CN220107720U - Swing-preventing lifting motor - Google Patents
Swing-preventing lifting motor Download PDFInfo
- Publication number
- CN220107720U CN220107720U CN202321699207.3U CN202321699207U CN220107720U CN 220107720 U CN220107720 U CN 220107720U CN 202321699207 U CN202321699207 U CN 202321699207U CN 220107720 U CN220107720 U CN 220107720U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- bearing
- motor
- cover
- mounting groove
- 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.)
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Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052802 copper Inorganic materials 0.000 claims abstract description 21
- 239000010949 copper Substances 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 241000227287 Elliottia pyroliflora Species 0.000 claims abstract description 11
- 230000007704 transition Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model provides an anti-swing lifting motor, which comprises a motor, a front cover, a rear cover, a transmission gear set, a screw rod, an inner pipe and an outer pipe, wherein the front cover is arranged on the front cover; the rear cover is fixed on the front side of the front cover; the motor and the outer tube are arranged on the front side of the rear cover in a left-right distribution manner; the inner pipe is connected in the outer pipe in a sliding way; the front end of the inner tube is provided with a nut; the screw rod is rotationally connected between the front cover and the rear cover through a bearing and is in threaded connection with the nut; the transmission gear set is connected between the motor and the screw rod in a transmission way; the copper sleeve is also included; the front cover is provided with a copper sleeve mounting groove corresponding to the rear end of the screw rod; the copper bush is arranged in the copper bush mounting groove in a press fit manner; the outer diameter of the rear end of the screw rod is in transition fit with the inner hole of the copper sleeve; the rear end of the screw rod extends into the copper sleeve, so that the screw rod can be prevented from swinging, and the stability of the inner tube after extending out is improved.
Description
Technical Field
The utility model relates to the technical field of lift motors, in particular to an anti-swing lift motor.
Background
In the use of the lift motor, the screw rod is supported through the bearing, but the bearing is provided with a gap, the screw rod rotates to drive the inner tube to extend, after the inner tube extends, the gap can lead the inner tube to generate certain swing, the using effect is affected, the motor rotates through the turbine and the driving gear for driving the screw rod, so that the screw rod is driven to rotate, in the swing process, the defect is caused in the cooperation between the driving gear and the turbine, the service life of the gear is affected, and therefore the lift motor is also required to be improved.
Disclosure of Invention
The utility model aims to provide an anti-swing lifting motor to solve the problems in the background art.
In order to achieve the above object, the present utility model provides the following technical solutions:
an anti-swing lifting motor comprises a motor, a front cover, a rear cover, a transmission gear set, a screw rod, an inner pipe and an outer pipe; the rear cover is fixed on the front side of the front cover; the motor and the outer tube are arranged on the front side of the rear cover in a left-right distribution manner; the inner pipe is connected in the outer pipe in a sliding way; the front end of the inner tube is provided with a nut; the screw rod is rotationally connected between the front cover and the rear cover through a bearing and is in threaded connection with the nut; the transmission gear set is connected between the motor and the screw rod in a transmission way; the copper sleeve is also included; the front cover is provided with a copper sleeve mounting groove corresponding to the rear end of the screw rod; the copper bush is arranged in the copper bush mounting groove in a press fit manner; the outer diameter of the rear end of the screw rod is in transition fit with the inner hole of the copper sleeve; the rear end of the screw rod extends into the copper sleeve.
Further describing the present utility model, the drive gear set includes a turbine gear and a drive gear; the driving gear is arranged on the screw rod; the turbine gear is rotationally connected in the front cover and the rear cover; the turbine gear is in transmission connection between a power output end of the motor and the driving gear.
Further describing the utility model, the bearing comprises a first bearing and a second bearing; the front cover is also provided with a first bearing mounting groove formed at the rear side of the copper bush mounting groove; the front side of the rear cover is provided with a second bearing mounting groove; the first bearing is sleeved on the rear side of the driving gear and is positioned in the first bearing mounting groove; the second bearing is sleeved on the screw rod and is positioned in the second bearing mounting groove.
The beneficial effects of the utility model are as follows:
the bearing is as the main support piece of lead screw, but has certain assembly clearance inevitably between lead screw and the bearing, and this design is through installing the copper sheathing on the protecgulum, and the rear end transition fit of copper sheathing and lead screw for overcome the assembly clearance between lead screw and the bearing, prevent that the lead screw from swinging at the rotation in-process, improve the stability after the inner tube stretches out.
Drawings
FIG. 1 is an overall block diagram of the present utility model;
FIG. 2 is a partial block diagram of the present utility model;
FIG. 3 is a diagram of the assembled front cover and copper sleeve of the present utility model;
fig. 4 is a structural view of the back cover of the present utility model.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
as shown in fig. 1 to 4, an anti-swing lift motor comprises a motor 1, a front cover 2, a rear cover 3, a transmission gear set 4, a screw rod 5, an inner pipe 6 and an outer pipe 7; the rear cover 3 is fixed on the front side of the front cover 2; the motor 1 and the outer tube 7 are arranged on the front side of the rear cover 3 in a left-right distribution manner; the inner tube 6 is slidably connected in the outer tube 7; the front end of the inner tube 6 is provided with a nut; the screw rod 5 is rotatably connected between the front cover 2 and the rear cover 3 through a bearing 51 and is in threaded connection with a nut; the transmission gear set 4 is connected between the motor 1 and the screw rod 5 in a transmission way; also comprises a copper sleeve 8; the front cover 2 is provided with a copper sleeve mounting groove 21 corresponding to the rear end of the screw rod 5; the copper bush 8 is arranged in the copper bush mounting groove 21 in a press fit manner; the outer diameter of the rear end of the screw rod 5 is in transition fit with the inner hole of the copper sleeve 8; the rear end of the screw rod 5 extends into the copper sleeve 8; through installing copper sheathing 8 on protecgulum 2, copper sheathing 8 and lead screw 5 transitional fit for overcome the fit-up gap between lead screw 5 and the bearing 51, prevent that lead screw 5 from swinging in the rotation in-process, improve the stability after inner tube 6 stretches out.
The drive gear set 4 includes a turbine gear 41 and a drive gear 42; the driving gear 42 is arranged on the screw rod 5; the turbine gear 41 is rotatably connected in the front cover 2 and the rear cover 3; the turbine gear 41 is in transmission connection between the power output end of the motor 1 and the driving gear 42, the output end of the motor 1 drives the turbine gear 41 to rotate, and the turbine gear 41 drives the driving gear 42 to rotate so as to transmit power to the screw rod 5.
The bearing 51 includes a first bearing 511 and a second bearing 512; the front cover 2 is also provided with a first bearing mounting groove 22 formed at the rear side of the copper bush mounting groove 21; the front side of the rear cover 3 is provided with a second bearing mounting groove 31; the first bearing 511 is sleeved on the rear side of the driving gear 42 and is positioned in the first bearing mounting groove 22; the second bearing 512 is sleeved on the screw rod 5 and is located in the second bearing mounting groove 31, and the first bearing 511 and the second bearing 512 are located at the front side and the rear side of the driving gear 42 to support the screw rod 5.
The above description should not be taken as limiting the scope of the present utility model, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical substance of the present utility model still fall within the scope of the present utility model.
Claims (3)
1. An anti-swing lifting motor comprises a motor, a front cover, a rear cover, a transmission gear set, a screw rod, an inner pipe and an outer pipe; the rear cover is fixed on the front side of the front cover; the motor and the outer tube are arranged on the front side of the rear cover in a left-right distribution manner; the inner pipe is connected in the outer pipe in a sliding way; the front end of the inner tube is provided with a nut; the screw rod is rotationally connected between the front cover and the rear cover through a bearing and is in threaded connection with the nut; the transmission gear set is connected between the motor and the screw rod in a transmission way; the method is characterized in that: the copper sleeve is also included; the front cover is provided with a copper sleeve mounting groove corresponding to the rear end of the screw rod; the copper bush is arranged in the copper bush mounting groove in a press fit manner; the outer diameter of the rear end of the screw rod is in transition fit with the inner hole of the copper sleeve; the rear end of the screw rod extends into the copper sleeve.
2. The anti-sway lift motor of claim 1 wherein: the transmission gear set comprises a turbine gear and a driving gear; the driving gear is arranged on the screw rod; the turbine gear is rotationally connected in the front cover and the rear cover; the turbine gear is in transmission connection between a power output end of the motor and the driving gear.
3. An anti-sway lift motor of claim 2 wherein: the bearing comprises a first bearing and a second bearing; the front cover is also provided with a first bearing mounting groove formed at the rear side of the copper bush mounting groove; the front side of the rear cover is provided with a second bearing mounting groove; the first bearing is sleeved on the rear side of the driving gear and is positioned in the first bearing mounting groove; the second bearing is sleeved on the screw rod and is positioned in the second bearing mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321699207.3U CN220107720U (en) | 2023-06-30 | 2023-06-30 | Swing-preventing lifting motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321699207.3U CN220107720U (en) | 2023-06-30 | 2023-06-30 | Swing-preventing lifting motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220107720U true CN220107720U (en) | 2023-11-28 |
Family
ID=88844405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321699207.3U Active CN220107720U (en) | 2023-06-30 | 2023-06-30 | Swing-preventing lifting motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220107720U (en) |
-
2023
- 2023-06-30 CN CN202321699207.3U patent/CN220107720U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |