CN109805658B - Folding table plate structure for seat and adjusting method thereof - Google Patents
Folding table plate structure for seat and adjusting method thereof Download PDFInfo
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- CN109805658B CN109805658B CN201910287924.7A CN201910287924A CN109805658B CN 109805658 B CN109805658 B CN 109805658B CN 201910287924 A CN201910287924 A CN 201910287924A CN 109805658 B CN109805658 B CN 109805658B
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Abstract
The invention provides a folding table plate structure for a seat and an adjusting method thereof, and belongs to the field of seats. It has solved the nonadjustable problem of table on the current seat. This a foldable table structure for seat includes table and support, the support includes regulating tube and stay tube, and supporting shoe and support cover, the stay tube front end with support set wall connection, regulating tube bottom and stay tube pipe wall connection, the supporting shoe outer wall is equipped with the counterpoint groove, counterpoint groove both ends are equipped with preceding constant head tank and back constant head tank, regulation pole and bracing piece have been worn in regulating tube and the stay tube, the bracing piece pole wall is equipped with the pole groove, the pole inslot is equipped with the spacing groove, be equipped with the stopper on the spacing groove, it is fixed with articulated seat to adjust the pole bottom and stopper, the regulating tube outer wall is fixed with articulated seat, articulated seat includes the articulated shaft, still include the table, be equipped with the hinge hole in the table, articulated shaft wears in articulated hole, the supporting shoe top is fixed with the backup pad, the backup pad is fixed in the bedplate bottom. The structure can adjust the table plate to be positioned on one side of the right hand or the left hand of the seat.
Description
Technical Field
The invention belongs to the technical field of seats, and relates to a folding table plate structure for a seat and an adjusting method thereof.
Background
Due to the limitation of places in conference occasions, a folding chair is generally only equipped without a desk, and when meeting records are carried out, the user can write on the knee only, so that the user is inconvenient.
The existing conference chair with the table plate can be used for recording when a conference is carried out conveniently, but the table plate on the conference chair with the structure is generally connected to one side of the right hand, so that the conference chair is quite inconvenient for a user who is used to record by using the left hand, and therefore improvement is needed.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a folding table plate structure for a seat and an adjusting method thereof, wherein the position of the table plate can be conveniently adjusted according to the habit of a user, and the folding table plate structure only needs to be symmetrical front and back.
The purpose of the invention can be realized by the following technical scheme: the utility model provides a foldable table structure for seat, includes the table and is used for connecting the support of table and seat, the seat include the bedplate and the backup plate of being connected with the bedplate, its characterized in that: the support comprises an adjusting pipe and a supporting pipe which are both hollow tubular structures, a cylindrical supporting block and a round sleeve-shaped supporting sleeve which is sleeved on the supporting block in a matching way, the front end of the supporting pipe is connected with the sleeve wall of the supporting sleeve, the bottom end of the adjusting pipe is connected with the pipe wall of the supporting pipe close to the rear end, the axis of the supporting sleeve is parallel to that of the adjusting pipe and is vertical to that of the supporting pipe, the outer wall of the supporting block is provided with a circular arc-shaped alignment groove which is arranged along the circumferential direction of the supporting block, the front end and the rear end of the alignment groove are respectively provided with a front positioning groove and a rear positioning groove which are deepened to be arranged along the radial direction of the supporting block, an adjusting rod and a supporting rod are respectively and movably matched and penetrated in the adjusting pipe and the supporting pipe, the front end of the supporting rod penetrates through the inner wall of the supporting sleeve, the rear end penetrates out of the supporting pipe, the bottom end of the adjusting rod penetrates out of the supporting pipe, the front end of the supporting rod is positioned on the alignment groove in a sliding way, and the rod wall of the supporting rod is provided with a rod groove, the adjustable table comprises a rod groove, a limiting groove and a main reset spring, wherein the limiting groove is obliquely arranged in the rod groove, a limiting block is arranged on the limiting groove in a sliding manner, the bottom end of an adjusting rod is positioned in the rod groove and fixed with the limiting block, the inner wall of a supporting tube and the rod wall of the supporting rod are respectively provided with a main sliding groove and a main sliding block which is positioned on the main sliding groove in a sliding manner, the main reset spring is sleeved on the supporting rod, two ends of the main reset spring respectively abut against the front end of the main sliding groove and the main sliding block, the outer wall of the adjusting tube close to the top end of the adjusting tube is fixedly provided with a hinge seat which comprises a rod-shaped hinge shaft, the axis of the hinge shaft is respectively vertical to the axis of the adjusting tube and the axis of the supporting tube, the table further comprises a front-back symmetrical plate-shaped table, the top surface and the bottom surface of the table are respectively a main table top surface and an auxiliary table top surface, a hinge hole is arranged in the table top surface and the auxiliary table top surface, the hinge hole is arranged close to one side of the table top surface, the hinge hole in a movable fit manner, the axis of the adjusting rod and the axis of the supporting rod are both positioned on the symmetrical surface of the table plate, a supporting plate is fixed at the top end of the supporting block, and the supporting plate is fixed at the bottom of the seat plate and is far away from the backup plate;
the table plate can be turned upwards around the articulated shaft, so that the main table top is separated from the rear ends of the supporting tubes and the rear ends of the supporting rods, the auxiliary table top is pressed down to the top end of the adjusting rod and is supported at the top end of the adjusting tube, the main table top and the auxiliary table top are perpendicular to the axis of the adjusting tube, the adjusting rod moves downwards, the limiting block moves to the bottom end of the limiting groove and drives the supporting rod to move forwards, the front end of the supporting rod is embedded in the front positioning groove or the rear positioning groove, the supporting sleeve and the supporting block are relatively fixed, and the adjusting tube is positioned on one side or the other side of the seat;
the table plate can be turned downwards around the articulated shaft, so that the auxiliary table top is separated from the top end of the adjusting pipe and the top end of the adjusting rod, the main table top is pressed downwards at the rear end of the supporting rod and is supported at the rear end of the supporting pipe, the main table top and the auxiliary table top are perpendicular to the axis of the supporting pipe, the supporting rod moves forwards, the limiting block moves to the rear end of the limiting groove and drives the adjusting rod to move downwards, the front end of the supporting rod is embedded in the front positioning groove or the rear positioning groove and relatively fixes the supporting sleeve and the supporting block, and the adjusting pipe is positioned on one side or the other side of the seat;
and can be around articulated shaft upset table, make main desktop and vice desktop separate with bracing piece rear end and regulation pole top respectively, and main reset spring promotes main slider and is located main spout rear end, make regulation pole top and bracing piece rear end stretch out the control tube top and stay tube rear end respectively, and make the bracing piece front end shift out from the front positioning groove, and be located the counterpoint inslot, and can be around supporting set axis runing rest, make the bracing piece front end slide to counterpoint groove front end or rear end, and make the control tube be located seat one side or opposite side.
This structure can be according to right hand user or left hand user use habit, in order to adjust the table and be located seat right hand or left hand one side, because the support can be rotatory around supporting set axis, consequently can avoid the support to influence shank space, and because the table rotates around the articulated shaft, consequently, can conveniently launch or folding table, in order to make things convenient for the user to use, and need table and bracing piece and adjust the pole separation back just can adjust the support, the back of finishing is adjusted, utilize the table extrusion to adjust pole top or bracing piece rear end, with quick fixed bolster, consequently, adjust the support position and launch or folding table can form and link up the regulation, and can avoid the support activity in the use, and only need main desktop front and back symmetry can adopt this table structure.
In the above folding table structure for a seat, the table and the hinge shaft are provided with a latch mechanism, the latch mechanism comprises a connecting groove arranged on the wall of the hinge shaft and along the circumference of the hinge shaft, the two ends of the connecting groove are respectively deepened with a front pin groove and a rear pin groove, the latch mechanism further comprises a pin hole arranged on the table, one end of the pin hole is arranged on the wall of the hinge hole, the axis of the pin hole is vertically crossed with the axis of the hinge hole, the latch mechanism also comprises a pin rod movably arranged in the pin hole, the wall of the pin hole and the pin rod are respectively provided with an auxiliary sliding groove and an auxiliary sliding block sliding on the auxiliary sliding groove, the latch mechanism also comprises an auxiliary reset spring sleeved on the pin rod, the two ends of the auxiliary reset spring respectively abut against the rear end of the auxiliary sliding groove and the auxiliary sliding block, when the main table surface and the auxiliary table surface are vertical to the axis of the adjusting pipe, the auxiliary reset spring pushes the auxiliary sliding block to be arranged at the front end of the auxiliary sliding groove, and the front end of the pin rod is embedded in the front pin groove, and the pin rod can be pulled backwards, so that the front end of the pin rod moves into the connecting groove, the table plate is overturned downwards around the hinge shaft, the front end of the pin rod moves to the rear end of the connecting groove, the main table top and the auxiliary table top are perpendicular to the axis of the supporting tube, the auxiliary return spring pushes the auxiliary sliding block to be positioned at the front end of the auxiliary sliding groove, and the front end of the pin rod is embedded in the rear pin groove.
Therefore, a rear pull pin rod is needed to adjust the table plate, thereby avoiding misoperation.
In the above folding table plate structure for a seat, the table plate and the hinge shaft are provided with two pin mechanisms, the pin rods of the two pin mechanisms are arranged in parallel, the rear ends of the two pin rods are connected through the pull rod, and the pull rod is arranged in parallel with the hinge shaft.
The pin rod can thus be pulled back quickly by means of the pull rod.
In the above-mentioned foldable table structure for seat, the articulated seat include two coaxial dead levers that set up, the dead lever axis is parallel with the articulated shaft axis, two dead lever front ends are close to the pipe wall connection on top with the regulating tube respectively, still include two connecting rods, two connecting rod one end are connected with two dead lever rear ends respectively, the other end is connected with the articulated shaft both ends respectively.
The hinge base structure is more stable.
In the above folding table structure for a seat, the folding table structure further comprises a foot bar, the top end of the foot bar is connected with the pipe wall of the supporting pipe close to the rear end, the foot bar and the adjusting rod are coaxially arranged, and the bottom end of the foot bar is fixedly provided with a caster which is slidably supported on the ground.
Set up the truckle and can not only support the support, can also make things convenient for the removal support simultaneously.
In foretell a foldable table structure for seat, still include cross upper tube seat and low tube seat, the upper tube seat cover is on the regulating tube, and two dead lever front ends are connected with the regulating tube through the upper tube seat, the low tube seat cover on the stay tube, and regulating tube bottom and foot pole top are connected with the stay tube through the low tube seat respectively, and stay tube front end and support cover outer wall welded fastening.
In the above-mentioned foldable table structure for a seat, the inner wall of the rear end of the supporting tube is screwed with the main screw sleeve sleeved on the supporting rod, and the main screw sleeve forms the rear end of the main chute, the hole wall of the rear end of the pin hole is screwed with the auxiliary screw sleeve sleeved on the pin rod, and the auxiliary screw sleeve forms the rear end of the auxiliary chute.
Therefore, the manufacture and installation are convenient.
In the folding table top structure for the seat, the pin rod is arranged in parallel with the main table top and the auxiliary table top.
In the above foldable table top structure for a seat, a reinforcing plate is fixed on the sub-table top, and the sub-table top is supported on the adjusting pipe through the reinforcing plate.
Therefore, the table plate can be better supported.
An adjusting method of a folding table plate structure for a seat is characterized in that: the method comprises the following steps:
firstly, turning over a table plate around a hinged shaft to separate a main table top and an auxiliary table top from the rear ends of supporting rods and adjusting rods respectively;
rotating the bracket around the axis of the support sleeve to enable the front end of the support rod to slide to the front end or the rear end of the alignment groove and enable the adjusting pipe to be positioned on one side or the other side of the seat;
and thirdly, upwards overturning the table plate around the hinged shaft to enable the auxiliary table top to press the top end of the adjusting rod and to be supported at the top end of the adjusting pipe, wherein the main table top and the auxiliary table top are perpendicular to the axis of the adjusting pipe to unfold the table plate, or downwards overturning the table plate around the hinged shaft to enable the main table top to press the rear end of the supporting rod and to be supported at the rear end of the supporting pipe, and the main table top and the auxiliary table top are perpendicular to the axis of the supporting pipe to fold the table plate.
Through the steps, the position of the table board can be conveniently adjusted.
Compared with the prior art, the invention has the following advantages:
1. the structure can adjust the desk plate to be positioned on one side of the right hand or the left hand of the seat according to the use habits of a right-hand user or a left-hand user, and the bracket can rotate around the axis of the support sleeve, so that the bracket can be prevented from influencing leg space;
2. the table plate rotates around the hinge shaft, so that the table plate can be conveniently unfolded or folded, and the use by a user is facilitated;
3. the support can be adjusted only after the desk plate is separated from the supporting rod and the adjusting rod, and after the adjustment is finished, the top end of the adjusting rod or the rear end of the supporting rod is extruded by the desk plate to quickly fix the support, so that the support can be adjusted in position and unfolded or folded to form coherent adjustment, and the support can be prevented from moving in the using process;
4. and the table plate structure can be adopted only by the front and back symmetry of the main table surface.
Drawings
Fig. 1 is a plan view of the table mounted on the seat.
Fig. 2 is a front view of the table board structure.
Fig. 3-5 are enlarged partial cross-sectional views of fig. 2, respectively.
Fig. 6 is a partially enlarged view of fig. 5.
FIG. 7 is an enlarged cross-sectional view of the support sleeve and support block in combination.
Fig. 8 and 9 are front views of two other states of the table structure.
In the figure, the position of the upper end of the main shaft,
1. a seat plate; 11. a backup plate;
2. an adjusting tube; 21. adjusting a rod; 22. an upper pipe seat;
3. supporting a tube; 31. a main chute; 32. a main threaded sleeve; 33. a lower tube seat;
4. a support bar; 41. a rod groove; 42. a limiting groove; 43. a limiting block; 44. a main slider; 45. a main return spring;
5. a support sleeve; 51. a support block; 52. a positioning groove; 53. a front positioning groove; 54. a rear positioning groove; 55. a support plate;
6. a hinged seat; 61. hinging a shaft; 62. a joining groove; 63. a front pin slot; 64. a rear pin slot; 65. fixing the rod; 66. a connecting rod;
7. a table plate; 71. a hinge hole; 72. a pin hole; 73. an auxiliary chute; 74. an auxiliary thread insert;
8. a pin rod; 81. a sub slider; 82. a secondary return spring; 83. a pull rod;
9. a foot bar; 91. and a caster.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1-9, the folding table plate structure for a seat of the present invention comprises a table plate 7 and a bracket for connecting the table plate 7 and the seat, the seat comprises a seat plate 1 and a backup plate 11 connected with the seat plate 1, the bracket comprises an adjusting tube 2 and a support tube 3 both having a hollow tubular structure, a cylindrical support block 51 and a round sleeve-shaped support sleeve 5 fitted on the support block 51, the front end of the support tube 3 is connected with the wall of the support sleeve 5, the bottom end of the adjusting tube 2 is connected with the tube wall of the support tube 3 near the rear end, the axis of the support sleeve 5 is parallel to the axis of the adjusting tube 2 and perpendicular to the axis of the support tube 3, the outer wall of the support block 51 is provided with a circular arc-shaped alignment groove 52 arranged along the circumference of the support block 51, the front and rear ends of the alignment groove 52 are respectively deepened with a front positioning groove 53 and a rear positioning groove 54 arranged along the radial direction of the support block 51, an adjusting rod 21 and a support rod 4 are respectively movably fitted in the adjusting tube 2 and the support tube 3, the front end of the support rod 4 penetrates out of the inner wall of the support sleeve 5, the rear end penetrates out of the rear end of the support tube 3, the bottom end of the adjusting rod 21 penetrates out of the inner wall of the support tube 3, the front end of the support rod 4 is slidably positioned on the alignment groove 52, the rod wall of the support rod 4 is provided with a rod groove 41, the rod groove 41 is internally provided with a limiting groove 42 which is obliquely arranged, the limiting groove 42 is slidably provided with a limiting block 43, the bottom end of the adjusting rod 21 is positioned in the rod groove 41 and is fixed with the limiting block 43, the inner wall of the support tube 3 and the rod wall of the support rod 4 are respectively provided with a main sliding groove 31 and a main sliding block 44 which is slidably positioned on the main sliding groove 31, the table further comprises a main reset spring 45 which is sleeved on the support rod 4, two ends of the main reset spring respectively abut against the front end of the main sliding groove 31 and the main sliding block 44, the outer wall of the adjusting tube 2 close to the top end is fixedly provided with a hinged seat 6, the hinged seat 6 comprises a rod-shaped hinged shaft 61, the axis of the hinged shaft 61 is respectively perpendicular to the axes of the adjusting tube 2 and the support tube 3, and further comprises a plate-shaped table plate 7 which is symmetrical front and back, the top surface and the bottom surface of the table plate 7 are respectively a main table top and an auxiliary table top, a hinge hole 71 is arranged in the table plate 7, the axis of the hinge hole 71 is parallel to the main table top and the auxiliary table top, the hinge hole 71 is arranged close to one side of the table plate 7, a hinge shaft 61 is movably matched and arranged in the hinge hole 71 in a penetrating manner, the axis of the adjusting rod 21 and the axis of the support rod 4 are both positioned on the symmetrical surface of the table plate 7, a support plate 55 is fixed at the top end of the support block 51, and the support plate 55 is fixed at the bottom of the seat plate 1 and is far away from the backup plate 11;
the table plate 7 can be turned upwards around the hinge shaft 61, so that the main table top is separated from the rear end of the support tube 3 and the rear end of the support rod 4, the auxiliary table top is pressed down to the top end of the adjusting rod 21 and is supported at the top end of the adjusting tube 2, the main table top and the auxiliary table top are perpendicular to the axis of the adjusting tube 2, the adjusting rod 21 moves downwards, the limiting block 43 moves to the bottom end of the limiting groove 42 and drives the support rod 4 to move forwards, the front end of the support rod 4 is embedded in the front positioning groove 53 or the rear positioning groove 54 and relatively fixes the support sleeve 5 and the support block 51, and the adjusting tube 2 is positioned at one side or the other side of the seat;
the table plate 7 can be turned downwards around the articulated shaft 61, so that the auxiliary table top is separated from the top end of the adjusting pipe 2 and the top end of the adjusting rod 21, the main table top presses the rear end of the supporting rod 4 downwards and is supported at the rear end of the supporting pipe 3, the main table top and the auxiliary table top are vertical to the axis of the supporting pipe 3, the supporting rod 4 moves forwards, the limiting block 43 moves to the rear end of the limiting groove 42 and drives the adjusting rod 21 to move downwards, the front end of the supporting rod 4 is embedded in the front positioning groove 53 or the rear positioning groove 54 and relatively fixes the supporting sleeve 5 and the supporting block 51, and the adjusting pipe 2 is positioned at one side or the other side of the seat;
and can be around articulated shaft 61 upset table 7, make main desktop and vice desktop separate with bracing piece 4 rear end and regulation pole 21 top respectively, and main reset spring 45 promotes main slider 44 and is located the rear end of main spout 31, make adjust pole 21 top and bracing piece 4 rear end stretch out the top of adjusting tube 2 and the rear end of stay tube 3 respectively, and make the bracing piece 4 front end shift out from the front positioning groove 53, and be located counterpoint groove 52, and can be around supporting 5 axis runing rest, make the bracing piece 4 front end slide to counterpoint groove 52 front end or rear end, and make the adjusting tube 2 be located seat one side or opposite side.
Further, the table plate 7 and the hinge shaft 61 are provided with a latch mechanism, the latch mechanism comprises a connecting groove 62 which is arranged on the shaft wall of the hinge shaft 61 and is arranged along the circumferential direction of the hinge shaft 61, two ends of the connecting groove 62 are respectively deepened to be provided with a front pin groove 63 and a rear pin groove 64, the latch mechanism also comprises a pin hole 72 which is arranged on the table plate 7, one end of the pin hole 72 is arranged on the hole wall of the hinge hole 71, the axis of the pin hole 72 is vertically intersected with the axis of the hinge hole 71, the latch mechanism also comprises a pin rod 8 which is movably arranged in the pin hole 72 in a penetrating way, the hole wall of the pin hole 72 and the pin rod 8 are respectively provided with an auxiliary sliding groove 73 and an auxiliary sliding block 81 which is positioned on the auxiliary sliding groove 73, the latch mechanism also comprises an auxiliary return spring 82 which is sleeved on the pin rod 8, two ends of the auxiliary return groove 73 and the auxiliary sliding block 81 are respectively abutted against the rear end of the auxiliary sliding groove 73, and when the main table surface and the auxiliary table surface are vertical to the axis of the adjusting pipe 2, the auxiliary return spring 82 pushes the auxiliary sliding block 81 to be positioned at the front end of the auxiliary sliding groove 73, and the front end of the pin rod 8 is embedded in the front pin groove 63, and the pin rod 8 can be pulled backwards, so that the front end of the pin rod 8 moves into the connecting groove 62, the table plate 7 is turned downwards around the hinge shaft 61, the front end of the pin rod 8 moves to the rear end of the connecting groove 62, the main table top and the auxiliary table top are perpendicular to the axis of the supporting tube 3, the auxiliary return spring 82 pushes the auxiliary sliding block 81 to be positioned at the front end of the auxiliary sliding groove 73, and the front end of the pin rod 8 is embedded in the rear pin groove 64. Two bolt mechanisms are arranged on the table plate 7 and the hinged shaft 61, the pin rods 8 of the two bolt mechanisms are arranged in parallel, the rear ends of the two pin rods 8 are connected through a pull rod 83, and the pull rod 83 is arranged in parallel with the hinged shaft 61. Articulated seat 6 includes two coaxial setting's dead lever 65, and dead lever 65 axis is parallel with articulated shaft 61 axis, and two dead lever 65 front ends are close to the pipe wall connection on top with control tube 2 respectively, still include two connecting rods 66, and two connecting rods 66 one end are connected with two dead lever 65 rear ends respectively, and the other end is connected with articulated shaft 61 both ends respectively. The device also comprises a foot rod 9 with the top end connected with the pipe wall of the supporting pipe 3 close to the rear end, the foot rod 9 and the adjusting rod 21 are coaxially arranged, and the bottom end of the foot rod 9 is fixedly provided with a caster 91 which is supported on the ground in a sliding manner. Still include cross upper tube seat 22 and lower tube seat 33, upper tube seat 22 overlaps on the control tube 2, and two dead lever 65 front ends are connected with control tube 2 through upper tube seat 22, and lower tube seat 33 overlaps on stay tube 3, and the bottom of control tube 2 and the foot pole 9 top are connected with stay tube 3 through lower tube seat 33 respectively, and stay tube 3 front end and the outer wall welded fastening of support cover 5. The inner wall of the rear end of the support tube 3 is screwed with a main threaded sleeve 32 sleeved on the support rod 4, the main threaded sleeve 32 forms the rear end of the main sliding groove 31, the hole wall of the rear end of the pin hole 72 is screwed with an auxiliary threaded sleeve 74 sleeved on the pin rod 8, and the auxiliary threaded sleeve 74 forms the rear end of the auxiliary sliding groove 73. The pin rod 8 is arranged in parallel with the main tabletop and the auxiliary tabletop. A reinforcing plate is fixed on the auxiliary table top, and the auxiliary table top is supported on the adjusting pipe 2 through the reinforcing plate.
This structure can be according to right hand user or left hand user use habit, in order to adjust table 7 and be located seat right hand or left hand one side, because the support can be rotatory around supporting 5 axes, consequently can avoid the support to influence shank space, and because table 7 rotates around articulated shaft 61, consequently can conveniently launch or folding table 7, in order to make things convenient for the user to use, and need table 7 and bracing piece 4 and adjust the pole 21 after the separation just can adjust the support, adjust the back that finishes, utilize table 7 extrusion to adjust pole 21 top or bracing piece 4 rear end, with quick fixed bolster, consequently adjust the support position and launch or folding table 7 and can form and link up the regulation, and can avoid the support activity in the use, and only need main desktop front and back symmetry can adopt this table 7 structure.
A method of adjusting a folding table structure for a seat, comprising the steps of:
firstly, the table plate 7 is turned around the articulated shaft 61, so that the main table top and the auxiliary table top are separated from the rear ends of the support rods 4 and the rear ends of the adjusting rods 21 respectively;
rotating the bracket around the axis of the support sleeve 5 to enable the front end of the support rod 4 to slide to the front end or the rear end of the alignment groove 52 and enable the adjusting pipe 2 to be positioned on one side or the other side of the seat;
and step three, upwards overturning the table plate 7 around the hinge shaft 61 to enable the auxiliary table surface to downwards press the top end of the adjusting rod 21 and support the top end of the adjusting pipe 2, wherein the main table surface and the auxiliary table surface are vertical to the axis of the adjusting pipe 2 to unfold the table plate 7, or downwards overturning the table plate 7 around the hinge shaft 61 to enable the main table surface to downwards press the rear end of the supporting rod 4 and support the rear end of the supporting pipe 3, and the main table surface and the auxiliary table surface are vertical to the axis of the supporting pipe 3 to fold the table plate 7.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although the terms of the seat plate 1, the backup plate 11, the adjusting tube 2, the adjusting rod 21, the upper tube base 22, the supporting tube 3, the main sliding groove 31, the main screw sleeve 32, the lower tube base 33, the supporting rod 4, the rod groove 41, the limiting groove 42, the limiting block 43, the main slider 44, the main return spring 45, the supporting sleeve 5, the supporting block 51, the aligning groove 52, the front positioning groove 53, the rear positioning groove 54, the supporting plate 55, the hinge base 6, the hinge shaft 61, the engagement groove 62, the front pin groove 63, the rear pin groove 64, the fixing rod 65, the connecting rod 66, the table plate 7, the hinge hole 71, the pin hole 72, the auxiliary sliding groove 73, the auxiliary screw sleeve 74, the pin 8, the auxiliary slider 81, the auxiliary return spring 82, the pull rod 83, the foot rod 9, the caster 91, and the like are used more often, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. A foldable table structure for seat, includes table (7) and the support that is used for connecting table (7) and seat, the seat include bedplate (1) and backup plate (11) be connected with bedplate (1), its characterized in that: the support comprises an adjusting pipe (2) and a supporting pipe (3) which are both hollow tubular structures, a cylindrical supporting block (51) and a round sleeve-shaped supporting sleeve (5) which is sleeved on the supporting block (51) in a matching way, the front end of the supporting pipe (3) is connected with the sleeve wall of the supporting sleeve (5), the bottom end of the adjusting pipe (2) is connected with the pipe wall of the supporting pipe (3) close to the rear end, the axis of the supporting sleeve (5) is parallel to the axis of the adjusting pipe (2) and is vertical to the axis of the supporting pipe (3), the outer wall of the supporting block (51) is provided with a circular arc-shaped aligning groove (52) which is arranged along the circumferential direction of the supporting block (51), the front end and the rear end of the aligning groove (52) are respectively deepened and provided with a front positioning groove (53) and a rear positioning groove (54) which are arranged along the radial direction of the supporting block (51), an adjusting rod (21) and a supporting rod (4) are respectively penetrated in the adjusting pipe (2) and the supporting pipe (3) in a movable matching way, the front end of the supporting rod (4) penetrates out of the inner wall of the supporting sleeve (5), the rear end of the supporting rod penetrates out of the rear end of the supporting tube (3), the bottom end of the adjusting rod (21) penetrates out of the inner wall of the supporting tube (3), the front end of the supporting rod (4) is slidably positioned on the aligning groove (52), the rod wall of the supporting rod (4) is provided with a rod groove (41), a limiting groove (42) which is obliquely arranged is arranged in the rod groove (41), a limiting block (43) is slidably arranged on the limiting groove (42), the bottom end of the adjusting rod (21) is positioned in the rod groove (41) and is fixed with the limiting block (43), the inner wall of the supporting tube (3) and the rod wall of the supporting rod (4) are respectively provided with a main sliding groove (31) and a main sliding block (44) which is slidably positioned on the main sliding groove (31), and the main reset spring (45) is sleeved on the supporting rod (4), and the two ends of the main reset spring respectively abut against the front end of the main sliding groove (31) and the main sliding block (44), the adjusting device is characterized in that a hinged seat (6) is fixed on the outer wall of the adjusting pipe (2) close to the top end, the hinged seat (6) comprises a rod-shaped hinged shaft (61), the axis of the hinged shaft (61) is perpendicular to the axis of the adjusting pipe (2) and the axis of the supporting pipe (3), the hinged seat further comprises a front-back symmetrical plate-shaped table board (7), the top surface and the bottom surface of the table board (7) are respectively a main table top and an auxiliary table top, a hinged hole (71) is arranged in the table board (7), the axis of the hinged hole (71) is parallel to the main table top and the auxiliary table top, the hinged hole (71) is arranged close to one side of the table board (7), the hinged shaft (61) is movably matched and penetrates through the hinged hole (71), the axis of the adjusting rod (21) and the axis of the supporting rod (4) are both located on the symmetrical surface of the table board (7), a supporting plate (55) is fixed at the top end of the supporting block (51), and the supporting plate (55) is fixed at the bottom of the seat board (1), and is arranged far away from the backup plate (11);
the table plate (7) can be turned upwards around the hinge shaft (61), so that the main table top is separated from the rear end of the support tube (3) and the rear end of the support rod (4), the auxiliary table top presses the top end of the adjusting rod (21) and is supported at the top end of the adjusting tube (2), the main table top and the auxiliary table top are perpendicular to the axis of the adjusting tube (2), the adjusting rod (21) moves downwards, the limiting block (43) moves to the bottom end of the limiting groove (42), the support rod (4) is driven to move forwards, the front end of the support rod (4) is embedded in the front positioning groove (53) or the rear positioning groove (54), the support sleeve (5) and the support block (51) are fixed relatively, and the adjusting tube (2) is positioned on one side or the other side of the seat;
the table plate (7) can be turned downwards around the hinge shaft (61), so that the auxiliary table top is separated from the top end of the adjusting pipe (2) and the top end of the adjusting rod (21), the main table top presses the rear end of the supporting rod (4) and is supported at the rear end of the supporting pipe (3), the main table top and the auxiliary table top are perpendicular to the axis of the supporting pipe (3), the supporting rod (4) moves forwards, the limiting block (43) moves to the rear end of the limiting groove (42), the adjusting rod (21) is driven to move downwards, the front end of the supporting rod (4) is embedded in the front positioning groove (53) or the rear positioning groove (54), the supporting sleeve (5) and the supporting block (51) are relatively fixed, and the adjusting pipe (2) is positioned on one side or the other side of the seat;
and can overturn table board (7) around articulated shaft (61), make main desktop and vice desktop separate with bracing piece (4) rear end and regulation pole (21) top respectively, and main reset spring (45) promote main slider (44) to be located main spout (31) rear end, make regulation pole (21) top and bracing piece (4) rear end stretch out respectively and adjust pipe (2) top and stay tube (3) rear end, and make bracing piece (4) front end shift out from front positioning groove (53), and be located counterpoint groove (52), and can surround support cover (5) axis runing rest, make bracing piece (4) front end slide to counterpoint groove (52) front end or rear end, and make regulating tube (2) be located seat one side or opposite side.
2. A folding table structure for a seat as claimed in claim 1, wherein: the table plate (7) and the articulated shaft (61) are provided with a bolt mechanism, the bolt mechanism comprises a connecting groove (62) which is positioned on the shaft wall of the articulated shaft (61) and is arranged along the circumferential direction of the articulated shaft (61), the two ends of the connecting groove (62) are respectively deepened and provided with a front pin groove (63) and a rear pin groove (64), the bolt mechanism also comprises a pin hole (72) which is positioned on the table plate (7), one end of the pin hole (72) is positioned on the hole wall of the articulated hole (71), the axis of the pin hole (72) is vertically crossed with the axis of the articulated hole (71), the bolt mechanism also comprises a pin rod (8) which is movably arranged in the pin hole (72), the hole wall of the pin hole (72) and the pin rod (8) are respectively provided with an auxiliary sliding groove (73) and an auxiliary sliding block (81) which is positioned on the auxiliary sliding groove (73), the bolt mechanism also comprises an auxiliary reset spring (82) which is sleeved on the pin rod (8), and the two ends of which are respectively abutted against the rear end of the auxiliary sliding groove (73) and the auxiliary sliding block (81), when the main tabletop and the auxiliary tabletop are perpendicular to the axis of the adjusting pipe (2), the auxiliary return spring (82) pushes the auxiliary sliding block (81) to be located at the front end of the auxiliary sliding groove (73), the front end of the pin rod (8) is embedded in the front pin groove (63), the pin rod (8) can be pulled backwards, the front end of the pin rod (8) moves into the connecting groove (62), the table plate (7) is turned downwards around the hinged shaft (61), the front end of the pin rod (8) moves to the rear end of the connecting groove (62), the main tabletop and the auxiliary tabletop are perpendicular to the axis of the supporting pipe (3), and the auxiliary return spring (82) pushes the auxiliary sliding block (81) to be located at the front end of the auxiliary sliding groove (73), and the front end of the pin rod (8) is embedded in the rear pin groove (64).
3. A folding table structure for a seat as claimed in claim 2, wherein: table (7) and articulated shaft (61) on be equipped with two bolt mechanisms, and pin rod (8) parallel arrangement of two bolt mechanisms, and two pin rod (8) rear ends pass through pull rod (83) and connect, and pull rod (83) and articulated shaft (61) parallel arrangement.
4. A folding table structure for a seat as claimed in claim 3, wherein: articulated seat (6) including two dead levers (65) of coaxial setting, dead lever (65) axis is parallel with articulated shaft (61) axis, two dead lever (65) front ends respectively with control tube (2) be close to the pipe wall connection on top, still include two connecting rods (66), two connecting rods (66) one end are connected with two dead lever (65) rear ends respectively, the other end is connected with articulated shaft (61) both ends respectively.
5. A folding table structure for a seat as set forth in claim 4, wherein: still include foot pole (9) that top and stay tube (3) are close to the pipe wall connection of rear end, foot pole (9) and regulation pole (21) coaxial setting, and foot pole (9) bottom mounting has the truckle (91) that slide support is subaerial.
6. A folding table structure for a seat as claimed in claim 5, in which: still include cross top tube seat (22) and lower tube seat (33), top tube seat (22) cover is on adjusting pipe (2), and two dead lever (65) front ends are connected with adjusting pipe (2) through top tube seat (22), lower tube seat (33) cover on stay tube (3), and adjust pipe (2) bottom and foot pole (9) top and be connected with stay tube (3) through lower tube seat (33) respectively, and stay tube (3) front end and support cover (5) outer wall welded fastening.
7. A folding table structure for a seat as claimed in claim 6, wherein: the inner wall of the rear end of the support tube (3) is in threaded connection with a main threaded sleeve (32) sleeved on the support rod (4), the main threaded sleeve (32) forms the rear end of a main sliding groove (31), the hole wall of the rear end of the pin hole (72) is in threaded connection with an auxiliary threaded sleeve (74) sleeved on the pin rod (8), and the auxiliary threaded sleeve (74) forms the rear end of an auxiliary sliding groove (73).
8. A folding table structure for a seat as claimed in claim 7, wherein: the pin rod (8) is arranged in parallel with the main tabletop and the auxiliary tabletop.
9. A folding table structure for a seat as set forth in claim 8, wherein: a reinforcing plate is fixed on the auxiliary table top, and the auxiliary table top is supported on the adjusting pipe (2) through the reinforcing plate.
10. An adjustment method for a folding table structure for a seat as claimed in claim 9, characterized in that: the method comprises the following steps:
firstly, turning over a table plate (7) around a hinged shaft (61) to separate a main table top and an auxiliary table top from the rear ends of a support rod (4) and an adjusting rod (21) respectively;
rotating the bracket around the axis of the support sleeve (5) to enable the front end of the support rod (4) to slide to the front end or the rear end of the alignment groove (52) and enable the adjusting pipe (2) to be positioned on one side or the other side of the seat;
and thirdly, upwards overturning the table plate (7) around the hinge shaft (61) to enable the auxiliary table top to downwards press the top end of the adjusting rod (21) and support the top end of the adjusting pipe (2), wherein the main table top and the auxiliary table top are vertical to the axis of the adjusting pipe (2) to unfold the table plate (7), or downwards overturning the table plate (7) around the hinge shaft (61) to enable the main table top to downwards press the rear end of the supporting rod (4) and support the rear end of the supporting pipe (3), and the main table top and the auxiliary table top are vertical to the axis of the supporting pipe (3) to fold the table plate (7).
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| CN201910287924.7A CN109805658B (en) | 2019-04-11 | 2019-04-11 | Folding table plate structure for seat and adjusting method thereof |
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| CN110215378A (en) * | 2019-07-03 | 2019-09-10 | 徐州坤鹏医疗器械有限公司 | A kind of gerontal patient's rehabilitation walk helper |
| CN110422048A (en) * | 2019-07-24 | 2019-11-08 | 汉腾汽车有限公司 | A kind of secondary instrument structure for wisdom radio car |
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