Integrated movable joint

Abstract

The integrated movable connector comprises a tubular connector body, one end of the connector body in the length direction is turned outwards to form an annular turning ring, the other end of the connector body in the length direction protrudes outwards in the circumferential direction to form a protruding ring, and the connector body is of an integrally-formed structure; according to the integrated movable connector, the effect of fixing an external pipeline is improved through the convex ring, and the connector body is of an integrally-formed structure. The convex ring and the turning ring are processed on the joint main body through processes such as stamping or rotary stamping, so that the requirements of processing processes such as welding are avoided; the inner diameter of the nut is smaller than the outer diameter of the turning ring and the outer diameter of the protruding ring, and therefore the nut cannot be disengaged in the transferring and storing process.

Description

TECHNICAL FIELD

[0001] The utility model relates to a movable joint field, especially a kind of integrated movable joint. BACKGROUND

[0002] Movable joint is a kind of connecting device allowing rotation or angle adjustment between two or more components, widely used in various mechanical systems to realize flexible movement and function transmission. It is usually installed on pipe, transmission shaft and other devices needing dynamic connection, its main role is to provide certain degree of freedom for system while carrying out fluid transmission or power transmission, so as to adapt to the change of different directions or positions. This design not only can effectively reduce the rigid constraint between components, but also can reduce the stress concentration caused by vibration, thermal expansion and contraction or installation error, so as to improve the reliability, safety and service life of overall system. Movable joint structure is various, including spherical, hinged or universal joint type, etc., different types can be selected according to specific application requirements to meet the high performance requirements under complex working conditions.

[0003] Common movable joint and ring table structure combined with nut are generally connected by welding, which improves the processing difficulty. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a kind of integrated movable joint, to solve the problem that common movable joint and ring table structure combined with nut are generally connected by welding, which improves the processing difficulty.

[0005] In order to achieve the above purpose, the utility model provides a kind of integrated movable joint, comprising:

[0006] The joint body is tubular, and the outer end of the length direction is turned over to form a ring-shaped turn, and the other end of the length direction of the joint body is outwardly convex to form a convex ring, wherein the joint body is an integral structure;

[0007] The nut is sleeved on the joint body, the inner circumference of the nut is a threaded structure, and the inner diameter of the nut is smaller than the outer diameter of the turn and the outer diameter of the convex ring.

[0008] Further, the integrated movable joint further comprises a first sealing ring with a "G" shaped cross section, the first sealing ring comprises a cylindrical portion and a ring-shaped portion connected to the outer circumference of the cylindrical portion, the cylindrical portion is clamped between the inner circumference of the nut and the outer circumference of the joint body, and the ring-shaped portion is clamped between the nut and the turn on the length of the joint body.

[0009] Further, the outer end of the length direction of the joint body is expanded to form a conical frustum section.

[0010] Further, the outer wall of the frustum-shaped section is 3 to 10 degrees with the central axis of the joint body in the length direction.

[0011] Further, the length of the frustum-shaped section is consistent with the thickness of the screw cap.

[0012] Further, the diameter of one end of the joint body in the length direction is smaller than the diameter of the other end of the joint body in the length direction.

[0013] Further, the diameter of one end of the joint body in the length direction is 1 to 2 mm smaller than the diameter of the other end of the joint body in the length direction.

[0014] Further, the integrated movable joint further comprises a second annular sealing ring corresponding to the turned end face.

[0015] Further, the material of the first sealing ring is silica gel or polyurethane.

[0016] Further, the joint body and the screw cap are both made of stainless steel.

[0017] The integrated movable joint provided by the utility model has the following advantages: the one end of the joint body is turned outwards to form a ring, and the other end of the joint body is outwardly convex in the circumferential direction to form a convex ring, the convex ring improves the fixing effect of external pipelines, and the joint body is an integrated structure, the convex ring and the turned ring are processed on the joint body through stamping or rotary stamping, and the need for welding and other processing procedures is eliminated, the inner diameter of the screw cap is smaller than the outer diameter of the turned ring and the outer diameter of the convex ring, and therefore the screw cap will not be detached during the transportation and storage. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a schematic view of the joint body in the integrated movable joint of the first embodiment of the utility model;

[0019] Figure 2 is a schematic view of the joint body in the integrated movable joint of the first embodiment of the utility model (connected state); Figure 1 is a partial enlargement of the joint body;

[0020] Figure 3 is a schematic view of the joint body in the integrated movable joint of the first embodiment of the utility model (connected state);

[0021] Figure 4 is a schematic view of the joint body in the integrated movable joint of the first embodiment of the utility model (to-be-connected state);

[0022] Figure 5 is a partial enlargement of the joint body; Figure 4

[0023] Figure 6 ​Is the second embodiment of the utility model integral movable joint main joint body schematic diagram.

[0024] Reference signs: 100 - joint body, 110 - turn, 120 - convex ring, 130 - conical section, 200 - nut, 300 - first sealing ring, 310 - cylindrical part, 320 - ring part. DETAILED DESCRIPTION

[0025] It should be understood that the specific embodiments described herein are merely intended to explain the present application, and are not intended to limit the present application.

[0026] Those skilled in the art can understand that, unless specifically stated, the singular form "a", "an", "said" "above" and "the" used herein also includes the plural form. It should be further understood that the use of the phrase "comprising" in the specification of the present application means that the features, integers, steps, operations, elements, units, modules and / or components exist, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, units, modules, components and / or their combinations. It should be understood that when we say that an element is "connected" or "coupled" to another element, it can be directly connected or coupled to the other element, or there can be intermediate elements. In addition, the "connection" or "coupling" used herein can include wireless connection or wireless coupling. The phrase "and / or" used herein includes all or any unit and all combinations of the associated listed items.

[0027] Those skilled in the art can understand that, unless otherwise defined, all terms (including technical terms and scientific terms) used herein have the same meaning as that generally understood by those skilled in the art to which the present application belongs. It should also be understood that terms such as those defined in general dictionaries should be understood as having meanings consistent with those in the prior art, and unless specifically defined as here, should not be interpreted as having idealized or overly formal meanings.

[0028] Reference Figures 1 to 6 , in an embodiment of the present application, an integral movable joint, comprising:

[0029] The joint body 100 is tubular, the outer end of the length direction is turned to form a ring-shaped turn 110, and the other end of the length direction of the joint body 100 is outwardly convex to form a convex ring 120, wherein the joint body 100 is an integral structure;

[0030] The nut 200 is sleeved on the joint body 100, the inner circumference of the nut 200 is a threaded structure, and the inner diameter of the nut 200 is smaller than the outer diameter of the turn 110 and the outer diameter of the convex ring 120.

[0031] In the prior art, the common movable joint combined with the ring table structure of the nut is generally connected by welding, which increases the processing difficulty.

[0032] The integral movable joint provided by the utility model includes a joint body 100 and a nut 200. The joint body 100 is tubular in whole. One end of the joint body 100 in the length direction is turned outward to form a ring-shaped turn 110. The other end of the joint body 100 in the length direction is outwardly convex in the circumferential direction to form a convex ring 120, and the convex ring 120 is used to improve the fixing effect on the external pipeline. The joint body 100 is integrally formed. The convex ring 120 and the turn 110 are processed on the joint body 100 by stamping or rotary stamping process, so that the need for welding and other processing procedures is eliminated.

[0033] The nut 200 is sleeved on the joint body 100, and the inner periphery of the nut 200 is a threaded structure. The connection with the external pipeline can be realized by rotating the nut 200. The inner diameter of the nut 200 is smaller than the outer diameter of the turn 110 and the outer diameter of the convex ring 120, so that the nut 200 cannot be taken out during the process of transfer and storage.

[0034] In summary, one end of the joint body 100 in the length direction is turned outward to form a ring-shaped turn 110, and the other end of the joint body 100 in the length direction is outwardly convex in the circumferential direction to form a convex ring 120. The convex ring 120 is used to improve the fixing effect on the external pipeline, and the joint body 100 is integrally formed. The convex ring 120 and the turn 110 are processed on the joint body 100 by stamping or rotary stamping process, so that the need for welding and other processing procedures is eliminated. The inner diameter of the nut 200 is smaller than the outer diameter of the turn 110 and the outer diameter of the convex ring 120, so that the nut 200 cannot be taken out during the process of transfer and storage.

[0035] Reference Figures 1 to 5 In one embodiment, the integral movable joint further includes a first sealing ring 300 in the shape of a "G" in cross section, the first sealing ring 300 includes a cylindrical portion 310 and a ring-shaped portion 320 connected to the outer periphery of the cylindrical portion 310, the cylindrical portion 310 is clamped between the inner periphery of the nut 200 and the outer periphery of the joint body 100, and the ring-shaped portion 320 is clamped between the nut 200 and the turn 110 in the length of the joint body 100.

[0036] In the embodiment, the structure of the first sealing ring 300 is provided to improve the sealing effect between the nut 200 and the joint body 100. The material of the first sealing ring 300 can be silica gel or polyurethane, etc. The first sealing ring 300 includes a cylindrical portion 310 and a ring-shaped portion 320 connected to the outer periphery of the cylindrical portion 310. The cylindrical portion 310 provides the sealing effect between the inner periphery of the nut 200 and the outer periphery of the joint body 100 in the circumferential direction. The ring-shaped portion 320 provides the sealing effect between the nut 200 and the turn-up 110 in the thickness direction. In particular, the turn-up 110 is formed by turning up one end of the joint body 100. The first sealing ring 300 provides the buffering and sealing supplement.

[0037] Referring to Figure 6 In one embodiment, the taper section 130 is formed by expanding one end of the joint body 100 in the length direction.

[0038] In the embodiment, the taper section 130 is formed by expanding one end of the joint body 100 in the length direction, so that the compression effect of the nut 200 on the cylindrical portion 310 of the first sealing ring 300 is improved during the combination of the nut 200 and the turn-up 110.

[0039] In one embodiment, the angle between the outer wall of the taper section 130 and the central axis of the joint body 100 in the length direction is 3 to 10 degrees.

[0040] In the embodiment, the taper section 130 is shaped to improve the sealing effect while ensuring the structural strength.

[0041] In one embodiment, the length of the taper section 130 is consistent with the thickness of the nut 200.

[0042] In the embodiment, the length of the taper section 130 is matched with the nut 200, so that the combination of the nut 200 and the taper section 130 is ensured while avoiding the increase of the processing difficulty of the joint body 100.

[0043] In one embodiment, the diameter of one end of the joint body 100 in the length direction is smaller than the diameter of the other end of the joint body 100 in the length direction.

[0044] In the embodiment, the diameter of the other end of the joint body 100 in the length direction is increased to provide the basis for the interference expansion of the external pipeline. Specifically, the difference between the diameters of the two ends of the joint body 100 is formed by the pipe expansion operation.

[0045] In one embodiment, the diameter of one end of the joint body 100 in the length direction is 1 to 2 millimeters smaller than the diameter of the other end of the joint body 100 in the length direction.

[0046] In the embodiment, the diameter difference of the joint body 100 at both ends in the length direction is limited, so as to facilitate the execution of the pipe expanding operation.

[0047] In one embodiment, the integrated movable joint further comprises a ring-shaped second sealing ring, which is arranged corresponding to the end surface of the turn 110.

[0048] In the embodiment, when the integrated movable joint is connected with the external pipeline, the second sealing ring is clamped between the external pipeline and the turn 110. The material of the second sealing ring can be glue or polyurethane, etc. The sealing effect at the connection position is improved through the second sealing ring.

[0049] In one embodiment, the material of the first sealing ring 300 is silica gel or polyurethane.

[0050] In the embodiment, the material of the first sealing ring 300 is limited, so as to improve the structural strength, sealing property and weather resistance. Specifically, the model of silica gel or polyurethane is selected according to actual needs.

[0051] In one embodiment, the joint body 100 and the nut 200 are both made of stainless steel.

[0052] In the embodiment, the materials of the joint body 100 and the nut 200 are limited to provide structural strength and weather resistance. In other embodiments, the materials of the joint body 100 and the nut 200 can also be aluminum alloy or polymer, etc.

[0053] In summary, the integrated movable joint provided by the utility model realizes the external pipeline fixing effect through the convex ring 120, and the joint body 100 is an integrated structure. The convex ring 120 and the turn 110 are processed on the joint body 100 through stamping or rotary stamping process, so that the need for welding process is avoided; the inner diameter of the nut 200 is smaller than the outer diameters of the turn 110 and the convex ring 120, so that the nut 200 will not be detached during the transportation and storage.

[0054] The above only describes the preferred embodiments of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation according to the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. An integral live joint, characterized in that The utility model relates to a kind of integrated movable joints, including: The joint body (100) is tubular, and the length direction one end is turned over to form annular turn (110), and the other end of the length direction of the joint body (100) is formed with convex ring (120) in the circumferential direction, wherein the joint body (100) is integrally formed structure; Nut (200) is set on the joint body (100), and the inner periphery of the nut (200) is threaded structure, and the inner diameter of the nut (200) is less than the outer diameter of the turn (110) and the outer diameter of the convex ring (120).

2. The unit joint according to claim 1, wherein The integrated movable joint further includes first sealing ring (300) with "G" shape in cross section, and the first sealing ring (300) includes cylindrical portion (310) and annular portion (320) connected to the outer periphery of the cylindrical portion (310), the cylindrical portion (310) is clamped between the inner periphery of the nut (200) and the outer periphery of the joint body (100), and the annular portion (320) is clamped between the nut (200) and the turn (110) on the length of the joint body (100).

3. The unit joint according to claim 2, wherein The joint body (100) is expanded outward at one end of the length direction to form frustum section (130).

4. The unit joint according to claim 3, wherein The angle between the outer wall of the frustum section (130) in the length direction and the central axis of the joint body (100) is 3 to 10 degrees.

5. The unit joint according to claim 3, wherein The length of the frustum section (130) is consistent with the thickness of the nut (200).

6. The unit joint of claim 1, wherein The diameter of one end of the length direction of the joint body (100) is less than the diameter of the other end of the length direction of the joint body (100).

7. The unit joint according to claim 6, wherein The diameter of one end of the length direction of the joint body (100) is 1 to 2 millimeters less than the diameter of the other end of the length direction of the joint body (100).

8. The unit joint of claim 1, wherein The integrated movable joint further includes annular second sealing ring, and the second sealing ring is arranged corresponding to the end face of the turn (110).

9. The unit joint according to claim 2, wherein The material of the first sealing ring (300) is silica gel or polyurethane.

10. The unit joint according to any one of claims 1 to 8, characterized in that The joint body (100) and the nut (200) are both made of stainless steel.

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