side away from the backrest mounting edge 11, so that the sliding column 23 slides into the sliding section 1211 and is away from the backrest mounting edge 11, and at this time, the tablet 10 can rotate to the vertical direction along the axis of the sliding column 23, thereby storing the tablet 10. The storage and taking operation of the writing board 10 in the scheme is simple, the operation of a person is convenient, the convenience of taking the writing board 10 is greatly improved, meanwhile, compared with the traditional storage mode of the writing board 10, the writing board 10 with a larger usable area improves the working space of a user, and the comfort of the user is further improved.

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

1. The utility model provides a rearmounted chair of board that contains board tilting mechanism which characterized in that: the chair comprises a chair (3), wherein the chair (3) further comprises two standing legs (31), a chair seat (32) and a backrest (33), the number of the standing legs (31) is at least two, the chair seat (32) is hinged among the standing legs (31), the chair seat (32) can be horizontally placed or vertically placed, and the backrest (33) is arranged on one side, far away from the chair seat (32), of the two standing legs (31); the chair is characterized by further comprising a support (1) and a corner code (2), wherein the support (1) is used for being connected with the back side (33) of the chair (3) and the corner code (2) is installed on the bottom side of the writing board (10), a clamping groove (121) is formed in the support (1), the corner code (2) comprises a writing board installation edge (21) and a connecting block (22), the writing board installation edge (21) is connected with the bottom side of the writing board (10), the connecting block (22) is perpendicular to the writing board installation edge (21), a sliding column (23) is horizontally fixed on the connecting block (22), the sliding column (23) penetrates through the clamping groove (121) and is in sliding connection with the clamping groove (121), the clamping groove (121) comprises a sliding section (1211) and a clamping section (1212), the sliding section (1211) is communicated with the clamping section (1212), and the vertical distance from the axis of the sliding column (23) to the writing board installation edge (21) is larger than the distance from the center line of the sliding section (1211) to the top side of the support (1), the perpendicular distance of traveller (23) axis to board installation limit (21) equals joint section (1212) central line to the distance on support (1) top side, the distance that the inside wall that back (33) were kept away from to support (1) in joint groove (121) is less than the perpendicular distance of traveller (23) axis to board installation limit (21) to the inside wall that back (33) were kept away from one side of back (33).

2. The tablet rear seat of claim 1 including a tablet turnover mechanism, wherein: support (1) includes back installation limit (11) and joint piece (12) of perpendicular connection back installation limit (11), back installation limit (11) links to each other with the dorsal part of back (33), joint groove (121) are seted up in the vertical side of joint piece (12), joint groove (121) extend towards one side of keeping away from back installation limit (11).

3. A tablet rear seat including a tablet turnover mechanism in accordance with claim 2, wherein: one side that back installation limit (11) were kept away from in joint piece (12) and the border that is close to board installation limit (21) is provided with arc portion (122), the inside wall that back installation limit (11) were kept away from in joint groove (121) is less than the perpendicular distance of traveller (23) axis to board installation limit (21) along the distance to arc portion (122) outer wall.

4. A tablet rear seat including a tablet turnover mechanism in accordance with claim 2, wherein: one side of the clamping groove (121) far away from the backrest mounting edge (11) is downwards provided with a limiting groove (123), the limiting groove (123) is communicated with the clamping groove (121), and the sliding column (23) can penetrate through the limiting groove (123).

5. The tablet rear seat of claim 1 including a tablet turnover mechanism, wherein: and an arc transition section (1213) is arranged at the joint of the sliding section (1211) and the clamping section (1212).

6. A tablet rear seat including a tablet turnover mechanism in accordance with claim 2, wherein: the backrest installation edge (11) is detachably connected with the backrest (33), and the writing board installation edge (21) is detachably connected with the writing board (10).

7. A tablet rear seat including a tablet turnover mechanism in accordance with claim 2, wherein: and a weight reduction groove (125) is formed in the vertical side surface of the clamping block (12).

8. A tablet rear seat including a tablet turnover mechanism in accordance with claim 2, wherein: one side that back installation limit (11) were kept away from in joint piece (12) is provided with inclined plane (124), inclined plane (124) are from last down being close to back installation limit (11) gradually and extend.