CN209251922U - Same table - Google Patents
Same table Download PDFInfo
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- CN209251922U CN209251922U CN201821013669.4U CN201821013669U CN209251922U CN 209251922 U CN209251922 U CN 209251922U CN 201821013669 U CN201821013669 U CN 201821013669U CN 209251922 U CN209251922 U CN 209251922U
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- drive rod
- shaft
- driving
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Abstract
The utility model discloses a kind of same tables, it includes desktop, two liftable table legs, the crossbeam being connected at the top of two table legs and driving device, a rotatable drive rod is equipped in the crossbeam, the driving device is for driving drive rod rotation；The screw-threaded shaft elevator structure of an adjusting table leg adjustable height is equipped in two table legs；Screw-threaded shaft elevator structure in the first end of the drive shaft of the driving device and one of table leg is sequentially connected, the second end of drive shaft passes through the removable connection of first end of shaft coupling and drive rod, the second end of drive rod is set as the big cone-shaped plug in the small inner end in outer end, and the screw-threaded shaft elevator structure in the cone-shaped plug and another table leg is sequentially connected.The same table is easy to assembly, simple, and be directed at drive rod both ends need not in connection with the driving gear of table leg lifting is driven, and can facilitate installation, easy to operate, quick.
Description
Technical field
The utility model relates to technical field of office furniture, specifically be a kind of same table.
Background technique
Same table is a kind of height-adjustable desk, and height can be adjusted according to the height of people, sitting posture and stance.Such as
Its structure of the same table of the prior art includes desktop, pedestal, driving device and liftable table leg, connects the crossbeam of table leg, institute
It states and is equipped with screw-threaded shaft elevator structure in table leg, the screw-threaded shaft elevator structure includes the lead screw being rotatably connected in table leg inner tube, institute
State the coaxially connected drive gear assemblies in one end of lead screw, be threadedly coupled a pedestal on lead screw, the pedestal and inner tube it is interior
Wall is fixedly connected；Drive rod, the driving gear connection of drive rod and drive gear assemblies, for driving are equipped in the crossbeam
Sliding tooth wheel rotation, so that lead screw be made to rotate, the pedestal on lead screw is moved along the length direction of lead screw, make table leg outer tube relative to
Table leg inner tube is subjected to displacement, and lifting action occurs for table leg；Driving device is for driving drive rod rotation；The driving device one
As be driving motor or crank.And the same table of the prior art its crossbeam is generally three sections, i.e., left crossbeam, right crossbeam and connection are left
The connecting plate of crossbeam and right crossbeam inner end, the connecting plate are installed for driving device, at the top of one end of left crossbeam and left table leg
Connection, one end of right crossbeam and right table leg top are connect；The beam structure of the same table of the structure is more complicated, and user installation
Inconvenience, user during installation, will not only assemble the connecting plate of left crossbeam, right crossbeam and connection left crossbeam and right crossbeam inner end,
And assembled drive unit is wanted, it is very inconvenient to operate；In addition, the drive rod and drive gear assemblies of the drive mechanism of the same table
The connection of driving gear be generally removable connection namely the both ends of drive rod are set as regular polygon prism, sliding tooth
The shaft end face of wheel is equipped with the polygonal hole of the regular polygon prism insertion for the both ends of drive rod；The transmission mechanism
Drive rod both ends with driving gear when connect, be not easy to be aligned, cause installation more inconvenience.
Utility model content
The technical problems to be solved in the utility model is to overcome the defect of the above prior art, provide it is a kind of it is easy to assembly,
Simply, and drive rod both ends are directed at need not in connection with the driving gear of table leg lifting is driven, installation can be facilitated, operated
Simply, efficiently same table.
The technical solution of the utility model is to provide a kind of same table having following structure: it includes desktop, two
A liftable table leg, the crossbeam being connected at the top of two table legs and driving device, the crossbeam is interior to be equipped with a rotatable biography
Lever, the driving device is for driving drive rod rotation；It is high that adjusting table leg lifting is equipped in two table legs
The screw-threaded shaft elevator structure of degree；Screw-threaded shaft elevator structure in the first end of the drive shaft of the driving device and one of table leg passes
Dynamic connection, the second end of drive shaft pass through the removable connection of first end of shaft coupling and drive rod, the second end setting of drive rod
For the big cone-shaped plug in the small inner end in outer end, the screw-threaded shaft elevator structure in the cone-shaped plug and another table leg is sequentially connected.
After using the above structure, the utility model same table compared with prior art, has the advantage that the same table
One end of drive rod is coaxially connected by the drive shaft of shaft coupling and driving device, and it is small interior that the other end of drive rod is set as outer end
Big cone-shaped plug is held, the screw-threaded shaft elevator structure in the cone-shaped plug and another table leg is sequentially connected.It is driven in installation
When bar, first the first end of drive rod is connected by the second end of shaft coupling and drive shaft, then by the second end of drive rod with
Screw-threaded shaft elevator structure transmission connection in table leg；Since screw-threaded shaft elevator structure is placed in table leg, drive rod and screw-threaded shaft elevator
Structure is more inconvenient when connecting；And the drive rod of the prior art needs both ends to be all inserted into the screw-threaded shaft elevator structure of table leg and and lead screw
Elevating mechanism transmission connection, the drive rod of the utility model same table only need the transmission of the screw-threaded shaft elevator structure of one end and table leg to connect
It connects, the other end passes through the driving axis connection of shaft coupling and driving device；Therefore the installation of the utility model transmission shaft is more
It is simple and convenient.
Preferably, the outer circle wall of the cone-shaped plug is equipped with multiple external tooths along the distribution of cone-shaped plug circumferencial direction
Tooth, the cone-shaped plug are plugged in the jack on the shaft outer end face of the driving gear of screw-threaded shaft elevator structure, and described inserts
Interior teeth are distributed on the internal perisporium in hole, the outer teeth of the cone-shaped plug are engaged with the interior teeth of jack.In drive rod and table
In leg when the shaft connection of the driving gear of lead screw elevating mechanism, only the cone-shaped plug of the outer end of drive rod need to be plugged on table leg
In the jack of the driving rotary gear shaft of interior screw-threaded shaft elevator structure, without alignment, insertion can be facilitated；In addition, taper is inserted
Outer teeth on head are engaged with the interior teeth of jack, to drive the rotation of sliding tooth wheel when making drive rod rotation.Therefore the lifting
The drive rod of table need not be aligned with the shaft of the driving gear of lead screw elevating mechanism in table leg in connection, can facilitate installation,
It installs easy to operate, quick.
Preferably, the drive rod includes the transmission bar body being coaxially set and transmission tube, the drive rod sheet
One end of body is slidably fitted in the inner hole of transmission tube, and a locking nut is threadedly coupled on transmission tube, the locking nut
Position locking for being driven between bar body and transmission tube；The outer end of transmission bar body, institute is arranged in the cone-shaped plug
The outer end for stating transmission tube connects a first shaft coupling, and the second end of the drive shaft connects a second shaft coupling, and described first
Shaft coupling and second shaft coupling are coaxially connected.The length of the drive rod is scalable, i.e., when installing drive rod, first by drive rod sheet
Body is retracted in transmission tube, is then driven the second shaft coupling of the first shaft coupling of transmission tube outer end and drive shaft second end and is connected
It connects, finally pulls out transmission bar body, the screw-threaded shaft elevator structure for being plugged on the cone-shaped plug for being driven bar body in table leg
In the jack for driving rotary gear shaft；Then locking locking nut locks the position being driven between bar body and transmission tube.Transmission
The installation process of bar is fairly simple, conveniently.
Preferably, the crossbeam includes hollow first crossbeam and second cross beam, the first crossbeam and second horizontal
The outer end of beam is fixedly connected at the top of two table legs respectively, and the inner end of first crossbeam is mating in second cross beam inner end
Kong Zhong, and the inner end lateral wall of second cross beam is equipped with the fastening screw of fixed first crossbeam.The crossbeam is two and two cross
Beam may be folded on together, not only save packaging volume, but also save manufacturing cost compared with three section crossbeams of the prior art.
Preferably, the driving device is installed therein the top of a table leg, and the drive shaft of driving device
Screw-threaded shaft elevator structure in first end and the table leg is sequentially connected.The driving device is directly fixed with the top of table leg when leaving the factory
Connection, therefore client is when assembling same table, the step of eliminating assembled drive unit, therefore make same table it is easy to assembly,
Fast, user experience is good.
Preferably, the internal perisporium of the jack is in the small tapered surface in the big inner end in outer end, and the taper of jack internal perisporium with
The taper of cone-shaped plug outer circle wall is consistent.The tapered surface of the jack internal perisporium is arranged, and makes cone-shaped plug and the driving of drive rod
The shaft of gear connects the even closer of cooperation, is not in shake gap.
Preferably, the driving device is motor or hand crank.When driving device is motor, which is
Electric elevatable table, when driving device is hand crank, which is hand-operated lifting table.
Preferably, the driving device is motor, the motor is connected on crossbeam, and the output shaft of motor connects
It is connected to driving worm screw, driving turbine is connected on the drive rod, the driving worm screw connect with driving worm gear drive.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model same table.
Fig. 2 is the structural schematic diagram of the crossbeam of the utility model same table.
Fig. 3 is the attachment structure schematic diagram of the drive rod of the utility model same table.
Fig. 4 is A portion enlarged structure schematic diagram of the utility model same table in Fig. 3.
Fig. 5 is B portion enlarged structure schematic diagram of the utility model same table in Fig. 3.
Fig. 6 is the attachment structure schematic diagram of the utility model same table driving device.
Fig. 7 is the driving gear of lead screw elevating mechanism in the cone-shaped plug and table leg of the drive rod of the utility model same table
Shaft attachment structure schematic diagram.
Fig. 8 is the structural schematic diagram of the drive rod of the utility model same table.
It is as shown in the figure:
1, table leg, 2, crossbeam, 200, first crossbeam, 201, second cross beam, 202, fastening screw, 3, drive rod, 300, biography
Lever ontology, 301, transmission tube, 302, locking nut, 303, cone-shaped plug, 304, outer teeth, 4, driving device, 5, shaft coupling,
500, first shaft coupling, 501, second shaft coupling, 6, drive shaft, 7, driving worm gear, 8, driving worm screw, 9, shaft, 900, jack,
901, interior teeth.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5；
A kind of same table of the utility model, it includes desktop, two liftable table legs 1, is connected to two table legs, 1 top
Crossbeam 2 and driving device 4, be equipped with a rotatable drive rod 3 in the crossbeam 2, the driving device 4 is passed for driving
Lever 3 rotates；The screw-threaded shaft elevator structure of 1 adjustable height of an adjusting table leg is equipped in two table legs 1；The driving dress
It sets the first end of 4 drive shaft 6 and the screw-threaded shaft elevator structure in one of table leg 1 is sequentially connected, the second end of drive shaft 6 is logical
The removable connection of first end of shaft coupling 5 Yu drive rod 3 is crossed, the second end of drive rod 3 is set as the big taper in the small inner end in outer end
Screw-threaded shaft elevator structure in plug 303, the cone-shaped plug 303 and another table leg 1 is sequentially connected.The transmission of the same table
One end of bar is coaxially connected by the drive shaft of shaft coupling and driving device, and it is big that the other end of drive rod is set as the small inner end in outer end
Cone-shaped plug, the screw-threaded shaft elevator structure in the cone-shaped plug and another table leg is sequentially connected.When installing drive rod,
First the first end of drive rod is connected by the second end of shaft coupling and drive shaft, it then will be in the second end and table leg of drive rod
Screw-threaded shaft elevator structure transmission connection；Since screw-threaded shaft elevator structure is placed in table leg, drive rod is connect with screw-threaded shaft elevator structure
When it is more inconvenient；And the drive rod of the prior art needs both ends to be all inserted into the screw-threaded shaft elevator structure of table leg and and screw-threaded shaft elevator
Structure transmission connection, the drive rod of the utility model same table only need the screw-threaded shaft elevator structure of one end and table leg to be sequentially connected, separately
One end passes through the driving axis connection of shaft coupling and driving device；Therefore the simpler side of installation of the utility model transmission shaft
Just.
The outer circle wall of the cone-shaped plug 303 is equipped with multiple outer teeth along the distribution of 303 circumferencial direction of cone-shaped plug
304, the cone-shaped plug 303 is plugged in the jack 900 on 9 outer end face of shaft of the driving gear of screw-threaded shaft elevator structure,
Interior teeth 901, outer teeth 304 and the jack 900 of the cone-shaped plug 303 are distributed on the internal perisporium of the jack 900
Interior teeth 901 engage.It, only need to be by drive rod when drive rod is connect with the shaft of the driving gear of lead screw elevating mechanism in table leg
Outer end cone-shaped plug be plugged on the screw-threaded shaft elevator structure in table leg driving rotary gear shaft jack in, without pair
Standard can facilitate insertion；In addition, the outer teeth on cone-shaped plug are engaged with the interior teeth of jack, thus when making drive rod rotation
Drive the rotation of sliding tooth wheel.
The drive rod 3 includes the transmission bar body 300 being coaxially set and transmission tube 301, the transmission bar body
300 one end is slidably fitted in the inner hole of transmission tube 301, and a locking nut 302 is threadedly coupled on transmission tube 301, described
Locking nut 302 be used for be driven between bar body 300 and transmission tube 301 position locking；The cone-shaped plug 303 is arranged
In the outer end of transmission bar body 300, the outer end of the transmission tube 301 connects a first shaft coupling 500, and the of the drive shaft 6
Two ends connect a second shaft coupling 501, and the first shaft coupling 500 and second shaft coupling 501 are coaxially connected.The drive rod
Length is scalable, i.e., when installing drive rod, first transmission bar body is retracted in transmission tube, then by the first of transmission tube outer end
The second shaft coupling of shaft coupling and drive shaft second end is sequentially connected, and finally pulls out transmission bar body, makes to be driven bar body
Cone-shaped plug be plugged on the screw-threaded shaft elevator structure in table leg driving rotary gear shaft jack in；Then locking locking nut makes
The position being driven between bar body and transmission tube locks；The opposing end surface of the first shaft coupling 500 and second shaft coupling 501
On be equipped with the slot and inserted block of matching grafting, the slot and the mating of inserted block make first shaft coupling 500 and the second shaft coupling
Device 501 is limited or is rotated synchronously when circumferencial direction rotates.
The crossbeam 2 includes hollow first crossbeam 200 and second cross beam 201, and the first crossbeam 200 and second is horizontal
The outer end of beam 201 is fixedly connected with the top of two table legs 1 respectively, and the inner end of first crossbeam 200 is mating in second cross beam
In the inner hole of 201 inner ends, and the inner end lateral wall of second cross beam 201 is equipped with the fastening screw 202 of fixed first crossbeam 200.
The crossbeam is two and two crossbeams may be folded on together, not only saves packaging volume, but also the three section crossbeams with the prior art
Compared to saving manufacturing cost.
The driving device 4 is installed therein the top of a table leg 1, and the first end of the drive shaft 6 of driving device 4
It is sequentially connected with the screw-threaded shaft elevator structure in the table leg 1.
The internal perisporium of the jack 900 tapered surface small in the big inner end in outer end, and the taper and taper of 900 internal perisporium of jack
The taper of 303 outer circle wall of plug is consistent.
The driving device 4 is motor or hand crank.When driving device is motor, which is electric up-down
Table, when driving device is hand crank, which is hand-operated lifting table.
The driving device 4 is motor, and the output shaft of the motor, which is connected with, drives worm screw 8, in the drive shaft 6
It is connected with driving worm gear 7, the driving worm screw 8 and driving worm gear 7 are sequentially connected.
The screw-threaded shaft elevator structure and driving gear is the component of the prior art；Wherein screw-threaded shaft elevator structure includes
Lead screw and the driving gear for being connected to lead screw one end；The lifting table leg 1 generally comprises outer tube and inner tube, and inner tube sliding is matched
It closes in the inner hole of outer tube, the lower end of inner tube is connect with pedestal, and the upper end of outer tube and the desktop of same table connect, the sliding tooth
Wheel is connect with the upper end inner wall of outer tube；The lead screw setting is threadedly coupled a pedestal, the base in inner tube, and on lead screw
Seat is fixedly connected with the inner wall of inner tube, and when lead screw rotation, lead screw is relatively moved along the axis direction of pedestal, to realize same table
The outer tube and inner tube OQ t of leg.The end of the lead screw connects a transmission gear, which is conical surface gear, institute
The driving gear stated is engaged with transmission gear, rotates for band nutating gear, lead screw is made to rotate.
Claims (8)
1. a kind of same table, it includes desktop, two liftable table legs, the crossbeam being connected at the top of two table legs and driving dress
It sets, a rotatable drive rod is equipped in the crossbeam, the driving device is for driving drive rod rotation；Described two
The screw-threaded shaft elevator structure of an adjusting table leg adjustable height is equipped in table leg；It is characterized by: the drive shaft of the driving device
First end and one of table leg in screw-threaded shaft elevator structure be sequentially connected, the second end of drive shaft passes through shaft coupling and transmission
The removable connection of the first end of bar, the second end of drive rod are set as the big cone-shaped plug in the small inner end in outer end, and the taper is inserted
Head is sequentially connected with the screw-threaded shaft elevator structure in another table leg.
2. same table according to claim 1, it is characterised in that: the outer circle wall of the cone-shaped plug is equipped with multiple edges
The outer teeth of cone-shaped plug circumferencial direction distribution, the cone-shaped plug are plugged on the shaft of the driving gear of screw-threaded shaft elevator structure
In jack on outer end face, interior teeth, the outer teeth and jack of the cone-shaped plug are distributed on the internal perisporium of the jack
Interior teeth engagement.
3. same table according to claim 1 or 2, it is characterised in that: the drive rod includes the biography being coaxially set
One end of lever ontology and transmission tube, the transmission bar body is slidably fitted in the inner hole of transmission tube, and screw thread on transmission tube
A locking nut is connected, the position locking that the locking nut is used to be driven between bar body and transmission tube；The taper
Plug is arranged in the outer end of transmission bar body, and the outer end of the transmission tube connects a first shaft coupling, and the second of the drive shaft
One second shaft coupling of end connection, the first shaft coupling and second shaft coupling are coaxially connected.
4. same table according to claim 1, it is characterised in that: the crossbeam includes hollow first crossbeam and second
The outer end of crossbeam, the first crossbeam and second cross beam is fixedly connected at the top of two table legs respectively, the inner end of first crossbeam
It is mating in the inner hole of second cross beam inner end, and the inner end lateral wall of second cross beam is equipped with the fastening of fixed first crossbeam
Screw.
5. same table according to claim 1 or 4, it is characterised in that: the driving device is installed therein a table
The top of leg, and the screw-threaded shaft elevator structure in the first end of the drive shaft of driving device and the table leg is sequentially connected.
6. same table according to claim 2, it is characterised in that: the internal perisporium of the jack cone small in the big inner end in outer end
Shape face, and the taper of jack internal perisporium is consistent with the taper of cone-shaped plug outer circle wall.
7. same table according to claim 1, it is characterised in that: the driving device is motor or hand crank.
8. same table according to claim 7, it is characterised in that: the driving device be motor, the motor it is defeated
Shaft is connected with driving worm screw, and driving worm gear, the driving worm screw and driving worm-drive are connected in the drive shaft
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821013669.4U CN209251922U (en) | 2018-06-28 | 2018-06-28 | Same table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821013669.4U CN209251922U (en) | 2018-06-28 | 2018-06-28 | Same table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209251922U true CN209251922U (en) | 2019-08-16 |
Family
ID=67557213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821013669.4U Active CN209251922U (en) | 2018-06-28 | 2018-06-28 | Same table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209251922U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876921A (en) * | 2022-03-30 | 2022-08-09 | 乐歌人体工学科技股份有限公司 | Transmission rod assembly and lifting table thereof |
| WO2022165946A1 (en) * | 2021-02-07 | 2022-08-11 | 德沃康科技集团有限公司 | Synchronous drive device with one electric motor and two drivers |
| WO2023088332A1 (en) * | 2021-11-18 | 2023-05-25 | 永艺家具股份有限公司 | Transmission assembly for furniture power transmission, and lifting table |
| WO2023185532A1 (en) * | 2022-04-02 | 2023-10-05 | 德沃康科技集团有限公司 | Lifting-lowering device |
-
2018
- 2018-06-28 CN CN201821013669.4U patent/CN209251922U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022165946A1 (en) * | 2021-02-07 | 2022-08-11 | 德沃康科技集团有限公司 | Synchronous drive device with one electric motor and two drivers |
| WO2023088332A1 (en) * | 2021-11-18 | 2023-05-25 | 永艺家具股份有限公司 | Transmission assembly for furniture power transmission, and lifting table |
| CN114876921A (en) * | 2022-03-30 | 2022-08-09 | 乐歌人体工学科技股份有限公司 | Transmission rod assembly and lifting table thereof |
| WO2023185532A1 (en) * | 2022-04-02 | 2023-10-05 | 德沃康科技集团有限公司 | Lifting-lowering device |
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