CN110623475A - Deformable table plate and learning table applying same - Google Patents
Deformable table plate and learning table applying same Download PDFInfo
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- CN110623475A CN110623475A CN201911058855.9A CN201911058855A CN110623475A CN 110623475 A CN110623475 A CN 110623475A CN 201911058855 A CN201911058855 A CN 201911058855A CN 110623475 A CN110623475 A CN 110623475A
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- plate
- connecting rod
- supporting plate
- elbow supporting
- top plate
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- 230000000712 assembly Effects 0.000 claims description 12
- 238000000429 assembly Methods 0.000 claims description 12
- 230000008602 contraction Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 230000036544 posture Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B1/00—Extensible tables
- A47B1/04—Extensible tables with supplementary leaves or drop leaves arranged at the periphery
- A47B1/05—Extensible tables with supplementary leaves or drop leaves arranged at the periphery the leaves being extensible by drawing-out
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B13/00—Details of tables or desks
- A47B13/08—Table tops; Rims therefor
- A47B13/081—Movable, extending, sliding table tops
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
- A47D3/00—Children's tables
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B1/00—Extensible tables
- A47B1/04—Extensible tables with supplementary leaves or drop leaves arranged at the periphery
- A47B1/05—Extensible tables with supplementary leaves or drop leaves arranged at the periphery the leaves being extensible by drawing-out
- A47B2001/053—Extensible tables with supplementary leaves or drop leaves arranged at the periphery the leaves being extensible by drawing-out and liftable to the same height as the main table leaf
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- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The invention relates to the technical field of household articles for children, in particular to a deformable table plate and a learning table using the same. The deformable table plate comprises a table top plate, a elbow supporting plate, a top plate mechanism and an electric telescopic mechanism, wherein the elbow supporting plate can freely extend out of the front side of the table top plate and can be folded to the bottom of the table top plate, the top plate mechanism drives the elbow supporting plate to lift, and the electric telescopic mechanism drives the elbow supporting plate to move back and forth. The learning table applying the deformable table plate comprises a table plate and table legs for supporting the table plate, wherein the table plate adopts the deformable table plate. The automatic folding and storage of the desk plate of the learning desk is realized, the occupied space of the learning desk when the learning desk is not used is reduced, and the reasonable utilization of the space is facilitated; moreover, the electric control of the keys is adopted, so that the safety of the young children in independent operation is ensured.
Description
Technical Field
The invention relates to the technical field of household articles for children, in particular to a deformable table plate and a learning table using the same.
Background
The learning table is a novel, scientific, humanized and practical learning auxiliary tool, and can cultivate good writing sitting postures of children. The existing learning table plate occupies a large space, the time for children to use the learning table is limited, and the learning table plate occupies a large space when not in use, so that the reasonable utilization of the space is not facilitated. At present, study table plates convenient to fold and store appear in the market, but most of the study table plates are combined by a mechanical structure and a spring and are not suitable for being independently operated by young children.
Disclosure of Invention
The invention aims to provide a deformable table top and a learning table using the same, and solves the technical problems.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a deformable table plate comprises a table plate, a bracket plate, a top plate mechanism and an electric telescopic mechanism, wherein the bracket plate can freely extend out of the front side of the table plate and can be folded to the bottom of the table plate, the top plate mechanism drives the bracket plate to lift, and the electric telescopic mechanism drives the bracket plate to move back and forth.
As a preferable scheme of the technical scheme, the electric telescopic mechanism further comprises a control system for controlling the top plate mechanism and the electric telescopic mechanism to act, wherein the control system comprises a driving control plate, an operation panel and a power switch; the driving control panel comprises a chip, a power input end, a relay output end and a signal input end; the chip at least comprises a motor driving pin, a time timing pin and a stopping pin; the signal input end is connected with a power switch wiring harness; the operation panel is provided with an extension key and a contraction key.
As a preferable scheme of the above technical scheme, the top plate mechanism comprises an M-shaped ejector rod, a direct current solenoid valve for driving the M-shaped ejector rod to lift, and a lifting column fixedly assembled on the elbow support plate through a Z-shaped angle code; two support arms of the M-shaped ejector rod are respectively provided with a long-strip-shaped stroke hole matched with the lifting column; the valve seat of the direct current electromagnetic valve is fixedly assembled on the table top plate, and the valve rod is fixedly assembled on the M-shaped ejector rod.
As a preferred scheme of the above technical scheme, the electric telescopic mechanism comprises two groups of connecting rod assemblies which are symmetrically arranged, a rotating shaft which drives the two groups of connecting rod assemblies to move, and a motor which drives the rotating shaft to rotate; the connecting rod assembly comprises a first connecting rod and a second connecting rod, the front end of the first connecting rod is fixedly assembled on the elbow supporting plate, one end of the second connecting rod is hinged with the tail end of the first connecting rod, and the other end of the second connecting rod is fixedly assembled with the rotating shaft; the outer side of the first connecting rod is provided with a guide stroke hole matched with a guide post fixedly assembled on the desktop plate.
As a preferable scheme of the above technical scheme, two ends of the electric telescopic mechanism are symmetrically provided with tension springs, the tension springs are arranged on the inner side of the connecting rod assembly, one end of each tension spring is assembled on a first corner brace used for fixing the first connecting rod on the elbow supporting plate, and the other end of each tension spring is assembled on the table top plate through a second corner brace.
As a preferable solution of the above technical solution, the shape of the toggle holding plate includes, but is not limited to, a rectangle, a trapezoid, a semicircle, an arc, a concave circle, and a concave arc.
A learning desk applying a deformable desk board comprises a desk board and desk legs for supporting the desk board; the table plate adopts a deformable table plate and comprises a table plate, a elbow supporting plate, a top plate mechanism and an electric telescopic mechanism, wherein the elbow supporting plate can freely extend out of the front side of the table plate and can be folded to the bottom of the table plate, the top plate mechanism drives the elbow supporting plate to lift, and the electric telescopic mechanism drives the elbow supporting plate to move back and forth.
As a preferable scheme of the technical scheme, the electric telescopic mechanism further comprises a control system for controlling the top plate mechanism and the electric telescopic mechanism to act, wherein the control system comprises a driving control plate, an operation panel and a power switch; the driving control panel comprises a chip, a power input end, a relay output end and a signal input end; the chip at least comprises a motor driving pin, a time timing pin and a stopping pin; the signal input end is connected with a power switch wiring harness; the operation panel is provided with an extension key and a contraction key.
As a preferable scheme of the above technical scheme, the top plate mechanism comprises an M-shaped ejector rod, a direct current solenoid valve for driving the M-shaped ejector rod to lift, and a lifting column fixedly assembled on the elbow support plate through a Z-shaped angle code; two support arms of the M-shaped ejector rod are respectively provided with a long-strip-shaped stroke hole matched with the lifting column; the valve seat of the direct current electromagnetic valve is fixedly assembled on the table top plate, and the valve rod is fixedly assembled on the M-shaped ejector rod.
As a preferred scheme of the above technical scheme, the electric telescopic mechanism comprises two groups of connecting rod assemblies which are symmetrically arranged, a rotating shaft which drives the two groups of connecting rod assemblies to move, and a motor which drives the rotating shaft to rotate; the connecting rod assembly comprises a first connecting rod and a second connecting rod, the front end of the first connecting rod is fixedly assembled on the elbow supporting plate, one end of the second connecting rod is hinged with the tail end of the first connecting rod, and the other end of the second connecting rod is fixedly assembled with the rotating shaft; the outer side of the first connecting rod is provided with a guide stroke hole matched with a guide post fixedly assembled on the desktop plate; the two ends of the electric telescopic mechanism are symmetrically provided with tension springs, the tension springs are arranged on the inner side of the connecting rod assembly, one end of each tension spring is assembled on a first corner brace used for fixing the first connecting rod on the elbow supporting plate, and the other end of each tension spring is assembled on the table top plate through a second corner brace.
Has the advantages that: compared with the prior art, the automatic folding and storage table plate of the learning table is automatically folded and stored, the occupied space when the learning table is not used is reduced, and the reasonable utilization of the space is facilitated; moreover, the electric control of the keys is adopted, so that the safety of the young children in independent operation is ensured.
Drawings
FIG. 1 is a schematic view of a deformable table of the present invention in an extended position;
FIG. 2 is a schematic structural view of the transformable table in accordance with the present invention in a collapsed position;
FIG. 3 is a schematic structural view of an electric telescopic mechanism according to the present invention;
FIG. 4 is a schematic view of a first link according to the present invention;
FIG. 5 is a schematic view of a second link according to the present invention;
FIG. 6 is a schematic structural view of the top plate mechanism of the present invention provided with a DC solenoid valve;
FIG. 7 is a schematic structural view of the top plate mechanism of the present invention with two DC solenoid valves;
FIG. 8 is a schematic structural view of the top plate mechanism of the present invention with three DC solenoid valves;
FIG. 9 is a circuit schematic of the control system described in the present invention;
fig. 10 is an exploded view of an embodiment of the learning table using the deformable table as described in the present invention.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
Examples
Deformable table embodiments
Referring to fig. 1 to 9, the deformable table top according to the present embodiment includes a table top 1, a elbow supporting plate 2 capable of freely extending to the front side of the table top 1 and being folded to the bottom of the table top 1, a top plate mechanism for driving the elbow supporting plate 2 to lift, and an electric telescopic mechanism for driving the elbow supporting plate 2 to move back and forth. The device also comprises a control system for controlling the top plate mechanism and the electric telescopic mechanism to act.
The top plate mechanism comprises an M-shaped ejector rod 3, a direct-current electromagnetic valve 4 for driving the M-shaped ejector rod 3 to lift and a lifting column 6 fixedly assembled on the elbow supporting plate 2 through a Z-shaped angle bracket 5. Two support arms of the M-shaped ejector rod 3 are respectively provided with a long-strip-shaped stroke hole 7 matched with the lifting column 6. The valve seat of the direct current electromagnetic valve 4 is fixedly assembled on the desktop plate 1, and the valve rod is fixedly assembled on the M-shaped ejector rod 3.
When the length and the weight of the elbow supporting plate 2 are long, the top plate mechanism should respectively add a direct current electromagnetic valve 4 (the specific structure of which is shown in fig. 8) at the middle position of the M-shaped mandril 3 and at the end parts of the two arms of the M-shaped mandril 3, so as to ensure that the force is sufficient and the elbow supporting plate 2 is balanced when being jacked up. When the elbow supporting plate 2 is short and has proper weight, the top plate mechanism only needs to be provided with a direct current electromagnetic valve 4 (the specific structure of the direct current electromagnetic valve is shown in figure 6) at the middle position of the M-shaped ejector rod 3, so that the manufacturing cost is reduced. When the length of the elbow supporting plate 2 is long but the weight is light, the top plate mechanism should respectively add a direct current electromagnetic valve 4 (the specific structure of which is shown in fig. 7) at the end of each of the two arms of the M-shaped ejector rod 3 to ensure the lifting balance of the elbow supporting plate 2.
The electric telescopic mechanism comprises two groups of connecting rod assemblies which are symmetrically arranged, a rotating shaft 8 which drives the two groups of connecting rod assemblies to move and a motor 9 which drives the rotating shaft 8 to rotate. The connecting rod assembly comprises a first connecting rod 10 and a second connecting rod 11, the front end of the first connecting rod 10 is fixedly assembled on the elbow supporting plate 2, one end of the second connecting rod 11 is hinged with the tail end of the first connecting rod 10, and the other end of the second connecting rod 11 is fixedly assembled with the rotating shaft 8. The outer side of the first connecting rod 10 is provided with a guide travel hole 13 which is matched with a guide post 12 fixedly assembled on the table top board 1. Two ends of the electric telescopic mechanism are symmetrically provided with tension springs 14, the tension springs 14 are arranged on the inner side of the connecting rod assembly, one end of each tension spring is assembled on a first corner brace 15 used for fixing the first connecting rod 10 on the elbow supporting plate 2, and the other end of each tension spring is assembled on the table top plate 1 through a second corner brace 16.
The control system comprises a driving control panel, an operation panel and a power switch. The drive control panel comprises a chip, a power input end, a relay output end and a signal input end. The chip at least comprises a motor driving pin, a time timing pin and a stopping pin. The signal input end is connected with a power switch wiring harness. The operation panel is provided with an extension key and a contraction key. The output end of the relay is electrically connected with the motor 9 and the direct current electromagnetic valve 4.
The shape of the elbow supporting plate 2 includes but is not limited to rectangle, trapezoid, semicircle, arc, concave circle and concave arc.
Embodiment of learning desk
Referring to fig. 10, the learning table using the deformable table of the present embodiment includes a table top, table legs 17, a front cross member (not shown in the drawings) disposed at the front ends of the tops of the two table legs 17, and a rear cross member (not shown in the drawings) disposed at the rear ends of the tops of the two table legs 17. The table plate comprises a deformable table plate and a fixed table plate 20, the deformable table plate is hinged to the front cross beam, and the inclination angle of the deformable table plate can be adjusted (the connection mode of the table plate with the adjustable angle is the prior art, and the specific structure of the table plate is not described herein any more). The bookshelf is characterized by further comprising a connecting plate 18 and a bookshelf 19, wherein the connecting plate 18 and the bookshelf 19 are assembled between the two table legs 17, and the bookshelf 19 is assembled at the rear end of the top of the table legs 17 through a fixed table plate 20.
Referring to fig. 1 to 9, the deformable table comprises a table top board 1, a bracket 2 capable of freely extending to the front side of the table top board 1 and being folded to the bottom of the table top board 1, a top board mechanism for driving the bracket 2 to lift, and an electric telescopic mechanism for driving the bracket 2 to move back and forth. The device also comprises a control system for controlling the top plate mechanism and the electric telescopic mechanism to act.
The top plate mechanism comprises an M-shaped ejector rod 3, a direct-current electromagnetic valve 4 for driving the M-shaped ejector rod 3 to lift and a lifting column 6 fixedly assembled on the elbow supporting plate 2 through a Z-shaped angle bracket 5. Two support arms of the M-shaped ejector rod 3 are respectively provided with a long-strip-shaped stroke hole 7 matched with the lifting column 6. The valve seat of the direct current electromagnetic valve 4 is fixedly assembled on the desktop plate 1, and the valve rod is fixedly assembled on the M-shaped ejector rod 3.
When the length and the weight of the elbow supporting plate 2 are long, the top plate mechanism should respectively add a direct current electromagnetic valve 4 (the specific structure of which is shown in fig. 8) at the middle position of the M-shaped mandril 3 and at the end parts of the two arms of the M-shaped mandril 3, so as to ensure that the force is sufficient and the elbow supporting plate 2 is balanced when being jacked up. When the elbow supporting plate 2 is short and has proper weight, the top plate mechanism only needs to be provided with a direct current electromagnetic valve 4 (the specific structure of the direct current electromagnetic valve is shown in figure 6) at the middle position of the M-shaped ejector rod 3, so that the manufacturing cost is reduced. When the length of the elbow supporting plate 2 is long but the weight is light, the top plate mechanism should respectively add a direct current electromagnetic valve 4 (the specific structure of which is shown in fig. 7) at the end of each of the two arms of the M-shaped ejector rod 3 to ensure the lifting balance of the elbow supporting plate 2.
The electric telescopic mechanism comprises two groups of connecting rod assemblies which are symmetrically arranged, a rotating shaft 8 which drives the two groups of connecting rod assemblies to move and a motor 9 which drives the rotating shaft 8 to rotate. The connecting rod assembly comprises a first connecting rod 10 and a second connecting rod 11, the front end of the first connecting rod 10 is fixedly assembled on the elbow supporting plate 2, one end of the second connecting rod 11 is hinged with the tail end of the first connecting rod 10, and the other end of the second connecting rod 11 is fixedly assembled with the rotating shaft 8. The outer side of the first connecting rod 10 is provided with a guide travel hole 13 which is matched with a guide post 12 fixedly assembled on the table top board 1. Two ends of the electric telescopic mechanism are symmetrically provided with tension springs 14, the tension springs 14 are arranged on the inner side of the connecting rod assembly, one end of each tension spring is assembled on a first corner brace 15 used for fixing the first connecting rod 10 on the elbow supporting plate 2, and the other end of each tension spring is assembled on the table top plate 1 through a second corner brace 16.
The control system comprises a driving control panel, an operation panel and a power switch. The drive control panel comprises a chip, a power input end, a relay output end and a signal input end. The chip at least comprises a motor driving pin, a time timing pin and a stopping pin. The signal input end is connected with a power switch wiring harness. The operation panel is provided with an extension key and a contraction key. The output end of the relay is electrically connected with the motor 9 and the direct current electromagnetic valve 4.
As other embodiments of the invention, the desk plate of the learning desk can further comprise side fixed desk plates arranged on the left side and/or the right side of the deformable desk plate.
The working principle of the invention is briefly described as follows:
when the elbow supporting plate 2 is folded into the bottom of the desktop plate 1, the power switch is turned on, and the control panel and the motor 9 are driven to obtain power. And a 'shrink' key on the operation panel is clicked, a high-level signal conducts a relay through a driving control panel, and the direct-current electromagnetic valve 4 is electrified to work. When the direct-current electromagnetic valve 4 works, the valve rod extends out under the action of magnetic force to push the M-shaped ejector rod 3 to move downwards, and then the elbow supporting plate 2 is driven to move vertically downwards (the movement amount is consistent with the thickness of the elbow supporting plate 2). When the elbow supporting plate 2 vertically moves downwards to reach the movement amount, the motor 9 is powered, at the moment, the motor 9 works to drive the rotating shaft 8 to rotate, further drive the second connecting rod 11 to rotate by taking the assembly end of the second connecting rod 11 and the rotating shaft 8 as an original point, and further drive the first connecting rod 10 to act to pull the elbow supporting plate 2 to move backwards until the elbow supporting plate 2 is positioned at the bottom of the table top plate 1 (as shown in fig. 2). The power-on time length of the motor 9 is set by a program to be consistent with the time for pulling the elbow supporting plate 2 into the bottom of the desktop plate 1, and the motor 9 stops working after the elbow supporting plate 2 is pulled into the bottom of the desktop plate 1; meanwhile, the working power supply of the direct current electromagnetic valve 4 is also closed.
When the elbow supporting plate 2 is pushed out to the front side of the desktop plate 1, the power switch is turned on, and the control panel and the motor 9 are driven to obtain power. Clicking a 'stretch' key on an operation panel, conducting a relay by a high level signal through a driving control panel, enabling a motor 9 to firstly obtain electricity to work, driving a rotating shaft 8 to rotate reversely, further driving a second connecting rod 11 to rotate reversely by taking the assembly end of the second connecting rod 11 and the rotating shaft 8 as an original point, further driving a first connecting rod 10 to act to push a toggle supporting plate 2 to move forwards to a set position, and stopping the motor 9. When the motor 9 stops working, the direct current solenoid valve 4 obtains reverse current, the valve rod retracts under the action of magnetic force, the M-shaped ejector rod 3 moves upwards, and then the elbow supporting plate 2 is pushed to move vertically upwards (the movement amount is consistent with the thickness of the elbow supporting plate 2) until the elbow supporting plate 2 is flush with the desktop plate 1 (as shown in figure 1).
The automatic folding and storage of the desk plate of the learning desk is realized, the occupied space of the learning desk when the learning desk is not used is reduced, and the reasonable utilization of the space is facilitated; moreover, the electric control of the keys is adopted, so that the safety of the young children in independent operation is ensured.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures made by using the contents of the specification and the drawings of the present invention can be directly or indirectly applied to other related technical fields, and are within the scope of the present invention.
Claims (10)
1. A transformable table, comprising: comprises a table top plate (1), an elbow supporting plate (2) which can freely extend out of the front side of the table top plate (1) and can be folded to the bottom of the table top plate (1), a top plate mechanism for driving the elbow supporting plate (2) to lift and an electric telescopic mechanism for driving the elbow supporting plate (2) to move back and forth.
2. A transformable table as claimed in claim 1 wherein: the control system controls the top plate mechanism and the electric telescopic mechanism to act, and comprises a driving control plate, an operation panel and a power switch; the driving control panel comprises a chip, a power input end, a relay output end and a signal input end; the chip at least comprises a motor driving pin, a time timing pin and a stopping pin; the signal input end is connected with a power switch wiring harness; the operation panel is provided with an extension key and a contraction key.
3. A transformable table as claimed in claim 1 wherein: the top plate mechanism comprises an M-shaped ejector rod (3), a direct current solenoid valve (4) for driving the M-shaped ejector rod (3) to lift and a lifting column (6) fixedly assembled on the elbow supporting plate (2) through a Z-shaped angle bracket (5); two support arms of the M-shaped ejector rod (3) are respectively provided with a long-strip-shaped stroke hole (7) matched with the lifting column (6); the valve seat of the direct current electromagnetic valve (4) is fixedly assembled on the desktop plate (1), and the valve rod is fixedly assembled on the M-shaped ejector rod (3).
4. A transformable table as claimed in claim 1 wherein: the electric telescopic mechanism comprises two groups of connecting rod assemblies which are symmetrically arranged, a rotating shaft (8) which drives the two groups of connecting rod assemblies to move and a motor (9) which drives the rotating shaft (8) to rotate; the connecting rod assembly comprises a first connecting rod (10) and a second connecting rod (11), the front end of the first connecting rod (10) is fixedly assembled on the elbow supporting plate (2), one end of the second connecting rod (11) is hinged with the tail end of the first connecting rod (10), and the other end of the second connecting rod (11) is fixedly assembled with the rotating shaft (8); the outer side of the first connecting rod (10) is provided with a guide stroke hole (13) matched with a guide column (12) fixedly assembled on the table top plate (1).
5. A transformable table as claimed in claim 4 wherein: the two ends of the electric telescopic mechanism are symmetrically provided with tension springs (14), the tension springs (14) are arranged on the inner side of the connecting rod assembly, one end of each tension spring is assembled on a first corner connector (15) used for fixing the first connecting rod (10) on the elbow supporting plate (2), and the other end of each tension spring is assembled on the table top plate (1) through a second corner connector (16).
6. A transformable table as claimed in claim 1 wherein: the shape of the elbow supporting plate (2) comprises but is not limited to a rectangle, a trapezoid, a semicircle, an arc, a concave circle and a concave arc.
7. A learning desk applying a deformable table plate comprises a table plate and table legs (17) for supporting the table plate; the method is characterized in that: the table plate is a deformable table plate and comprises a table plate (1), a elbow supporting plate (2) which can freely extend out of the front side of the table plate (1) and can be folded to the bottom of the table plate (1), a top plate mechanism for driving the elbow supporting plate (2) to lift and an electric telescopic mechanism for driving the elbow supporting plate (2) to move back and forth.
8. Learning table applying deformable table according to claim 7, characterized in that: the control system controls the top plate mechanism and the electric telescopic mechanism to act, and comprises a driving control plate, an operation panel and a power switch; the driving control panel comprises a chip, a power input end, a relay output end and a signal input end; the chip at least comprises a motor driving pin, a time timing pin and a stopping pin; the signal input end is connected with a power switch wiring harness; the operation panel is provided with an extension key and a contraction key.
9. Learning table applying deformable table according to claim 7, characterized in that: the top plate mechanism comprises an M-shaped ejector rod (3), a direct current solenoid valve (4) for driving the M-shaped ejector rod (3) to lift and a lifting column (6) fixedly assembled on the elbow supporting plate (2) through a Z-shaped angle bracket (5); two support arms of the M-shaped ejector rod (3) are respectively provided with a long-strip-shaped stroke hole (7) matched with the lifting column (6); the valve seat of the direct current electromagnetic valve (4) is fixedly assembled on the desktop plate (1), and the valve rod is fixedly assembled on the M-shaped ejector rod (3).
10. Learning table applying deformable table according to claim 7, characterized in that: the electric telescopic mechanism comprises two groups of connecting rod assemblies which are symmetrically arranged, a rotating shaft (8) which drives the two groups of connecting rod assemblies to move and a motor (9) which drives the rotating shaft (8) to rotate; the connecting rod assembly comprises a first connecting rod (10) and a second connecting rod (11), the front end of the first connecting rod (10) is fixedly assembled on the elbow supporting plate (2), one end of the second connecting rod (11) is hinged with the tail end of the first connecting rod (10), and the other end of the second connecting rod (11) is fixedly assembled with the rotating shaft (8); a guide stroke hole (13) matched with a guide column (12) fixedly assembled on the desktop plate (1) is formed in the outer side of the first connecting rod (10); the two ends of the electric telescopic mechanism are symmetrically provided with tension springs (14), the tension springs (14) are arranged on the inner side of the connecting rod assembly, one end of each tension spring is assembled on a first corner connector (15) used for fixing the first connecting rod (10) on the elbow supporting plate (2), and the other end of each tension spring is assembled on the table top plate (1) through a second corner connector (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911058855.9A CN110623475A (en) | 2019-10-22 | 2019-10-22 | Deformable table plate and learning table applying same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911058855.9A CN110623475A (en) | 2019-10-22 | 2019-10-22 | Deformable table plate and learning table applying same |
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| CN110623475A true CN110623475A (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911058855.9A Pending CN110623475A (en) | 2019-10-22 | 2019-10-22 | Deformable table plate and learning table applying same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111297047A (en) * | 2020-03-23 | 2020-06-19 | 徐长元 | Portable multifunctional table |
| CN112603021A (en) * | 2020-12-17 | 2021-04-06 | 临澧县职业中专学校 | Angle adjusting mechanism of operation table and anti-slip device thereof |
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