CN108741624B - Double-motor upright-mounted three-section lifting table for round tube - Google Patents
Double-motor upright-mounted three-section lifting table for round tube Download PDFInfo
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- CN108741624B CN108741624B CN201810744515.0A CN201810744515A CN108741624B CN 108741624 B CN108741624 B CN 108741624B CN 201810744515 A CN201810744515 A CN 201810744515A CN 108741624 B CN108741624 B CN 108741624B
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- pipe body
- pipe
- sheath
- connecting piece
- connecting block
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- 230000000149 penetrating effect Effects 0.000 claims description 14
- 230000003028 elevating effect Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B9/00—Tables with tops of variable height
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention provides a double-motor upright round tube three-section lifting table, which comprises: a beam assembly; the end part of the first pipe body is fixedly connected with the beam assembly; the second pipe body is sleeved outside the first pipe body, and an annular first clamping groove is formed in the inner pipe wall at the upper end of the second pipe body; a screw rod disposed in the first tube body; the first sheath is positioned between the first pipe body and the second pipe body and is connected with the second pipe body through the first clamping groove; the pipe body connecting piece is of a two-half structure and clamps the screw rod, the second pipe body is connected with the pipe body connecting piece, and the lower end of the first pipe body corresponds to the upper end face of the pipe body connecting piece. The beneficial effects of the invention are as follows: the lifting tube sheath can be installed without opening holes, damage or deformation of the sheath piece can be effectively avoided, and the lifting tube and the screw rod can be reliably connected together.
Description
Technical Field
The invention belongs to the technical field of lifting tables, and relates to a double-motor three-section lifting table with a positively-installed circular tube.
Background
In the prior art, due to different requirements on the height of the table top, a lifting table exists, the height of the table legs can be adjusted through expansion and contraction, lifting of the table can be achieved through manual operation of a lifting device of the lifting table, but in the actual use process, the lifting of the table is inconvenient through manual operation, and therefore the working efficiency can be reduced.
The current lift table, it has many tubular table legs, wear the table leg that will be less to establish in great table leg, thereby realize the height of oscilaltion desktop, and be provided with the sheath spare between the many table legs of cover setting or the lifter, the sheath spare has played very important effect to the extension and contraction of table leg or lifter, and in the current lift table structure, usually adopted the trompil to make the sheath fix on the interior pipe wall of table leg or lifter, it is neither pleasing to the eye like this, and holistic atress is also very unreasonable, lead to the sheath spare to be fragile or warp, and lifter and lead screw can't reliable link together, can make the lift effect of lift table relatively poor like this.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a double-motor upright round tube three-section lifting table.
The aim of the invention can be achieved by the following technical scheme: a dual-motor upright-mounted three-section lifting table for round tubes, comprising:
a beam assembly;
the end part of the first pipe body is fixedly connected with the beam assembly;
the second pipe body is sleeved outside the first pipe body, and an annular first clamping groove is formed in the inner pipe wall at the upper end of the second pipe body;
a screw rod disposed in the first tube body;
the first sheath is positioned between the first pipe body and the second pipe body and is connected with the second pipe body through the first clamping groove;
the pipe body connecting piece is of a two-half structure and is provided with an inner hole, the screw rod is fixed in the inner hole, the second pipe body is connected with the pipe body connecting piece, and the lower end of the first pipe body corresponds to the upper end face of the pipe body connecting piece.
Preferably, the pipe further comprises a third pipe body and a second sheath, wherein the third pipe body is sleeved outside the second pipe body, an annular second clamping groove is formed in the inner pipe wall at the upper end of the third pipe body, the second sheath is located between the third pipe body and the second pipe body, and the second sheath is connected with the third pipe body through the second clamping groove.
Preferably, the lower end of the first sheath is provided with a first outward-turned buckle, the lower end of the second sheath is provided with a second outward-turned buckle, the first buckle is embedded in the first clamping groove, and the second buckle is embedded in the second clamping groove.
Preferably, the pipe body connecting piece comprises a left connecting block and a right connecting block, wherein the left connecting block and the right connecting block are of semicircular structures and are combined to form the circular pipe body connecting piece.
Preferably, the left connecting block and the right connecting block are respectively provided with a first connecting pin, the screw rod is provided with a first connecting hole, the left connecting block and the right connecting block clamp the screw rod from two sides of the screw rod, and the first connecting pins penetrate through the first connecting holes.
Preferably, the pipe body connecting piece is located in the second pipe body, and a plurality of adjusting pieces are arranged on the second pipe body, and the adjusting pieces are connected with the second pipe body and the pipe body connecting piece.
Preferably, the upper end and the lower end of the adjusting piece are respectively provided with a short pin and a second connecting pin, the pipe body connecting piece is provided with a plurality of second connecting holes, the adjusting piece is arranged on the outer pipe wall of the second pipe body, the short pin is penetrated on the second pipe body, and the second connecting pins sequentially penetrate through the second pipe body and the second connecting holes, so that the second pipe body is fixedly connected with the pipe body connecting piece.
Preferably, the end faces of the two U-shaped ends of the left connecting block and the right connecting block are respectively provided with a penetrating shaft and a penetrating hole, and the penetrating shaft and the penetrating hole on the left connecting block are respectively connected with the penetrating hole and the penetrating shaft on the right connecting block.
Preferably, the pipe body connecting piece is of a hollow structure, and an annular groove is formed in the inner hole wall of the pipe body connecting piece.
Compared with the prior art, the invention has the beneficial effects that:
1. the lifting tube sheath can be installed without opening holes, damage or deformation of the sheath piece can be effectively avoided, and the lifting tube and the screw rod can be reliably connected together.
Drawings
Figure 1 is a cross-sectional view of a round tube three-section leg assembly of the present invention.
Fig. 2 is an enlarged schematic view of a portion a of fig. 1.
Fig. 3 is an exploded view of the three-section structure of the round tube of the present invention.
Fig. 4 is a schematic structural view of a pipe body connector according to the present invention.
Fig. 5 is a schematic view of a double-motor upright round tube three-section lifting table of the invention.
100, a beam assembly; 200. a first tube body; 300. a second tube body; 310. a first clamping groove; 400. a screw rod; 410. a first connection hole; 500. a first sheath; 510. a first buckle; 600. a tube body connector; 610. a left connecting block; 620. a right connecting block; 630. a first connecting pin; 640. a second connection hole; 650. penetrating a shaft; 660. perforating; 700. a third tube body; 710. a second clamping groove; 800. a second sheath; 810. a second buckle; 900. a tab; 910. a short pin; 920. and a second connecting pin.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1, 2, 3, 4 and 5, a dual-motor upright round tube three-section lifting table comprises: the above structure can realize the leg lifting function of the lifting table by the beam assembly 100, the first tube 200, the second tube 300, the screw 400, the first sheath 500, and the tube connector 600.
The beam assembly 100 is a beam of a table top, and further, the beam assembly 100 is a long beam structure, the table top is fixed on the beam assembly 100, and two leg assemblies are provided at two ends of the beam, and each leg assembly comprises a first tube 200, a second tube 300, a screw 400, a first sheath 500 and a tube connector 600.
A first pipe body 200, the end of which is fixedly connected with the beam assembly 100; preferably, the diameter of the first tube body 200 is greater than that of the screw 400 and less than that of the second tube body 300, and the beam assembly 100 is fixed to the upper end of the first tube body 200 and is lifted up and down as the first tube body 200 moves up and down.
The second pipe body 300 is sleeved outside the first pipe body 200, and an annular first clamping groove 310 is formed in the inner pipe wall at the upper end of the second pipe body 300; preferably, the second pipe 300 and the first pipe 200 are in a sleeved relationship, and an annular first clamping groove 310 is formed in the inner wall of the second pipe 300; it should be noted that, the conventional second tube 300 does not have the structure of the first clamping groove 310, but has a plurality of small holes radially disposed.
A screw 400 disposed in the first pipe body 200; preferably, the lead screw 400 has a minimum diameter, and is inserted into the first tube body 200.
A first sheath 500 located between the first pipe 200 and the second pipe 300, and the first sheath 500 is connected to the second pipe 300 through the first clamping groove 310; preferably, the first tube 200 and the second tube 300 are both in a gap, and the first sheath 500 is positioned in the gap, so that the relative movement between the first tube 200 and the second tube 300 can be smoother, and the first tube 200 and the second tube 300 can be supported.
It should be noted that, in the leg assembly of the conventional lifting table, the adjacent lifting tubes are also sheathed, but the mounting structure has defects, by radially arranging small holes on the outer lifting tube, and then arranging the corresponding convex blocks corresponding to the small holes on the corresponding sheath, the convex blocks penetrate the small holes, so that the sheaths are connected, but the connection mode is similar to the mode of selecting a plurality of points on the annular sheath for fixing, when the lifting table is stressed, the convex blocks are easy to deform, and the convex blocks are also easy to break away from the small holes, so that the sheath breaks away from the gap.
In this embodiment, the lower end of the first sheath 500 can be just embedded in the first clamping groove 310, so that the entire annular lower end of the first sheath 500 can be reliably clamped in the annular first clamping groove 310, thereby forming the effect of surface-to-surface contact stress, greatly improving the connection firmness of the first sheath 500, and having the effect of preventing deformation due to the stress between the surfaces, thereby being very reliable.
The pipe body connector 600 is of a two-half structure and has an inner hole, the screw 400 is fixed in the inner hole, the second pipe body 300 is connected with the pipe body connector 600, and the lower end of the first pipe body 200 corresponds to the upper end surface of the pipe body connector 600.
Preferably, the pipe body connector 600 is a split structure in nature, which has two symmetrical halves, and a circular hole, that is, an inner hole, is formed by splicing the two halves together, and the inner hole can clamp the screw 400, that is, fix the screw 400 and the pipe body connector 600 together, and fix the first pipe body 200 and the pipe body connector 600 together, so as to realize the fixed connection between the screw 400 and the first pipe body 200.
It should be noted that, the conventional pipe body connector 600 is of an integral structure, the screw 400 cannot be detached, and the screw 400 is inserted into the connector, and the side portion of the connector is screwed into the screw, so that the middle pipe is connected with the screw 400, which is very troublesome, structurally not ingenious, and inconvenient to detach and install.
In this embodiment, the split structure is adopted, and the two-half pipe body connecting piece 600 is adopted for connection, so that the structure is ingenious, the disassembly is convenient, and the connection effect is very reliable.
As shown in fig. 1, 2, 3 and 5, the present invention further includes a third pipe body 700 and a second sheath 800, where the third pipe body 700 is sleeved outside the second pipe body 300, an annular second clamping groove 710 is formed in an inner pipe wall at an upper end of the third pipe body 700, the second sheath 800 is located between the third pipe body 700 and the second pipe body 300, and the second sheath 800 is connected with the third pipe body 700 through the second clamping groove 710.
Preferably, the third pipe body 700 is further provided, the third pipe body 700 is actually an outer pipe, namely a lifting pipe with the largest diameter, and the third pipe body 700 is the outermost layer in terms of the whole structure, and the second jacket 800 with the supporting structure is required to be arranged between the third pipe body 700 and the second pipe body 300, so that the second clamping groove 710 is also arranged on the inner wall of the third pipe body 700, the effect of surface-to-surface contact stress is formed, the connection firmness of the second jacket 800 is greatly improved, and the effect of deformation prevention is achieved due to the stress between the surfaces, so that the connection is very reliable.
As shown in fig. 1 and 2, on the basis of the above embodiment, the lower end of the first sheath 500 has a first buckle 510 turned outwards, the lower end of the second sheath 800 has a second buckle 810 turned outwards, the first buckle 510 is embedded in the first clamping groove 310, and the second buckle 810 is embedded in the second clamping groove 710.
Preferably, the first sheath 500 and the second sheath 800 have the same structure, and only have different adaptive diameters, the first sheath 500 and the second sheath 800 are both in ring-shaped structures, and have an end at the upper end in the axial direction for abutting against the upper end of the pipe body, while the first buckle 510 and the second buckle 810 are respectively embedded in the first clamping groove 310 and the second clamping groove 710, and the first buckle 510 and the second buckle 810 are preferably wedge-shaped heads, so as to facilitate embedding in the clamping grooves.
As shown in fig. 1, 3 and 4, the pipe body connector 600 includes a left connection block 610 and a right connection block 620, and the left connection block 610 and the right connection block 620 are both in a semicircular structure and are combined to form the circular pipe body connector 600.
Preferably, the left connection block 610 and the right connection block 620 are semi-circular, and can be spliced together, and the pipe body connecting piece 600 with the structure is different from the traditional integrated structure, so that the assembly and disassembly are more convenient, and the screw rod 400 can be very reliably fixed.
As shown in fig. 1, 3 and 4, in the above embodiment, the left connection block 610 and the right connection block 620 are provided with first connection pins 630, the screw 400 is provided with first connection holes 410, the left connection block 610 and the right connection block 620 clamp the screw 400 from two sides of the screw 400, and the first connection pins 630 are inserted into the first connection holes 410.
Preferably, the left and right connection blocks 620 have a semicircular ring structure, and the first connection pins 630 are provided at the positions of the inner arc surfaces thereof to face the center direction, so that the left and right connection blocks 620 can clamp the screw 400 from the left and right sides and simultaneously fix the screw 400 with the first connection holes 410 through the first connection pins 630, thereby conveniently and rapidly firmly connecting the screw 400 in the inner hole of the pipe body connector 600.
As shown in fig. 1, 3 and 4, the pipe body connector 600 is located in the second pipe body 300, and a plurality of adjusting pieces 900 are disposed on the second pipe body 300, and the adjusting pieces 900 are connected with the second pipe body 300 and the pipe body connector 600.
The adjusting piece 900 is a strip-shaped sheet structure, and the adjusting piece 900 has an inner arc surface attached to the second pipe body 300, and the adjusting piece 900 can be connected with the pipe body connecting piece 600 and the second pipe body 300 at the same time, so that the fixing installation can be realized without using screws.
As shown in fig. 1, 3 and 4, on the basis of the above embodiment, the upper and lower ends of the adjusting plate 900 are respectively provided with a short pin 910 and a second connection pin 920, the pipe body connector 600 is provided with a plurality of second connection holes 640, the adjusting plate 900 is disposed on the outer pipe wall of the second pipe body 300, the short pin 910 is inserted into the second pipe body 300, and the second connection pin 920 sequentially passes through the second pipe body 300 and the second connection holes 640, so that the second pipe body 300 is fixedly connected with the pipe body connector 600.
Preferably, the adjusting bar is actually provided with a short pin 910 and a second connecting pin 920 at the upper and lower ends of the inner arc surface, the short pin 910 is used to connect the second pipe body 300 with the adjusting piece 900, and the second connecting pin 920 simultaneously passes through the second pipe body 300 and the second connecting hole 640 formed on the pipe body connecting piece 600, so as to fix the second pipe body 300 with the pipe body connecting piece 600, and the fixing manner does not need screws, and is convenient to install and detach.
It should be noted that through holes corresponding to the short pins 910 and the second connection pins 920 are formed on the pipe wall of the second pipe body 300, and the number of the adjusting pieces 900 is preferably 4, and 2 second connection holes 640 are respectively formed on the left connection block 610 and the right connection block 620, so that reliable fixed installation is achieved.
As shown in fig. 1, 3 and 4, in the above embodiment, the end surfaces of the two U-shaped ends of the left connection block 610 and the right connection block 620 are respectively provided with a through shaft 650 and a through hole 660, and the through shaft 650 and the through hole 660 on the left connection block 610 are respectively connected with the through hole 660 and the through shaft 650 on the right connection block 620.
Preferably, the left connection block 610 and the right connection block 620 can be spliced and fixed together, and the fixed connection of the left connection block 610 and the right connection block 620 is fixed together through the through shaft 650 and the through hole 660, in more detail, the through shaft 650 on the left connection block 610 is arranged in the through hole 660 on the right connection block 620, and the through shaft 650 on the right connection block 620 is arranged in the through hole 660 on the left connection block 610 in a penetrating manner, so that reliable installation of the left connection block and the right connection block can be realized, and the disassembly is convenient.
As shown in fig. 3 and 4, in the above embodiment, the pipe body connector 600 has a hollow structure, and the inner hole wall of the pipe body connector 600 is provided with an annular groove, preferably, the second connecting hole 640 is conveniently provided.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (5)
1. The utility model provides a three sections elevating tables of double motor normal dress pipe which characterized in that includes:
a beam assembly;
the end part of the first pipe body is fixedly connected with the beam assembly;
the second pipe body is sleeved outside the first pipe body, and an annular first clamping groove is formed in the inner pipe wall at the upper end of the second pipe body;
a screw rod disposed in the first tube body;
the first sheath is positioned between the first pipe body and the second pipe body and is connected with the second pipe body through the first clamping groove;
the pipe body connecting piece is of a two-half structure and is provided with an inner hole, the lead screw is fixed in the inner hole, the second pipe body is connected with the pipe body connecting piece, and the lower end of the first pipe body corresponds to the upper end face of the pipe body connecting piece;
the novel pipe comprises a first pipe body, a second pipe body and a second sheath, wherein the first pipe body is sleeved outside the first pipe body, an annular second clamping groove is formed in the inner pipe wall at the upper end of the first pipe body, the second sheath is positioned between the first pipe body and the second pipe body, and the second sheath is connected with the first pipe body through the second clamping groove;
the lower end of the first sheath is provided with a first outward-turned buckle, the lower end of the second sheath is provided with a second outward-turned buckle, the first buckle is embedded in the first clamping groove, the second buckle is embedded in the second clamping groove, and the first buckle and the second buckle are wedge-shaped heads;
the pipe body connecting piece is positioned in the second pipe body, a plurality of adjusting sheets are arranged on the second pipe body, and the adjusting sheets are connected with the second pipe body and the pipe body connecting piece;
the upper end and the lower end of the adjusting piece are respectively provided with a short pin and a second connecting pin, the pipe body connecting piece is provided with a plurality of second connecting holes, the adjusting piece is arranged on the outer pipe wall of the second pipe body, the short pin penetrates through the second pipe body, the second connecting pins penetrate through the second pipe body and the second connecting holes in sequence, and therefore the second pipe body is fixedly connected with the pipe body connecting piece.
2. The double-motor upright round tube three-section lifting table as defined in claim 1, wherein: the pipe body connecting piece comprises a left connecting block and a right connecting block, wherein the left connecting block and the right connecting block are of semicircular structures and are combined to form the circular pipe body connecting piece.
3. The double-motor upright round tube three-section lifting table as defined in claim 2, wherein: the left connecting block and the right connecting block are respectively provided with a first connecting pin, a first connecting hole is formed in the screw rod, the screw rod is clamped by the left connecting block and the right connecting block from two sides of the screw rod, and the first connecting pins penetrate through the first connecting holes.
4. A dual-motor positive-fit round tube three-section lifting table as recited in claim 3, wherein: the end faces of the two U-shaped ends of the left connecting block and the right connecting block are respectively provided with a penetrating shaft and a penetrating hole, and the penetrating shaft and the penetrating hole on the left connecting block are respectively connected with the penetrating hole and the penetrating shaft on the right connecting block.
5. The double-motor upright round tube three-section lifting table as defined in claim 4, wherein: the pipe body connecting piece is of a hollow structure, and an annular groove is formed in the inner hole wall of the pipe body connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810744515.0A CN108741624B (en) | 2018-07-09 | 2018-07-09 | Double-motor upright-mounted three-section lifting table for round tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810744515.0A CN108741624B (en) | 2018-07-09 | 2018-07-09 | Double-motor upright-mounted three-section lifting table for round tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108741624A CN108741624A (en) | 2018-11-06 |
| CN108741624B true CN108741624B (en) | 2024-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810744515.0A Active CN108741624B (en) | 2018-07-09 | 2018-07-09 | Double-motor upright-mounted three-section lifting table for round tube |
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| CN (1) | CN108741624B (en) |
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| CN208972783U (en) * | 2018-07-09 | 2019-06-14 | 宁波汇五洲智能科技有限公司 | A kind of three section same table of bi-motor formal dress round tube |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101890696B1 (en) * | 2016-07-28 | 2018-08-24 | 한국생산기술연구원 | 3-step adjustable frame |
| TWM539274U (en) * | 2017-01-17 | 2017-04-11 | Timotion Technology Co Ltd | Telescopic column structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10065247A1 (en) * | 2000-12-29 | 2002-07-04 | Lion Rock Trading Far East Ltd | Telescopic leg for small item of furniture comprises outer, metallic tube with guide bush mounted in its top end, in which inner tube slides, outer tube having peripheral groove into which collar on bush fits |
| CN201630555U (en) * | 2010-03-26 | 2010-11-17 | 漳州建晟家具有限公司 | Free lifting table |
| DE202011103745U1 (en) * | 2010-07-27 | 2012-01-17 | Linak A/S | linear actuator |
| EP2594157A2 (en) * | 2011-11-16 | 2013-05-22 | Paul Hettich GmbH & Co. KG | Telescopic lifting column of a piece of furniture |
| DE202014104002U1 (en) * | 2014-08-27 | 2015-11-30 | Excellentia Möbel Handelsagentur GmbH | Arrangement for displacing a tabletop and telescopic guide for height adjustment of a tabletop |
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| CN108741624A (en) | 2018-11-06 |
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