CN220987989U - Lifting column convenient to install - Google Patents
Lifting column convenient to install Download PDFInfo
- Publication number
- CN220987989U CN220987989U CN202322563072.4U CN202322563072U CN220987989U CN 220987989 U CN220987989 U CN 220987989U CN 202322563072 U CN202322563072 U CN 202322563072U CN 220987989 U CN220987989 U CN 220987989U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- column
- nut
- shell
- lifting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009434 installation Methods 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000001174 ascending effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Forklifts And Lifting Vehicles (AREA)
- Types And Forms Of Lifts (AREA)
- Transmission Devices (AREA)
Abstract
The utility model discloses a lifting column convenient to install, which comprises a first screw rod, a column shell, a clutch part for installing the lifting column and a coupler for being in transmission connection with the output end of a motor, wherein the first screw rod is movably connected in the column shell through a first lifting component, a connecting part is arranged at the top of the first screw rod, a first bearing is sleeved outside the connecting part, a supporting part is arranged at the bottom of the coupler, a first clamping groove for clamping the first bearing is arranged at the bottom of the clutch part, a movable hole communicated with the first clamping groove is arranged at the top of the clutch part, the supporting part stretches into the clamping groove from the movable hole, the supporting part is propped against the inner ring of the first bearing, the coupler is fixedly connected with the connecting part through a screw, the installation operation is simple, and the assembly time is shortened. The first clamping groove and the clutch piece are integrally formed, so that the connection among the first bearing, the clutch piece, the first screw rod and the coupler is more compact, and the stability of the whole structure is improved.
Description
Technical Field
The utility model relates to the technical field of lifting equipment, in particular to a lifting column convenient to install.
Background
The lifting table is an office table with the height adjustable according to the height, sitting posture and standing posture of a person, and generally comprises a tabletop and lifting columns (table legs), and the lifting columns are driven by a motor to drive a screw nut mechanism so as to realize the driving lifting of the lifting columns. The existing lifting column installation assembly is complex, the installation difficulty is high, and long assembly time is required.
The utility model discloses a lifting upright post transmission structure for a lifting table, for example, with the publication number of CN217743506U, which comprises a small screw rod and an aluminum pipe sleeved outside the small screw rod, wherein the upper end of the small screw rod is sleeved with a bearing sleeve, a second bearing is arranged in the bearing sleeve, and the upper end cover of the bearing sleeve is provided with a bearing fixing seat. The upper end of the small screw rod is provided with a second installation bulge, the three-jaw coupler is sleeved on the second installation bulge, and the three-jaw coupler is fixed with the small screw rod through the cooperation of the second installation bulge and the three-jaw coupler. The bearing fixing seat is generally connected with the motor box, so that the small screw rod is fixedly installed. The bearing sleeve and the bearing fixing seat jointly realize the installation of the second bearing, but the bearing sleeve is simultaneously required to be fixedly connected with other parts, so that the complexity of the installation of the lifting upright post is increased. In view of the above, the present utility model provides a lifting column that is convenient to install, so as to solve the above-mentioned problems.
Disclosure of utility model
The utility model overcomes the defects of the technology and provides the lifting column convenient to install.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a lift post of simple installation, includes first lead screw, stand shell, is used for installing the clutch of lift post, is used for the shaft coupling of being connected with the output transmission of motor. The first lead screw is movably connected in the upright column shell through the first lifting component, the top of the first lead screw is provided with a connecting part penetrating through the outside of the upright column shell, a first bearing is sleeved outside the connecting part, the bottom of the coupler is provided with a supporting part, the bottom of the clutch piece is provided with a first clamping groove used for clamping the first bearing, the top of the clutch piece is provided with a movable hole communicated with the first clamping groove, the supporting part extends into the clamping groove from the movable hole, the supporting part abuts against the inner ring of the first bearing, and the coupler is fixedly connected with the connecting part through a screw.
Preferably, the clutch member comprises a mounting plate, the bottom of the mounting plate extends towards the first screw rod to form the first clamping groove, and the mounting plate is provided with a mounting hole.
Preferably, the lifting column further comprises a column inner shell arranged in the column outer shell, the column inner shell and the column outer shell are hollow column-shaped shells with two open ends, the column outer shell is driven to move in the vertical direction by a first screw rod through a first lifting assembly, the first screw rod is arranged in the column inner shell through a second lifting assembly, and the first screw rod is used for driving the column inner shell to move in the vertical direction through a second lifting assembly; the motion direction of the upright outer shell is opposite to that of the upright inner shell.
Preferably, the first lifting assembly comprises a first bearing and a first nut which is in threaded connection with the outside of the first screw rod, and the first nut is fixedly connected with the upright post shell; the first screw rod rotates to enable the first nut to drive the upright post shell to lift.
Preferably, the second lifting assembly comprises a second hollow screw rod and a second nut, the first screw rod is arranged in the second hollow screw rod through a transmission structure, the first screw rod extends out of the top of the second hollow screw rod and is connected with the first nut, a second bearing is arranged at the top of the second hollow screw rod, and a second clamping groove for clamping the second bearing is arranged at the bottom of the first nut; the second nut is in threaded connection with the outer surface of the second hollow screw rod, and the second nut is fixedly connected with the upright post inner shell; the first screw rod drives the second hollow screw rod to rotate around the central shaft of the first screw rod together through the transmission structure, and the second nut drives the upright post inner shell to lift under the action of the rotation of the second hollow screw rod.
Preferably, the transmission structure comprises an external spline arranged on the first screw rod, and an internal spline arranged on the inner surface of the second hollow screw rod, wherein the internal spline axially penetrates through the inner surface of the second hollow screw rod.
Preferably, the bottom end of the column inner shell is connected with a plug with the diameter width smaller than that of the column outer shell.
Preferably, the top end face of the first nut is located at the top opening of the upright post shell, a first protrusion is arranged on the inner surface of the upright post shell, and a first concave position corresponding to the first protrusion is arranged on the outer surface of the first nut.
Preferably, the top of the second nut is provided with an end face larger than the opening at the top of the upright inner shell, the end face at the top of the second nut covers the opening at the top of the upright inner shell, the inner surface of the upright inner shell is provided with a second protrusion, and the outer surface of the second nut is provided with a second concave position corresponding to the second protrusion.
Preferably, a guide part is sleeved outside the second hollow screw rod, and a third protrusion for contact connection with the inner surface of the column inner shell is convexly arranged on the outer surface of the guide part.
The process of realizing the elongation of the lifting column comprises the following steps: the motor drives the first screw rod to rotate through the coupler, and meanwhile, the first nut drives the upright post shell to move upwards along the first screw rod together, so that the first-stage extension of the lifting column is realized. The first screw rod rotates at the same time through the transmission structure. The second hollow screw rod can be rotated by itself, so that the second nut drives the upright post inner shell to move downwards along the second hollow screw rod together, and the second-stage extension of the lifting column is realized.
Compared with the prior art, the utility model has the beneficial effects that:
1. When the lifting table is installed, the first bearing is clamped in the first clamping groove, the clutch piece is installed on the motor box or other installation pieces of the lifting table, the connecting part of the first screw rod is clamped with the inner hole of the first bearing, the coupler is fixedly connected with the connecting part through the screw, the installation operation is simple, and the assembly time is shortened. The first clamping groove and the clutch piece are integrally formed, so that the connection among the first bearing, the clutch piece, the first screw rod and the coupler is more compact, the stability of the whole structure is improved, and the number of installation parts of the utility model can be reduced by integrally forming the first clamping groove and the clutch piece, so that the structure of the utility model is simpler.
2. The utility model can drive the first screw rod to rotate, and simultaneously realize the ascending of the column outer shell and the descending of the column inner shell, thereby realizing the secondary ascending and descending, and having high ascending and descending efficiency and large ascending and descending stroke.
Drawings
Fig. 1 is an overall schematic view of the lifting column of the present utility model.
FIG. 2 is an exploded schematic view of the lifting column of the present utility model;
FIG. 3 is a front view of the lifting column of the present utility model;
FIG. 4 is a cross-sectional view of the A-A plane of FIG. 3;
FIG. 5 is a schematic structural view of the column housing of the present utility model;
fig. 6 is a schematic structural view of the column inner casing of the present utility model.
Detailed Description
The following examples are provided to illustrate the features of the present utility model and other related features in further detail to facilitate understanding by those skilled in the art:
As shown in fig. 1 to 6, a lifting column convenient to install comprises a first screw rod 1, a column casing 5, a clutch piece 2 for installing the lifting column, and a coupler 3 for being in transmission connection with an output end of a motor. The first screw rod 1 is movably connected in the upright post shell 5 through a first lifting component, and a connecting part 11 penetrating out of the upright post shell 5 is arranged at the top of the first screw rod 1. The connecting part 11 is sleeved with a first bearing 12, the bottom of the coupler 3 is provided with a supporting part 31, the bottom of the clutch piece 2 is provided with a first clamping groove 21 used for clamping the first bearing 12, and the top of the clutch piece 2 is provided with a movable hole 22 communicated with the first clamping groove 21.
When the utility model is installed, the first bearing 12 is clamped in the first clamping groove 21; the clutch piece 2 is arranged on a motor box or other mounting pieces of the liftable table; then the connecting part 11 of the first screw rod 1 is clamped with the inner hole of the first bearing 12; then the supporting part 31 extends into the first clamping groove 21 from the movable hole 22, and the supporting part 31 is propped against the inner ring of the first bearing 12, so that the coupling 3 is more tightly connected with the first screw rod 1; finally, the coupler 3 is fixedly connected with the connecting part 11 through the screw 32, so that the installation operation is simple, and the assembly time is shortened.
The first clamping groove 21 and the clutch piece 2 are integrally formed, so that the connection among the first bearing 12, the clutch piece 2, the first screw rod 1 and the coupler 3 is more compact, the stability of the whole structure is improved, and the number of installation parts of the utility model can be reduced by integrally forming the first clamping groove 21 and the clutch piece 2, so that the structure of the utility model is simpler.
As shown in fig. 1, the clutch member 2 includes a mounting plate 23, the bottom of the mounting plate 23 extends toward the first screw rod 1 to form a first clamping groove 21, the mounting plate 23 is provided with a mounting hole 24, and a screw passes through the mounting hole 24 to fix the mounting plate 23 to a motor box or other mounting member of the lifting table.
As shown in fig. 4, the lifting column further comprises a column inner shell 4 arranged in a column outer shell 5, the column inner shell 4 and the column outer shell 5 are hollow column-shaped shells with two open ends, the column outer shell 5 is driven by a first screw rod 1 to move in the vertical direction through a first lifting assembly, the first screw rod 1 is arranged in the column inner shell 4 through a second lifting assembly, and the first screw rod 1 is used for driving the column inner shell 4 to move in the vertical direction through a second lifting assembly; the column outer shell 5 and the column inner shell 4 move in opposite directions.
Specifically, the first lifting assembly comprises a first bearing 12 and a first nut 13 which is in threaded connection with the outside of the first screw rod 1, and the first nut 13 is fixedly connected with the upright post casing 5.
As shown in fig. 2, the second lifting assembly comprises a second hollow screw 6, a second nut 61. The first screw rod 1 is installed in the second hollow screw rod 6 through a transmission structure, and the top of the first screw rod 1 extends out of the top of the second hollow screw rod 6 and is connected with the first nut 13. The top of the second hollow screw rod 6 is provided with a second bearing 62, and the bottom of the first nut 13 is provided with a second clamping groove 131 for clamping the second bearing 62. The second nut 61 is in threaded connection with the outer surface of the second hollow screw rod 6, and the second nut 61 is fixedly connected with the column inner shell 4. The first screw rod 1 drives the second hollow screw rod 6 to rotate around the central shaft of the first screw rod 1 together through a transmission structure.
Specifically, the transmission structure comprises an external spline 14 arranged on the first screw rod 1, an internal spline 64 arranged on the inner surface of the second hollow screw rod 6, and the internal spline 64 axially penetrates through the inner surface of the second hollow screw rod 6.
The process of realizing the elongation of the lifting column comprises the following steps: the motor drives the first screw rod 1 to rotate through the coupler 3, and meanwhile, the first nut 13 drives the upright post shell 5 to move upwards along the first screw rod 1 together, so that the first-stage extension of the lifting column is realized. The first screw rod 1 rotates to enable the second hollow screw rod 6 to simultaneously rotate through a transmission structure. The second hollow screw rod 6 rotates automatically to enable the second nut 61 to drive the upright post inner shell 4 to move downwards along the second hollow screw rod 6 together, so that second-stage extension of the lifting post is realized. The lifting column has high lifting efficiency and large lifting stroke.
As shown in fig. 2, a plug 41 having a smaller diameter width than the column outer shell 5 is connected to the bottom end of the column inner shell 4. The plug 41 is connected with the column inner shell 4 through a buckling structure.
As shown in fig. 2 and 5, the top end face of the first nut 13 is located at the top opening of the column casing 5, so that the top opening of the column casing 5 is closed. The inner surface of the column casing 5 is provided with a first protrusion 51, the outer surface of the first nut 13 is provided with a first concave position 132 corresponding to the first protrusion 51, and when the first nut 13 and the column casing 5 are assembled, the first protrusion 51 is clamped into the first concave position 132, so that the first nut 13 is clamped with the column casing 5.
As shown in fig. 2 and 6, the top of the second nut 61 is provided with an end surface 611 larger than the top opening of the column inner housing 4, and the second nut top end surface 611 covers the top opening of the column inner housing 4, so that the top opening of the column inner housing 4 is closed. The inner surface of the column inner shell 4 is provided with a second protrusion 42, and the outer surface of the second nut 61 is provided with a second recess 612 corresponding to the second protrusion 42. The inner surface of the column inner shell 4 is provided with a second protrusion 42, and the outer surface of the second nut 61 is provided with a second recess 612 corresponding to the second protrusion 42. When the second nut 61 is assembled with the column inner shell 4, the second protrusion 42 is clamped into the second concave position 612, so that the second nut 61 is clamped with the column inner shell 4.
The guide member 63 is sleeved outside the second hollow screw rod 6, and a third protrusion 631 for contact connection with the inner surface of the column inner shell 4 is convexly arranged on the outer surface of the guide member 63. When the second hollow screw 6 rotates, the third protrusion 631 contacts with the inner surface of the column inner housing 4, so that the second hollow screw 6 operates more stably.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the present utility model and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the present utility model.
Claims (10)
1. The utility model provides a lift post of convenient installation, its characterized in that, including first lead screw (1), stand shell (5), clutch (2) that are used for installing the lift post, be used for the shaft coupling (3) of being connected with the output transmission of motor, first lead screw (1) are through first lift subassembly swing joint in stand shell (5), the top of first lead screw (1) is equipped with and runs through outer connecting portion (11) of stand shell (5), connecting portion (11) overcoat is equipped with first bearing (12), the bottom of shaft coupling (3) is equipped with supporting part (31), the bottom of clutch (2) is equipped with first draw-in groove (21) that are used for chucking first bearing (12), the top of clutch (2) is equipped with movable hole (22) with first draw-in groove (21) intercommunication, supporting part (31) stretch into in first draw-in groove (21) from movable hole (22), and supporting part (31) support on the inner ring of first bearing (12), shaft coupling (3) are through screw (32) fixed connection with screw (11).
2. The lifting column convenient to install according to claim 1, wherein the clutch piece (2) comprises an installation flat plate (23), the bottom of the installation flat plate (23) extends towards the first screw rod (1) to form the first clamping groove (21), and the installation flat plate (23) is provided with an installation hole (24).
3. The lifting column convenient to install according to claim 1, further comprising a column inner shell (4) arranged in the column outer shell (5), wherein the column inner shell (4) and the column outer shell (5) are hollow column shells with two open ends, the column outer shell (5) is driven by the first screw rod (1) to move in the vertical direction through a first lifting assembly, the first screw rod (1) is arranged in the column inner shell (4) through a second lifting assembly, and the first screw rod (1) is used for driving the column inner shell (4) to move in the vertical direction through a second lifting assembly; the motion direction of the upright post outer shell (5) is opposite to that of the upright post inner shell (4).
4. A lifting column convenient to install according to claim 3, characterized in that the first lifting assembly comprises a first bearing (12), a first nut (13) in threaded connection with the outside of the first screw rod (1), the first nut (13) being fixedly connected with the column housing (5); the first screw rod (1) rotates to enable the first nut (13) to drive the upright post shell (5) to lift.
5. The lifting column convenient to install according to claim 4, wherein the second lifting assembly comprises a second hollow screw rod (6) and a second nut (61), the first screw rod (1) is installed in the second hollow screw rod (6) through a transmission structure, the first screw rod (1) extends out of the top of the second hollow screw rod (6) and is connected with the first nut (13), a second bearing (62) is arranged at the top of the second hollow screw rod (6), and a second clamping groove (131) for clamping the second bearing (62) is arranged at the bottom of the first nut (13); the second nut (61) is in threaded connection with the outer surface of the second hollow screw rod (6), and the second nut (61) is fixedly connected with the upright post inner shell (4); the first screw rod (1) drives the second hollow screw rod (6) to rotate around the central shaft of the first screw rod (1) together through a transmission structure, and the second nut (61) drives the upright column inner shell (4) to lift under the action of the rotation of the second hollow screw rod (6).
6. The lifting column convenient to install according to claim 5, wherein the transmission structure comprises an external spline (14) arranged on the first screw rod (1), and an internal spline (64) arranged on the inner surface of the second hollow screw rod (6), and the internal spline (64) penetrates through the inner surface of the second hollow screw rod (6) along the axial direction.
7. A lifting column convenient to install according to any one of claims 3-6, characterized in that the bottom end of the column inner shell (4) is connected with a plug (41) with a smaller diameter than the column outer shell (5).
8. The lifting column convenient to install according to claim 4, wherein the top end face of the first nut (13) is located at the top opening of the column casing (5), a first protrusion (51) is arranged on the inner surface of the column casing (5), and a first concave position (132) corresponding to the first protrusion (51) is arranged on the outer surface of the first nut (13).
9. The lifting column convenient and fast to install according to claim 5, wherein an end face (611) larger than the top opening of the inner column shell (4) is arranged at the top of the second nut (61), the top end face of the second nut (61) covers the top opening of the inner column shell (4), a second protrusion (42) is arranged on the inner surface of the inner column shell (4), and a second concave position (612) corresponding to the second protrusion (42) is arranged on the outer surface of the second nut (61).
10. The lifting column convenient to install according to claim 5, wherein a guide part (63) is sleeved outside the second hollow screw rod (6), and a third protrusion (631) for contact connection with the inner surface of the column inner shell (4) is convexly arranged on the outer surface of the guide part (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322563072.4U CN220987989U (en) | 2023-09-20 | 2023-09-20 | Lifting column convenient to install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322563072.4U CN220987989U (en) | 2023-09-20 | 2023-09-20 | Lifting column convenient to install |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220987989U true CN220987989U (en) | 2024-05-24 |
Family
ID=91120362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322563072.4U Active CN220987989U (en) | 2023-09-20 | 2023-09-20 | Lifting column convenient to install |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220987989U (en) |
-
2023
- 2023-09-20 CN CN202322563072.4U patent/CN220987989U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2011100614A4 (en) | Snap spring assembling device for disc spring | |
| WO2017143708A1 (en) | Three-section linear actuator and drive assembly thereof | |
| CN108466994B (en) | Transmission device and lifting upright post | |
| CN111237416A (en) | Intelligent lifting column transmission system assembly | |
| CN220987989U (en) | Lifting column convenient to install | |
| CN217683100U (en) | Lifting upright post | |
| CN110980572A (en) | Lifting upright post with low installation distance | |
| CN211712529U (en) | Lifting upright post | |
| CN110980585A (en) | Lifting upright post | |
| CN212744912U (en) | Multistage ball screw synchronous vertical transmission device | |
| CN108078157B (en) | Lifting table | |
| CN112454329A (en) | Base of desktop mechanical arm, desktop mechanical arm and robot | |
| CN211712510U (en) | Lifting upright post with low installation distance | |
| CN107960734B (en) | Lifting table | |
| CN216530930U (en) | Linear motor and device using same | |
| CN214759717U (en) | Three-section push rod | |
| CN108741625B (en) | Lifting table | |
| CN215516521U (en) | Simple inverted upright post | |
| CN209782216U (en) | Internal air exchange mechanism of box under vacuum environment | |
| CN219229595U (en) | Screw assembly structure for stock machine | |
| CN111706659A (en) | Worm, worm gear and planet wheel combined type driving rotary lifting structure | |
| CN211354305U (en) | Multi-column synchronous pneumatic lifting system | |
| CN220973409U (en) | Double-nut electric screw press | |
| CN220946806U (en) | Transmission structure of direct-drive electric screw press | |
| CN111853532A (en) | Internal air exchange mechanism of box under vacuum environment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |