Multi-channel rotary stepped distributor
By designing a multi-channel rotary stepped distributor and adopting a stepped structure to reduce the extrusion path of the sealing ring, the sealing ring damage and installation problems of the existing rotary joint in multi-media transportation are solved, and higher sealing performance and simplified installation are achieved.
Patent Information
- Application Number
- CN202422397968.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-30
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-09-30
AI Technical Summary
Existing rotary joints cannot meet the needs of conveying various media during rotational motion. The sealing ring is difficult to install and easily damaged, and the installation quality is difficult to guarantee.
A multi-channel rotary stepped distributor is used, which is designed as a stepped structure to reduce the extrusion path of the sealing ring. The cooperation between the stepped surface and the sealing ring groove simplifies the installation operation.
It reduces the risk of seal damage, improves sealing performance, simplifies the installation process, and makes the system more compact and flexible.
Smart Images

Figure CN223360210U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a multi-channel rotary stepped distributor. Background Art
[0002] Currently, many industrial markets need to transport a variety of different media during rotational motion, such as oil, cooling water, gas, etc., which cannot be met by single-channel joints, and existing rotary joints are mostly cylindrical.
[0003] In the prior art, the rotary joint has the same diameter from top to bottom, and the sealing ring needs to go through a long extrusion stroke when installing. The longer the extrusion stroke, the greater the extrusion force on the sealing ring, the greater the risk of deformation and damage, making it difficult to install and the installation quality difficult to guarantee. Utility Model Content
[0004] The main technical problem solved by the utility model is to provide a multi-channel rotary stepped distributor, which adopts a stepped form to reduce the extrusion path, reduce the risk of sealing ring damage, and improve the sealing performance; simplify the installation operation; make the system more compact and neat, and highly flexible.
[0005] In order to solve the above technical problems, a technical solution adopted by the present invention is: to provide a multi-channel rotary stepped distributor, including a first connecting member, an inner rotating member, an output joint, a plug, a first bearing, an outer fixing member, a second bearing, a stopper, a second connecting member and an input joint, the first connecting member is fixed to the inner rotating member by a screw, the lower part of the connecting side of the inner rotating member and the first connecting member is concavely provided with a first sealing ring groove and is covered with a first sealing ring, the inner rotating member is correspondingly inserted into the outer fixing member and rotates with the inner end side of the outer fixing member through the first bearing support, the inner rotating member is provided with multiple output joints connected to the internal output channel, The output end of the output channel of the inner rotating member is provided with a plug, and the other end of the outer fixing member is fixed with a second connecting member by a screw, and the outer fixing member and the second connecting member are connected to each other to form a plurality of input channels, and the second connecting member is provided with an input connector connected to the input channel. The end of the inner rotating member is fixed with a second bearing and a second connecting member for rotation support by a stopper, and the connection side of the inner rotating member and the outer fixing member is provided with a plurality of connecting channels at intervals and respectively connected to the input channel and the output channel, and sealing ring grooves are respectively provided on both sides of the connecting channel and a sealing ring is covered, and the connection side of the inner rotating member and the outer fixing member is arranged in a stepped structure.
[0006] In a preferred embodiment of the present invention, the stepped structure includes a first stepped surface, a second stepped surface and a third stepped surface arranged in sequence, and the first stepped surface is located on one side of the first connecting member.
[0007] In a preferred embodiment of the present invention, the outer diameters of the inner rotating member on the first step surface, the second step surface and the third step surface decrease in sequence, and the inner diameters of the outer fixing member on the first step surface, the second step surface and the third step surface decrease in sequence.
[0008] In a preferred embodiment of the present invention, the connecting channel includes a first connecting channel, a second connecting channel and a third connecting channel, the sealing ring groove includes a second sealing ring groove, a third sealing ring groove and a fourth sealing ring groove, and the sealing ring includes a second sealing ring, a third sealing ring and a fourth sealing ring.
[0009] In a preferred embodiment of the present invention, the inner rotating part is respectively provided with 4 groups of first connecting channels, 4 groups of second sealing ring grooves and 4 groups of second sealing rings on the first step surface, 3 groups of second connecting channels, 3 groups of third sealing ring grooves and 3 groups of third sealing rings on the second step surface, and 2 groups of third connecting channels, 3 groups of fourth sealing ring grooves and 3 groups of fourth sealing rings on the third step surface.
[0010] The beneficial effects of the present invention are as follows: the multi-channel rotary stepped distributor pointed out by the present invention adopts a stepped form to reduce the extrusion path, reduce the risk of damage to the sealing ring, and improve the sealing performance; simplify the installation operation; make the system more compact and neat, and highly flexible. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. Among them:
[0012] Figure 1 This is a structural diagram of a preferred embodiment of a multi-channel rotary stepped distributor of the utility model;
[0013] Figure 2 yes Figure 1 Schematic diagram of the AA surface. DETAILED DESCRIPTION
[0014] The following is a clear and complete description of the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0015] See also Figure 1-Figure 2, the embodiments of the present utility model include:
[0016] A multi-channel rotary stepped distributor comprises a first connecting member 1, an inner rotating member 2, an output joint 3, a plug 4, a first bearing 5, an outer fixing member 6, a second bearing 7, a stopper 8, a second connecting member 9 and an input joint 10.
[0017] The first connecting member 1 is fixed to the inner rotating member 2 by screws. The first connecting member 1 is a powered rotating member, which drives the inner rotating member 2 to rotate synchronously.
[0018] A first sealing ring groove 11 is provided inwardly at the lower portion of the connection side between the inner rotating member 2 and the first connecting member 1 and is covered with a first sealing ring 12 to ensure the connection is sealed.
[0019] The inner rotating member 2 is inserted into the outer fixing member 6 and supported for rotation with the inner end side of the outer fixing member 6 through the first bearing 5. The other end of the outer fixing member 6 is fixed with a second connecting member 9 by a screw. The second connecting member 9 is a fixing member. The end of the inner rotating member 2 is fixed with a second bearing 7 and a second connecting member 9 for rotation support by a stopper 8 to facilitate power transmission.
[0020] The inner rotating member 2 is provided with multiple output connectors 3 connected to the internal output channel 13, and the output end of the output channel 13 of the inner rotating member 2 is provided with a plug 4. The outer fixing member 6 and the second connecting member 9 are connected to multiple input channels 14, and the second connecting member 9 is provided with an input connector 10 connected to the input channel 14. The connection side of the inner rotating member 2 and the outer fixing member 6 is provided with multiple connecting channels spaced apart and respectively connected to the input channel 14 and the output channel 13. The output connectors 3, output channels 13, connecting channels, input channels 14 and input connectors 10 are provided in 9 groups for multi-channel fluid transportation.
[0021] Both sides of the connecting channel are respectively provided with sealing ring grooves and covered with sealing rings. There are 10 groups of sealing ring grooves and sealing rings for sealing both sides of the connecting channel.
[0022] Specifically, the connection sides of the inner rotating member 2 and the outer fixing member 6 are arranged in a stepped structure.
[0023] The stepped structure includes a first stepped surface 15 , a second stepped surface 16 and a third stepped surface 17 that are sequentially arranged. The first stepped surface 15 is located on one side of the first connecting member 1 .
[0024] The outer diameters of the inner rotating part 2 on the first step surface 15, the second step surface 16 and the third step surface 17 gradually decrease, and the inner diameters of the outer fixing part 6 on the first step surface 15, the second step surface 16 and the third step surface 17 gradually decrease, so as to facilitate the installation of the inner rotating part 2 in the outer fixing part 6 and reduce the extrusion stroke.
[0025] The connecting channel includes a first connecting channel 18, a second connecting channel 19 and a third connecting channel 20, the sealing ring groove includes a second sealing ring groove 21, a third sealing ring groove 22 and a fourth sealing ring groove 23, and the sealing ring includes a second sealing ring 24, a third sealing ring 25 and a fourth sealing ring 26.
[0026] The inner rotating part 2 is respectively provided with 4 groups of first connecting channels 18, 4 groups of second sealing ring grooves 21 and 4 groups of second sealing rings 24 on the first step surface 15, and 3 groups of second connecting channels 19, 3 groups of third sealing ring grooves 22 and 3 groups of third sealing rings 25 on the second step surface 16, and 2 groups of third connecting channels 20, 3 groups of fourth sealing ring grooves 23 and 3 groups of fourth sealing rings 26 on the third step surface 17. This structural design can reduce the longest extrusion stroke by 74%, effectively reduce the damage rate of the sealing ring during installation, reduce the installation difficulty, and improve the sealing effect.
[0027] In addition, the individual channels allow fluids to flow in any direction and in any combination. The number of channels can be increased as needed and can also be combined. The length and diameter of the overall device will increase to accommodate the additional connecting channels.
[0028] Installation steps: Check the installation environment, clean all parts, put the sealing ring into the sealing ring groove on the inner rotating part in sequence, put the outer fixing part vertically and flat, install the first bearing, install the inner rotating part with the sealing ring into the outer fixing part, screw the first connecting part and the inner rotating part together, then install the second bearing and fix it in place with the stopper, align the second connecting part with the outer fixing part at the pipe mouth position and screw it together, and install the pipes of the output connector and the input connector.
[0029] In summary, the multi-channel rotary stepped distributor pointed out in the present invention adopts a stepped form to reduce the extrusion path, reduce the risk of damage to the sealing ring, and improve the sealing performance; simplify the installation operation; make the system more compact and neat, and highly flexible.
[0030] The above are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A multi-channel rotary stepped distributor, comprising a first connecting member, an inner rotating member, an output connector, a plug, a first bearing, an outer fixing member, a second bearing, a stopper, a second connecting member and an input connector, wherein the first connecting member is fixed to the inner rotating member by a screw, a first sealing ring groove is provided in the lower portion of the connection side between the inner rotating member and the first connecting member and is covered with a first sealing ring, the inner rotating member is correspondingly inserted into the outer fixing member and rotates with the inner end side of the outer fixing member supported by the first bearing, the inner rotating member is provided with a plurality of output connectors connected to the internal output channel, the inner rotating member The output end of the output channel of the component is provided with a plug, and the other end of the external fixing component is fixed with a second connecting component by a screw, and the external fixing component and the second connecting component are connected to each other to form a plurality of input channels, and the second connecting component is provided with an input connector connected to the input channel. The end of the inner rotating component is fixed with a second bearing and a second connecting component for rotation support by a buckle, and the connection side of the inner rotating component and the external fixing component is provided with a plurality of connecting channels at intervals and respectively connected to the input channel and the output channel, and sealing ring grooves are provided on both sides of the connecting channel and a sealing ring is provided. It is characterized in that The connection sides of the inner rotating member and the outer fixing member are arranged in a stepped structure.
2. The multi-channel rotary stepped distributor according to claim 1, characterized in that: The step structure includes a first step surface, a second step surface and a third step surface which are sequentially arranged, and the first step surface is located on one side of the first connecting member.
3. The multi-channel rotary stepped distributor according to claim 2, characterized in that: The outer diameters of the inner rotating member decrease in sequence on the first step surface, the second step surface and the third step surface, and the inner diameters of the outer fixing member decrease in sequence on the first step surface, the second step surface and the third step surface.
4. The multi-channel rotary stepped distributor according to claim 3, characterized in that: The connecting channel includes a first connecting channel, a second connecting channel and a third connecting channel, the sealing ring groove includes a second sealing ring groove, a third sealing ring groove and a fourth sealing ring groove, and the sealing ring includes a second sealing ring, a third sealing ring and a fourth sealing ring.
5. The multi-channel rotary stepped distributor according to claim 4, characterized in that: The inner rotating part is respectively provided with 4 groups of first connecting channels, 4 groups of second sealing ring grooves and 4 groups of second sealing rings on the first step surface, 3 groups of second connecting channels, 3 groups of third sealing ring grooves and 3 groups of third sealing rings on the second step surface, and 2 groups of third connecting channels, 3 groups of fourth sealing ring grooves and 3 groups of fourth sealing rings on the third step surface.