CN220378811U - Ball screw with support bearing - Google Patents
Ball screw with support bearing Download PDFInfo
- Publication number
- CN220378811U CN220378811U CN202321119648.1U CN202321119648U CN220378811U CN 220378811 U CN220378811 U CN 220378811U CN 202321119648 U CN202321119648 U CN 202321119648U CN 220378811 U CN220378811 U CN 220378811U
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- Prior art keywords
- nut
- support bearing
- reverser
- ball screw
- lever body
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- 230000033001 locomotion Effects 0.000 claims abstract description 8
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a ball screw with a support bearing, which comprises a lever body and the support bearing, wherein a nut is rotatably matched on the lever body, the nut and an inner ring of the support bearing are integrally arranged, a ball is arranged between the nut and the lever body, a reverser for the ball to pass through is also arranged on the nut, a wedge block for matching with the movement of a piston is arranged at one end of the lever body, a stop block is arranged at the other end of the lever body, a stop block is arranged at the position corresponding to the stop block on the nut, the stop block is abutted against the stop block to form a limit for the rotation of the lever body, and a connecting pin for matching with a planetary gear is arranged on the end face of the support bearing. The planetary gear has the advantages of simple structure, better cooperation with the planetary gear structure, reliable use and good use effect.
Description
Technical Field
The utility model relates to the field of bearings and ball screws with support bearings, in particular to a novel ball screw with a support bearing.
Background
The ball screw with support bearing consists of screw, nut, steel ball, support bearing and reverser, and is the most commonly used transmission element for tool machine and precision machine. At present, in a brake system of an automobile, the brake system needs to be matched with a planetary gear, so that the conventional matching is difficult, and the using effect of the structure is affected.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the ball screw with the support bearing, which has simple structure, can be matched with a planetary gear structure better, is reliable in use and has good use effect.
In order to achieve the above purpose, the utility model provides a ball screw with a support bearing, which comprises a lever body and the support bearing, wherein a nut is rotatably matched on the lever body, the nut and an inner ring of the support bearing are integrally arranged, a ball is arranged between the nut and the lever body, a reverser for the ball to pass through is also arranged on the nut, a wedge block for matching with the movement of a piston is arranged at one end of the lever body, a stop block is arranged at the other end of the lever body, a limit block is arranged at the position of the nut corresponding to the stop block, the stop block is abutted against the limit block to form a limit for the rotation of the lever body, and a connecting pin for matching with a planetary gear is arranged on the end face of the support bearing.
The beneficial effect that sets up like this is, adopt above-mentioned scheme, through the nut, the lever body, the cooperation of reverser and roller, realize the fore-and-aft motion of the lever body, the motion principle of lead screw belongs to prior art, do not make in this and give a long notice, through the cooperation of dog and stopper, can restrict the further rotation of the lever body, avoid deviate from, guarantee the stability that the structure used, further, set up the lever body tip into the wedge, guarantee the connection effect, guarantee the driven reliability, still be provided with the connecting pin on the nut simultaneously, guarantee the connection reliability with planetary gear, can rotate under the effect of sun gear and promote the lever body axial feed, guarantee driven reliability, have good result of use, can also be four-point structure as the preferred back-up bearing, deep groove ball bearing has better aligning nature, and four-point structure bearing has better rigidity support and axial bearing, and this kind of simple structure, the operation is convenient, use is reliable.
As a further arrangement of the utility model, the nut is provided with a plurality of mounting windows, the reverser is obliquely arranged in the mounting groove, the two side walls of the reverser are respectively provided with a positioning block, the positioning blocks are in clearance fit with the thread grooves on the screw rod, and the bottom surface of the reverser is provided with a passage for the balls to pass through to enter the adjacent thread grooves.
The beneficial effects of setting like this are, adopt above-mentioned scheme, this kind of simple structure, the location is reliable, and it is convenient to use, has good result of use.
As a further arrangement of the utility model, the peripheral wall of the positioning block is provided with the convex rib, and the convex rib is in contact with the inner wall of the nut.
The beneficial effects that set up like this are, adopt above-mentioned scheme, further guarantee the stability of reverser position, simple structure does benefit to the realization simultaneously, has good result of use.
As a further arrangement of the utility model, the side edge of the reverser is provided with a flange, a clamping protrusion is arranged between the reverser and the side edge, and the outer wall of the clamping protrusion is provided with a latch.
The beneficial effects that set up like this are, adopt above-mentioned scheme, are convenient for fix a position the reverser, and the location is reliable stable simultaneously, and follow-up dismantlement of being convenient for has good result of use.
As a further arrangement of the utility model, the two ends of the lever body are respectively provided with an inserting port.
The beneficial effects that set up like this are, adopt above-mentioned scheme, convenient cooperation is connected, improves the reliability that overall structure connects, and simple structure does benefit to the realization simultaneously, has good result of use.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of an embodiment of the present utility model;
FIG. 3 is a top view of an embodiment of the present utility model;
FIG. 4 is a bottom view of an embodiment of the present utility model;
fig. 5 is a schematic diagram of an inverter according to an embodiment of the utility model.
Detailed Description
A first embodiment of a ball screw with support bearing of the present utility model is shown in fig. 1-5: including the thick stick body 2 and support bearing 4, normal running fit has nut 1 on the thick stick body 2, nut 1 and the integrative setting of support bearing 4 inner circle, be provided with the ball between nut 1 and the thick stick body 2, still be provided with on the nut 1 and be used for supplying the ball to pass through the reverser 5, thick stick body 2 one end is provided with the wedge 21 that is used for cooperating the piston motion, and the other end is provided with sets up dog 22, the last stopper 11 that corresponds dog 22 position of nut 1 is provided with, dog 22 and stopper 11 conflict form the spacing to thick stick body 2 pivoted, be provided with on the support bearing 4 terminal surface be used for with planetary gear complex connecting pin 3.
The beneficial effect that sets up like this is, adopt above-mentioned scheme, through the cooperation of nut 1, the lever body 2, reverser 5 and roller, realize the back-and-forth movement of lever body 2, the motion principle of lever body 2 belongs to prior art here and does not do in detail, through the cooperation of dog 22 and stopper 11, can restrict the further rotation of lever body 2, avoid deviating from, guarantee the stability that the structure used, further, set up the lever body 2 tip into wedge 21, guarantee the connection effect, guarantee driven reliability, still be provided with connecting pin 3 on the nut 1 simultaneously, guarantee the connection reliability with planetary gear, can rotate under the effect of sun gear and promote lever body 2 axial feeding, guarantee driven reliability, have good result of use, can be the deep groove ball as preferred support bearing 4 also can be four point structure, the deep groove ball bearing has better aligning nature, and four point structure bearing has better rigidity and supports and axial bearing, and is simple in structure, the operation is convenient, it is reliable to use.
As a further arrangement of the utility model, the nut 1 is provided with a plurality of mounting windows, the reverser 5 is obliquely arranged in the mounting groove, the two side walls of the reverser 5 are respectively provided with a positioning block 51, the positioning blocks 51 are in clearance fit with the thread grooves on the lever body 2, and the bottom surface of the reverser 5 is provided with a passage for the balls to pass through to enter the adjacent thread grooves. The beneficial effects of setting like this are, adopt above-mentioned scheme, this kind of simple structure, the location is reliable, and it is convenient to use, has good result of use.
As a further arrangement of the present utility model, a rib 52 is disposed on the outer peripheral wall of the positioning block 51, and the rib 52 abuts against the inner wall of the nut 1. The beneficial effect of setting like this is, adopts above-mentioned scheme, further guarantees the stability in reverser 5 position, and simple structure does benefit to the realization simultaneously, has good result of use.
As a further arrangement of the utility model, a flange 53 is arranged on the side edge of the reverser 5, a clamping protrusion 54 is arranged between the reverser 5 and the side edge, and a latch is arranged on the outer wall of the clamping protrusion 54. The beneficial effects that set up like this are, adopt above-mentioned scheme, are convenient for fix a position reverser 5, and the location is reliable stable simultaneously, and follow-up dismantlement of being convenient for has good result of use.
As a further arrangement of the utility model, two ends of the lever body 2 are respectively provided with an inserting port. The beneficial effects that set up like this are, adopt above-mentioned scheme, convenient cooperation is connected, improves the reliability that overall structure connects, and simple structure does benefit to the realization simultaneously, has good result of use.
The above examples are only one of the preferred embodiments of the present utility model, and the ordinary changes and substitutions made by those skilled in the art within the scope of the technical solution of the present utility model are included in the scope of the present utility model.
Claims (5)
1. A ball screw having a support bearing, characterized by: including the thick stick body and support bearing, normal running fit has the nut on the thick stick body, nut and the integrative setting of support bearing inner circle, be provided with the ball between nut and the thick stick body, still be provided with the reverser that is used for supplying the ball to pass through on the nut, thick stick body one end is provided with the wedge that is used for cooperating the piston motion, and the other end is provided with the dog, the corresponding dog position is provided with the stopper on the nut, the dog is contradicted with the stopper and is formed the pivoted spacing to the thick stick body, be provided with on the support bearing terminal surface and be used for with planetary gear complex connecting pin.
2. The ball screw with support bearing of claim 1, wherein: the nut is provided with a plurality of mounting windows, the reverser is obliquely arranged in the mounting groove, the two side walls of the reverser are respectively provided with a positioning block, the positioning blocks are in clearance fit with the thread grooves on the screw rod, and the bottom surface of the reverser is provided with a channel for the balls to enter the adjacent thread grooves.
3. The ball screw with support bearing of claim 2, wherein: convex ribs are arranged on the peripheral wall of the positioning block and are in contact with the inner wall of the nut.
4. A ball screw with support bearing according to claim 2 or 3, characterized in that: the reverser is characterized in that a flange is arranged on the side edge of the reverser, a clamping protrusion is arranged between the reverser and the side edge, and a latch is arranged on the outer wall of the clamping protrusion.
5. The ball screw with support bearing of claim 1, wherein: the two ends of the lever body are respectively provided with an inserting port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321119648.1U CN220378811U (en) | 2023-05-10 | 2023-05-10 | Ball screw with support bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321119648.1U CN220378811U (en) | 2023-05-10 | 2023-05-10 | Ball screw with support bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220378811U true CN220378811U (en) | 2024-01-23 |
Family
ID=89571809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321119648.1U Active CN220378811U (en) | 2023-05-10 | 2023-05-10 | Ball screw with support bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220378811U (en) |
-
2023
- 2023-05-10 CN CN202321119648.1U patent/CN220378811U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |