CN219796480U - Binary channels rotary joint - Google Patents
Binary channels rotary joint Download PDFInfo
- Publication number
- CN219796480U CN219796480U CN202320580319.0U CN202320580319U CN219796480U CN 219796480 U CN219796480 U CN 219796480U CN 202320580319 U CN202320580319 U CN 202320580319U CN 219796480 U CN219796480 U CN 219796480U
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- China
- Prior art keywords
- ring
- stepped hole
- rotating shaft
- liquid outlet
- wall
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 47
- 239000007788 liquid Substances 0.000 claims abstract description 45
- 210000001503 joint Anatomy 0.000 claims abstract description 11
- 230000009977 dual effect Effects 0.000 claims 1
- 230000010354 integration Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model relates to the technical field of rotary joints and discloses a double-channel rotary joint, which comprises a shell, wherein the upper end of the shell is provided with a liquid inlet channel, two sides of the lower end of the shell extend outwards to form a joint part, a liquid outlet channel is arranged in a connecting part, and a hollow rotating shaft is arranged in the liquid outlet channel; the liquid outlet channel is internally provided with a first stepped hole, a first stepped surface is formed between the first stepped hole and the inner wall of the liquid outlet channel, a convex ring is arranged at the position, corresponding to the first stepped hole, of the outer side of the rotating shaft, a first sealing ring is arranged at the inner end of the convex ring, a pressure spring is arranged between the inner end of the first sealing ring and the first stepped surface, a first bearing is arranged at the outer side of the convex ring, a supporting ring is arranged between the rotating shaft and the first stepped hole, a second bearing sleeved outside the rotating shaft is arranged in the supporting ring, a connecting sleeve is arranged at the outer side of the connecting portion, and the connecting sleeve is in threaded connection with the outer side of the connecting portion. The utility model has the beneficial effects of capability of simultaneously carrying out rotary butt joint with two devices, high integration level and good sealing performance.
Description
Technical Field
The utility model relates to the technical field of rotary joints, in particular to a double-channel rotary joint.
Background
A rotary joint is a connecting seal that delivers fluid medium from a stationary pipe to a rotating or reciprocating device to provide heating or cooling medium to a rotating mechanism. The conventional rotary joint is usually single-channel, namely, only one hollow rotating shaft is provided, only one rotary liquid supply device can be connected, and the integration level is low; many plants are internally provided with a plurality of devices of the same type, the space between the devices is limited, each device is required to be provided with a rotary joint and a medium pipeline independently, and the pipeline is inconvenient to lay due to the limited space.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and provides the double-channel rotary joint which can be in rotary butt joint with two devices simultaneously, and has high integration level and good sealing performance.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the double-channel rotary joint comprises a shell, wherein the upper end of the shell is provided with vertically-distributed liquid inlet channels, two sides of the lower end of the shell are outwards extended to form a joint part, a liquid outlet channel is arranged in the joint part, the two liquid outlet channels are coaxially distributed, the inner ends of the two liquid outlet channels are vertically communicated with the liquid inlet channels, and a hollow rotating shaft is arranged in the liquid outlet channel;
the novel water heater is characterized in that a first stepped hole is formed in the liquid outlet channel, a first stepped surface is formed between the first stepped hole and the inner wall of the liquid outlet channel, a convex ring is arranged at the position, corresponding to the first stepped hole, of the outer side of the rotating shaft, a first sealing ring is arranged at the inner end of the convex ring, a pressure spring is arranged between the inner end of the first sealing ring and the first stepped surface, a first bearing is arranged at the outer side of the convex ring, a supporting ring is arranged between the rotating shaft and the first stepped hole, the inner end of the supporting ring is in butt joint with the first bearing, a second bearing sleeved outside the rotating shaft is arranged in the supporting ring, a connecting sleeve used for preventing the supporting ring from being separated is arranged at the outer side of the connecting portion, and the connecting sleeve is in threaded connection with the outer side of the connecting portion.
The two rotating shafts can be simultaneously in rotary butt joint with two devices to supply media for the two devices; the axial of pivot sets up the pressure spring, and the one end of pressure spring presses on first sealing washer for first sealing washer keeps sealed good elasticity to compress tightly sealedly, and the pressure spring can also play certain shock attenuation effect in the axial simultaneously.
Preferably, the inner end surface of the convex ring is an arc surface, the outer side surface of the first sealing ring is matched with the arc surface, a retainer ring is arranged at the inner end of the first sealing ring, and the outer end of the pressure spring is abutted against the retainer ring. The outer side surface of the first sealing ring is sealed with the cambered surface of the convex ring, so that the sealing surface is larger and the sealing effect is better; the check ring can prevent that the tip of pressure spring from directly pressing on first sealing washer, and the check ring presses on first sealing washer, and unilateral atress of first sealing washer is more even.
Preferably, the first bearing is a thrust bearing, and the second bearing is a deep groove ball bearing; the inner wall of the support ring is in clearance fit with the outer wall of the rotating shaft, the outer surface of the support ring is in clearance fit with the first stepped hole, an inner sealing ring is arranged between the inner wall of the support ring and the outer wall of the rotating shaft, and an outer sealing ring is arranged between the outer wall of the support ring and the inner wall of the first stepped hole. The thrust bearing has good axial tensile property, so that the rotating shaft has larger axial tensile property.
Preferably, the outer end of the supporting ring extends outwards to form a limiting check ring, the inner end of the limiting check ring is abutted with the end face of the connecting head, and the outer end of the limiting check ring is abutted with the inner end of the connecting sleeve.
Preferably, a second stepped hole is formed in the first stepped surface, and a second stepped surface is formed between the second stepped hole and the inner wall of the liquid outlet channel; a second sealing ring is arranged between the inner end of the rotating shaft and the second step surface. The second sealing ring plays a good end face seal, further enhances the sealing performance and prevents leakage between the rotating shaft and the liquid outlet channel.
Preferably, a third stepped hole is formed in the liquid inlet channel, a third stepped surface is formed between the third stepped hole and the inner wall of the liquid inlet channel, a filter screen component is arranged on the third stepped surface, and the filter screen component is fixed with the third stepped surface through bolts. The filter screen component is arranged in the liquid inlet channel and is used for filtering out particles in the medium, so that the particles are prevented from entering the position between the rotating shaft and the liquid outlet channel to influence sealing.
Therefore, the utility model has the beneficial effects of capability of simultaneously carrying out rotary butt joint with two devices, high integration level and good sealing performance.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a cross-sectional view of fig. 1.
Fig. 3 is a schematic view of a partial structure of fig. 2.
Fig. 4 is a schematic structural view of the housing.
In the figure: the device comprises a shell 1, a liquid inlet channel 100, a joint part 101, a liquid outlet channel 102, a first stepped hole 103, a first stepped surface 104, a second stepped hole 105, a second stepped surface 106, a third stepped hole 107, a third stepped surface 108, a flange 109, a rotating shaft 2, a convex ring 200, a first sealing ring 3, a pressure spring 4, a retainer ring 5, a first bearing 6, a supporting ring 7, a limiting retainer ring 700, an inner sealing ring 70, an outer sealing ring 71, a second bearing 8, a connecting sleeve 9, a second sealing ring 10 and a filter screen assembly 11.
Detailed Description
In order to make the technical problems, technical solutions and advantageous technical effects to be solved by the present utility model more apparent, the present utility model will be further described in detail with reference to the accompanying drawings and a plurality of exemplary embodiments. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the utility model.
It should be appreciated that the expressions "first", "second", etc. are used herein for descriptive purposes only and are not to be construed as indicating or implying relative importance or as implying any particular order of number of technical features indicated. Features defining "first", "second" or "first" may be expressed or implied as including at least one such feature.
The two-channel rotary joint as shown in fig. 1-4 comprises a shell 1, wherein a liquid inlet channel 100 which is vertically distributed is arranged at the upper end of the shell 1, a flange 109 is arranged at the outer end of the liquid inlet channel, two sides of the lower end of the shell 1 extend outwards to form a joint part 101, a liquid outlet channel 102 is arranged in the joint part, the two liquid outlet channels 102 are coaxially distributed and are vertically communicated with the liquid inlet channel at the inner ends, and a hollow rotating shaft 2 is arranged in the liquid inlet channel.
A first stepped hole 103 is formed in the liquid outlet channel 102, a first stepped surface 104 is formed between the first stepped hole and the inner wall of the liquid outlet channel, a convex ring 200 is arranged at the position, corresponding to the first stepped hole, of the outer side of the rotating shaft 2, a first sealing ring 3 is arranged at the inner end of the convex ring, and a pressure spring 4 is arranged between the inner end of the first sealing ring and the first stepped surface; the inner end face of the convex ring 200 is an arc face, the outer side face of the first sealing ring 3 is matched with the arc face, a retainer ring 5 is arranged at the inner end of the first sealing ring, and the outer end of the pressure spring is abutted against the retainer ring.
The outside of bulge loop 200 is equipped with first bearing 6, is equipped with supporting ring 7 between pivot and the first shoulder hole, and the inner and the first bearing butt of supporting ring are equipped with the cover in the supporting ring 7 and establish the outer second bearing 8 of pivot, and the outside of connecting portion is equipped with the adapter sleeve 9 that is used for preventing that the supporting ring from deviating from, and adapter sleeve 9 and the outside threaded connection of connecting portion. The first bearing 6 is a thrust bearing, and the second bearing 8 is a deep groove ball bearing; the inner wall of the support ring 7 is in clearance fit with the outer wall of the rotating shaft 2, the outer surface of the support ring is in clearance fit with the first stepped hole 103, an inner sealing ring 70 is arranged between the inner wall of the support ring 7 and the outer wall of the rotating shaft, an outer sealing ring 71 is arranged between the outer wall of the support ring and the inner wall of the first stepped hole, the outer end of the support ring 7 outwards extends to form a limiting check ring 700, the inner end of the limiting check ring is in butt joint with the end face of the joint part, and the outer end of the limiting check ring is in butt joint with the inner end of the connecting sleeve.
The first step surface 104 is provided with a second step hole 105, and a second step surface 106 is formed between the second step hole and the inner wall of the liquid outlet channel; a second sealing ring 10 is arranged between the inner end of the rotating shaft and the second step surface.
A third stepped hole 107 is arranged in the liquid inlet channel 100, a third stepped surface 108 is formed between the third stepped hole and the inner wall of the liquid inlet channel, a filter screen assembly 11 is arranged on the third stepped surface, and the filter screen assembly and the third stepped surface are fixed through bolts.
The principle of the utility model is as follows, in combination with the accompanying drawings: the two rotating shafts 2 can be simultaneously in rotary butt joint with two devices to supply media for the two devices; the axial direction of the rotating shaft is provided with a pressure spring, one end of the pressure spring is pressed on the first sealing ring, so that the first sealing ring keeps good sealing and elastically compresses and seals, meanwhile, the pressure spring can also play a certain role in shock absorption in the axial direction, and the first bearing is provided with a thrust bearing, so that the rotating shaft has larger compression resistance in the axial direction; the multistage sealing ring is adopted for sealing, so that the overall sealing performance is greatly improved.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the upper, lower, left, right, inner, outer, one end, the other end, etc. are based on the orientations or positional relationships shown in the drawings, and are merely for the purpose of more clearly describing the technical solution of the present utility model, and are not meant to indicate or imply that the device or element to be referred to must be provided with a specific direction, be configured and operated in a specific orientation, and should not be construed as limiting the present utility model.
Although specific embodiments of the utility model have been described in detail herein, they are presented for purposes of illustration only and are not to be construed as limiting the scope of the utility model. Various substitutions, alterations, and modifications can be made without departing from the spirit and scope of the utility model.
Claims (6)
1. The double-channel rotary joint comprises a shell, and is characterized in that the upper end of the shell is provided with vertically distributed liquid inlet channels, two sides of the lower end of the shell extend outwards to form a joint part, a liquid outlet channel is arranged in the joint part, the two liquid outlet channels are coaxially distributed, the inner ends of the two liquid outlet channels are vertically communicated with the liquid inlet channels, and a hollow rotating shaft is arranged in the liquid outlet channel;
the novel liquid outlet device is characterized in that a first stepped hole is formed in the liquid outlet channel, a first stepped surface is formed between the first stepped hole and the inner wall of the liquid outlet channel, a convex ring is arranged at the position, corresponding to the first stepped hole, of the outer side of the rotating shaft, a first sealing ring is arranged at the inner end of the convex ring, a pressure spring is arranged between the inner end of the first sealing ring and the first stepped surface, a first bearing is arranged at the outer side of the convex ring, a supporting ring is arranged between the rotating shaft and the first stepped hole, the inner end of the supporting ring is in butt joint with the first bearing, a second bearing sleeved outside the rotating shaft is arranged in the supporting ring, a connecting sleeve used for preventing the supporting ring from being separated is arranged at the outer side of the connecting portion, and the connecting sleeve is in threaded connection with the outer side of the connecting portion.
2. The dual-channel rotary joint according to claim 1, wherein the inner end surface of the convex ring is an arc surface, the outer side surface of the first sealing ring is matched with the arc surface, a retainer ring is arranged at the inner end of the first sealing ring, and the outer end of the pressure spring is abutted against the retainer ring.
3. The dual channel rotary joint of claim 1, wherein the first bearing is a thrust bearing and the second bearing is a deep groove ball bearing; the inner wall of the support ring is in clearance fit with the outer wall of the rotating shaft, the outer surface of the support ring is in clearance fit with the first stepped hole, an inner sealing ring is arranged between the inner wall of the support ring and the outer wall of the rotating shaft, and an outer sealing ring is arranged between the outer wall of the support ring and the inner wall of the first stepped hole.
4. A two-channel rotary joint according to claim 1 or 3, wherein the outer end of the supporting ring extends outwards to form a limit retainer ring, the inner end of the limit retainer ring is abutted with the end face of the joint part, and the outer end of the limit retainer ring is abutted with the inner end of the connecting sleeve.
5. The dual-channel rotary joint as claimed in claim 1, wherein the first stepped surface is provided with a second stepped hole, and a second stepped surface is formed between the second stepped hole and the inner wall of the liquid outlet channel; a second sealing ring is arranged between the inner end of the rotating shaft and the second step surface.
6. The dual-channel rotary joint according to claim 1, wherein a third stepped hole is formed in the liquid inlet channel, a third stepped surface is formed between the third stepped hole and the inner wall of the liquid inlet channel, a filter screen component is arranged on the third stepped surface, and the filter screen component is fixed with the third stepped surface through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320580319.0U CN219796480U (en) | 2023-03-22 | 2023-03-22 | Binary channels rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320580319.0U CN219796480U (en) | 2023-03-22 | 2023-03-22 | Binary channels rotary joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219796480U true CN219796480U (en) | 2023-10-03 |
Family
ID=88152082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320580319.0U Active CN219796480U (en) | 2023-03-22 | 2023-03-22 | Binary channels rotary joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219796480U (en) |
-
2023
- 2023-03-22 CN CN202320580319.0U patent/CN219796480U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |