CN210620108U - Multi-section synchronous lifting rod - Google Patents
Multi-section synchronous lifting rod Download PDFInfo
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- CN210620108U CN210620108U CN201921293451.3U CN201921293451U CN210620108U CN 210620108 U CN210620108 U CN 210620108U CN 201921293451 U CN201921293451 U CN 201921293451U CN 210620108 U CN210620108 U CN 210620108U
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Abstract
The utility model discloses a multi-section synchronous lifting rod, which comprises a base, an outer sleeve, a first telescopic rod, a second telescopic rod, a third telescopic rod and a fourth telescopic rod, wherein the outer sleeve, the first telescopic rod, the second telescopic rod, the third telescopic rod and the fourth telescopic rod are sequentially sleeved from outside to inside, the base is provided with a driving motor, the driving motor controls a first ball screw to rotate through gear engagement, the lifting of the first telescopic rod is realized through a first ball seat connected with the driving motor, the first ball screw also rotates synchronously with a first transmission shaft, the first transmission shaft rotates synchronously with the second ball screw through gear engagement, the lifting of the second telescopic rod is realized through a second ball seat connected with the first ball screw, the second ball screw also rotates synchronously with a second transmission shaft, and so on, the synchronous lifting of a plurality of lifting rods can be realized, the structure is compact and reliable, in addition, the ball screw and the ball seat are matched for use, only the, the telescopic rod does not need to be precisely processed, and the production cost is greatly reduced.
Description
Technical Field
The utility model relates to a lifting tool, especially an electric lifting rod.
Background
The existing electric lifting rod is formed by nesting a plurality of telescopic pipes, a screw rod which is also nested mutually and a screw rod seat which is in threaded connection with the screw rod are arranged in each pipe, then the screw rod is driven by a motor which is arranged outside through a gear, the application is wide, but the processing difficulty of the nested screw rod is high, the processing precision requirement of internal threads on the screw rod seat is also high, and the production cost is increased accordingly.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a multisection synchronous lifting rod.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a multisection synchronous lifter, includes outer tube, first telescopic link, second telescopic link, third telescopic link, the fourth telescopic link that the base and cup jointed in proper order from outer to interior, the pedestal mounting has driving motor, first telescopic link, second telescopic link, third telescopic link, fourth telescopic link fixed mounting respectively have first ball seat, second ball seat, third ball seat, fourth ball seat, rotate respectively on base, first telescopic link, second telescopic link, the third telescopic link and be connected with first ball screw, second ball screw, third ball screw, fourth ball screw, just first ball screw, second ball screw, third ball screw, fourth ball screw respectively with first ball seat, second ball seat, third ball seat, fourth ball seat are connected, still rotate respectively on base, first telescopic link, the second telescopic link and be connected with first transmission shaft, first transmission shaft, A second transmission shaft and a third transmission shaft, wherein a motor gear is installed on a rotating shaft of the driving motor, a first screw gear synchronously rotating with the motor gear is installed at the tail end of the first ball screw, a first transmission gear meshed with the first screw gear is installed at the tail end of the first transmission shaft, a second screw gear is installed at the tail end of the second ball screw, a second transmission gear meshed with the second screw gear is further installed on the first transmission shaft, a third transmission gear meshed with the second screw gear is installed at the tail end of the second transmission shaft, a third screw gear is installed at the tail end of the third ball screw, a fourth transmission gear meshed with the third screw gear is further installed on the second transmission shaft, and a fifth transmission gear meshed with the third screw gear is installed at the tail end of the third transmission shaft, and a fourth screw gear is installed at the tail end of the fourth ball screw, and a sixth transmission gear meshed with the fourth screw gear is further installed on the third transmission shaft.
The bottom of the first telescopic rod is fixedly provided with a first fixed seat, and the first ball seat, the second lead screw gear, the second transmission gear and the third transmission gear are all arranged in the first fixed seat.
The bottom of the second telescopic rod is fixedly provided with a second fixed seat, and the second ball seat, the third lead screw gear, the fourth transmission gear and the fifth transmission gear are all arranged in the second fixed seat.
The bottom of the third telescopic rod is fixedly provided with a third fixed seat, and the third ball seat, the fourth ball screw and the sixth transmission gear are all arranged in the third fixed seat.
The bottom of the fourth telescopic rod is fixedly provided with a fourth fixed seat, and a fourth ball seat is arranged in the fourth fixed seat.
The utility model has the advantages that: the utility model discloses an actuating motor passes through the first ball screw of gear engagement control and rotates, the lift of first telescopic link is realized to first ball seat through being connected with it, simultaneously first ball screw also rotates with first transmission shaft is synchronous, first transmission shaft passes through gear and the synchronous rotation of second ball screw meshing, the lift of second telescopic link is realized to the second ball seat through being connected with it, second ball screw also rotates with the second transmission shaft is synchronous simultaneously, analogize so, can realize the synchronous lift of a plurality of lifter, compact structure is reliable, in addition ball screw and ball seat are supporting to be used, only need with the ball seat install on the fixing base can, need not to carry out the precision finishing to the fixing base, greatly reduced production cost.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is one of the schematic cross-sectional views of the present invention;
fig. 2 is a second schematic cross-sectional view of the present invention;
fig. 3 is a third schematic cross-sectional view of the present invention;
fig. 4 is a fourth schematic sectional view of the present invention;
fig. 5 is a plan view of the present invention.
Detailed Description
Referring to fig. 1 to 5, a multisection synchronous lifter comprises a base 1, an outer sleeve 2, a first telescopic rod 3, a second telescopic rod 4, a third telescopic rod 5 and a fourth telescopic rod 6 which are sequentially sleeved from outside to inside, a support plate (34) is installed at the top of the fourth telescopic rod 6, a driving motor 7 is installed on the base 1, a first ball seat 8, a second ball seat 9, a third ball seat 10 and a fourth ball seat 11 are respectively and fixedly installed on the first telescopic rod 3, the second telescopic rod 4, the third telescopic rod 5 and the fourth telescopic rod 6, a first ball screw 12, a second ball screw 13, a third ball screw 14 and a fourth ball screw 15 are respectively and rotatably connected on the base 1, the first telescopic rod 3, the second telescopic rod 4 and the third telescopic rod 5, and the first ball screw 12, the second ball screw 13, the third ball screw 14 and the fourth ball screw 15 are respectively connected, A fourth ball screw 15 is respectively connected to the first ball seat 8, the second ball seat 9, the third ball seat 10 and the fourth ball seat 11, the base 1, the first telescopic rod 3 and the second telescopic rod 4 are respectively connected to a first transmission shaft 16, a second transmission shaft 17 and a third transmission shaft 18 in a rotating manner, in this embodiment, the first transmission shaft 16, the second transmission shaft 17 and the third transmission shaft 18 may be a circular shaft or a polygonal shaft, a motor gear 19 is installed on a rotating shaft of the driving motor 7, a first screw gear 20 rotating synchronously with the motor gear 19 is installed at a tail end of the first ball screw 12, a first transmission gear 21 engaged with the first screw gear 20 is installed at a tail end of the first transmission shaft 16, a second screw gear 22 is installed at a tail end of the second ball screw 13, and a second transmission gear 23 engaged with the second screw gear 22 is installed on the first transmission shaft 16, a third transmission gear 24 meshed with the second lead screw gear 22 is installed at the tail end of the second transmission shaft 17, a third lead screw gear 25 is installed at the tail end of the third ball screw 14, a fourth transmission gear 26 meshed with the third lead screw gear 25 is further installed on the second transmission shaft 17, a fifth transmission gear 27 meshed with the third lead screw gear 25 is installed at the tail end of the third transmission shaft 18, a fourth lead screw gear 28 is installed at the tail end of the fourth ball screw 15, a sixth transmission gear 29 meshed with the fourth lead screw gear 28 is further installed on the third transmission shaft 18, the driving motor controls the first ball screw to rotate through gear meshing, the lifting of the first telescopic rod is realized through a first ball seat connected with the first ball screw, meanwhile, the first ball screw also synchronously rotates with the first transmission shaft, and the first transmission shaft synchronously rotates through gear meshing with the second ball screw, the second ball screw seat is connected with the lifting rod, the second ball screw rod synchronously rotates with a second transmission shaft, and the like, a plurality of lifting rods can be synchronously lifted, the structure is compact and reliable, the ball screw rod and the ball seat are used in a matched mode, the ball seat is only required to be installed on the telescopic rod, accurate processing is not required to be carried out on the ball seat, the production cost can be greatly reduced, and the ball screw rod can be replaced by a trapezoidal screw rod, but the ball screw rod is preferably adopted.
The bottom fixed mounting of first telescopic link 3 has first fixing base 30, first ball seat 8, second lead screw gear 22, second drive gear 23 and third drive gear 24 are all installed in first fixing base 30, all install each gear in the fixing base, compact structure is reliable.
The bottom of the second telescopic rod 4 is fixedly provided with a second fixed seat 31, the second ball seat 9, the third screw rod gear 25, the fourth transmission gear 26 and the fifth transmission gear 27 are all arranged in the second fixed seat 31, and all the gears are arranged in the fixed seats, so that the structure is compact and reliable.
The bottom of the third telescopic rod 5 is fixedly provided with a third fixed seat 32, the third ball seat 10, the fourth ball screw 15 and the sixth transmission gear 29 are all arranged in the third fixed seat 32, all the gears are arranged in the fixed seats, and the structure is compact and reliable.
The bottom fixed mounting of fourth telescopic link 6 has fourth fixing base 33, fourth ball seat 11 is installed in the fourth fixing base 33, all install each gear in the fixing base, compact structure is reliable.
The above embodiments do not limit the scope of the present invention, and those skilled in the art can make equivalent modifications and variations without departing from the overall concept of the present invention.
Claims (5)
1. A multi-section synchronous lifting rod comprises a base (1), an outer sleeve (2), a first telescopic rod (3), a second telescopic rod (4), a third telescopic rod (5) and a fourth telescopic rod (6) which are sequentially sleeved from outside to inside, wherein the base (1) is provided with a driving motor (7), and the multi-section synchronous lifting rod is characterized in that the first telescopic rod (3), the second telescopic rod (4), the third telescopic rod (5) and the fourth telescopic rod (6) are respectively and fixedly provided with a first ball seat (8), a second ball seat (9), a third ball seat (10) and a fourth ball seat (11), the base (1), the first telescopic rod (3), the second telescopic rod (4) and the third telescopic rod (5) are respectively and rotatably connected with a first ball screw (12), a second ball screw (13), a third ball screw (14) and a fourth ball screw (15), and the first ball screw (12), the second ball screw (13), the third ball screw (14) and the fourth ball screw (15) are respectively connected with the first ball seat (8), the second ball seat (9), the third ball seat (10) and the fourth ball seat (11), the base (1), the first telescopic rod (3) and the second telescopic rod (4) are respectively and rotatably connected with a first transmission shaft (16), a second transmission shaft (17) and a third transmission shaft (18), a motor gear (19) is installed on a rotating shaft of the driving motor (7), a first screw gear (20) which synchronously rotates with the motor gear (19) is installed at the tail end of the first ball screw (12), a first transmission gear (21) which is meshed with the first screw gear (20) is installed at the tail end of the first transmission shaft (16), a second screw gear (22) is installed at the tail end of the second ball screw (13), a second transmission gear (23) meshed with the second screw rod gear (22) is further arranged on the first transmission shaft (16), a third transmission gear (24) meshed with the second screw rod gear (22) is arranged at the tail end of the second transmission shaft (17), a third screw gear (25) is arranged at the tail end of the third ball screw (14), a fourth transmission gear (26) meshed with the third screw rod gear (25) is further arranged on the second transmission shaft (17), a fifth transmission gear (27) meshed with the third screw rod gear (25) is arranged at the tail end of the third transmission shaft (18), a fourth screw gear (28) is arranged at the tail end of the fourth ball screw (15), and a sixth transmission gear (29) meshed with the fourth screw rod gear (28) is further mounted on the third transmission shaft (18).
2. The multi-section synchronous lifting rod according to claim 1, wherein a first fixed seat (30) is fixedly installed at the bottom of the first telescopic rod (3), and the first ball seat (8), the second lead screw gear (22), the second transmission gear (23) and the third transmission gear (24) are all installed in the first fixed seat (30).
3. The multi-section synchronous lifting rod according to claim 1, characterized in that a second fixed seat (31) is fixedly installed at the bottom of the second telescopic rod (4), and the second ball seat (9), the third screw gear (25), the fourth transmission gear (26) and the fifth transmission gear (27) are all installed in the second fixed seat (31).
4. The multi-section synchronous lifting rod according to claim 1, characterized in that a third fixed seat (32) is fixedly installed at the bottom of the third telescopic rod (5), and the third ball seat (10), the fourth ball screw (15) and the sixth transmission gear (29) are all installed in the third fixed seat (32).
5. The multi-section synchronous lifting rod according to claim 1, characterized in that a fourth fixed seat (33) is fixedly installed at the bottom of the fourth telescopic rod (6), and the fourth ball seat (11) is installed in the fourth fixed seat (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921293451.3U CN210620108U (en) | 2019-08-09 | 2019-08-09 | Multi-section synchronous lifting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921293451.3U CN210620108U (en) | 2019-08-09 | 2019-08-09 | Multi-section synchronous lifting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210620108U true CN210620108U (en) | 2020-05-26 |
Family
ID=70748894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921293451.3U Active CN210620108U (en) | 2019-08-09 | 2019-08-09 | Multi-section synchronous lifting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210620108U (en) |
-
2019
- 2019-08-09 CN CN201921293451.3U patent/CN210620108U/en active Active
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