CN218719536U

CN218719536U - Rotary joint

Info

Publication number: CN218719536U
Application number: CN202222936521.0U
Authority: CN
Inventors: 胡鑫; 鲜大中; ***
Original assignee: Baode Shanghai Technology Co ltd
Current assignee: Baode Shanghai Technology Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-03-24
Anticipated expiration: 2032-11-04

Abstract

The utility model belongs to the technical field of connect, a rotary joint is disclosed, can adjust the direction of joint according to the demand, can make the joint realize 360 rotations, adapt to the cold drawing of different grade type and customer's demand, and be equipped with first sealing member and second sealing member and can realize the radial seal and the axial seal between this rotary joint and the cold drawing, through sealing its radial and axial, guaranteed its leakproofness, make the liquid in the cold drawing not reveal, and this joint is convenient to dismantle, only need to dismantle joint and base can, can not damage the cold drawing structure, facilitate subsequent maintenance; and the sealing performance of the rotary joint cannot be damaged during disassembly, and the sealing performance of the rotary joint can be maintained by replacing the two sealing elements after disassembly.

Description

Rotary joint

Technical Field

The utility model relates to a connect technical field, especially relate to a rotary joint.

Background

Traditional water-cooling board connects adopts welding mode to fix on the cold drawing, can't rotate or adjust the position, nevertheless along with the rapid development and the continuous update of technique of electric power industry, electronic components power constantly improves, and heat dissipation size and space constantly reduce, also brings higher and higher challenge to heat dispersion and pipeline position connection.

At present, the existing water-cooling plate joint is designed with a rotary joint capable of rotating 360 degrees for improving the flexible use of the water-cooling plate joint, such as application number 201210202215.2, but the existing rotary joint is only sealed radially, if the number of rotation times is too large, the problems of sealing looseness and water leakage may occur, the disassembly is not convenient, and the disassembly may damage the cold plate and the flow channel inside the cold plate. And the application range is narrow, and the corresponding change can not be carried out according to the requirements of users.

Therefore, it is desirable to design a rotary joint to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotary joint can be applicable to the cold drawing of different grade type, and can rotate, is convenient for dismantle, and the leakproofness is better.

To achieve the purpose, the utility model adopts the following technical proposal:

rotary joint sets up on the cold drawing, and above-mentioned rotary joint includes:

a base fixedly arranged on the cold plate;

the joint is rotatably and detachably connected to the base, and the opening end of the joint is communicated with the cold plate;

a first sealing member which is sleeved on the periphery of the opening end of the joint and is clamped between the periphery of the opening end of the joint and the base, wherein the first sealing member can seal the space between the joint and the base in the radial direction; and

and a second seal member interposed between the joint and the base in an axial direction of the open end of the joint, the second seal member being capable of axially sealing between the joint and the base.

Optionally, the joint comprises:

the joint body is communicated with the cold plate;

a first limiting part arranged on the periphery of the opening end of the joint body; and

and a second limit part arranged on the periphery of the joint body and spaced from the first limit part, wherein the first sealing element is sleeved on the periphery of the joint body and arranged between the first limit part and the second limit part.

Optionally, the base is provided with a through hole, two ends of the through hole are respectively communicated with the cold plate and the joint body, and the first sealing element is clamped between the outer periphery of the joint body and the inner wall surface of the through hole.

Optionally, the base is provided with a first groove, and the second limiting portion is disposed in the first groove.

Optionally, the depth of the first groove is greater than the thickness of the second limiting portion.

Optionally, a second groove is formed at the bottom of the first groove, and the second sealing element is disposed in the second groove.

Optionally, an outer diameter of the second limiting portion is larger than an outer diameter of the first limiting portion, and the second sealing element is clamped between the second limiting portion and a groove bottom of the second groove.

Optionally, the rotary joint further includes a fixing cover, the fixing cover is detachably connected to the base, and the second limiting portion is clamped between the fixing cover and the base.

Optionally, the base is provided with at least two threaded holes, the fixing cover is correspondingly provided with at least two mounting holes, and the rotary joint further comprises at least two fasteners, and the fasteners penetrate through the mounting holes and are in threaded connection with the threaded holes.

Optionally, the base and the cold plate are connected by welding.

The utility model has the advantages that:

the utility model provides a rotary joint, can adjust the direction of joint according to the demand, can make the joint realize 360 rotations, adapt to the cold drawing of different grade type and customer's demand, and be equipped with first sealing member and second sealing member and can realize the radial seal and the axial seal between this rotary joint and the cold drawing, through sealing to its radial and axial, guaranteed its leakproofness, make the liquid in the cold drawing not reveal, and this joint is convenient to dismantle, only need to dismantle joint and base can, can not damage the cold drawing structure, be convenient for subsequent maintenance; and the sealing performance of the rotary joint cannot be damaged during disassembly, and the sealing performance of the rotary joint can be maintained by replacing the two sealing elements after disassembly.

Drawings

FIG. 1 is a schematic view of a rotary joint mounted on a cold plate according to an embodiment of the present invention;

FIG. 2 is a schematic view of a half-section of a rotary joint mounted on a cold plate according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a joint according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a base according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a fixing cover according to an embodiment of the present invention.

In the figure:

10. a base; 11. a through hole; 12. a first groove; 13. a second groove; 14. a threaded hole;

20. a joint; 21. a connector body; 211. a first opening; 212. a second opening; 22. a first limiting part; 23. a second limiting part;

30. a first seal member; 40. a second seal member; 50. a fixed cover; 51. mounting holes; 200. a cold plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures associated with the present invention are shown in the drawings, not all of them.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of operation, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

At present, two connectors are generally arranged on a cold plate, and the two connectors are respectively arranged at the inlet position and the outlet position of a flow passage of the cold plate, so that the cooling medium of the cold plate can enter and exit. However, due to the requirement of light weight of structures of electronic equipment and the like, the space of the cold plate is smaller and smaller, and different joints are caused by different user requirements, so that the processing of a plurality of joints is required, and the cost of the cold plate industry is increased. Therefore, how to meet the requirements of various users, adapt to various types of cold plates, ensure the sealing performance of the cold plates and facilitate disassembly, assembly and maintenance is a difficult problem to be solved in the field at present.

In order to solve the above technical problem, the present embodiment provides a rotary joint, which is disposed on the cold plate 200, and can communicate the cold plate 200 with the cold pipe, so as to facilitate the transportation of the cooling medium.

Specifically, as shown in fig. 1 and 2, the rotary joint includes a base 10, a joint 20, a first seal 30, and a second seal 40; the base 10 is fixedly arranged on the cold plate 200, the connector 20 is rotatably and detachably connected to the base 10, and the open end of the connector 20 can be communicated with the cold plate 200; communication between the connector 20 and the cold plate 200 may be achieved and the connector 20 may be capable of 360 rotation. Further, the first sealing element 30 is sleeved on the outer periphery of the opening end of the joint 20 and clamped between the outer periphery of the opening end of the joint 20 and the base 10, and the arrangement of the first sealing element 30 can realize radial sealing between the joint 20 and the base 10; the second sealing member 40 is interposed between the adapter 20 and the base 10 along the axial direction of the open end of the adapter 20, and the second sealing member 40 is arranged to achieve axial sealing between the adapter 20 and the base 10.

Through the structure, the direction of the joint 20 can be adjusted according to the requirement by the rotary joint of the embodiment, the joint 20 can rotate 360 degrees and is adaptive to different types of cold plates 200 and customer requirements, the first sealing element 30 and the second sealing element 40 are arranged to realize radial sealing and axial sealing between the rotary joint and the cold plate 200, and the radial sealing and the axial sealing are realized, so that the sealing performance is ensured, the liquid in the cold plate 200 cannot leak, the joint 20 is convenient to disassemble, only the joint 20 and the base 10 are required to be disassembled, the structure of the cold plate 200 cannot be damaged, and the subsequent maintenance is facilitated; and the sealing performance of the rotary joint cannot be damaged during disassembly, and the sealing performance of the rotary joint can be maintained by replacing the two sealing elements after disassembly.

Optionally, the base 10 and the cold plate 200 are connected by welding, so that the sealing performance between the base 10 and the cold plate 200 can be ensured, and the fixed connection between the base 10 and the cold plate 200 can also be realized. Alternatively, the first sealing element 30 and the second sealing element 40 may be sealing rings or gaskets, and the material of the sealing elements is a common sealing material, which is not limited in detail herein.

Referring to fig. 1 to 3, in the present embodiment, the joint 20 includes a joint body 21, a first limiting portion 22 and a second limiting portion 23, the joint body 21 is communicated with the cold plate 200, the first limiting portion 22 is disposed on an outer periphery of an opening end of the joint body 21, the second limiting portion 23 is disposed on an outer periphery of the joint body 21 and spaced apart from the first limiting portion 22, and the first sealing element 30 is sleeved on an outer periphery of the joint body 21 and disposed between the first limiting portion 22 and the second limiting portion 23. The structure can ensure that the first sealing element 30 is not easy to fall off, and further ensure the radial sealing performance of the rotary joint. Moreover, the joint body 21, the first limiting portion 22 and the second limiting portion 23 can be rotatably connected to the base 10, so that the joint 20 can be rotatably connected to the base 10, that is, the joint 20 can rotate 360 degrees.

Alternatively, the outer diameter of the first stopper portion 22 is smaller than the outer diameter of the first seal member 30, so that the first seal member 30 can be compressed to satisfy its seal compression amount, making it possible to achieve good sealability.

Optionally, the joint body 21 in this embodiment is an L-shaped tubular structure, a short side of the L-shape is provided with a first opening 211, a long side of the L-shape is provided with a second opening 212, the first opening 211 is communicated with the base 10 and further communicated with the cold plate 200, and the second opening 212 is communicated with the cold pipe, so that the rotary joint can communicate the cold plate 200 and the cold pipe.

Referring to fig. 2 and 4, in the present embodiment, the base 10 is provided with a through hole 11, two ends of the through hole 11 are respectively communicated with the cold plate 200 and the joint body 21, an inner diameter of the through hole 11 is larger than an outer diameter of the first limiting portion 22, and the first sealing element 30 is clamped between an outer periphery of the joint body 21 and an inner wall surface of the through hole 11, so that the joint 20 is installed in the base 10 and can achieve radial sealing. Specifically, the inner diameter of the through hole 11 is slightly larger than the outer diameter of the first limiting portion 22, so that the tolerance range of the outer diameter manufacture of the joint 20 is met, and the joint 20 can be installed in the base 10.

Further, the base 10 is provided with a first groove 12, and the second limiting portion 23 is disposed in the first groove 12, so that the contact area between the base 10 and the joint 20 can be increased, and the connection stability between the base 10 and the joint 20 can be improved. Preferably, the depth of the first groove 12 is greater than the thickness of the second limiting portion 23, so that the second limiting portion 23 can be completely installed in the first groove 12, and interference with other structures is avoided.

Still further, the second recess 13 has been seted up to the tank bottom of first recess 12, and second sealing member 40 sets up in second recess 13, guarantees the installation of second sealing member 40, avoids it to drop. Optionally, the outer diameter of the second limiting portion 23 is larger than the outer diameter of the first limiting portion 22, and the second sealing element 40 is interposed between the second limiting portion 23 and the groove bottom of the second groove 13, so that the second sealing element 40 can seal the axial direction of the rotary joint and does not interfere with the second sealing element 40. Preferably, the groove depth of the second groove 13 is smaller than the diameter of the second seal 40, so that the second seal 40 can be compressed to satisfy its good sealability.

Alternatively, one side wall of the second groove 13 is also an inner wall of the through hole 11, i.e., the first seal member 30 abuts between the side wall and the outer peripheral surface of the joint body 21, the first seal member 30 and the second seal member 40 may be separated, and a corresponding force may be applied to the compression of the first seal member 30.

Referring to fig. 1, 2, 4 and 5, in the embodiment, the rotary joint further includes a fixing cover 50, the fixing cover 50 is detachably connected to the base 10, the second limiting portion 23 can be clamped between the fixing cover 50 and the base 10, and the rotary joint can be fixed in the base 10 through the connection between the fixing cover 50 and the base 10, that is, after the rotary joint rotates to a preset angle, the fixing cover 50 can fix the rotary joint 20 and the base 10, so that the rotary joint can be stably disposed at the preset angle. Optionally, the base 10 is provided with at least two threaded holes 14, the fixing cover 50 is correspondingly provided with at least two mounting holes 51, the rotary joint further includes at least two fasteners, and the fasteners pass through the mounting holes 51 to be in threaded connection with the threaded holes 14, so that the fixing cover 50 and the base 10 can be mounted and fixed.

Specifically, in the present embodiment, two fixing covers 50 are provided, two fixing covers 50 are symmetrically disposed on two sides of the joint 20, and two ends of each fixing cover 50 are provided with a fastening member, so as to facilitate the installation and removal of the joint 20.

Optionally, the rotary joint is manufactured by means of numerical control machining (CNC machining), so that the machining time is short, and the precision is higher.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements, and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A rotary joint provided on the cold plate (200), characterized in that the rotary joint comprises:

a base (10) fixedly arranged on the cold plate (200);

the connector (20) is rotatably and detachably connected to the base (10), and the open end of the connector (20) is communicated with the cold plate (200);

the first sealing element (30) is sleeved on the periphery of the opening end of the joint (20) and clamped between the periphery of the opening end of the joint (20) and the base (10), and the first sealing element (30) can seal the space between the joint (20) and the base (10) in the radial direction; and

and a second sealing element (40) which is clamped between the joint (20) and the base (10) along the axial direction of the opening end of the joint (20), wherein the second sealing element (40) can axially seal the joint (20) and the base (10).

2. The rotary joint according to claim 1, characterized in that said joint (20) comprises:

a connector body (21), the connector body (21) communicating with the cold plate (200);

a first stopper (22) provided on the outer periphery of the open end of the joint body (21); and

the second limiting part (23) is arranged on the periphery of the joint body (21) and is arranged at an interval with the first limiting part (22), and the first sealing element (30) is sleeved on the periphery of the joint body (21) and is arranged between the first limiting part (22) and the second limiting part (23).

3. The rotary joint according to claim 2, wherein the base (10) is provided with a through hole (11), two ends of the through hole (11) are respectively communicated with the cold plate (200) and the joint body (21), and the first sealing member (30) is interposed between the outer periphery of the joint body (21) and the inner wall surface of the through hole (11).

4. The rotary joint according to claim 2, wherein the base (10) defines a first groove (12), and the second limiting portion (23) is disposed in the first groove (12).

5. A swivel joint according to claim 4, characterized in that the first groove (12) has a groove depth which is larger than the thickness of the second stop (23).

6. The rotary joint according to claim 4, wherein a second groove (13) opens at the bottom of the first groove (12), the second seal (40) being arranged in the second groove (13).

7. The rotary joint according to claim 6, wherein the second stopper portion (23) has an outer diameter larger than that of the first stopper portion (22), and the second seal member (40) is interposed between the second stopper portion (23) and the groove bottom of the second groove (13).

8. The rotary joint according to any one of claims 2 to 7, further comprising a fixing cover (50), wherein the fixing cover (50) is detachably connected to the base (10), and the second limiting portion (23) is interposed between the fixing cover (50) and the base (10).

9. The rotary joint according to claim 8, wherein the base (10) defines at least two threaded holes (14), the fixing cover (50) defines at least two corresponding mounting holes (51), and the rotary joint further comprises at least two fasteners passing through the mounting holes (51) to be threadedly coupled with the threaded holes (14).

10. Swivel joint according to any of claims 1-7, characterized in that the base (10) and the cold plate (200) are connected by welding.