CN108741632B - Liftable adjustable table post - Google Patents
Liftable adjustable table post Download PDFInfo
- Publication number
- CN108741632B CN108741632B CN201810789403.7A CN201810789403A CN108741632B CN 108741632 B CN108741632 B CN 108741632B CN 201810789403 A CN201810789403 A CN 201810789403A CN 108741632 B CN108741632 B CN 108741632B
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- screw
- upright post
- tube
- screw rod
- pipe
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- 125000006850 spacer group Chemical group 0.000 claims description 26
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- 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
- A47B13/00—Details of tables or desks
- A47B13/02—Underframes
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- 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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Abstract
The invention discloses a lifting adjustable table post, which comprises a column outer tube, a column middle tube, a screw outer tube, a screw inner tube, an outer screw, an inner screw, an outer screw nut, an inner screw nut, a motor box and a driving motor, wherein the column outer tube is provided with a lifting seat; the driving motor is arranged in the motor box; the upper end of the outer screw rod is connected with a first bearing; one end of the first bearing is connected with the inner lead screw nut; the inner screw is also connected with an inner screw guide block which is connected with the outer screw; one end of the screw outer tube is connected with the inner screw nut, and the other end is connected with the upright post middle tube through a screw outer tube fixing seat; one end of the screw inner tube is connected with the outer screw nut, the other end of the screw inner tube is connected with a screw inner tube fixing seat, and the upright post outer tube is connected with the screw inner tube fixing seat through a connecting plate; therefore, the lifting transmission is more stable, the stress of the inner screw nut and the outer screw nut is more uniform, the fatigue degree is slowed down, the service life is prolonged, and the lifting transmission device is ingenious in structural design, reasonable in overall layout and simple and convenient to install.
Description
Technical Field
The invention relates to the technical field of office tables, in particular to a lifting adjustable type table column.
Background
The office desk is very common office equipment in offices, but most office desks are fixed and cannot be adjusted, and cannot adapt to the office environment and the change of demands of users, so that the office staff is easy to feel tired in the office process, and office resources cannot be effectively utilized, so that the adjustable office desks appear. The adjustable desk among the prior art is mostly adjusted in order to realize the over-and-under type of desk through motor drive lead screw, because its structural design rationality is poor, leads to it to have that the transmission of elevation structure is unstable, linkage structure's atress is too big, easily appear tired scheduling problem. And, current lift adjustment formula table post structure, it has defects such as installation trouble, has limited manufacturing process efficiency.
Therefore, a new technology is required to be developed to solve the above-mentioned problems.
Disclosure of Invention
In view of the above, the invention aims at overcoming the defects of the prior art, and mainly aims to provide a lifting adjustable table post which is reasonable in structural design and is capable of solving the problems of unstable transmission of a lifting structure, overlarge stress of a linkage structure, easy occurrence of fatigue and the like.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a liftable and adjustable table post comprises a post outer pipe, a post middle pipe, a screw outer pipe, a screw inner pipe, an outer screw, an inner screw, an outer screw nut, an inner screw nut, a motor box and a driving motor;
the driving motor is arranged in the motor box; one end of the inner screw rod is connected with the driving motor, and the other end of the inner screw rod is positioned in the outer screw rod; the outer screw rod pipe is coated outside the inner screw rod pipe, the middle upright post pipe is coated outside the outer screw rod pipe, the outer upright post pipe is coated outside the middle upright post pipe, the outer screw rod nut is sleeved outside the outer screw rod, and the inner screw rod nut is sleeved outside the inner screw rod; the upper end of the outer screw rod is connected with a first bearing; one end of the first bearing is connected with the inner screw nut, and the other end of the first bearing is positioned above the outer screw nut; the inner screw is also connected with an inner screw guide block which is connected with the outer screw in a linkage way so as to enable the outer screw, the inner screw guide block and the inner screw to synchronously rotate;
one end of the screw outer tube is connected with the inner screw nut, and the other end is connected with the upright post middle tube through a screw outer tube fixing seat; one end of the screw inner tube is connected with the outer screw nut, the other end of the screw inner tube is connected with a screw inner tube fixing seat, and the upright post outer tube is connected with the screw inner tube fixing seat through a connecting plate;
when the table post is adjusted in a lifting mode, the driving motor drives the inner screw rod to rotate, the inner screw rod drives the inner screw rod nut to move up and down relative to the motor box along the inner screw rod, the inner screw rod nut is linked with the screw rod outer tube to move up and down relative to the motor box, and the screw rod outer tube is linked with the upright post middle tube through the screw rod outer tube fixing seat to synchronously move up and down relative to the motor box; simultaneously, the inner screw drives the inner screw guide block to rotate, the inner screw guide block drives the outer screw to rotate, the outer screw drives the outer screw nut to move up and down along the outer screw relative to the motor box, the outer screw nut is linked with the inner screw pipe to move up and down relative to the motor box, and the inner screw pipe is linked with the outer screw pipe to move up and down synchronously relative to the motor box through the inner screw pipe fixing seat and the connecting plate.
As a preferable scheme, a stand column inner pipe is further arranged in the stand column middle pipe, the stand column inner pipe is coated outside the screw rod outer pipe, and one end of the stand column inner pipe is connected to the motor box.
As a preferable scheme, the first bearing is arranged on a first bearing fixing seat; the upper end of the outer screw rod is provided with an annular limiting groove, and the upper end and the lower end of the annular limiting groove are respectively provided with a first limiting surface and a second limiting surface; the upper end and the lower end of the first bearing are respectively abutted against the first limiting surface and the second limiting surface; the outer side wall of the first bearing is exposed out of the annular limiting groove, the inner side of the first bearing fixing seat is provided with a positioning step, and the outer side wall of the first bearing is positioned at the positioning step; the upper end of the first bearing fixing seat is fixedly connected with the inner screw nut, and the lower end of the first bearing fixing seat is positioned above the outer screw nut.
As a preferable scheme, one end of the inner screw rod is connected with a second bearing, and the second bearing is arranged on a second bearing fixing seat; one end of the second bearing fixing seat is connected in the motor box, and the other end of the second bearing fixing seat is abutted against the inner screw nut.
As a preferable scheme, one end of the inner screw is also connected with a screw chuck, a screw assembly fixing plate is arranged outside the screw chuck, and the screw assembly fixing plate is arranged in the motor box; the screw assembly fixing plate is provided with a through hole, one end of the screw chuck is positioned in the motor box, and the other end of the screw chuck penetrates through the through hole and is abutted to the second bearing.
As a preferable scheme, one end of the outer tube of the upright post is connected with a first upright post spacer frame, and the outer side wall and the inner side wall of the first upright post spacer frame are respectively attached to the inner side wall of the outer tube of the upright post and the outer side wall of the middle tube of the upright post;
one end of the upright post middle pipe is connected with a second upright post spacer frame, and the outer side wall and the inner side wall of the second upright post spacer frame are respectively attached to the inner side wall of the upright post middle pipe and the outer side wall of the upright post inner pipe.
As a preferable scheme, the outer side wall of the screw guide block is provided with a plurality of guide convex strips, correspondingly, the inner side wall of the outer screw is provided with a plurality of guide grooves, and the guide convex strips are adapted to the corresponding guide grooves.
As a preferred scheme, one end of outer lead screw is connected with outer lead screw and ends logical piece, and outer lead screw ends logical piece including interconnect's first part, second part, and first part, second part all have first link, second link, and first link, second link are connecting hole, spliced pole respectively, and the spliced pole adaptation is in corresponding connecting hole.
As a preferable scheme, one end of the upright post inner pipe is connected with two first upright post long spacing pieces and two first upright post short spacing pieces, the two first upright post long spacing pieces and the two first upright post short spacing pieces are all arranged on the outer side of the upright post inner pipe, and the first upright post long spacing pieces and the first upright post short spacing pieces are alternately arranged on the upright post inner pipe.
As a preferable scheme, one end of the upright middle tube connected with the screw outer tube fixing seat is connected with two second upright long spacing pieces and two second upright short spacing pieces, the two second upright long spacing pieces and the two second upright short spacing pieces are all arranged on the outer side of the upright middle tube, and the second upright long spacing pieces and the second upright short spacing pieces are alternately arranged on the upright middle tube; and positioning clamping columns are correspondingly arranged on one sides of the two second upright post long spacing pieces and the two second upright post short spacing pieces, and pass through the middle upright post pipe to be clamped into the clamping holes of the screw outer pipe fixing seat.
Compared with the prior art, the invention has obvious advantages and beneficial effects, in particular, the technical scheme is that the inner screw nut is driven to move on the outer screw rod by the movement of the inner screw rod linkage inner screw nut, so that the inner screw nut drives the middle tube of the screw rod outer tube linkage upright post, and the outer screw nut drives the screw rod inner tube linkage upright post outer tube to synchronously realize lifting, thereby ensuring that the lifting transmission is more stable, the lifting adjustment is smoother, the phenomenon of blocking does not occur, the adjustment precision is higher, the stress of the inner screw nut and the outer screw nut is more uniform, the fatigue degree is slowed down, the service life is prolonged, and in particular, the invention has smart structural design, reasonable overall layout and simple installation.
In order to more clearly illustrate the structural features, technical means, and specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and the specific embodiments.
Drawings
FIG. 1 is a schematic view of the whole structure (folded state) of an embodiment of the present invention;
FIG. 2 is an exploded view of an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view (collapsed state) of an embodiment of the present invention;
FIG. 4 is a partial schematic view of the structure of FIG. 3;
FIG. 5 is a schematic view of another portion of the structure of FIG. 3;
FIG. 6 is a schematic diagram of an embodiment of the present invention in an open state;
FIG. 7 is a partially exploded view of an embodiment of the present invention.
The attached drawings are used for identifying and describing:
1. column outer tube 2, column middle tube
3. Column inner tube 4, screw outer tube
5. Screw inner tube 6, outer screw
7. Inner screw 8, outer screw nut
9. Inner screw nut 10 and motor box
11. Drive motor 12, second bearing
13. First bearing 14 and second bearing fixing seat
15. First bearing holder 16, screw chuck
17. Screw assembly fixing plate 171, through hole
18. First column spacer 19 and second column spacer
20. Inner screw guide block 21 and outer screw stop block
22. First column long spacer 23 and second column long spacer
24. First column short spacer 25 and second column short spacer
26. Screw outer tube fixing seat 261 and clamping hole
27. Screw inner tube fixing seat 28, connecting plate
101. Motor cover 201, guide rib
202. Positioning clamp column 601 and annular limiting groove
602. A guide groove.
Detailed Description
Referring to fig. 1 to 7, specific structures of embodiments of the present invention are shown; the novel desk is mainly applied to office tables, but is not limited to office tables, and can be also applied to tables such as study tables and dining tables.
It should be noted that, in the following description, the directions or positional relationships indicated by the terms "upper", "lower", etc. are based on the directions or positional relationships shown in the drawings, and are merely for convenience in describing the technical solutions of the present invention and for simplifying the description, and are not meant to indicate or imply that the devices or elements referred to must have a specific orientation or be configured and operated in a specific orientation, and thus, the present invention should not be construed as being limited thereto.
The lifting adjustable table column comprises a column outer tube 1, a column middle tube 2, a screw outer tube 4, a screw inner tube 5, an outer screw 6, an inner screw 7, an outer screw nut 8, an inner screw nut 9, a motor box 10 and a driving motor 11; the drive motor 11 is mounted in a motor case 10, and the motor case 10 has a motor cover 101; one end of the inner screw rod 7 is connected with the driving motor 11, and the other end is positioned in the outer screw rod 6; the screw outer tube 4 is coated outside the screw inner tube 5, the upright post middle tube 2 is coated outside the screw outer tube 4, the upright post outer tube 1 is coated outside the upright post middle tube 2, the outer screw nut 8 is sleeved outside the outer screw 6, and the inner screw nut 9 is sleeved outside the inner screw 7; the upper end of the outer screw rod 6 is connected with a first bearing 13; one end of the first bearing 13 is connected to the inner screw nut 9, and the other end is positioned above the outer screw nut 8; the inner screw rod 7 is also connected with an inner screw rod guide block 20, and the inner screw rod guide block 20 is connected with the outer screw rod 6 in a linkage way so as to enable the outer screw rod 6, the inner screw rod guide block 20 and the inner screw rod 7 to synchronously rotate; the upright post middle tube 2 is internally provided with an upright post inner tube 3, the upright post inner tube 3 is coated outside the screw rod outer tube 4, the first end of the upright post inner tube 3 is connected with the motor box 10, and in the embodiment, the upright post inner tube 3 is integrally connected with the motor box 10; one end of the screw outer tube 4 is connected with the inner screw nut 9, and the other end is connected with the upright post middle tube 2 through a screw outer tube fixing seat 26; the first end of the screw inner tube 5 is connected to the outer screw nut 8, the second end is connected to a screw inner tube fixing base 27, and the column outer tube 1 is connected to the screw inner tube fixing base 27 through a connecting plate 28.
Wherein, the upper end of the inner screw rod 7 is connected with a second bearing 12, and the second bearing 12 is arranged on a second bearing fixing seat 14; one end of the second bearing fixing seat 14 is connected in the motor box 10, and the other end is abutted against the inner lead screw nut 9; the upper end of the inner screw rod 7 is also connected with a screw rod chuck 16, a screw rod assembly fixing plate 17 is arranged outside the screw rod chuck 16, and the screw rod assembly fixing plate 17 is arranged in the motor box 10; the screw assembly fixing plate 17 is provided with a through hole 171, and one end of the screw chuck 16 is located in the motor case 10, and the other end thereof passes through the through hole 171 to abut against the second bearing 12.
The first bearing 13 is mounted on a first bearing fixing seat 15; an annular limiting groove 601 is formed in the upper end of the outer screw rod 6, and a first limiting surface and a second limiting surface are respectively arranged at the upper end and the lower end of the annular limiting groove 601; the upper end and the lower end of the first bearing 13 are respectively abutted against the first limiting surface and the second limiting surface; the outer side wall of the first bearing 13 is exposed out of the annular limiting groove 601, the inner side of the first bearing fixing seat 15 is provided with a positioning step, and the outer side wall of the first bearing 13 is positioned at the positioning step; the upper end of the first bearing fixing seat 15 is fixedly connected to the inner screw nut 9, and the lower end is positioned above the outer screw nut 8. Thereby, the linkage between the inner screw nut 9 and the outer screw 6 is ensured, so as to ensure the synchronous movement of the inner screw nut 9 and the outer screw 6 along the same track when lifting up and down.
The upper end of the upright post outer tube 1 is connected with a first upright post spacer frame 18, and the outer side wall and the inner side wall of the first upright post spacer frame 18 are respectively attached to the inner side wall of the upright post outer tube 1 and the outer side wall of the upright post middle tube 2; the upper end of the upright post middle tube 2 is connected with a second upright post spacer frame 19, and the outer side wall and the inner side wall of the second upright post spacer frame 19 are respectively attached to the inner side wall of the upright post middle tube 2 and the outer side wall of the upright post inner tube 3. Here, the first column spacer frame 18 and the second column spacer frame 19 can effectively ensure the intervals among the column outer tube 1, the column middle tube 2 and the column inner tube 3, thereby being beneficial to lifting of the table column.
In this embodiment, preferably, the inner screw guide block 20 is connected to the lower end of the inner screw 7, so that the stroke of the outer screw 6 relative to the inner screw 7 is long enough to avoid wasting the length of the screw; the outer side wall of the inner screw guide block 20 is provided with a plurality of guide convex strips 201, correspondingly, the inner side wall of the outer screw 6 is provided with a plurality of guide grooves 602, and the guide convex strips 201 are fit into the corresponding guide grooves 602; the plurality of guide convex strips 201 are vertically arranged on the outer side of the inner screw guide block 20 in a protruding mode, and the plurality of guide grooves 602 are vertically arranged on the inner side of the outer screw 6 in a recessed mode.
And the lower end of the outer screw rod 6 is connected with an outer screw rod through stopping block 21, the outer screw rod through stopping block 21 comprises a first part and a second part which are mutually connected, the first part and the second part are respectively provided with a first connecting end and a second connecting end, the first connecting end and the second connecting end are respectively a connecting hole and a connecting column, and the connecting column is adapted to the corresponding connecting holes.
In addition, in the present embodiment, the upper end of the inner pillar pipe 3 is connected with two first long pillar spacers 22 and two first short pillar spacers 24, the two first long pillar spacers 22 and the two first short pillar spacers 24 are all mounted on the outer side of the inner pillar pipe 3, and the first long pillar spacers 22 and the first short pillar spacers 24 are alternately arranged on the inner pillar pipe 3; one end of the upright middle tube 2 connected with the screw outer tube fixing seat 26 is connected with two second upright long spacing pieces 23 and two second upright short spacing pieces 25, the two second upright long spacing pieces 23 and the two second upright short spacing pieces 25 are all arranged on the outer side of the upright middle tube 2, and the second upright long spacing pieces 23 and the second upright short spacing pieces 25 are alternately arranged on the upright middle tube 2; the two second upright long spacing pieces 23 and one side of the two second upright short spacing pieces 25 are respectively provided with a positioning clamping column 202, and the positioning clamping columns 202 are clamped into clamping holes 261 of the screw outer tube fixing seat 26 from passing through the upright middle tube 2. By the arrangement of the two first upright long spacing pieces 22, the two first upright short spacing pieces 24, the two second upright long spacing pieces 23 and the two second upright short spacing pieces 25, the spacing among the upright outer pipe 1, the upright middle pipe 2 and the upright inner pipe 3 can be effectively maintained, so that the lifting of the table column is facilitated; and, through the clamping hole 261 of locating clip post 202 clamping in lead screw outer tube fixing base 26, can make stand center tube 2 and lead screw outer tube 4 firm location link together in order to go up and down jointly, simultaneously, this buckle formula location simple structure, simple installation.
The working principle is approximately as follows:
when the table post is adjusted in a lifting mode, the driving motor 11 drives the inner lead screw 7 to rotate, the inner lead screw 7 drives the inner lead screw nut 9 to move up and down along the inner lead screw 7 relative to the motor box 10, the inner lead screw nut 9 links the lead screw outer tube 4 to move up and down relative to the motor box 10, and the lead screw outer tube 4 links the upright post middle tube 2 to move up and down synchronously relative to the motor box 10 through the lead screw outer tube fixing seat 26; simultaneously, the inner screw rod 7 drives the inner screw rod guide block 20 to rotate, the inner screw rod guide block 20 drives the outer screw rod 6 to rotate, the outer screw rod 6 drives the outer screw rod nut 8 to move up and down along the outer screw rod 6 relative to the motor box 10, the outer screw rod nut 8 links the screw rod inner tube 5 to move up and down relative to the motor box 10, and the screw rod inner tube 5 links the upright post outer tube 1 to move up and down synchronously relative to the motor box 10 through the screw rod inner tube fixing seat 27 and the connecting plate 28.
In summary, the design key point of the invention is that the inner screw rod is linked with the inner screw rod nut to move so as to drive the outer screw rod nut to move on the outer screw rod, so that the inner screw rod nut drives the middle tube of the screw rod outer tube linkage upright post, and the outer screw rod nut drives the inner tube of the screw rod inner tube linkage upright post to synchronously realize lifting, thereby ensuring that the lifting transmission is more stable, the lifting adjustment is smoother, the phenomenon of locking can not occur, the adjustment precision is higher, the stress of the inner screw rod nut and the outer screw rod nut is more uniform, the fatigue degree is slowed down, the service life is prolonged, and the invention has smart structural design, reasonable overall layout and simple installation.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present invention are still within the scope of the technical solutions of the present invention.
Claims (8)
1. A liftable adjustable table post which is characterized in that: the device comprises a column outer tube, a column middle tube, a screw outer tube, a screw inner tube, an outer screw, an inner screw, an outer screw nut, an inner screw nut, a motor box and a driving motor;
the driving motor is arranged in the motor box; one end of the inner screw rod is connected with the driving motor, and the other end of the inner screw rod is positioned in the outer screw rod; the outer screw rod pipe is coated outside the inner screw rod pipe, the middle upright post pipe is coated outside the outer screw rod pipe, the outer upright post pipe is coated outside the middle upright post pipe, the outer screw rod nut is sleeved outside the outer screw rod, and the inner screw rod nut is sleeved outside the inner screw rod; the upper end of the outer screw rod is connected with a first bearing; one end of the first bearing is connected with the inner screw nut, and the other end of the first bearing is positioned above the outer screw nut; the inner screw is also connected with an inner screw guide block which is connected with the outer screw in a linkage way so as to enable the outer screw, the inner screw guide block and the inner screw to synchronously rotate;
one end of the screw outer tube is connected with the inner screw nut, and the other end is connected with the upright post middle tube through a screw outer tube fixing seat; one end of the screw inner tube is connected with the outer screw nut, the other end of the screw inner tube is connected with a screw inner tube fixing seat, and the upright post outer tube is connected with the screw inner tube fixing seat through a connecting plate;
when the table post is adjusted in a lifting mode, the driving motor drives the inner screw rod to rotate, the inner screw rod drives the inner screw rod nut to move up and down relative to the motor box along the inner screw rod, the inner screw rod nut is linked with the screw rod outer tube to move up and down relative to the motor box, and the screw rod outer tube is linked with the upright post middle tube through the screw rod outer tube fixing seat to synchronously move up and down relative to the motor box; simultaneously, the inner screw drives the inner screw guide block to rotate, the inner screw guide block drives the outer screw to rotate, the outer screw drives the outer screw nut to move up and down along the outer screw relative to the motor box, the outer screw nut links the inner screw pipe to move up and down relative to the motor box, and the inner screw pipe links the outer upright post pipe to move up and down synchronously relative to the motor box through the inner screw pipe fixing seat and the connecting plate;
the inner tube of the upright post is also arranged in the middle tube of the upright post, the inner tube of the upright post is coated outside the outer tube of the screw rod, and one end of the inner tube of the upright post is connected with the motor box;
one end of outer lead screw is connected with outer lead screw and ends logical piece, and outer lead screw ends logical piece including interconnect's first part, second part, and first part, second part all have first link, second link, and first link, second link are connecting hole, spliced pole respectively, and the spliced pole adaptation is in corresponding connecting hole.
2. The liftable and adjustable table post of claim 1, wherein: the first bearing is arranged on a first bearing fixing seat; the upper end of the outer screw rod is provided with an annular limiting groove, and the upper end and the lower end of the annular limiting groove are respectively provided with a first limiting surface and a second limiting surface; the upper end and the lower end of the first bearing are respectively abutted against the first limiting surface and the second limiting surface; the outer side wall of the first bearing is exposed out of the annular limiting groove, the inner side of the first bearing fixing seat is provided with a positioning step, and the outer side wall of the first bearing is positioned at the positioning step; the upper end of the first bearing fixing seat is fixedly connected with the inner screw nut, and the lower end of the first bearing fixing seat is positioned above the outer screw nut.
3. The liftable and adjustable table post of claim 1, wherein: one end of the inner screw rod is connected with a second bearing, and the second bearing is arranged on a second bearing fixing seat; one end of the second bearing fixing seat is connected in the motor box, and the other end of the second bearing fixing seat is abutted against the inner screw nut.
4. A liftable and adjustable table post according to claim 3, wherein: one end of the inner screw is also connected with a screw chuck, a screw assembly fixing plate is arranged outside the screw chuck, and the screw assembly fixing plate is arranged in the motor box; the screw assembly fixing plate is provided with a through hole, one end of the screw chuck is positioned in the motor box, and the other end of the screw chuck penetrates through the through hole and is abutted to the second bearing.
5. The liftable and adjustable table post of claim 1, wherein: one end of the outer tube of the upright post is connected with a first upright post spacer frame, and the outer side wall and the inner side wall of the first upright post spacer frame are respectively attached to the inner side wall of the outer tube of the upright post and the outer side wall of the middle tube of the upright post;
one end of the upright post middle pipe is connected with a second upright post spacer frame, and the outer side wall and the inner side wall of the second upright post spacer frame are respectively attached to the inner side wall of the upright post middle pipe and the outer side wall of the upright post inner pipe.
6. The liftable and adjustable table post of claim 1, wherein: the outer side wall of the lead screw guide block is provided with a plurality of guide convex strips, and correspondingly, the inner side wall of the outer lead screw is provided with a plurality of guide grooves, and the guide convex strips are adapted to the corresponding guide grooves.
7. The liftable and adjustable table post of claim 1, wherein: one end of the upright post inner pipe is connected with two first upright post long spacing pieces and two first upright post short spacing pieces, the two first upright post long spacing pieces and the two first upright post short spacing pieces are all arranged on the outer side of the upright post inner pipe, and the first upright post long spacing pieces and the first upright post short spacing pieces are alternately arranged on the upright post inner pipe.
8. The liftable and adjustable table post of claim 1, wherein: one end of the upright middle pipe connected with the screw outer pipe fixing seat is connected with two second upright long spacing pieces and two second upright short spacing pieces, the two second upright long spacing pieces and the two second upright short spacing pieces are all arranged on the outer side of the upright middle pipe, and the second upright long spacing pieces and the second upright short spacing pieces are alternately arranged on the upright middle pipe; and positioning clamping columns are correspondingly arranged on one sides of the two second upright post long spacing pieces and the two second upright post short spacing pieces, and pass through the middle upright post pipe to be clamped into the clamping holes of the screw outer pipe fixing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810789403.7A CN108741632B (en) | 2018-07-18 | 2018-07-18 | Liftable adjustable table post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810789403.7A CN108741632B (en) | 2018-07-18 | 2018-07-18 | Liftable adjustable table post |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108741632A CN108741632A (en) | 2018-11-06 |
| CN108741632B true CN108741632B (en) | 2024-01-30 |
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ID=63970159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810789403.7A Active CN108741632B (en) | 2018-07-18 | 2018-07-18 | Liftable adjustable table post |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108741632B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109288243A (en) * | 2018-11-26 | 2019-02-01 | 东莞崧崴电子科技有限公司 | A kind of height-adjustable multifunctional table |
| CN114451751B (en) * | 2022-04-11 | 2022-08-19 | 常州市凯迪电器股份有限公司 | Driving assembly of linear driver, linear driver and electric lifting seat |
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| DE102010000970C5 (en) * | 2010-01-18 | 2022-10-13 | Suspa Gmbh | Height-adjustable actuation device |
| TWM491755U (en) * | 2014-08-18 | 2014-12-11 | Moteck Electric Corp | Linear transmission device with double screws |
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2018
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017143708A1 (en) * | 2016-02-25 | 2017-08-31 | 常州市凯迪电器股份有限公司 | Three-section linear actuator and drive assembly thereof |
| CN107212577A (en) * | 2017-08-03 | 2017-09-29 | 祝苗苗 | A kind of synchronization lifting push rod device and its desk |
| CN209152524U (en) * | 2018-07-18 | 2019-07-26 | 东莞崧崴电子科技有限公司 | Liftable adjustable type table column |
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