Fluid Connection Assembly

Abstract

A retainer for a fluid connection assembly including a first end, a second end, a first section, a second section displaceable relative to the first section, a radially inward surface, a radially outward surface, and an indicator slidably connected to the first section.

Description

[Technical field]

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS This application claims the benefit under Articles 4 and 8 of the Stockholm Act of the Paris Convention for the Protection of Industrial Property to International Patent Application No. PCT / US2021 / 035393, filed June 2, 2021, and International Patent Application No. PCT / US2020 / 057312, filed October 26, 2020, which applications are incorporated herein by reference in their entireties.

[0002] The present disclosure relates to fluid connectors, more particularly to a fluid connection assembly including a retainer that reduces the insertion force required for assembly and allows for rapid assembly without the need for tools, and even more particularly to a retainer that includes a device that indicates the status of the fluid connection assembly. [Background technology]

[0003] Fluid connectors, fluid connections and fluid connection assemblies are essential components for many applications, especially automotive applications. Because automotive systems are made up of various components such as radiators, transmissions, engines, etc., fluids must be able to move within each component as well as between components. An example of a fluid moving between components is transmission fluid moving from the transmission to a transmission oil cooler to reduce the temperature of the transmission fluid. Fluids move primarily between components through flexible or rigid hoses connected to each component by fluid connectors. Such fluid connectors typically include a retaining clip, retaining ring clip, or snap ring mounted to the connector body adapted to snap behind a raised shoulder on the tube when the tube is fully inserted into the connector body. However, for the fluid connector to function properly, a slot or opening must be machined into the connector body to allow the retaining clip to protrude therethrough and engage the tube, which requires additional post-processing manufacturing operations. During the assembly process, attachment of the retaining clip to the connector body is difficult to perform and improper attachment of the retaining clip may jeopardize the structural integrity of the retaining clip. In addition, the force required to engage the tube into the connector body and overcome the radial force of the retention clip is very large with current designs. Also, the retention clips are very thin and small, making them easy to lose if dropped or misplaced. Furthermore, some connection assembly solutions are time consuming to fasten and require tools for the assembly process. Furthermore, current connection assembly solutions do not provide an indication of the connected state of the assembly.

[0004] Thus, there is a long felt need for a fluid connection assembly that includes a retainer that allows for disassembly, eliminates post-processing machining, reduces the insertion force required to assemble the fluid connector, and indicates the connection status of the tubes within the connector body and the retainer. Summary of the Invention

[0005] According to aspects presented herein, there is provided a retainer for a fluid connection assembly comprising a first end, a second end, a first section, a second section displaceable relative to the first section, a radially inward facing surface, a radially outward facing surface, and an indicator slidably connected to the first section.

[0006] In some embodiments, the retainer further comprises a hole extending radially inward from the radially outward surface. In some embodiments, the indicator is disposed within the hole. In some embodiments, the hole comprises at least one axial flange disposed therein. In some embodiments, the at least one axial flange is disposed radially between the radially outward surface and the radially inward surface and spaced apart from the radially outward surface and the radially inward surface. In some embodiments, the indicator comprises a base disposed radially within the radially inward surface, a shaft connected to the base, and a head connected to the shaft. In some embodiments, the indicator further comprises at least one arm pivotally connected to the base, the at least one arm configured to urge the indicator radially inward against the radially inward surface. In some embodiments, the at least one arm is configured to be engageable with the at least one flange. In some embodiments, in a fully assembled locked state, the head protrudes radially outward from the radially outward surface, and in a semi-assembled locked state, the head does not protrude radially outward from the radially outward surface. In some embodiments, the retainer further comprises a first flange extending radially inward from the radially inward surface at a first end and a second flange extending radially inward from the radially inward surface at a second end. In some embodiments, the indicator is disposed on the second flange. In some embodiments, the first flange comprises a first width and the second flange comprises a second width, the second width being greater than the first width.

[0007] According to aspects presented herein, there is provided a fluid connection assembly including: a connector body including a first end, a second end, a through hole, and a first radially outward surface having a groove; and a retainer configured to be removably connectable to the connector body, the retainer including a third end, a fourth end, a first section, a second section displaceable relative to the first section, a radially inward surface, a second radially outward surface, a hole extending from the second radially outward surface to the radially inward surface, and an indicator slidably disposed within the hole.

[0008] In some embodiments, the hole comprises at least one flange disposed therein. In some embodiments, the indicator comprises a base radially disposed within the radially inwardly facing surface, a shaft connected to the base, and a head connected to the shaft. In some embodiments, the indicator further comprises at least one arm pivotally connected to the base, the at least one arm configured to urge the indicator radially inward against the radially inwardly facing surface. In some embodiments, the at least one arm configured to engage with the at least one flange. In some embodiments, in a fully assembled and locked state, the head protrudes radially outward from the radially outwardly facing surface, and in a semi-assembled and locked state, the head does not protrude radially outward from the radially outwardly facing surface. In some embodiments, the retainer further comprises a first flange extending radially inward from the radially inwardly facing surface at a first end, and a second flange extending radially inward from the radially inwardly facing surface at a second end, the indicator being disposed on the second flange. In some embodiments, the first flange comprises a first width and the second flange comprises a second width, the second width being greater than the first width.

[0009] These and other objects, features, and advantages of the present disclosure will become readily apparent from a consideration of the following detailed description of the disclosure, taken in light of the drawings and the appended claims. [Brief description of the drawings]

[0010] Various embodiments are disclosed by way of example only and with reference to the accompanying schematic drawings in which corresponding reference symbols indicate corresponding parts, and in which: [Figure 1] FIG. 2 is a perspective view of the fluid connection assembly in a fully assembled and locked state. [Diagram 2] FIG. 2 is a perspective view of the fluid connection assembly shown in FIG. 1 in a semi-assembled locked state. [Diagram 3] FIG. 2 is an exploded perspective view of the fluid connection assembly shown in FIG. 1. [Figure 4] FIG. 2 is a perspective view of the retainer shown in FIG. 1 in an unlocked state. [Diagram 5] 5 is a cross-sectional view of the fluid connection assembly taken generally along line 5-5 of FIG. 1. [Figure 6] 6 is a cross-sectional view of the fluid connection assembly taken generally along line 6-6 of FIG. 2. [Figure 7] 7 is a cross-sectional view of the fluid connection assembly taken generally along line 7-7 of FIG. 1. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0011] It should be recognized at the outset that like drawing numbers on different drawings may identify identical or functionally similar structural elements. It is to be understood that the claims are not limited to the disclosed aspects.

[0012] Further, it is to be understood that this disclosure is not limited to the particular methods, materials, and modifications described, as such can, of course, vary. It is also to be understood that the terminology used herein is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the claims.

[0013] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure pertains. It is understood that methods, devices, or materials similar or equivalent to those described herein may be used in the practice or testing of the example embodiments. The assemblies of the present disclosure may be actuated hydraulically, electronically, pneumatically, and / or spring-driven.

[0014] It is to be appreciated that the term "substantially" is synonymous with words such as "near," "very near," "about," "approximately," "approximately," "essentially," "neighborhood," "vicinity," and the like, and that such terms may be used interchangeably when they appear in the specification and claims. It is to be understood that the term "proximate" is synonymous with words such as "near," "close," "adjacent," "neighboring," "immediately," "next to," and the like, and that such terms may be used interchangeably when they appear in the specification and claims. The term "approximately" is intended to mean a value within 10 percent of the specified value.

[0015] The use of "or" in this application is understood to refer to a "non-exclusive" arrangement unless otherwise stated. For example, when it says "item x is A or B," this is understood to mean either (1) or (2) below: (1) item x is only one or the other of A and B; (2) item x is both A and B. In other words, the word "or" is not used to define an "exclusive or" arrangement. For example, the "exclusive or" arrangement for the statement "item x is A or B" requires that x is only one of A and B. Furthermore, as used herein, "and / or" is intended to mean a grammatical conjunction used to indicate that one or more of the listed elements or conditions may be included or occur. For example, a device comprising a first element, a second element, and / or a third element is intended to be interpreted as any one of the following structural arrangements: That is, an apparatus comprising a first element, an apparatus comprising a second element, an apparatus comprising a third element, an apparatus comprising a first element and a second element, an apparatus comprising a first element and a third element, an apparatus comprising a first element, a second element, and a third element, or an apparatus comprising a second element and a third element.

[0016] Furthermore, as used herein, the phrases "comprising at least one of" and "comprising at least one of" in conjunction with a system or element are intended to mean that the system or element includes one or more of the elements listed after the phrase. For example, an apparatus comprising at least one of a first element, a second element, and a third element is intended to be interpreted as any one of the following structural arrangements: an apparatus comprising a first element, an apparatus comprising a second element, an apparatus comprising a third element, an apparatus comprising a first element and a second element, an apparatus comprising a first element and a third element, an apparatus comprising a first element, a second element, and a third element, or an apparatus comprising a second element and a third element. A similar interpretation is also intended when the phrase "used in at least one of" is used herein. Furthermore, as used herein, "and / or" is intended to mean a grammatical conjunction used to indicate that one or more of the listed elements or conditions may be included or occur. For example, a device comprising a first element, a second element, and / or a third element is intended to be construed as any one of the following structural arrangements: a device comprising a first element, a device comprising a second element, a device comprising a third element, a device comprising a first element and a second element, a device comprising a first element and a third element, a device comprising a first element, a second element, and a third element, or a device comprising a second element and a third element.

[0017] It should be appreciated that the term "tube" as used herein is synonymous with hose, pipe, channel, conduit, tube end formation, or any other suitable pipe flow used in hydraulics and fluid mechanics. It should be further appreciated that the term "tube" may refer to a rigid or flexible conduit of any material suitable for containing and allowing the flow of gases or liquids.

[0018] As used herein, a "fully assembled and locked state" refers to a fluid connection assembly where the tubing is fully connected to the connector body and the retainer is fully connected to the connector body to hold the tubing therein. As used herein, a "semi-assembled and locked state" refers to a fluid connection assembly where the retainer is fully connected to the connector body but no tubing is disposed within the connector body or retainer. The retainer may be described as having a "locked state" or an "unlocked state" that refers to the state of the retainer independent of the connector body and the tubing.

[0019] Referring now to the drawings, Fig. 1 is a perspective view of the fluid connection assembly 10 in a fully assembled and locked state. Fig. 2 is a perspective view of the fluid connection assembly 10 in a semi-assembled and locked state (i.e., with the tube 80 removed). Fig. 3 is an exploded perspective view of the fluid connection assembly 10. The fluid connection assembly 10 generally includes a retainer 20, a tube 80, a connector body 40, and an indicator 100. The following description should be read in conjunction with Figs. 1-3.

[0020] Tube 80 comprises end 82, section 83, bead or shoulder 87, section 89, end 82, and through hole 94. Through hole 94 extends through tube 80 from end 82 to end 92. Section 83 is disposed between end 82 and shoulder 87 and comprises radially outwardly facing surface 84. Radially outwardly facing surface 84 comprises a substantially constant diameter. In some embodiments, radially outwardly facing surface 84 comprises a frustoconical tapered or curved surface proximate end 82 (see FIG. 5). Shoulder 87 is disposed between section 83 and section 89 and comprises face 86 and face 88. In some embodiments, face 86 is an axial surface that faces at least partially in axial direction AD1, and face 88 is an axial surface that faces at least partially in axial direction AD2. In some embodiments, face 86 is a frustoconical surface that extends radially inwardly in axial direction AD1 from the radially outwardly facing surface of shoulder 87. For example, surface 86 may be straight conical and may increase in diameter in axial direction AD2. In some embodiments, surface 86 may include a straight portion and a conical or frustoconical portion. Section 89 is disposed between shoulder 87 and end 92 and includes radially outwardly facing surface 90. Radially outwardly facing surface 90 includes a substantially constant diameter. Tube 80 is configured to be inserted into connector body 40, specifically end 82 first. Tube 80 is inserted into connector body 40 until section 83, or radially outwardly facing surface 84, engages seal 62 (see FIG. 5). Shoulder 87 engages end 44, more specifically surface 86 abuts and / or engages end 44, as described in more detail below, at which point retainer 20 is assembled to retain tube 80 in connector body 40. It should be appreciated that tube 80 may be any conventional tube or tube end formation comprising a radially outward and axially extending bead, a radially outward extending protrusion or flange, or a tapered profile on the outer surface of the tube to secure the tube within the connector body. In some embodiments, tube 80 comprises a metal, a polymer, and / or a ceramic.

[0021] Figure 4 is a perspective view of the retainer 20 in an unlocked state. Figure 5 is a cross-sectional view of the fluid connection assembly 10 taken generally along line 5-5 in Figure 1. Figure 6 is a cross-sectional view of the fluid connection assembly 10 taken generally along line 6-6 in Figure 2. Figure 7 is a cross-sectional view of the fluid connection assembly 10 taken generally along line 7-7 in Figure 1. The following description should be read in light of Figures 1-7.

[0022] The retainer 120 generally comprises a section 20A, a section 20B, an end 22, an end 24, a hole 21 extending from end 22 to end 24, a radially outwardly facing surface 26, and a radially inwardly facing surface 28. In some embodiments, the section 20A is hingedly connected to the section 20B, for example, via a hinge 34. In some embodiments, the hinge 34 is a living hinge. In some embodiments, the section 20A is removably connected to the section 20B. When the sections 20A and 20B are connected or the retainer 20 is in a locked state (FIGS. 1-3), the hole 21 is formed therebetween. However, it should be appreciated that even in an unlocked state (FIG. 4), each of the sections 20A and 20B can be said to include a respective hole 21.

[0023] The radially inwardly facing surface 28 extends from the end 22 and is configured to be engageable with the radially outwardly facing surface 52. The radially inwardly facing surface 28 includes a flange 30 extending radially inward therefrom. The flange 30 is disposed adjacent the end 22. The flange 30 is configured to be engageable with the groove 54, and the radially inwardly facing surface 28 is configured to be engageable with the radially outwardly facing surface 52 to connect the retainer 20 to the connector body 40. The radially inwardly facing surface 28 further includes a flange 32 extending radially inward therefrom. The flange 32 is disposed adjacent the end 24. The flange 32 is configured to be engageable with the shoulder 87 to connect the tube 80 to the connector body 40. The flange 30 includes a width W2 and the flange 32 includes a width W3. In some embodiments, the width W3 is greater than the width W2.

[0024] As best seen in FIG. 5, flange 32 is spaced a first distance from flange 30. Groove 54 is spaced a second distance from end 44. Shoulder 87 has a width equal to a third distance. The first distance is substantially equal to the sum of the second and third distances. With this design, when retainer 20 is connected to connector body 40 and tube 80, flange 32 abuts surface 88 and surface 86 abuts end 44 (i.e., retainer 20 clamps shoulder 87 to end 44). In some embodiments, the first distance is less than the sum of the second and third distances. This causes shoulder 87 and connector body 40 to be pinched or clamped together. In some embodiments, the first distance is greater than the sum of the second and third distances such that shoulder 87 engages or is in close proximity to connector body 40. Further, the flange 30 has a width W2 and the groove 54 has a width W1, the width W2 being smaller than the width W1. Thus, when the retainer 20 is connected to the connector body 40 without the tube 80, the retainer 20 can slide or displace in the axial direction AD1 and the axial direction AD2 relative to the connector body 40. When the tube 80 is properly fastened to the connector body 40 by the retainer 20, the retainer 20 cannot displace in the axial direction AD1 and the axial direction AD2 relative to the connector body 40. This feature provides an indicator regarding the connection status of the fluid connection assembly 10 and will be described in more detail below. In some embodiments, the width W2 is substantially equal to the width W1.

[0025] Flange 32 has a first diameter and shoulder 87 has a second diameter. The first diameter is smaller than the second diameter, thereby preventing shoulder 87 from being removed from connector body 40 or preventing tube 80 from being displaced axially in a direction AD2 or from being rotated relative to connector body 40 (i.e., bending moment). In some embodiments, radially inward surface 28 has a third diameter equal to the second diameter, thereby preventing shoulder 87 from being displaced radially in a direction RD1 or radially in a direction RD2 relative to connector body 40.

[0026] Section 20A includes a male connector 36 and section 20B includes a female connector 38. As shown, male connector 36 of section 20A is configured to engage with female connector 38 of section 20B such that sections 20A and 20B are fixedly fastened together. In some embodiments, male connector 36 is hook-shaped (in the radially outward direction) and includes a groove 36A and a protrusion 36B. Groove 36A is disposed on radially outward surface 26. Protrusion 36B extends generally radially outward from groove 36A in radial direction RD1. In some embodiments, protrusion 36B includes a tapered portion near its radially outermost end configured to permit easier engagement of protrusion 36B with female connector 38, specifically opening 38A.

[0027] The female connector 38 includes an opening 38A extending radially inward from the radially outward surface 26. The opening 38A is configured to engage with the protrusion 36B to lock the section 20B to the section 20A. The female connector 38 further includes a recess 38B. In some embodiments, the recess 38B is disposed on the radially inward surface 28 (i.e., extends radially outward from the radially inward surface 28). As the section 20B is displaced toward the section 20A, the female connector 38 engages with the protrusion 36B and displaces radially outward in the radial direction RD1. When the opening 38A is aligned with the protrusion 36B, the female connector 38 snaps back radially inward in the radial direction RD2, thereby locking the section 20B to the section 20A.

[0028] The retainer 20 further comprises a hole 70 extending radially inward from the radially outward surface 26. The hole 70 is axially disposed on the flange 32. In some embodiments, the hole 70 is axially disposed between the ends of the flange 32 (i.e., the end 24 and the radially inward surface 28) and spaced apart from the ends of the flange 32. The hole 70 comprises an axial surface 72A and an axial surface 72B. The flange 74A is radially disposed between the radially outward surface 26 and the radially inward surface of the flange 32. The flange 74A extends in an axial direction AD2 from the axial surface 72A. The flange 74B is radially disposed between the radially outward surface 26 and the radially inward surface of the flange 32. The flange 74B extends in an axial direction AD1 from the axial surface 72B. As best shown in FIGS. 5-6, there is an axial space between the flanges 74A and 74B. Although the drawings show holes 70 disposed on section 20A, it should be appreciated that in some embodiments, holes 70 may be disposed on section 20B. In some embodiments, both sections 20A and 20B include holes 70. In some embodiments, retainer 20 comprises a metal, a polymer, and / or a ceramic.

[0029] The indicator or indicator tab 100 is slidably connected to the retainer 20, and specifically, the indicator 100 is slidably disposed within the hole 70. The indicator 100 comprises a base 102, a shaft 104, and a head 106. The shaft 104 comprises a first end fixedly secured to the base 102 and a second end fixedly secured to the head 106. The shaft 104 comprises a width in the axial direction AD1 and the axial direction AD2 that is smaller than the width of the base 102 and smaller than the width of the head 106 (see Figures 5-6). Thus, ledges 108A-B are formed on either axial side of the shaft 104. The ledges 108A-B are configured to engage with the flanges 74A-B, respectively, to prevent the indicator 100 from being removed from the retainer 20 in the radial direction RD2. The shaft 104 is slidably disposed between the flanges 74A and 74B. The indicator 100 is prevented from being removed from the retainer 20 in the radial direction RD1 by the base 102 and / or the arms 110A-B. The arm 110A is pivotally connected to a first end of the base 102 and engages the axial surface 72A. The arm 110B is pivotally connected to a second end of the base 102 and engages the axial surface 72B. The arms 110A-B generally function as springs that bias the indicator 100 in the radial direction RD2 relative to the retainer 20. In some embodiments, the indicator 100 and all of its components are integrally formed.

[0030] 2 and 6, arm 110A engages axial surface 72A and arm 110B engages axial surface 72B such that retainer 100 is displaced in radial direction RD2 and ledges 108A-B engage and / or abut flanges 74A-B. Head 106 does not protrude from radially outward surface 26 of retainer 20. Additionally, shaft 104 is not visible radially outward of radially outward surface 26.

[0031] When the fluid connection assembly 10 is in a fully assembled and locked state as shown in FIG. 1 and FIG. 5, the indicator 100 is displaced in a radial direction RD1 by the tube 80, which forces the arms 110A-B to bend toward the shaft 104. The arms 110B engage with the axial surface 72A and the flange 74A, and the arms 110B engage with the axial surface 72B and the flange 74B. In some embodiments, the arms 110A-B also engage with the shaft 104. The engagement of the arms 110A-B with the flanges 74A-B prevents the indicator 100 from being removed from the retainer 20 in the radial direction RD1. The head 106 protrudes radially outward from the radially outward surface 26 of the retainer 20. Additionally, the shaft 104 is visible radially outward from the radially outward surface 26. In some embodiments, the shaft 104 has a color (e.g., green, yellow, white, etc.) that is different from the color of the retainer 20 so that the shaft 104 is easily visible when it protrudes radially outward therefrom, thereby allowing a user to easily visually detect whether the fluid connection assembly 10 is in a fully assembled and locked state.

[0032] The connector body 40 comprises a through hole 41 extending from end 42 to end 44, a radially inwardly facing surface 48, a groove 50, a radially outwardly facing surface 52, a groove 54, a head 58, and a radially outwardly facing surface 60. The connector body 40 is configured to be connected to a component that is filled with or through which a fluid flows. For example, the connector body 40 may be connected to a refrigeration compressor or transmission via the radially outwardly facing surface 60, which may comprise male threads. The connector body 40 may be threaded into a threaded hole in the compressor via the head 58 (e.g., using a wrench) and then filled with refrigerant fluid. In some embodiments, the head 58 is hexagonal. However, it should be appreciated that the head 58 may comprise any suitable geometric shape for applying a torque to the connector body 40. Another component to which the fluid connector 10, and specifically the connector body 40, may be attached is a condenser, evaporator, or pump. It should be appreciated that the fluid connector 10 may be used in a variety of other components, assemblies, and subassemblies where a fluid connection is desired. The radially outwardly facing surface 60 may further include a groove 56. A seal or O-ring 64 is disposed within the groove 56 to form a fluid-tight seal between the connector body 40 and the component to which it is connected. A seal 62 is disposed within the connector body 40. Specifically, the seal 62 is disposed within the groove 50 and engages the tube 80 (i.e., the radially outwardly facing surface 84). The groove 50 is disposed on the radially inwardly facing surface 48. In some embodiments, the seal 62 is an O-ring. In some embodiments, the radially inwardly facing surface 48 is a substantially cylindrical surface. The end 44 is configured to engage a shoulder 87 and specifically prevent axial displacement of the tube 80 in the axial direction AD1.

[0033] The groove 54 is disposed on the radially outward surface 52. The groove 54 is disposed axially between the end 44 and the head 58. The groove 54 comprises a radially outward surface 45, a surface 46, and a surface 47. The radially outward surface 45 comprises a diameter smaller than a diameter of the radially outward surface 52. The surface 46 extends radially outward from the radially outward surface 45 and faces in an axial direction AD1. The surface 47 extends radially outward from the radially outward surface 45 and faces in an axial direction AD2. In some embodiments, the surface 46 and / or the surface 47 are disposed perpendicular to the radially outward surface 45. In some embodiments, the groove 54 is disposed axially between the end 44 and the head 58 and spaced apart from the end 44 and the head 58. In some embodiments, the groove 54 is disposed immediately adjacent the head 58. The groove 54 is configured to be able to engage the flange 30 to connect the retainer 20 to the connector body 40.

[0034] The groove 54 has a width W1 that is greater than a width W2 of the flange 30. In a semi-assembled locked state, when the retainer 20 is connected to the connector body 40 without the tube 80 being properly connected or present at all, the flange 30, and thus the retainer 20, is displaceable in the axial directions AD1 and AD2 relative to the groove 54, and thus the connector body 40 (i.e., the flange 30 can slide back and forth between the surface 46 and the surface 47). This provides an indication that the fluid connection assembly 10 is not properly assembled. When the retainer 20 is connected to the connector body 40 with the tube 80 being properly connected, the flange 30, and thus the retainer 20, is not displaceable in the axial directions AD1 and AD2 relative to the groove 54, and thus the connector body 40 (i.e., the flange 30 abuts the surface 46 as shown in FIG. 5). In some embodiments, the connector body 40 comprises a metal, a polymer, and / or a ceramic.

[0035] To assemble the fluid connection assembly 10, the tube 80 is inserted axially into the connector body 40, end 82 first, in a direction AD1. The radially outwardly facing surface 84 engages the seal 62, and the section 83 is disposed inwardly near the radially inwardly facing surface 48 of the connector body 40. The shoulder 87 engages the end 44 of the connector body 40, specifically, the surface 86 abuts the end 44. In some embodiments, as shown, the shoulder 87 is located completely outside the connector body 40. The retainer 20 is then clipped over both the connector body 40 and the tube 80. Specifically, the sections 20A and 20B are disposed over the connector body 40 such that the flange 30 is at least partially aligned with the groove 54 and the flange 32 is at least partially aligned with the surface 88. Sections 20A and 20B are displaced radially inward toward one another (i.e., in radial direction RD2) until female connector 38 fully engages male connector 36 and retainer 20 is locked. Additionally, base 102 engages tube 80, specifically radially outward surface 90, thereby displacing indicator 100 in radial direction RD1 relative to retainer 20.

[0036] In the fully assembled and locked state, flange 30 engages groove 54, radially inward surface 28 engages radially outward surface 52, flange 32 engages shoulder 87 of tube 80, base 102 engages radially outward surface 90, and head 106 and shaft 104 project radially outward from radially outward surface 26 of retainer 20. In some embodiments, in the fully assembled and locked state, flange 30 abuts surface 46, flange 32 abuts surface 88, and surface 86 abuts end 44. In some embodiments, in the fully assembled and locked state, flange 30 abuts radially outward surface 45, thus preventing radial or circumferential displacement of retainer 20 relative to connector body 40. In some embodiments, flange 32 engages radially outward surface 90. The engagement between the connector body 40 and the tube 80 prevents axial displacement of the tube 80 in the axial direction AD1, and the engagement between the retainer 20 and the connector body 40 and the tube 80 prevents axial displacement of the tube 80 relative to the connector body 40 in the axial direction AD2 and in the radial directions RD1 and RD2.

[0037] To disassemble, female connector 38 is displaced radially outward in radial direction RD1 relative to male connector 36 until opening 38A disengages from projection 36B. Sections 20A and 20B are then separated to disengage flange 32 from shoulder 87, at which point tube 80 can be removed from connector body 40. Arms 110A-B further press indicator 100 in radial direction RD2 against retainer 20 such that head 106 and shaft 104 no longer protrude radially outward from radially outward surface 26.

[0038] It will be recognized that various aspects of the above-disclosed and other features and functions, or alternatives thereof, may be desirably combined into many other different systems or applications, and various presently unforeseen or unanticipated substitutions, modifications, variations, or improvements therein may be subsequently made by those skilled in the art, which are also intended to be within the scope of the following claims. [Explanation of symbols]

[0039] 10 Fluid Connection Assembly 20 Retainer 20A Section Section 20B 21 holes 22 End 24 End 26 Radial outward facing surface 28 Radial inward facing surface 30 Flange 32 Flange 34 Hinge 36 Male Connector 36A Groove 36B protrusion 38 female connector 38A aperture 38B Recess 40 Connector body 41 Through hole 42 End 44 End 45 Radial outward facing surface 46 Axial Surface 47 Axial Surface 48 Radial inward facing surface 50 grooves 52 Radial outward facing surface 54 Groove 56 Groove 58 Head 60 Radial outward facing surface 62 Seal 64 Seal 70 holes 72A Axial surface 72B Axial surface 74A Flange 74B Flange 80 Tubes 82 End Section 83 84 Radial outward facing surface 86 sides 87 Shoulder or bead 88 sides Section 89 90 Radial outward facing surface 92 End 94 Through hole 100 indicator 102 Base 104 Shaft 106 Head 108A Protrusion 108B protrusion 110A Arm 110B Arm AD1 Axial direction AD2 axial direction RD1 Radial direction RD2 Radial direction W1 width W2 Width W3 width

Claims

1. A first end; A second end. A first section; a second section displaceable relative to the first section; and A radially inward surface; a radially outward surface; an indicator slidably connected to the first section; The indicator is a base disposed radially within the radially inward surface; A shaft connected to the base; A head connected to the shaft; at least one arm pivotally connected to the base and configured to urge the indicator radially inward against the radially inward surface; A retainer for a fluid connection assembly.

2. a hole extending radially inward from the radially outward surface; The retainer of claim 1 .

3. The indicator is disposed within the hole. The retainer of claim 2 .

4. the bore having at least one flange disposed therein and extending axially therefrom; The retainer of claim 3 .

5. the at least one flange is radially disposed between and spaced apart from the radially outward and radially inward surfaces. The retainer of claim 4 .

6. the at least one arm is configured to be engageable with the at least one flange; The retainer of claim 4 .

7. In a fully assembled and locked state, the head protrudes radially outward from the radially outward surface, In a semi-assembled locked state, the head does not protrude radially outward from the radially outward surface. The retainer of claim 1 .

8. a first flange extending radially inward from the radially inward surface at the first end; a second flange extending radially inward from the radially inward surface at the second end. The retainer of claim 1 .

9. The indicator is disposed on the second flange. The retainer of claim 8.

10. the first flange has a first width; the second flange has a second width; The second width is greater than the first width. The retainer of claim 8.

11. A connector body, A first end; A second end. A through hole; a connector body radially outward surface having a groove; A connector body including: A retainer configured to be removably connectable to the connector body, A third end. A fourth end. A first section; a second section displaceable relative to the first section; and a retainer radially inward surface; a retainer radially outward surface; a first flange extending radially inwardly from the retainer radially inner surface at the third end; a second flange extending radially inwardly from the retainer radially inner surface at the fourth end; a hole extending from the retainer radially outward surface to the retainer radially inward surface; an indicator slidably disposed within the bore; and a retainer including: The first flange is disposed on a first axial side of the second end of the connector body, and the second flange is disposed on a second axial side opposite to the first axial side of the second end of the connector body. Fluid connection assembly.

12. The bore includes at least one flange disposed therein. The fluid connection assembly of claim 11.

13. The indicator is a base disposed radially within the retainer radially inward surface; A shaft connected to the base; a head connected to the shaft, The fluid connection assembly of claim 12.

14. the indicator further comprises at least one arm pivotally connected to the base; the at least one arm is configured to urge the indicator radially inward against the retainer radially inward surface; The fluid connection assembly of claim 13.

15. the at least one arm is configured to be engageable with the at least one flange; The fluid connection assembly of claim 14.

16. In a fully assembled and locked state, the head protrudes radially outward from the retainer radially outward surface, In a semi-assembled locked state, the head does not protrude radially outward from the retainer radially outward surface. The fluid connection assembly of claim 13.

17. The indicator is disposed on the second flange. The fluid connection assembly of claim 11.

18. the first flange has a first width; the second flange has a second width; The second width is greater than the first width.

20. The fluid connection assembly of claim 17.

19. A first end portion; A second end. A first section; a second section displaceable relative to the first section; and A radially inward surface; a radially outward surface; a bore extending radially inward from said radially outward surface, said bore including at least one axially extending flange disposed therein; an indicator disposed within the bore and slidably connected to the first section. A retainer for a fluid connection assembly.

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