CN219306224U - Single motor lifting table - Google Patents
Single motor lifting table Download PDFInfo
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- CN219306224U CN219306224U CN202223452976.1U CN202223452976U CN219306224U CN 219306224 U CN219306224 U CN 219306224U CN 202223452976 U CN202223452976 U CN 202223452976U CN 219306224 U CN219306224 U CN 219306224U
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Abstract
The utility model discloses a single-motor lifting table, which comprises a table plate, a base, a beam assembly and two lifting upright posts, wherein the base is provided with a plurality of lifting columns; two ends of the beam assembly are respectively connected with the tops of the two lifting upright posts, and two ends of the beam assembly are connected with two gear boxes respectively connected with the two lifting upright posts in a transmission manner; the two ends of the transmission rod are respectively in transmission connection with the input ends of the two gear boxes; the driving motor is provided with an end face, and the power end of the driving motor is in transmission connection with the transmission rod; the motor mounting plate is connected to the beam assembly, the motor mounting plate is connected with a connecting plate which extends upwards, the connecting plate is connected with a connecting piece connected with the driving motor, and after the connecting piece is connected with the driving motor, the end face of the driving motor is tightly attached to the connecting plate. The single-motor lifting table enables the driving motor to be installed simply, conveniently and rapidly, enables the positioning between the driving motor and the gear box to be accurate, and can ensure concentricity of the axis of the transmission rod and the axis of the input end of the gear box.
Description
Technical Field
The utility model relates to the technical field of electric lifting tables, in particular to a single-motor lifting table.
Background
The lifting desk is also called a learning desk or a lifting office desk, and can meet the health office requirements of standing and sitting alternate office by using lifting characteristics of people with different heights. At present, more and more office workers select lifting tables to conduct office work. The lifting table 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. The electric lifting table adopts a lifting table driven by a single motor, and is also called a single motor lifting table or a single motor electric lifting table.
The utility model provides a single motor electric lift table of prior art, like the lift table of the applicant's prior application that the publication number is CN215076240U, name single motor lift table, its structure includes table, base, crossbeam, driving motor and two lift stands, and the upper end of two lift stands is connected with the both ends of crossbeam respectively, and the lower extreme of two lift stands is connected with two bases respectively, and the table is connected at the top of crossbeam; a screw rod lifting mechanism, namely a screw rod nut pair, is connected in each of the two lifting upright posts and is used for driving the inner pipe and the outer pipe of the lifting upright posts to stretch; the upper end of each lifting upright post is connected with a supporting plate connected with the bottom of the cross beam, and a gear box is fixedly connected to the supporting plate and is in transmission connection with a screw rod lifting mechanism in the lifting upright post; the driving motor is arranged between the two lifting upright posts and is positioned at a position close to one of the lifting upright posts, and the driving motor is connected with the lifting upright posts through a motor mounting plate; specifically, one end of the motor mounting plate is fixedly connected with a supporting plate at the top of the lifting upright post through screws, and the other end of the motor mounting plate is connected with the driving motor through a plurality of screws; the power end of the driving motor is in transmission connection with a transmission rod, two ends of the transmission rod are respectively in transmission connection with gear boxes at the tops of the two lifting upright posts, and the driving motor acts to drive the transmission rod to rotate, so that a screw rod lifting mechanism in the two lifting upright posts rotates, and the two lifting upright posts are lifted. The single motor lifting table of the prior art has some defects in actual assembly or use: firstly, the installation of a driving motor is very troublesome, the driving motor and a motor mounting plate are required to be fixed through a plurality of screws, and concentricity between the axis of a transmission rod at the power end of the driving motor and the axis of the input end of a gear box is required to be ensured, but in fact, due to processing errors and installation errors of the motor mounting plate and connection errors between the plurality of screws for connecting the driving motor and the motor mounting plate, the positioning between the driving motor and the gear box is difficult to be accurate, so that the concentricity between the axis of the transmission rod and the axis of the input end of the gear box is difficult to be ensured, abnormal transmission noise is caused, and the service life of a transmission mechanism is influenced after long-time use; furthermore, the driving motor is fixed with the motor mounting plate through a plurality of screws, the mounting time is long, the mounting efficiency is low, and the disassembly or replacement of the driving motor is very troublesome; secondly, because the driving motor is generally arranged at one side of the bottom of the desk plate far away from the user, the motor mounting plate can only be connected with the supporting plate of a specific lifting upright post, and is generally connected with the right lifting upright post. Namely, the installation of the driving motor needs to distinguish the left lifting upright post and the right lifting upright post, and the installation universality is poor.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides the single-motor lifting table which enables the driving motor to be installed simply, conveniently and quickly, enables the positioning between the driving motor and the gear box to be accurate, and can ensure the concentricity of the axis of the transmission rod and the axis of the input end of the gear box.
The technical scheme of the utility model is that a single-motor lifting table with the following structure is provided: the lifting table comprises a table plate, a base and two lifting upright posts, wherein the two lifting upright posts are connected with the table plate and the base and are used for adjusting the height of the table plate relative to the base;
the two ends of the beam assembly are connected with two gear boxes which are respectively connected with the two lifting upright posts in a transmission way;
the two ends of the transmission rod are respectively in transmission connection with the input ends of the two gear boxes;
the driving motor is provided with an end face, and the power end of the driving motor is in transmission connection with the transmission rod;
the motor mounting plate is connected to the beam assembly, and the motor mounting plate is connected with a connecting plate which extends upwards, the connecting plate is connected with a connecting piece connected with the driving motor, and after the connecting piece is connected with the driving motor, the end face of the driving motor is tightly attached to the connecting plate.
Preferably, the connecting plate is provided with a through hole, the connecting piece is connected in the through hole, the end face of the driving motor is provided with a connecting hole which is connected with the connecting piece in a matching way, and the connecting hole is positioned on one side of the driving motor away from the axis of the power end of the driving motor.
Preferably, both ends of the beam assembly are connected with fixing plates, the gear box is connected to the fixing plates, avoidance holes for the downward exposure of the output end of the gear box are formed in the fixing plates, and the beam assembly, the fixing plates and the gear box are connected into a whole and can be detached from the lifting upright integrally.
Preferably, the tops of the two lifting upright posts are connected with a supporting plate connected with the bottom of the beam assembly; the driving end of the screw rod lifting mechanism connected in each lifting upright post is upwards exposed out of the top of the lifting upright post, and when the supporting plate of the lifting upright post is connected with the bottom of the beam assembly, the driving end of the screw rod lifting mechanism upwards penetrates through the avoidance hole and is in transmission connection with the output end of the gear box.
Preferably, a plurality of first mounting holes are respectively formed in two sides of the motor mounting plate, second mounting holes corresponding to the first mounting holes are formed in two sides of the bottom of the beam assembly, and the motor mounting plate is connected with the beam assembly through connecting screws penetrating through the first mounting holes and the second mounting holes.
Preferably, the beam assembly comprises two cross bars, two ends of the two cross bars are respectively connected with the supporting plates at the tops of the two lifting upright posts, and the gearbox and the driving motor are positioned between the two cross bars.
Preferably, the axis of the driving motor is parallel to the axis of the transmission rod.
After adopting the structure, the single-motor lifting table has the following advantages compared with the prior art:
when the driving motor of the single-motor lifting table is installed, the driving motor and the motor mounting plate are connected into a whole, and when the driving motor is connected with the motor mounting plate, the end face of the driving motor is only required to be tightly attached to the connecting plate of the motor mounting plate, and then the driving motor and the motor mounting plate are fixed through a connecting piece; then, a transmission rod penetrates through the power end of the driving motor, two ends of the transmission rod are respectively connected with the input ends of two gear boxes on the beam assembly, one side of the driving motor is supported and fixed by the transmission rod, and the other side of the driving motor is supported and fixed by the connecting piece; and under the condition of ensuring accurate positioning between the driving motor and the gear box, the motor mounting plate is fixedly connected on the beam assembly, so that the concentricity of the axis of the transmission rod and the axis of the input end of the gear box can be easily ensured, the transmission abnormal sound of the transmission rod is avoided, and the service life of the electric lifting table is long. The end face of the driving motor is tightly attached to the connecting plate of the motor mounting plate, so that the stability of connection of the driving motor is guaranteed, and accurate positioning between the driving motor and the gear box is facilitated. This driving motor is connected through the connecting piece with the motor mounting panel only, especially only needs a connecting piece to accomplish the connection, consequently compares the quantity that has reduced the connecting piece with prior art's driving motor's installation to improved driving motor's installation effectiveness, made driving motor install simple, convenient, swift, user experience feels good.
Moreover, the gear box is connected with the beam assembly through the fixing plates, namely, the beam assembly, the fixing plates and the gear box are connected into a whole, when the lifting upright post is connected with the beam assembly, the driving end of the screw rod lifting mechanism at the top of the lifting upright post only needs to upwards penetrate through the avoidance hole on the fixing plate and then is inserted into the output end of the gear box, and then the supporting plate at the top of the lifting upright post is connected with the bottom of the beam assembly, so that the installation of the lifting upright post can be completed, and the assembly efficiency of the lifting upright post is high.
In addition, the whole that this driving motor and motor mounting panel formed after connecting can be connected in the crossbeam subassembly one side that is close to any lift stand to make driving motor's installation need not distinguish left and right lift stand, its installation is nimble, the commonality is good, makes user equipment convenient.
Drawings
Fig. 1 is a schematic view of a single motor lift table of the present utility model.
Figure 2 is a schematic view of a partial construction of the drive motor installation of the single motor lift table of the present utility model.
Fig. 3 is a schematic diagram of an assembly structure of a lifting column of the single-motor lifting table of the utility model.
Fig. 4 is a schematic diagram of an assembled structure of a driving motor of the single motor elevating table of the present utility model.
Fig. 5 is a schematic diagram of the structure in which the driving motor of the single motor lifting table is connected with the motor mounting plate.
As shown in the figure:
1. the device comprises a beam assembly, 100, a cross rod, 101, a support plate, 2, a lifting assembly, 200, a lifting upright post, 201, a support plate, 3, a base, 4, a transmission rod, 5, a driving motor, 500, an end face, 501, a power end, 502, a connecting hole, 6, a motor mounting plate, 600, a connecting plate, 601, a through hole, 602, a connecting piece, 603, a first mounting hole, 7, a gear box, 700, a fixing plate, 701 and a box cover.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the specific examples.
Referring to fig. 1 to 5, the embodiment of the present utility model discloses a single motor lifting table, which includes a table plate (not shown), a base 3 and a lifting assembly 2, wherein the lifting assembly 2 includes two lifting columns 200: the bottom of the table plate is connected with a beam assembly 1, and the two lifting columns 200 are connected with the beam assembly 1 and a base 3 and are used for adjusting the heights of the table plate and the beam assembly 1 relative to the base 3; the beam assembly 1 of the embodiment comprises two cross bars 100, wherein two ends of the two cross bars 100 are respectively connected with the tops of two lifting columns 200, specifically, the top of each lifting column 200 is connected with a supporting plate 201, and the supporting plate 201 is connected with the bottoms of the two cross bars 100 through screws; in this embodiment, two ends of the two cross bars 100 are respectively connected with a support plate 101, and the support plates 101 are used for supporting and connecting the table boards.
In the present embodiment, each lifting column 200 includes a column body and a screw lifting mechanism (not shown in the figure) which is also called a linear lifting mechanism, or a linear push rod mechanism, a screw nut pair, or the like, provided in the column body; in the lifting upright post 200 of the embodiment, the driving end of the screw rod lifting mechanism vertically extends upwards out of the top of the upright post body to form an insertion end; the driving end or the insertion end rotates to enable the screw rod to rotate, so that the inner pipe and the outer pipe of the upright post body are driven to stretch and retract, the lifting upright post 200 is lifted, and the screw rod lifting mechanism is a product of a mature technology in the prior art and is not described in detail in the embodiment.
Referring to fig. 3, two ends of the beam assembly 1 are connected with two gearboxes 7 which are respectively connected with two lifting columns 200 in a transmission manner; the gear box 7 comprises a square shell, wherein the shell is provided with an inner cavity, an input port and an output port, wherein the input port is communicated with the inner cavity, namely the input end of the gear box 7, the output port is namely the output end of the gear box 7, the axis of the input end is perpendicular to the axis of the output end, namely the input end is positioned on the side wall of the gear box 7, and the output end is positioned on the bottom wall of the gear box 7; a pair of gears connected with each other in a transmission way are connected in the shell, the center hole of one gear forms an input end for connecting the transmission rod 4, and the center hole of the other gear forms an output end for connecting the driving end or the inserting end of the screw lifting mechanism. In the embodiment, both ends of the beam assembly 1 are connected with a fixing plate 700, and the fixing plate 700 is welded and fixed with the inner side walls of the two cross bars 100 of the beam assembly 1; the gear box 7 is fixedly connected to the fixing plate 700 through four screws, the fixing plate 700 is provided with an avoidance hole for the downward exposure of the output end of the gear box 7, and the beam assembly 1, the fixing plate 700 and the gear box 7 are connected into a whole and can be integrally detached from the lifting upright post 200. That is, when the lifting upright post 200 is connected with the beam assembly 1, the driving end or the insertion end of the screw lifting mechanism at the top of the lifting upright post 200 only needs to pass through the avoidance hole on the fixing plate 700 upwards and then is inserted into the output end of the gear box 7, and then the supporting plate 201 at the top of the lifting upright post 200 is connected with the bottom of the beam assembly 1 through screws, so that the installation of the lifting upright post 200 can be completed, and the assembly efficiency of the lifting upright post 200 is high.
Referring to fig. 2, 4 and 5 again, in this embodiment, the single motor lifting table further includes a transmission rod 4, a driving motor 5 and a motor mounting plate 6, where two ends of the transmission rod 4 are respectively connected with input ends of two gearboxes 7 in a transmission manner; the driving motor 5 is provided with an end face 500, the end face 500 is a plane which is vertically arranged, and a power end 501 of the driving motor 5 is in transmission connection with the transmission rod 4; it will be appreciated that the power end 501 of the drive motor 5, i.e. the interface where the drive motor 5 is connected to the transmission rod 4; the motor mounting plate 6 is connected to the beam assembly 1, and the motor mounting plate 6 is connected with a connecting plate 600 extending upwards, the connecting plate 600 is connected with a connecting piece 602 connected with the driving motor 5, and after the connecting piece 602 is connected with the driving motor 5, the end face 500 of the driving motor 5 is tightly attached to the connecting plate 600. In this embodiment, the transmission rod 4 includes a polygonal rod with a polygonal cross section and a sleeve matched with the polygonal rod, the sleeve is axially retractable and circumferentially rotatable relative to the polygonal rod, and the transmission rod 4 is in the prior art and will not be described in detail in this embodiment. The connecting plate 600 of the embodiment is parallel to the end face 500 of the driving motor 5, so that the connecting plate 600 is convenient to be attached to the end face 500 of the driving motor 5, and the connecting piece 602 for connecting the connecting plate 600 and the driving motor 5 is a fastening screw. In this embodiment, in order to improve the connection efficiency between the driving motor 5 and the motor mounting plate 6, a through hole 601 is formed in the connecting plate 600, a connecting piece 602 is connected in the through hole 601, a connecting hole 502 that is connected with the connecting piece 602 in a matching manner is formed in the end face 500 of the driving motor 5, and the connecting hole 502 is located at one side of the driving motor 5 away from the axis of the power end 501 of the driving motor 5.
In this embodiment, a plurality of first mounting holes 603 are respectively formed on two sides of the motor mounting plate 6, second mounting holes (not shown in the figure) corresponding to the first mounting holes 603 are formed on two sides of the bottom of the beam assembly 1, and the motor mounting plate 6 is connected with the beam assembly 1 through connecting screws penetrating through the first mounting holes 603 and the second mounting holes.
When the driving motor 5 of the single-motor lifting table is installed, the driving motor 5 and the motor mounting plate 6 are connected into a whole, and when the driving motor 5 is connected with the motor mounting plate 6, the end face 500 of the driving motor 5 is only required to be tightly attached to the connecting plate 600 of the motor mounting plate 6, and then the driving motor 5 and the motor mounting plate 6 are fixed through a connecting piece 602; then, the transmission rod 4 passes through the power end 501 of the driving motor 5, and two ends of the transmission rod 4 are respectively connected with the input ends of the two gear boxes 7 on the beam assembly 1, the transmission rod 4 supports and fixes one side of the driving motor 5, and the connecting piece 602 supports and fixes the other side of the driving motor 5; and under the condition of ensuring accurate positioning between the driving motor 5 and the gear box 7, the motor mounting plate 6 is fixedly connected on the beam assembly 1, so that the concentricity of the axis of the transmission rod 4 and the axis of the input end of the gear box 7 can be easily ensured, the abnormal transmission noise of the transmission rod 4 is avoided, and the service life of the electric lifting table is long. The end face 500 of the driving motor 5 is tightly attached to the connecting plate 600 of the motor mounting plate 6, so that not only is the stability of connection of the driving motor 5 ensured, but also accurate positioning between the driving motor 5 and the gear box 7 is facilitated. This driving motor 5 is connected through connecting piece 602 with motor mounting panel 6 only, especially only needs a connecting piece 602 to accomplish the connection, has consequently reduced the quantity of connecting piece 602 compared with the installation of prior art driving motor 5 to improved driving motor 5's installation effectiveness, made driving motor 5 install simply, convenient, swift, user experience feels good. Moreover, the gear box 7 and the driving motor 5 are positioned between the two cross bars 100 of the cross beam assembly 1, and have a certain protection effect on the gear box 7 and the driving motor 5; in addition, a cover 701 is attached to the fixing plate 700, and the cover 701 is wrapped around the outside of the gear case 7 to prevent dust from entering the gear case 7.
The whole formed after the driving motor 5 and the motor mounting plate 6 are connected can be connected to one side of the beam assembly 1 close to any lifting upright post 200, so that the driving motor 5 is installed without distinguishing a left lifting upright post from a right lifting upright post, the installation is flexible, the universality is good, and the user can assemble conveniently.
In the present embodiment, the axis of the drive motor 5 is disposed in parallel with the axis of the transmission rod 4. The driving motor 5 is prevented from occupying the space below the desk plate, so that the space below the desk plate is larger, and the driving motor 5 is prevented from interfering the movement of the legs of the user.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (7)
1. A single motor lift table, its characterized in that: it comprises
The table plate, the base and the two lifting upright posts are connected with the table plate and the base and used for adjusting the height of the table plate relative to the base;
the two ends of the beam assembly are connected with two gear boxes which are respectively connected with the two lifting upright posts in a transmission way;
the two ends of the transmission rod are respectively in transmission connection with the input ends of the two gear boxes;
the driving motor is provided with an end face, and the power end of the driving motor is in transmission connection with the transmission rod;
the motor mounting plate is connected to the beam assembly, and the motor mounting plate is connected with a connecting plate which extends upwards, the connecting plate is connected with a connecting piece connected with the driving motor, and after the connecting piece is connected with the driving motor, the end face of the driving motor is tightly attached to the connecting plate.
2. The single motor lift table of claim 1 wherein: the connecting plate is provided with a through hole, the connecting piece is connected in the through hole, the end face of the driving motor is provided with a connecting hole which is connected with the connecting piece in a matched mode, and the connecting hole is located on one side, away from the axis of the power end of the driving motor, of the driving motor.
3. The single motor lift table of claim 1 wherein: the gearbox is characterized in that the two ends of the beam assembly are connected with fixing plates, the gearbox is connected to the fixing plates, avoidance holes for the output end of the gearbox to be exposed downwards are formed in the fixing plates, and the beam assembly, the fixing plates and the gearbox are connected into a whole and can be detached from the lifting upright post integrally.
4. A single motor lift table as set forth in claim 3 wherein: the tops of the two lifting upright posts are connected with a supporting plate connected with the bottom of the beam assembly; the driving end of the screw rod lifting mechanism connected in each lifting upright post is upwards exposed out of the top of the lifting upright post, and when the supporting plate of the lifting upright post is connected with the bottom of the beam assembly, the driving end of the screw rod lifting mechanism upwards penetrates through the avoidance hole and is in transmission connection with the output end of the gear box.
5. The single motor lift table of claim 1 wherein: the motor mounting plate is characterized in that a plurality of first mounting holes are respectively formed in two sides of the motor mounting plate, second mounting holes corresponding to the first mounting holes are formed in two sides of the bottom of the beam assembly, and the motor mounting plate is connected with the beam assembly through connecting screws penetrating through the first mounting holes and the second mounting holes.
6. The single motor lift table of claim 5 wherein: the beam assembly comprises two cross bars, two ends of the two cross bars are respectively connected with the supporting plates at the tops of the two lifting upright posts, and the gear box and the driving motor are positioned between the two cross bars.
7. A single motor lift table as claimed in any one of claims 1 to 6 wherein: the axis of the driving motor is parallel to the axis of the transmission rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223452976.1U CN219306224U (en) | 2022-12-22 | 2022-12-22 | Single motor lifting table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223452976.1U CN219306224U (en) | 2022-12-22 | 2022-12-22 | Single motor lifting table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219306224U true CN219306224U (en) | 2023-07-07 |
Family
ID=87026133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223452976.1U Active CN219306224U (en) | 2022-12-22 | 2022-12-22 | Single motor lifting table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219306224U (en) |
-
2022
- 2022-12-22 CN CN202223452976.1U patent/CN219306224U/en active Active
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