CN1260491C - Single-stage electromagnetic rheological flow damper - Google Patents
Single-stage electromagnetic rheological flow damper Download PDFInfo
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- CN1260491C CN1260491C CN 02154136 CN02154136A CN1260491C CN 1260491 C CN1260491 C CN 1260491C CN 02154136 CN02154136 CN 02154136 CN 02154136 A CN02154136 A CN 02154136A CN 1260491 C CN1260491 C CN 1260491C
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- magnet case
- runner
- pole parts
- electromagnetic current
- magnetic
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- Vibration Prevention Devices (AREA)
Abstract
The present invention relates to a single-stage electromagnetic rheological fluid damper. The single-stage electromagnetic rheological fluid damper comprises an upper magnetic conductor, a lower magnetic conductor, an electromagnetic solenoid, a connector, a sealing member I and a sealing member II, wherein a magnetic separating sleeve is used as a skeleton of the electromagnetic solenoid, and a magnetic pole of the upper magnetic conductor and a magnetic pole of the lower magnetic conductor are respectively positioned in the inner cavity of the electromagnetic solenoid and the inner cavity of the magnetic separating sleeve. Passages are arranged on the upper magnetic conductor and the lower magnetic conductor, and an annular magnetic gap flow passage is formed between the magnetic pole of the upper magnetic conductor and the magnetic pole of the lower magnetic conductor.
Description
Affiliated technical field
The present invention relates to fluid throttling arrangement, fluid damper, the electromagnetic current fluid damper of hydraulic system, especially the electromagnetic current fluid damper in electromagnetic current fluid vibration damping/shake device (as is arranged in electromagnetic current fluid damper on electromagnetic current fluid vibration damping/shake device piston, also claims piston assembly; And for example be positioned at the electromagnetic current fluid damper of electromagnetic current fluid vibration damping/shake device cavity end, on the piston of this moment electromagnetic current fluid damper can be set).
Background technique
At present, in the known electromagnetic current fluid application device, the outer formula throttling damping structure that all adopts the electromagnetic current fluid to cross, thereby the interior formula throttling damping structure that does not extensively adopt the electromagnetic current fluid to flow through by the o inner chamber by the o circumferential flux.Find in the application practice, the guiding problem that is difficult to handle piston when adopting outer formula throttling damping structure, make piston rod guide sleeve and Sealing be in the overhang stress during unbalance loading and wear out failure in advance, in order to overcome this problem, have at the additional guide piston of an end of piston, thereby alleviate the force-bearing situation at guide sleeve and Sealing place; Do not have effectively to utilize the magnet accumulating cap of o inner chamber when adopting outer formula throttling damping structure simultaneously, thereby be unfavorable for energy-conservation; Because when equal electric current [strength, the magnetic line of force of energization solenoid inner chamber is the most intensive, magnetic field is the strongest; In order to overcome the polishing action of electromagnetic current fluid, often need add every the magnetic metal protection protector in addition in its periphery for o; Secondly when adopting outer formula throttling damping structure, the leakage field of o is serious, thereby must add every the magnetic boots at the two ends of piston.
Formula throttling damping single step arrangement can overcome all problems that outer formula throttling damping structure causes fully in adopting, and by means of can be mass-produced after the means of a powder metallurgy technique and reducing cost.
Summary of the invention
The invention provides a kind of single-stage electromagnetic current fluid damper, saved magnet case plate washer in the past, structure is further simplified.
Technological scheme
In order to solve above-mentioned task, solution of the present invention is: design a kind of single-stage electromagnetic current fluid damper.This single-stage electromagnetic current fluid damper is made up of last magnet case (30), following magnet case (160), o (80), connecting body (10), Sealing I (40), Sealing II (100) and magnetic shield (50); It is characterized in that: magnetic shield (50) serves as the skeleton of o (80); O (80) and magnetic shield (50) are arranged in magnet case (30) and the formed annular space of following magnet case (160); Last magnet case pole parts I (180) and following magnet case pole parts II (170) lay respectively at the inner chamber of o (80) and magnetic shield (50); Last magnet case (30) is provided with runner I (20) and runner II (60); Following magnet case (160) is provided with runner III (90); Be provided with pole parts I (180) on the last magnet case; Be provided with pole parts II (170) on the following magnet case; Between the pole parts II (170) of the pole parts I (180) of last magnet case and following magnet case, formed an annular magnetic gap runner IV (70); Magnetic shield (50) with o (80), go up the pole parts I (180) of magnet case, the pole parts II (170) of magnet case is every magnetic down; Described magnet case (30), following magnet case (160), o (80), the magnetic shield (50) gone up is by connecting body (10) connection location; Described single-stage electromagnetic current fluid damper is characterized by series connection connection successively between runner I, runner II, runner IV and runner III, and this series connection runner is the main runner that the electromagnetic current fluid flows.
Beneficial effect
Advantage of the present invention is:
(1) adopts structural design and necessary Sealing, o is separated with the electromagnetic current fluid, avoided the polishing action of electromagnetic current fluid for the o lead;
(2) structure of single-stage electromagnetic current fluid damper makes and simplifies the structure.
Description of drawings
Fig. 1, a kind of single-stage electromagnetic current of the present invention fluid damper shaft type structure sectional view.
Fig. 2, a kind of single-stage electromagnetic current of the present invention fluid damper half axis structure sectional view.
Embodiment
The concrete structure of realizing above single-stage electromagnetic current fluid damper is described in detail in detail below with reference to Fig. 1, Fig. 2:
With reference to Fig. 1, a kind of single-stage electromagnetic current fluid damper is made up of last magnet case (30), following magnet case (160), o (80), connecting body (10), Sealing I (40), Sealing II (100) and magnetic shield (50); It is characterized in that: magnetic shield (50) serves as the skeleton of o (80); O (80) and magnetic shield (50) are arranged in magnet case (30) and the formed annular space of following magnet case (160); Last magnet case pole parts I (180) and following magnet case pole parts II (170) lay respectively at the inner chamber of o (80) and magnetic shield (50); Last magnet case (30) is provided with runner I (20) and runner II (60); Following magnet case (160) is provided with runner III (90); Be provided with pole parts I (180) on the last magnet case; Be provided with pole parts II (170) on the following magnet case; Between the pole parts II (170) of the pole parts I (180) of last magnet case and following magnet case, formed an annular magnetic gap runner IV (70); Magnetic shield (50) with o (80), go up the pole parts I (180) of magnet case, the pole parts II (170) of magnet case is every magnetic down; Described magnet case (30), following magnet case (160), o (80), the magnetic shield (50) gone up is by connecting body (10) connection location; Described single-stage electromagnetic current fluid damper is characterized by series connection connection successively between runner I, runner II, runner IV and runner III, and this series connection runner is the main runner that the electromagnetic current fluid flows.
The assembly relation of Fig. 1 invention single-stage electromagnetic current fluid damper is:
At first will go up magnet case (30) and tightly be inserted in the head of connecting body (10), the head that again magnetic shield (50) is passed connecting body (10) is installed in the circular groove on the magnet case (30), secondly magnetic shield (150) is installed in the head of connecting body (10), again by means of will descend magnet case (160) and two magnetic shields (50,150) to be fastenedly connected every magnetic nut (140); Next lead terminal of packing into (130), coiling o (80) is drawn the lead-in wire (120) of o (80) with lead terminal (130) by lead channels (110) and to be connected, and is respectively charged into Sealing I (40) and Sealing II (100) at last.Thereby finally formed single-stage electromagnetic current fluid damper.
After the electromagnetic current fluid flows into this damper from runner I, add under the electromagnetic field effect outside, electromagnetic current fluid rheological properties generation notable change in the described annular magnetic gap runner IV, thereby, flow out this damper by runner III behind this electromagnetic current fluid off-energy at last for the retardation that flowed of this fluid; Thereby retardance or title damping function have been realized for described electromagnetic current fluid.Flow to when opposite as the same.
With reference to Fig. 2, a kind of single-stage electromagnetic current fluid damper is made up of last magnet case (30), following magnet case (160), o (80), connecting body (10), Sealing I (40), Sealing II (100) and magnetic shield (50); It is characterized in that: magnetic shield (50) serves as the skeleton of o (80); O (80) and magnetic shield (50) are arranged in magnet case (30) and the formed annular space of following magnet case (160); Last magnet case pole parts I (180) and following magnet case pole parts II (170) lay respectively at the inner chamber of o (80) and magnetic shield (50); Last magnet case (30) is provided with runner I (20) and runner II (60); Following magnet case (160) is provided with runner III (90); Be provided with pole parts I (180) on the last magnet case; Be provided with pole parts II (170) on the following magnet case; Between the pole parts II (170) of the pole parts I (180) of last magnet case and following magnet case, formed an annular magnetic gap runner IV (70); Magnetic shield (50) with o (80), go up the pole parts I (180) of magnet case, the pole parts II (170) of magnet case is every magnetic down; Described magnet case (30), following magnet case (160), o (80), the magnetic shield (50) gone up is by connecting body (10) connection location; Described single-stage electromagnetic current fluid damper is characterized by series connection connection mutually between runner I, runner II, runner IV and runner III, and this series connection runner is the main runner that the electromagnetic current fluid flows.
The assembly relation of Fig. 2 single-stage electromagnetic current of the present invention fluid damper half axis structure is:
The O type circle (102) of at first packing in the circular groove on last magnet case (30), on magnetic shield (50), scratch system o (80) then, welding lead (190) back passes lead-in wire (190) from the inner chamber of last magnet case (30), after being inserted in O type circle (102) and O type circle (106) on the following magnet case (160), will descend magnet case (160) and magnetic shield (50) to be fastenedly connected by means of snap ring 104; Next pack into Sealing I (40) and Sealing II (100).Thereby finally formed single-stage electromagnetic current fluid damper.
After the electromagnetic current fluid flows into this damper from runner I, add under the electromagnetic field effect outside, electromagnetic current fluid rheological properties generation notable change in the described annular magnetic gap runner IV, thereby, flow out this damper by runner III behind this electromagnetic current fluid off-energy at last for the retardation that flowed of this fluid; Thereby retardance or title damping function have been realized for described electromagnetic current fluid.Flow to when opposite as the same.
In actual the use, electromagnetic current fluid damper of the present invention can be used for constituting electromagnetic current fluid vibration damping/shake device; Wherein a kind of form is that described electromagnetic current fluid damper is arranged on the piston of described vibration damper, as is arranged in the electromagnetic current fluid damper on electromagnetic current fluid vibration damping/shake device piston, also claims piston assembly; And another kind of form is that it is arranged on electromagnetic current fluid vibration damping/shake device cavity end, on the piston of this moment electromagnetic current fluid damper can be set.But this invention is not limited to as above application example.
Claims (2)
1, a kind of single-stage electromagnetic current fluid damper is made up of Shang Dao Ci body (30), following magnet case (160), o (80), connecting body (10), Sealing I (40), Sealing II (100) and magnetic shield (50); It is characterized in that: magnetic shield (50) serves as the skeleton of o (80); O (80) and magnetic shield (50) are arranged in magnet case (30) and the formed annular space of following magnet case (160); Last magnet case pole parts I (180) and following magnet case pole parts II (170) lay respectively at the inner chamber of o (80) and magnetic shield (50); Last magnet case (30) is provided with runner I (20) and runner II (60); Following magnet case (160) is provided with runner III (90); Be provided with pole parts I (180) on the last magnet case; Be provided with pole parts II (170) on the following magnet case; Between the pole parts II (170) of the pole parts I (180) of last magnet case and following magnet case, formed an annular magnetic gap runner IV (70); Magnetic shield (50) with o (80), go up the pole parts I (180) of magnet case, the pole parts II (170) of magnet case is every magnetic down; Described magnet case (30), following magnet case (160), o (80), the magnetic shield (50) gone up is by connecting body (10) connection location.
2, a kind of single-stage electromagnetic current fluid damper according to claim 1 is characterized by series connection connection successively between runner I, runner II, runner IV and runner III, and this series connection runner is the main runner that the electromagnetic current fluid flows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02154136 CN1260491C (en) | 2002-12-26 | 2002-12-26 | Single-stage electromagnetic rheological flow damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02154136 CN1260491C (en) | 2002-12-26 | 2002-12-26 | Single-stage electromagnetic rheological flow damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1510317A CN1510317A (en) | 2004-07-07 |
| CN1260491C true CN1260491C (en) | 2006-06-21 |
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ID=34235439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02154136 Expired - Fee Related CN1260491C (en) | 2002-12-26 | 2002-12-26 | Single-stage electromagnetic rheological flow damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1260491C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100420874C (en) * | 2005-05-12 | 2008-09-24 | 吕崇耀 | Inner flow type electromagnetic rheological fluid damper |
| CN100340794C (en) * | 2005-08-04 | 2007-10-03 | 浙江大学 | Magnetorheological intelligent vibration damper for minisize automobile |
| JP7499201B2 (en) | 2021-03-02 | 2024-06-13 | 本田技研工業株式会社 | Suspension system |
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2002
- 2002-12-26 CN CN 02154136 patent/CN1260491C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1510317A (en) | 2004-07-07 |
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