CN214258309U

CN214258309U - Electric lifting table

Info

Publication number: CN214258309U
Application number: CN202022070360.2U
Authority: CN
Inventors: 项乐宏; 蒋领辉; 张赞; 缪威泽
Original assignee: Loctek Ergonomic Technology Co Ltd
Current assignee: Loctek Ergonomic Technology Co Ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-09-24
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses an electric lifting table, which comprises a table board and a table frame connected with the bottom of the table board; the two lifting table legs are respectively arranged at two sides of the bottom of the table frame, and each lifting table leg comprises a lifting upright post, a driving motor and a motor housing connected to the top of the lifting upright post; two ends of the motor housing are respectively connected with a group of convex connecting columns, the free end of each connecting column is provided with a limiting column head with the outer diameter size larger than that of the connecting column, and the table frame is provided with jacks for the insertion of the limiting column heads of the two groups of connecting columns; the sliding piece is in sliding fit with the table frame and is provided with at least one group of locking hooks; and the wrench is rotatably connected to the table frame and used for driving the sliding part to slide, so that the locking hook on the sliding part is locked with at least one group of connecting columns extending into the jack. The electric lifting table has the advantages that the lifting table legs can be quickly assembled, screws are not required to be installed, the operation is simple and convenient, the connection is firm, and the stability is good.

Description

Electric lifting table

Technical Field

The utility model relates to an office furniture technical field, what specifically say is an electric lift table.

Background

The lifting table is an office table with adjustable height, can adjust the height according to the height, sitting posture and standing posture of a person, and generally comprises an electric lifting table and a manual lifting table. The electric lifting table in the prior art, in particular to a double-motor driven electric lifting table, structurally comprises a table top, a base, two lifting table legs and a cross beam for connecting the two table legs, wherein the top of each table leg is connected with a motor shell, a driving motor is arranged in the motor shell, and a rotating shaft of the driving motor is in transmission connection with a lead screw lifting mechanism in each table leg and is used for driving the lead screw lifting mechanism to rotate so as to lift the table legs; in order to ensure that the connection between the table legs and the table plate is stable and the stability of the table plate is kept in the lifting process, the connection mode of the table legs and the cross beam of the electric lifting table in the prior art is that the motor shell is connected with the cross beam through at least four fastening screws, and the table legs are troublesome to install; particularly, when a customer buys and assembles the table legs, at least eight screws are required to be drilled for assembling the two table legs, the time required for assembling is long, and the assembling is troublesome. Therefore, people improve the installation effectiveness of table leg through reducing fastening screw's quantity, like the prior application of publication No. CN209450053U, name for electric lift table, its structure of disclosing includes table, base, the table leg subassembly of two liftable and the crossbeam of being connected the table bottom, and every table leg subassembly includes the table leg of liftable and connects the driver shell at the table leg top, the first end and the crossbeam joint of driver shell, the second end of driver shell passes through fastener and crossbeam fixed connection. Although the electric lifting table in the prior art improves the mounting efficiency of the table legs, the second end of the driver shell is fixedly connected with the cross beam by mounting screws at the second end of the driver shell in the mounting process of the table legs, so that the electric lifting table is troublesome to operate and cannot meet the requirement of quickly mounting the table legs.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the defect of above prior art, provide one kind and make lift table leg ability fast assembly, and need not the installation screw, easy operation, convenience, and firm in connection, the good electric lift table of stability.

The technical solution of the utility model is to provide an electric lift table with the following structure: it comprises

A table plate and a table frame connected to the bottom of the table plate;

the two lifting table legs are respectively arranged at two sides of the bottom of the table frame, and each lifting table leg comprises a lifting upright post, a driving motor and a motor housing connected to the top of the lifting upright post;

two ends of the motor housing are respectively connected with a group of convex connecting columns, the free end of each connecting column is provided with a limiting column head with the outer diameter size larger than that of the connecting column, and the table frame is provided with a jack for the insertion of the limiting column heads of the two groups of connecting columns;

the sliding piece is in sliding fit with the table frame and is provided with at least one group of locking hooks;

and the wrench is rotatably connected to the table frame and used for driving the sliding part to slide, so that the locking hook on the sliding part is locked with at least one group of connecting columns extending into the jack.

Preferably, the table frame comprises two hollow beams which are arranged in parallel, and the insertion holes are formed in the bottoms of the beams; the sliding part comprises two sliding blocks which are in sliding fit in the inner hole of the beam, the two sliding blocks are connected through a connecting rod, each sliding block is provided with a notch for inserting a limiting column head of the connecting column, the bottom wall of one side of the notch is provided with a bayonet, and the bayonet forms the locking hook.

Preferably, the wrench is provided with an arc pushing part and a positioning clamping groove from inside to outside in sequence, the arc pushing part can extrude the connecting rod to enable the sliding part to slide when the wrench rotates, and when the locking hook on the sliding part locks the connecting column, the positioning clamping groove is clamped on the connecting rod to enable the position of the connecting rod to be locked.

Preferably, the jacks comprise a first jack and a second jack which are communicated with each other, the aperture size of the first jack is larger than that of the second jack, and the first jack and the second jack are sequentially distributed along the locking direction of the sliding piece; the aperture size of the first jack is larger than the outer diameter size of the limiting column head, and the aperture size of the second jack is smaller than the outer diameter size of the limiting column head.

Preferably, the two beams are connected with two coaxial rotating shafts, the wrench is rotatably connected with the two rotating shafts, the two sliding blocks are respectively provided with a guide hole extending along the sliding direction of the sliding block, and the two rotating shafts are in clearance fit in the two guide holes.

Preferably, two long holes are symmetrically arranged on the opposite inner side walls of the two cross beams, and the connecting rods are in clearance fit in the two long holes.

Preferably, the arc pushing part is an arc pushing part with a low outer part and a high inner part.

Preferably, two connecting holes are respectively formed in two ends of the motor housing and are located on two sides of the motor housing; the spliced pole include from bottom to top wear to locate the threaded rod in the spliced pole, spacing column head threaded connection on the threaded rod, and the lower extreme of spacing column head is equipped with a spacing step, the lower extreme of spacing step offsets with the motor housing, the height of this spacing step is more than or equal to the thickness of latch hook.

Preferably, the sliding part is provided with two groups of locking hooks which are sequentially distributed along the length direction of the sliding part, and the two groups of locking hooks are arranged corresponding to the two groups of connecting columns on the motor housing and are used for locking the two groups of connecting columns extending into the jack.

After the structure more than adopting, the utility model relates to an electric lift table compares with prior art, has following advantage: the electric lifting table is characterized in that two ends of a motor housing are respectively connected with a group of connecting columns, and a limiting column cap is arranged at the free end or the upper end of each connecting column, namely two groups of connecting columns are pre-installed at two ends of the motor housing when a product leaves a factory, so that a user does not need to install the connecting columns when the product is purchased and then assembled; the bottom of the table frame is provided with a jack into which a limiting column head of the connecting column is inserted, the table frame is internally provided with a slidable sliding piece, the sliding piece is provided with a locking hook capable of locking at least one group of connecting columns extending into the jack, namely, when the spanner drives the sliding piece to move, the locking hook can hook the limiting column head of the connecting column, so that the installation of the lifting table legs and the table frame is completed; therefore, when the lifting table legs are assembled with the table frame, only the connecting column of the motor housing of the lifting table legs needs to be inserted into the jack at the bottom of the table frame from bottom to top, then the wrench is pulled, the wrench drives the sliding piece to slide, the lock hook of the sliding piece hooks the limiting column head of the connecting column in the jack, the connecting column is driven to slightly move towards the sliding direction of the sliding piece, the lower end face of the limiting column head is attached to the end face at the inner end of the jack, and under the locking effect of the lock hook, the motor housing of the lifting table legs is connected with the table frame. In the process of assembling the lifting table legs and the table frame, a hand tool and an installation screw are not needed, the spanner is pulled to complete the connection and locking of the lifting table legs and the table frame, the operation is simple and convenient, the quick assembly of the lifting table legs is realized, the user experience is good, and the connection between the lifting table legs and the table frame is firm and the stability is good.

Drawings

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

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

Fig. 3 is a schematic view of the connection structure of the lifting table legs and the table frame of the electric lifting table of the present invention.

Fig. 4 is a schematic view of the assembly structure of the lifting table legs and the table frame of the electric lifting table of the present invention.

Fig. 5 is a schematic view of the electric elevating table of the present invention in a partial sectional view.

Fig. 6 is a schematic structural view of another embodiment of the sliding member of the electric lift table of the present invention.

As shown in the figure:

1. the table comprises a table plate, 2, a table frame, 200, a cross beam, 201, jacks, 202, a first jack, 203, a second jack, 204, a long hole, 3, lifting table legs, 300, lifting columns, 301, a motor housing, 302, a connecting hole, 303, a connecting column, 304, a limiting column cap, 305, a threaded rod, 306, a limiting step, 4, a base, 5, a wrench, 500, a rotating shaft, 501, an arc pushing part, 502, a positioning clamping groove, 6, a sliding part, 600, a sliding block, 601, a locking hook, 602, a notch, 603, a bayonet, 604, a connecting rod, 605, a guide hole, 7, a controller, 8 and a hand controller.

Detailed Description

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

See FIGS. 1-5;

the utility model relates to an electric lifting table, which comprises a table board 1 and a table frame 2 connected with the bottom of the table board 1; the two lifting table legs 3 are respectively arranged at two sides of the bottom of the table frame 2, and each lifting table leg 3 comprises a lifting upright post 300, a driving motor and a motor housing 301 connected to the top of the lifting upright post 300; electric lift table still including connecting at the base 4 of 3 bottoms of lift table legs, and be equipped with the controller 7 of control driving motor action on the table frame 2, this controller 7 is connected with external power through the power wiring and is got the electricity, one side that the table 1 is close to the user is equipped with hand controller 8, this

hand controller

8 and 7 electric connection of controller for send lifting instruction for controller 7. The table frame 2 comprises two parallel hollow beams 200 and two support plates 205 arranged at two ends of the beams 200, and the two support plates 205 and the beams 200 are respectively fixed with the bottom of the table plate 1 through screws. The bottom of the motor housing 301 is connected with a bottom plate, two ends of the bottom plate are respectively connected with a group of convex connecting columns 303, a limit column head 304 with the outer diameter size larger than that of each connecting column is arranged at the free end of each connecting column 303, namely two connecting holes 302 are respectively arranged at two ends of the motor housing 301, and the two connecting holes 302 are positioned at two sides of the motor housing 301; the connecting column 303 comprises a threaded rod 305 penetrating through the connecting hole from bottom to top, the limiting column head 304 is in threaded connection with the threaded rod 305, a limiting step 306 is arranged at the lower end of the limiting column head 304, the lower end of the limiting step 306 is abutted against the motor housing 301, and the height of the limiting step 306 is larger than or equal to the thickness of the locking hook 601. The table frame 2 is provided with jacks 201 for inserting the limiting column heads 304 of the two groups of connecting columns 303, in this embodiment, the jacks 201 are arranged at the bottom of the cross beam 200; the sliding part 6 is slidably fitted in the table frame 2, the sliding part 6 comprises two sliding blocks 600 slidably fitted in the inner hole of the cross beam 200, the two sliding blocks 600 are connected through a connecting rod 604, each sliding block 600 is provided with a notch 602 for inserting the limiting column head 304 of the connecting column 303, the bottom wall of one side of the notch 602 is provided with a bayonet 603, and the bayonet 603 forms the locking hook 601. At least one group of lock hooks 601 is arranged on the sliding part 6; and the wrench 5 is rotatably connected to the table frame 2 and used for driving the sliding part 6 to slide, so that the locking hook 601 on the sliding part 6 locks at least one group of connecting posts 303 extending into the insertion holes 201. The two ends of the motor housing 301 of the electric lifting table are respectively connected with a group of connecting columns 303, the free end or the upper end of each connecting column 303 is provided with a limiting column head 304, namely, when a product leaves a factory, the two ends of the motor housing 301 are pre-provided with two groups of connecting columns 303, and a user does not need to install the connecting columns when purchasing the product and then assembling; the bottom of the table frame 2 is provided with a jack 201 for inserting the limit column cap 304 of the connecting column 303, the table frame 2 is internally provided with a slidable sliding piece 6, the sliding piece 6 is provided with a locking hook 601 which can lock at least one group of connecting column 303 extending into the jack 201, namely, when the spanner 5 drives the sliding piece 6 to move, the locking hook 601 can hook the limit column cap 304 of the connecting column 303, so that the installation of the lifting table legs 3 and the table frame 2 is completed; therefore, when the lifting table legs are assembled with the table frame, only the connecting column of the motor housing of the lifting table legs needs to be inserted into the jack at the bottom of the table frame from bottom to top, then the wrench is pulled, the wrench drives the sliding piece to slide, the lock hook of the sliding piece hooks the limiting column head of the connecting column in the jack, the connecting column is driven to slightly move towards the sliding direction of the sliding piece, the lower end face of the limiting column head is attached to the end face at the inner end of the jack, and under the locking effect of the lock hook, the motor housing of the lifting table legs is connected with the table frame. In the process of assembling the lifting table legs and the table frame, a hand tool and an installation screw are not needed, the spanner is pulled to complete the connection and locking of the lifting table legs and the table frame, the operation is simple and convenient, the quick assembly of the lifting table legs is realized, the user experience is good, and the connection between the lifting table legs and the table frame is firm and the stability is good.

Referring to fig. 4 again, as an embodiment of the present invention, the wrench 5 is sequentially provided with an arc pushing portion 501 and a positioning slot 502 from inside to outside, the arc pushing portion 501 can extrude the connecting rod 604 to slide the slider 6 when the wrench 5 rotates, and when the connecting column 303 is locked by the locking hook 601 on the slider 6, the positioning slot 502 is connected to the connecting rod 604 in a clamping manner to lock the position of the connecting rod 604. The two beams 200 are connected with two coaxial rotating shafts 500, the wrench 5 is rotatably connected with the two rotating shafts 500, the two sliding blocks 600 are respectively provided with a guide hole 605 extending along the sliding direction of the sliding blocks 600, and the two rotating shafts 500 are in clearance fit in the two guide holes 605. The arc pushing portion 501 is an arc pushing portion with a low outer portion and a high inner portion. When the wrench 5 is rotated from bottom to top, the arc pushing portion 501 presses the connecting rod 604 outwards, so that the connecting rod 604 together with the slider 600 slides in the inner hole of the cross beam 200, and the locking hook 601 on the slider 600 locks the connecting column 303 between the spacing column head 304 and the motor housing 301, i.e. locks the spacing step 306, so that the spacing column head 304 of the connecting column 303 is limited in the insertion hole 201. In addition, the sliding fit relationship between the rotating shaft 500 and the guiding hole 605 makes the sliding of the sliding block more stable and smooth.

Referring to fig. 4 again, as an embodiment of the present invention, the insertion holes 201 include a first insertion hole 202 and a second insertion hole 203 that are communicated with each other, the aperture size of the first insertion hole 202 is larger than the aperture size of the second insertion hole 203, and the first insertion hole 202 and the second insertion hole 203 are sequentially distributed along the locking direction of the sliding member 6; the first receptacle 202 has an aperture size larger than the outer diameter of the retaining post head 304 and the second receptacle 203 has an aperture size smaller than the outer diameter of the retaining post head 304. That is, the insertion hole 201 is a gourd-shaped hole, when the limit column cap 304 of the connection column 303 is inserted into the insertion hole 201, the wrench 5 drives the slider 6 to slide, so that the latch hook 601 of the slider 6 hooks the limit column cap 304 of the connection column 303 in the insertion hole 201, and drives the connection column 303 to slightly move towards the sliding direction of the slider 6, so that the connection column 303 is placed in the second insertion hole 203 with a smaller aperture size, and when the positioning slot 502 of the wrench is snapped on the connecting rod 604, the limit column cap 304 of the connection column 303 is locked by the latch hook 601 at this time.

Referring again to fig. 4, as an embodiment of the present invention, two elongated holes 204 are symmetrically disposed on the opposite inner sidewalls of the two cross beams 200, and the connecting rod 604 is clearance-fitted in the two elongated holes 204. The connecting rod 604 is matched with the two elongated holes 204, so that the sliding of the sliding part is smoother; when the lifting table legs are disassembled, the wrench is wrenched to separate the positioning clamping groove 502 from the connecting rod 604, and then the connecting rod 604 is pushed reversely by hand, so that the locking hook 601 is separated from the connecting column, and the lifting table legs can be disassembled.

Referring to fig. 6, as another embodiment of the present invention, the sliding member 6 is provided with two sets of locking hooks 601, the two sets of locking hooks 601 are distributed along the length direction of the sliding member 6 in sequence, and the two sets of locking hooks 601 and the two sets of connecting posts 303 on the motor housing 301 are correspondingly arranged for locking the two sets of connecting posts 303 extending into the insertion hole 201. The two groups of locking hooks 601 on the sliding piece 6 respectively lock the two groups of connecting posts 303 on the motor housing 301, so that the connection between the lifting table legs and the table frame is more stable and firm; other technical schemes of the embodiment are the same as those of the embodiment.

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. An electric lifting table comprises

A table plate and a table frame connected to the bottom of the table plate;

the two lifting table legs are respectively arranged at two sides of the bottom of the table frame, and each lifting table leg comprises a lifting upright post, a driving motor and a motor housing connected to the top of the lifting upright post; the method is characterized in that:

2. The motorized lift table of claim 1, wherein: the table frame comprises two hollow beams which are arranged in parallel, and the insertion holes are formed in the bottoms of the beams; the sliding part comprises two sliding blocks which are in sliding fit in the inner hole of the beam, the two sliding blocks are connected through a connecting rod, each sliding block is provided with a notch for inserting a limiting column head of the connecting column, the bottom wall of one side of the notch is provided with a bayonet, and the bayonet forms the locking hook.

3. The motorized lift table of claim 2, wherein: the spanner from inside to outside be equipped with arc top portion of pushing away and positioning groove in proper order, arc top portion of pushing away can extrude the connecting rod when the spanner rotates and make the slider slide, when the latch hook locking spliced pole on the slider, positioning groove joint on the connecting rod, make connecting rod position locking.

4. The motorized lift table of claim 1, wherein: the jacks comprise a first jack and a second jack which are communicated with each other, the aperture size of the first jack is larger than that of the second jack, and the first jack and the second jack are sequentially distributed along the locking direction of the sliding part; the aperture size of the first jack is larger than the outer diameter size of the limiting column head, and the aperture size of the second jack is smaller than the outer diameter size of the limiting column head.

5. An electrically powered lift table as defined in claim 3 wherein: the two rotating shafts of the two coaxial lines are connected to the two beams, the wrench can be rotatably connected to the two rotating shafts, the two sliding blocks are respectively provided with a guide hole extending along the sliding direction of the sliding blocks, and the two rotating shafts are in clearance fit in the two guide holes.

6. An electrically powered lift table as defined in claim 5 wherein: two elongated holes are symmetrically arranged on the opposite inner side walls of the two cross beams, and the connecting rods are in clearance fit in the two elongated holes.

7. An electrically powered lift table as defined in claim 3 wherein: the arc-shaped pushing part is low outside and high inside.

8. The motorized lift table of claim 1, wherein: two connecting holes are respectively arranged at two ends of the motor housing and are positioned at two sides of the motor housing; the spliced pole include from bottom to top wear to locate the threaded rod in the spliced pole, spacing column head threaded connection on the threaded rod, and the lower extreme of spacing column head is equipped with a spacing step, the lower extreme of spacing step offsets with the motor housing, the height of this spacing step is more than or equal to the thickness of latch hook.

9. The motorized lift table of claim 1, wherein: the sliding part is provided with two groups of locking hooks which are sequentially distributed along the length direction of the sliding part, and the two groups of locking hooks are arranged corresponding to the two groups of connecting columns on the motor housing and are used for locking the two groups of connecting columns extending into the jack.