CN220523207U - Rolling friction trapezoidal screw rod - Google Patents
Rolling friction trapezoidal screw rod Download PDFInfo
- Publication number
- CN220523207U CN220523207U CN202322148932.8U CN202322148932U CN220523207U CN 220523207 U CN220523207 U CN 220523207U CN 202322148932 U CN202322148932 U CN 202322148932U CN 220523207 U CN220523207 U CN 220523207U
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- China
- Prior art keywords
- wall
- sleeve
- screw rod
- baffle
- rolling friction
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- 238000005096 rolling process Methods 0.000 title claims abstract description 45
- 239000011324 bead Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 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
- 230000002035 prolonged effect Effects 0.000 description 1
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- Transmission Devices (AREA)
Abstract
The utility model relates to the field of trapezoidal screw rods and discloses a rolling friction trapezoidal screw rod which comprises a screw rod, wherein a rolling ball is connected to the outer wall of the screw rod in a sliding manner, a first thread groove is formed in the outer wall of the rolling ball in a connecting manner, the first thread groove is formed in the inner wall of a first sleeve, a fixed block is fixedly connected to the outer wall of the first sleeve, a fixed groove is formed in the outer wall of the first sleeve, the fixed block is connected to the inner wall of the fixed groove in a sliding manner, a first thread block is fixedly connected to the outer wall of the first sleeve, a second thread groove is formed in the outer wall of the first thread block in a threaded manner, and the second thread groove is formed in the inner wall of a second sleeve. According to the utility model, after the rolling ball is used for a long time, the rolling ball is worn or damaged, the second sleeve is rotated to drive the outer wall of the first thread block of the second thread groove to be taken down, and then the first sleeve is pulled to drive the fixed block to be taken down from the inner wall of the fixed groove, so that the rolling ball can be rapidly overhauled or replaced.
Description
Technical Field
The utility model relates to the field of trapezoidal screw rods, in particular to a rolling friction trapezoidal screw rod.
Background
The trapezoidal screw rod is a transmission part widely applied to a transmission device and is formed by a spiral line. The trapezoidal screw rod is generally divided into a screw rod and a nut, and the trapezoidal screw rod realizes the transmission of force by matching with the threads of the nut to realize the rotation, so that the efficiency of the trapezoidal screw rod is improved, the service life of the trapezoidal screw rod is prolonged, and the trapezoidal screw rod is required to be used for the purpose.
The rolling friction trapezoidal screw rod is a common transmission part and is widely applied to the fields of machine tools, mechanical equipment, industrial automation and the like. The novel rolling friction type trapezoidal screw mainly comprises a trapezoidal screw and a threaded sleeve, rolling friction transmission is carried out between the screw and the threaded sleeve through balls or rollers, and the situation that the main structure is worn or damaged after long-time use and quick overhaul or replacement cannot be carried out possibly occurs in the traditional rolling friction type trapezoidal screw.
Disclosure of Invention
In order to make up for the defects, the utility model provides a rolling friction trapezoidal screw rod, which aims to solve the problem that the rolling friction trapezoidal screw rod cannot be overhauled or replaced rapidly.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a rolling friction trapezoidal lead screw, includes the lead screw, the outer wall sliding connection of lead screw has the rolling ball, the outer wall of rolling ball is eastern to be connected with first thread groove, first thread groove is seted up at first telescopic inner wall, first telescopic outer wall fixedly connected with fixed block, the fixed slot has been seted up to first telescopic outer wall, fixed block is at the inner wall sliding connection of fixed slot, first telescopic outer wall fixedly connected with first thread piece, the outer wall threaded connection of first thread piece has the second thread groove, the second thread groove is seted up at the telescopic inner wall of second.
As a further description of the above technical solution:
the lower surface of the screw rod is fixedly connected with a first baffle, and the upper surface of the first baffle is fixedly connected with a sliding column.
As a further description of the above technical solution:
the upper surface of the second sleeve is provided with a sliding hole, and the sliding hole is in sliding connection with the outer wall of the sliding column.
As a further description of the above technical solution:
the outer wall fixedly connected with second screw thread piece of lead screw, the outer wall threaded connection of second screw thread piece has first screw hole.
As a further description of the above technical solution:
the first threaded hole is formed in the lower surface of the second baffle, and the lower surface of the second baffle is matched with the upper surface of the sliding column.
As a further description of the above technical solution:
the lower surface of the first sleeve is tangential with the upper surface of the first baffle, and the upper surface of the first sleeve is tangential with the lower surface of the second baffle.
As a further description of the above technical solution:
the lower surface of the second sleeve is tangential with the upper surface of the first baffle, and the upper surface of the second sleeve is tangential with the lower surface of the first baffle.
The utility model has the following beneficial effects:
1. according to the utility model, firstly, the rolling beads are worn or damaged after long-time use, the second sleeve is rotated to drive the second thread groove to be taken down from the outer wall of the first thread block on the outer wall of the first sleeve, and then the first sleeve is pulled to drive the fixed block to be taken down from the inner wall of the fixed groove, so that the rolling beads on the inner wall of the first thread groove can be rapidly overhauled or replaced.
2. In the utility model, when the second sleeve drives the first sleeve to slide on the outer wall of the screw rod through the rolling beads, the second sleeve is prevented from rotating during sliding through the sliding column on the inner wall of the sliding hole, the second baffle is rotated to drive the first threaded hole to be connected with the outer wall of the second threaded block on the outer wall of the screw rod, and the use of the device can be limited through the first baffle and the second baffle to prevent the device from being separated from a safe working area.
Drawings
Fig. 1 is a schematic perspective view of a rolling friction trapezoidal screw rod according to the present utility model;
fig. 2 is a schematic diagram of a rolling friction trapezoidal screw according to the present utility model;
fig. 3 is a schematic view of a first sleeve of a rolling friction trapezoidal screw according to the present utility model;
fig. 4 is a schematic diagram of a second sleeve of a rolling friction trapezoidal screw according to the present utility model;
fig. 5 is a schematic diagram of a second baffle of a rolling friction trapezoidal screw according to the present utility model.
Legend description:
1. a screw rod; 2. rolling the beads; 3. a first thread groove; 4. a first sleeve; 5. a fixed block; 6. a fixing groove; 7. a first threaded block; 8. a second thread groove; 9. a second sleeve; 10. a first baffle; 11. a sliding column; 12. a sliding hole; 13. a second threaded block; 14. a first threaded hole; 15. and a second baffle.
Detailed Description
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.
Referring to fig. 1-5, one embodiment provided by the present utility model is: the rolling friction trapezoidal screw rod comprises a screw rod 1, wherein a rolling ball 2 is slidably connected to the outer wall of the screw rod 1, a first thread groove 3 is formed in the east of the outer wall of the rolling ball 2, the first thread groove 3 is formed in the inner wall of a first sleeve 4, a fixed block 5 is fixedly connected to the outer wall of the first sleeve 4, a fixed groove 6 is formed in the outer wall of the first sleeve 4, the fixed block 5 is slidably connected to the inner wall of the fixed groove 6, a first thread block 7 is fixedly connected to the outer wall of the first sleeve 4, a second thread groove 8 is formed in the outer wall of the first thread block 7 in a threaded connection mode, and the second thread groove 8 is formed in the inner wall of a second sleeve 9; the first sleeve 4 slides at the outer wall of the rolling ball 2 through the first thread groove 3 of the inner wall, the first sleeve 4 slides at the outer wall of the screw rod 1 through the rolling of the rolling ball 2, the rolling ball 2 can be worn or damaged after long-time use, the second sleeve 9 is rotated to drive the second thread groove 8 to be taken down from the outer wall of the first thread block 7 of the outer wall of the first sleeve 4, and the first sleeve 4 is pulled to drive the fixed block 5 to be taken down from the inner wall of the fixed groove 6, so that the rolling ball 2 of the inner wall of the first thread groove 3 can be overhauled or replaced rapidly.
The lower surface of the screw rod 1 is fixedly connected with a first baffle plate 10, the upper surface of the first baffle plate 10 is fixedly connected with a sliding column 11, the upper surface of the second sleeve 9 is provided with a sliding hole 12, and the sliding hole 12 is in sliding connection with the outer wall of the sliding column 11; the outer wall of the 9 is slid by the 12 at the 11, so that the 9 can be prevented from rotating during the working process.
The outer wall of the screw rod 1 is fixedly connected with a second threaded block 13, the outer wall of the second threaded block 13 is in threaded connection with a first threaded hole 14, the first threaded hole 14 is formed in the lower surface of a second baffle 15, and the lower surface of the second baffle 15 is in tangential engagement with the upper surface of the sliding column 11; 1 are screwed through the inner wall of the outer wall 13 at 14, so that 1 and 15 are connected.
The lower surface of the first sleeve 4 is engaged with the upper surface of the first baffle 10, and the upper surface of the first sleeve 4 is engaged with the lower surface of the second baffle 15; the escape of 4 from the safe operating area is prevented by 10 and 15.
The lower surface of the second sleeve 9 is engaged with the upper surface of the first baffle 10, and the upper surface of the second sleeve 9 is engaged with the lower surface of the first baffle 10; the escape of 9 from the safe operating area is prevented by 10 and 15.
Working principle: when the device is needed to be used, the first sleeve 4 is connected with the rolling beads 2 on the outer wall of the screw rod 1 through the first thread grooves 3, the second sleeve 9 is connected with the first thread blocks 7 on the outer wall of the first sleeve 4 through the second thread grooves 8 on the inner wall of the second sleeve 9, so that the second sleeve 9 is connected with the first sleeve 4, the second sleeve 9 slides up and down on the outer wall of the screw rod 1, the sliding holes 12 on the upper surface of the second sleeve 9 are driven to slide on the outer wall of the sliding column 11 on the upper surface of the first baffle 10 while the second sleeve 9 slides, the second sleeve 9 is prevented from rotating when the outer wall of the screw rod 1 slides, the first threaded holes 14 on the lower surface of the second sleeve 9 are driven to be connected with the second thread blocks 13 on the outer wall of the screw rod 1 through the first baffle 10, the second baffle 15 can be prevented from being separated from a safe working area in the sliding working process of the outer wall of the screw rod 1, the first sleeve 9 is driven to be rotated by the second baffle 15, the second sleeve 9 is prevented from being separated from the outer wall of the first threaded blocks 13, the second sleeve 9 is driven to be separated from the outer wall of the first baffle 4 or the second sleeve 4 is prevented from being rapidly replaced, the inner wall is prevented from being separated from the outer wall of the first threaded blocks 4 is driven to be rapidly rotated, and the inner wall of the second sleeve 4 is prevented from being separated from the outer wall of the outer wall is prevented from the outer wall of the first threaded block 4 from being separated from the outer wall 1 from the first threaded block 4 from the outer wall is connected with the first threaded screw thread block 7.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The rolling friction trapezoidal screw rod comprises a screw rod (1), and is characterized in that: the outer wall sliding connection of lead screw (1) has rolling pearl (2), the outer wall of rolling pearl (2) is eastern to be connected with first screw thread groove (3), the inner wall at first sleeve (4) is seted up in first screw thread groove (3), the outer wall fixedly connected with fixed block (5) of first sleeve (4), fixed slot (6) have been seted up to the outer wall of first sleeve (4), the inner wall sliding connection of fixed block (5) at fixed slot (6), the outer wall fixedly connected with first screw thread piece (7) of first sleeve (4), the outer wall screw thread connection of first screw thread piece (7) has second screw thread groove (8), the inner wall at second sleeve (9) is seted up in second screw thread groove (8).
2. A rolling friction trapezoidal screw according to claim 1, wherein: the lower surface of the screw rod (1) is fixedly connected with a first baffle (10), and the upper surface of the first baffle (10) is fixedly connected with a sliding column (11).
3. A rolling friction trapezoidal screw according to claim 1, wherein: the upper surface of the second sleeve (9) is provided with a sliding hole (12), and the sliding hole (12) is in sliding connection with the outer wall of the sliding column (11).
4. A rolling friction trapezoidal screw according to claim 1, wherein: the outer wall of the screw rod (1) is fixedly connected with a second threaded block (13), and the outer wall of the second threaded block (13) is in threaded connection with a first threaded hole (14).
5. A rolling friction trapezoidal screw according to claim 4, wherein: the first threaded hole (14) is formed in the lower surface of the second baffle plate (15), and the lower surface of the second baffle plate (15) is meshed with the upper surface of the sliding column (11).
6. A rolling friction trapezoidal screw according to claim 1, wherein: the lower surface of the first sleeve (4) is tangential to the upper surface of the first baffle (10), and the upper surface of the first sleeve (4) is tangential to the lower surface of the second baffle (15).
7. A rolling friction trapezoidal screw according to claim 1, wherein: the lower surface of the second sleeve (9) is tangential to the upper surface of the first baffle (10), and the upper surface of the second sleeve (9) is tangential to the lower surface of the first baffle (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322148932.8U CN220523207U (en) | 2023-08-10 | 2023-08-10 | Rolling friction trapezoidal screw rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322148932.8U CN220523207U (en) | 2023-08-10 | 2023-08-10 | Rolling friction trapezoidal screw rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220523207U true CN220523207U (en) | 2024-02-23 |
Family
ID=89936163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322148932.8U Active CN220523207U (en) | 2023-08-10 | 2023-08-10 | Rolling friction trapezoidal screw rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220523207U (en) |
-
2023
- 2023-08-10 CN CN202322148932.8U patent/CN220523207U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No.23 Tongxin East Road, Wujiang District, Suzhou City, Jiangsu Province, 215200 Patentee after: Suzhou Yuanteng Transmission Machinery Co.,Ltd. Country or region after: China Address before: 215223 Group 1, Anhu Village, Wanping, Hengfan, East the Taihu Lake Lake Eco tourism Resort (the Taihu Lake New Town), Wujiang District, Suzhou City, Jiangsu Province (in Wanping Xinsheng Sewing Machine Parts Manufacturing Agency, Wujiang City) Patentee before: Suzhou Yuanteng Transmission Machinery Co.,Ltd. Country or region before: China |