A multi-channel rotary joint
By designing a multi-channel rotary joint, including a main body, multi-channel pipe sections, a pressure relief mechanism, and a drive mechanism, the problem of traditional rotary joints being unable to achieve multi-channel synchronous conveying is solved, realizing the diversion and transfer of media and sealing during the rotation process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHONGSHAN SANSHENG AUTO PARTS CO LTD
- Filing Date
- 2025-08-05
- Publication Date
- 2026-06-26
AI Technical Summary
Traditional single-channel rotary joints cannot meet the need for the same medium to be simultaneously delivered to different positions of the rotating component through multiple branch channels, while ensuring sealing and reliability during the rotation process.
A multi-channel rotary joint was designed, including a main body, a multi-channel pipe section, a pressure relief mechanism, a sealing section, and a drive mechanism. The internal pressure is regulated by the pressure relief mechanism, the sealing section is controlled by the drive mechanism to achieve directional delivery of the medium, and the joint is installed and fixed by the fixing section.
It enables the diversion and transfer of the medium during rotation, ensuring sealing and reliability, and meeting the needs of multi-channel transportation.
Smart Images

Figure CN224414641U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive rotary joint technology, and in particular to a multi-channel rotary joint. Background Technology
[0002] In automotive fluid transfer systems, rotary joints are key components for achieving continuous media transport between stationary pipes and rotating parts. For certain applications, it is necessary to simultaneously transport the same medium to different locations on the rotating part through multiple branch paths, while ensuring sealing and reliability during rotation. Traditional single-path rotary joints cannot meet these diversion and transfer requirements. Utility Model Content
[0003] The purpose of this utility model is to provide a multi-channel rotary joint that can solve at least one of the above-mentioned technical problems. The technical solution of this utility model is as follows:
[0004] A multi-channel rotary joint includes: a main body, with connectors connected to both the left and right sides of the main body, a plurality of through holes spaced apart through the middle of the main body, annular guide rails symmetrically arranged in the middle of the main body, a multi-channel pipe section movably arranged between each of the annular guide rails, a pressure relief mechanism provided on one side of the main body, a sealing part provided on the multi-channel pipe section, a drive mechanism provided on the multi-channel pipe section capable of driving the sealing part to operate, and fixing parts provided on the left and right sides of the multi-channel pipe section.
[0005] Furthermore, the multi-channel tube section includes a transfer cavity movably sleeved between each of the annular guide rails, and multiple conveying tubes are spaced and connected on the transfer cavity. A sealing ring is provided between each of the annular guide rails and the transfer cavity.
[0006] Furthermore, the pressure relief mechanism includes a baffle fixed to one side of the main pipe body, a through groove in the middle of the baffle, a stop rod fixed longitudinally to one side of the baffle body and fixed to the main pipe body, a plug-in post movably inserted into the middle of the stop rod, a sealing head and a stop block fixed on the left and right sides of the plug-in post respectively, the sealing head being inserted into the through groove, and a spring connecting the sealing head and the stop rod.
[0007] Furthermore, the sealing part includes symmetrically arranged sliding grooves on each conveying pipe, a sealing ring movably arranged in each conveying pipe, a conical groove fixed at the end of each sealing ring, a connecting plate horizontally fixed at one end of each conveying pipe, a sealing block that can seal in the conical groove on each connecting plate, and a slider that can movably arrange in the sliding groove on both sides of each sealing ring.
[0008] Furthermore, the driving mechanism includes threads provided on each conveying pipe, threaded sleeves provided on each conveying pipe through threaded engagement, a fixing ring movably sleeved at the end of each threaded sleeve, fixing grooves symmetrically provided on each fixing ring, and each slider being inserted and fixed in an adjacent fixing groove.
[0009] Preferably, the fixing part includes mounting rings symmetrically fixed in the middle of the main body, with multiple screw holes spaced apart on each mounting ring, and multiple plug-in ears spaced apart on both the left and right sides of the transfer cavity.
[0010] In summary, the advantages of this utility model over the prior art are:
[0011] This utility model provides a multi-channel rotary joint. In use, one of the joints on the main pipe is connected to the medium conveying end. At this time, the medium is conveyed to the multi-channel pipe section through various through holes in the main pipe, so that the multi-channel pipe section can divert and convey the medium. At the same time, when the medium pressure in the main pipe is too high, the internal pressure is relieved by a pressure relief mechanism. In daily operation, an external drive device can drive the drive mechanism to operate, so that the drive mechanism drives the closing part to operate. The closing part can close the corresponding conveying pipe on the multi-channel pipe section, thereby enabling the directional conveying of the medium. When installing the rotary joint, the user first rotates the multi-channel pipe section to the required angle, and then fixes it by the fixing part. Compared with the prior art, it can divert and transfer the medium. Attached Figure Description
[0012] Figure 1 This is a three-dimensional schematic diagram of the present invention.
[0013] Figure 2 This is a half-sectional schematic diagram of the present invention.
[0014] Figure 3 This is an exploded view of the present invention.
[0015] Explanation of reference numerals in the attached drawings: 1. Main body; 2. Connector; 3. Through hole; 4. Annular guide rail; 5. Passage pipe section; 6. Pressure relief mechanism; 7. Sealing section; 8. Drive mechanism; 9. Fixing section; 51. Transfer cavity; 52. Conveying pipe body; 53. Sealing ring; 61. Baffle; 62. Through groove; 63. Stop bar; 64. Insertion post; 65. Sealing head; 66. Stop block; 67. Spring; 71. Slide groove; 72. Sealing ring; 73. Conical groove; 74. Connecting plate; 75. Sealing block; 76. Slider; 81. Thread; 82. Threaded sleeve; 83. Fixing ring; 84. Fixing groove; 91. Mounting ring; 92. Screw hole; 93. Insertion lug. Detailed Implementation
[0016] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:
[0017] like Figures 1 to 3 A multi-channel rotary joint is shown, characterized in that it includes: a main body 1, with connectors 2 connected to both the left and right sides of the main body 1, a plurality of through holes 3 passing through the middle of the main body 1 at intervals, annular guide rails 4 symmetrically arranged in the middle of the main body 1, a multi-channel pipe section 5 movably arranged between each of the annular guide rails 4, a pressure relief mechanism 6 provided on one side inside the main body 1, a sealing part 7 provided on the multi-channel pipe section 5, a driving mechanism 8 provided on the multi-channel pipe section 5 capable of driving the sealing part 7 to operate, and fixing parts 9 provided on the left and right sides of the multi-channel pipe section 5.
[0018] In the above-described multi-channel rotary joint, during use, one of the connectors 2 on the main body 1 is connected to the medium conveying end. At this time, the medium in the main body 1 is conveyed to the multi-channel pipe section 5 through the various through holes 3, so that the multi-channel pipe section 5 can divert and convey the medium. At the same time, when the medium pressure in the main body 1 is too high, the internal pressure is relieved by the pressure relief mechanism 6. In daily operation, the drive mechanism 8 can be driven by an external drive device to operate, so that the drive mechanism 8 drives the closing part 7 to operate. The closing part 7 can close the corresponding conveying pipe 52 on the multi-channel pipe section 5, thereby enabling the directional conveying of the medium. When installing the rotary joint, the user first rotates the multi-channel pipe section 5 to the required angle, and then fixes it by the fixing part 9. Compared with the prior art, it can divert and transfer the medium.
[0019] like Figure 2 and 3 As shown, in some embodiments of this utility model, the multi-channel tube section 5 includes a transfer cavity 51 movably sleeved between each of the annular guide rails 4. Multiple conveying tubes 52 are spaced and connected on the transfer cavity 51. A sealing ring 53 is provided between each of the annular guide rails 4 and the transfer cavity 51. When the user rotates the transfer cavity 51, it rotates between the annular guide rails 4. Simultaneously, each conveying tube 52 on it rotates accordingly. In daily use, the sealing rings 53 can be used for sealing. After rotating to a suitable angle, it is fixed by the fixing part 9. The medium in the main tube 1 is conveyed to the transfer cavity 51 through the through hole 3, and the transfer cavity 51 then conveys the medium into each conveying tube 52.
[0020] like Figure 2 and 3As shown, in some embodiments of this utility model, the pressure relief mechanism 6 includes a baffle 61 fixed inside one side of the main pipe body 1. A through groove 62 is provided in the middle of the baffle 61. A stop bar 63 is longitudinally fixed inside the main pipe body 1 on one side of the baffle 61. A plug-in post 64 is movably inserted into the middle of the stop bar 63. A sealing head 65 and a stop block 66 are fixed on the left and right sides of the plug-in post 64, respectively. The sealing head 65 is inserted into the through groove 62. A spring 67 is connected between the sealing head 65 and the stop bar 63. When the pressure of the medium inside the main pipe body 1 is too high, the medium pushes the sealing head 65, causing the sealing head 65 to separate in the through groove 62. At this time, the medium is transported to the other side of the main pipe body 1 through the through groove 62. After the pressure of the medium is balanced, the sealing head 65 is closed in the through groove 62 by the spring 67.
[0021] like Figure 2 and 3 As shown, in some embodiments of this utility model, the sealing part 7 includes a sliding groove 71 symmetrically arranged through each conveying pipe 52, a sealing ring 72 movably arranged in each conveying pipe 52, a conical groove 73 fixed at the end of each sealing ring 72, a connecting plate 74 laterally fixed at one end of each conveying pipe 52, a sealing block 75 that can seal the conical groove 73 on each connecting plate 74, and a slider 76 that can movably arrange in the sliding groove 71 fixed on both sides of each sealing ring 72. The slider 76 is driven by the driving mechanism 8 to move along the sliding groove 71, so that the slider 76 drives the sealing ring 72 to move, so that the sealing ring 72 moves toward the connecting plate 74 until the conical groove 73 on the sealing ring 72 is closed in the sealing block 75.
[0022] like Figure 3 As shown, in some embodiments of this utility model, the driving mechanism 8 includes threads 81 provided on each conveying pipe body 52, threaded sleeves 82 provided on each conveying pipe body 52 through threaded engagement with the threads 81, fixing rings 83 movably sleeved at the ends of each threaded sleeve 82, fixing grooves 84 symmetrically provided on each fixing ring 83, and each slider 76 inserted and fixed in the adjacent fixing groove 84. Through an external driving device, the threaded sleeves 82 are driven to rotate, so that the threaded sleeves 82 drive the fixing rings 83 to move through the threads 81. Since the fixing rings 83 are movably sleeved on the threaded sleeves 82, the rotation of the threaded sleeves 82 will not interfere with the rotation of the fixing rings 83. When the fixing rings 83 move, they drive the sliders 76 to move through the fixing grooves 84 on them.
[0023] like Figure 3As shown, in some embodiments of this utility model, the fixing part 9 includes mounting rings 91 symmetrically fixed in the middle of the main body 1. Multiple screw holes 92 are provided at intervals on each mounting ring 91. Multiple plug ears 93 are fixed at intervals on both the left and right sides of the transfer cavity 51. After the transfer cavity 51 is rotated to a suitable position, the user inserts screws into the plug ears 93 and then tightens the threads to fix them in the screw holes 92.
[0024] The foregoing has shown and described the basic principles and main features of this utility model, as well as its advantages. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A multi-pass rotary union, characterized by, include: The main body (1) has connectors (2) connected to both the left and right sides. Multiple through holes (3) are spaced through the middle of the main body (1). Circular guide rails (4) are symmetrically arranged in the middle of the main body (1). Multiple passage pipes (5) are movably arranged between each of the circular guide rails (4). A pressure relief mechanism (6) is provided on one side inside the main body (1). A sealing part (7) is provided on the multiple passage pipe (5). A drive mechanism (8) that can drive the sealing part (7) is provided on the multiple passage pipe (5). Fixing parts (9) are provided on the left and right sides of the multiple passage pipe (5).
2. A multi-channel rotary union according to claim 1, wherein The multi-channel pipe section (5) includes a transfer cavity (51) movably sleeved between each of the annular guide rails (4), and multiple conveying pipes (52) are spaced and connected on the transfer cavity (51). A sealing ring (53) is provided between each of the annular guide rails (4) and the transfer cavity (51).
3. A multi-channel rotary union according to claim 1, wherein The pressure relief mechanism (6) includes a baffle (61) fixed inside one side of the main body (1), a through groove (62) is provided in the middle of the baffle (61), a stop bar (63) is fixed longitudinally on one side of the baffle (61) and fixed inside the main body (1), a plug post (64) is movably inserted into the middle of the stop bar (63), a sealing head (65) and a stop block (66) are fixed on the left and right sides of the plug post (64) respectively, the sealing head (65) is inserted into the through groove (62), and a spring (67) is connected between the sealing head (65) and the stop bar (63).
4. A multi-channel rotary joint according to claim 2, characterized in that... The sealing part (7) includes symmetrically arranged grooves (71) through each conveying pipe (52), a sealing ring (72) is movably arranged in each conveying pipe (52), a conical groove (73) is fixed at the end of each sealing ring (72), a connecting plate (74) is horizontally fixed at one end of each conveying pipe (52), a sealing block (75) that can seal in the conical groove (73) is provided on each connecting plate (74), and a slider (76) that can movably arrange in the groove (71) is fixed on both sides of each sealing ring (72).
5. A multi-channel rotary joint according to claim 4, characterized in that... The drive mechanism (8) includes threads (81) on each conveying pipe (52), threaded sleeves (82) are provided on each conveying pipe (52) through threaded engagement with the threads (81), a fixing ring (83) is movably sleeved at the end of each threaded sleeve (82), a fixing groove (84) is symmetrically provided on each fixing ring (83), and each slider (76) is inserted and fixed in the adjacent fixing groove (84).
6. A multi-channel rotary joint according to claim 2, characterized in that... The fixing part (9) includes mounting rings (91) symmetrically fixed in the middle of the main body (1), and a plurality of screw holes (92) are provided at intervals on each mounting ring (91). A plurality of plug ears (93) are fixed at intervals on both the left and right sides of the transfer cavity (51).