CN108374859B - Shock absorber - Google Patents
Shock absorber Download PDFInfo
- Publication number
- CN108374859B CN108374859B CN201810129771.9A CN201810129771A CN108374859B CN 108374859 B CN108374859 B CN 108374859B CN 201810129771 A CN201810129771 A CN 201810129771A CN 108374859 B CN108374859 B CN 108374859B
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- China
- Prior art keywords
- sleeve
- damping device
- friction pad
- stage damping
- block
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- 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.)
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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
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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
- F16F7/08—Vibration-dampers; Shock-absorbers with friction surfaces rectilinearly movable along each other
- F16F7/09—Vibration-dampers; Shock-absorbers with friction surfaces rectilinearly movable along each other in dampers of the cylinder-and-piston type
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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
- F16F7/12—Vibration-dampers; Shock-absorbers using plastic deformation of members
- F16F7/128—Vibration-dampers; Shock-absorbers using plastic deformation of members characterised by the members, e.g. a flat strap, yielding through stretching, pulling apart
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The invention discloses a shock absorber, which is provided with a four-stage shock absorption device, and comprises a sleeve, a first-stage shock absorption device, a second-stage shock absorption device, a third-stage shock absorption device and a fourth-stage shock absorption device, wherein the first-stage shock absorption device is connected with the second-stage shock absorption device, the second-stage shock absorption device is connected with the third-stage shock absorption device, the third-stage shock absorption device is connected with the fourth-stage shock absorption device, the first-stage shock absorption device comprises a push rod, the friction block, the friction pad and the blocking sleeve are arranged in the sleeve in a penetrating mode, the end portion of the push rod is fixedly connected with the friction block, the friction pad is fixed to the other side face of the friction block, a circular truncated cone channel is arranged in the center of the friction pad, a circular truncated cone-shaped blocking sleeve is arranged on the right side of the friction pad, the size of the blocking sleeve is matched with the circular truncated cone channel of the friction pad, an accommodating space is formed between the blocking sleeve and the sleeve, and the accommodating space is matched with the shape of the friction pad. The invention can effectively absorb the impact capability and effectively protect the impacted carrier.
Description
Technical Field
The present invention relates to a shock absorber.
Background
In the prior art, the shock absorber comprises a main shock absorption part, a spring arranged on the main shock absorption part and an auxiliary shock absorption part assembled on the main shock absorption part, the shock absorber with the structure has poor shock absorption effect under heavy load, and shock absorption and buffering are difficult to realize in a short time.
Disclosure of Invention
The invention aims to provide a shock absorber.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a shock absorber, four levels of damping devices have, which comprises a sleeve, first order damping device, second level damping device, third level damping device and fourth level damping device, first order damping device is connected with second level damping device, second level damping device is connected with third level damping device, third level damping device is connected with fourth level damping device, first order damping device includes the push rod, the clutch blocks, the friction pad, stop the cover, the push rod passes the sleeve setting in the sleeve, the tip and the friction block fixed connection of push rod, the another side of friction block is fixed with the friction pad, the center of friction pad is equipped with the round platform passageway, the right side of friction pad is provided with the stop collar of round platform form, the size of stop collar and the round platform passageway looks adaptation of friction pad, the accommodation space has between stop collar and the sleeve, the shape looks adaptation of accommodation space and friction pad.
Further, the outer wall surface of the friction pad is in contact with the inner wall surface of the sleeve, and the outer wall surface of the friction pad slides along the inner wall surface of the sleeve.
Further, the blocking sleeve is in contact with and slides along the inner wall of the sleeve.
Further, second level damping device includes first spring, first axostylus axostyle, bushing and buffer block, and the right flank of blocking the cover is fixed with first spring, and first spring housing is established on first axostylus axostyle, and fixed cover is equipped with the bushing on the first axostylus axostyle, is provided with the buffer block on the lateral wall of bushing, and another terminal surface of buffer block slides and sets up on the sleeve inner wall.
Furthermore, the bushing is provided with a first conical convex part and a second conical convex part which extend outwards, the other end of the first spring is fixed at the position of the first conical convex part, a concave part is arranged between the first conical convex part and the second conical convex part, a groove is formed in the concave part, and the buffer block is fixedly arranged in the groove.
Furthermore, the third-stage damping device comprises a buffering part, a rectangular convex part and an elastic block, the buffering part is fixedly connected to the right end face of the first shaft lever, the buffering part is provided with the rectangular convex part extending in the vertical direction, the elastic block is arranged on the right side of the rectangular convex part, and the elastic block is fixed on the inner wall of the sleeve; the cross-section of elastic block is trapezoidal, and the vertical distance of the left side bottom of elastic block apart from the up end of rectangle convex part is less than the vertical distance of the right side bottom of elastic block apart from the up end of rectangle convex part, has the clearance between the left side bottom of elastic block and the up end of rectangle convex part.
Further, the elastic block is made of a rubber material.
Further, fourth level damping device includes the extension portion, the holding tank, the ejector pin, the second spring, the fixed block, the second axostylus axostyle, the gear shaft, gear and rack, the bolster has the extension portion that extends to the right side, be provided with the holding tank between the extension portion, transversely be provided with the ejector pin in the holding tank, the cover is equipped with the second spring on the ejector pin, the other end of second spring is fixed on the fixed block, it has the axostylus axostyle passageway to run through on the fixed block, the second axostylus axostyle slides and sets up in the axostylus axostyle passageway, the left end fixed connection of second axostylus axostyle is at the right-hand.
The invention has the beneficial effects that: according to the invention, through the shock absorption buffering of the first-stage shock absorption device, the second-stage shock absorption device, the third-stage shock absorption device and the fourth-stage shock absorption device, a larger friction force is generated through friction, so that the elastic block is impacted and deformed, a part of energy is consumed, and through the rotation of the gear, the secondary damage to an impact carrier caused by the rebound of the second spring is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the second-stage damping device.
Fig. 3 is a schematic structural diagram of a fourth stage damping device.
Detailed Description
The technical solution of the present invention will be described clearly and completely through the following detailed description.
As shown in fig. 1, a shock absorber has four-stage damping device, including a sleeve 1, a first-stage damping device, a second-stage damping device, a third-stage damping device and a fourth-stage damping device.
The first-level damping device is connected with the second-level damping device, the second-level damping device is connected with the third-level damping device, and the third-level damping device is connected with the fourth-level damping device.
The first-stage damping device comprises a push rod 2, a friction block 3, a friction pad 4 and a blocking sleeve 5. The push rod 2 penetrates through the sleeve 1 and is arranged in the sleeve 1, the end part of the push rod 2 is fixedly connected with the friction block 3, the other side surface of the friction block 3 is fixedly provided with the friction pad 4, the outer wall surface of the friction pad 4 is attached to the inner wall surface of the sleeve 1, and the outer wall surface of the friction pad 4 slides on the inner wall surface of the sleeve 1 under the pushing of the push rod 2. The center of the friction pad 4 is provided with a circular truncated cone channel 401, the right side of the friction pad 4 is provided with a blocking sleeve 5, the blocking sleeve 5 is circular truncated cone-shaped, and the size of the blocking sleeve 5 is matched with the circular truncated cone channel 401 of the friction pad 4. An accommodating space 501 is formed between the blocking sleeve 5 and the sleeve 1, the cross section of the accommodating space 501 is triangular, the accommodating space 501 is matched with the shape of the friction pad 4, when the friction pad 4 moves rightwards, the friction pad 4 is pushed into the accommodating space 501, and then the blocking sleeve 5 enters the circular truncated cone channel 401 of the friction pad 4. The blocking sleeve 5 is in contact with the inner wall of the sleeve 1 and the blocking sleeve 5 slides along the inner wall of the sleeve 1. When the push rod 2 is stressed, the friction pad 4 and the blocking sleeve 5 are forced to approach each other, the friction pad 4 is squeezed into the accommodating space 501, the blocking sleeve 5 is squeezed into the circular truncated cone channel 401 of the friction pad 4, so that friction force is generated between the friction pad 4 and the blocking sleeve 5, and meanwhile, the friction pad 4 and the blocking sleeve 5 respectively generate great friction force with the inner wall of the sleeve 1 and consume part of energy.
As shown in fig. 2, the second stage damping means includes a first spring 6, a first shaft 7, a bushing 8, and a damper block 9. A first spring 6 is fixed on the right side face of the blocking sleeve 5, the first spring 6 is sleeved on a first shaft rod 7, and a lining cylinder 8 is fixedly sleeved on the first shaft rod 7. The bushing 8 has a first tapered protrusion 801 and a second tapered protrusion 802 protruding outward, and the other end of the first spring 6 is fixed at the position of the first tapered protrusion 801. A concave part is arranged between the first conical convex part 801 and the second conical convex part 802, a groove is formed in the concave part, the buffer block 9 is fixedly arranged in the groove, and the other end face of the buffer block 9 is arranged on the inner wall of the sleeve 1 in a sliding mode. The bushing 8 may be made of bakelite or rubber.
The third-stage damping device includes a cushion member 10, a rectangular protrusion 11, and an elastic block 12. The right end face of the first shaft lever 7 is fixedly connected with a buffer piece 10, the buffer piece 10 is provided with a rectangular convex portion 11 extending in the vertical direction, an elastic block 12 is arranged on the right side of the rectangular convex portion 11, and the elastic block 12 is made of rubber materials. The elastic block 12 is fixed on the inner wall of the sleeve 1. The section of the elastic block 12 is trapezoidal, the vertical distance from the left bottom end of the elastic block 12 to the upper end face of the rectangular convex part 11 is smaller than the vertical distance from the right bottom end of the elastic block 12 to the upper end face of the rectangular convex part 11, a gap is formed between the left bottom end of the elastic block 12 and the upper end face of the rectangular convex part 11, when the rectangular convex part 11 moves towards the right side, the rectangular convex part 11 does not contact with the lower end face of the elastic block 12, when the rectangular convex part 11 reaches the middle position of the elastic block 12, the lower end face of the elastic block 12 is contacted, at the moment, the friction force is zero, when the rectangular convex part 11 continues to move towards the right side, the friction force is generated between the rectangular convex part 11 and the elastic block 12, the elastic block 12 is deformed by the pressure.
As shown in fig. 3, the fourth stage damping means includes an extension 13, a receiving groove 14, a push rod 15, a second spring 16, a fixing block 17, a second shaft 18, a gear shaft 19, a gear 20, and a rack 21. The buffer 10 is provided with an extension part 13 extending towards the right side, an accommodating groove 14 is arranged between the extension parts, a mandril 15 is transversely arranged in the accommodating groove 14, a second spring 16 is sleeved on the mandril 15, the other end of the second spring 16 is fixed on a fixing block 17, a shaft rod channel penetrates through the fixing block 17, a second shaft rod 18 is arranged in the shaft rod channel in a sliding manner, the left end of the second shaft rod 18 is fixedly connected to the right end face of the mandril 15, a gear shaft 19 is fixedly connected to the right end of the second shaft rod 18, a gear 20 is sleeved on the gear shaft 19, the gear 20 is arranged above a rack 21 and meshed with the rack 21, when the mandril 15 moves towards the right side under stress, the second shaft rod 18 is pushed to move towards the right side along the shaft rod channel.
The above-mentioned embodiments are merely descriptions of the preferred embodiments of the present invention, and do not limit the concept and scope of the present invention, and various modifications and improvements made to the technical solutions of the present invention by those skilled in the art should fall into the protection scope of the present invention without departing from the design concept of the present invention, and the technical contents of the present invention as claimed are all described in the technical claims.
Claims (5)
1. A shock absorber, characterized by: the damping device comprises a four-stage damping device, which comprises a sleeve (1), a first-stage damping device, a second-stage damping device, a third-stage damping device and a fourth-stage damping device, wherein the first-stage damping device is connected with the second-stage damping device, the second-stage damping device is connected with the third-stage damping device, the third-stage damping device is connected with the fourth-stage damping device, the first-stage damping device comprises a push rod (2), a friction block (3), a friction pad (4) and a blocking sleeve (5), the push rod (2) penetrates through the sleeve (1) and is arranged in the sleeve (1), the end part of the push rod (2) is fixedly connected with the friction block (3), the other side surface of the friction block (3) is fixedly provided with the friction pad (4), the center of the friction pad (4) is provided with a circular truncated cone channel (401), the right side of the friction pad (4) is provided with the circular cone-shaped blocking sleeve (5), and the size, an accommodating space (501) is formed between the blocking sleeve (5) and the sleeve (1), and the accommodating space (501) is matched with the shape of the friction pad (4);
the second-stage damping device comprises a first spring (6), a first shaft lever (7), a lining cylinder (8) and a buffer block (9), the first spring (6) is fixed on the right side face of the blocking sleeve (5), the first spring (6) is sleeved on the first shaft lever (7), the lining cylinder (8) is fixedly sleeved on the first shaft lever (7), the buffer block (9) is arranged on the outer side wall of the lining cylinder (8), and the other end face of the buffer block (9) is arranged on the inner wall of the sleeve (1) in a sliding mode;
the third-stage damping device comprises a damping element (10), rectangular convex parts (11) and elastic blocks (12), the damping element (10) is fixedly connected to the right end face of the first shaft lever (7), the damping element (10) is provided with the rectangular convex parts (11) extending in the vertical direction, the elastic blocks (12) are arranged on the right sides of the rectangular convex parts (11), and the elastic blocks (12) are fixed on the inner wall of the sleeve (1); the section of the elastic block (12) is trapezoidal, the vertical distance from the left bottom end of the elastic block (12) to the upper end face of the rectangular convex part (11) is smaller than the vertical distance from the right bottom end of the elastic block (12) to the upper end face of the rectangular convex part (11), and a gap is formed between the left bottom end of the elastic block (12) and the upper end face of the rectangular convex part (11);
the fourth-stage damping device comprises an extension part (13), an accommodating groove (14), ejector rods (15), second springs (16), fixed blocks (17), second shaft rods (18), a gear shaft (19), gears (20) and racks (21), wherein the buffer part (10) is provided with the extension part (13) extending towards the right side, the accommodating groove (14) is arranged between the extension parts (13), the ejector rods (15) are transversely arranged in the accommodating groove (14), the second springs (16) are sleeved on the ejector rods (15), the other ends of the second springs (16) are fixed on the fixed blocks (17), shaft rod channels penetrate through the fixed blocks (17), the second shaft rods (18) are arranged in the shaft rod channels in a sliding mode, the left ends of the second shaft rods (18) are fixedly connected to the right end faces of the ejector rods (15), the right ends of the second shaft rods (18) are fixedly connected with the gear shaft (19), and the gears (20) are sleeved, the gear (20) is arranged above the rack (21) and meshed with the rack (21).
2. A shock absorber according to claim 1, wherein: the outer wall surface of the friction pad (4) is attached to the inner wall surface of the sleeve (1), and the outer wall surface of the friction pad (4) slides along the inner wall surface of the sleeve (1).
3. A shock absorber according to claim 2, wherein: the blocking sleeve (5) is in contact with the inner wall of the sleeve (1) and the blocking sleeve (5) slides along the inner wall of the sleeve (1).
4. A shock absorber according to claim 1, wherein: the bushing (8) is provided with a first conical convex part (801) and a second conical convex part (802) which extend outwards, the other end of the first spring (6) is fixed at the position of the first conical convex part (801), a concave part is arranged between the first conical convex part (801) and the second conical convex part (802), a groove is formed in the concave part, and the buffer block (9) is fixedly arranged in the groove.
5. A shock absorber according to claim 1, wherein: the elastic block (12) is made of rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810129771.9A CN108374859B (en) | 2018-02-08 | 2018-02-08 | Shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810129771.9A CN108374859B (en) | 2018-02-08 | 2018-02-08 | Shock absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108374859A CN108374859A (en) | 2018-08-07 |
| CN108374859B true CN108374859B (en) | 2020-11-17 |
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ID=63017387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810129771.9A Active CN108374859B (en) | 2018-02-08 | 2018-02-08 | Shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108374859B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109966674A (en) * | 2019-02-25 | 2019-07-05 | 安徽瑞达机械有限公司 | It is a kind of can self-extinguishing AGV lithium battery group damping storing unit |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT412183B (en) * | 2001-01-25 | 2004-11-25 | Blum Gmbh Julius | DAMPING DEVICE FOR MOVABLE FURNITURE PARTS |
| ITMI20040154U1 (en) * | 2004-04-08 | 2004-07-08 | Agostino Ferrari Spa | SHOCK ABSORBER FOR MOVABLE PARTS OF A FURNITURE |
| DE102009042053A1 (en) * | 2009-09-08 | 2011-03-10 | Illinois Tool Works Inc., Glenview | damper |
| CN102734367B (en) * | 2012-05-11 | 2015-06-10 | 青岛科而泰环境控制技术有限公司 | Friction damper |
| KR101647562B1 (en) * | 2013-12-19 | 2016-08-10 | 가부시키가이샤 니프코 | Damper |
| CN204372021U (en) * | 2014-12-03 | 2015-06-03 | 华侨大学 | Self-resetting friction-changing damper |
| CN106545610B (en) * | 2016-11-25 | 2018-10-23 | 广东技术师范学院 | A kind of resonance free peak vibration isolator and its damping module |
| CN106989131B (en) * | 2017-04-10 | 2021-02-05 | 北京航空航天大学 | SMA wire split sleeve large-stroke active adjustment damper |
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2018
- 2018-02-08 CN CN201810129771.9A patent/CN108374859B/en active Active
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| Publication number | Publication date |
|---|---|
| CN108374859A (en) | 2018-08-07 |
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Effective date of registration: 20201028 Address after: 221700 Fengxian County Development Zone, Jiangsu, Xuzhou Applicant after: Jiangsu saner Auto Parts Co.,Ltd. Address before: Foshan City, Guangdong province 528500 city streets Gaoming District Jianli Jianli street two Lane 1, 2 ladder 501 room Applicant before: Shu Qiang Qin |
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