Locking pipe joint assembly, device and method
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F16L-037/091
F16L-021/00
F16L-021/02
F16L-021/08
출원번호
US-0001986
(2016-01-20)
등록번호
US-9562637
(2017-02-07)
발명자
/ 주소
Crompton, David B.
Dias, Libardo Ochoa
Bouchard, Herbert J.
출원인 / 주소
Quick Fitting, Inc.
대리인 / 주소
Williams Mullen PC
인용정보
피인용 횟수 :
1인용 특허 :
109
초록▼
A locking pipe joint assembly, device and method can employ a center body connector, one or more sealing elements, such as a wiper seal and a sealing ring, a sealing ring retainer and a retaining cap. In various embodiments, primary and secondary fastening rings are employed along with a retaining c
A locking pipe joint assembly, device and method can employ a center body connector, one or more sealing elements, such as a wiper seal and a sealing ring, a sealing ring retainer and a retaining cap. In various embodiments, primary and secondary fastening rings are employed along with a retaining cap sleeve. In embodiments, the retaining cap includes an internal or external thread that mates with an external or internal thread on one side of the center body connector, which allows the retaining cap to tighten the packing arrangement components around an inserted piping or tubing element, and in secure engagement with the interior of the center body connector. In embodiments, a bolt element is provided for further securing of the retaining cap to the center body connector.
대표청구항▼
1. A locking pipe joint assembly, comprising: a center body connector having an outer surface, an axial end wall surface, and an interior surface forming a cavity extending through the body connector along a center body connector axis, the center body connector including a flange formed so as to ext
1. A locking pipe joint assembly, comprising: a center body connector having an outer surface, an axial end wall surface, and an interior surface forming a cavity extending through the body connector along a center body connector axis, the center body connector including a flange formed so as to extend radially inwardly from the interior wall surface and a block extending radially outwardly from the outer surface, wherein the block is formed with at least one opening having an inner surface;a retaining cap having a radially extending wall and an axially extending wall, with each of the radially extending and axially extending walls having respective inner and outer surfaces, with a bolt retaining block formed with and extending radially outwardly from the axially extending wall outer surface, with the bolt retaining block forming a bolt retaining cavity, wherein the retaining cap axially extending wall inner surface forms a cavity extending through the retaining cap along a retaining cap axis, wherein the retaining cap axially extending wall is adapted to threadedly engage the center body connector such that the center body connector axis and the retaining cap axis are coaxial; anda first packing arrangement engaged with the retaining cap inner surface and the body connector interior surface, whereupon as the retaining cap threadedly engages the center body connector, the first packing arrangement is compressed, wherein the first packing arrangement comprises at least one sealing member and a sealing ring retainer, wherein the sealing ring retainer has an axially outer surface having a support ridge positioned radially inwardly of a tip, wherein the axially outer surface includes a lower edge surface extending axially inwardly and radially inwardly from the tip, and further includes an upper edge surface extending axially inwardly and radially outwardly from the support ridge such that the upper edge surface meets the lower edge surface at a notch. 2. The assembly of claim 1, further including a bolt element extending through the bolt retaining cavity of the retaining cap and the inner surface of the at least one opening in the block extending radially outwardly of the body connector outer surface. 3. The assembly of claim 1, wherein the center body connector flange has a first side interior wall surface and a second side interior wall surface, and wherein at least a first portion of the body connector interior wall surface extends from the first side interior wall surface of the flange to the axial end wall surface and forms at least first and second compartments, wherein the first compartment is of a constant radial distance from the center body connector axis and is positioned at an axially inner portion of the body connector, and wherein the second compartment extends from the first compartment toward the axial end wall surface and has a radial distance that increases from the first compartment axially outwardly toward the axial end wall surface. 4. The assembly of claim 1, wherein the body connector extends axially outwardly from the flange in a pair of opposite directions so as to form a first pipe receiving portion and a second pipe receiving portion, and further wherein the outer surface of the body connector corresponding to the first and second pipe receiving portions includes a thread extending therealong. 5. The assembly of claim 1, wherein the at least one opening of the block of the center body connector includes a pair of axial openings and a radial opening. 6. The assembly of claim 1, wherein the radially extending wall inner surface of the retaining cap includes a neck extending radially inwardly from the axially extending wall inner surface to a head portion, wherein the head portion has a ridge formed therewith that extends axially inwardly of the neck. 7. The assembly of claim 1, wherein the sealing ring retainer comprises a body having a radially extending inner surface, a radially outwardly extending mid-surface, and an axially extending lip surface extending from a radially outer tip of radially extending inner surface to a radially inner tip of mid-surface. 8. The assembly of claim 7, wherein the sealing ring retainer further comprises a ramp surface extending both axially and radially outwardly from the radially outer tip of the mid-surface to a radially interior outer tip, and a base support surface extending axially outwardly from the radially interior outer tip to a radially exterior outer tip. 9. The assembly of claim 8, wherein the sealing ring retainer body further includes an axially outer surface extending from the radially exterior outer tip to an axially inner tip, a lower edge surface extending axially inwardly and radially inwardly from a tip to a notch, an upper edge surface extending axially outwardly and radially inwardly from the notch to a support ridge, wherein the support ridge is positioned radially inwardly of the tip, and a base surface extending radially outwardly from the support ridge to radially exterior outer tip, and wherein the body further includes a radially inner portion having first and second radially outwardly extending walls sharing a common axially extending wall, wherein the radially outwardly extending walls and the axially extending wall form a circumferentially extending groove. 10. The assembly of claim 9, wherein the sealing ring retainer body further includes an axially outer support surface extending axially outwardly from a radially inner tip of a first one of the radially extending walls to an outer tip, a slide surface extending axially and radially inwardly from a radially inner tip of a second one of the radially extending walls to a radially inner edge of the radially inner portion of the body, an axially-mid base surface extending axially inwardly from an inner edge to an axially interior lip edge, a lip step extending radially outwardly from the axially interior lip edge to a step edge, and a platform surface extending axially from the step edge to an axially interior base edge. 11. The assembly of claim 1, wherein the sealing ring retainer comprises at least one body having a radially inner portion with first and second radially outwardly extending walls sharing a common axially extending wall, wherein the radially outwardly extending walls and the axially extending wall form a circumferentially extending groove. 12. The assembly of claim 11, wherein the sealing ring retainer comprises a body that is split. 13. The assembly of claim 11, wherein the sealing ring retainer comprises two or more bodies. 14. The assembly of claim 11, wherein the packing assembly further includes a spring support band positioned at least partially within the circumferentially extending groove. 15. The assembly of claim 1, wherein the packing arrangement includes first and second fastening rings. 16. The assembly of claim 15, wherein the second fastening ring has a base with a radially outer wall surface, an axially inner wall surface and an axially outer wall surface, and wherein the radially outer wall surface abuts the retaining cap inner surface, and wherein the axially inner wall surface abuts the axial end wall surface of the body connector. 17. The assembly of claim 1, wherein the sealing ring retainer has a radially inner portion and a radially extending inner surface, wherein the radially inner portion includes a platform surface extending axially outwardly of the radially extending inner surface and a lip step extending radially inwardly from the platform surface, wherein the platform surface and the lip step form a notch. 18. The assembly of claim 1, wherein the inner surface of the radially extending wall of the retaining cap does not contact the axial end wall surface of the center body connector. 19. A method of providing a locking pipe joint assembly, comprising: forming a center body connector with an outer surface, an axial end wall surface, and an interior surface forming a cavity extending through the body connector along a center body connector axis, the center body connector including a flange formed so as to extend radially inwardly from the interior wall surface and a block extending radially outwardly from the outer surface, wherein the block is formed with at least one opening having an inner surface;forming a retaining cap with a radially extending wall and an axially extending wall, with each of the radially extending and axially extending walls having respective inner and outer surfaces, with a bolt retaining block formed with and extending radially outwardly from the axially extending wall outer surface, with the bolt retaining block forming a bolt retaining cavity, wherein the retaining cap axially extending wall inner surface forms a cavity extending through the retaining cap along a retaining cap axis, and wherein the retaining cap axially extending wall is adapted to threadedly engage the body connector outer surface such that the center body connector axis and the retaining cap axis are coaxial; andproviding a first packing arrangement for engagement with the retaining cap inner surface and the body connector interior surface, wherein the first packing arrangement comprises at least one sealing member and a sealing ring retainer, wherein the sealing ring retainer has an axially outer surface having a support ridge positioned radially inwardly of a tip, wherein the axially outer surface includes a lower edge surface extending axially inwardly and radially inwardly from the tip, and further includes an upper edge surface extending axially inwardly and radially outwardly from the support ridge such that the upper edge surface meets the lower edge surface at a notch. 20. The method of claim 19, wherein the sealing ring retainer has a radially inner portion and a radially extending inner surface, wherein the radially inner portion includes a platform surface extending axially outwardly of the radially extending inner surface and a lip step extending radially inwardly from the platform surface, wherein the platform surface and the lip step form a notch. 21. The method of claim 19, wherein the radially extending wall inner surface of the retaining cap includes a neck extending radially inwardly from the axially extending wall inner surface to a head portion, and wherein the head portion has a ridge formed therewith that extends axially inwardly of the neck. 22. A locking pipe joint assembly, comprising: a center body connector having a center portion, an outer surface, an axial end wall surface, and an interior surface forming a cavity extending through the body connector along a center body connector axis, the center body connector including a flange formed so as to extend radially inwardly from the interior wall surface and a block extending radially outwardly from the outer surface, wherein the block is formed with at least one opening having an inner surface, and further including a pair of pipe receiving portions extending axially from the center portion in opposite directions, wherein each of the pipe receiving portions includes a thread;at least one retaining cap having a radially extending wall and an axially extending wall, with each of the radially extending and axially extending walls having respective inner and outer surfaces, with a bolt retaining block formed with and extending radially outwardly from the axially extending wall outer surface, with the bolt retaining block forming a bolt retaining cavity, wherein the retaining cap axially extending wall inner surface forms a cavity extending through the retaining cap along a retaining cap axis, wherein the retaining cap axially extending wall includes a thread adapted to engage the thread of at least one of the pipe receiving portions of the center body connector;a bolt element extending through the bolt retaining cavity of the retaining cap and secured to the inner surface of the at least one opening in the block extending radially outwardly of the body connector outer surface; anda first packing arrangement for engagement with the retaining cap inner surface and the body connector interior surface, wherein the first packing arrangement comprises at least one sealing member and a sealing ring retainer, wherein the sealing ring retainer has an axially outer surface having a support ridge positioned radially inwardly of a tip, wherein the axially outer surface includes a lower edge surface extending axially inwardly and radially inwardly from the tip, and further includes an upper edge surface extending axially inwardly and radially outwardly from the support ridge such that the upper edge surface meets the lower edge surface at a notch. 23. The assembly of claim 22, wherein the first packing is compressed as the retaining cap threadedly engages the center body connector. 24. The assembly of claim 22, wherein the at least one retaining cap comprises first and second retaining caps, and wherein each of the retaining caps is adapted to engage the respective thread of a respective one of the pipe receiving portions of the center body connector.
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