CN111577808A - Small-resistance one-way damper - Google Patents
Small-resistance one-way damper Download PDFInfo
- Publication number
- CN111577808A CN111577808A CN201910715477.0A CN201910715477A CN111577808A CN 111577808 A CN111577808 A CN 111577808A CN 201910715477 A CN201910715477 A CN 201910715477A CN 111577808 A CN111577808 A CN 111577808A
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- CN
- China
- Prior art keywords
- rotating shaft
- resistance
- hole
- positioning
- swing
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 210000004907 gland Anatomy 0.000 claims abstract description 13
- 238000013016 damping Methods 0.000 claims abstract description 6
- 238000003466 welding Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims 1
- 238000012856 packing Methods 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/02—Vibration-dampers; Shock-absorbers with relatively-rotatable friction surfaces that are pressed together
- F16F7/06—Vibration-dampers; Shock-absorbers with relatively-rotatable friction surfaces that are pressed together in a direction perpendicular or inclined to the axis of rotation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D41/00—Freewheels or freewheel clutches
- F16D41/06—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
- F16D41/069—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by pivoting or rocking, e.g. sprags
Abstract
The invention discloses a small-resistance one-way damper which comprises a gland, a sealing ring, a one-way structure and a bottom shell, wherein damping oil is filled in the bottom shell, a through hole is formed in the center of the gland, a rotating shaft is arranged in the middle shaft of the one-way structure, the one-way structure is arranged in the bottom shell, the sealing ring penetrates through the rotating shaft of the one-way structure and is arranged on the upper surface of the one-way structure, and the gland penetrates through the rotating shaft of the one-way structure through the through hole and tightly presses the sealing ring to be welded with. According to the small-resistance one-way damper, the minimum resistance is formed by the friction resistance moment of the sealing ring, the one-way structure is modularized, the friction resistance moment of the sealing ring is reduced to the maximum extent, and meanwhile, the outer convex curved surface of the rotating shaft and the inner concave curved surface of the swing latch are interlocked, so that the one-way structure is enabled to idle and work to realize the switching without abnormal sound.
Description
Technical Field
The invention relates to the field of dampers, in particular to a small-resistance one-way damper.
Background
The existing one-way damper has a small working resistance value, and the idle resistance value of a product is formed by friction force between a sealing ring and a rubber piece, so that the idle resistance value is large. The idle resistance is small, and the outer diameter of the sealing ring approximately enables the minimum working resistance value of a product to be larger, so that a small-resistance one-way damper is designed.
Disclosure of Invention
The invention mainly aims to provide a small-resistance one-way damper which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
a small-resistance one-way damper comprises a gland, a sealing ring, a one-way structure and a bottom shell, wherein damping oil is filled in the bottom shell, a through hole is formed in the center of the gland, a rotating shaft is arranged in the middle shaft of the one-way structure, the one-way structure is arranged in the bottom shell, the sealing ring penetrates through the rotating shaft of the one-way structure and is arranged on the upper surface of the one-way structure, and the gland penetrates through the rotating shaft of the one-way structure through the through hole and is tightly pressed against the sealing ring to be;
the unidirectional structure comprises a sealing cover, a rotating shaft, a swing latch, a positioning ring and a rotating shaft body, wherein a circle of fixed teeth are arranged on the inner wall of the rotating shaft body, a vertical column is arranged at the central position inside the rotating shaft body, a through hole is arranged at the center of the positioning ring, the positioning ring is rotatably sleeved on the vertical column of the rotating shaft body through the through hole, a positioning hole is arranged at the edge of the positioning ring, a positioning column is arranged in the vertical direction at one end of the swing latch, movable teeth are arranged on the outer edge of the swing latch, the positioning column of the swing latch is rotatably sleeved in the positioning hole of the positioning ring, the rotating shaft is arranged at the center of the upper surface of the positioning ring, the rotating shaft is provided with an outer convex curved surface, the swing latch is provided with an inner concave curved surface, the outer convex curved surface and the inner concave curved surface are mutually locked and, the movable teeth on the swing latch can be occluded with the fixed teeth on the inner wall of the rotating shaft body, and the center of the sealing cover is provided with a through hole for the upper end of the rotating shaft to extend out of the ultrasonic welding cavity.
Preferably, a second protrusion is arranged at one end, close to the positioning column, of the concave curved surface of the swing latch, and a first protrusion is arranged at one end, far away from the positioning column, of the concave curved surface of the swing latch.
Preferably, the upper surface of the positioning ring is provided with a limiting block, and the outer edge of the rotating shaft is provided with a step matched with the limiting block.
Preferably, there are 3 of said swing latches.
Preferably, when the rotating shaft rotates forwards, the swing bolt is pushed to swing forwards, and the movable teeth on the swing bolt are meshed with the fixed teeth of the rotating shaft body, so that the rotating shaft and the rotating shaft body rotate synchronously.
Preferably, when the rotating shaft rotates reversely, the movable teeth are separated from the fixed teeth, and the rotating shaft and the positioning ring idle.
Compared with the prior art, the invention has the following beneficial effects: this one-way attenuator of low resistance, the minimum resistance of damping product is formed by the frictional resistance moment of sealing washer, and one-way structure modularization, furthest's reduction sealing washer frictional resistance moment, the interlocking of pivot evagination curved surface and swing bolt indent curved surface guarantees that one-way structure idle running and work are changeed and are realized the no abnormal sound and switch. The small sealing ring is arranged on the sealing cover with the one-way structure, does not rotate along with the rotating shaft during idling, the rotating shaft rotates automatically, no friction force caused by an additional sealing ring exists, and the friction force generated by the small sealing ring with the small outer diameter is small during working.
Drawings
FIG. 1 is a schematic view of the overall structure of a low-resistance one-way damper according to the present invention;
FIG. 2 is a schematic view of the mounting structure of the one-way damper of the present invention;
FIG. 3 is a schematic view of a swing bolt of the present invention;
FIG. 4 is a schematic view of a rotating shaft structure according to the present invention;
fig. 5 is a cross-sectional view of a unidirectional structure of the present invention.
In the figure: 1. a gland; 2. a seal ring; 3. a unidirectional structure; 4. a bottom case; 5. damping oil; 6. sealing the cover; 7. a rotating shaft; 8. a swing latch; 9. moving teeth; 10. a positioning ring; 11. a rotating shaft body; 12. fixing teeth; 13. a convex curved surface; 14. a concave curved surface; 15. a limiting block; 16. positioning holes; 17 positioning columns; 18. a step; 19. a first protrusion; 20. a second protrusion.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-5, the small-resistance one-way damper comprises a gland 1, a sealing ring 2, a one-way structure 3 and a bottom shell 4, wherein damping oil 5 is filled in the bottom shell 4, a through hole is formed in the center of the gland 1, a rotating shaft 7 is arranged in the middle shaft of the one-way structure 3, the one-way structure 3 is arranged in the bottom shell 4, the sealing ring 2 penetrates through the rotating shaft 7 of the one-way structure and is arranged on the upper surface of the one-way structure 3, and the gland 1 penetrates through the rotating shaft 7 of the one-way structure through the through hole and tightly presses the sealing ring 2 to be welded;
the unidirectional structure 3 is composed of a sealing cover 6, a rotating shaft 7, a swing latch 8, a positioning ring 10 and a rotating shaft body 11, wherein a circle of fixed teeth 12 is arranged on the inner wall of the rotating shaft body 11, a vertical column is arranged at the central position inside the rotating shaft body 11, a through hole is arranged at the center of the positioning ring 10, the positioning ring 10 is rotatably sleeved on the vertical column of the rotating shaft body 11 through the through hole, a positioning hole 16 is arranged at the edge of the positioning ring 10, a positioning column 17 is arranged in the vertical direction of one end of the swing latch 8, a movable tooth 9 is arranged at the outer edge of the swing latch 8, the positioning column 17 of the swing latch is rotatably sleeved in the positioning hole 16 of the positioning ring 10, the rotating shaft 7 is arranged at the center of the upper surface of the positioning ring 10, the rotating shaft 7 is provided with an outer convex curved surface 13, the swing latch 8 is provided with an inner, the rotating shaft 7, the swing bolt 8 and the positioning ring 10 are arranged in the ultrasonic welding cavity of the sealing cover 6 and the rotating shaft body 11, the movable teeth 9 on the swing bolt 8 can be meshed with the fixed teeth 12 on the inner wall of the rotating shaft body 11, and a through hole is formed in the center of the sealing cover 6 and is used for allowing the upper end of the rotating shaft 7 to extend out of the ultrasonic welding cavity.
A second protrusion 20 is disposed at an end of the concave curved surface 14 of the swing latch close to the positioning post 17, and a first protrusion 19 is disposed at an end of the concave curved surface 14 of the swing latch far from the positioning post 17.
The upper surface of the positioning ring 10 is provided with a limiting block 15, and the outer edge of the rotating shaft 7 is provided with a step 18 matched with the limiting block 15.
There are 3 of said swing latches 8.
When the rotating shaft 7 rotates forwards, the swing bolt 8 is pushed to swing forwards, the movable teeth 9 on the swing bolt 8 are meshed with the fixed teeth 12 of the rotating shaft body 11, and the rotating shaft 7 and the rotating shaft body 11 rotate synchronously.
When the rotating shaft 7 rotates reversely, the movable tooth 9 is separated from the fixed tooth 12, and the rotating shaft 7 and the positioning ring 10 idle.
When the rotating shaft 7 rotates in the forward direction, the rotating shaft 7 presses the first protrusion 19 on the swing latch 8 to push the swing latch 8 to swing in the forward direction, so that the movable teeth 9 are engaged with the fixed teeth 12 of the rotating shaft body 11, and the rotating shaft 7, the positioning ring 10 and the rotating shaft body 11 rotate coaxially and synchronously, so that the whole one-way structure rotates in the bottom shell 4.
When the rotating shaft 7 rotates reversely, the rotating shaft 7 presses the second protrusion 20 on the swing latch 8, the swing latch 8 swings reversely, the movable tooth 9 of the swing latch 8 disengages from the fixed tooth 12 of the rotating shaft body 11, the rotating shaft 11 does not rotate along with the rotating shaft 7, and the rotating shaft 7 and the positioning ring 10 idle.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (6)
1. The utility model provides a little resistance one-way damper, this one-way damper includes gland (1), sealing washer (2), unidirectional structure (3) and drain pan (4) and constitutes, the inside packing of drain pan (4) has damping oil (5), the through-hole has been seted up at gland (1) center, unidirectional structure (3) axis position is equipped with pivot (7), unidirectional structure (3) are arranged in drain pan (4), sealing washer (2) run through unidirectional structure pivot (7) and are arranged in on unidirectional structure (3) upper surface, gland (1) run through unidirectional structure pivot (7) through the through-hole and sticis sealed sealing washer (2) and drain pan (4) welding together.
The unidirectional structure (3) is composed of a sealing cover (6), a rotating shaft (7), a swing bolt (8), a positioning ring (10) and a rotating shaft body (11), a circle of fixed teeth (12) are arranged on the inner wall of the rotating shaft body (11), a stand column is arranged at the central position inside the rotating shaft body (11), a through hole is arranged at the center of the positioning ring (10), the positioning ring (10) is rotatably sleeved on the stand column of the rotating shaft body (11) through the through hole, a positioning hole (16) is arranged at the edge of the positioning ring (10), a positioning column (17) is arranged in the vertical direction of one end of the swing bolt (8), a movable tooth (9) is arranged at the outer edge of the swing bolt (8), the positioning column (17) of the swing bolt is rotatably sleeved in the positioning hole (16) of the positioning ring (10), the rotating shaft (7) is arranged at the center of the upper surface of the positioning ring (10), swing bolt (8) have concave curved surface (14), and the interlocking laminating between convex curved surface (13) and concave curved surface (14), closing cap (6) and pivot body (11) ultrasonic bonding, pivot (7), swing bolt (8) are arranged in with holding ring (10) closing cap (6) and the ultrasonic bonding die cavity of pivot body (11), movable tooth (9) on swing bolt (8) can interlock with fixed tooth (12) of the inner wall of pivot body (11), the through-hole has been seted up at closing cap (6) center, supplies pivot (7) upper end stretches out the ultrasonic bonding die cavity.
2. A low-resistance one-way damper as claimed in claim 1, wherein: a second protrusion (20) is arranged at one end, close to the positioning column (17), of the concave curved surface (14) of the swing bolt, and a first protrusion (19) is arranged at one end, far away from the positioning column (17), of the concave curved surface (14) of the swing bolt.
3. A low-resistance unidirectional damper according to claims 1-2, wherein: the upper surface of the positioning ring (10) is provided with a limiting block (15), and the outer edge of the rotating shaft (7) is provided with a step (18) matched with the limiting block (15).
4. A low-resistance unidirectional damper according to claims 1-3, wherein: the number of the swing bolts (8) is 3.
5. A low resistance unidirectional damper according to claims 1-4, wherein: when the rotating shaft (7) rotates forwards, the swinging bolt (8) is pushed to swing forwards, and the movable teeth (9) on the swinging bolt (8) are meshed with the fixed teeth (12) of the rotating shaft body (11), so that the rotating shaft (7) and the rotating shaft body (11) rotate synchronously.
6. A low-resistance unidirectional damper according to claims 1-5, wherein: when the rotating shaft (7) rotates reversely, the movable tooth (9) is separated from the fixed tooth (12) and the rotating shaft (7) and the positioning ring (10) idle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910715477.0A CN111577808A (en) | 2019-08-05 | 2019-08-05 | Small-resistance one-way damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910715477.0A CN111577808A (en) | 2019-08-05 | 2019-08-05 | Small-resistance one-way damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111577808A true CN111577808A (en) | 2020-08-25 |
Family
ID=72122466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910715477.0A Pending CN111577808A (en) | 2019-08-05 | 2019-08-05 | Small-resistance one-way damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111577808A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460202A (en) * | 2020-12-02 | 2021-03-09 | 奥众戴斯汽车电子科技(上海)有限公司 | Friction type one-way damper |
| CN112460202B (en) * | 2020-12-02 | 2024-05-03 | 奥众戴斯汽车电子科技(上海)有限公司 | Friction type unidirectional damper |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5090521A (en) * | 1990-05-18 | 1992-02-25 | Tok Bearing Co., Ltd. | One-way damper |
| CN202326881U (en) * | 2011-10-31 | 2012-07-11 | 俞科成 | One-way torsional damper |
| CN107208724A (en) * | 2015-01-29 | 2017-09-26 | 卡欧特欧自动化工程有限公司 | Rotary damper with unidirectional coupler |
| CN208268310U (en) * | 2018-06-08 | 2018-12-21 | 东莞市培尔电子有限公司 | A kind of spring one-way damper |
| CN210686808U (en) * | 2019-08-05 | 2020-06-05 | 赣州禾盈通用零部件有限公司 | Small-resistance one-way damper |
-
2019
- 2019-08-05 CN CN201910715477.0A patent/CN111577808A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5090521A (en) * | 1990-05-18 | 1992-02-25 | Tok Bearing Co., Ltd. | One-way damper |
| CN202326881U (en) * | 2011-10-31 | 2012-07-11 | 俞科成 | One-way torsional damper |
| CN107208724A (en) * | 2015-01-29 | 2017-09-26 | 卡欧特欧自动化工程有限公司 | Rotary damper with unidirectional coupler |
| CN208268310U (en) * | 2018-06-08 | 2018-12-21 | 东莞市培尔电子有限公司 | A kind of spring one-way damper |
| CN210686808U (en) * | 2019-08-05 | 2020-06-05 | 赣州禾盈通用零部件有限公司 | Small-resistance one-way damper |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460202A (en) * | 2020-12-02 | 2021-03-09 | 奥众戴斯汽车电子科技(上海)有限公司 | Friction type one-way damper |
| CN112460202B (en) * | 2020-12-02 | 2024-05-03 | 奥众戴斯汽车电子科技(上海)有限公司 | Friction type unidirectional damper |
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