CN112971342A - Single-motor lifting table - Google Patents
Single-motor lifting table Download PDFInfo
- Publication number
- CN112971342A CN112971342A CN202110341166.XA CN202110341166A CN112971342A CN 112971342 A CN112971342 A CN 112971342A CN 202110341166 A CN202110341166 A CN 202110341166A CN 112971342 A CN112971342 A CN 112971342A
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- Prior art keywords
- gear box
- lifting
- motor
- mounting
- driving
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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
- A47B17/00—Writing-tables
- A47B17/02—Writing-tables with vertically-adjustable parts
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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
- A47B9/20—Telescopic guides
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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
- A47B2200/00—General construction of tables or desks
- A47B2200/0035—Tables or desks with features relating to adjustability or folding
- A47B2200/005—Leg adjustment
- A47B2200/0051—Telescopic
- A47B2200/0052—Telescopic with two telescopic parts
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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
- A47B2200/00—General construction of tables or desks
- A47B2200/0035—Tables or desks with features relating to adjustability or folding
- A47B2200/005—Leg adjustment
- A47B2200/0056—Leg adjustment with a motor, e.g. an electric motor
- A47B2200/0057—Leg adjustment with a motor, e.g. an electric motor situated under the worktop
Landscapes
- Tables And Desks Characterized By Structural Shape (AREA)
Abstract
The invention discloses a single-motor lifting table, which comprises a table plate, a base and two lifting stand columns, wherein the two lifting stand columns are connected with the table plate and the base and used for adjusting the height of the table plate relative to the base; each lifting upright column comprises an upright column body, a gear box and a lead screw lifting mechanism arranged in the upright column body, wherein the top of the upright column body is connected with a supporting seat, the gear box is connected to the supporting seat, and the output end of the gear box is in transmission connection with the lead screw lifting mechanism; a drive motor and a drive rod; the two ends of the transmission rod are respectively in transmission connection with the input ends of the gear boxes of the two lifting upright columns, and the driving motor is in transmission connection with the transmission rod and used for driving the transmission rod to rotate. This single motor lift table makes the gear box equipment of lift stand simple, convenient, can the installation of two crossbeams of adaptation, and bearing capacity is strong, can replace the lift stand shape wantonly and do not receive the gear box installation restriction, satisfies different user demands.
Description
Technical Field
The invention relates to the technical field of electric lifting tables, in particular to a single-motor lifting table.
Background
The lifting table is also called a learning table or a lifting office table, and can meet the healthy office requirements of people with different heights for realizing standing and sitting alternative office by utilizing the lifting characteristic; at present, more and more office workers select a lifting work table to work; the lifting table in the prior art generally comprises an electric lifting table and a manual lifting table, wherein the electric lifting table is driven by a motor to lift, and the manual lifting table is driven by a crank to lift. Adopt single motor drive's lift table among the electric lift table, also called single motor lift table, its structure generally includes two bases, crossbeam, two lift stands and table, the lower extreme of two lift stands is connected with two bases respectively, a backup pad is connected respectively to the upper end of two lift stands, and connect through the crossbeam between two lift stands, this lift table still includes driving motor, this driving motor sets up between two lift stands, and driving motor's pivot transmission connects a transfer line, the both ends of transfer line are connected with the screw elevating system transmission in two lift stands respectively, driving motor moves and drives the transfer line and rotate to make the screw elevating system rotation in two lift stands, make two lift stands take place the lift action. The single-motor lifting table with the structure has some defects in practical use: firstly, a transmission rod is in transmission connection with a gear box in a lifting upright post, and the gear box is in transmission connection with a screw rod lifting mechanism in the lifting upright post; that is, the gear box of each lifting upright is arranged in the lifting upright, and the gear box of each lifting upright is required to be matched and installed with the inner hole of the lifting upright, so that the requirement on matching precision is high, and the installation is troublesome and laborious; secondly, a hole for inserting the transmission rod is formed in the lifting upright column, so that the side wall of the lifting upright column needs to be punched, and the bearing of the lifting upright column can be reduced to a certain extent by the hole formed in the lifting upright column; moreover, due to the influence of large volume of the driving motor, only one cross beam can be connected between the two lifting stand columns of the single-motor lifting table, the cross beam is arranged on one side of each lifting stand column, which is far away from a user, and the cross beam is connected with the outer side walls of the lifting stand columns through screws; if the two cross beams are connected between the two lifting upright columns to improve the bearing capacity of the lifting table, the gap between the two cross beams is too small to accommodate the driving motor, so that the driving motor cannot be installed, and therefore the general bearing capacity of the single-motor lifting table is poor. In addition, the supporting plate on each lifting upright is fixedly connected with the side wall of the lifting upright through a screw, and holes are also required to be punched on the lifting upright when the supporting plate is connected, so that the bearing capacity of the lifting upright is weakened; this single motor lift table because of the gear box is installed in the lift stand and will satisfy the equipment of crossbeam, and it has certain restriction to the shape of lift stand, and square pipe or pipe are generally, then hardly the adaptation to the pipe fitting of other shapes, lead to the shape of lift stand very single, can not satisfy user's demand.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and provide the single-motor lifting table which enables the gear box of the lifting upright column to be simple and convenient to assemble, can be matched with the installation of double cross beams, has strong bearing capacity, can be used for randomly replacing the shape of the lifting upright column without being limited by the installation of the gear box and meets the requirements of different users.
The technical scheme of the invention is to provide a single-motor lifting table with the following structure: it comprises
The lifting column is connected with the table plate and the base and used for adjusting the height of the table plate relative to the base;
each lifting upright column comprises an upright column body, a gear box and a lead screw lifting mechanism arranged in the upright column body, wherein the top of the upright column body is connected with a supporting seat, the gear box is connected to the supporting seat, and the output end of the gear box is in transmission connection with the lead screw lifting mechanism;
a drive motor and a drive rod; the two ends of the transmission rod are respectively in transmission connection with the input ends of the gear boxes of the two lifting upright columns, and the driving motor is in transmission connection with the transmission rod and used for driving the transmission rod to rotate.
After adopting the structure, compared with the prior art, the single-motor lifting table has the following advantages: according to the single-motor lifting table, the gear box of the lifting upright post is arranged on the outer side of the upright post body, and specifically, the top of the upright post body is connected with a supporting seat, and the gear box is connected to the supporting seat; the installation of the gear box is not limited by the inner hole of the upright post body, so that the installation of the gear box is simple and convenient; therefore, the gear box is not limited by the cross section of the upright post body, the upright post body can be set in any shape, and the installation of the gear box is not influenced, so that the requirements of different users on the shapes of the lifting upright posts can be met, and the lifting upright posts of the lifting table are richer in shape; moreover, the gear box is mounted without damaging the structure of the upright post body, namely, a hole for fixing the gear box is not required to be formed in the upright post body, and a hole for the transmission rod to pass through is not required to be formed in the upright post body, so that the bearing capacity of the lifting upright post is stronger; therefore, the single-motor lifting table enables the gear box of the lifting stand column to be assembled simply and conveniently, can be matched with the double cross beams for installation, is high in bearing capacity, can be used for replacing the shape of the lifting stand column at will without being limited by the installation of the gear box, and meets different user requirements.
Preferably, the single-motor lifting table further comprises two cross beams, and mounting parts for mounting the cross beams are arranged on the supporting seats on the two sides of the gear box; the two beams are respectively arranged on two sides of the gear box and are respectively connected to the two mounting parts. The single-motor lifting table can be provided with two beams which are respectively arranged at two sides of the gear box and positioned at the top of the mounting part of the supporting seat, and the two beams are respectively connected with the mounting part; the cross beam bears the load of the table plate and applies the load to the top of the upright column body instead of the side wall, so that the load bearing capacity of the lifting table is further improved.
Preferably, the lifting upright is further provided with a supporting plate, and the supporting plate is arranged at the tops of the two cross beams and is fixedly connected with the two cross beams respectively. Set up like this, this backup pad is direct to be connected with the crossbeam top, and not be connected with the lateral wall of lift stand, has avoided punching at the lateral wall of lift stand, makes the connection of backup pad more firm, has also further improved the bearing capacity of lift table.
Preferably, the mounting parts extend upwards, and a mounting space for mounting the gear box is formed between the two mounting parts; and the mounting part is provided with a connecting hole for connecting the cross beam. Set up like this, two installation departments all are higher than the mounting plane of gear box, make to form the installation space who supplies the gear box installation between two installation departments, connect the crossbeam on two installation departments after, this gear box sets up between two crossbeams, and two crossbeams play certain guard action to the gear box.
Preferably, a bracket is connected in the installation space, the gear box is connected in the bracket, and the driving motor is connected with the bracket. The support is arranged, so that the gear box is protected and fixed, the driving motor is convenient to install, the whole structure is more uniform, and the structural stability is good.
Preferably, the gear box comprises a shell, the shell is provided with an inner cavity, an input port and an output port, the input port and the output port are communicated with the inner cavity, a driving worm is rotatably connected in the inner cavity, the upper end of a lead screw of the lead screw lifting mechanism penetrates through the inner cavity from the output port, a driving worm wheel is coaxially connected to the part, located in the inner cavity, of the upper end of the lead screw, and the driving worm wheel is meshed with the driving worm; the end part of the transmission rod is inserted from the input port of the shell and is coaxially connected with the driving worm.
Preferably, the support is provided with an extension plate extending towards the direction of the driving motor, the extension plate is provided with a positioning hole, and a connecting screw is connected in the positioning hole; the outer side wall of the driving motor is provided with a mounting hole, a connecting nut is in clearance fit in the mounting hole, and the connecting nut is in threaded connection with the connecting screw. By the arrangement, the accurate installation of the driving motor is facilitated.
Preferably, the crossbeam include left crossbeam, right crossbeam and connecting rod, the outer end of left crossbeam and right crossbeam is connected with the installation department of the supporting seat of two lift stands respectively, the one end of connecting rod is worn to establish in the inner centre bore of left crossbeam, the other end of connecting rod is worn to establish in the inner centre bore of right crossbeam, and the connecting rod respectively with left crossbeam and right crossbeam detachable connection. The arrangement enables the length of the cross beam to be adjustable, so that the lifting table is suitable for lifting tables with different length requirements.
Drawings
Fig. 1 is a schematic structural view of a single motor lift table of the present invention.
Fig. 2 is a schematic view of an assembly structure of a single motor elevating table according to the present invention.
Fig. 3 is a schematic view of a gear box mounting structure of a single motor elevating table according to the present invention.
Figure 4 is a schematic view of another angular configuration of the gear box mounting of a single motor lift table of the present invention.
Fig. 5 is a schematic view of the internal structure of a gear box of a single motor lift table according to the present invention.
As shown in the figure:
1. the lifting column comprises a base, 2, a lifting column body, 200, a column body, 3, a driving motor, 300, a mounting hole, 301, a connecting nut, 4, a transmission rod, 5, a beam, 500, a left beam, 501, a right beam, 6, a supporting plate, 7, a gear box, 700, a shell, 701, an input port, 702, an output port, 703, a driving worm wheel, 704, a driving worm, 8, a supporting seat, 800, a mounting part, 801, a connecting hole, 802, a mounting space, 9, a support, 900, an extending plate, 901, a connecting screw, 902 and a positioning hole.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples.
Referring to fig. 1 to 4, the single-motor lifting table of the present invention comprises a table, a base 1 and two lifting columns 2, wherein the two lifting columns 2 are connected with the table and the base 1 and used for adjusting the height of the table relative to the base 1; each lifting upright column 2 comprises an upright column body 200, a gear box 7 and a lead screw lifting mechanism arranged in the upright column body 200, wherein the top of the upright column body 200 is connected with a supporting seat 8, the gear box 7 is connected on the supporting seat 8, and the output end of the gear box 7 is in transmission connection with the lead screw lifting mechanism; a driving motor 3 and a transmission rod 4; the two ends of the transmission rod 4 are respectively in transmission connection with the input ends of the gear boxes 7 of the two lifting columns 2, and the driving motor 3 is in transmission connection with the transmission rod 4 and used for driving the transmission rod 4 to rotate. In the single-motor lifting table, the gear box 7 of the lifting upright post 2 is arranged outside the upright post body 200, specifically, the top of the upright post body 200 is connected with a supporting seat 8, and the gear box 7 is connected on the supporting seat 8; therefore, the installation of the gear box 7 is not limited by the inner hole of the upright post body 200, so that the installation of the gear box 7 is simple and convenient; therefore, the gear box 7 is not limited by the cross section of the upright post body 200, the upright post body 200 can be arranged in any shape, and the installation of the gear box 7 is not influenced, so that the requirements of different users on the shapes of the lifting upright posts 2 can be met, and the shapes of the lifting upright posts 2 of the lifting table are richer; moreover, the gear box 7 is mounted without damaging the structure of the upright post body 200, that is, without forming a hole for fixing the gear box 7 on the upright post body 200 and without forming a hole for the transmission rod 4 to pass through on the upright post body 200, so that the bearing capacity of the lifting upright post 2 is stronger; therefore, the single-motor lifting table enables the gear box 7 of the lifting upright post 2 to be simple and convenient to assemble, can be matched with the double cross beams 5 to be installed, is high in bearing capacity, can be used for replacing the shape of the lifting upright post 2 at will without being limited by the installation of the gear box 7, and meets different user requirements.
The screw lifting mechanism in this embodiment is also called a linear lifting mechanism, or a linear push rod mechanism; the screw lifting mechanism comprises a screw, the screw is also called a rotating shaft with external threads in the embodiment, and the screw is rotatably connected to the upper end of the inner tube of the upright post body 200 through a bearing; the outer side wall of the base is connected with a supporting pipe, and the lower end of the supporting pipe is connected with the lower end of the outer pipe; the screw rotates to move the base and the support tube along the length direction of the screw, so that the outer tube slides relative to the inner tube, and the lifting upright post 2 is lifted.
The gearbox 7 in the embodiment comprises a shell 700, wherein the shell 700 is provided with an inner cavity, an input port 701 and an output port 702 which are communicated with the inner cavity, a driving worm 704 is rotatably connected in the inner cavity, the upper end of a lead screw of the lead screw lifting mechanism penetrates through the inner cavity from the output port 702, a driving worm wheel 703 is coaxially connected to the part of the upper end of the lead screw, which is positioned in the inner cavity, and the driving worm wheel 703 is meshed with the driving worm 704; the end of the driving rod 4 is inserted from the input port 701 of the housing 700 and coaxially connected to the driving worm 704.
As an embodiment of the present invention, the single motor lifting table further includes two cross beams 5, and the supporting seats 8 at both sides of the gear box 7 are respectively provided with an installation part 800 for installing the cross beam 5; the two beams 5 are respectively arranged on two sides of the gear box 7 and are respectively connected to the two mounting parts 800. With the arrangement, two beams 5 can be installed on the single-motor lifting table, the two beams 5 are respectively arranged at two sides of the gear box 7 and positioned at the top of the installation part 800 of the supporting seat 8, and the two beams 5 are respectively connected with the installation part 800; the cross beam 5 thus bears the weight of the table and exerts a load on the top of the column body 200 rather than the side walls, thereby further improving the load-bearing capacity of the table. Specifically, crossbeam 5 include left crossbeam 500, right crossbeam 501 and connecting rod, the outer end of left crossbeam 500 and right crossbeam 501 is connected with the installation department 800 of the supporting seat 8 of two lift stands 2 respectively, the one end of connecting rod is worn to establish in the inner centre bore of left crossbeam 5, the other end of connecting rod is worn to establish in the inner centre bore of right crossbeam 5, and the connecting rod respectively with left crossbeam 5 and right crossbeam 5 detachable connection. The length of the cross beam 5 can be adjusted, so that the lifting table is suitable for lifting tables with different length requirements.
As an embodiment of the present invention, the lifting column 2 is further provided with a supporting plate 6, and the supporting plate 6 is disposed on the top of the two beams 5 and is respectively fixedly connected with the two beams 5. This backup pad 6 is direct to be connected with 5 tops of crossbeam, and not to be connected with the lateral wall of lift stand 2, has avoided punching at the lateral wall of lift stand 2, makes the connection of backup pad 6 more firm, has also further improved the bearing capacity of lift table.
As an embodiment of the present invention, the mounting portions 800 are extended upward, and a mounting space 802 for mounting the gear box 7 is formed between the two mounting portions 800; the mounting portion 800 is provided with a connecting hole 801 for connecting the cross beam 5. A support 9 is connected in the installation space 802, the gear box 7 is connected in the support 9, and the driving motor 3 is connected with the support 9. An extension plate 900 extending towards the direction of the driving motor 3 is arranged on the support 9, a positioning hole 902 is arranged on the extension plate 900, and a connecting screw 901 is connected in the positioning hole 902; the outer side wall of the driving motor 3 is provided with a mounting hole 300, a connecting nut 301 is in clearance fit in the mounting hole 300, and the connecting nut 301 is in threaded connection with a connecting screw 901. The two installation parts 800 are higher than the installation plane of the gear box 7, so that an installation space 802 for installing the gear box 7 is formed between the two installation parts 800, after the cross beams 5 are connected to the two installation parts 800, the gear box 7 is arranged between the two cross beams 5, and the two cross beams 5 play a certain protection role on the gear box 7.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A single motor lift table which characterized in that: it comprises
The lifting column is connected with the table plate and the base and used for adjusting the height of the table plate relative to the base;
each lifting upright column comprises an upright column body, a gear box and a lead screw lifting mechanism arranged in the upright column body, wherein the top of the upright column body is connected with a supporting seat, the gear box is connected to the supporting seat, and the output end of the gear box is in transmission connection with the lead screw lifting mechanism;
a drive motor and a drive rod; the two ends of the transmission rod are respectively in transmission connection with the input ends of the gear boxes of the two lifting upright columns, and the driving motor is in transmission connection with the transmission rod and used for driving the transmission rod to rotate.
2. A single motor lift table as defined in claim 1 wherein: the single-motor lifting table also comprises two cross beams, and mounting parts for mounting the cross beams are arranged on the supporting seats on the two sides of the gear box; the two beams are respectively arranged on two sides of the gear box and are respectively connected to the two mounting parts.
3. A single motor lift table as defined in claim 2 wherein: the lifting upright is further provided with a supporting plate, and the supporting plate is arranged at the tops of the two cross beams and is fixedly connected with the two cross beams respectively.
4. A single motor lift table as defined in claim 2 wherein: the mounting parts extend upwards, and a mounting space for mounting the gear box is formed between the two mounting parts; and the mounting part is provided with a connecting hole for connecting the cross beam.
5. The single motor lift table of claim 4, wherein: a support is connected in the installation space, the gear box is connected in the support, and the driving motor is connected with the support.
6. A single motor lift table as defined in claim 1 wherein: the gearbox comprises a shell, the shell is provided with an inner cavity, an input port and an output port, the input port and the output port are communicated with the inner cavity, a driving worm is rotatably connected in the inner cavity, the upper end of a lead screw of the lead screw lifting mechanism penetrates through the inner cavity from the output port, the part of the upper end of the lead screw, which is positioned in the inner cavity, is coaxially connected with a driving worm wheel, and the driving worm wheel is meshed with the driving worm; the end part of the transmission rod is inserted from the input port of the shell and is coaxially connected with the driving worm.
7. The single motor lift table of claim 5, wherein: the bracket is provided with an extension plate extending towards the direction of the driving motor, the extension plate is provided with a positioning hole, and a connecting screw is connected in the positioning hole; the outer side wall of the driving motor is provided with a mounting hole, a connecting nut is in clearance fit in the mounting hole, and the connecting nut is in threaded connection with the connecting screw.
8. A single motor lift table as defined in claim 2 wherein: the crossbeam include left crossbeam, right crossbeam and connecting rod, the outer end of left crossbeam and right crossbeam is connected with the installation department of the supporting seat of two lift stands respectively, the one end of connecting rod is worn to establish in the inner centre bore of left crossbeam, the other end of connecting rod is worn to establish in the inner centre bore of right crossbeam, and the connecting rod respectively with left crossbeam and right crossbeam detachable connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110341166.XA CN112971342A (en) | 2021-03-30 | 2021-03-30 | Single-motor lifting table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110341166.XA CN112971342A (en) | 2021-03-30 | 2021-03-30 | Single-motor lifting table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112971342A true CN112971342A (en) | 2021-06-18 |
Family
ID=76338339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110341166.XA Pending CN112971342A (en) | 2021-03-30 | 2021-03-30 | Single-motor lifting table |
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| Country | Link |
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| CN (1) | CN112971342A (en) |
Cited By (3)
| 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 |
| WO2023130523A1 (en) * | 2022-01-05 | 2023-07-13 | 佟自然 | Voice controlled intelligent lifting table |
| WO2023201606A1 (en) * | 2022-04-21 | 2023-10-26 | 佟自然 | Single-motor l-shaped standing desk |
-
2021
- 2021-03-30 CN CN202110341166.XA patent/CN112971342A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023130523A1 (en) * | 2022-01-05 | 2023-07-13 | 佟自然 | Voice controlled intelligent 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 |
| WO2023201606A1 (en) * | 2022-04-21 | 2023-10-26 | 佟自然 | Single-motor l-shaped standing desk |
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