CN109713465B - Device and method for connecting and leading out internal wires of magneto-rheological shock absorber - Google Patents
Device and method for connecting and leading out internal wires of magneto-rheological shock absorber Download PDFInfo
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- CN109713465B CN109713465B CN201811400341.2A CN201811400341A CN109713465B CN 109713465 B CN109713465 B CN 109713465B CN 201811400341 A CN201811400341 A CN 201811400341A CN 109713465 B CN109713465 B CN 109713465B
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Abstract
The invention discloses a device and a method for connecting and leading out internal wires of a magneto-rheological damper, and the device comprises a piston rod, an insulating part, an iron core, an enameled wire, a sealing cover, a conductive pin, a positive wire connecting piece and a sealing ring, wherein the positive wire connecting piece is arranged in the piston rod, the conductive pin is arranged in the piston rod and the iron core, one end of the conductive pin is connected with the positive wire connecting piece, the sealing cover is arranged at the other end of the conductive pin, and the positive wire of the enameled wire is connected with the positive electrode of an external wire through the conductive pin and the positive wire connecting piece in sequence by the sealing cover. The invention can efficiently lead the positive wire of the enameled wire to the outside, simultaneously prevents the phenomenon that the wire is cut off due to the relative rotation of the piston rod and the iron core, leads out only one positive wire of the power supply and connects the positive wire through the connecting piece, thereby leading the maintenance to be more convenient, and the reliability of the wire connection in the magnetorheological damper is enhanced by the integral connection and leading-out method.
Description
Technical Field
The invention relates to the technical field of vibration dampers, in particular to a device and a method for connecting and leading out internal wires of a magneto-rheological vibration damper.
Background
As society has been continuously advanced, the demand for comfort of automobiles has been increased, and shock absorbers, which are important components of automobile suspensions, play an important role in driving comfort, and thus various shock absorbers have been manufactured. With the development of science and technology, the magnetorheological shock absorber is well developed, has the characteristics of high adjustable multiple of damping force, easiness in realizing real-time control of variable damping of a computer, compact structure, small external input energy and the like, and is increasingly highly valued by the engineering field.
However, the inner coil of the traditional magnetorheological damper is wound on the iron core, the iron core is provided with a lead wire leading-out hole, the positive electrode and the negative electrode of the enameled wire are respectively led into the hollow shaft of the piston rod from the iron core hole, the whole installation process is complicated, the iron core and the piston rod are not firmly fixed, the lead wire can be torn off due to relative rotation, and the safety and the reliability of the traditional magnetorheological damper are poor.
In view of the above, there is a need for a device and method to solve the problem of wire connection and lead-out in the magnetorheological damper.
Disclosure of Invention
In view of the above-mentioned drawbacks, the present invention provides a device and a method for connecting and leading out internal wires of a magnetorheological damper, so as to solve the problems of unreliable and unsafe connection and leading out of internal wires of a magnetorheological damper in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a device for connecting and leading out wires in a magneto-rheological shock absorber comprises a piston rod, an insulating part, an iron core, an enameled wire, a sealing cover, a conductive pin, a positive wire connecting piece and a sealing ring, wherein the positive wire connecting piece is axially inserted into the piston rod, the conductive pin consists of a pin rod and a pin head which are coaxially connected, the diameter of the pin head is larger than that of the pin rod, the sealing cover is arranged on the outer end face of the pin head and is connected with the pin rod in a matching way, the insulating part comprises a first insulating sleeve and a second insulating sleeve which are vertically communicated, the second insulating sleeve comprises a first sleeve and a second sleeve which are coaxially arranged, the inner diameter of the first sleeve is smaller than that of the second sleeve, the iron core is of a columnar structure which is coaxially arranged on the outer wall of the piston rod, one end of the pin rod is sequentially and radially inserted into the piston rod and the positive wire connecting piece and is fixedly connected with the positive wire connecting, the first insulating sleeve is coaxially arranged between the piston rod and the positive wire connecting piece, the outer wall of the second insulating sleeve is in interference fit with the piston rod and the iron core respectively, and the inner wall of the second insulating sleeve is in interference fit with the pin rod and the pin head respectively.
In the device for connecting and leading out the internal lead of the magnetorheological damper, a sealing ring is arranged between the inner end surface of the pin head and the stop ring of the first sleeve, and the outer wall of the iron core is wound with an enameled wire.
In the device for connecting and leading out the internal lead of the magnetorheological damper, the negative electrode of the enameled wire is connected with the piston rod to form a negative electrode grounding.
In the device for connecting and leading out the internal lead of the magneto-rheological damper, the positive lead connecting piece is integrally of a cylindrical structure with end covers at two ends, the two ends of the positive lead connecting piece are respectively provided with an external positive lead inserting hole and a conductive pin fastening machine screw hole, the side wall of the positive lead connecting piece is respectively provided with a lead fastening machine screw hole and a conductive pin inserting hole, the lead fastening machine screw hole is close to one end of the external positive lead inserting hole, the conductive pin inserting hole is close to one end of the conductive pin fastening machine screw hole, and when the pin rod is inserted into the conductive pin inserting hole, the pin rod of the conductive pin fastening machine screw hole is inserted.
In the device for connecting and leading out the internal lead of the magneto-rheological shock absorber, the pin head is coaxially provided with a lead fastening machine screw hole, and the side wall of the pin head is provided with a positive lead insertion hole; the end face of the sealing cover is provided with an enameled wire lead inserting hole, and a sealing groove is formed in the circumferential direction of the outer edge of the sealing cover.
A method for connecting and leading out internal wires of a magnetorheological damper comprises the following steps:
s1: connecting an external positive wire by using a positive wire connecting piece, and putting the positive wire connecting piece and the wire into a piston rod provided with a first insulating sleeve;
s2: inserting the conductive pin into the positive wire connecting piece and fastening, and then inserting the positive wire of the enameled wire into the conductive pin and fastening;
s3: and sealing the conductive pin by using a sealing cover, and winding the enameled wire on the iron core.
In the method for connecting and leading out the internal lead of the magnetorheological damper, in the step S3, a sealing ring is installed on a sealing groove of a sealing cover, and the conductive pin is sealed by the sealing cover with the sealing ring.
The invention has the beneficial effects that: the invention can efficiently lead the positive wire of the enameled wire into the outside, simultaneously prevents the phenomenon that the wire is cut off due to the relative rotation of the piston rod and the iron core, the negative electrode of the enameled wire is connected with the piston rod to form a grounding, and the insulating part effectively separates the positive electrode and the negative electrode of the enameled wire to form insulation. According to the magnetorheological damper, only one positive wire of the power supply is led out and connected through the connecting piece, so that the maintenance is more convenient, and the reliability of the connection of the internal wires of the magnetorheological damper is enhanced by the integral connection and leading-out method.
Drawings
FIG. 1 is an internal schematic view of a magnetorheological damper in accordance with the present invention;
FIG. 2 is an enlarged view of the present invention at A;
FIG. 3 is an enlarged view of the connecting portion of the present invention;
FIG. 4 is a schematic view of a positive lead connection of the present invention;
FIG. 5 is a schematic view of a conductive pin according to the present invention;
FIG. 6 is a schematic view of a sealing cap of the present invention;
in FIGS. 1-6: 1-piston rod, 2-insulating part, 21-first insulating sleeve, 22-second insulating sleeve, 221-first sleeve, 222-second sleeve, 223-stop ring, 3-iron core, 4-enameled wire, 5-sealing cover, 51-enameled wire lead inserting hole, 52-sealing groove, 6-conductive pin, 61-lead fastening machine screw hole, 62-enameled wire positive lead inserting hole, 63-pin rod, 64-pin head, 65-inner end face, 7-positive lead connecting piece, 71-external positive lead inserting hole, 72-lead fastening machine screw hole, 73-conductive pin fastening machine screw hole, 74-conductive pin inserting hole and 8-sealing ring.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
As shown in fig. 1 to 6, the device for connecting and leading out an internal wire of a magnetorheological damper comprises a piston rod 1, an insulating member 2, an iron core 3, an enameled wire 4, a sealing cover 5, a conductive pin 6, an anode wire connecting member 7 and a sealing ring 8, wherein the anode wire connecting member 7 is axially inserted into the piston rod 1, the conductive pin 6 is composed of a pin 63 and a pin head 64 which are coaxially connected, the diameter of the pin head 64 is larger than that of the pin 63, the sealing cover 5 is arranged on the outer end face of the pin head 64 and is connected with the pin head in a matching manner, the insulating member 2 comprises a first insulating sleeve 21 and a second insulating sleeve 22 which are vertically communicated, the second insulating sleeve 22 comprises a first sleeve 221 and a second sleeve 222 which are coaxially arranged, the inner diameter of the first sleeve 221 is smaller than that of the second sleeve 222, the iron core 3 is of a columnar structure which is coaxially arranged on the outer wall of the piston rod 1, and one end of the pin 63 is sequentially and radially inserted into the piston rod 1 and 7 are fixed to each other, the round pin pole 63 other end is fixed with the round pin head 64 that sets up in iron core 3 and is linked to each other, the coaxial setting of first insulating bush 21 is between piston rod 1 and anodal wire connecting piece 7, the insulating 22 outer walls of second cover respectively with piston rod 1 and 3 interference fit of iron core, and the inner wall respectively with round pin pole 63 and round pin head 64 interference fit.
Specifically, a sealing ring 8 is arranged between the inner end surface 65 of the pin head 64 and the stop ring 223 of the first sleeve 221, and the outer wall of the iron core 3 is wound with an enameled wire 4. And the negative electrode of the enameled wire 4 is connected with the piston rod 1 to form a negative electrode grounding.
Specifically, anodal wire connecting piece 7 is whole to be the tubular structure that both ends were equipped with the end cover, anodal wire connecting piece 7 both ends are equipped with outside anodal wire patchhole 71 and conductive pin fastening machine meter screw hole 73 respectively, be equipped with wire fastening machine meter screw hole 72, conductive pin patchhole 74 on anodal wire connecting piece 7's the lateral wall respectively, wire fastening machine meter screw hole 72 is close to the one end of outside anodal wire patchhole 71, conductive pin patchhole 74 is close to the one end of conductive pin fastening machine meter screw hole 73, pin 63 inserts the pin fastening pin pole 63 of conductive pin fastening machine meter screw hole 73 when inserting conductive pin patchhole 74.
The pin head 64 is coaxially provided with a lead fastening machine screw hole 61, and the side wall of the pin head 64 is provided with a positive lead inserting hole 62; an enameled wire lead insertion hole 51 is formed in the end face of the sealing cover 5, and a sealing groove 52 is formed in the outer edge of the sealing cover 5 in the circumferential direction.
The positive electrode wire of the enamel wire 4 is inserted from the enamel wire lead insertion hole 51 of the sealing cover 5 and connected to the conductive pin 6; the seal groove 52 is provided with a seal ring to prevent magnetic fluid from penetrating, and finally the seal cover 5 seals the conductive pin 6 in the iron core 3 and the piston rod 1.
The insulator 2 is arranged inside the piston rod 1 and the iron core 3, and the positive wire connecting piece 7 is insulated from the piston rod 1, the conductive pin 6, the iron core 3 and the piston rod 1 by the insulator 2.
A method for connecting and leading out internal wires of a magneto-rheological shock absorber comprises the following steps:
s1: inserting an external positive wire into an external positive wire insertion hole 71 of the positive wire connecting piece 7, fastening the external positive wire insertion hole with a screw in a wire fastening screw hole 72, and then putting the positive wire connecting piece 7 and the wire into the piston rod 1 provided with the first insulating sleeve 21;
s2: adding a sealing ring 8 between the inner end surface 65 of the pin head 64 of the conductive pin 6 and the stop ring 223 of the first sleeve 221 of the second insulating sleeve 22, inserting the conductive pin 6 into the conductive pin insertion hole 74 on the positive wire connecting piece 7 and fastening the conductive pin in the conductive pin fastening machine screw hole 73 by a machine screw, then inserting the positive wire of the enameled wire 4 into the enameled wire positive wire insertion hole 62 on the conductive pin 6 and fastening the enameled wire in the wire fastening machine screw hole 61 by the machine screw;
s3: and a sealing ring is arranged on the sealing groove 52 of the sealing cover 5, the conductive pin 6 is sealed by the sealing cover 5 with the sealing ring, and then the enameled wire 4 is wound on the iron core 3.
The negative electrode of the enameled wire 4 is connected with the piston rod 1 to form a negative electrode grounding, and a positive electrode wire is finally led out because the negative electrode is the piston rod; the insulator 2 effectively separates the positive electrode and the negative electrode of the enameled wire 4 to form insulation; the conductive pin 6 fixes the piston rod 1 and the iron core 3 together, preventing them from relative rotation.
The whole process is simple to operate, the positive wire of the enameled wire is led out, the negative electrode of the enameled wire is bonded, and the reliability of wire connection and lead-out is enhanced. And the iron core and the piston rod can not rotate relatively, and the phenomenon of breaking the lead can not occur.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a device that is used for inside wire of magnetic current becomes shock absorber to connect and draws, includes piston rod (1), insulator (2), iron core (3), enameled wire (4), sealed lid (5), conducting pin (6), anodal wire connecting piece (7), sealing washer (8), its characterized in that: the positive wire connecting piece (7) is axially inserted into the piston rod (1), the conductive pin (6) consists of a pin rod (63) and a pin head (64) which are coaxially connected, the diameter of the pin head (64) is larger than that of the pin rod (63), the sealing cover (5) is arranged on the outer end face of the pin head (64) and is connected with the pin head in a matched manner, the insulating piece (2) comprises a first insulating sleeve (21) and a second insulating sleeve (22) which are vertically communicated, the second insulating sleeve (22) comprises a first sleeve (221) and a second sleeve (222) which are coaxially arranged, the inner diameter of the first sleeve (221) is smaller than that of the second sleeve (222), the iron core (3) is of a columnar structure which is coaxially arranged on the outer wall of the piston rod (1), one end of the pin rod (63) is sequentially and radially inserted into the piston rod (1) and the positive wire connecting piece (7) and is fixedly connected with the positive wire connecting piece (7), the other end of the pin rod (63) is fixedly connected with a pin head (64) arranged in the iron core (3), the first insulating sleeve (21) is coaxially arranged between the piston rod (1) and the positive wire connecting piece (7), the outer wall of the second insulating sleeve (22) is in interference fit with the piston rod (1) and the iron core (3) respectively, and the inner wall of the second insulating sleeve is in interference fit with the pin rod (63) and the pin head (64) respectively.
2. The apparatus of claim 1, wherein the wire connection and extraction device comprises: a sealing ring (8) is arranged between the inner end face (65) of the pin head (64) and the stop ring (223) of the first sleeve (221), and an enameled wire (4) is wound on the outer wall of the iron core (3).
3. The apparatus of claim 1, wherein the wire connection and extraction device comprises: and the negative electrode of the enameled wire (4) is connected with the piston rod (1) to form a negative electrode grounding.
4. The apparatus of claim 1, wherein the wire connection and extraction device comprises: anodal wire connecting piece (7) wholly is the tubular structure that both ends were equipped with the end cover, anodal wire connecting piece (7) both ends are equipped with outside anodal wire patchhole (71) and conducting pin fastener meter screw hole (73) respectively, be equipped with wire fastener meter screw hole (72), conducting pin patchhole (74) on the lateral wall of anodal wire connecting piece (7) respectively, wire fastener meter screw hole (72) are close to the one end of outside anodal wire patchhole (71), conducting pin patchhole (74) are close to the one end of conducting pin fastener meter screw hole (73), pin rod (63) insert pin fastening pin rod (63) of conducting pin fastener meter screw hole (73) when conducting pin patchhole (74) are inserted in pin fastening pin rod (63).
5. The apparatus of claim 1, wherein the wire connection and extraction device comprises: the pin head (64) is coaxially provided with a lead screw hole (61) of a lead fastening machine, and the side wall of the pin head (64) is provided with a positive lead inserting hole (62); the end face of the sealing cover (5) is provided with an enameled wire lead inserting hole (51), and a sealing groove (52) is formed in the circumferential direction of the outer edge of the sealing cover (5).
6. A method for connecting and leading out internal wires of a magnetorheological damper by using the device of any one of claims 1 to 5, which is characterized by comprising the following steps:
s1: connecting an external positive wire by using a positive wire connecting piece (7), and putting the positive wire connecting piece (7) and the wire into a piston rod (1) provided with a first insulating sleeve (21);
s2: inserting the conductive pin (6) into the positive lead connecting piece (7) and fastening, and then inserting the positive lead of the enameled wire (4) into the conductive pin (6) and fastening;
s3: the conductive pin (6) is sealed by a sealing cover (5), and then the enameled wire (4) is wound on the iron core (3).
7. The method for connecting and leading out internal wires of a magnetorheological damper according to claim 6, wherein the method comprises the following steps: in the step S3, a seal ring is mounted on the seal groove (52) of the seal cover (5), and the conductive pin (6) is sealed by the seal cover (5) mounted with the seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811400341.2A CN109713465B (en) | 2018-11-22 | 2018-11-22 | Device and method for connecting and leading out internal wires of magneto-rheological shock absorber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811400341.2A CN109713465B (en) | 2018-11-22 | 2018-11-22 | Device and method for connecting and leading out internal wires of magneto-rheological shock absorber |
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| Publication Number | Publication Date |
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| CN109713465A CN109713465A (en) | 2019-05-03 |
| CN109713465B true CN109713465B (en) | 2020-06-02 |
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| CN201811400341.2A Active CN109713465B (en) | 2018-11-22 | 2018-11-22 | Device and method for connecting and leading out internal wires of magneto-rheological shock absorber |
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| CN115693521B (en) * | 2022-10-11 | 2024-01-30 | 国网四川省电力公司广元供电公司 | A portable cable stripping device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1260493C (en) * | 2002-11-01 | 2006-06-21 | 邱玲 | New type electro magnetic rheological fluid piston component part |
| CN2828439Y (en) * | 2005-10-24 | 2006-10-18 | 河北工业大学 | Current converter vibration damper |
| JP5426277B2 (en) * | 2009-08-21 | 2014-02-26 | 株式会社東芝 | Drum washing machine |
| CN201875043U (en) * | 2010-12-07 | 2011-06-22 | 四川中物科技集团有限公司 | Slide-valve-type magnetorheological shock absorber |
| CN103470674B (en) * | 2013-09-30 | 2015-10-21 | 湘潭大学 | A kind of Inner-channel vehicle suspension system magnetorheological damper |
| KR20170013545A (en) * | 2015-07-28 | 2017-02-07 | 이해영 | Tensioning device for steel wire |
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Address after: 430000, 88 Jingkai Avenue, Wuhan Economic and Technological Development Zone, Wuhan City, Hubei Province Patentee after: Wuhan Jingkai Kechuang Operation Co.,Ltd. Address before: 430000, 88 Jingkai Avenue, Wuhan Economic and Technological Development Zone, Wuhan City, Hubei Province Patentee before: WUHAN Research Institute OF NEW ENERGY AUTOMOTIVE TECHNOLOGIES |
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Effective date of registration: 20231211 Address after: No. 122, Lo lion Road, Hongshan District, Wuhan, Hubei Patentee after: Wuhan University of Technology Education Development Foundation Address before: No. 122, Lo lion Road, Hongshan District, Wuhan, Hubei Patentee before: Wuhan Institute of Technology Industry Group Co.,Ltd. Effective date of registration: 20231211 Address after: No. 122, Lo lion Road, Hongshan District, Wuhan, Hubei Patentee after: Wuhan Institute of Technology Industry Group Co.,Ltd. Address before: 430000, 88 Jingkai Avenue, Wuhan Economic and Technological Development Zone, Wuhan City, Hubei Province Patentee before: Wuhan Jingkai Kechuang Operation Co.,Ltd. |