CN215913639U - Lifting table and lifting control mechanism thereof - Google Patents
Lifting table and lifting control mechanism thereof Download PDFInfo
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- CN215913639U CN215913639U CN202021758423.7U CN202021758423U CN215913639U CN 215913639 U CN215913639 U CN 215913639U CN 202021758423 U CN202021758423 U CN 202021758423U CN 215913639 U CN215913639 U CN 215913639U
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Abstract
The utility model relates to a lifting table and a lifting control mechanism thereof, belonging to the technical field of furniture. The lifting table comprises a bracket and a movable table panel which is arranged on the bracket in a height-adjustable way through a lifting control mechanism; the lifting control mechanism comprises a first rocker, a second rocker, an L-shaped connecting rod and a wire control telescopic device, wherein the fixed end of the first rocker is hinged to the bracket; the L-shaped connecting rod comprises a connecting rod part hinged with the swinging ends of the two rocking rods and a transverse fixedly connected rod part which is bent and extended from the upper end part of the connecting rod part to the front side of the lifting table; the connecting rod part, the first rocker, the second rocker and the bracket form an equal-arm double-rocker mechanism taking the bracket as a frame; more than two equal-arm double-rocker mechanisms are arranged side by side, and the movable table panels are arranged on the transverse fixedly connected rods of the two equal-arm double-rocker mechanisms. This lift table can improve holistic structural support intensity under the prerequisite that reduces elevating system and interfere using, but wide application in house field.
Description
Technical Field
The utility model relates to the technical field of furniture, in particular to a lifting table and a lifting control mechanism thereof.
Background
As a main device for home learning, a learning table generally includes a support, a table top mounted on the support, a cabinet located below the table top, and a bookshelf disposed on the table top, for example, a learning table disclosed in patent document CN205267398U, in which the table top is horizontally disposed based on the support of the support.
In the learning table, because the height of the table top board is kept unchanged, the learning table is difficult to adapt to objects with different heights, and in order to solve the technical problem, the height of the table top board of the learning table is usually adjustable, and the learning table specifically comprises a table top board driven to lift relative to a support based on an electric lifting mechanism; the study desk structure comprises a control wrench arranged at the edge part of the lower plate surface of the desk plate and a wire control mechanism arranged on the gas spring, wherein when the control wrench pulls the wire control mechanism through a brake wire, a valve on a piston in the gas spring can be opened so as to adjust the position of a telescopic rod of the gas spring relative to a sleeve, and after the pulling of the wire control mechanism is released, the valve on the piston can be closed so that the telescopic rod can be kept at a preset position relative to the sleeve. The wire-controlled gas spring can also be constructed by a wire-controlled telescopic device with a rod-shaped wire-controlled oil spring and the like.
In addition, the lifting driving mechanism can be constructed by adopting the four connecting rods to be matched with the lifting gas spring, so that an electric driving mechanism is not needed; however, to provide sufficient support strength, the linkage is often caused to approach the front of the table and cause more interference with human use.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a lifting table with an improved structure, which can improve the supporting strength of the lifting table based on the improvement of a lifting mechanism and reduce the use interference of a user;
another object of the present invention is to provide a lifting control mechanism that can be used to construct the above-described lifting table.
In order to achieve the main object, the lifting table provided by the utility model comprises a bracket and a movable table panel which is arranged on the bracket in a height-adjustable manner through a lifting control mechanism, wherein the lifting control mechanism comprises an equal-arm double-rocker mechanism and a rod-shaped first linear control expansion device; the first linear control telescopic device is used for providing support for the current swing position of the equal-arm double-rocker mechanism in a state that the telescopic action of the first linear control telescopic device is locked; the lifting control mechanism comprises a first rocker with a fixed end hinged on the support, a second rocker with a fixed end hinged on the support and an L-shaped connecting rod; the L-shaped connecting rod comprises a vertical connecting rod part hinged with the swinging ends of the two rocking rods and a transverse fixedly connected rod part which is bent and extended from the upper end part of the vertical connecting rod part to the front side of the lifting table; the vertical connecting rod part, the first rocker, the second rocker and the bracket form an equal-arm double-rocker mechanism taking the bracket as a rack; in the lifting control mechanism, more than two equal-arm double-rocker mechanisms are arranged side by side; the movable table panel is arranged on the transverse fixedly connected rod part; the fixed end of the first linear control telescopic device is hinged with the bracket, and the swinging end of the first linear control telescopic device is hinged with the transverse fixedly-connected rod part; in the projection in the plane of the four-bar mechanism to which the equal-arm double-rocker mechanism belongs, the first linear control telescopic device, the vertical connecting rod part and the projection of the transverse fixed connecting rod part are intersected to form a triangular structure; the lifting control switch is installed at the edge part of the lower plate surface of the movable table top plate and is connected with a first linear control unlocking mechanism arranged on the first linear control telescopic device through a connecting brake cable so as to unlock the locking state of the telescopic action of the first linear control telescopic device.
In the technical scheme, the connecting rod of the equal-ratio double-rocker mechanism is fixedly connected with the connecting rod for installing the desktop plate and is arranged into the L-shaped component, the folding angle part of the component is positioned above and far away from one side of the desktop plate, namely far away from the front side of the desktop, so that the interference to a user in the using process can be effectively reduced, the connecting position of the wire-controlled telescopic device is improved, the wire-controlled telescopic device can serve as a support for transversely fixedly connecting the rod part when the locking mechanism is not unlocked, the supporting force of the whole structure is effectively improved, the structural force compensation can be provided for the L-shaped component forming the cantilever type support, and the supporting force of the desktop plate is effectively ensured. The lifting control switch is arranged at the edge part of the lower board surface of the movable desk board, so that the lifting control switch not only can be hidden from an upper side view angle, but also can be conveniently operated by one hand.
The specific scheme is that a first linear control unlocking mechanism is installed on the swinging end of a first linear control telescopic device. The technical scheme can facilitate the arrangement of the brake cable, and the brake cable is not required to be in consideration of the lifting state and the height because the control switch is arranged at the edge of the lower board surface of the movable desktop board.
The specific scheme is that a mounting seat part used for being connected with a rocker is mounted on a support, and the fixed end parts of a first rocker and a second rocker are hinged to the mounting seat part. This technical scheme can be convenient for in the assembling process, installs lifting control mechanism.
The specific scheme is that the length direction of the vertical connecting rod part is arranged along the vertical direction, and the length direction of the transverse fixedly connected rod part is arranged along the horizontal direction.
In the preferred scheme, in more than two equal-arm double-rocker mechanisms, one inner transverse connecting rod which is transversely arranged is fixedly connected with the vertical connecting rod parts of the inner transverse connecting rods, and one outer transverse connecting rod which is transversely arranged is fixedly connected with the outer end parts of the transversely fixedly connected rod parts of the outer transverse connecting rods. This technical scheme can further improve lift control mechanism's structural strength.
More preferably, the outer end of the movable table top is hinged with the outer transverse connecting rod and can turn over around the outer transverse connecting rod; the lifting table comprises a second linear control telescopic device which is used for controlling the turning angle of the movable table panel around the outer transverse connecting rod; the second linear control telescopic device is of a rod-shaped structure, the fixed end of the second linear control telescopic device is hinged with the inner transverse connecting rod, and the swinging end of the second linear control telescopic device is hinged with the bottom surface of the movable table top plate; in the vertical direction, the swinging end of the second linear control telescopic device is always higher than the fixed end of the second linear control telescopic device; the edge part of the lower plate surface of the movable table top plate is provided with a turnover control switch which is connected with a wire-controlled unlocking mechanism arranged on the second wire-controlled telescopic device through a connecting brake wire so as to unlock the locking state of the telescopic action of the second wire-controlled telescopic device; the lifting control switch is arranged at the edge of the front side of the movable table panel, and the turnover control switch is arranged at the edge of the rear side of the movable table panel. This technical scheme provides the regulatory function of desktop inclination when providing raising and lowering functions.
The further proposal is that a fixed desktop plate is fixedly connected with a bracket; the fixed desktop plate is of an L-shaped plate structure, and the movable desktop plate and the L-shaped plate structure are spliced into a rectangular plate structure; and hand penetrating holes for fingers to penetrate through to trigger the turnover control switch are arranged between the movable desktop board and the fixed desktop board and beside the turnover control switch.
The further scheme is that a second linear control unlocking mechanism is arranged on the swinging end of the second linear control telescopic device.
The further scheme is that the second linear control expansion device is a linear control gas spring, a linear control oil spring or a linear control oil-gas spring.
The further scheme is that the first linear control expansion device is a linear control gas spring, a linear control oil spring or a linear control oil-gas spring.
In order to achieve the other purpose, the lifting control mechanism provided by the utility model comprises a link mechanism and a wire control telescopic device, wherein the link mechanism is an equal-arm double-rocker mechanism; the wire control telescopic device is of a rod body structure and is used for providing support for the current swinging position of the equal-arm double-rocker mechanism in a state that the telescopic action of the wire control telescopic device is locked; the connecting rod mechanism comprises a fixed connecting support, a fixed end, a second rocker and an L-shaped connecting rod, wherein the fixed end is hinged to a first rocker on the fixed connecting support, and the fixed end is hinged to a second rocker on the fixed connecting support; the L-shaped connecting rod comprises a vertical connecting rod part hinged with the swinging ends of the two rocking rods and a transverse connecting rod part which is bent and extended from the upper end part of the vertical connecting rod part to the direction far away from the fixed connecting support; the vertical connecting rod part, the first rocker, the second rocker and the fixed connecting support form an equal-arm double-rocker mechanism taking the fixed connecting support as a rack; the fixed end of the wire control telescopic device is hinged with the fixed connecting support, the swinging end of the wire control telescopic device is hinged with the transverse connecting rod part, and in the projection in the plane of the four-bar mechanism to which the equal-arm double-rocker mechanism belongs, the projections of the wire control telescopic device, the connecting rod part and the transverse connecting rod part are intersected to form a triangular structure; the wire-controlled expansion device is provided with a wire-controlled unlocking mechanism which is used for unlocking the locking state of the expansion action of the wire-controlled expansion device when triggered by the push-pull of the outer connecting mechanism.
The specific scheme is that the line control unlocking mechanism is arranged on the swinging end of the line control telescopic device.
The preferable proposal is that the lifting control mechanism comprises more than two equal-arm double-rocker mechanisms which are arranged side by side; in more than two equal-arm double-rocker mechanisms, one inner transverse connecting rod arranged along the transverse direction is fixedly connected with the vertical connecting rod parts of the inner transverse connecting rods, and one outer transverse connecting rod arranged along the transverse direction is fixedly connected with the outer end parts of the transverse connecting rod parts of the outer transverse connecting rods.
The preferred scheme is that the wire control expansion device is a wire control gas spring, a wire control oil spring or a wire control oil gas spring.
Drawings
Fig. 1 is a perspective view of a lifting table in embodiment 1 of the present invention;
FIG. 2 is a perspective view of a steel bracket and a hanging cabinet in embodiment 1 of the utility model;
fig. 3 is a perspective view of a wall cabinet in embodiment 1 of the present invention;
fig. 4 is a perspective view of the elevation control mechanism in embodiment 1 of the present invention;
FIG. 5 is a side view of the elevating control mechanism lowered to the lower position according to embodiment 1 of the present invention;
fig. 6 is a side view of the elevation control mechanism elevated to the high position according to embodiment 1 of the present invention;
fig. 7 is a perspective view of the lift control mechanism of embodiment 1 of the present invention when it is raised to the high position;
FIG. 8 is a perspective view of a lift table in an embodiment of the present invention;
fig. 9 is a perspective view of the elevation control mechanism and the turning control mechanism in embodiment 2 of the present invention;
figure 10 is a perspective view of the table top of the exemplary embodiment 2 of the present invention in an inclined position;
figure 11 is a perspective view of the table top of example 2 of the present invention shown in an inclined position and separated from the perspective view shown in figure 10;
FIG. 12 is a bottom view of the lift table of the present invention 2 without the side support legs;
FIG. 13 is an enlarged view of a portion A of FIG. 12;
fig. 14 is a partially enlarged view B of fig. 12.
Detailed Description
The utility model is further illustrated by the following examples and figures.
Example 1
Referring to fig. 1 to 8, the lifting table 1 of the present invention includes a steel frame 2, a fixed table top 11, a fixed table top 12, a lifting table top 13, a wall cabinet 3, and two pairs of L-shaped side frame legs 4 for supporting the steel frame 2. The steel support 2 includes a main support 20 for mounting the fixed table top 11, the fixed table top 12 and the hanging cabinet 3, and a lifting control mechanism 5 mounted on the main support 20 for controlling the lifting of the lifting table top 13. The lifting control mechanism 5 comprises a lifting gas spring 50 and an equal-arm double-rocker mechanism 6, the main support 20 is an L-shaped structure formed by welding a steel frame structure 21 and a steel frame structure 22, and a fixed desktop plate 12 is arranged above the steel frame structure 22; the hanging cabinet 3 is fixedly arranged at the lower side of the steel frame structure 21, and the fixed desktop plate 11 is fixedly arranged at the upper side of the steel frame structure; the fixed table top plate 11 and the fixed table top plate 12 are assembled into an L-shaped plate body assembly, and when the height of the lifting table top plate 13 is adjusted to be equal to the height of the fixed table top plate 12, the lifting table top plate and the L-shaped plate body assembly are assembled into a rectangular plate assembly structure.
As shown in fig. 3, the wall cabinet 3 includes a mounting frame 30 and a drawer 31 drawably mounted on the mounting frame.
The equal-arm double-rocker mechanism 6 comprises a mounting seat 60 which is fixed on the steel frame structure 22 through screws and is vertically arranged, a fixed end is hinged to a first rocker 61 on the mounting seat 60, the fixed end is hinged to a second rocker 62 on the mounting seat 60, and an L-shaped connecting rod 63. The mounting base 60 constitutes a frame of the equal-arm double-rocker mechanism 6 and also constitutes a fixed connection bracket in the present embodiment. The L-shaped connecting rod 63 includes a vertical connecting rod 630 hinged to the swing ends of the two rockers, and a horizontal connecting rod 631 extending from the upper end of the vertical connecting rod 630 toward the front side of the lifting table 1, the horizontal connecting rod 631 being used for mounting the lifting table top 13; the front side of the lifting table is configured to be adjacent to one side of a user, the opposite side is a rear side, and the mounting seat 60 is of a steel body structure. In the present embodiment, the lifting control mechanism 5 comprises more than two equal-arm double-rocker mechanisms 6 arranged side by side, in the present embodiment two, and a transverse connecting rod 51 is welded to the front end portions of two transverse fixedly-connected rod portions 631, and a transverse connecting rod 52 is welded between two vertical connecting rod portions 630. The lifting table panel is arranged on two transverse fixedly connected rod parts 631 and the transverse connecting rod 64; the fixed end of the lifting gas spring 50 is hinged with the mounting seat 60, the swinging end is hinged with the transverse fixedly-connected rod part 631, and in the projection in the plane of the four-bar mechanism to which the equal-arm double-rocker mechanism 6 belongs, the projections of the lifting gas spring 50, the vertical connecting rod part 630 and the transverse fixedly-connected rod part 631 intersect to form a triangular structure 500; the plane of the four-bar linkage is the paper plane as shown in fig. 5 and 6, i.e. the plane perpendicular to the axial direction of the rocker hinge shaft of the four-bar linkage, which also means that the normal plane of the four-bar linkage is parallel to the axial direction of the hinge shaft. In the present embodiment, the rocking lever is indirectly hinged to the main stand 20 through the mount 60, or may be directly hinged to the main stand 20 omitting the mount 60. The lifting gas spring 50 is a rod-shaped telescopic structure, specifically a wire-controlled gas spring, and the operation of a wire-controlled unlocking mechanism 508 arranged at the swing end of the lifting gas spring 50 is controlled through a lifting control wrench 91 arranged at the edge part of the lower plate surface of the lifting table panel 13 and through a brake wire 92, so as to control the pulling state of a telescopic rod 507 of the lifting gas spring relative to a sleeve 506, that is, the locking state of the telescopic operation of the lifting gas spring 50 is unlocked; referring to the structure shown in fig. 12 and 13, the lifting control wrench 91 is disposed at the front edge of the lifting table top 13 to form a lifting control switch in the present embodiment. Wherein, the lifting table top plate 13 forms the movable table top plate in the embodiment, and the steel bracket 2 forms the bracket in the embodiment; the mount 60 constitutes a fixing bracket in this embodiment for integrally mounting the entire elevation control mechanism 5 to a target object such as the steel bracket 2.
The L-shaped side bracket leg 4 comprises a transverse supporting leg 40 supported on the ground and a vertical rod body 41 used for connecting the transverse supporting leg 40 and the steel bracket 2; the two L-shaped side frame legs 4 are an assembly member detachably attached to both sides of the steel frame 2 by fasteners such as bolts to support other components. In addition, a desktop bookshelf may be arranged on the fixed desktop plate 22 of the lifting table.
In the using process, the lifting control wrench 91 is controlled to pull or release the brake cable 92 to control the wire-controlled unlocking mechanism 508, so that the position of the telescopic rod 507 relative to the sleeve 506 can be pulled, the extension length of the telescopic rod can be randomly adjusted at the moment, the lifting table panel 13 can be pulled to drive the swing angles of the two rocking bars to adjust the height of the lifting table panel 13, and when the lifting table panel is adjusted to the target height, the pressing pressure on the lifting control wrench 91 is released, at the moment, the position of the telescopic rod 507 of the lifting gas spring 50 relative to the sleeve 506 is difficult to pull, so that the support can be provided for the transversely fixedly connected rod part 631 based on the triangular structure 500, so that the stable support can be effectively provided for the lifting table panel 13, namely, the wire-controlled gas spring 50 is used for providing the support for the current swing position of the equal-armed double-rocking bar mechanism 6 in the state that the telescopic action of the wire-controlled gas spring 50 is locked, and based on the projection in the plane of the four-bar mechanism to which the equal-armed double-rocking bar mechanism 6 belongs, the projections of the lifting gas spring 50, the vertical connecting rod 630 and the horizontal connecting rod 631 intersect to form a triangular structure 500, so as to provide triangular support for the horizontal connecting rod 631, thereby effectively improving the supporting strength of the horizontal connecting rod 631 of the cantilever structure, and better supporting the lifting table top 13.
In this embodiment, the link portion 630 is disposed vertically, and the lateral connecting link portion 631 is disposed horizontally, so as to ensure that the lifting table top 13 adjusted to be horizontally disposed is maintained to be horizontally disposed during the lifting process based on the equal-arm double-rocker mechanism during the swinging process.
Example 2
As an explanation of embodiment 2 of the present invention, only the differences from embodiment 1 will be explained below.
Referring to fig. 9 to 14, the outer end of the movable table top 13 is hinged to the outer cross link 51 by a hinge mechanism 510 so as to be turnable around the outer cross link 51.
The lifting control mechanism 6 is provided with a turnover gas spring 71 for controlling the turnover angle of the movable table top plate 13 around the outer transverse connecting rod 51, the fixed end of the turnover gas spring 71 is hinged with the inner transverse connecting rod 51, the swinging end is hinged with the bottom surface of the movable table top plate 13, and the swinging end of the turnover gas spring 71 is always higher than the fixed end thereof in the vertical direction. In this embodiment, the turning gas spring 71 is a wire-controlled gas spring, a turning control wrench 93 is disposed at the inner edge of the movable table top 13, and the wire-controlled mechanism 710 disposed at the swinging end of the turning gas spring 71 is controlled to operate through a brake cable 94, so as to control the pulling state of the retractable rod 711 relative to the sleeve 712. Among them, the tumble control wrench 93 constitutes a tumble control switch in this embodiment.
In the embodiment, because the movable table top 13 and the fixed table top 12 may not touch the turnover control wrench 93 when they are at the same height, a hand through hole 130 for allowing a finger to pass through to trigger the turnover control wrench 93 is disposed between the movable table top 13 and the fixed table top 12 and beside the turnover control wrench 93.
Therefore, in the working process, the turning control wrench 93 is controlled to pull or release the brake cable 94 to control the wire-controlled unlocking mechanism 710, so that the position of the telescopic rod 711 relative to the sleeve 712 can be pulled, the extension length of the telescopic rod can be randomly adjusted at this time, the movable table top 13 can be driven to turn around the outer transverse connecting rod 51 to a target inclined angle position by turning the movable table top 13, the pressing of the turning control wrench 93 is released after the adjustment of the inclined angle is completed, at this time, the position of the telescopic rod 711 of the turning air spring 71 relative to the sleeve 712 is difficult to pull, and the movable table top 13 is maintained at the current inclined angle. That is, in the present embodiment, the movable table top 13 can not only adjust the height of the table top, but also adjust the tilt angle of the table top.
In the above embodiment, the lifting gas spring 50 constitutes a first wire-controlled expansion and contraction device in the embodiment, the wire-controlled unlocking mechanism 508 constitutes a first wire-controlled unlocking mechanism in the embodiment, the reverse gas spring 71 constitutes a second wire-controlled expansion and contraction device in the embodiment, and the wire-controlled unlocking mechanism 710 constitutes a second wire-controlled unlocking mechanism in the embodiment. In the above embodiment, the "telescopic by wire device" is configured as a telescopic assembly capable of locking the telescopic position of the telescopic rod, the locking state of the telescopic action can be unlocked based on the unlocking by wire mechanism, and the telescopic assembly is used for providing support for the equal-arm double-rocker mechanism swinging the current position to lock the current state when in the locking state, and can adjust the swinging position of the equal-arm double-rocker mechanism when in unlocking; besides the linear control gas spring, the linear control gas spring or the linear control oil-gas spring can be used for construction, and a telescopic rod structure with a return force provided by the spring can also be used for construction.
Claims (10)
1. A lifting table comprises a bracket and a movable table panel which is arranged on the bracket in a height-adjustable way through a lifting control mechanism, and is characterized in that the lifting control mechanism comprises an equal-arm double-rocker mechanism and a first linear control telescopic device in a rod shape; the first linear control telescopic device is used for providing support for the current swinging position of the equal-arm double-rocker mechanism in a state that the telescopic action of the first linear control telescopic device is locked;
the lifting control mechanism comprises a first rocker, a second rocker and an L-shaped connecting rod, wherein a fixed end of the first rocker is hinged to the support, and a fixed end of the second rocker is hinged to the second rocker; the L-shaped connecting rod comprises a vertical connecting rod part hinged with the swinging ends of the two rocking rods and a transverse fixedly connected rod part which is bent and extended from the upper end part of the vertical connecting rod part to the front side of the lifting table; the vertical connecting rod part, the first rocker, the second rocker and the bracket form the equal-arm double-rocker mechanism taking the bracket as a rack;
in the lifting control mechanism, more than two equal-arm double-rocker mechanisms are arranged side by side; the movable table panel is arranged on the transverse fixedly connected rod part; the fixed end of the first linear control telescopic device is hinged with the bracket, and the swinging end of the first linear control telescopic device is hinged with the transverse fixedly-connected rod part; in the projection in the plane of the four-bar mechanism to which the equal-arm double-rocker mechanism belongs, the projections of the first linear control telescopic device, the vertical connecting rod part and the transverse fixed connecting rod part are intersected to form a triangular structure;
and the lifting control switch is arranged at the edge part of the lower plate surface of the movable table top plate and is connected with a first linear control unlocking mechanism arranged on the first linear control telescopic device through a connecting brake cable so as to unlock the locking state of the telescopic action of the first linear control telescopic device.
2. The elevating table as set forth in claim 1, wherein:
and the first linear control unlocking mechanism is arranged on the swinging end of the first linear control telescopic device.
3. The elevating table as set forth in claim 1, wherein:
the bracket is provided with a mounting seat part used for being connected with a rocker, and the fixed end parts of the first rocker and the second rocker are hinged on the mounting seat part;
the length direction of the vertical connecting rod part is arranged along the vertical direction, and the length direction of the transverse fixedly connected rod part is arranged along the horizontal direction.
4. A lifting table as claimed in any one of claims 1 to 3, wherein:
in the more than two equal-arm double-rocker mechanisms, one inner transverse connecting rod which is arranged along the transverse direction is fixedly connected with the vertical connecting rod parts of the inner transverse connecting rods, and one outer transverse connecting rod which is arranged along the transverse direction is fixedly connected with the outer end parts of the transverse fixedly connected rod parts of the outer transverse connecting rods.
5. The elevating table as set forth in claim 4, wherein:
the outer end part of the movable table top board is hinged with the outer transverse connecting rod and can turn over around the outer transverse connecting rod; the lifting table comprises a second linear control telescopic device, and the second linear control telescopic device is used for controlling the turning angle of the movable table top plate around the outer transverse connecting rod; the second linear control telescopic device is of a rod-shaped structure, the fixed end of the second linear control telescopic device is hinged with the inner transverse connecting rod, and the swinging end of the second linear control telescopic device is hinged with the bottom surface of the movable table top plate; in the vertical direction, the swinging end of the second linear control telescopic device is always higher than the fixed end of the second linear control telescopic device; the edge part of the lower plate surface of the movable table top plate is provided with a turnover control switch which is connected with a second linear control unlocking mechanism arranged on the second linear control telescopic device through a connecting brake wire so as to unlock the locking state of the telescopic action of the second linear control telescopic device;
the lifting control switch is arranged at the edge of the front side of the movable table panel, and the overturning control switch is arranged at the edge of the rear side of the movable table panel.
6. The elevating table as set forth in claim 5, wherein:
the bracket is fixedly connected with a fixed desktop plate;
the fixed desktop plate is of an L-shaped plate structure, and the movable desktop plate and the L-shaped plate structure are spliced into a rectangular plate structure;
a hand penetrating hole for fingers to penetrate through to trigger the turnover control switch is arranged between the movable table top plate and the fixed table top plate and beside the turnover control switch;
the second linear control unlocking mechanism is arranged on the swinging end of the second linear control telescopic device;
the second linear control expansion device is a linear control gas spring, a linear control oil spring or a linear control oil-gas spring.
7. A lifting table as claimed in any one of claims 1 to 3, wherein:
the first linear control expansion device is a linear control gas spring, a linear control oil spring or a linear control oil-gas spring.
8. A lifting control mechanism comprises a link mechanism and a wire control telescopic device, and is characterized in that the link mechanism is an equal-arm double-rocker mechanism; the wire control telescopic device is of a rod body structure and is used for providing support for the current swinging position of the equal-arm double-rocker mechanism in a state that the telescopic action of the wire control telescopic device is locked;
the connecting rod mechanism comprises a fixed connecting support, a fixed end is hinged to a first rocker on the fixed connecting support, the fixed end is hinged to a second rocker on the fixed connecting support, and an L-shaped connecting rod; the L-shaped connecting rod comprises a vertical connecting rod part hinged with the swinging ends of the two rockers and a transverse connecting rod part which is bent and extended from the upper end part of the vertical connecting rod part to the direction far away from the fixed connecting support; the vertical connecting rod part, the first rocker, the second rocker and the fixed connecting support form the equal-arm double-rocker mechanism taking the fixed connecting support as a rack;
the fixed end of the wire control telescopic device is hinged with the fixed connecting support, the swinging end of the wire control telescopic device is hinged with the transverse connecting rod part, and in the projection in the plane of the four-bar mechanism to which the equal-arm double-rocker mechanism belongs, the projections of the wire control telescopic device, the vertical connecting rod part and the transverse connecting rod part are intersected to form a triangular structure; the wire-controlled telescopic device is provided with a wire-controlled unlocking mechanism which is used for unlocking the locking state of the telescopic action of the wire-controlled telescopic device when triggered by the push-pull of the outer connecting structure.
9. The lift control mechanism of claim 8, wherein:
the wire control unlocking mechanism is arranged at the swinging end of the wire control telescopic device.
10. The lift control mechanism of claim 8 or 9, wherein:
the lifting control mechanism comprises more than two equal-arm double-rocker mechanisms which are arranged side by side;
in the more than two equal-arm double-rocker mechanisms arranged side by side, one inner transverse connecting rod arranged along the transverse direction is fixedly connected with the vertical connecting rod parts of the two or more equal-arm double-rocker mechanisms, and one outer transverse connecting rod arranged along the transverse direction is fixedly connected with the outer end parts of the transverse connecting rod parts of the two or more equal-arm double-rocker mechanisms;
the wire control expansion device is a wire control gas spring, a wire control oil spring or a wire control oil gas spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021758423.7U CN215913639U (en) | 2020-08-20 | 2020-08-20 | Lifting table and lifting control mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021758423.7U CN215913639U (en) | 2020-08-20 | 2020-08-20 | Lifting table and lifting control mechanism thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215913639U true CN215913639U (en) | 2022-03-01 |
Family
ID=80408903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021758423.7U Active CN215913639U (en) | 2020-08-20 | 2020-08-20 | Lifting table and lifting control mechanism thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215913639U (en) |
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2020
- 2020-08-20 CN CN202021758423.7U patent/CN215913639U/en active Active
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