Anti-dropping steel ring used in press-fitting type pipe fitting and fixing sealing device
View Patent ↗An anti-dropping steel ring used in a press-fitting type pipe fitting includes an anti-dropping steel ring, wherein the anti-dropping steel ring is provided with first snapping parts and second snapping parts distributed in a circumferential direction, the first snapping part is configured to extend from an inner circumferential wall of the anti-dropping steel ring in a radial direction, and the second snapping part is configured to extend from a circumferential edge of the anti-dropping steel ring in an axial direction and lean inwards.
1. An anti-dropping steel ring used in a press-fitting type pipe fitting, the anti-dropping steel ring comprising:
first snapping parts and second snapping parts distributed in a circumferential direction,
the first snapping part being configured to extend from an inner circumferential wall of the anti-dropping steel ring in a radial direction, and
the second snapping part being configured to extend from a circumferential edge of the anti-dropping steel ring in an axial direction and lean inwards;
wherein the anti-dropping steel ring is provided with a first interface part and a second interface part,
the first interface part is a convex part,
the second interface part is a concave part that can accommodate the convex part, and
the first interface part and the second interface part are configured to implement closing of the anti-dropping steel ring by means of cooperation of the concave part and the convex part;
wherein both the first interface part and the second interface part are configured to be V-shaped to prevent the anti-dropping steel ring from being dislocated.
2. The anti-dropping steel ring according to claim 1 , wherein the first snapping part and the inner circumferential wall of the anti-dropping steel ring are molded integrally.
3. The anti-dropping steel ring according to claim 1 , wherein the first snapping part is a toothed protrusion obtained by stamping the inner circumferential wall of the anti-dropping steel ring.
4. The anti-dropping steel ring according to claim 1 , wherein the first snapping part and the second snapping part are staggered with respect to each other in the circumferential direction.
5. A fixing sealing device comprising:
an anti-dropping steel ring according to claim 1 ,
a press-fitting end of the fixing sealing device being provided with a mounting part,
the anti-dropping steel ring, a plastic washer, and a sealing ring being disposed in the mounting part, and
the plastic washer being located between the anti-dropping steel ring and the sealing ring.
6. The fixing sealing device according to claim 5 , wherein
an outer side of the plastic washer is provided with a hook-shaped flange, and
a groove is formed between the hook-shaped flange and a body of the plastic washer.
7. The fixing sealing device according to claim 6 , wherein the groove is configured to be compressible when being pressed.
8. The fixing sealing device according to claim 5 , wherein both the first snapping part and the second snapping part of the anti-dropping steel ring face towards a positioning end of the fixing sealing device.
9. The fixing sealing device according to claim 5 , wherein the first snapping part and the inner circumferential wall of the anti-dropping steel ring are molded integrally.
10. The fixing sealing device according to claim 9 , wherein
an outer side of the plastic washer is provided with a hook-shaped flange, and
a groove is formed between the hook-shaped flange and a body of the plastic washer.
11. The fixing sealing device according to claim 10 , wherein the groove is configured to be compressible when being pressed.
12. The fixing sealing device according to claim 9 , wherein both the first snapping part and the second snapping part of the anti-dropping steel ring face towards a positioning end of the fixing sealing device.
13. The fixing sealing device according to claim 5 , wherein the first snapping part is a toothed protrusion obtained by stamping the inner circumferential wall of the anti-dropping steel ring.
14. The fixing sealing device according to claim 13 , wherein
an outer side of the plastic washer is provided with a hook-shaped flange, and
a groove is formed between the hook-shaped flange and a body of the plastic washer.
15. The fixing sealing device according to claim 14 , wherein the groove is configured to be compressible when being pressed.
16. The fixing sealing device according to claim 13 , wherein both the first snapping part and the second snapping part of the anti-dropping steel ring face towards a positioning end of the fixing sealing device.
17. The fixing sealing device according to claim 5 , wherein the first snapping part and the second snapping part are staggered with respect to each other in the circumferential direction.
18. The fixing sealing device according to claim 17 , wherein
an outer side of the plastic washer is provided with a hook-shaped flange, and
a groove is formed between the hook-shaped flange and a body of the plastic washer.
19. The fixing sealing device according to claim 18 , wherein the groove is configured to be compressible when being pressed.
20. The fixing sealing device according to claim 17 , wherein both the first snapping part and the second snapping part of the anti-dropping steel ring face towards a positioning end of the fixing sealing device.
21. The fixing sealing device according to claim 5 ,
wherein the anti-dropping steel ring is provided with a first interface part and a second interface part,
the first interface part is a convex part,
the second interface part is a concave part that can accommodate the convex part, and
the first interface part and the second interface part are configured to implement closing of the anti-dropping steel ring by means of cooperation of the concave part and the convex part.
22. The fixing sealing device according to claim 21 , wherein
an outer side of the plastic washer is provided with a hook-shaped flange, and
a groove is formed between the hook-shaped flange and a body of the plastic washer.
23. The fixing sealing device according to claim 22 , wherein the groove is configured to be compressible when being pressed.
24. The fixing sealing device according to claim 21 , wherein both the first snapping part and the second snapping part of the anti-dropping steel ring face towards a positioning end of the fixing sealing device.