CN220587734U - Lifting transmission mechanism of electric lifting table - Google Patents
Lifting transmission mechanism of electric lifting table Download PDFInfo
- Publication number
- CN220587734U CN220587734U CN202322103538.2U CN202322103538U CN220587734U CN 220587734 U CN220587734 U CN 220587734U CN 202322103538 U CN202322103538 U CN 202322103538U CN 220587734 U CN220587734 U CN 220587734U
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- screw rod
- side pipe
- square tube
- block
- base
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 9
- 230000008569 process Effects 0.000 claims abstract description 7
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 2
- 230000001276 controlling effect Effects 0.000 abstract 1
- 230000003028 elevating effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
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Abstract
The application discloses electric lift table lift drive mechanism belongs to electric lift table technical field. Mainly include the desktop, the base, this base sets up the bottom at the desktop, the base has the supporting part that is used for adjusting the desktop height, the supporting part includes, first side pipe, the second side pipe, first side pipe outer lane is located to this second side pipe cover, drive assembly sets up on the base, drive assembly is used for controlling first side pipe and second side pipe to do sliding fit, this drive assembly includes, the fixed block, this fixed block sets up in the inner chamber department of second side pipe, the regulating block, this regulating block is installed at the top of first side pipe, the lead screw, this lead screw thread mount is in the regulating block upper end, the balancing piece, this balancing piece is installed in the lead screw bottom. According to the lifting transmission mechanism of the electric lifting table, the balance block is arranged at the bottom of the screw rod, so that the screw rod in the transmission assembly is stressed at two positions through the adjusting block and the balance block, and the effect of preventing the screw rod from deforming in the process of lifting table movement is achieved.
Description
Technical Field
The application relates to the technical field of electric lifting tables, in particular to an electric lifting table lifting transmission mechanism.
Background
The electric lifting table is office furniture with adjustable height, mainly can help to improve working posture and relieve pressure and fatigue caused by long-time sitting work, and a user can switch between sitting posture and standing posture by switching the working posture;
however, most of the height adjustment modes adopted at the present stage are mechanical transmission structures, such as the utility model patent of publication No. CN105326213A, specifically discloses an electric lifting table, wherein a driving device is arranged to control a first conical gear and a second conical gear meshed with the first conical gear, and the second conical gear drives a screw rod to rotate around a shaft, so that a motor drives a table top to lift;
although the above method can well control lifting by the rotation of the screw rod, in order to control the lifting table to reach the height required by standing, the screw rod needs to be rotated for a sufficient length, so that in the long-time use process, as the lifting table is lifted, the screw rod 34 is influenced by the weight of the table top and the weight of the table top, and uneven stress can cause bending deformation of the screw rod, so that the screw rod is not smoothly rotated in the lifting process, and therefore, the electric lifting table lifting transmission mechanism is needed to solve the problems.
It should be noted that the above information disclosed in this background section is only for understanding the background of the present application concept and, therefore, it may contain information that does not constitute prior art.
Disclosure of Invention
Based on the above problems existing in the prior art, the problems to be solved by the present application are: the lifting transmission mechanism of the electric lifting table achieves the effect of preventing the screw rod from deforming in the process of lifting table movement.
The technical scheme adopted for solving the technical problems is as follows: an electric lifting table lifting transmission mechanism, comprising: the desktop, the base, this base setting is in the bottom of desktop, the base has the supporting part that is used for adjusting the desktop height, the supporting part includes, and first side pipe, second side pipe, and this second side pipe cover is located first side pipe outer lane, drive assembly sets up on the base, drive assembly is used for control first side pipe is sliding fit with second side pipe, and this drive assembly includes, and this fixed block sets up in the inner chamber department of second side pipe, and the regulating block is installed this regulating block the top of first side pipe, lead screw, this lead screw threaded mounting is in the regulating block upper end, balancing piece, this balancing piece is installed the lead screw bottom.
Further, the bottom of the first square tube is provided with a chassis.
Further, the upper end of the second square tube is provided with a supporting plate, a motor is arranged on the supporting plate, a first conical gear is arranged at the output end of the motor, a second conical gear is arranged at the upper end of the screw rod, and the first conical gear is meshed with the second conical gear.
Further, the balance weight (4) is arranged in a cylindrical shape.
Further, a step hole is formed in the center of the balance block.
Further, a spring pad is arranged at the joint of the bolt and the balance weight.
Further, the balance weight is made of plastic material, and specifically polyethylene.
The beneficial effects of this application are: the application provides an electric lift table lifting transmission mechanism, at the in-process of adjusting desktop height, make in the drive assembly the lead screw passes through the regulating block with increase two atress of balancing piece to avoid the upper end of lead screw to take place to buckle.
In addition to the objects, features, and advantages described above, there are other objects, features, and advantages of the present application. The present application will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application.
In the drawings:
FIG. 1 is an overall schematic view of an elevating transmission mechanism of an electric elevating table in the present application;
FIG. 2 is a partial schematic view of the whole of FIG. 1;
FIG. 3 is an enlarged schematic view of a portion of FIG. 2A;
FIG. 4 is an enlarged partial schematic view of B in FIG. 2;
wherein, each reference sign in the figure:
1. a base; 11. a fixing plate; 12. a cross beam; 13. a second square tube; 131. a supporting plate; 2. a fixing part; 21. a first square tube; 22. a chassis; 3. a transmission assembly; 31. a motor; 32. a first bevel gear; 33. a second bevel gear; 34. a screw rod; 35. a fixed block; 36. an adjusting block; 4. a balance weight; 41. a spring pad; 42. and (5) a bolt.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
As shown in fig. 1, the application provides an electric lifting table lifting transmission mechanism, which comprises a table top and a base 1 arranged at the bottom of the table top, wherein the base 1 mainly plays a supporting role in daily use and is used for supporting the whole table top;
the two sides of the upper end of the base 1 are provided with fixing plates 11, the fixing plates 11 are connected to the bottom of the tabletop through threads, the upper end of the base 1 is also provided with a cross beam 12, the cross beam 12 is connected between the two fixing plates 11 and is used for being matched with the fixing plates 11, and two sides of the cross beam 12 are provided with supporting parts, and the supporting parts are used for supporting the base 1;
in order to adjust the height of the base 1, the support is provided in an adjustable structure, in particular:
as shown in fig. 2, the support part comprises a fixing part 2 placed on the ground, the fixing part 2 is composed of a first square tube 21 vertically arranged and a chassis 22 fixed at the bottom of the square tube, a second square tube 13 is sleeved on the outer ring of the first square tube 21 along the length direction, and the upper end of the second square tube 13 is fixed with a cross beam 12, so that the first square tube 21 and the second square tube 13 can relatively slide in the vertical direction;
in order to realize the positioning of the second square tube 13 during the sliding process, so as to adjust the height of the base 1, as shown in fig. 2-3, a transmission assembly 3 is disposed in the internal cavity of the first square tube 21 and the second square tube 13, and the transmission assembly 3 is used for adjusting the relative positions of the first square tube 21 and the second square tube 13, specifically:
the transmission assembly 3 comprises a supporting plate 131 fixedly arranged on the outer side of the second square tube 13, a motor 31 is fixedly arranged on the supporting plate 131, a round hole is formed in the upper end of the second square tube 13, the output end of the motor 31 passes through the round hole to enter the inner cavity of the second square tube 13, and a first conical gear 32 is fixed at the output end of the motor 31;
as shown in fig. 3-4, a fixed block 35 is fixedly arranged at the inner cavity of the second square tube 13, and a screw rod 34 is arranged on a bearing of the fixed block 35, so that the screw rod 34 can freely rotate on the fixed block 35;
meanwhile, a second bevel gear 33 is fixedly arranged at the upper end of the screw rod 34, and the second bevel gear 33 is meshed with the first bevel gear 32, so that the screw rod 34 can freely rotate under the drive of the motor 31;
as shown in fig. 2, an adjusting block 36 is arranged at the top of the first square tube 21, and a threaded hole is arranged on the adjusting block 36 and is matched with the screw rod 34 for installation;
in summary, when the motor 31 is energized to rotate, the motor 31 rotates to drive the first bevel gear 32 to rotate, and simultaneously, the second bevel gear 33 meshed with the first bevel gear 32 rotates along with the first bevel gear 32, and the second bevel gear 33 drives the matched screw rod 34 to rotate, because the screw thread on the screw rod 34 is in threaded fit with the adjusting block 36, the second square tube 13 is in sliding fit with the first square tube 21 due to lifting movement generated by rotation, so as to drive the fixing plate 11, the cross beam 12 and the tabletop to realize lifting movement;
the main purpose of the electric lifting table is to relieve the pressure and fatigue caused by long-time sitting work, and the user stands up by switching the working posture, so that the height requirement of the electric lifting table is higher, the screw rod 34 also grows along with the increase of the height, however, the main stress points of the screw rod 34 are concentrated at the screw thread of the adjusting block 36, so that the screw rod 34 is stressed unevenly, the screw rod 34 is bent and deformed, and the screw rod 34 is not smoothly rotated in the lifting process;
as shown in fig. 4, in order to ensure that the screw rod 34 does not deform, a balance block 4 is connected to the bottom of the screw rod 34 through a bolt 42, and a step hole is formed in the center of the balance block 4 and is used for accommodating the head of the bolt 42 so as to prevent the head of the bolt 42 from interfering with the chassis 22 when the screw rod 34 is at the lowest end;
meanwhile, the balance weight 4 is in a cylindrical shape, and the balance weight 4 is matched (tangent to) the inner cavity of the first square tube 21, so that when the size of the upper end of the screw rod 34 protruding out of the fixed block 35 is excessive, the screw rod 34 can be stressed at two places by limiting the fixed block 35 and the balance weight 4. Thereby avoiding bending of the upper end of the screw rod 34;
as shown in fig. 4, in order to prevent the bolt 42 from falling off, a spring pad 41 is provided at the junction of the bolt 42 and the weight 4;
in order to prevent the weight 4 from making a sound by friction with the fixing portion 2, the weight 4 may be made of plastic, specifically Polyethylene (PE).
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (7)
1. An electric lifting table lifting transmission mechanism is characterized in that: comprising the following steps:
a tabletop;
base (1), this base (1) sets up the bottom of desktop, base (1) have the supporting part that is used for adjusting the desktop height, the supporting part includes:
a first square tube (21);
a second square tube (13), wherein the second square tube (13) is sleeved on the outer ring of the first square tube (21);
the transmission assembly (3), transmission assembly (3) set up on base (1), transmission assembly (3) are used for controlling first side pipe (21) are sliding fit with second side pipe (13), and this transmission assembly (3) include:
the fixed block (35) is arranged at the inner cavity of the second square tube (13);
an adjusting block (36), wherein the adjusting block (36) is arranged at the top of the first square tube (21);
the screw rod (34) is arranged at the upper end of the adjusting block (36) in a threaded manner;
the balance block (4) is arranged at the bottom of the screw rod (34);
wherein: in the process of adjusting the height of the table top, the screw rod (34) is stressed at two positions through the adjusting block (36) and the balance block (4), so that the upper end of the screw rod (34) is prevented from bending.
2. The electric lift table lift drive of claim 1 wherein: the bottom of the first square tube (21) is provided with a chassis (22).
3. The electric lift table lift drive of claim 1 wherein: the utility model discloses a motor, including square pipe (13), motor (31), screw rod (34), backing plate (131) are provided with second side's pipe (13) upper end, be provided with motor (31) on backing plate (131), motor (31) output is provided with first bevel gear (32), screw rod (34) upper end is provided with second bevel gear (33), first bevel gear (32) with second bevel gear (33) meshing.
4. A lifting drive for an electric lifting table as claimed in claim 3, wherein: the balance weight (4) is in a cylindrical shape.
5. The electric lift table lift drive of claim 1 wherein: the center of the balance weight (4) is provided with a step hole.
6. The electric lift table lift drive of claim 1 wherein: a spring pad (41) is arranged at the joint of the bolt (42) and the balance weight (4).
7. The electric lift table lift drive of claim 1 wherein: the balance weight (4) is made of plastic material, and is specifically made of polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322103538.2U CN220587734U (en) | 2023-08-07 | 2023-08-07 | Lifting transmission mechanism of electric lifting table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322103538.2U CN220587734U (en) | 2023-08-07 | 2023-08-07 | Lifting transmission mechanism of electric lifting table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220587734U true CN220587734U (en) | 2024-03-15 |
Family
ID=90171777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322103538.2U Active CN220587734U (en) | 2023-08-07 | 2023-08-07 | Lifting transmission mechanism of electric lifting table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220587734U (en) |
-
2023
- 2023-08-07 CN CN202322103538.2U patent/CN220587734U/en active Active
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