CN105708143B - Lifting working table - Google Patents
Lifting working table Download PDFInfo
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- CN105708143B CN105708143B CN201610183861.7A CN201610183861A CN105708143B CN 105708143 B CN105708143 B CN 105708143B CN 201610183861 A CN201610183861 A CN 201610183861A CN 105708143 B CN105708143 B CN 105708143B
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- connecting rod
- hinged
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- upper platform
- bolt
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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
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
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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
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
- A47B21/02—Tables or desks for office equipment, e.g. typewriters, keyboards with vertical adjustable parts
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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
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
- A47B21/04—Tables or desks for office equipment, e.g. typewriters, keyboards characterised by means for holding or fastening typewriters or computer equipment
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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
- A47B9/00—Tables with tops of variable height
- A47B9/16—Tables with tops of variable height with means for, or adapted for, inclining the legs of the table for varying the height of the top, e.g. with adjustable cross legs
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Workshop Equipment, Work Benches, Supports, Or Storage Means (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention provides a lifting workbench, which comprises an upper platform and a lower platform, and is characterized in that: the lower platform is hinged to the hinge seat through a first parallel four-link assembly, the hinge seat is hinged to the upper platform through a second parallel four-link assembly, the first parallel four-link assembly and the second parallel four-link assembly are connected through a synchronizing device, and the first parallel four-link assembly and the second parallel four-link assembly rotate at the same time in the same angle. By adopting the structure, the upper platform and the lower platform are connected by utilizing the two parallel four-bar linkage structures, and the two parallel four-bar linkages synchronously rotate, namely rotate at the same angle, so that the horizontal position of the upper platform cannot be changed in the lifting process of the upper platform, and the use of a user is more convenient.
Description
The technical field is as follows:
the invention relates to the technical field of office furniture, in particular to a lifting workbench.
Background art:
the application number 201210358008.6 of the invention is China patent application, which discloses a lifting table, comprising an upper platform and a lower platform, wherein the upper platform and the lower platform are connected through a parallel four-bar linkage, and although the lifting workbench can realize the lifting of the upper platform, the horizontal position of the upper platform can be changed in the lifting process of the upper platform, so that the use by a user is inconvenient.
The invention content is as follows:
the invention solves the technical problem of overcoming the defects of the prior art and provides a lifting workbench with approximately unchanged horizontal position in the lifting process of an upper platform.
The technical scheme provided by the invention is as follows: the invention provides a lifting workbench, which comprises an upper platform and a lower platform, and is characterized in that: the lower platform is hinged to the hinge seat through a first parallel four-link assembly, the hinge seat is hinged to the upper platform through a second parallel four-link assembly, the first parallel four-link assembly and the second parallel four-link assembly are connected through a synchronizing device, and the first parallel four-link assembly and the second parallel four-link assembly rotate at the same time in the same angle.
By adopting the structure, the upper platform and the lower platform are connected by utilizing the two parallel four-bar linkage structures, and the two parallel four-bar linkages synchronously rotate, namely rotate at the same angle, so that the horizontal position of the upper platform cannot be changed in the lifting process of the upper platform, and the use of a user is more convenient.
The first parallel four-bar connecting rod component comprises a first connecting rod and a second connecting rod, the first end of the first connecting rod is hinged with the lower platform, the second end of the first connecting rod is hinged with the hinge seat, the hinge shaft of the second end of the first connecting rod hinged with the hinge seat is a first hinge shaft, the first end of the second connecting rod is hinged with the lower platform, the second end of the second connecting rod is hinged with the hinge seat, a hinge shaft at which the second end of the second connecting rod is hinged with the hinge seat is a second hinge shaft, the second parallel four-connecting-rod assembly comprises a third connecting rod and a fourth connecting rod, the first end of the third connecting rod is hinged with the upper platform, the second end of the third connecting rod is hinged with the hinge seat, the articulated shaft of second end and articulated seat articulated of third connecting rod is third articulated shaft, the first end and the upper platform of fourth connecting rod are articulated, and the second end is articulated with articulated seat, the second end and the articulated shaft of articulated seat articulated of fourth connecting rod are the fourth articulated shaft.
First articulated shaft, second articulated shaft, third articulated shaft and fourth articulated shaft are parallelogram and arrange on articulated seat.
The first hinge shaft is provided with a first gear which rotates synchronously with the first connecting rod, the third hinge shaft is provided with a second gear which rotates synchronously with the third connecting rod, the first gear is meshed with the second gear, and the transmission ratio of the first gear to the second gear is 1: 1. The gear is adopted as a synchronizing device, the operation is reliable, and the first parallel four-connecting-rod assembly and the second parallel four-connecting-rod assembly can be ensured to rotate synchronously.
It also has an elastic restoring device which provides an elastic force to make the upper platform rise.
A table is also arranged on the upper platform. The table can be used for placing articles
The upper platform is also provided with a keyboard tray which is connected with the table and moves synchronously with the table. The keyboard support is used for placing a keyboard.
And a space for accommodating the first parallel four-bar linkage assembly is arranged in the middle of the second parallel four-bar linkage assembly, and when the upper platform descends to the lowest position, the first parallel four-bar linkage assembly is embedded into the space. By adopting the structure, when the upper platform is lowered to the lowest position, the first parallel four-bar linkage assembly is embedded in the middle of the second parallel four-bar linkage assembly, so that the thickness of the upper platform and the lower platform after being combined together can be reduced as much as possible.
The lifting workbench further comprises a locking mechanism used for locking the first parallel four-link assembly or the second parallel four-link assembly, so that the upper platform is locked at different heights corresponding to the lower platform.
The upper platform is also provided with an operation wrench and a first inhaul cable connected with the operation wrench, one end of the first inhaul cable is connected to the operation wrench, the other end of the first inhaul cable is connected with a bolt device arranged on the third connecting rod or the fourth connecting rod, a side plate is fixed on the upper platform, the side plate rotates relative to the third connecting rod and the fourth connecting rod when the upper platform is lifted, the bolt device comprises a bolt seat fixed on the third connecting rod or the fourth connecting rod, a bolt arranged in the bolt seat and a drag hook connected with the bolt, the drag hook is connected with the other end of the first inhaul cable, when the operation wrench is pulled, the first inhaul cable drives the drag hook and drives the bolt connected with the drag hook to move on the bolt seat, two sliding grooves are arranged on the drag hook, the two bolts are connected in the sliding grooves, and an elastic device for enabling the bolt to be far away from the bolt, the first end of every bolt is connected in the spout to can slide in the spout, be equipped with two rows of a plurality of and bolt matched with jack of arranging along the arc on the curb plate, every jack corresponds the not co-altitude that the upper mounting plate was in, and the second end of every bolt cooperates with the jack, and when pulling operation spanner, the bolt breaks away from the jack, when loosening operation spanner, two bolts have at least one to insert in certain jack. Adopt above-mentioned structure, when the upper mounting plate goes up and down to a certain height, loosen the operation spanner, the bolt will be inserted and fix a position in certain jack, adopt two rows of jacks in this application, can stagger two rows of jacks like this and arrange, just so can set up double gear, when one of them of two bolts with the position of certain jack is relative, another is offset by the curb plate in two bolts, slides in the spout, can't insert the jack, and another bolt then can insert in the jack.
The side plate is further connected with a housing, and an arc-shaped groove for the first inhaul cable to penetrate through is formed in the housing.
The side plates are respectively arranged on two sides of the second parallel four-bar connecting rod assembly, the two side plates move synchronously with the upper platform, two rows of jacks are arranged on each side plate, the two bolt devices are respectively matched with the two side plates, and the two operation wrenches are respectively connected with the two bolt devices one by one through first inhaul cables and used for controlling bolt actions on the bolt devices. By adopting the structure, the left side and the right side of the upper platform can be more stable when the upper platform is controlled to lift.
The lower platform is provided with a hanging hole, the upper platform is also provided with a movable hook which is used for hanging or separating from the hanging hole, and when the upper platform descends to a position where the movable hook can be connected with the hanging hole, the movable hook is hung in the hanging hole or separated from the hanging hole through an operation structure. By adopting the structure, when the upper platform descends to the lowest position, the upper platform can be locked at the position by matching the hook with the hanging buckle, so that the upper platform is prevented from bouncing.
The upper platform is provided with a hook seat, the hook is hinged in the hook seat through a hinged shaft and can rotate, the operating structure is a second inhaul cable, one end of the second inhaul cable is connected with the hinged shaft and can drive the hinged shaft to rotate, the other end of the second inhaul cable is connected with a hook wrench, and the hook wrench drives the second inhaul cable to act when pulled, so that the movable hook is driven to rotate, and the movable hook is separated from the hanging hole.
Description of the drawings:
FIG. 1 is a schematic structural diagram of one embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another perspective of one embodiment;
FIG. 3 is a schematic structural diagram of a product after two four-bar linkage assemblies of one embodiment are added with a cover;
FIG. 4 is a schematic structural diagram of a second embodiment;
FIG. 5 is a schematic structural diagram of another perspective view of the second embodiment;
FIG. 6 is a schematic structural view of a second embodiment with the cover removed;
FIG. 7 is a schematic structural view of a plug portion;
FIG. 8 is a schematic view of the third embodiment of the present invention showing the upper platform lowered to the lowest position;
fig. 9 is a schematic structural diagram of the third embodiment in which the upper platform is lifted to a certain position.
As shown in the figure: 1. the upper platform, 1.1, the table platform, 1.2, the keyboard holds in the palm, 2, lower platform, 2.1, the hanging hole, 3 first parallel four link assembly, 3.1, first connecting rod, 3.2, the second connecting rod, 4, the parallel four link assembly of second, 4.1, the third connecting rod, 4.2, the fourth connecting rod, 5, articulated seat, 6, first cable, 7, operation spanner, 8, the second gear, 9, the first gear, 10, the housing, 11, the arc wall, 12, the locating pin, 13, the curb plate, 13.1, the jack, 14, the bolt, 15, the drag hook, 16, the bolt seat, 17, the activity couple, 18, the couple seat, 19, the second cable, 20, the arm of force, 21, the articulated shaft.
Detailed Description
The invention is described in detail below with reference to the following figures and specific embodiments:
as shown in fig. 1-3: is one of the embodiments: the invention provides a lifting workbench which comprises an upper platform 1, a lower platform 2 and a hinge base 5, wherein the lower platform 2 is hinged with the hinge base 5 through a first parallel four-connecting-rod assembly 3, the hinge base 5 is hinged with the upper platform 1 through a second parallel four-connecting-rod assembly 4, the first parallel four-connecting-rod assembly 3 is connected with the second parallel four-connecting-rod assembly 4 through a synchronizing device, and the first parallel four-connecting-rod assembly 3 and the second parallel four-connecting-rod assembly 4 rotate at the same time by the same angle. The synchronous rotation means that the rotation angle of the first parallel four-bar linkage assembly is the same as the rotation angle of the second parallel four-bar linkage assembly at the same time of rotation.
The first parallel four-bar linkage assembly 3 comprises a first connecting bar 3.1 and a second connecting bar 3.2, the first end of the first connecting bar 3.1 is hinged with the lower platform 2, the second end is hinged with the hinge seat 5, the hinge shaft of the second end of the first connecting bar 3.1 hinged with the hinge seat 5 is a first hinge shaft, the first end of the second connecting rod 3.2 is hinged with the lower platform 2, the second end is hinged with the hinge seat 5, the hinge shaft of the second end of the second connecting rod 3.2 hinged with the hinge seat 5 is a second hinge shaft, the second parallel four-bar linkage assembly comprises a third connecting bar 4.1 and a fourth connecting bar 4.2, the first end of the third connecting bar 4.1 is hinged with the upper platform 1, the second end is hinged with the hinge base 5, a hinge shaft of the second end of the third connecting rod 4.1 and the hinge seat 5 is a third hinge shaft, the first end of the fourth connecting rod 4.2 is hinged with the upper platform 1, the second end is hinged with the hinged seat 5, and a hinge shaft of the second end of the fourth connecting rod 4.2, which is hinged with the hinge seat 5, is a fourth hinge shaft. First connecting rod, second connecting rod, third connecting rod and fourth connecting rod can be one, also can be many, if be many, then, these many connecting rods link together and simultaneous movement through same articulated shaft, in this embodiment, first connecting rod is one, and the second connecting rod is two, the articulated shaft at the both ends of two second connecting rods is the same, adopts the advantage of many second connecting rods to increase mechanical strength, can support heavier object, the third connecting rod is two, and the articulated shaft at the both ends of two third connecting rods is the same, the fourth connecting rod is two, and the articulated shaft at the both ends of two fourth connecting rods is the same.
First articulated shaft, second articulated shaft, third articulated shaft and fourth articulated shaft are parallelogram and arrange on articulated seat 5.
The first hinge shaft is provided with a first gear 9 which rotates synchronously with the first connecting rod 3.1, the third hinge shaft is provided with a second gear 8 which rotates synchronously with the third connecting rod 4.1, the first gear 9 is meshed with the second gear 8, and the transmission ratio of the first gear 9 to the second gear 8 is 1: 1. The gear is adopted as a synchronizing device, the operation is reliable, and the first parallel four-connecting-rod assembly and the second parallel four-connecting-rod assembly can be ensured to rotate synchronously. In this embodiment, two first gears 9 and two second gears 8 are provided, the two first gears 9 are respectively installed at two sides of the first hinge shaft of the first connecting rod, the two second gears are respectively installed at two sides of the third hinge shaft, the first gears 9 and the second gears 8 are meshed, and the transmission ratio of the first gears 9 to the second gears 8 is 1:1, so that the rotating angle of the first connecting rod and the rotating angle of the third connecting rod can be ensured to be the same at every moment. Of course other synchronizing means may be used, such as chains, pulleys, etc., but the construction with gears is relatively simple and reliable.
It also has an elastic restoring device which provides an elastic force to make the upper platform rise. In this embodiment the elastic restoring device adopts a gas spring, and may also adopt a spring or a tension spring, a gas spring is further arranged between the first connecting rod 3.1 and the second connecting rod 3.2, the first end of the gas spring is hinged with the first connecting rod 3.1, and the second end is hinged with the second connecting rod 3.2 or hinged with the base. The gas spring can provide an upward elastic force for the upper platform. This upward spring force can overcome the weight of the upper platform and the items placed on the upper platform so that the user does not have much effort to pull the upper platform upward.
A table 1.1 is also arranged on the upper platform 1. The table can be used for placing articles
The upper platform 1 is also provided with a keyboard support 1.2 which is connected with the table 1.1 and moves synchronously with the table 1.1. The keyboard support is used for placing a keyboard.
A space for accommodating the first parallelogram link assembly 3 is provided in the middle of the second parallelogram link assembly 4, and when the upper platform is lowered to the lowest position, the first parallelogram link assembly 3 is fitted into the space. By adopting the structure, when the upper platform is lowered to the lowest position, the first parallel four-bar linkage assembly is embedded in the middle of the second parallel four-bar linkage assembly, so that the thickness of the upper platform and the lower platform after being combined together can be reduced as much as possible. In this embodiment, two third connecting rods 4.1 and two fourth connecting rods 4.2 are arranged in the second parallel four-bar connecting rod assembly 4, so that a certain space is reserved between the surfaces of the two third connecting rods which are close to each other and between the surfaces of the two fourth connecting rods which are close to each other. The width of the first connecting rod 3.1 and the distance between the outer side surfaces of the two second connecting rods 3.2 are smaller than the distance between the mutually close surfaces of the two third connecting rods and the distance between the mutually close surfaces of the two fourth connecting rods.
Fig. 4-7 illustrate a second embodiment: the invention provides a lifting workbench which comprises an upper platform 1, a lower platform 2 and a hinge base 5, wherein the lower platform 2 is hinged with the hinge base 5 through a first parallel four-connecting-rod assembly 3, the hinge base 5 is hinged with the upper platform 1 through a second parallel four-connecting-rod assembly 4, the first parallel four-connecting-rod assembly 3 is connected with the second parallel four-connecting-rod assembly 4 through a synchronizing device, and the first parallel four-connecting-rod assembly 3 and the second parallel four-connecting-rod assembly 4 rotate at the same time by the same angle. The synchronous rotation means that the rotation angle of the first parallel four-bar linkage assembly is the same as the rotation angle of the second parallel four-bar linkage assembly at the same time of rotation.
The lower platform of the lifting workbench in the second embodiment adopts a desktop type base, and is fixed on the desktop by being clamped on the desktop, and the structure is the prior art, so the detailed description is omitted. In the second embodiment, the middle and upper platform 1 is further provided with an operating wrench 7 and a first cable 6 connected with the operating wrench 7, one end of the first cable 6 is connected to the operating wrench 7, and the other end of the first cable is connected to a plug pin device arranged on the third connecting rod 4.1 or the fourth connecting rod 4.2.
A side plate 13 is fixed on the upper platform 1, the side plate 13 rotates relative to the third connecting rod 4.1 and the fourth connecting rod 4.2 when the upper platform 1 goes up and down, the bolt device comprises a bolt seat fixed on the third connecting rod or the fourth connecting rod, two bolts arranged in the bolt seat, and a draw hook connected with the bolts, the draw hook is connected with the other end of the first cable, when the operation wrench is pulled, the first cable drives the draw hook and drives the bolts connected with the draw hook to move on the bolt seat, the bolt seat plays a role of limiting the bolt, so that the motion of the bolts is stable, the two chutes are arranged on the draw hook, the two bolts are connected in the chutes, an elastic device for enabling the bolts to be far away from the bolt seat is arranged between each bolt and, the first end of each bolt 14 is connected in the sliding groove and can slide in the sliding groove, two rows of jacks 13.1 which are arranged along an arc and are matched with the bolts 14 are arranged on the side plate 13, each jack 13.1 corresponds to different heights of the upper platform 1, the second end of each bolt 14 is matched with the jack 13.1, when an operation wrench is pulled, the first inhaul cable drives the draw hook 15 to move, so that the bolts 14 on the draw hook are driven to be far away from the jacks 13.1, the bolts 14 are separated from the jacks 13.1, when the operation wrench is loosened, the draw hook drives the bolts 14 to be close to and penetrate into the jacks, because two bolts are arranged in each bolt device, in the embodiment, two rows of jacks are arranged on the side plate, in the embodiment, the two rows of jacks are staggered, that is, when the bolts are close to the side plate, one of the two bolts can be inserted into a certain jack, and the other bolt is abutted against the side plate, therefore, when one bolt abuts against the side plate, the bolt can slide in the sliding groove, and the other bolt cannot be blocked from entering one jack.
The side plate is further connected with a housing, and an arc-shaped groove for the first inhaul cable to penetrate through is formed in the housing.
The side plates are respectively arranged on two sides of the second parallel four-bar connecting rod assembly, the two side plates move synchronously with the upper platform, two rows of jacks are arranged on each side plate, the two bolt devices are respectively matched with the two side plates, and the two operation wrenches are respectively connected with the two bolt devices one by one through first inhaul cables and used for controlling bolt actions on the bolt devices. In this embodiment, two curb plates integrated into one piece to on the upper mounting plate through the screw connection, two curb plates cooperate in two bolt devices respectively, make the elevating platform when carrying out the screens in the jack that the bolt inserted in the curb plate, control stably.
Fig. 8 and 9 show a third embodiment, in which the lower platform is a desktop clamping device, the upper platform is provided with a desktop, the upper platform is not provided with a keyboard tray, the lower platform 2 is provided with a hanging hole 2.1, the upper platform 1 is further provided with a movable hook 17 for hanging on or separating from the hanging hole 2.1, and when the upper platform 1 descends to a position where the movable hook 17 can be connected with the hanging hole 2.1, the movable hook 17 enables the movable hook 17 to be hung in the hanging hole 2.1 or separated from the hanging hole 2.1 through an operation structure. By adopting the structure, when the upper platform descends to the lowest position, the upper platform can be locked at the position by matching the hook with the hanging buckle, so that the upper platform is prevented from bouncing.
The upper platform 1 is provided with a hook seat 18, the hook 17 is hinged in the hook seat 18 through a hinge shaft and can rotate, the operating structure is a second cable 19, one end of the second cable 19 is connected with the hinge shaft and can drive the hinge shaft to rotate, the other end of the second cable 19 is connected with a hook wrench, and the hook wrench drives the second cable to act when wrenched, so that the movable hook is driven to rotate, and the movable hook is separated from the hanging hole.
In the figure, for making the cable can drive the articulated shaft and rotate, and establish a power arm 20 in the one end of articulated shaft, the one end of cable is connected on the arm of force 20, and the cable drives the articulated shaft and rotates when drawing power arm 20 action, and the articulated shaft rotates and drives the activity couple 17 and rotate, in this embodiment, couple spanner adopts same spanner with the operation spanner, can drive activity couple and bolt action simultaneously when pulling the operation spanner like this, can save the spanner like this, and it is also more convenient to use moreover.
Claims (9)
1. The utility model provides a lifting workbench, it includes upper mounting plate, lower platform, its characterized in that: the lower platform is hinged with the hinge seat through a first parallel four-bar connecting rod assembly, the hinge seat is hinged with the upper platform through a second parallel four-bar connecting rod assembly, the first parallel four-bar connecting rod assembly and the second parallel four-bar connecting rod assembly are connected through a synchronizing device, the first parallel four-bar connecting rod assembly and the second parallel four-bar connecting rod assembly rotate at the same time in the same angle, and a table is further arranged on the upper platform;
the first parallel four-bar linkage assembly comprises a first connecting rod and a second connecting rod, the first end of the first connecting rod is hinged with the lower platform, the second end of the first connecting rod is hinged with the hinged seat, the hinged shaft of the second end of the first connecting rod and the hinged seat is a first hinged shaft, the first end of the second connecting rod is hinged with the lower platform, the second end of the second connecting rod is hinged with the hinged seat, the hinged shaft of the second end of the second connecting rod and the hinged seat is a second hinged shaft, the second parallel four-bar linkage assembly comprises a third connecting rod and a fourth connecting rod, the first end of the third connecting rod is hinged with the upper platform, the second end of the third connecting rod is hinged with the hinged seat, the hinged shaft of the second end of the third connecting rod and the hinged seat is a third hinged shaft, the first end of the fourth connecting rod is hinged with the upper platform, the second end of the fourth connecting rod is hinged with the hinged seat, and the hinged shaft of, the lifting workbench is also provided with an elastic restoring device which provides elastic force for lifting the upper platform;
the lifting workbench further comprises a locking mechanism used for locking the first parallel four-link assembly or the second parallel four-link assembly, so that the upper platform is locked at different heights corresponding to the lower platform.
2. The lift table of claim 1, wherein: first articulated shaft, second articulated shaft, third articulated shaft and fourth articulated shaft are parallelogram and arrange on articulated seat.
3. The lift table of claim 1, wherein: the first hinge shaft is provided with a first gear which rotates synchronously with the first connecting rod, the third hinge shaft is provided with a second gear which rotates synchronously with the third connecting rod, the first gear is meshed with the second gear, and the transmission ratio of the first gear to the second gear is 1: 1.
4. The lift table of claim 1, wherein: the upper platform is also provided with a keyboard tray which is connected with the table and moves synchronously with the table.
5. The lift table of claim 1, wherein: the upper platform is also provided with an operation wrench and a first inhaul cable connected with the operation wrench, one end of the first inhaul cable is connected to the operation wrench, the other end of the first inhaul cable is connected with a bolt device arranged on the third connecting rod or the fourth connecting rod, a side plate is fixed on the upper platform, the side plate rotates relative to the third connecting rod and the fourth connecting rod when the upper platform is lifted, the bolt device comprises a bolt seat fixed on the third connecting rod or the fourth connecting rod, two bolts arranged in the bolt seat and a drag hook connected with the bolts, the drag hook is connected with the other end of the first inhaul cable, when the operation wrench is pulled, the first inhaul cable drives the drag hook and drives the bolts connected with the drag hook to move on the bolt seat, the drag hook is provided with two chutes, the two bolts are connected in the chutes, and an elastic device for enabling the bolts to be far away from the bolt seat is arranged, the first end of every bolt is connected in the spout to can slide in the spout, be equipped with two rows of a plurality of and bolt matched with jack of arranging along the arc on the curb plate, every jack corresponds the not co-altitude that the upper mounting plate was in, and the second end of every bolt cooperates with the jack, and when pulling operation spanner, the bolt breaks away from the jack, when loosening operation spanner, two bolts have at least one to insert in certain jack.
6. The lift table of claim 5, wherein: the side plate is further connected with a housing, and an arc-shaped groove for the first inhaul cable to penetrate through is formed in the housing.
7. The lift table of claim 5, wherein: the side plates are respectively arranged on two sides of the second parallel four-bar connecting rod assembly, the two side plates move synchronously with the upper platform, two rows of jacks are arranged on each side plate, the two bolt devices are respectively matched with the two side plates, and the two operation wrenches are respectively connected with the two bolt devices one by one through first inhaul cables and used for controlling bolt actions on the bolt devices.
8. The lift table of claim 1, wherein: the lower platform is provided with a hanging hole, the upper platform is also provided with a movable hook which is used for hanging or separating from the hanging hole, and when the upper platform descends to a position where the movable hook can be connected with the hanging hole, the movable hook is hung in the hanging hole or separated from the hanging hole through an operation structure.
9. The lift table of claim 8, wherein: the upper platform is provided with a hook seat, the hook is hinged in the hook seat through a hinged shaft and can rotate, the operating structure is a second inhaul cable, one end of the second inhaul cable is connected with the hinged shaft and can drive the hinged shaft to rotate, the other end of the second inhaul cable is connected with a hook wrench, and the hook wrench drives the second inhaul cable to act when pulled, so that the movable hook is driven to rotate, and the movable hook is separated from the hanging hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610183861.7A CN105708143B (en) | 2016-03-28 | 2016-03-28 | Lifting working table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610183861.7A CN105708143B (en) | 2016-03-28 | 2016-03-28 | Lifting working table |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105708143A CN105708143A (en) | 2016-06-29 |
| CN105708143B true CN105708143B (en) | 2020-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610183861.7A Active CN105708143B (en) | 2016-03-28 | 2016-03-28 | Lifting working table |
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| CN (1) | CN105708143B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106584379A (en) * | 2016-12-20 | 2017-04-26 | 重庆中奥离合器制造有限公司 | Clutch flywheel fixing structure |
| CN207355816U (en) * | 2017-03-21 | 2018-05-15 | 深圳市鑫宝临五金有限公司 | Hoisting mechanism |
| CN107549998A (en) * | 2017-09-28 | 2018-01-09 | 乐歌人体工学科技股份有限公司 | Desktop self-powered platform |
| DE102018126098A1 (en) * | 2018-10-19 | 2020-04-23 | Kesseböhmer Produktions GmbH & Co. KG | Height adjustable table |
| CN110495709B (en) * | 2019-08-02 | 2022-04-26 | 珠海市润星泰电器有限公司 | Stepless adjustable telescopic device and use method thereof |
| CN115813131B (en) * | 2022-12-16 | 2023-09-15 | 广东卡诺亚家居股份有限公司 | Bedside table |
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|---|---|
| CN105708143A (en) | 2016-06-29 |
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Address after: 315145, No. 558, South Road, Yinzhou Economic Development Zone, Zhejiang, Ningbo, Yinzhou District Applicant after: Lege Ergonomics Technology Co., Ltd. Address before: 315191, No. 9, high voltage Road, Jiangshan hi tech park, Ningbo, Zhejiang, Yinzhou District Applicant before: NingBo Loctek Visual Technology Co., Ltd. |
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