CN210383111U

CN210383111U - Lifting working table

Info

Publication number: CN210383111U
Application number: CN201920785374.7U
Authority: CN
Inventors: 项乐宏; 林涛; 李方圆
Original assignee: Loctek Ergonomic Technology Co Ltd
Current assignee: Loctek Ergonomic Technology Co Ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-04-24
Anticipated expiration: 2029-05-28

Abstract

The utility model discloses a lifting workbench: it comprises an upper platform and a lower platform; the lifting arm is used for adjusting the height of the upper platform relative to the lower platform, and the upper end of the lifting arm comprises a sliding piece linked with the lifting arm; the sliding piece is provided with a plurality of holes distributed along the length direction of the sliding piece; the upper platform is rotatably connected with a rotating arm, and the rotating arm is connected with a positioning column which protrudes outwards and is matched and clamped with the hole groove; the lifting workbench further comprises a wrench, the wrench is connected with the rotating arm and used for controlling the rotating arm to rotate, so that the positioning column on the rotating arm is clamped into the hole groove in the sliding part or separated from the hole groove in the sliding part. The lifting workbench is simple in structure, the locking mechanism is simple to operate, the locking stability is high, and the lifting workbench is not prone to shaking.

Description

Lifting working table

Technical Field

The utility model relates to a computer bears technical field, what specifically say is a lifting workbench.

Background

With the continuous development of society, flat panel displays, tablet computers and the like are more and more popularized in common families, and supports matched with the flat panel displays, the tablet computers and the like are born at the same time. A lifting workbench for bearing panel computer of prior art, also known as lifting workbench, it is generally placed and is used on desktop or mesa, disclose a patent application that publication number is CN 105124920A, name is lifting workbench on the website of national intellectual property office, its structure includes platform, upper mounting plate down, be equipped with at least a set of X type elevating system down between platform and the upper mounting plate, every X type elevating system of group includes that two intermediate positions hinge into the branch of X type each other: the lifting workbench comprises a lower platform, a first support rod, a second support rod, a first hinge seat, a second hinge seat, a third hinge seat and a fourth hinge seat, wherein the first hinge seat is fixed on the lower platform, the second hinge seat can slide relative to the lower platform, the third hinge seat is fixed on the upper platform, the fourth hinge seat can slide relative to the upper platform, the upper platform is provided with the third hinge seat, the third hinge seat and the fourth hinge seat can slide relative to the upper platform, the lifting workbench further comprises an elastic element, and the elastic element; one end of the elastic element is hinged with the first supporting rod or the second supporting rod, and the other end of the elastic element is hinged with the upper platform or the lower platform; the upper platform is also provided with a locking mechanism which comprises a pin, and the pin is controlled by a pull rope and a wrench and is used for controlling the pin to be inserted into the slotted hole or separated from the slotted hole. The locking mechanism of the lifting workbench with the structure is generally arranged to be one or two, when the locking mechanism is arranged, the locking mechanism and the wrench are located on one side of the upper platform, after the locking mechanism locks the lifting mechanism, the shaking gap of the pin is large, and the locking stability is insufficient. When being provided with two locking mechanism, then need set up two spanners, locking mechanism is controlled to every spanner, and its structure is more complicated, and the installation is more troublesome.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is, overcome the defect of above prior art, provide a simple structure, locking mechanism easy operation, locking stability is high, the difficult elevating platform who rocks.

The technical solution of the utility model is that, a elevating platform with following structure is provided: it comprises an upper platform and a lower platform;

the lifting arm is arranged between the upper platform and the lower platform and used for adjusting the height of the upper platform relative to the lower platform, the upper end of the lifting arm comprises a sliding part linked with the lifting arm, and the sliding part moves simultaneously in the horizontal direction in the process that the upper platform moves relative to the lower platform;

the sliding piece is provided with a plurality of holes distributed along the length direction of the sliding piece; the upper platform is rotatably connected with a rotating arm, and the rotating arm is connected with a positioning column which protrudes outwards and is matched and clamped with the hole groove; the lifting workbench further comprises a wrench, the wrench is connected with the rotating arm and used for controlling the rotating arm to rotate, so that the positioning column on the rotating arm is clamped into the hole groove on the sliding part or the positioning column on the rotating arm is separated from the hole groove on the sliding part; when the positioning column on the rotating arm is clamped into the hole groove on the sliding part, the sliding part is in a locking state, the lifting arm stops moving, and the height of the upper platform is locked; when the positioning column on the rotating arm is separated from the hole groove on the sliding part, the sliding part is in an unlocking state, the lifting arm can move, and the height of the upper platform relative to the lower platform can be adjusted.

Preferably, the lifting workbench further comprises an elastic piece, and the elastic piece is used for applying elastic force to the rotating arm so that the positioning column on the rotating arm is elastically clamped in the hole groove on the sliding piece.

Preferably, the lifting platform further comprises an auxiliary force element, the auxiliary force element is used for providing lifting force for lifting the upper platform, one end of the auxiliary force element is connected with the lifting arm, and the other end of the auxiliary force element is connected with the upper platform or the lower platform.

Preferably, the lifting arm is an X-shaped lifting arm and comprises a first supporting rod and a second supporting rod, the lower end of the first supporting rod is hinged with the lower platform, the upper end of the first supporting rod is connected with a first sliding plate, and the first sliding plate is connected with the upper platform in a sliding manner; the upper end of the second support rod is hinged with the upper platform, the lower end of the second support rod is connected with a second sliding plate, and the second sliding plate is connected with the lower platform in a sliding manner; the hole grooves are formed in the first sliding plate, the positioning columns on the rotating arms are clamped into the hole grooves in the first sliding plate or the positioning columns on the rotating arms are separated from the hole grooves in the first sliding plate, and therefore locking or unlocking of the first sliding plate is achieved.

Preferably, the two groups of lifting arms are respectively arranged at two sides of the bottom of the upper platform; the utility model discloses a lifting arm's structure, including upper platform, spanner, dwang, rotating arm, pivoted lever and two rotating arms, the rotating arm be two, and match with two sets of lifting arms respectively, the bottom rotatable coupling of upper platform a rotating lever, the spanner be connected with one of them one end of dwang, the dwang be connected with two rotating arms respectively for drive two rotating arms simultaneously and rotate, make the reference column card on two rotating arms go into or break away from the.

Preferably, the rotating rod is connected with two driving parts, and the two driving parts are respectively provided with a guide groove which is obliquely arranged; the two rotating arms are connected with a convex connecting column, and the free ends of the two connecting columns are in clearance fit with the guide grooves of the two driving parts respectively.

Preferably, the rotor arm is further connected with a hook, when the rotor arm is controlled to rotate by a wrench, the hook rotates simultaneously, the lifting arm or the lower platform is provided with a hanging column or a hanging groove corresponding to the hook, when the upper platform is folded to the lowest position, the hook is hung with the hanging column or the hanging groove, the upper platform is prevented from moving relative to the lower platform, when the wrench is pulled, the hook is separated from the hanging column or the hanging groove, and the height of the upper platform is adjustable relative to the lower platform.

Preferably, the rotating arm is further connected with a hook, which means that the hook is connected with a rotating rod connected with the rotating arm, and when the rotating rod is controlled by the wrench to rotate and drive the rotating arm to rotate, the hook also rotates; when the upper platform is folded to the lowest position, the positioning column on the rotating arm is not necessarily clamped in the hole groove of the sliding part, and the hook is used for hooking the lifting arm or the hanging column or the hanging groove on the lower platform, so that the upper platform is prevented from moving relative to the lower platform. When the upper platform is unfolded, the wrench is wrenched to separate the hook from the lifting arm or the hanging column or the hanging groove on the lower platform, and the upper platform can be lifted relative to the lower platform. Couple be two, connect respectively on the dwang and match with two sets of lifing arms, when the dwang rotated under the control of spanner, two couples rotated simultaneously, when the extreme lower position was folded to the upper mounting plate, two couples were hitched simultaneously on the string post or the string groove on lifing arm or lower platform, its security is good.

Preferably, the bottom of the upper platform is fixedly connected with a support, the middle part of the rotating arm is rotatably connected with the support through a rotating pin, the elastic part is a torsion spring, the torsion spring is sleeved on the rotating pin, a first support leg of the torsion spring abuts against the support, and a second support leg of the torsion spring abuts against the rotating arm; and under the action of elastic force, the torsion spring enables the positioning column on the rotating arm to always have the trend of moving towards the hole groove of the sliding part.

Preferably, the auxiliary force elements are two gas springs which are respectively arranged on two sides of the bottom of the upper platform, and a first end of each gas spring is hinged with the lifting arm, and a second end of each gas spring is hinged with the upper platform or the lower platform and used for providing lifting force for lifting the upper platform.

Preferably, the positioning column on the rotating arm is located below the sliding part, openings of the hole grooves on the sliding part are all arranged downwards, and the positioning column is clamped into one of the hole grooves on the sliding part from bottom to top under the elastic force of the elastic part.

Preferably, the lifting workbench further comprises a keyboard support, the bottom of the upper platform, which is close to one side of the user, is detachably connected with a keyboard support, and the keyboard support is installed on the keyboard support.

After the structure above adopting, the utility model discloses elevating platform compares with prior art, has following advantage:

1. the lifting workbench adopts a spanner to drive the rotating arm to rotate, so that the rotating arm overcomes the elasticity of the elastic piece, the positioning column is separated from the hole groove on the sliding piece, the sliding piece is in a sliding state, and the height of the upper platform can be adjusted; when the wrench is loosened, the rotating arm enables the positioning column to be clamped into the hole groove on the sliding part under the elastic force of the elastic part, so that the sliding part is in a locking state, and the height of the upper platform is locked at the moment; the rotor arm and the reference column that this elevating platform adopted realize the locking or the unblock of upper mounting plate through rotating the hole groove joint cooperation on with the slider, and the spanner that adopts with prior art drives the cable and makes pin horizontal migration insert or break away from the hole groove and realize the locking or the unblock of upper mounting plate and compare, and its structure is simpler, and the stability of locking is good, is difficult for rocking.

2. The rotor arms of this elevating platform are two, and two rotor arms all are connected with the dwang, pull the spanner, and two rotor arms of dwang simultaneous control rotate, and the operation is very simple, and reference column on these two rotor arms makes the locking stability of upper mounting plate higher to the locking of upper mounting plate in addition, and the difficult production of bearing and the upper mounting plate that improves the upper mounting plate is rocked after the locking.

3. When the hook connected with the rotating arm is folded to the lowest position on the upper platform, the hook is hooked with the hanging column or the hanging groove on the lifting arm or the lower platform, so that the upper platform cannot be opened due to accidental touch, and the safety is high.

Drawings

Fig. 1 is a schematic front structural view of the lifting table of the present invention.

Fig. 2 is a schematic view of the bottom structure of the lifting table of the present invention.

Fig. 3 is a schematic structural view of the lower part of the upper platform of the lifting workbench.

Fig. 4 is an enlarged view of a portion a of the lifting table of the present invention in fig. 3.

As shown in the figure:

1. the device comprises an upper platform, 2, a lower platform, 3, a lifting arm, 300, a first supporting rod, 301, a second supporting rod, 302, a first sliding plate, 303, a second sliding plate, 304, a hanging column, 305, a hole groove, 4, a wrench, 400, a rotating rod, 401, a rotating arm, 402, a positioning column, 403, a support, 404, a rotating pin, 405, an elastic part, 406, a connecting column, 407, a driving part, 408, a guide groove, 409, a hook, 5, an auxiliary force element, 6, a keyboard support, 600 and a keyboard support.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, 2, 3 and 4;

the utility model discloses a lifting workbench, which comprises an upper platform 1 and a lower platform 2; the lifting arm 3 is arranged between the upper platform 1 and the lower platform 2 and used for adjusting the height of the upper platform 1 relative to the lower platform 2, the upper end of the lifting arm 3 comprises a sliding part linked with the lifting arm 3, and the sliding part moves simultaneously in the horizontal direction in the process that the upper platform 1 moves relative to the lower platform 2; the sliding part is provided with a plurality of holes 305 distributed along the length direction; a rotating arm 401 is rotatably connected to the upper platform 1, and a positioning column 402 which protrudes outwards and is matched and clamped with the hole groove 305 is connected to the rotating arm 401; the lifting workbench further comprises a wrench 4, wherein the wrench 4 is connected with the rotating arm 401 and used for controlling the rotating arm 401 to rotate, so that the positioning column 402 on the rotating arm 401 is clamped into the hole groove 305 on the sliding part or the positioning column 402 on the rotating arm 401 is separated from the hole groove 305 on the sliding part; when the positioning column 402 on the rotating arm 401 is clamped into the hole slot 305 on the sliding part, the sliding part is in a locking state, the lifting arm 3 stops moving, and the height of the upper platform 1 is locked; when the positioning post 402 of the rotating arm 401 is disengaged from the hole slot 305 of the sliding member, the sliding member is in the unlocked state, the lifting arm 3 can move, and the height of the upper platform 1 can be adjusted relative to the lower platform 2. The lifting workbench adopts a spanner to drive the rotating arm to rotate, so that the rotating arm overcomes the elasticity of the elastic piece, the positioning column is separated from the hole groove on the sliding piece, the sliding piece is in a sliding state, and the height of the upper platform can be adjusted; when the wrench is loosened, the rotating arm enables the positioning column to be clamped into the hole groove on the sliding part under the elastic force of the elastic part, so that the sliding part is in a locking state, and the height of the upper platform is locked at the moment; the rotor arm and the reference column that this elevating platform adopted realize the locking or the unblock of upper mounting plate through rotating the hole groove joint cooperation on with the slider, and the spanner that adopts with prior art drives the cable and makes pin horizontal migration insert or break away from the hole groove and realize the locking or the unblock of upper mounting plate and compare, and its structure is simpler, and the stability of locking is good, is difficult for rocking.

The lifting workbench further comprises an elastic piece 405, and the elastic piece 405 is used for applying elastic force to the rotating arm 401, so that the positioning column 402 on the rotating arm 401 is elastically clamped in the hole groove 305 on the sliding part. When the wrench is wrenched to enable the rotating arm to rotate by overcoming the elasticity of the elastic piece, the positioning column on the rotating arm is separated from the hole groove of the sliding piece, at the moment, the sliding piece slides, and the upper platform can be lifted; after the upper platform is lifted to a certain height, the wrench is loosened, the rotating arm rotates under the elastic force of the elastic piece, the positioning column on the rotating arm is clamped into the hole groove of the sliding piece, the sliding piece stops sliding, and the height of the upper platform is locked.

The lifting workbench further comprises an auxiliary force element 5, the auxiliary force element 5 is used for providing lifting force for lifting the upper platform 1, one end of the auxiliary force element 5 is connected with the lifting arm 3, and the other end of the auxiliary force element 5 is connected with the upper platform 1 or the lower platform 2. The auxiliary force elements 5 are two gas springs which are respectively arranged on two sides of the bottom of the upper platform 1, the first end of each gas spring is hinged with the lifting arm 3, and the second end of each gas spring is hinged with the upper platform 1 or the lower platform 2 and used for providing lifting force for the upper platform 1 to lift.

The lifting arm 3 is an X-shaped lifting arm and comprises a first supporting rod 300 and a second supporting rod 301, the lower end of the first supporting rod 300 is hinged with the lower platform 2, the upper end of the first supporting rod 300 is connected with a first sliding plate 302, and the first sliding plate 302 is connected with the upper platform 1 in a sliding manner; the upper end of the second support rod 301 is hinged with the upper platform 1, the lower end of the second support rod is connected with the second sliding plate 303, and the second sliding plate 303 is connected with the lower platform 2 in a sliding manner; the hole slot 305 is arranged on the first sliding plate 302, and the positioning column 402 on the rotating arm 401 is clamped into the hole slot 305 on the first sliding plate 302 or the positioning column 402 on the rotating arm 401 is separated from the hole slot 305 on the first sliding plate 302, so that the first sliding plate 302 is locked or unlocked. The utility model discloses a rotor arm also can be other structures, is not limited to this X type upgrading arm, the sliding support arm that sets up including rotor arm, the vertical lifing arm that can adopt parallel four-bar linkage structure sets up etc. in addition.

The two groups of lifting arms 3 are respectively arranged at two sides of the bottom of the upper platform 1; the utility model discloses a lifting arm 3, including upper platform 1, spanner 4, dwang 400, two rotation arms 401 be two, and match with two sets of lifting arm 3 respectively, the bottom swivelling joint of upper platform 1 a dwang 400, spanner 4 be connected with one of them end of dwang 400, dwang 400 be connected with two rotation arms 401 respectively for drive two rotation arms 401 simultaneously and rotate, make the reference column 402 on two rotation arms 401 block into or break away from the hole groove 305 on the first sliding plate 302 of lifting arm 3 who corresponds with it.

The rotating rod 400 is connected with two driving members 407, and the two driving members 407 are respectively provided with a guide groove 408 which is obliquely arranged; the two rotating arms 401 are connected with a convex connecting column 406, and the free ends of the two connecting columns 406 are respectively in clearance fit with the guide grooves 408 of the two driving members 407. When the dwang rotates and drives the rotor arm and rotate, the free end of spliced pole slides in the guide way 408 of driving piece to make the rotor arm rotate, the setting up of this guide way has not only remedied rotor arm and dwang and has rotated along different axis pivoted defect, has played limiting displacement to the turned angle of rotor arm moreover.

The rotor arm 401 still is connected with couple 409, and when spanner 4 controlled rotor arm 401 rotated, couple 409 rotated simultaneously, lifing arm 3 or lower platform 2 on be equipped with couple 409 corresponding string post 304 or hang the groove, when upper mounting plate 1 folded to the lowest position, couple 409 with hang post 304 or hang the groove and articulate, prevent upper mounting plate 1 and move for lower platform 2, when pulling spanner 4, couple 409 from hanging post 304 or hanging the groove and break away from, upper mounting plate 1 is for lower platform 2 height-adjustable. The rotating arm 401 is also connected with a hook 409, which means that the hook 409 is connected with a rotating rod connected with the rotating arm, and when the rotating rod is controlled by a wrench to rotate and drive the rotating arm to rotate, the hook also rotates; when the upper platform is folded to the lowest position, the positioning column on the rotating arm is not necessarily clamped in the hole groove of the sliding part, and the hook is used for hooking the lifting arm or the hanging column or the hanging groove on the lower platform, so that the upper platform is prevented from moving relative to the lower platform. When the upper platform is unfolded, the wrench is wrenched to separate the hook from the lifting arm or the hanging column or the hanging groove on the lower platform, and the upper platform can be lifted relative to the lower platform. Couple be two, connect respectively on the dwang and match with two sets of lifing arms, when the dwang rotated under the control of spanner, two couples rotated simultaneously, when the extreme lower position was folded to the upper mounting plate, two couples were hitched simultaneously on the string post or the string groove on lifing arm or lower platform, its security is good. The arrangement ensures that the upper platform 1 cannot be opened due to accidental touch, and the safety is high.

The bottom of the upper platform 1 is fixedly connected with a support 403, the middle part of the rotating arm 401 is rotatably connected with the support 403 through a rotating pin 404, the elastic part 405 is a torsion spring, the torsion spring is sleeved on the rotating pin, a first support leg of the torsion spring abuts against the support 403, and a second support leg of the torsion spring abuts against the rotating arm 401; under the action of elastic force, the torsion spring makes the positioning column 402 of the rotating arm 401 always have a tendency of moving towards the hole slot 305 of the sliding part.

The lifting workbench further comprises a keyboard support 6, the bottom of the upper platform 4 close to one side of a user is detachably connected with a keyboard support 600, and the keyboard support 6 is installed on the keyboard support 600.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A lifting workbench comprises an upper platform and a lower platform;

the method is characterized in that: the sliding piece is provided with a plurality of holes distributed along the length direction of the sliding piece; the upper platform is rotatably connected with a rotating arm, and the rotating arm is connected with a positioning column which protrudes outwards and is matched and clamped with the hole groove; the lifting workbench further comprises a wrench, the wrench is connected with the rotating arm and used for controlling the rotating arm to rotate, so that the positioning column on the rotating arm is clamped into the hole groove on the sliding part or the positioning column on the rotating arm is separated from the hole groove on the sliding part; when the positioning column on the rotating arm is clamped into the hole groove on the sliding part, the sliding part is in a locking state, the lifting arm stops moving, and the height of the upper platform is locked; when the positioning column on the rotating arm is separated from the hole groove on the sliding part, the sliding part is in an unlocking state, the lifting arm can move, and the height of the upper platform relative to the lower platform can be adjusted.

2. The lift table of claim 1, wherein: the lifting workbench further comprises an elastic piece, and the elastic piece is used for applying elastic force to the rotating arm to enable the positioning column on the rotating arm to be elastically clamped in the hole groove on the sliding piece.

3. The lift table of claim 1, wherein: the lifting workbench further comprises an auxiliary force element, the auxiliary force element is used for providing lifting force for the upper platform to lift, one end of the auxiliary force element is connected with the lifting arm, and the other end of the auxiliary force element is connected with the upper platform or the lower platform.

4. The lift table of claim 1, wherein: the lifting arm is an X-shaped lifting arm and comprises a first supporting rod and a second supporting rod, the lower end of the first supporting rod is hinged with the lower platform, the upper end of the first supporting rod is connected with a first sliding plate, and the first sliding plate is connected with the upper platform in a sliding manner; the upper end of the second support rod is hinged with the upper platform, the lower end of the second support rod is connected with a second sliding plate, and the second sliding plate is connected with the lower platform in a sliding manner; the hole grooves are formed in the first sliding plate, the positioning columns on the rotating arms are clamped into the hole grooves in the first sliding plate or the positioning columns on the rotating arms are separated from the hole grooves in the first sliding plate, and therefore locking or unlocking of the first sliding plate is achieved.

5. The lift table of claim 4, wherein: the two groups of lifting arms are respectively arranged on two sides of the bottom of the upper platform; the utility model discloses a lifting arm's structure, including upper platform, spanner, dwang, rotating arm, pivoted lever and two rotating arms, the rotating arm be two, and match with two sets of lifting arms respectively, the bottom rotatable coupling of upper platform a rotating lever, the spanner be connected with one of them one end of dwang, the dwang be connected with two rotating arms respectively for drive two rotating arms simultaneously and rotate, make the reference column card on two rotating arms go into or break away from the.

6. The lift table of claim 5, wherein: the rotating rod is connected with two driving pieces, and the two driving pieces are respectively provided with an obliquely arranged guide groove; the two rotating arms are connected with a convex connecting column, and the free ends of the two connecting columns are in clearance fit with the guide grooves of the two driving parts respectively.

7. The lift table of claim 1, wherein: the rotor arm still is connected with the couple, and when spanner control rotor arm rotated, the couple rotated simultaneously, lifing arm or lower platform on be equipped with the couple corresponding string post or hang the groove, when the upper mounting plate was folded to the extreme low position, the couple with hang the post or hang the groove and articulate, prevent that the upper mounting plate from moving for lower platform, when pulling the spanner, the couple breaks away from string post or string groove, the upper mounting plate is for lower platform height-adjustable.

8. The lift table of claim 2, wherein: the bottom of the upper platform is fixedly connected with a support, the middle part of the rotating arm is rotatably connected with the support through a rotating pin, the elastic part is a torsion spring, the torsion spring is sleeved on the rotating pin, a first support leg of the torsion spring abuts against the support, and a second support leg of the torsion spring abuts against the rotating arm; and under the action of elastic force, the torsion spring enables the positioning column on the rotating arm to always have the trend of moving towards the hole groove of the sliding part.

9. The lift table of claim 3, wherein: the auxiliary force elements are two gas springs which are respectively arranged on two sides of the bottom of the upper platform, the first end of each gas spring is hinged with the lifting arm, and the second end of each gas spring is hinged with the upper platform or the lower platform and used for providing lifting force for the upper platform to lift.

10. The lift table of claim 1, wherein: the positioning column on the rotating arm is positioned below the sliding part, openings of the hole grooves on the sliding part are arranged downwards, and the positioning column is clamped into one of the hole grooves on the sliding part from bottom to top under the elastic force of the elastic part.