Conductive structure and conductive sealing device

JPWO2025257924A5Active Publication Date: 2026-05-22NOK CORP
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
NOK CORP
Filing Date
2024-06-11
Publication Date
2026-05-22

Smart Images

  • Figure 00000023_0000
    Figure 00000023_0000
  • Figure 00000023_0001
    Figure 00000023_0001
  • Figure 00000023_0002
    Figure 00000023_0002
Patent Text Reader

Abstract

The conductive structure (1) includes an annular holding member (10) having conductivity, a conductive member (20) formed of an annular metal material, and a support member (30) formed of an annular elastic material. The conductive member (20) and the support member (30) overlap in the axial direction of the axis x and are held by the holding member (10). The conductive member (20) has an annular inner peripheral end portion (25), and the support member (30) overlaps the conductive member (20) so as to be able to press the inner peripheral end portion (25) of the conductive member (20) toward the inner peripheral side.
Need to check novelty before this filing date? Find Prior Art

Claims

1. A retaining member which is an annular conductive member around the axis, A conductive member is a member formed from an annular metal material around the aforementioned axis, The system includes a support member which is a member formed from an annular elastic material around the aforementioned axis, The conductive member and the support member overlap in the axial direction and are held by the holding member. The conductive member has an annular inner end around the axis, The support member overlaps the conductive member such that it can press the inner circumference end of the conductive member toward the inner circumference. The conductive member has a plurality of through holes, The support member enters the plurality of through holes of the conductive member. Conductive structure.

2. A holding member which is an annular conductive member around an axis, A conductive member is a member formed from an annular metal material around the aforementioned axis, The system includes a support member which is a member formed from an annular elastic material around the aforementioned axis, The conductive member and the support member overlap in the axial direction and are held by the holding member. The conductive member has an annular inner end around the axis, The support member overlaps the conductive member such that it can press the inner circumference end of the conductive member toward the inner circumference. The superimposed conductive member and the support member have a gap provided so as to extend in at least one radial direction and a segmented body extending around at least one axis, The divided body has a pair of ends in the direction of the axis, The gap is connected to the aforementioned end of the divided body, The conductive member has one of the divided parts and also has one of the gaps. The pair of ends of the divided body face each other in the direction about the axis, The gap is the gap between the opposing ends of the divided body. Conductive structure.

3. A retaining member which is an annular conductive member around an axis, A conductive member is a member formed from an annular metal material around the aforementioned axis, The system includes a support member which is a member formed from an annular elastic material around the aforementioned axis, The conductive member and the support member overlap in the axial direction and are held by the holding member. The conductive member has an annular inner end around the axis, The support member overlaps the conductive member such that it can press the inner circumference end of the conductive member toward the inner circumference. The superimposed conductive member and the support member have a gap provided so as to extend in at least one radial direction and a segmented body extending around at least one axis, The divided body has a pair of ends in the direction of the axis, The gap is connected to the aforementioned end of the divided body, The conductive member has two of the divided parts and also has two of the gaps, One of the pair of ends of one of the divided body and one of the pair of ends of the other of the divided body face each other in the direction of the axis, The other of the pair of ends of one of the divided body and the other of the pair of ends of the other of the divided body are opposite each other in the direction of the axis, One end of the one divided body and the other divided body are formed between the two ends of the two divided bodies. The other end of the gap is formed between the other end of the one divided body and the other end of the other divided body. Conductive structure.

4. The conductive member has a pair of annular surfaces facing away from each other in the axial direction, which are contact surfaces and pressed surfaces. The support member has a pair of annular surfaces, a pressing side and a back surface, that are opposite to each other in the axial direction. The pressed surface of the conductive member and the pressing surface of the support member are facing each other. A conductive structure according to any one of claims 1 to 3.

5. The conductive member has a plurality of through holes, The support member enters the plurality of through holes of the conductive member. The conductive structure according to claim 2 or 3.

6. The conductive member has a mesh structure that forms the plurality of through holes. The conductive structure according to claim 1.

7. The conductive member has a mesh structure that forms the plurality of through holes, The conductive structure according to claim 5.

8. At least a portion of the support member that enters the plurality of through holes protrudes from the through holes. The conductive structure according to claim 1.

9. At least a portion of the support member that enters the plurality of through holes protrudes from the through holes. The conductive structure according to claim 5.

10. The conductive member is more flexible than the support member. A conductive structure according to any one of claims 1 to 3.

11. The superimposed conductive member and the support member have a gap provided so as to extend in at least one radial direction and a segmented body extending around at least one axis, The divided body has a pair of ends in the direction of the axis, The gap is connected to the end of the divided body. The conductive structure according to claim 1.

12. The conductive member has one of the divided parts and also has one of the gaps. The pair of ends of the divided body face each other in the direction about the axis, The gap is the gap between the opposing ends of the divided body. The conductive structure according to claim 11.

13. The conductive member has two of the divided parts and also has two of the gaps, One of the pair of ends of one of the divided body and one of the pair of ends of the other of the divided body face each other in the direction of the axis, The other of the pair of ends of one of the divided body and the other of the pair of ends of the other of the divided body are opposite each other in the direction of the axis, One end of the one divided body and the other divided body are formed between the two ends of the two divided bodies. The other end of the gap is formed between the other end of the one divided body and the other end of the other divided body. The conductive structure according to claim 11.

14. The conductive member and the support member are held by the retaining member on their outer circumference. A conductive structure according to any one of claims 1 to 3.

15. The support member is formed from PTFE or PEEK. A conductive structure according to any one of claims 1 to 3.

16. A conductive sealing device for sealing the space between a shaft and a hole through which the shaft passes, A reinforcing ring, which is an annular member, is located around the axis, An elastic body portion formed from an annular elastic body around the axis, which is attached to the reinforcing ring, The structure comprises an annular conductive structure around the aforementioned axis, The elastic body portion has a sealing lip that contacts the shaft, The conductive structure comprises a holding member which is an annular conductive member around the axis, a conductive member which is an annular member formed from a metallic material around the axis, and a support member which is an annular elastic material formed around the axis. The conductive member and the support member overlap in the axial direction and are held by the holding member. The conductive member has an annular inner end around the axis, The support member overlaps the conductive member such that the inner circumferential end of the conductive member can be pressed against the shaft. The conductive member has a plurality of through holes, The support member enters the plurality of through holes of the conductive member. Conductive sealing device.

17. A conductive sealing device for sealing between a shaft and a hole through which the shaft passes, A reinforcing ring, which is an annular member, is located around the axis, An elastic body portion formed from an annular elastic body around the axis, which is attached to the reinforcing ring, The structure comprises an annular conductive structure around the aforementioned axis, The elastic body portion has a sealing lip that contacts the shaft, The conductive structure comprises a holding member which is an annular conductive member around the axis, a conductive member which is an annular member formed from a metallic material around the axis, and a support member which is an annular elastic material formed around the axis. The conductive member and the support member overlap in the axial direction and are held by the holding member. The conductive member has an annular inner end around the axis, The support member overlaps the conductive member such that the inner circumferential end of the conductive member can be pressed against the shaft. The superimposed conductive member and the support member have a gap provided so as to extend in at least one radial direction and a segmented body extending around at least one axis, The divided body has a pair of ends in the direction of the axis, The gap is connected to the aforementioned end of the divided body, The conductive member has one of the divided parts and also has one of the gaps. The pair of ends of the divided body face each other in the direction about the axis, The gap is the gap between the opposing ends of the divided body. Conductive sealing device.

18. A conductive sealing device for sealing between a shaft and a hole through which the shaft passes, A reinforcing ring, which is an annular member, is located around the axis, An elastic body portion formed from an annular elastic body around the axis, which is attached to the reinforcing ring, The structure comprises an annular conductive structure around the aforementioned axis, The elastic body portion has a sealing lip that contacts the shaft, The conductive structure comprises a holding member which is an annular conductive member around the axis, a conductive member which is an annular member formed from a metallic material around the axis, and a support member which is an annular elastic material formed around the axis. The conductive member and the support member overlap in the axial direction and are held by the holding member. The conductive member has an annular inner end around the axis, The support member overlaps the conductive member such that the inner circumferential end of the conductive member can be pressed against the shaft. The superimposed conductive member and the support member have a gap provided so as to extend in at least one radial direction and a segmented body extending around at least one axis, The divided body has a pair of ends in the direction of the axis, The gap is connected to the aforementioned end of the divided body, The conductive member has two of the divided parts and also has two of the gaps, One of the pair of ends of one of the divided body and one of the pair of ends of the other of the divided body face each other in the direction of the axis, The other of the pair of ends of one of the divided body and the other of the pair of ends of the other of the divided body are opposite each other in the direction of the axis, One end of the one divided body and the other divided body are formed between the two ends of the two divided bodies. The other end of the gap is formed between the other end of the one divided body and the other end of the other divided body. Conductive sealing device.

19. The conductive member has a pair of annular surfaces facing away from each other in the axial direction, which are contact surfaces and pressed surfaces. The support member has a pair of annular surfaces, a pressing side and a back surface, that are opposite to each other in the axial direction. The pressed surface of the conductive member and the pressing surface of the support member are facing each other. A conductive sealing device according to any one of claims 16 to 18.

20. The conductive member has a plurality of through holes, The support member enters the plurality of through holes of the conductive member. The conductive sealing device according to claim 17 or 18.

21. The conductive member has a mesh structure that forms the plurality of through holes. The conductive sealing device according to claim 16.

22. The conductive member has a mesh structure that forms the plurality of through holes, The conductive sealing device according to claim 20.

23. At least a portion of the support member that enters the plurality of through holes protrudes from the through holes. The conductive sealing device according to claim 16.

24. At least a portion of the support member that enters the plurality of through holes protrudes from the through holes. The conductive sealing device according to claim 20.

25. The conductive member is more flexible than the support member. A conductive sealing device according to any one of claims 16 to 18.

26. The superimposed conductive member and the support member have a gap provided so as to extend in at least one radial direction and a segmented body extending around at least one axis, The divided body has a pair of ends in the direction of the axis, The gap is connected to the end of the divided body. The conductive sealing device according to claim 16.

27. The conductive member has one of the divided parts and also has one of the gaps. The pair of ends of the divided body face each other in the direction about the axis, The gap is the gap between the opposing ends of the divided body. The conductive structure according to claim 26.

28. The conductive member has two of the divided parts and also has two of the gaps, One of the pair of ends of one of the divided body and one of the pair of ends of the other of the divided body face each other in the direction of the axis, The other of the pair of ends of one of the divided body and the other of the pair of ends of the other of the divided body are opposite each other in the direction of the axis, One end of the one divided body and the other divided body are formed between the two ends of the two divided bodies. The other end of the gap is formed between the other end of the one divided body and the other end of the other divided body. The conductive sealing device according to claim 26.

29. The conductive member and the support member are held by the retaining member on their outer circumference. A conductive sealing device according to any one of claims 16 to 18.

30. The support member is formed from PTFE or PEEK. A conductive sealing device according to any one of claims 16 to 18.