CN220382871U - Bidirectional electric push rod - Google Patents
Bidirectional electric push rod Download PDFInfo
- Publication number
- CN220382871U CN220382871U CN202321328967.3U CN202321328967U CN220382871U CN 220382871 U CN220382871 U CN 220382871U CN 202321328967 U CN202321328967 U CN 202321328967U CN 220382871 U CN220382871 U CN 220382871U
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- push rod
- thick bamboo
- handed screw
- handed
- cavity
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- 230000002457 bidirectional effect Effects 0.000 title description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 31
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 31
- 241001330002 Bambuseae Species 0.000 claims description 31
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 31
- 239000011425 bamboo Substances 0.000 claims description 31
- 238000007789 sealing Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 239000010720 hydraulic oil Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
A bi-directional electric putter, comprising: the utility model drives the sliding blocks on the screw rods at different rotation directions at two sides through the rotation of the worm gear and the worm, realizes the effect of simultaneous relative movement of the push rods at two sides, has simple integral structure, fully utilizes the large transmission ratio of the worm gear and the worm and the characteristic of self-locking, and can meet the use requirements under various conditions.
Description
Technical Field
The utility model relates to the field of mechanical equipment, in particular to a bidirectional electric push rod.
Background
The push rod has wide application in daily life, and can be directly or indirectly used by beds with storage function, swivel chairs with lifting function, excavators, engineering cranes, forklifts and the like. The existing push rod on the market is mainly divided into two types, namely a hydraulic push rod and an electric push rod, wherein the two types of push rods are widely used in life, but have certain defects, on one hand, the hydraulic push rod is required to be additionally provided with a throttle valve for changing the expansion speed, which complicates the structure of the hydraulic rod, in addition, the hydraulic push rod is required to increase the thrust force, and is required to be replaced with a larger hydraulic cylinder and a hydraulic oil pump, which can cause the whole volume of the hydraulic push rod to be enlarged, the use of the hydraulic push rod under certain conditions is limited, on the other hand, although the expansion speed and the thrust force of the electric push rod can be accurately regulated through the power of an adjusting motor, the existing electric push rod can only perform unidirectional expansion and contraction, and can not simultaneously perform bidirectional movement like a double-piston hydraulic push rod, and the use of the existing electric push rod is limited under certain conditions. The related art currently retrieved is listed below:
chinese patent 1; name: an electric telescopic rod; patent number: 202111185167.6; summary: the utility model aims to provide an electric telescopic rod capable of effectively reducing torque applied to other connecting pieces in the installation process of a push rod, which comprises a motor sleeve component, a speed reduction direct current motor connected with the motor sleeve component, a coupler connected with an output shaft of the speed reduction direct current motor, a screw rod component connected with the axial direction of the coupler, the push rod connected with the screw rod component, and a position feedback component connected with the motor sleeve component, the speed reduction direct current motor and the screw rod component. According to the utility model, the code disc is arranged on the direct current motor, the rotation number of the direct current motor can be accurately read through the grating encoder, the movement displacement of the electric telescopic rod can be determined by combining the lead of the lead screw, the initial displacement point of the electric telescopic rod can be accurately determined through the limit switch, and the torque applied to other connecting pieces in the installation process of the push rod can be effectively reduced by adopting a linear connection mode of the motor and the push rod.
Chinese patent 2; name: a hydraulic rod and a hydraulic tensioner with the hydraulic rod; patent number: 201821766121.7; summary: compared with the traditional hydraulic rod or hydraulic tensioner, the hydraulic rod and the hydraulic tensioner with the hydraulic rod are provided with the connecting piece between the cylinder body of the hydraulic rod and the shell, so that the cylinder body is prevented from being separated from the shell, and the stripping force of the cylinder body is increased.
The above search results can show that the existing push rods on the market are mainly divided into two types, namely a hydraulic push rod and an electric push rod, wherein the two types of push rods are widely used in life, but have certain defects, on one hand, the hydraulic push rod is required to be additionally provided with a throttle valve for changing the expansion speed, which can complicate the structure of the hydraulic rod, in addition, the hydraulic push rod is required to increase the thrust force, and a larger hydraulic oil cylinder and a larger hydraulic oil pump are required to be replaced, so that the whole volume of the hydraulic push rod is increased, the use of the hydraulic push rod under certain conditions is limited, and on the other hand, the expansion speed and the thrust force of the electric push rod can be accurately regulated through the power of an adjusting motor, but the existing electric push rod can only carry out unidirectional expansion and contraction, and cannot simultaneously carry out bidirectional movement like a double-piston hydraulic push rod, which also causes the use of the electric push rod to be limited under certain conditions.
Disclosure of Invention
The utility model aims to provide a bidirectional electric push rod, which solves the problems that the expansion speed of a hydraulic push rod is difficult to adjust, the whole volume is larger when larger lifting force is realized, and the electric push rod cannot simultaneously expand and contract oppositely, and adopts the following scheme for realizing the purposes:
a bi-directional electric putter, comprising: turbine, left-hand lead screw, right-hand lead screw, left push rod section of thick bamboo, right push rod section of thick bamboo, bearing, worm, motor, cavity left-hand thread slider, cavity right-hand thread slider, cavity push rod, left end cover and right end cover, turbine left and right sides is fixed left-hand lead screw and right-hand lead screw respectively, left push rod section of thick bamboo and right push rod section of thick bamboo inside all is equipped with the spout, one side that is close to the turbine all is equipped with the baffle of taking the trompil, and all be equipped with the bearing in the baffle trompil, left-hand lead screw and right push rod section of thick bamboo pass the bearing of left push rod section of thick bamboo and right push rod section of thick bamboo respectively, the right-hand end side of left push rod section of thick bamboo and right push rod section of thick bamboo respectively is equipped with a semicircular opening, the worm passes through the bearing and installs in the circular mounting hole that constitutes jointly of left push rod section of thick bamboo right-hand end side and right push rod section of thick bamboo left end side and right push rod section of thick bamboo semicircular opening, and right push rod section of thick bamboo meshing with the turbine, left push rod section of thick bamboo and right push rod section of thick bamboo is connected through the flange jointly, and the output shaft and worm rigid coupling of motor, cavity left push rod section of thick bamboo and right push rod section of thick bamboo are located left push rod section of thick bamboo and right.
Further, the turbine, the left-handed screw and the right-handed screw are manufactured by adopting an integral molding process.
Further, a sealing ring is arranged at the joint of the circular mounting hole formed by the worm and the semicircular openings of the right end side surface of the left push rod barrel and the semicircular opening of the left end side surface of the right push rod barrel.
Further, a sealing ring is arranged in the installation gap between the left end cover and the hollow push rod.
Further, a sealing ring is arranged in the installation gap between the right end cover and the hollow push rod.
Further, the hole depth of the hollow push rod is larger than or equal to the length of the left-handed screw thread part minus the thickness of the hollow left-handed screw thread sliding block or the length of the right-handed screw thread part minus the thickness of the hollow right-handed screw thread sliding block.
Working principle:
when the motor starts to work, the worm drives the turbine to rotate, the turbine drives the screw rods on two sides to rotate, and the slide blocks on two sides are limited by the sliding grooves and cannot rotate along with the screw rods, so that the slide blocks on two sides can horizontally move along with the rotation of the screw rods under the action of threads, and the screw rods on two sides and the screw threads of the slide blocks are opposite in rotation direction, so that the slide blocks on two sides drive the hollow push rods to stretch or shrink simultaneously.
The utility model has the advantages that:
(1) Compared with a hydraulic push rod, the hydraulic push rod has the advantages that the motor is used as a power source, the accurate adjustment of the expansion speed of the push rod can be realized, and the motor is smaller in size under the condition of realizing the same lifting force.
(2) The utility model adopts the worm and gear as the transmission device, fully utilizes the characteristics of large transmission ratio and self-locking of the worm and gear transmission structure, further improves the maximum lifting force of the push rod, and when the motor fails, the push rod can also be self-locked, and the lifting height is kept unchanged, thereby not only ensuring the safety of equipment and site staff, but also facilitating the maintenance of the failed motor by technicians.
(3) According to the utility model, the screw rods and the sliding blocks with different rotation directions are arranged on the two sides of the turbine, so that the push rods can simultaneously extend and retract in opposite directions, the use scene of the existing electric push rod is enlarged, and meanwhile, the advantages of the existing hydraulic push rod and the existing electric push rod are taken into consideration.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic structural view of a left pushrod barrel and hollow left-handed threaded slider;
FIG. 3 is a schematic view of the structure of the right pushrod barrel and hollow right-handed threaded slider;
the meaning of each mark in the figure is as follows:
1-a turbine; 2-a left-handed screw; 3-right-handed screw rods; 4-left push rod barrel; 5-right push rod barrel; 6-bearing; 7-worm; 8-a motor; 9-hollow left-handed thread slide block; 10-a hollow right-handed thread slide block; 11-a hollow push rod; 12-left end cap; 13-right end cap.
Specific examples:
the following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
A bi-directional electric putter, comprising: turbine 1, left-hand lead screw 2, right-hand lead screw 3, left-hand lead screw 4, right-hand lead screw 5, bearing 6, worm 7, motor 8, cavity left-hand thread slider 9, cavity right-hand thread slider 10, cavity push rod 11, left end cover 12 and right end cover 13, turbine 1 left and right sides is fixed left-hand lead screw 2 and right-hand lead screw 3 respectively, left-hand lead screw 4 and right-hand lead screw 5 inside all are equipped with the spout, be close to turbine 1's one side all is equipped with the baffle that takes the trompil, and all be equipped with bearing 6 in the baffle trompil, left-hand lead screw 2 and right-hand lead screw 3 pass respectively left push rod 4 and right push rod 5's bearing 6, the right-hand end side of left push rod 4 and the left end side of right-hand push rod 5 respectively are equipped with a semicircular opening, worm 7 is installed in the semicircular opening of left end 4 right-hand end side and right-hand push rod 5 left end side face and jointly constitutes jointly, and with turbine 1 meshing, left push rod 4 and right push rod 5 pass through the flange and jointly fix motor output shaft 8, and left-hand lead screw 4 and right push rod 5 are located left-hand thread slider 10 and left end cover 10 and right end cover 5, and left-hand thread slider 3 and left end cover 10 and right end cover 3 are located left-hand thread 11 and right end cover 5 and left-hand thread 3 and the same in the hollow cross-section respectively, left end cover 10 and right end cover 3 and left-hand thread 3 and right end cover 3 are located respectively, the hollow thread slider 3 and left-hand thread 11 and left end cover 3 and the hollow right.
Preferably, the turbine 1, the left-handed screw 2 and the right-handed screw 3 are manufactured by adopting an integral molding process.
Preferably, a sealing ring is arranged at the joint of the circular mounting hole formed by the worm 7 and the semicircular openings of the right end side surface of the left push rod barrel 4 and the left end side surface of the right push rod barrel 5.
Preferably, a sealing ring is arranged at the mounting gap between the left end cover 12 and the hollow push rod 11.
Preferably, a sealing ring is arranged at the mounting gap between the right end cover 13 and the hollow push rod 11.
Preferably, the hole depth of the hollow push rod 11 is greater than or equal to the length of the threaded part of the left-handed screw 2 minus the thickness of the hollow left-handed threaded slider 9 or the length of the threaded part of the right-handed screw 3 minus the thickness of the hollow right-handed threaded slider 10.
Claims (6)
1. A bi-directional electric putter, comprising: turbine (1), left-handed screw (2), right-handed screw (3), left push rod section of thick bamboo (4), right push rod section of thick bamboo (5), bearing (6), worm (7), motor (8), cavity left-handed screw slider (9), cavity right-handed screw slider (10), cavity push rod (11), left end cover (12) and right end cover (13), left and right sides of turbine (1) are fixed left-handed screw (2) and right-handed screw (3) respectively, left push rod section of thick bamboo (4) and right push rod section of thick bamboo (5) are inside all to be equipped with the spout, all are equipped with the baffle that takes the trompil near one side of turbine (1), and all are equipped with bearing (6) in the baffle trompil, left-handed screw (2) and right push rod section of thick bamboo (3) pass respectively bearing (6) of left push rod section of thick bamboo (4) and right push rod section of thick bamboo (5), the right-hand member side of thick bamboo (4) and the left end side of right push rod section of thick bamboo (5) are equipped with a semicircle opening respectively, worm (7) are installed at the opening of left end side of left push rod section of thick bamboo (4) and right push rod section of thick bamboo (5) left end side through bearing (6) left end opening, and the joint hole of opening of left push rod section of thick bamboo (5) and left push rod section of thick bamboo (5) is formed jointly and the flange (4), the motor (8) is fixed jointly to the left push rod barrel (4) and the right push rod barrel (5), and the output shaft of motor (8) and worm (7) rigid coupling, cavity left-handed screw slider (9) and cavity right-handed screw slider (10) are located respectively in the spout of left push rod barrel (4) and right push rod barrel (5), and be connected with left-handed lead screw (2) and right-handed lead screw (3) respectively through the screw, two cavity push rods (11) are fixed respectively in cavity left-handed screw slider (9) left surface and cavity right-handed screw slider (10) right flank, left end cap (12) and right-hand member cap (13) are installed respectively at left end face and right push rod barrel (5) right-hand member face of left push rod barrel (4), and left end cap (12) and right-hand member cap (13) all are equipped with the trompil the same with cavity push rod (11) cross-section shape.
2. The bi-directional electric putter of claim 1 wherein: the turbine (1), the left-handed screw (2) and the right-handed screw (3) are manufactured by adopting an integrated forming process.
3. The bi-directional electric putter of claim 1 wherein: the connection part of the circular mounting hole formed by the worm (7) and the semicircular openings of the right end side surface of the left push rod barrel (4) and the left end side surface of the right push rod barrel (5) is provided with a sealing ring.
4. The bi-directional electric putter of claim 1 wherein: the mounting gap between the left end cover (12) and the hollow push rod (11) is provided with a sealing ring.
5. The bi-directional electric putter of claim 1 wherein: the installation gap between the right end cover (13) and the hollow push rod (11) is provided with a sealing ring.
6. The bi-directional electric putter of claim 1 wherein: the hole depth of the hollow push rod (11) is larger than or equal to the length of the threaded part of the left-handed screw (2) minus the thickness of the hollow left-handed threaded sliding block (9) or the length of the threaded part of the right-handed screw (3) minus the thickness of the hollow right-handed threaded sliding block (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321328967.3U CN220382871U (en) | 2023-05-29 | 2023-05-29 | Bidirectional electric push rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321328967.3U CN220382871U (en) | 2023-05-29 | 2023-05-29 | Bidirectional electric push rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220382871U true CN220382871U (en) | 2024-01-23 |
Family
ID=89572749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321328967.3U Active CN220382871U (en) | 2023-05-29 | 2023-05-29 | Bidirectional electric push rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220382871U (en) |
-
2023
- 2023-05-29 CN CN202321328967.3U patent/CN220382871U/en active Active
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