阅读说明：本技术 一种礼堂椅 (Auditorium chair ) 是由 叶伟 于 2019-10-10 设计创作，主要内容包括：本发明公开了一种礼堂椅,包括椅脚框体、椅背和椅座,所述椅座通过转轴与椅脚框体转动连接,所述椅脚框体包括两个一体成型且相互卡嵌配合的左椅脚壳体和右椅脚壳体,所述左椅脚壳体和右椅脚壳体的外侧面均卡嵌有侧护板,本发明的有益效果在于：采用卡嵌配合的左椅脚壳体和右椅脚壳体,使椅脚和扶手形成一个整体,解决了组装过程产生的误差大的问题,同时也提高了礼堂椅的美观度；椅脚框体内部的腔体和可盖合腔体的扶手组件及配合可转进或转出腔体的写字板组件,实现了写字板在不使用时能隐藏于腔体中,不会造成人员移动的障碍,还能节省空间。(The invention discloses an auditorium chair which comprises a chair leg frame body, a chair back and a chair seat, wherein the chair seat is rotationally connected with the chair leg frame body through a rotating shaft, the chair leg frame body comprises a left chair leg shell and a right chair leg shell which are integrally formed and mutually clamped and embedded, and side protection plates are respectively clamped and embedded on the outer side surfaces of the left chair leg shell and the right chair leg shell, so that the auditorium chair has the beneficial effects that: the left chair leg shell and the right chair leg shell which are matched in a clamping and embedding manner are adopted, so that the chair legs and the armrests form a whole, the problem of large error generated in the assembling process is solved, and meanwhile, the attractiveness of the auditorium chair is improved; the cavity in the chair leg frame body, the handrail component capable of covering the cavity and the writing board component capable of rotating in or out of the cavity in a matching mode realize that the writing board can be hidden in the cavity when not in use, so that the obstacle of personnel movement can not be caused, and the space can be saved.)

1. The utility model provides an auditorium chair, includes chair foot framework, the back of the chair and seat support, the seat support rotates through pivot and chair foot framework to be connected its characterized in that: the chair foot framework comprises a left chair foot shell and a right chair foot shell which are integrally formed and mutually embedded, side protection plates are embedded on the outer side surfaces of the left chair foot shell and the right chair foot shell in a clamping and embedding mode, decorative plates are buckled on the side protection plates, a cavity is formed inside the left chair foot shell and the right chair foot shell in a clamping and embedding mode, a writing board assembly capable of rotating into or out of the cavity is accommodated inside the cavity, and a handrail assembly capable of covering the cavity is arranged at the top of the cavity in a rotating mode.

2. The auditorium chair according to claim 1, wherein: the utility model discloses a chair, including left side chair foot casing and right chair foot casing, the junction card of stay tube and handrail base has the number plate board, the joint has well foot rest frame on the corner face of cavity lower part, the relative shaping has rag bolt hole on the foot rest, it has the foot stopper to insert in the rag bolt hole.

3. The auditorium chair according to claim 1, wherein: the outer wall of the cavity is a cobweb-shaped hollow reinforcing plate.

4. The auditorium chair according to claim 1, wherein: and transverse shaft seats matched with the rotating shafts on the two sides of the seat are oppositely screwed on the inner side surfaces of the side protection plates, and U-shaped notches are formed in the transverse shaft seats.

5. The auditorium chair according to claim 1, wherein: the tablet subassembly is including articulated seat, branch and tablet framework, articulated seat is fixed in the stay tube inside and is close to its top edge, branch one end articulates in articulated seat, and the other end rotates with the tablet framework and is connected.

6. The auditorium chair according to claim 5, wherein: the writing board framework comprises a writing board support, an upper panel, a lower panel, a small support cover and a large support cover, the upper panel and the lower panel are respectively detachably mounted on the upper end face and the lower end face of the writing board support, a supporting rod mounting groove is formed in the writing board support, the small support cover and the large support cover are respectively and oppositely clamped on the supporting rod and then are in threaded connection with the upper end face and the lower end face of the supporting rod mounting groove, and therefore the writing board support can rotate relative to the supporting rod axis.

7. The auditorium chair according to claim 6, wherein: be located and prop up the branch excircle section between the lid greatly and have fan-shaped lug relatively, relatively the shaping has the conflict on the inner wall of branch mounting groove the spacing flange of fan-shaped lug side, through fan-shaped lug is switched with spacing flange's conflict so that but tablet support horizontality and vertical state, tablet support side has been seted up branch and has been inserted the inside locating hole of tablet support, relatively the shaping has spacing bead on the excircle wall of branch, the inner wall shaping of locating hole has relative setting from top to bottom and the spacing boss inconsistent with spacing bead, spacing bead is contradicted spacing boss so that tablet support is parallel or perpendicular to ground, and the shaping has the flange on the branch excircle section that is located the locating hole outside.

8. The auditorium chair according to claim 7, wherein: the tablet support is also internally provided with a telescopic cup holder component which comprises an accommodating channel, a cup holder, a positioning plate and a guide rail plate, the accommodating channel is a structure which is horizontally arranged and is closed by three faces and opened by one face, the positioning plate is horizontally and oppositely fixed on the inner wall of the accommodating channel, the guide rail plate is horizontally screwed above the positioning plate, the cup holder is provided with a teacup seat which can extend outwards and a guide plate which is formed on the inner side wall of the teacup seat, a sliding groove for accommodating the guide plate to move in a reciprocating manner is formed between the guide rail plate and the positioning plate, a baffle plate for limiting the guide plate to completely slide out of the accommodating channel is formed on the top surface of the positioning plate, a spring is arranged between the inner side face of the teacup seat and the groove bottom face of the accommodating groove channel, one end of the spring is hooked on the inner side face of the teacup seat, the other end of the spring is clamped on the inserting and buckling piece, and the inserting and buckling piece is connected with a female buckle arranged on the groove bottom face of the accommodating groove channel in a buckling mode.

9. The auditorium chair according to claim 1, wherein: the handrail assembly includes handrail bottom, handrail face lid, the compound face of silica gel lid and the hinge body, handrail face lid pressure inlays in the upper portion of handrail bottom, the recessed mounting groove of top surface shaping of handrail face lid, the compound face of silica gel lid pressure inlays in the mounting groove, the compound face of silica gel is covered and is still attached to the silica gel layer, handrail bottom can be relative chair foot framework outside 90 degrees rotation and this hinge body position is inside handrail face lid through the hinge body, the bottom surface of handrail bottom still is fixed with a plurality ofly and the rubber pad of chair foot framework top surface contact.

10. The auditorium chair according to claim 9, wherein: the hinge body includes big hinge seat, little hinge seat and connection piece, little hinge seat has first mounting panel, first connecting plate and primary shaft, first mounting panel spiro union is in the secondary top surface edge of handrail bottom, big hinge seat has second mounting panel, second connecting plate and secondary shaft, second mounting panel spiro union is in the inner wall on cavity upper portion, primary shaft and secondary shaft level respectively set up in the free end of first connecting plate and second connecting plate and extend to both sides, the connection piece cup joints respectively between primary shaft and secondary shaft, makes big hinge seat, little hinge seat form a linkage structure.

The technical field is as follows:

the invention relates to the technical field of auditorium chair structures, in particular to an auditorium chair.

Background art:

at present, chair feet and armrests of an auditorium chair are of split structures, errors are large in the assembling process, the whole appearance is attractive, the writing board required in the meeting process cannot be hidden when not used, and inconvenience of moving of personnel is caused.

The invention content is as follows:

the invention aims to solve the existing problems and provides an integrated auditorium chair with high aesthetic property and a function of hiding a writing board.

The technical solution of the invention is as follows:

the utility model provides an auditorium chair, includes chair foot framework, the back of the chair and seat support, the seat support rotates through pivot and chair foot framework to be connected, the chair foot framework includes two integrated into one piece and each other inlay card complex left chair foot casing and right chair foot casing, the lateral surface of left side chair foot casing and right chair foot casing all inlays and has the side guard board, is located the outside the lock joint has the decorative board on the side guard board, inside being formed with the cavity behind left side chair foot casing and the right chair foot casing inlay card cooperation, the inside appearance of cavity has the board subassembly that can roll into or roll out the cavity, the top of cavity is rotated and is provided with the handrail subassembly that can cover and close the cavity.

As preferred, be formed with foot rest, stay tube and handrail base behind left side chair foot casing and the cooperation of right chair foot casing, the junction inlay card of stay tube and handrail base has the number plate board, the joint has well foot buttressing frame on the corner face of cavity lower part, relative shaping has rag bolt hole on the foot rest, it has the foot stopper to insert in the rag bolt hole.

Preferably, the outer wall of the cavity is a cobweb-shaped hollow reinforcing plate.

Preferably, the inner side surface of the side guard plate is relatively screwed with a horizontal shaft seat matched with the rotating shafts on the two sides of the seat, and a U-shaped notch is formed in the horizontal shaft seat.

Preferably, the tablet assembly comprises a hinge seat, a support rod and a tablet frame body, the hinge seat is fixed inside the support tube and close to the top edge of the support tube, one end of the support rod is hinged to the hinge seat, and the other end of the support rod is rotatably connected with the tablet frame body.

Preferably, the tablet frame body comprises a tablet support, an upper panel, a lower panel, a small support cover and a large support cover, the upper panel and the lower panel are respectively detachably mounted on the upper end face and the lower end face of the tablet support, a support rod mounting groove is formed in the tablet support, the small support cover and the large support cover are respectively and oppositely clamped on the support rod and then are in screwed connection with the upper end face and the lower end face of the support rod mounting groove, so that the tablet support can rotate relative to the support rod axis.

As preferred, be located and relatively take shape on the branch excircle section between little lid and the big lid and have fan-shaped lug that fan-shaped central angle is 70, relatively take shape on the inner wall of branch mounting groove has the conflict the spacing flange of fan-shaped lug side, through fan-shaped lug is with the conflict of spacing flange so that but the writing board support horizontality and vertical state switch, the locating hole that branch inserted the inside writing board support has been seted up to the writing board support side, relatively take shape on the excircle wall of branch has spacing bead, the inner wall shaping of locating hole has relative setting from top to bottom and the spacing boss that offsets with spacing bead, spacing bead conflicts spacing boss so that the writing board support is parallel or perpendicular to ground, and it has the flange to lie in the shaping on the outside branch excircle section of locating hole.

Preferably, a telescopic cup holder assembly is further arranged in the tablet support and comprises an accommodating channel, a cup holder, a positioning plate and a guide rail plate, the accommodating channel is a structure which is horizontally arranged and is closed by three faces and opened by one face, the positioning plate is horizontally and oppositely fixed on the inner wall of the accommodating channel, the guide rail plate is horizontally screwed above the positioning plate, the cup holder is provided with a teacup seat which can extend outwards and a guide plate which is formed on the inner side wall of the teacup seat, a sliding groove for accommodating the guide plate to move in a reciprocating manner is formed between the guide rail plate and the positioning plate, a baffle plate for limiting the guide plate to completely slide out of the accommodating channel is formed on the top surface of the positioning plate, a spring is arranged between the inner side face of the teacup seat and the groove bottom face of the accommodating groove channel, one end of the spring is hooked on the inner side face of the teacup seat, the other end of the spring is clamped on the inserting and buckling piece, and the inserting and buckling piece is connected with a female buckle fixed on the groove bottom face of the accommodating groove channel.

Preferably, the handrail assembly includes handrail bottom, handrail face lid, the compound face of silica gel lid and the hinge body, handrail face lid pressure inlays in the upper portion of handrail bottom, the recessed mounting groove of top surface shaping of handrail face lid, the compound face of silica gel lid pressure inlays in the mounting groove, compound face of silica gel is covered and is still attached to the silica gel layer, handrail bottom can be relative chair foot framework outside 90 degrees rotation and this hinge body is located inside handrail face lid through the hinge body, the bottom surface of handrail bottom still is fixed with a plurality of rubber pads with the contact of chair foot framework top surface.

Preferably, the hinge body comprises a large hinge seat, a small hinge seat and a connecting piece, the small hinge seat is provided with a first mounting plate, a first connecting plate and a first shaft, the first mounting plate is in threaded connection with the edge of the secondary top surface of the handrail bottom cover, the large hinge seat is provided with a second mounting plate, a second connecting plate and a second shaft, the second mounting plate is in threaded connection with the inner wall of the upper part of the cavity, the first shaft and the second shaft are horizontally fixed at the free ends of the first connecting plate and the second connecting plate respectively and extend towards two sides, and the connecting piece is sleeved between the first shaft and the second shaft respectively, so that the large hinge seat and the small hinge seat form a linkage structure.

The invention has the beneficial effects that: the left chair leg shell and the right chair leg shell which are matched in a clamping and embedding manner are adopted, so that the chair legs and the armrests form a whole, the problem of large error generated in the assembling process is solved, and meanwhile, the attractiveness of the auditorium chair is improved; the cavity in the chair leg frame body, the handrail component capable of covering the cavity and the writing board component capable of rotating in or out of the cavity in a matching mode realize that the writing board can be hidden in the cavity when not in use, so that the obstacle of personnel movement can not be caused, and the space can be saved.

Description of the drawings:

FIG. 1 is a perspective view of an auditorium chair according to the present invention;

FIG. 2 is a schematic top view of the chair seat and the hinge of the present invention;

FIG. 3 is a perspective view of the chair leg frame of the present invention;

FIG. 4 is a perspective view of the chair leg frame of the present invention;

FIG. 5 is a perspective view of the frame of the chair leg with the armrest assembly, side guards, trim panel, cross axle seat and foot plug removed;

FIG. 6 is a perspective view of the tablet assembly shown in FIG. 5;

FIG. 7 is a perspective view of the tablet assembly of the present invention;

FIG. 8 is a perspective view of a tablet frame according to the present invention;

FIG. 9 is a schematic perspective view of a strut according to the present invention;

FIG. 10 is a perspective view of the tablet assembly and the telescoping cup holder assembly with the upper and lower panels removed in accordance with the present invention;

FIG. 11 is a perspective view of the tablet assembly with the top and bottom panels removed and the telescoping cup holder assembly with the cup holder removed in accordance with the present invention;

FIG. 12 is a perspective view of the armrest assembly and left foot shell with the armrest panel removed in accordance with the present invention;

FIG. 13 is a perspective view of the hinge body of the present invention;

FIG. 14 is a perspective view of the armrest assembly with the hinge body removed in accordance with the present invention;

FIG. 15 is a perspective view of the armrest assembly with the hinge body removed in accordance with the present invention;

in the drawings: 1. a chair leg frame body; 2. a chair back; 3. a chair seat; 4. a rotating shaft; 5. a left chair leg housing; 6. a right chair leg housing; 7. a side guard plate; 8. a decorative plate; 9. a cavity; 10. a tablet assembly; 11. an armrest assembly; 12. a foot rest; 13. supporting a tube; 14. an armrest base; 15. a number plate; 16. a middle foot support frame; 17. a foundation bolt hole; 18. a foot plug; 19. a horizontal shaft seat; 20. a hinged seat; 21. a strut; 22. a tablet frame body; 23. a small branch cover; 24. a tablet support; 25. an upper panel; 26. a lower panel; 27. a large support cover; 28. a strut mounting groove; 29. a fan-shaped bump; 30. a limiting flange; 31. positioning holes; 32. a limiting boss; 33. blocking edges; 34. a telescoping cup holder assembly; 35. a limiting convex rib; 36. an accommodating channel; 37. a cup holder; 38. positioning a plate; 39. a guide rail plate; 40. a teacup holder; 41. a guide plate; 42. a baffle plate; 43. a spring; 44. a fastener; 45. a female buckle; 46. a handrail bottom cover; 47. a handrail surface cover; 48. a silica gel composite surface cover; 49. a hinge body; 50. a rubber pad; 51. a large hinge base; 52. a small hinge base; 53. connecting sheets; 54. a first mounting plate; 55. a first connecting plate; 56. a first shaft; 57. a second mounting plate; 58. a second connecting plate; 59. a second shaft.

The specific implementation mode is as follows:

as shown in fig. 1-15, auditorium chair, including chair foot framework 1, the back of the chair 2 and seat support 3, seat support 3 rotates with chair foot framework 1 through pivot 4 and is connected, chair foot framework 1 includes two integrated into one piece and each other inlay the complex left chair foot casing 5 and right chair foot casing 6, the lateral surface of left chair foot casing 5 and right chair foot casing 6 all inlays and has the side guard board 7, is located the outside the lock joint has decorative board 8 on the side guard board 7, left chair foot casing 5 and right chair foot casing 6 inlay the inside cavity 9 that is formed with behind the cooperation, the inside board subassembly 10 that can advance or roll out cavity 9 has been held to the inside of cavity 9, the top of cavity 9 is rotated and is provided with the handrail subassembly 11 that can cover and close cavity 9.

Specifically, be formed with foot rest 12, stay tube 13 and armrest base 14 behind left side chair foot casing 5 and the 6 cooperation of right chair foot casing, the junction inlay card of stay tube 13 and armrest base 14 has number plate 15 for with seat number mark on number plate 15, conveniently observe and look for the seat, the joint has well foot rest 16 on the corner face of cavity 9 lower part, there is rag bolt hole 17 relative shaping on foot rest 12 for be fixed in the auditorium chair ground, it has foot stopper 18 to insert in rag bolt hole 17, avoids the bolt to expose, influences the aesthetic property of auditorium chair.

Specifically, the outer wall of the cavity 9 is a cobweb-shaped hollowed-out reinforcing plate, so that the sufficient supporting strength can be improved, and the material can be saved.

Specifically, the inner side surface of the side guard plate 7 is relatively screwed with a cross shaft seat 19 matched with the rotating shafts 4 on the two sides of the seat 3, and a U-shaped notch is formed in the cross shaft seat 19, so that the seat 3 is convenient to mount.

Specifically, the tablet assembly 10 includes a hinge seat 20, a support rod 21, and a tablet frame 22, the hinge seat 20 is fixed inside the support tube 13 and near the top edge thereof, one end of the support rod 21 is hinged to the hinge seat 20, and the other end is rotatably connected to the tablet frame 22.

Specifically, the tablet framework 22 includes a tablet support 24, an upper panel 25, a lower panel 26, a small support cover 23 and a large support cover 27, the upper panel 25 and the lower panel 26 are respectively detachably mounted on the upper end surface and the lower end surface of the tablet support 24, a support rod mounting groove 28 is formed in the tablet support 24, the small support cover 23 and the large support cover 27 are respectively and oppositely clamped on the upper end surface and the lower end surface of the support rod mounting groove 28, so that the tablet support 24 can rotate relative to the axis of the support rod 21, the tablet framework 22 can be switched between a vertical state and a horizontal state by the arrangement, and the writing and the hiding of the cavity 9 are facilitated.

Specifically, a sector-shaped convex block 29 with a sector-shaped central angle of 70 degrees is oppositely formed on the outer circle section of the strut 21 between the small supporting cover 23 and the large supporting cover 27, a limit flange 30 which is pressed against the side surface of the fan-shaped convex block 29 is relatively formed on the inner wall of the strut mounting groove 28, the tablet holder 24 can be switched between the horizontal state and the vertical state by the interference of the fan-shaped protrusions 29 and the position-limiting flanges 30, the side surface of the tablet support 24 is provided with a positioning hole 31 for inserting the support rod 21 into the tablet support 24, a limiting convex edge 35 is relatively formed on the outer circular wall of the supporting rod 21, a limiting boss 32 which is vertically and relatively arranged and is abutted against the limiting convex edge 35 is formed on the inner wall of the positioning hole 31, the limiting convex ribs 35 abut against the limiting bosses 32 so that the tablet support 24 is parallel to or perpendicular to the ground, and flanges 33 are formed on the outer circle section of the support rod 21 outside the positioning hole 31. Two sets of limit structure in this setting can realize that tablet framework 22 switches at vertical state and horizontality, can also improve the bearing capacity of tablet framework 22 at the horizontality, are favorable to the user to lean on and write on the tablet framework 22.

Specifically, a telescopic cup holder assembly 34 is further arranged in the tablet support 24, the telescopic cup holder assembly 34 includes an accommodating channel 36, a cup holder 37, a positioning plate 38 and a guide rail plate 39, the accommodating channel 36 is horizontally arranged and has a structure with three sides closing one side opening, the positioning plate 38 is horizontally and relatively fixed on the inner wall of the accommodating channel 36, the guide rail plate 39 is horizontally screwed above the positioning plate 38, the cup holder 37 has a cup holder 40 capable of extending outwards and a guide plate 41 formed on the inner side wall of the cup holder 40, a sliding slot for accommodating the guide plate 41 in a reciprocating manner is formed between the guide rail plate 39 and the positioning plate 38, a baffle 42 for limiting the guide plate 41 to completely slide out of the accommodating channel 36 is formed on the top surface of the positioning plate 38, a spring 43 is arranged between the inner side surface of the cup holder 40 and the bottom surface of the accommodating channel 36, one end of the spring 43 is hooked on the inner side surface, the other end is clamped on the inserting piece 44, the inserting piece 44 is in buckling connection with the female buckle 45 arranged on the bottom surface of the accommodating groove channel 36, and the cup is convenient to place for a user and can also play a role in saving space.

Specifically, the armrest assembly 11 comprises an armrest bottom cover 46, an armrest surface cover 47, a silicone composite surface cover 48 and a hinge body 49, the handrail surface cover 47 is pressed and embedded on the upper part of the handrail bottom cover 46, the top surface of the handrail surface cover 47 is formed with a concave panel mounting groove, the silica gel composite surface cover 48 is pressed and embedded in the panel mounting groove, a silica gel layer is also attached to the silica gel composite surface cover 48, the silica gel layer in the arrangement can adopt skin-friendly silica gel, the comfort of the user sitting on the skin of the arm for a long time is ensured, the armrest bottom cover 46 can rotate 90 degrees outwards relative to the chair leg frame body 1 through the hinge body 49, and the hinge body 49 is positioned inside the armrest surface cover 47, so that the traditional exposed hinge is replaced, the integral aesthetic property of the auditorium chair is improved, a plurality of rubber pads 50 contacting with the top surface of the seat leg frame body 1 are fixed on the bottom surface of the armrest bottom cover 46, so that impact sound generated when the armrest bottom cover 46 is covered is eliminated.

Specifically, the hinge body 49 includes a large hinge base 51, a small hinge base 52 and a connecting piece 53, the small hinge base 52 has a first mounting plate 54, a first connecting plate 55 and a first shaft 56, the first mounting plate 54 is screwed on the edge of the secondary top surface of the armrest bottom cover 46, the large hinge base 51 has a second mounting plate 57, a second connecting plate 58 and a second shaft 59, the second mounting plate 57 is screwed on the inner wall of the upper part of the cavity 9, the first shaft 56 and the second shaft 59 are horizontally fixed on the free ends of the first connecting plate 55 and the second connecting plate 58 respectively and extend towards two sides, and the connecting piece 53 is sleeved between the first shaft 56 and the second shaft 59 respectively, so that the large hinge base 51 and the small hinge base 52 form a linkage structure.

The specific working principle is as follows: when a person sits on the seat 3, the armrest assembly 11 can be opened by the right hand, the tablet frame 22 is held by the hand to rotate, the supporting rod 21 is rotated out of the cavity 9 to be in a horizontal state, the tablet frame 22 is turned by taking the supporting rod 21 as an axis line, the position of the tablet frame 22 is automatically limited in a way that the tablet frame is parallel to the ground, and the armrest assembly 11 is covered again to write.

The foregoing is only for the purpose of understanding the method and the core concept of the present invention, and it should be noted that modifications and variations can be made by those skilled in the art without departing from the principle of the present invention, and these modifications and variations also fall into the protection scope of the appended claims.