CN112401554B

CN112401554B - Table plate

Info

Publication number: CN112401554B
Application number: CN201910775603.1A
Authority: CN
Inventors: 陈得峻
Original assignee: Atec International Team Co Ltd
Current assignee: Atec International Team Co Ltd
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2023-12-22
Anticipated expiration: 2039-08-21
Also published as: CN112401554A

Abstract

The invention provides a desk plate, which comprises a desk plate, a supporting rod and a positioning device; the support rod is provided with an upper end for supporting the desk plate upwards and a lower end; the desk plate comprises an upper cover plate, a bottom cover plate and a first sliding piece, wherein the upper cover plate and the bottom cover plate are combined into a structure body, and the upper cover plate and the bottom cover plate slide forwards and backwards relative to the first sliding piece by virtue of the corresponding sliding relation between the damping piece and the tooth row; the upper end of the supporting rod forms a rotating shaft and passes through a perforation on the bottom cover plate from bottom to top so as to be combined and fixed with the first sliding piece; the desk plate comprises two shielding plate sets which can respectively stretch and slide forwards and backwards to downwards movably shield the through holes on the bottom cover plate; the positioning device comprises a movable telescopic clamping pin piece, and when the clamping pin piece is retracted to be separated from or then extended to be clamped into a positioning hole arranged on a rotating shaft at the upper end of the supporting rod, the desk plate piece can be operated to horizontally rotate to adjust the angle relative to the upper end of the supporting rod or then be positioned at the angle.

Description

Table plate

Technical Field

The present invention relates to a desk plate, and more particularly, to a desk plate which can be used in combination with a chair, a bed, a sofa, a table, a pulley chassis or a chair connected to the chair, and can be easily adjusted in angle or position for a user to use.

Background

A typical chair, especially a chair for students in classrooms, even includes a bed or a sofa, etc., and when a user sits down and wants to write, operate an electronic device, even to place articles such as beverage cups, the chair, the bed or the sofa, etc. are inconvenient because a table such as a writing table (writing table) is not attached. Although the prior art has a structural design with a desk plate as disclosed in US9,044,099 "CHAIR WITH ADJUSTABLE TABLET", the disclosed writing desk plate has the following drawbacks:

(1) The writing tablet is designed to be used only in conjunction with a particular chair, and is relatively limited in application range, which is disadvantageous for the manufacturing end and the consumer end.

(2) The writing desk plate slides in a sliding groove in the desk plate by utilizing a sliding piece so as to adjust the horizontal position of the desk plate, the sliding friction force is relatively increased, the convenience of operation of a consumption end or a use end is not facilitated, and each component is easily damaged due to larger friction.

(3) The writing desk plate is supported at the upper end of a supporting rod so as to horizontally rotate, however, no positioning device is arranged between the desk plate and the upper end of the supporting rod, so that the desk plate cannot form a positioning state relative to the upper end of the supporting rod after operation and adjustment, namely, a user end cannot position the writing desk plate at a proper angle or position after adjustment, and inconvenience is caused to the user end relatively.

(4) The writing tablet (writing tablet) is rotated by using upper and lower sets of bearings (upper bearings 66 and lower bearings 68 shown in fig. 3), and the components are relatively complex and easily damaged, which is disadvantageous for assembly operations at the manufacturing end or the consumer end or reduces manufacturing costs.

As can be seen from the above, the existing writing desk technology (such as US9,044,099) still has room for improvement, and besides the chair field, the solution of the present invention can be applied to the fields of beds, sofas, tables, pulley chassis or conjoined chairs, etc., and further increases the application range of the present invention.

Disclosure of Invention

The invention provides a table board, which comprises a table board piece, a supporting rod and a positioning device; wherein the supporting rod is provided with an upper end for supporting the desk plate upwards and a lower end for being matched and installed on the side edge of a chair, a bed, a sofa, a desk, a pulley chassis or a conjoined chair; the desk plate comprises an upper cover plate, a bottom cover plate and a first sliding piece which is clamped between the upper cover plate and the bottom cover plate, wherein the upper cover plate and the bottom cover plate are combined into a structure body, and the upper cover plate and the bottom cover plate smoothly slide back and forth relative to the first sliding piece by virtue of the corresponding sliding relation between at least one damping piece and one tooth row; the upper end of the supporting rod is provided with a rotating shaft and penetrates through a through hole on the bottom cover plate from bottom to top so as to be combined and fixed with the first sliding piece; wherein the desk plate comprises two shielding plate sets, each shielding plate set can respectively slide back and forth in a telescopic way so as to downwards and movably shield the perforation on the bottom cover plate; the positioning device comprises a movable telescopic clamping pin piece, when the clamping pin piece is operated to retract to be separated from or then extend to be clamped into a positioning hole arranged on a rotating shaft at the upper end of the supporting rod, the desk plate piece can be operated to horizontally rotate to adjust the angle relative to the upper end of the supporting rod or then be positioned at the angle, and therefore the desk plate piece can be easily adjusted in angle or position for a user to use conveniently.

In order to achieve the above-mentioned objective, the present invention provides a table, which comprises a table, a supporting rod and a positioning device, wherein the supporting rod has an upper end and a lower end extending downward from the upper end by a length, the upper end supports the table upwards and forms a rotating shaft, wherein the rotating shaft is provided with at least one positioning hole; wherein the desk plate comprises an upper cover plate, a first sliding member and a bottom cover plate, wherein the bottom cover plate and the upper cover plate are correspondingly combined up and down to form a structure body so as to move forwards and backwards relative to the first sliding member, the upper cover plate is provided with a first accommodating space for accommodating the first sliding member and the bottom cover plate, the first sliding member is provided with a second accommodating space, the bottom cover plate is provided with a first front-back sliding groove for enabling the first sliding member to slide forwards and backwards in the first sliding groove, the bottom of the first sliding groove is provided with a first front-back strip-shaped through hole, a rotating shaft formed at the upper end of the supporting rod passes through the through hole of the bottom cover plate to be combined and fixed with the first sliding member, the desk plate further comprises at least one first damping member which is respectively embedded in a caulking groove arranged on the first sliding member, and each damping member is movably engaged on a first tooth row arranged in the first sliding groove of the bottom cover plate so that the upper cover plate and the bottom cover plate can slide forwards and backwards in the first tooth row relative to each first sliding groove to enable the first shielding plate to slide in the first sliding groove to slide way, the first shielding plate is provided with a first sliding groove and a second sliding rail respectively, the first sliding groove is provided with a first sliding groove and a second sliding groove respectively, and a second shielding plate is respectively, and a first sliding plate is provided, and a second sliding plate is respectively, and a damping plate, and a second sliding plate is respectively and a front and a second sliding plate. The first and second shutters of one of the two shutter sets are driven to relatively slide and spread, and the first and second shutters of the other shutter set are driven to relatively slide and spread, so that when the upper cover plate of the desk plate and the lower cover plate relatively slide forwards and backwards relative to the first sliding member of the desk plate, the first and second shutters of each shutter set can synchronously slide forwards and backwards relative to each other and spread or spread to respectively shield the perforation of the lower cover plate downwards; the positioning device is arranged in the second accommodating space of the first sliding part and comprises a movable clamping pin part, the movable clamping pin part can be operated to extend into or retract out of at least one positioning hole formed on a rotating shaft formed at the upper end of the supporting rod, when the movable clamping pin part is operated to retract out of a positioning hole formed on the rotating shaft formed at the upper end of the supporting rod, the desk plate part can be operated to horizontally rotate to adjust or select the angle of the desk plate part relative to the upper end of the supporting rod, and when the movable clamping pin part is operated to extend out of and clamp into a positioning hole formed at the upper end of the supporting rod, the desk plate part is positioned at an angle relative to the upper end of the supporting rod.

In a preferred embodiment of the present invention, the bottom cover of the desk plate is further provided with a front-back second chute parallel to the first chute; wherein the desk plate further comprises a second sliding piece which is slidably arranged in the second sliding groove; the desk plate further comprises a connecting piece, wherein the connecting piece is provided with two connecting ends and is respectively connected with the first sliding piece and the second sliding piece so that the first sliding piece and the second sliding piece can synchronously slide by virtue of the connecting piece.

In a preferred embodiment of the present invention, the table member further includes an inner cover plate, and the inner cover plate is mounted on the second sliding slot so that the second sliding member can be limited between the inner cover plate and the second sliding slot for sliding.

In a preferred embodiment of the present invention, the table plate further includes two damping members, the two damping members are respectively embedded in two slots symmetrically disposed on the second sliding member, and the two damping members can be movably engaged with a second tooth row disposed in a second sliding slot of the bottom cover plate in a front-rear direction, so that the second sliding member can slide relatively in the front-rear direction with damping effect with respect to the bottom cover plate of the table plate by virtue of the movable engagement relationship between the second tooth row and each damping member.

In a preferred embodiment of the present invention, the positioning device forms a pull-tab type locking member, and the pull-tab type locking member includes a pull-tab portion; wherein the latch member further comprises a spring portion, a mounting portion and a latch; the pull ring part is provided with a third accommodating space and a bayonet lock fixing part, wherein a perforation and a first clamping point for fixing the spring part are arranged in the third accommodating space, and the bayonet lock fixing part is used for fixing the bayonet lock; the installation part is provided with a fourth accommodating space, and a second clamping point and a clamping pin limiting hole are arranged in the fourth accommodating space; wherein the pull ring part is arranged on the fourth accommodating space of the installation part; wherein the bayonet lock can be selectively clamped into at least one positioning hole arranged on the rotating shaft; when the pull ring part is installed on the installation part, the pull ring part can be pulled to enable the clamping pin to be compressed towards the second clamping point by virtue of the elastic force of the spring part and be far away from at least one positioning hole of the rotating shaft, or the pull ring part is released to enable the clamping pin to be elastically stretched from the second clamping point by virtue of the elastic force of the spring part and be clamped into at least one positioning hole of the rotating shaft.

In a preferred embodiment of the present invention, the positioning device forms an automatic locking member, and the automatic locking member further comprises a mounting portion; wherein the latch member further comprises a spring and a locking ball; wherein the mounting part is provided with a clamping pin piece mounting part for mounting the clamping pin piece therein; wherein the locking ball is pressed into the locking pin piece or extends out of the locking pin piece by virtue of the elastic force of the spring; wherein the locking ball can be selectively locked into at least one positioning hole of the rotating shaft; when the clamping pin piece is installed on the installation part, the clamping pin piece can be rotated by rotating the first sliding piece so that the clamping ball is pressed into the clamping pin piece by the elastic expansion force of the spring of the clamping pin piece to enable the clamping ball to be far away from at least one positioning hole of the rotating shaft, or the desk plate piece is rotated so that the clamping ball extends out of the inner part of the clamping pin piece by the elastic force of the spring of the clamping pin piece to be clamped into at least one positioning hole of the rotating shaft.

In a preferred embodiment of the present invention, a sleeve is formed at the lower end of the supporting rod, and a rod is disposed between the sleeve and the rotating shaft; wherein the sleeve is sleeved on the bottom of a chair in a pivotable manner; wherein the desk plate can horizontally rotate and displace around the chair at any angle by virtue of the sleeve of the supporting rod; when the desk plate horizontally rotates to be close to the chair through the sleeve, the desk plate can slide through the first sliding piece to adjust the distance between the desk plate and the chair.

In a preferred embodiment of the present invention, the bottom of the chair further comprises a seat member and a foot stand; wherein the seat piece is supported on the foot seat; wherein the supporting rod is rotatably arranged between the seat piece and the foot seat for a user writing left or writing right; wherein the sleeve is sleeved on the foot seat of the chair in a pivotable manner so that the supporting rod can pivot and move relative to the foot seat; wherein the foot seat is arranged at the bottom of the chair to support the table plate and the chair.

In a preferred embodiment of the present invention, a seat fixing member is further disposed below the seat, and a limiting rotation slot and a set of holes for limiting the rotation of the seat fixing member by 180 ° are disposed at the bottom of the seat fixing member.

In a preferred embodiment of the present invention, the foot stand comprises a plurality of pulley blocks, an annular frame-shaped bottom, a bracket, an elastic member, an inner bearing, a limiting column, an outer shaft sleeve and a steam rod from bottom to top; wherein a fifth accommodation space is arranged on the bracket, a steam rod slot hole, a bearing slot hole and an elastic piece slot hole are arranged in the fifth accommodation space, and the steam rod slot hole is used for arranging the steam rod therein; wherein the elastic piece is arranged in the elastic piece slot hole of the bracket; the inner bearing is arranged in the bearing slot hole of the bracket and is coated on the periphery of the steam rod, the bottom surface of the inner bearing is provided with at least one fixing part for fixing the elastic piece at an angle, the surface of the inner bearing is provided with a limiting fixing part, one side of the inner bearing is provided with a clamping part for the inner bearing to be clamped with a clamped part further arranged on the sleeve by virtue of the clamping part, so that the inner bearing and the sleeve are combined together; the lower part of the limiting column is arranged in the limiting fixing part of the inner bearing, and the upper part of the limiting column passes through the sleeve and the outer sleeve to be propped against the limiting rotating groove of the seat part fixing piece; the outer sleeve is arranged between the bearing slot hole and the limit rotating groove of the seat part fixing piece, and covers the sleeve, the inner bearing and the steam rod, and the outer sleeve is provided with a clamping groove with a downward opening for clamping the outer sleeve at the joint of the sleeve and the rod piece.

In a preferred embodiment of the present invention, when the steam bar is not moving, the seat fixing member can perform a 180 ° limited rotation on the steam bar by virtue of the limiting relationship between the limiting rotation groove and the limiting post.

In a preferred embodiment of the present invention, the elastic member enables the inner bearing, the sleeve and the outer hub to form a locked state in which the sleeve cannot rotate or a movable state in which the sleeve can rotate.

In a preferred embodiment of the present invention, the inner bearing, the sleeve and the outer hub are capable of angular horizontal rotational displacement relative to the steam stem when the steam stem is stationary and the sleeve is in a movable state.

In a preferred embodiment of the present invention, the second chute of the desk plate further has a sliding rail rod therein; the rod part of the sliding rail rod is arranged in a track part further arranged on the second sliding piece in a penetrating way, so that the sliding rail rod can enable the second sliding piece to slide along the rod part of the sliding rail rod in a certain track.

In a preferred embodiment of the present invention, the lower end of the strut is further connected to a connecting portion; wherein the desk plate can be combined with a base on the support leg of a bed, a sofa, a table, a pulley chassis or a conjoined chair by means of the connecting part of the support rod; wherein the desk plate can slide by the first sliding piece to adjust the distance between the desk plate and a bed, a sofa, a desk, a pulley chassis or a conjoined chair.

Compared with the prior art, the invention has the following beneficial effects: can be easily adjusted in angle or position for convenient use by the user.

Drawings

Figure 1 is a schematic perspective view of an embodiment of the present invention (a desk mounted on a chair for use by a right-writing user).

Figure 2 is a schematic view of the table top member of figure 1 formed on a chair for use by a left-writing user.

Fig. 3 is an exploded view of fig. 2.

Figure 4 is a partially enlarged exploded (upper cover plate removed) schematic view of the table top shown in figure 3.

Figure 5 is an enlarged, fragmentary, exploded view of the table top shown in figure 4.

FIG. 6 is an enlarged schematic view of a portion of the first slider and damper of FIG. 5.

Fig. 7 is an enlarged schematic view of a portion of the second slider and damper of fig. 5.

Fig. 8 is an enlarged partially exploded perspective view of the first slider, bottom cover plate, shaft and lever of the present invention.

Fig. 9 is an enlarged, partially exploded perspective view of the first slider, shutter set and bottom cover plate of the present invention.

Figure 10 is an enlarged, partially exploded, perspective view of the securing device of the desk plate of the present invention as a pull-tab type fastener.

Figure 11 is a partially enlarged side cross-sectional view of the securing device of the desk plate of the present invention as a pull-tab type fastener.

Figure 12 is a schematic top plan view of the table top member (with the upper cover plate and the coupler removed) of the present invention.

Figure 13 is a schematic top plan view of a table top member of the present invention.

Figure 14 is a top plan view of the table top member of figure 13 shown moved in a fore-aft direction.

Figure 15 is a partially enlarged schematic side cross-sectional view of the securing device of the desk plate of the present invention as a pull-tab type fastener.

Fig. 16 is a side view schematic of a latch member of the positioning device of fig. 15.

Figure 17 is a partially enlarged schematic side cross-sectional view of the securing device of the desk plate of the present invention as an automated locking member.

Figure 18 is an exploded perspective view of the chair of figure 2 with the chair removed.

Fig. 19 is an exploded perspective view of the seat mount of fig. 18 removed from the vapor bar.

Fig. 20 is an enlarged, partially exploded, perspective view of the seat mount, outer sleeve, strut, stop post, inner bearing, spring, vapor bar, and bracket of fig. 19.

Fig. 21 is a schematic view of another angle of fig. 20.

Fig. 22 is a partially enlarged schematic side cross-sectional view of fig. 18 (excluding the chair).

Fig. 23 is a bottom plan view schematic of the inner bearing (including the resilient member) of the present invention.

Fig. 24 is a schematic view of fig. 23 rotated at an angle.

Fig. 25 is a bottom plan view of the seat mount of the present invention (including the stopper post).

Fig. 26 is a schematic view of fig. 25 rotated at an angle.

Figure 27 is a partially enlarged side cross-sectional schematic view of the alternative angle of figure 18 (excluding the chair).

Fig. 28 is a perspective view of another embodiment of the present invention (the chair is different from the chair in fig. 1, and the table further comprises a beverage placement member and an object holding member).

Fig. 29 is an exploded perspective view of another embodiment of a table top with a track bar and a carrier plate according to the present invention.

Fig. 30 is a schematic view of another embodiment of the present invention (applied to a bed).

Fig. 31 is a schematic view of another embodiment of the invention (applied to a sofa).

Fig. 32 is a schematic view of another embodiment of the invention (applied to a table).

Fig. 33 is a schematic view of another embodiment of the invention (applied to a pulley chassis).

Fig. 34 is a schematic view of another embodiment of the present invention (applied to a one-piece chair).

Reference numerals illustrate: 1-a table plate; 10-a desk plate; 11-an upper cover plate; 111-a first accommodation space; 112 carrier plates; 12-a first slider; 121-a second accommodation space; 122-caulking groove; 123-sliding blocks; 13-a bottom cover plate; 131-a first chute; 1311-a slider; 132 perforation; 133-a second chute; 134-first row of teeth; 135-a second row of teeth; 14-a second slider; 141-caulking groove; 142-track section; 15-a connector; 151-a link end; 16-damping member; 17-shutter set; 171-a first shutter; 1711-a first chute portion; 1712-a first slide rail portion; 172-a second shutter; 1721-second slide slot portion; 1722-a second slide rail portion; 18-an inner cover plate; 19-a slide rail rod; 191 pole parts; 20-supporting rods; 21-a sleeve; 211-engaged portions; 22-bar members; 23-rotating shaft; 231-positioning holes; 24-base; 25 connecting parts; 30-positioning device; 31-pull ring type locking piece; 311-pull ring part; 3111-a third accommodating space; 3112-bayonet securing portions; 3113-perforating; 3114-first card stop point; 32-an automated locking member; 321-a mounting portion; 3211-latch fitting mounting portion; 33-a latch member; 331-a spring portion; 332-a mounting portion; 333-bayonet; 3321-fourth accommodation space; 3322—second card stop; 3323—bayonet lock limiting holes; 333-bayonet; 334-a spring; 335-a snap ball; 40-seat member fixing member; 41-limiting rotating grooves; 42-trepanning; 50-footstands; 51-pulley block; 52-a ring frame bottom; 53-a scaffold; 531-a fifth accommodation space; 5311 a steam bar slot; 5312 a bearing slot; 5313 an elastic member slot; 54-an elastic member; 55-inner bearings; 551-fixing part; 552-limit fixing part; 553-an engagement portion; 56-limiting columns; 57-outer sleeve; 571-a clamping groove; 58-steam bar; 60-seat member; 70-a beverage holder; 80-an article holder; 2, a chair; 3 beds; 4, sofa; 5, a table; 6, a pulley chassis; 7, a conjoined chair.

Detailed Description

The following detailed description of the structure and technical features of the present invention is provided with reference to the drawings, wherein each drawing is only for illustrating the structural relationship and related functions of the present invention, and thus the dimensions of each element in each drawing are not drawn to actual scale and are not intended to limit the present invention.

Referring to fig. 1 to 34, the present invention provides a table 1, which can be mounted on the side of a chair 2, a bed 3 (shown in fig. 30), a sofa 4 (shown in fig. 31), a table 5 (shown in fig. 32), a pulley chassis 6 (shown in fig. 33) or a one-piece chair 7 (shown in fig. 34) for a user to use; when the table board 1 is mounted on the bed 3, the sofa 4, the table 5, the pulley chassis 6 or the integrated chair 7, the table board 1 further comprises a base 24 disposed on the legs of the bed 3, the sofa 4, the table 5, the pulley chassis 6 or the integrated chair 7, but not limited thereto, so that the table board 1 can rotate on the bed 3, the sofa 4, the table 5, the pulley chassis 6 or the integrated chair 7 to the use position according to the user's requirement by taking the base 24 as the axis, as shown in fig. 30 to 34.

For the convenience of explanation of the present invention, the following description will illustrate the present invention applied to a chair 2 as an example, but not limit the present invention, and the present invention may be applied to fields other than the chair 2 such as a bed 3, a sofa 4, a table 5, a pulley chassis 6 or a one-piece chair 7; in the embodiment shown in fig. 1 to 29, the table 1 comprises a table part 10, a supporting rod 20 and a positioning device 30; wherein the lower end of the supporting rod 20 forms a sleeve 21, a rod 22 is arranged between the sleeve 21 and the rotating shaft 23, the sleeve 21 is pivotally sleeved on the bottom of a chair 2, the desk plate 10 can horizontally rotate around the chair 2 by any angle through the sleeve 21 of the supporting rod 20, and when the desk plate 10 horizontally rotates to be close to the chair 2 through the sleeve 21, the desk plate 10 can slide through the first sliding piece 12 to adjust the distance between the desk plate and the chair 2; wherein the bottom of the chair 2 further comprises a seat 60 and a foot 50, but not limited thereto.

The seat member 60 is supported on the foot stand 50 to obtain a stable supporting force by virtue of the foot stand 50, wherein the supporting rod 20 is rotatably arranged between the seat member 60 and the foot stand 50 for a user writing left or writing right and extends obliquely upwards for supporting the desk plate 10 as shown in fig. 3, wherein the sleeve 21 is pivotally sleeved on the foot stand 50 of the chair 2 so that the supporting rod 20 can pivotally move relative to the foot stand 50 as shown by arrow B in fig. 2, and the foot stand 50 is arranged at the bottom of the chair 2 to support the desk plate 1 and the chair 2.

Referring to fig. 4 and 5, the desk plate 10 includes an upper cover plate 11, a first sliding member 12 and a bottom cover plate 13, wherein the bottom cover plate 13 and the upper cover plate 11 are combined up and down to form a structure for moving back and forth relative to the first sliding member 12; the upper cover plate 11 has a first accommodating space 111 for accommodating the first sliding member 12 and the bottom cover plate 13; the first sliding member 12 has a second accommodating space 121 as shown in fig. 6; the bottom cover plate 13 has a first sliding slot 131 in front and back directions for the first sliding member 12 to slide in the first sliding slot 131 in front and back directions, and a longitudinal strip-shaped through hole 132 is formed at the bottom of the first sliding slot 131; the shaft 23 formed at the upper end of the supporting rod 20 passes through the through hole 132 of the bottom cover 13 from bottom to top to be combined and fixed with the first sliding member 12, as shown in fig. 5 and 9; wherein the table member 10 further comprises at least one damping member 16 for being respectively embedded in the embedded grooves 122 formed on the first sliding member 12, as shown in fig. 6, and each damping member 16 is movably engaged with a first tooth row 134 formed in the first sliding slot 131 of the bottom cover plate 13, so that the top cover plate 11 and the bottom cover plate 13 of the table member 10 can slide in the front-back direction with damping effect relative to the first sliding member 12 of the table member 10 by virtue of the movable engagement relationship between the first tooth row 134 and each damping member 16, as shown by arrow D in fig. 14; the table member 10 further includes two shutter sets 17 as shown in fig. 9, where the two shutter sets 17 are located between the first sliding member 12 and the first sliding slot 131 of the bottom cover plate 13 and symmetrically disposed at two front and rear ends of the first sliding slot 131, so that each shutter set 17 can move forward and backward to cover the through hole 132 of the bottom cover plate 13 in a downward movable manner; each shutter set 17 has a first shutter 171 and a second shutter 172, each first shutter 171 has a first sliding groove 1711 and a first sliding rail 1712, each second shutter 172 has a second sliding groove 1721 and a second sliding rail 1722, wherein the first shutter 171 of each shutter set 17 is movably connected with the second sliding rail 1722 of the second shutter 172 by the first sliding rail 1712, so that the second shutter 172 of each shutter set 17 and the first shutter 171 can be relatively slidably unfolded or folded; two sliding blocks 123 are respectively disposed on the bottom surfaces of the front and rear ends of the first sliding member 12 for respectively penetrating into the first sliding groove 1711 of each corresponding first shielding plate 171 from top to bottom, as shown in fig. 9; two sliding blocks 1311 are respectively disposed on inner surfaces of the front and rear ends of the first sliding groove 131 of the bottom cover plate 13 for respectively and correspondingly moving from bottom to top to penetrate into the second sliding groove 1721 of each corresponding second shielding plate 172, as shown in fig. 9; wherein when the first shutter 171 and the second shutter 172 of one of the two shutter sets 17 are driven to relatively slide and spread, the first shutter 171 and the second shutter 172 of the other shutter set 17 are driven to relatively slide and overlap, so that when the upper cover plate 11 and the lower cover plate 13 of the desk plate 10 relatively slide back and forth with respect to the first slider 12 of the desk plate 10, the first shutter 171 and the second shutter 172 of each shutter set 17 can synchronously slide back and forth to relatively spread or overlap to respectively and downwardly movably cover the through holes 132 of the lower cover plate 13 as shown in fig. 12 to 14, thereby preventing finger pinching caused by careless finger insertion into the through holes 132 when a user operates, and simultaneously preventing foreign matters from being stained into the desk plate 10.

Referring to fig. 5 and 12, the bottom cover 13 of the desk board 10 is further provided with a front-rear second chute 133 parallel to the first chute 131, as shown in fig. 5 but not limited thereto.

Referring to fig. 5 and 7, the table member 10 further includes a second sliding member 14 slidably disposed in the second sliding groove 133, wherein the table member 10 further includes a connecting member 15, as shown in fig. 5 and not limited thereto, and the connecting member 15 has two connecting ends 151 and is respectively connected with the first sliding member 12 and the second sliding member 14 so that the first sliding member 12 and the second sliding member 14 can slide synchronously by means of the connecting member 15.

Referring to fig. 5 and 14, the desk board 10 further includes an inner cover 18, as shown in fig. 5 but not limited thereto, the inner cover 18 is mounted on the second sliding groove 133 so that the second sliding member 14 can slide between the inner cover 18 and the second sliding groove 133.

Referring to fig. 5 and 14, the table member 10 further includes two damping members 16, as shown in fig. 5, but not limited to, the two damping members 16 are respectively embedded in two slots 141 symmetrically formed on the second sliding member 14, and the two damping members 16 can be movably engaged with a front-rear second tooth row 135 formed in a second sliding slot 133 of the bottom cover plate 13, so that the second sliding member 14 can perform a front-rear relative sliding motion with respect to the bottom cover plate 13 of the table member 10 with damping effect by virtue of the movable engagement relationship between the second tooth row 135 and each damping member 16, as shown by arrow D in fig. 14.

The supporting rod 20 has an upper end and a lower end extending downward from the upper end by a length, the upper end supports the table plate 10 upward and forms a rotating shaft 23, wherein the rotating shaft 23 is provided with at least one positioning hole 231.

The positioning device 30 is disposed in the second accommodating space 121 of the first sliding member 12, as shown in fig. 10 and 15, and includes a movable latch member 33, where the movable latch member 33 can be operated to extend into or retract from at least one positioning hole 231 formed on the rotating shaft 23 formed at the upper end of the supporting rod 20; wherein when the movable latch member 33 is operated to retract to be separated from the positioning hole 231 on the rotating shaft 23 formed at the upper end of the supporting rod 20, the table member 10 can be operated to horizontally rotate to adjust or select the angle of the table member 10 with respect to the upper end of the supporting rod 20 as shown by arrow a in fig. 1; wherein the desk board 10 is positioned at an angle relative to the upper end of the pole 20 when the movable latch member 33 is operated to extend and latch into a positioning hole 231 formed on the rotating shaft 23 formed at the upper end of the pole 20.

Referring to fig. 1, when the table member 10 is horizontally rotated to the right of the table 1 by the sleeve 21, the table member 10 can slide (as indicated by arrow D in fig. 1) to approach the table 1 by the first sliding member 12, and the table member 10 is parallel to the table 1 to form a right-writing state as shown in fig. 1.

Referring to fig. 2, when the table member 10 is rotated from the right writing state to the left side of the table 1 (as indicated by arrow B in fig. 2) by the sleeve 21, the table member 10 can be horizontally rotated by the rotating shaft 23 (as indicated by arrow a in fig. 2) to approach the table 1 inward, and the table member 10 is parallel to the table 1 to form a left writing state as shown in fig. 2.

In the embodiment shown in fig. 10 and 11, the positioning device 30 forms a pull-tab type locking member 31, but not limited thereto, and the pull-tab type locking member 31 includes a pull-tab portion 311; wherein the latch member 33 further comprises a spring portion 331, a mounting portion 332 and a latch 333; the pull ring portion 311 has a third accommodating space 3111 and a bayonet lock fixing portion 3112, wherein the third accommodating space 3111 has a through hole 3113 and a first bayonet lock 3114 for fixing the spring portion 331, and the bayonet lock fixing portion 3112 is for fixing the bayonet lock 333; the mounting portion 332 has a fourth accommodating space 3321, and the fourth accommodating space 3321 has a second locking point 3322 and a locking limiting hole 3323; wherein the pull ring portion 311 is mounted on the fourth accommodating space 3321 of the mounting portion 332; wherein the locking pin 333 is selectively locked in at least one positioning hole 231 provided on the rotating shaft 23, as shown by arrow C in fig. 11.

When the pull ring portion 311 is mounted on the mounting portion 332, the pull ring portion 311 can be pulled to compress the bayonet 333 toward the second locking point 3322 by the elastic force of the spring portion 331 and away from the at least one positioning hole 231 of the rotating shaft 23, or the bayonet 333 is released from the pull ring portion 311 to be snapped into the at least one positioning hole 231 of the rotating shaft 23 by the elastic force of the spring portion 331 and sprung from the second locking point 3322, as shown by arrow C in fig. 11.

In the embodiment shown in fig. 15 to 17, the positioning device 30 forms an automatic locking member 32, but not limited thereto, and the automatic locking member 32 further comprises a mounting portion 321; wherein the latch member 33 further comprises a spring 334 and a locking ball 335; wherein the mounting portion 321 has a latch mounting portion 3211 for mounting the latch 33 therein; wherein the locking ball 335 is pressed into the locking member 33 or protrudes out of the locking member 33 by the elastic force of the spring 334; wherein the locking ball 335 can be selectively locked into at least one positioning hole 231 of the rotating shaft 23 as shown by arrow E in fig. 17.

When the latch member 33 is mounted on the mounting portion 321, the latch member 33 can be rotated by rotating the first sliding member 12 to press the latch ball 335 into the latch member 33 by the elastic force of the spring 334 of the latch member 33, so that the latch ball 335 is far away from the at least one positioning hole 231 of the rotating shaft 23, or the desk board member 10 can be rotated to make the latch ball 335 protrude from the inside of the latch member 33 by the elastic force of the spring 334 of the latch member 33 and be clamped into the at least one positioning hole 231 of the rotating shaft 23 as shown by arrow E in fig. 17.

Referring to fig. 18 to 22 and 27, a seat member fixing member 40 is further provided below the seat member 60, but not limited thereto, and a limit rotation groove 41 and a set of holes 42 for limiting the rotation of the seat member fixing member 40 by 180 ° are provided at the bottom thereof.

Referring to fig. 18 to 22 and 27, the foot stand 50 includes, but is not limited to, a plurality of pulley blocks 51, a ring frame-shaped bottom 52, a bracket 53, an elastic member 54, an inner bearing 55, a limiting post 56, an outer sleeve 57 and a steam rod 58 from bottom to top; wherein a fifth accommodating space 531 is provided on the stand 53, a steam bar slot 5311, a bearing slot 5312 and an elastic member slot 5313 are provided in the fifth accommodating space 531, and the steam bar slot 5311 is provided for the steam bar 58 to be disposed therein; wherein the elastic member 54 is disposed in the elastic member slot 5313 of the stand 53; wherein the inner bearing 55 is disposed in the bearing slot 5312 of the bracket 53 and is wrapped around the steam rod 58, at least one fixing portion 551 is disposed on the bottom surface of the inner bearing 55 for fixing the elastic member 54 at an angle, a limiting fixing portion 552 is disposed on the surface of the inner bearing 55, and a engaging portion 553 is disposed on one side of the inner bearing 55 for engaging the inner bearing 55 with an engaged portion 211 further disposed on the sleeve 21 by the engaging portion 553 to combine the inner bearing 55 with the sleeve 21; wherein the lower part of the limiting post 56 is arranged in the limiting fixed part 552 of the inner bearing 55, and the upper part of the limiting post 56 passes through the sleeve 21 and the outer sleeve 57 to be propped against the limiting rotating groove 41 of the seat part fixing piece 40; the outer sleeve 57 is disposed between the bearing slot 5312 and the limiting groove 41 of the seat member fixing member 40, and encloses the sleeve 21, the inner bearing 55 and the steam rod 58, and the outer sleeve 57 has a downward opening slot 571 for the outer sleeve 57 to be locked at the connection between the sleeve 21 and the rod 22.

The annular frame shape of the annular frame bottom 52 is more stable than the existing claw-shaped bottom structure, and is not easy to turn over, so that the use safety of a user is improved, and the annular frame of the annular frame bottom 52 is further provided with a net structure but not limited to provide convenience for carrying articles.

Referring to fig. 22, 25 and 26, when the steam bar 58 is not moving, the seat member fixing member 40 can perform a limiting rotation of 180 ° on the steam bar 58 by virtue of the limiting relationship between the limiting rotation groove 41 and the limiting post 55, as shown by arrow H in fig. 26.

Referring to fig. 22, 23 and 24, the elastic member 54 can make the inner bearing 55, the sleeve 21 and the outer sleeve 57 form a locked state (as shown in fig. 23) in which the sleeve 21 cannot rotate or a movable state (as shown by arrow G in fig. 24) in which the sleeve 21 can rotate.

Referring to fig. 22, 23 and 24, when the steam stem 58 is stationary and the sleeve 21 is in a movable state, the inner bearing 55, the sleeve 21 and the outer hub 57 are capable of an angular horizontal rotational displacement relative to the steam stem 58 as indicated by arrow G in fig. 24.

The support rod 20 can be further assembled with the steam bars of various chairs by means of the sleeve 21, but not limited to, so that the original chairs without the desk plate design can also use the desk plate, which is helpful for users to reduce the consumption cost without buying the whole group of chairs with the desk plate, and as shown in fig. 1 and 28, the desk plate 10 can be respectively installed on different types of chairs by means of the support rod 20.

Referring to fig. 29, the second sliding groove 133 of the desk board 10 further has a sliding rail 19, but not limited thereto; the rod portion 191 of the sliding rail 19 is disposed through a track portion 142 further disposed on the second sliding member 14, but not limited thereto, so that the sliding rail 19 can allow the second sliding member 14 to slide along the rod portion 191 of the sliding rail 19 along a certain track.

Referring to fig. 28, the tabletop plate 10 further includes a beverage placement member 70 and an object holding member 80, but is not limited thereto; the object holding member 80 further comprises a paper document holding member (such as a holding book) or an electronic device holding member (such as a holding tablet computer), but is not limited to, so as to reduce the hand use of the user, and facilitate the user to perform the document operation under more comfortable conditions.

Referring to fig. 29, the first accommodating space 111 of the upper cover plate 11 further has a carrying plate 112, but not limited thereto, and the carrying plate 112 is located between the upper cover plate 11 and the bottom cover plate 13 to increase the supporting force of the upper cover plate 11, so that the downward pressure of the hand of the user does not affect the overall operation of the desk plate 10.

In addition, in the embodiment shown in fig. 30 to 34 applied to the outside of the chair, the lower end of the supporting rod 20 is further provided with a connecting portion 25; wherein the desk plate 10 can be combined with a base 24 on the legs of the bed 3 (shown in fig. 30), the sofa 4 (shown in fig. 31), the desk 5 (shown in fig. 32), the pulley chassis 6 (shown in fig. 33) or the one-piece chair 7 (shown in fig. 34) by means of the connecting portion 25 of the strut 20; wherein the desk plate 10 can slide by means of the first slide 12 to adjust the distance to the bed 3, sofa 4, desk 5, pulley chassis 6 or the connected chair 7.

Compared with the background technology, the table board 1 of the invention has the following advantages:

(1) The desk board 1 of the invention can be arranged on a chair 2, a bed 3 (shown in figure 30), a sofa 4 (shown in figure 31), a table 5 (shown in figure 32), a pulley chassis 6 (shown in figure 33) or a conjoined chair 7 (shown in figure 34) for a user to use, so that the application range of the desk board is relatively increased, and the desk board is beneficial to manufacturing and consumption.

(2) The upper cover plate 11 and the bottom cover plate 13 of the desk plate 10 of the present invention can slide with damping effect relative to the first sliding member 12 of the desk plate 10 by virtue of the movable engagement relationship between the first tooth row 134 and each damping member 16, so that the sliding friction is relatively reduced, the convenience of operation at the consuming end or the using end is facilitated, and each member is not easy to damage due to smaller friction.

(3) The desk board 10 of the invention can horizontally rotate around the desk board 1 by any angle by virtue of the sleeve 21 of the supporting rod 20, namely, the using end can position the writing desk board at a proper angle or position after adjustment, thus providing convenience for the using end.

(4) The desk board 10 of the invention can rotate by virtue of the sleeve 21, the components are relatively simple and not easy to damage, and the assembly operation of the manufacturing end or the consumption end is facilitated or the manufacturing cost is reduced.

The above description is illustrative of the invention and is not to be construed as limiting, and it will be understood by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a table, its characterized in that includes a table piece, a branch and a positioner, wherein:

the support rod is provided with an upper end and a lower end which extends downwards from the upper end for a certain length, the upper end supports the desk plate upwards and forms a rotating shaft, and at least one positioning hole is arranged on the rotating shaft;

the desk plate comprises an upper cover plate, a first sliding piece and a bottom cover plate, wherein the bottom cover plate and the upper cover plate are correspondingly combined up and down to form a structure body so as to move forwards and backwards relative to the first sliding piece; the upper cover plate is provided with a first accommodating space for accommodating the first sliding piece and the bottom cover plate; the first sliding piece is provided with a second accommodating space; the bottom cover plate is provided with a front-back first chute for the first sliding part to slide relatively in the front-back direction in the first chute, and the bottom of the first chute is provided with a front-back long strip-shaped through hole; wherein a rotating shaft formed at the upper end of the supporting rod passes through the perforation of the bottom cover plate from bottom to top so as to be combined and fixed with the first sliding piece; the table plate piece also comprises at least one damping piece which is respectively embedded in the caulking groove arranged on the first sliding piece, and each damping piece is movably meshed with a first tooth row which is arranged in the first chute of the bottom cover plate and is in front-back direction, so that the upper cover plate of the table plate piece and the bottom cover plate can slide in front-back direction with damping effect relative to the first sliding piece of the table plate piece by virtue of the movable meshing relation of the first tooth row and each damping piece; the desk plate further comprises two shielding plate sets, wherein the two shielding plate sets are positioned between the first sliding piece and the first sliding groove of the bottom cover plate and are respectively and symmetrically arranged at the front end and the rear end of the first sliding groove, so that each shielding plate set can respectively move forwards and backwards to downwards movably shield the through hole of the bottom cover plate; each shielding plate set is provided with a first shielding plate and a second shielding plate respectively, each first shielding plate is provided with a first sliding groove part and a first sliding rail part, each second shielding plate is provided with a second sliding groove part and a second sliding rail part, and the first shielding plates of each shielding plate set are movably connected with the second sliding rail parts of the second shielding plates by virtue of the first sliding rail parts so that the second shielding plates of each shielding plate set and the first shielding plates can be relatively slidably unfolded or overlapped; two sliding blocks are respectively arranged on the bottom surfaces of the front end and the rear end of the first sliding piece and are used for respectively penetrating into the first sliding groove parts of the corresponding first shielding plates from top to bottom; two sliding blocks are respectively arranged on the inner faces of the front end and the rear end of the first sliding groove of the bottom cover plate and are respectively and correspondingly movably penetrated into the second sliding groove parts of the corresponding second shielding plates from bottom to top; when the first shielding plate and the second shielding plate of one shielding plate set are driven to relatively slide and spread, the first shielding plate and the second shielding plate of the other shielding plate set are driven to relatively slide and overlap, so that when the upper cover plate of the desk plate and the bottom cover plate relatively slide forwards and backwards relative to the first sliding piece of the desk plate, the first shielding plate and the second shielding plate of each shielding plate set can synchronously slide forwards and backwards and relatively spread or overlap to respectively shield the perforation of the bottom cover plate downwards and movably;

The positioning device is arranged in the second accommodating space of the first sliding part and comprises a movable clamping pin part, and the movable clamping pin part can be operated to extend out of and clamp into or retract out of at least one positioning hole on a rotating shaft formed at the upper end of the supporting rod; when the movable latch piece is operated to retract and is separated from a positioning hole on a rotating shaft formed at the upper end of the supporting rod, the desk plate piece can be operated to horizontally rotate so as to adjust or select the angle of the desk plate piece relative to the upper end of the supporting rod; when the movable locking pin piece is operated to extend out and be locked into a positioning hole on a rotating shaft formed at the upper end of the supporting rod, the desk plate piece is positioned at an angle relative to the upper end of the supporting rod.

2. A table as in claim 1, wherein: the bottom cover plate of the desk plate is further provided with a front-back second sliding groove parallel to the first sliding groove; the desk plate further comprises a second sliding piece, wherein the second sliding piece is slidably arranged in the second sliding groove; the desk plate further comprises a connecting piece, wherein the connecting piece is provided with two connecting ends and is respectively connected with the first sliding piece and the second sliding piece so that the first sliding piece and the second sliding piece can synchronously slide by virtue of the connecting piece.

3. A table as in claim 2, wherein: the desk plate further comprises an inner cover plate which is arranged on the second sliding groove in a sliding mode, so that the second sliding piece can be limited between the inner cover plate and the second sliding groove to slide.

4. A table as in claim 3, wherein: the desk plate further comprises two damping pieces which are respectively embedded in two embedding grooves symmetrically arranged on the second sliding piece, and the two damping pieces can be movably meshed with a front-back second tooth row arranged in a second sliding groove of the bottom cover plate, so that the second sliding piece can slide relatively to the bottom cover plate of the desk plate in the front-back direction with damping effect by virtue of the movable meshing relationship of the second tooth row and each damping piece.

5. A table as in claim 1, wherein: the positioning device forms a pull-ring type locking piece, and the pull-ring type locking piece comprises a pull-ring part; wherein the latch member further comprises a spring portion, a mounting portion and a latch; the pull ring part is provided with a third accommodating space and a bayonet lock fixing part, wherein a perforation and a first clamping point for fixing the spring part are arranged in the third accommodating space, and the bayonet lock fixing part is used for fixing the bayonet lock; the installation part is provided with a fourth accommodating space, and a second clamping point and a clamping pin limiting hole are arranged in the fourth accommodating space; wherein the pull ring part is arranged on the fourth accommodating space of the installation part; wherein the bayonet lock can be selectively clamped into at least one positioning hole arranged on the rotating shaft; when the pull ring part is installed on the installation part, the pull ring part can be pulled to enable the clamping pin to be compressed towards the second clamping point by the elastic force of the spring part and be far away from at least one positioning hole of the rotating shaft, or the pull ring part is released to enable the clamping pin to be elastically stretched from the second clamping point by the elastic force of the spring part and be clamped into at least one positioning hole of the rotating shaft.

6. A table as in claim 1, wherein: the positioning device forms an automatic locking piece which further comprises a mounting part; wherein the latch member further comprises a spring and a locking ball; wherein the mounting part is provided with a clamping pin piece mounting part for mounting the clamping pin piece therein; the clamping ball can be pressed into the clamping pin piece or extend out of the clamping pin piece by virtue of the elastic force of the spring; wherein the locking ball can be selectively locked into at least one positioning hole of the rotating shaft; when the clamping pin piece is installed on the installation part, the clamping pin piece can be rotated by rotating the first sliding piece so that the clamping ball is pressed into the clamping pin piece by the elastic expansion force of the spring of the clamping pin piece to enable the clamping ball to be far away from at least one positioning hole of the rotating shaft, or the desk plate piece is rotated so that the clamping ball extends out of the inner part of the clamping pin piece by the elastic force of the spring of the clamping pin piece to be clamped into at least one positioning hole of the rotating shaft.

7. A table as in claim 1, wherein: the lower end of the supporting rod forms a sleeve, and a rod piece is arranged between the sleeve and the rotating shaft; wherein the sleeve is sleeved on the bottom of a chair in a pivotable manner; wherein the desk plate can horizontally rotate and displace around the chair at any angle by virtue of the sleeve of the supporting rod; when the desk plate horizontally rotates to be close to the chair through the sleeve, the desk plate can slide through the first sliding piece to adjust the distance between the desk plate and the chair.

8. The table as in claim 7, wherein: the bottom of the chair further comprises a seat piece and a foot seat; wherein the seat piece is supported on the foot seat; wherein the supporting rod is rotatably arranged between the seat piece and the foot seat for a user writing left or writing right; wherein the sleeve is sleeved on the foot seat of the chair in a pivotable manner so that the supporting rod can pivot and move relative to the foot seat; wherein the foot seat is arranged at the bottom of the chair to support the table plate and the chair.

9. A table as in claim 8, wherein: the lower part of the seat part is further provided with a seat part fixing part, and the bottom of the seat part fixing part is provided with a limiting rotating groove and a set of holes for limiting the rotation of the seat part fixing part to rotate horizontally by 180 degrees.

10. The table as in claim 9, wherein: the foot seat comprises a plurality of pulley blocks, an annular frame-shaped bottom, a bracket, an elastic piece, an inner bearing, a limit column, an outer shaft sleeve and a steam rod from bottom to top; wherein a fifth accommodation space is arranged on the bracket, a steam rod slot hole, a bearing slot hole and an elastic piece slot hole are arranged in the fifth accommodation space, and the steam rod slot hole is used for arranging the steam rod therein; wherein the elastic piece is arranged in the elastic piece slot hole of the bracket; the inner bearing is arranged in the bearing slot hole of the bracket and is coated on the periphery of the steam rod, the bottom surface of the inner bearing is provided with at least one fixing part for fixing the elastic piece at an angle, the surface of the inner bearing is provided with a limiting fixing part, one side of the inner bearing is provided with a clamping part for the inner bearing to be clamped with a clamped part further arranged on the sleeve by virtue of the clamping part, so that the inner bearing and the sleeve are combined together; the lower part of the limiting column is arranged in the limiting fixing part of the inner bearing, and the upper part of the limiting column passes through the sleeve and the outer sleeve to be propped against the limiting rotating groove of the seat part fixing piece; the outer sleeve is arranged between the bearing slot hole and the limit rotating groove of the seat part fixing piece, and covers the sleeve, the inner bearing and the steam rod, and the outer sleeve is provided with a clamping groove with a downward opening for clamping the outer sleeve at the joint of the sleeve and the rod piece.

11. The table as in claim 10, wherein: when the steam rod is not moving, the seat part fixing piece can horizontally rotate 180 degrees on the steam rod by virtue of the limiting relation between the limiting rotating groove and the limiting column.

12. The table as in claim 11, wherein: the elastic piece can enable the inner bearing, the sleeve and the outer sleeve to form a locking state that the sleeve cannot rotate or a movable state that the sleeve can rotate.

13. The table as in claim 12, wherein: when the steam rod is not moving and the sleeve forms a movable state, the inner bearing, the sleeve and the outer sleeve can horizontally rotate and displace at an angle relative to the steam rod.

14. A table as in claim 3, wherein: the second sliding groove of the desk plate is further internally provided with a sliding rail rod; the rod part of the sliding rail rod is arranged in a track part further arranged on the second sliding piece in a penetrating way, so that the sliding rail rod can enable the second sliding piece to slide along the rod part of the sliding rail rod in a certain track.

15. A table as in claim 1, wherein: the lower end of the supporting rod is further provided with a connecting part; wherein the desk plate can be combined with a base on the support leg of a bed, a sofa, a table, a pulley chassis or a conjoined chair by means of the connecting part of the support rod; wherein the desk plate can slide by the first sliding piece to adjust the distance between the desk plate and a bed, a sofa, a desk, a pulley chassis or a conjoined chair.