CN214855541U

CN214855541U - Writing board structure of auditorium chair

Info

Publication number: CN214855541U
Application number: CN202023286801.9U
Authority: CN
Inventors: 岳守江
Original assignee: Anji Yuejie Furniture Co ltd
Current assignee: Anji Yuejie Furniture Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-11-26
Anticipated expiration: 2030-12-30

Abstract

The utility model provides a hall chair writing board structure belongs to hall chair technical field. The wordpad structure of the auditorium chair comprises a mounting structure, a wordpad body and a rotating structure. The utility model provides a fixed block rotates towards the direction of keeping away from the chair foot, the drive is connected in the dwang of fixed block and is rotated towards the direction of keeping away from the chair foot, it rotates towards the direction of keeping away from the chair foot to drive the backup pad, first supporting part supports the dwang after the fixed block rotates the first predetermined angle, the dwang rotates round its self axis in the second pivoted slot, it rotates to drive the backup pad round the axis of dwang, thereby can adjust the position of board body, make the fixed block rotate the second predetermined angle towards the direction of being close to the mounting groove in the chair foot when needs are received the board body, thereby it moves to the mounting groove to drive the dwang, the dwang is supported to the second supporting part, be convenient for accomodate the board body, and the stable in structure, and the operation is simple.

Description

Writing board structure of auditorium chair

Technical Field

The utility model relates to an auditorium chair technical field, concretely relates to auditorium chair board structure of writing.

Background

The auditorium chair consists of chair seat, chair back, arm rests and legs, and is suitable for use in auditorium, theatre hall, report hall, etc. In general, the standing legs and the handrails are integrated to form a firmly installed handrail frame, and the composition structure of the handrail frame is generally a steel-wood structure or a steel-plastic structure. According to the use requirement, an auditorium chair applied to an auditorium and the like needs to be provided with a writing board (or called a writing board) for placing files and recording. However, the existing auditorium chair is fixed on the support frame of the chair support leg through the shaft by the screw, the writing board is arranged on the shaft, so that the rotation of the writing board can be realized, but after the writing board is used for a long time, the shaft is easy to loosen, the writing board is connected to the support frame through the universal joint, and after the writing board is used for a long time, the universal joint cannot be pressed to easily loosen, so that the structure is unstable.

Chinese patent CN111134480A, published japanese 2020-5-12 disclose an auditorium chair with a storable writing board, aiming at solving the problems of heavy structure and inconvenient operation of the existing auditorium chair. The writing board arranged on the front side of the armrest is provided with a round rod; the front end of the round rod is horizontally arranged at the bottom of the writing board in the axial direction, and the rear end of the round rod is provided with a cylindrical guide block with one end vertically fixed with the round rod; the armrest is provided with a containing cavity with a forward opening, a buffering clamping block arranged in the containing cavity and a rotating body horizontally and rotatably arranged in the containing cavity; the rotating body is provided with a round hole which is suitable for the rear end part of the round rod to be inserted and the axial direction of the round hole is vertical to the axial direction of the rotating body, and a guide hole which is convenient for the guide block to rotate and pass through; the guide hole is arranged at the top of the rotating body and communicated with the round hole; when the writing board is in a use state, the rear end part of the round rod is positioned outside the round hole and is abutted against the handrail, and the guide block is axially horizontal and is abutted against the rotating body; when the writing board is swung for 90 degrees to be switched to a non-use state, the rear end part of the round rod is positioned in the round hole, and the guide block is axially vertical; when the tablet is located and holds the chamber, buffering fixture block top surface butt in tablet edge face. The writing board in the above patent is fixed on the support frame through the axle, and after long-time use, the axle is easy not hard up, and the structure is unstable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an auditorium chair writing board structure to the not enough of above-mentioned prior art.

The utility model provides a writing board structure of an auditorium chair, which is used for being connected with the chair leg of the auditorium chair, and comprises a mounting structure arranged on the chair leg, a writing board body, a rotating structure with one end rotatably connected with the mounting structure and the other end connected with the writing board body, wherein the mounting structure comprises a mounting block arranged on the chair leg, a first supporting part arranged at one end of the mounting block and used for supporting one end of the rotating structure when the rotating structure rotates a first preset angle towards the direction far away from the chair leg, a second supporting part arranged at the other end of the mounting block and used for supporting one end of the rotating structure when the rotating structure rotates a second preset angle towards the direction close to the mounting groove in the chair leg, a first fixing groove arranged at one end of the second supporting part, and a second fixing groove arranged at the other end of the second supporting part, wherein the rotating structure comprises a fixing block and a first rotating groove arranged on the fixing block, one end of the rotating shaft penetrates through the first fixing groove and the first rotating groove in sequence and is fixed on the second fixing groove, the second rotating groove is formed in the fixing block and is used for supporting the supporting plate of the writing board body, and the other end of the rotating shaft penetrates through the second rotating groove and is connected to the supporting plate and can rotate around the axis of the rotating shaft in the second rotating groove.

Further, the support plate is connected to the tablet body by screws.

Further, the installation piece includes the U template, sets up in U template one end, is used for connecting in the first connecting plate of chair foot one end, sets up in the U template other end, is used for connecting in the second connecting plate of the chair foot other end, first supporting part is for cup jointing in the elasticity rubber supporting part of U template, the second supporting part sets up in the other end of U template.

Further, pivot one end is equipped with first screw thread portion, and the other end is equipped with first backstop board, still includes the first nut that is used for spiro union in first screw thread portion when pivot one end passes first fixed slot, first rotation groove in proper order and stretches out the second fixed slot.

Further, the dwang is including connecting in the first connecting portion of backup pad, and one end passes the second rotation groove and connects in the second connecting portion of first connecting portion, sets up in the second backstop board of the second connecting portion other end.

Further, still including setting up the third fixed slot on the U template, set up on first connecting portion, be used for when the dwang rotates the third preset angle butt in the third backstop board of third fixed slot.

Furthermore, the third fixed slot is symmetrically arranged at two ends of the U-shaped plate, and the third stop plates are fixed at two ends of the first connecting part.

Further, a thread groove is formed in the inner side of one end of the first connecting portion, and a second thread portion for being screwed in the thread groove is formed in one end of the second connecting portion.

Further, the installation piece is the metal installation piece, the backup pad is the metal backup pad, the dwang is the metal dwang, the pivot is the metal pivot.

Further, first rotation groove sets up in second rotation groove upper end, still including being fixed in first rotation inslot first bearing, being fixed in the second and rotating inslot second bearing, pivot one end passes first fixed slot in proper order, cup joints in first bearing and stretches out the second fixed slot, second connecting portion one end cup joints in the second bearing and connects in first connecting portion.

The utility model discloses a hall chair board structure of writing has following beneficial effect:

1. one end of the rotating shaft sequentially passes through the first fixing groove, the first rotating groove and is fixed on the second fixing groove, so that the fixing block is rotatably connected to the rotating shaft, the fixing block can rotate towards the direction far away from the chair leg, the rotating rod connected to the fixing block is driven to rotate towards the direction far away from the chair leg, the supporting plate is driven to rotate towards the direction far away from the chair leg, the first supporting part supports the rotating rod after the fixing block rotates for a first preset angle so as to avoid the fixing block from continuously rotating around the axis of the rotating shaft, the rotating rod rotates around the axis of the rotating rod in the second rotating groove, the supporting plate is driven to rotate around the axis of the rotating rod, so that the position of the writing board body can be adjusted, when the writing board body needs to be folded, the fixing block rotates for a second preset angle towards the direction close to the mounting groove in the chair leg, and the rotating rod is driven to move into the mounting groove, the second supporting part supports the rotating rod, so that the writing board body is convenient to store, the structure is stable, and the operation is simple and convenient;

2. the two ends of the U-shaped plate are respectively fixed on the chair legs through the first connecting plate and the second connecting plate, the U-shaped plate is convenient for the rotating rod to drive the fixing block to move towards the direction close to and away from the chair legs, the first supporting part is an elastic rubber supporting part, the rotating rod can be prevented from impacting the first supporting part for a long time to damage the rotating rod and the first supporting part, and the service life of the rotating rod and the first supporting part is prolonged;

3. the rotating rod rotates by a third preset angle, and the third stop plate abuts against the third fixing groove, so that the third stop plate can be supported by the third fixing groove, the rotating rod is further supported, and the strength of the rotating rod for driving the fixing block to rotate by the first preset angle towards the direction away from the chair leg is improved;

4. the installation piece is the metal installation piece, and the backup pad is the metal backup pad, and the dwang is the metal dwang, and the pivot is the metal pivot, improves the intensity of whole structure, improves life.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are directed to some, but not all embodiments of the invention. For a person skilled in the art, other figures can be derived from these figures without inventive effort.

Fig. 1 is a schematic structural view of a writing board structure of an auditorium chair according to an embodiment of the present invention;

fig. 2 is a schematic view of a partial structure of a writing board structure of an auditorium chair according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a rotation structure in a writing board structure of an auditorium chair according to an embodiment of the present invention.

In the figure: 1-supporting plate, 21-U-shaped plate, 211-first supporting part, 212-second supporting part, 22-first connecting plate, 23-second connecting plate, 31-rotating rod, 32-fixing block, 321-first rotating groove, 33-third stopping plate, 34-rotating shaft, 341-first stopping plate, 342-first nut, 343-first fixing groove, 344-second fixing groove, 35-second stopping plate and 351-second rotating groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

Please refer to fig. 1 to 3. The office board structure of the auditorium chair of the embodiment of the utility model is used for being connected with the chair leg of the auditorium chair, and comprises a mounting structure arranged on the chair leg, a writing board body, a rotating structure with one end rotatably connected with the mounting structure and the other end connected with the writing board body, the mounting structure comprises a mounting block arranged on the chair leg, a first supporting part 211 arranged at one end of the mounting block and used for supporting one end of the rotating structure when the rotating structure rotates a first preset angle towards the direction far away from the chair leg, a second supporting part 212 arranged at the other end of the mounting block and used for supporting one end of the rotating structure when the rotating structure rotates a second preset angle towards the direction close to the mounting groove in the chair leg, a first fixing groove 341 arranged at one end of the second supporting part 212, a second fixing groove 344 arranged at the other end of the second supporting part 212, the rotating structure comprises a fixing block 32 and a first rotating groove 321 arranged on the fixing block 32, one end of the rotation shaft 34 sequentially passes through the first fixing groove 341 and the first rotation groove 321 and is fixed to the second fixing groove 344, the second rotation groove 351 is formed in the fixing block 32 to support the support plate 1 of the tablet body, and the other end of the rotation shaft 31 passes through the second rotation groove 351 and is connected to the support plate 1 and can rotate around the axis of the rotation shaft in the second rotation groove 351.

Here, one end of the rotation shaft 34 sequentially passes through the first fixing groove 341 and the first rotation groove 321 and is fixed to the second fixing groove 344, so that the fixing block 32 is rotatably connected to the rotation shaft 34, so that the fixing block 32 can rotate in a direction away from the chair leg, thereby driving the rotation shaft 31 connected to the fixing block 32 to rotate in a direction away from the chair leg, and further driving the support plate 1 to rotate in a direction away from the chair leg, after the fixing block 32 rotates by a first preset angle, the first supporting portion 211 supports the rotation shaft 31 to prevent the fixing block 32 from continuing to rotate around the axis of the rotation shaft 34, the rotation shaft 31 rotates around its own axis in the second rotation groove 351, thereby driving the support plate 1 to rotate around the axis of the rotation shaft 31, so that the position of the tablet body can be adjusted, when the tablet body needs to be folded, the fixing block 32 rotates by a second preset angle in a direction close to the mounting groove in the chair leg, thereby drive dwang 31 and move to the mounting groove in, dwang 31 is lived to the second supporting part support, is convenient for accomodate the board body, stable in structure, easy and simple to handle.

The supporting plate 1 can be connected to the writing board body through screws, and is simple and convenient to mount.

The installation piece can include U template 21, set up in U template 21 one end, be used for connecting in the first connecting plate 22 of chair foot one end, set up in the U template 21 other end, be used for connecting in the second connecting plate 23 of the chair foot other end, first supporting part 211 is for cup jointing in the elasticity rubber supporting part of U template 21, and second supporting part 212 sets up in the other end of U template 21. First connecting plate 22 and second connecting plate 23 are fixed in the chair foot with the both ends of U template 21 respectively on, U template 21 is convenient for dwang 31 to drive fixed block 32 towards the direction motion of being close to and keeping away from the chair foot, and first supporting part 211 is the elastic rubber supporting part, can avoid dwang 31 long-term striking first supporting part 211 and damage dwang 31 and first supporting part 211, improves the life of dwang 31 and first supporting part 211.

The first screw thread portion can be equipped with to pivot 34 one end, the other end is equipped with first backstop board 341, still include and be used for passing first fixed slot 341 in proper order in pivot 34 one end, first rotating slot 321 and the first nut 342 of spiro union in first screw thread portion when stretching out second fixed slot 344, improve the stability of pivot 34 installation, fixed block 32 can be elasticity fixed block 32, elasticity fixed block 32 both ends can butt respectively in second supporting part 212 both ends, thereby make fixed block 32 can not take place to rotate under the condition that does not have the external force, avoid the board body to take place to rotate, improve the stability of board body.

The rotating lever 31 may include a first connecting portion connected to the support plate 1, a second connecting portion having one end passing through the second rotating groove 351 and connected to the first connecting portion, and a second stopper plate 35 disposed at the other end of the second connecting portion, the second stopper plate 35 limiting the second connecting portion when the second connecting portion passes through the second rotating groove 351 and connected to the first connecting portion.

The tablet structure of the auditorium chair in this embodiment may further include a third fixing groove disposed on the U-shaped plate 21, and a third stopping plate 33 disposed on the first connecting portion and configured to abut against the third fixing groove when the rotating rod 31 rotates by a third predetermined angle.

The third fixing grooves may be two symmetrically disposed at two ends of the U-shaped plate 21, and the third stopping plates 33 are two fixed at two ends of the first connecting portion. The rotating rod 31 rotates a third preset angle, the third stop plate 33 abuts against the third fixing groove, so that the third stop plate 33 can be supported by the third fixing groove, the rotating rod 31 is further supported, and the strength of the rotating rod 31 for driving the fixing block 32 to rotate the first preset angle in the direction away from the chair leg is improved.

The inner side of one end of the first connecting part may be provided with a thread groove, and one end of the second connecting part may be provided with a second thread part for being screwed in the thread groove, so that the rotating rod 31 may be rotatably connected to the fixing block 32 by screwing the first connecting part in the second connecting part.

The installation piece can be metal installation piece, and backup pad 1 is metal support plate 1, and dwang 31 is metal dwang 31, and pivot 34 is metal pivot 34, improves the intensity of whole structure, improves life.

First rotation groove 321 can set up in second rotation groove 351 upper end, still including being fixed in the first bearing that rotates in groove 321, be fixed in the second bearing that second rotation groove 351 was interior, first fixed slot 341 is passed in proper order to pivot 34 one end, cup joint in first bearing and stretch out second fixed slot 344, second connecting portion one end cup joints in the second bearing and connects in first connecting portion, first bearing can conveniently support pivot 34 and rotate, avoid pivot 34 direct contact fixed block 32, damage pivot 34 and fixed block 32 after long-time use easily, the second bearing can conveniently support first connecting portion and rotate, avoid first connecting portion direct contact fixed block 32, damage first connecting portion and fixed block 32 after long-time use easily.

The above-described embodiments can be implemented individually or in various combinations, and such variations are within the scope of the present invention.

It should be noted that, in the description of the present application, it should be noted that the terms "upper end", "lower end" and "bottom end" indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which the product of the application is usually placed in when the product of the application is used, and are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the device referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present application. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides an auditorium chair board structure of writing for connect in the chair foot of auditorium chair, its characterized in that: comprises a mounting structure arranged on a chair foot, a writing board body, a rotating structure with one end rotatably connected with the mounting structure and the other end connected with the writing board body, the mounting structure comprises a mounting block arranged on the chair foot, a first supporting part (211) arranged at one end of the mounting block and used for supporting one end of the rotating structure when the rotating structure rotates towards the direction far away from the chair foot by a first preset angle, a second supporting part (212) arranged at the other end of the mounting block and used for supporting one end of the rotating structure when the rotating structure rotates towards the direction close to the mounting groove in the chair foot by a second preset angle, a first fixing groove (343) arranged at one end of the second supporting part (212), and a second fixing groove (344) arranged at the other end of the second supporting part (212), the rotating structure comprises a fixing block (32) and a first rotating groove (321) arranged on the fixing block (32), one end of the rotating shaft (34) penetrates through the first fixing groove (343) and the first rotating groove (321) in sequence and is fixed on the second fixing groove (344), the second rotating groove (351) is arranged on the fixing block (32) and is used for supporting the supporting plate (1) of the writing board body, and the other end of the rotating shaft (31) penetrates through the second rotating groove (351) and is connected to the supporting plate (1) and can rotate around the axis of the rotating shaft in the second rotating groove (351).

2. The tablet structure of the auditorium chair of claim 1, wherein: the support plate (1) is connected to the tablet body through a screw.

3. An auditorium chair tablet structure as claimed in claim 1 or 2, wherein: the installation piece includes U template (21), sets up in U template (21) one end, is used for connecting in first connecting plate (22) of chair foot one end, sets up in U template (21) other end, is used for connecting in second connecting plate (23) of the chair foot other end, first supporting part (211) are for cup jointing the elasticity rubber supporting part in U template (21), second supporting part (212) set up in the other end of U template (21).

4. An auditorium chair tablet structure as claimed in claim 3, wherein: one end of the rotating shaft (34) is provided with a first thread part, the other end of the rotating shaft is provided with a first stop plate (341), and the rotating shaft further comprises a first nut (342) which is used for screwing the first thread part when one end of the rotating shaft (34) sequentially passes through the first fixing groove (343) and the first rotating groove (321) and extends out of the second fixing groove (344).

5. An auditorium chair tablet structure as claimed in claim 3, wherein: dwang (31) is including connecting in the first connecting portion of backup pad (1), and second rotation groove (351) is passed and second connecting portion in first connecting portion are connected to one end, set up in second backstop board (35) of the second connecting portion other end.

6. An auditorium chair tablet structure as claimed in claim 5, wherein: the U-shaped plate is characterized by further comprising a third fixing groove arranged on the U-shaped plate (21), and a third stopping plate (33) arranged on the first connecting portion and used for abutting against the third fixing groove when the rotating rod (31) rotates for a third preset angle.

7. An auditorium chair tablet structure as claimed in claim 6, wherein: the third fixed slots are symmetrically arranged at two ends of the U-shaped plate (21), and the third stop plates (33) are fixed at two ends of the first connecting portion.

8. An auditorium chair tablet structure as claimed in claim 5, wherein: the inner side of one end of the first connecting part is provided with a thread groove, and one end of the second connecting part is provided with a second thread part which is screwed in the thread groove.

9. An auditorium chair tablet structure as claimed in claim 3, wherein: the installation piece is the metal installation piece, backup pad (1) is metal support plate (1), dwang (31) are metal dwang (31), pivot (34) are metal pivot (34).

10. An auditorium chair tablet structure as claimed in claim 5, wherein: first rotation groove (321) set up in second rotation groove (351) upper end, still including being fixed in first rotation groove (321) in first bearing, be fixed in the second bearing that second rotation groove (351) was inside, first fixed slot (343), cup joint in first bearing and stretch out second fixed slot (344) are passed in proper order to pivot (34) one end, second connecting portion one end cup joints in the second bearing and connects in first connecting portion.