CN216358426U

CN216358426U - Writing board support

Info

Publication number: CN216358426U
Application number: CN202123396102.4U
Authority: CN
Inventors: 江细华; 黄许东
Original assignee: Guangdong Yaqi Furniture Industry Co ltd
Current assignee: Guangdong Yaqi Furniture Industry Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-04-22
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a writing board bracket, which belongs to the technical field of furniture, and comprises a fixing plate and a supporting plate, and is characterized in that: be equipped with between fixed plate and the backup pad and change the elbow, it is on the fixed plate to change elbow rotatable coupling, backup pad rotatable coupling is on changeing the elbow, and the backup pad is used for installation and fixed board, and the backup pad has narrow bearing surface under the width. The supporting surface with the wide upper part and the narrow lower part is arranged, so that the supporting area of the tablet is increased, stable support can be provided for the tablet, and the use stability is improved; through the commentaries on classics elbow that sets up, make and change elbow and fixed plate, the backup pad with change and be the rotation between the elbow and be connected, convenient to use, it is folding convenient, can maximize save folding back space.

Description

Writing board support

Technical Field

The utility model relates to the technical field of furniture, in particular to a writing board support.

Background

In order to meet the requirements of people on study, office, meeting and article placement, the existing chair is often provided with a writing board, but the existing chair with the writing board is provided with a writing board support, see the Chinese granted utility model patent with the granted notice number of CN204378534U and the granted notice date of 2015, 06, 10, and specifically comprises a backrest, a cushion, two side armrests, a base and the writing board, and is characterized by further comprising a movable support, wherein the movable support consists of a fixed rod, a movable rod, a direction wheel and a loose-leaf assembly, the fixed rod is vertically fixed at one side of the chair, the bottom end of the fixed rod is connected with the cushion, the upper end of the fixed rod is connected with the armrests, the direction wheel comprises a fixed wheel, a rotating wheel, a clamping tenon, a shaft rod and a knob, the movable rod is an L-shaped component, the loose-leaf assembly is a T-shaped component, wherein the fixed wheel is connected with the top end of the fixed rod, the rotating wheel is connected with a long rod port of the movable rod, a short rod port of the movable rod is connected with the bottom end of the vertical rod of the hinge assembly, a plurality of hinges are mounted on the outer side surface of the cross rod of the hinge assembly, and the hinges are connected with the center of the bottom surface of the writing board. As can be seen from the accompanying drawings of the specification, the writing board is installed only through the movable rod, the bearing area is small, the bearing is not firm enough, and the writing board is not stable enough when used for writing, and on the other hand, the folding mode of the writing board according to paragraph [ 0022 ] of the specification is complex, the writing board is attached to the backrest, the movable rod is long, the writing board cannot be further folded, and the occupied space is large.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a writing board support which can provide stable support for a writing board, has large bearing area, is stable to use, has a simple structure, is convenient to fold and can maximally save the space after folding.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a tablet support, includes fixed plate, backup pad, its characterized in that: be equipped with between fixed plate and the backup pad and change the elbow, it is on the fixed plate to change elbow rotatable coupling, backup pad rotatable coupling is on changeing the elbow, and the backup pad is used for installation and fixed board, and the backup pad has narrow bearing surface under the width.

As a further improvement of the scheme, the fixing plate is integrally formed and comprises a head ball end and a flat straight section, the head ball end is connected with the elbow, a cavity is formed in the side end, close to the elbow, of the head ball end, and the cavity wall of the cavity comprises a plane and a stop surface, wherein the plane is formed along the length direction of the flat straight section, and the stop surface forms a corner with the plane.

As a further improvement of the above scheme, the stop surface is a curved surface extending outward in a direction away from the plane, and upper and lower ends of the curved surface are respectively connected with upper and lower end surfaces of the ball end of the connector.

As a further improvement of the above scheme, the plane is provided with a first through hole, a first arc-shaped groove is arranged at the lower right side of the first through hole, and the circle center corresponding to the first arc-shaped groove coincides with the circle center of the first through hole.

As a further improvement of the above scheme, the swivel elbow is spherical, the left side and the right side of the swivel elbow are respectively provided with a first transfer surface and a second transfer surface which are tightly connected with the head ball end and the support plate, the first transfer surface is provided with a first rotating shaft which rotates in the first through hole, and the side of the first rotating shaft is provided with a first clamping column which moves in the first arc-shaped groove.

As a further improvement of the scheme, one end of the supporting plate, which is connected with the elbow, is provided with a curved body part matched with the curved surface, and when the support is folded, the curved body part is attached to the stop surface.

As a further improvement of the above scheme, the curved body is located on the other back side of the support plate on which the tablet is mounted, a second through hole is formed in the end surface of the support plate connected with the rotating shaft, a second arc-shaped groove is formed in one side, close to the curved body, of the second through hole, the second arc-shaped groove is semicircular, and the circle center corresponding to the second arc-shaped groove coincides with the circle center of the second through hole.

As a further improvement of the scheme, a second rotating shaft rotating in the second through hole is arranged on the second switching surface, and a second clamping column moving in the second arc-shaped groove is arranged beside the second rotating shaft.

As a further improvement of the scheme, mounting holes for mounting and fixing the writing board are distributed on the supporting plate, and the supporting surface is gradually enlarged from the tail end to the direction close to the second through hole.

As a further improvement of the scheme, two positioning lines are symmetrically distributed on the straight section along the length direction of the straight section, the two positioning lines are arranged at intervals, and positioning points are respectively arranged at two ends of the outer side, far away from each other, of the two positioning lines.

The utility model has the beneficial effects that: the supporting surface with the wide upper part and the narrow lower part is arranged, so that the supporting area of the tablet is increased, stable support can be provided for the tablet, and the use stability is improved; through the commentaries on classics elbow that sets up, make and change elbow and fixed plate, the backup pad with change and be the rotation between the elbow and be connected, convenient to use, it is folding convenient, can maximize save folding back space.

Drawings

FIG. 1 is a front view of a tablet support according to an embodiment of the present invention folded;

FIG. 2 is a side view of a tablet support folded in accordance with an embodiment of the present invention;

FIG. 3 is a top view of the tablet support folded in accordance with an embodiment of the present invention;

FIG. 4 is a perspective view of a tablet support according to an embodiment of the present invention folded;

FIG. 5 is a perspective view of the tablet support of the present invention folded from another perspective;

FIG. 6 is a perspective view of the elbow of the tablet support of the present invention when folded;

FIG. 7 is a top view of a tablet support in accordance with an embodiment of the present invention shown in an expanded configuration;

FIG. 8 is a perspective view of a tablet support in accordance with an embodiment of the present invention shown in an expanded position;

FIG. 9 is a perspective view of the tablet support of the present invention shown in another expanded view;

FIG. 10 is a perspective view of an elbow of a tablet support according to an embodiment of the present invention shown when the tablet support is deployed;

fig. 11 is a side view of a fixation plate in an embodiment of the utility model;

FIG. 12 is a top view of a fixation plate in an embodiment of the present invention;

FIG. 13 is a perspective view of a fixation plate in an embodiment of the present invention;

FIG. 14 is a perspective view of another perspective of a fixation plate in accordance with an embodiment of the present invention;

FIG. 15 is a top view of a swivel elbow in an embodiment of the present invention;

FIG. 16 is a perspective view of a swivel elbow in an embodiment of the present invention;

FIG. 17 is a perspective view of an alternative angle of rotation of the elbow in accordance with an embodiment of the present invention;

FIG. 18 is a side view of a support plate in an embodiment of the present invention;

FIG. 19 is a perspective view of a support plate in an embodiment of the present invention;

fig. 20 is a perspective view of another perspective of the support plate in an embodiment of the present invention.

In the figure:

1. the fixing plate comprises a fixing plate body 11, a head ball end 12, a straight section 13, a cavity 14, a stop surface 15, a positioning line 16, a positioning point 17, a first through hole 18, a first arc-shaped groove 19 and a plane;

2. the supporting plate 21, the bearing surface 22, the second through hole 23, the second arc-shaped groove 24, the curved body part 25 and the mounting hole;

3. the rotary elbow comprises a rotary elbow 31, a first transfer surface 32, a second transfer surface 33, a first rotating shaft 34, a first clamping column 35, a second rotating shaft 36 and a second clamping column.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1-20, the tablet support according to the present invention includes a fixing plate 1 and a supporting plate 2, wherein a rotating elbow 3 is disposed between the fixing plate 1 and the supporting plate 2, the rotating elbow 3 is rotatably connected to the fixing plate 1, the supporting plate 2 is rotatably connected to the rotating elbow 3, the supporting plate 2 is used for mounting and fixing a tablet, and the supporting plate 2 has a supporting surface 21 with a wide top and a narrow bottom.

The bearing surface 21 with a wide upper part and a narrow lower part is arranged, so that the bearing area of the writing board is increased, stable support can be provided for the writing board, and the use stability is improved; through the commentaries on classics elbow 3 that sets up, make and change elbow 3 and fixed plate 1, backup pad 2 with change and be connected with rotating between the elbow 3, convenient to use, it is folding convenient, can maximize save folding back space.

Further as a preferred embodiment, the fixing plate 1 is formed in one piece and includes a head ball end 11 and a flat straight section 12, the head ball end 11 is connected to the elbow 3, a cavity 13 is formed at a side end of the head ball end 11 close to the elbow 3, and a cavity wall of the cavity 13 includes a flat surface 19 formed along a length direction of the flat straight section 12 and a stop surface 14 forming a corner with the flat surface 19. The cavity 13 can accommodate the end parts of the rotating elbow 3 and the supporting plate 2 when the bracket is folded, so that the compactness of the structure is improved, and the occupied space after folding is saved.

In a further preferred embodiment, the stop surface 14 is a curved surface extending outward away from the plane 19, and the upper and lower ends of the curved surface are respectively connected with the upper and lower end surfaces of the ball end 11. The curved surface not only matches with the structure of the support plate 2, but also plays a role of stopping the support plate 2 and a role of marking the direction of the bracket unfolded by the user.

Further as a preferred embodiment, two positioning lines 15 are symmetrically distributed on the straight section 12 along the length direction thereof, the two positioning lines 15 are arranged at intervals, and positioning points 16 are respectively arranged at two ends of the outer side of the two positioning lines 15, which are far away from each other.

In actual installation, the fixed plate 1 may be an armrest plate of a chair, and armrest cushions such as leather for supporting hands of a human body are mounted on the straight section 12. The surface of head bulb 11 is glossy arc surface, and the arc surface of head bulb 11 forms excessive circular arc with the surface of commentaries on classics elbow 3, can solve among the prior art chair corner acutely, causes the user to collide with injured's problem easily, can also increase the aesthetic feeling of design.

Further as a preferred embodiment, the plane 19 is provided with a first through hole 17, a first arc-shaped groove 18 is arranged at the lower right of the first through hole 17, and the center of the circle corresponding to the first arc-shaped groove 18 coincides with the center of the circle of the first through hole 17.

Further as a preferred embodiment, the swivel elbow 3 is spherical, the left and right sides of the swivel elbow 3 are respectively provided with a first transfer surface 31 and a second transfer surface 32 tightly connected with the head ball end 11 and the support plate 2, the first transfer surface 31 is provided with a first rotating shaft 33 rotating in the first through hole 17, and the side of the first rotating shaft 33 is provided with a first clamping column 34 moving in the first arc-shaped groove 18.

In a further preferred embodiment, the end of the support plate 2 connected to the elbow 3 is provided with a curved body 24 matching with the curved surface, and when the support is folded, the curved body 24 abuts against the stop surface 14.

Further as a preferred embodiment, the curved body portion 24 is located on the other back surface of the support plate 2 where the tablet is installed, the end surface of the support plate 2 connected to the rotating shaft is provided with a second through hole 22, one side of the second through hole 22 close to the curved body portion 24 is provided with a second arc-shaped groove 23, the second arc-shaped groove 23 is semicircular, and the circle center corresponding to the second arc-shaped groove 23 coincides with the circle center of the second through hole 22.

Further as a preferred embodiment, the second adapting surface 32 is provided with a second rotating shaft 35 rotating in the second through hole 22, and a second locking column 36 moving in the second arc-shaped groove 23 is provided beside the second rotating shaft 35.

Further as preferred embodiment, the supporting plate 2 is distributed with mounting holes 25 for mounting and fixing the tablet, in this embodiment, the number of the mounting holes 25 is 3, wherein 2 of the mounting holes 25 are located on the wider side of the supporting surface 21, the remaining 1 of the mounting holes 25 are located on the narrower side, the supporting surface 21 gradually increases from the end to the direction close to the second through hole 22, the supporting area with the tablet is increased, stable support can be provided for the tablet, and the use stability is improved.

When the support is in a folded state, the first positioning column 34 is located at one end, close to the outer surface of the head ball end 11, in the first arc-shaped groove 18, see the position marked as Z1 in fig. 11, the support plate 2 is vertically placed, the curved body portion 24 of the support plate 2 is tightly attached to the stop surface 14 of the head ball end 11, the second positioning column 36 is located at the top end in the second arc-shaped groove 23 in the vertically placed state of the support plate 2, see the position marked as Z2 in fig. 18, and under the clamping effect of the first positioning column 34 and the second positioning column 36, the folded support plate 2 keeps the vertical state;

when the writing board is needed to be used, the support plate 2 is manually lifted towards the head ball end 11, the rotating elbow 3 is driven to rotate anticlockwise by taking the first rotating shaft 33 as a center, the first clamping column 34 moves along the first arc-shaped groove 18, and is finally limited at one end, close to the middle part of the stop surface 14, of the first arc-shaped groove 18, the position marked as K in the figure 11 is referred to, the support plate 2 rotates 180 degrees clockwise by taking the second rotating shaft 35 as a center, the second arc-shaped groove 23 rotates 180 degrees simultaneously, the tail end of the second arc-shaped groove 23 abuts against the second clamping column 36, at the moment, the support plate 2 is perpendicular to the fixing plate 1, the bearing surface 21 of the support plate 2 faces upwards, and when the writing board is installed on the bearing surface 21, the writing board can be normally used.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, and the scope of protection is still within the scope of the utility model.

Claims

1. The utility model provides a tablet support, includes fixed plate (1), backup pad (2), its characterized in that: be equipped with between fixed plate (1) and backup pad (2) and change elbow (3), change elbow (3) rotatable coupling on fixed plate (1), backup pad (2) rotatable coupling is on changeing elbow (3), and backup pad (2) are used for installation and fixed board, and backup pad (2) have narrow bearing surface (21) under the upper width.

2. A tablet support according to claim 1, wherein: fixed plate (1) integrated into one piece, it includes head bulb (11) and straight section (12), head bulb (11) are connected with commentaries on classics elbow (3), and head bulb (11) are close to the side of changeing elbow (3) and have cavity (13), the chamber wall of cavity (13) includes plane (19) of seting up along straight section (12) length direction and forms backstop face (14) of corner with plane (19).

3. A tablet support according to claim 2, wherein: the stop surface (14) is a curved surface extending outwards in the direction away from the plane (19), and the upper end and the lower end of the curved surface are respectively connected with the upper end surface and the lower end surface of the connector ball end (11).

4. A tablet support according to claim 3, wherein: the plane (19) is provided with a first through hole (17), a first arc-shaped groove (18) is arranged at the right lower part of the first through hole (17), and the circle center corresponding to the first arc-shaped groove (18) coincides with the circle center of the first through hole (17).

5. A tablet support according to claim 4, wherein: it is globular to change elbow (3), changes the left and right sides of elbow (3) and is equipped with respectively with head ball end (11), backup pad (2) zonulae occludens first switching face (31) and second switching face (32), be equipped with on first switching face (31) at first through-hole (17) internal rotation first pivot (33), the side of first pivot (33) is equipped with at first arc recess (18) internal activity first screens post (34).

6. A tablet support according to claim 5, wherein: one end that backup pad (2) and commentaries on classics elbow (3) are connected is equipped with curved body portion (24) with curved surface assorted, and when the support was folded, curved body portion (24) laminating backstop face (14).

7. A tablet support according to claim 6, wherein: bent portion (24) are located backup pad (2) another back of installing the board, and it has second through-hole (22) to open on the terminal surface that backup pad (2) and pivot are connected, one side that second through-hole (22) are close to bent portion (24) is equipped with second arc recess (23), second arc recess (23) semicircular in shape, and the centre of a circle that second arc recess (23) correspond coincides mutually with the centre of a circle of second through-hole (22).

8. A tablet support according to claim 7, wherein: and a second rotating shaft (35) rotating in the second through hole (22) is arranged on the second switching surface (32), and a second clamping column (36) moving in the second arc-shaped groove (23) is arranged beside the second rotating shaft (35).

9. A tablet support according to claim 7, wherein: mounting holes (25) for mounting and fixing the writing board are distributed in the supporting plate (2), and the bearing surface (21) is gradually increased from the tail end to the direction close to the second through hole (22).

10. A tablet support according to claim 2, wherein: two positioning lines (15) are symmetrically distributed on the straight section (12) along the length direction of the straight section, the two positioning lines (15) are arranged at intervals, and positioning points (16) are respectively arranged at two ends of the outer side, far away from each other, of the two positioning lines (15).