CN219912143U - Rotary water supply mechanism - Google Patents

Rotary water supply mechanism Download PDF

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Publication number
CN219912143U
CN219912143U CN202321560974.6U CN202321560974U CN219912143U CN 219912143 U CN219912143 U CN 219912143U CN 202321560974 U CN202321560974 U CN 202321560974U CN 219912143 U CN219912143 U CN 219912143U
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CN
China
Prior art keywords
fixed sleeve
wall
water supply
support bearing
rotary
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Active
Application number
CN202321560974.6U
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Chinese (zh)
Inventor
王跃辉
李冬
徐俊
邬飞军
蒋天辉
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Shanghai Shengqi Cleaning Machinery Co ltd
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Shanghai Shengqi Cleaning Machinery Co ltd
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Priority to CN202321560974.6U priority Critical patent/CN219912143U/en
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Publication of CN219912143U publication Critical patent/CN219912143U/en
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Abstract

The utility model relates to the field of rotary joints and discloses a rotary water supply mechanism which comprises a chassis, a fixed sleeve arranged on the chassis and a rotary shaft rotatably arranged in the fixed sleeve, wherein a connecting disc is fixedly arranged at the top end of the rotary shaft, an axial support bearing and a radial support bearing are arranged between the inner wall of the fixed sleeve and the outer wall of the rotary shaft in an abutting manner, and a plurality of first sealing rings are arranged between the inner wall of the fixed sleeve and the outer wall of the rotary shaft in a sealing manner; the side wall of the fixed sleeve is provided with a water inlet, a water storage ring groove communicated with the water inlet is formed in the fixed sleeve, the side wall of the rotating shaft is provided with a through hole, and the rotating shaft is internally provided with a water supply cavity with an open top and communicated with the through hole. The utility model can support the fixed sleeve by adopting the chassis, and limit support is carried out on the radial direction and the axial direction of the rotating shaft by adopting the radial support bearing and the axial support bearing, so that the sealing effect of the first sealing ring on the fixed sleeve and the rotating shaft is better when the rotating shaft rotates, and the water leakage of the rotating water supply mechanism is not easy to occur.

Description

Rotary water supply mechanism
Technical Field
The utility model relates to the field of rotary joints, in particular to a rotary water supply mechanism.
Background
The rotary joint is a closed rotary connector for rotary conveying media, and is widely applied to the processing and manufacturing industry.
At present, rotary joint includes coaxial valve casing and hollow shaft that sets up, and hollow shaft sealed rotation sets up in the valve casing, has seted up the water inlet on the valve casing, and the inner chamber intercommunication of water inlet and hollow shaft, water source enter into the valve casing from the water inlet earlier, in the inner chamber of reentrant hollow shaft, hollow shaft at valve casing internal rotation in-process, can supply water.
The rotary joint only has the water supply function, the bearing capacity of the rotary joint is poor, when the follow-up structure needs to be installed on the rotary joint to rotate together with the hollow shaft, the follow-up structure presses down on the hollow shaft, the sealing effect between the hollow shaft and the valve casing is weakened easily, and then the rotary joint has the condition of water leakage.
Disclosure of Invention
In order to solve the problem that the follow-up structure is arranged on the rotary joint, so that the sealing effect of the rotary joint is easy to weaken, the utility model provides a rotary water supply mechanism.
The utility model provides a rotary water supply mechanism which adopts the following technical scheme:
the rotary water supply mechanism comprises a chassis, a fixed sleeve and a rotary shaft, wherein the fixed sleeve is fixedly arranged on the chassis, the rotary shaft is coaxially and rotatably arranged in the fixed sleeve, a connecting disc is fixedly arranged at the top end of the rotary shaft, an axial support bearing and a radial support bearing are arranged between the inner wall of the fixed sleeve and the outer wall of the rotary shaft in an abutting manner, and a plurality of first sealing rings are arranged between the inner wall of the fixed sleeve and the outer wall of the rotary shaft in a sealing manner; the water inlet is arranged on the side wall of the fixed sleeve, a water storage ring groove communicated with the water inlet is formed in the fixed sleeve, a through hole is formed in the side wall of the rotating shaft, and a water supply cavity with an open top end and communicated with the through hole is formed in the rotating shaft.
By adopting the technical scheme, a water source enters the water storage ring groove of the fixed sleeve from the water inlet, then enters the water supply cavity of the rotating shaft from the through hole, and finally is supplied from the water supply cavity. The follow-up structure is arranged on the connecting disc of the rotating shaft, when the rotating shaft rotates in the fixed sleeve, the radial support bearing limits the rotating shaft along the diameter direction of the rotating shaft, and the axial support bearing limits the rotating shaft along the axis direction of the rotating shaft, so that the rotating shaft is more stable when rotating; simultaneously, the chassis supports fixed cover for fixed cover is more stable, and then when making the rotation axis rotate, the sealed effect of first sealing washer is better, and the rotatory water supply mechanism is difficult for appearing the condition of leaking.
Preferably, two radial support bearings are provided, one radial support bearing is located at the bottom of the fixed sleeve, and the other radial support bearing is located at the top of the fixed sleeve.
Through adopting above-mentioned technical scheme, two radial support bearings carry out the butt spacing to the rotation axis diameter direction at the upper and lower both ends of rotation axis respectively to further improve the stability of rotation axis when rotating.
Preferably, a spacer sleeve is arranged in the fixed sleeve, the top wall of the axial support bearing is abutted against the bottom wall of the connecting disc, the bottom wall is abutted against the top wall of the spacer sleeve, and the bottom wall of the spacer sleeve is abutted against the top wall of the radial support bearing at the top of the fixed sleeve.
By adopting the technical scheme, the pre-tightening force and the play between the axial support bearing and the radial support bearing are adjusted by the spacer sleeve, so that the abutting supporting effect of the axial support bearing and the radial support bearing is better.
Preferably, the bottom end of the side wall of the rotating shaft is provided with an elastic check ring in a clamping manner, and the elastic check ring is abutted against the bottom wall of the radial support bearing at the bottom of the fixed sleeve.
Through adopting above-mentioned technical scheme, circlip carries out spacingly to the rotation axis for the rotation axis is difficult for taking place the drunkenness along self axis direction.
Preferably, the axial support bearing is a thrust bearing, and the radial support bearing is a deep groove ball bearing.
Preferably, the through holes are formed in a plurality, and the through holes are formed at equal intervals along the circumferential direction of the rotating shaft.
Through adopting above-mentioned technical scheme, at rotation axis rotation in-process, the interior water supply of retaining annular gets into the water supply intracavity through a plurality of through-holes to can increase water supply mechanism's supply of water volume.
Preferably, the connecting disc is integrally formed at the top end of the rotating shaft, and a second sealing ring is embedded on the top wall of the connecting disc and is abutted against the bottom wall of the follow-up structure.
By adopting the technical scheme, the second sealing ring seals the connecting disc and the follow-up structure, so that the sealing performance of the water supply mechanism is further improved.
Preferably, a third sealing ring is embedded on the top wall of the chassis and is abutted against the bottom wall of the fixed sleeve.
By adopting the technical scheme, the third sealing ring seals the chassis and the fixed sleeve, so that the sealing performance of the water supply mechanism is further improved.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. the chassis is adopted to support the fixed sleeve, and the radial support bearing and the axial support bearing are adopted to carry out limit support on the radial direction and the axial direction of the rotating shaft, so that when the rotating shaft rotates, the sealing effect of the first sealing ring on the fixed sleeve and the rotating shaft is better, and the water leakage condition of the rotating water supply mechanism is not easy to occur;
2. the second sealing ring is adopted to seal the connecting disc and the follow-up structure, so that the sealing performance of the water supply mechanism is further improved;
3. the chassis and the fixed sleeve are sealed by adopting the third sealing ring, so that the sealing performance of the water supply mechanism is further improved.
Drawings
FIG. 1 is a cross-sectional view of a rotary water supply mechanism of the present utility model.
Reference numerals illustrate: 1. a chassis; 2. a fixed sleeve; 3. a rotation shaft; 4. a connecting disc; 5. an axial support bearing; 6. a radial support bearing; 7. a first seal ring; 8. a water inlet; 9. a water storage ring groove; 10. a through hole; 11. a spacer sleeve; 12. a circlip; 13. a second seal ring; 14. a third seal ring; 15. a receiving groove; 16. a water supply cavity.
Detailed Description
The present utility model will be described in further detail with reference to fig. 1.
The embodiment of the utility model discloses a rotary water supply mechanism.
Referring to fig. 1, a rotary water supply mechanism includes a circular chassis 1, a cylindrical fixing sleeve 2 and a rotary shaft 3, wherein a cavity with two open ends is formed in the fixing sleeve 2, the fixing sleeve 2 is fixedly mounted on the chassis 1 through a plurality of bolts, the rotary shaft 3 is coaxially rotatably mounted in the cavity of the fixing sleeve 2, and the top end of the rotary shaft 3 extends to the outside of the fixing sleeve 2.
The top end of the rotating shaft 3 is integrally formed with a connecting disc 4 along the diameter direction of the rotating shaft, and the connecting disc 4 can be a flange plate in the utility model. The bottom end of the follow-up structure is fixedly provided with a flange plate, and the flange plate is fixedly arranged on the connecting disc 4 through bolts, so that the follow-up structure is arranged on the rotating shaft 3.
A circular second sealing ring 13 is embedded on the top wall of the connecting disc 4, and a circular third sealing ring 14 is embedded on the top wall of the chassis 1, wherein the second sealing ring 13 and the third sealing ring 14 can be rubber rings. The second sealing ring 13 seals the contact surface of the connecting disc 4 and the follow-up structure, and the third sealing ring 14 seals the contact surface of the chassis 1 and the fixed sleeve 2, so that the sealing effect of the water supply mechanism is improved.
A water inlet 8 is arranged on the side wall of the fixed sleeve 2, and a water storage ring groove 9 communicated with the metal port is arranged on the inner side wall of the fixed sleeve 2. The middle part of rotation axis 3 has offered open-ended water supply chamber 16, and equidistant surrounding has offered a plurality of through-holes 10 on the week lateral wall of rotation axis 3, and a plurality of through-holes 10 communicate water supply chamber 16 and retaining annular 9. Two first sealing rings 7 are arranged in the fixed sleeve 2, the inner side walls of the first sealing rings 7 are abutted against the outer side walls of the rotating shaft 3, and the two first sealing rings 7 are abutted against each other along the axial direction of the rotating shaft 3 and seal the top of the water storage ring groove 9. In the utility model, the first sealing ring 7 can be selected as a framework oil seal.
The water source is injected into the water storage ring groove 9 from the water inlet 8, the rotating shaft 3 rotates in the fixed sleeve 2, and the water source in the water storage ring groove 9 enters the water supply cavity 16 through the through hole 10 and is supplied out from the opening end at the top of the water supply cavity 16. When the rotating shaft 3 rotates, the two first sealing rings 7 seal between the rotating shaft 3 and the fixed sleeve 2, so that water source cannot leak.
Two radial support bearings 6 are arranged in the fixed sleeve 2, the two radial support bearings 6 are respectively arranged at the bottom end and the middle upper end of the cavity of the fixed sleeve 2, the outer side wall of the radial support bearing 6 is abutted against the inner wall side of the fixed sleeve 2, and the inner side wall of the radial support bearing 6 is abutted against the outer wall side of the rotating shaft 3. In the present utility model, the radial support bearing 6 is a deep groove ball bearing. The two radial support bearings 6 are used for limiting the rotating shaft 3 in a butt joint manner in the diameter direction, so that the rotating shaft 3 is more stable during rotation.
The fixed sleeve 2 is arranged at the top end of the cavity and is provided with an axial support bearing 5, the top end of the radial support bearing 6 at the upper end in the fixed sleeve 2 is provided with a spacer sleeve 11, the bottom wall of the spacer sleeve 11 is abutted against the outer ring of the radial support bearing 6, the top wall of the spacer sleeve 11 is abutted against the bottom wall of the axial support bearing 5, and the top wall of the axial support bearing 5 is abutted against the bottom wall of the connecting disc 4. In the present utility model, the axial support bearing 5 is a thrust bearing. The axial support shaft supports the connecting disc 4, so that the rotation shaft 3 is more stable when rotating.
The chassis 1 is used for supporting the fixed sleeve 2, and the radial support bearing 6 and the axial support bearing 5 are used for limiting and supporting the radial direction and the axial direction of the rotary shaft 3, so that when the rotary shaft 3 rotates, the sealing effect of the first sealing ring 7 on the fixed sleeve 2 and the rotary shaft 3 is better, and the water leakage condition of the rotary water supply mechanism is difficult to occur. Meanwhile, the pre-tightening force and the play between the axial support bearing 5 and the radial support bearing 6 are adjusted by the spacer sleeve 11, so that the abutting support effect of the axial support bearing 5 and the radial support bearing 6 is better.
The storage tank 15 has been seted up at chassis 1 top middle part, and peg graft in storage tank 15 the bottom of rotation axis 3, and circlip 12 is installed in the bottom joint of rotation axis 3 lateral wall, and circlip 12 is located storage tank 15. The outer ring of the radial support bearing 6 at the bottom end of the fixed sleeve 2 is abutted on the chassis 1, and the circlip 12 is abutted on the bottom wall of the outer ring of the radial support bearing 6 at the bottom end of the fixed sleeve 2. The circlip 12 limits the rotating shaft 3, so that the rotating shaft 3 is not easy to move along the axis direction of the rotating shaft 3, and the rotating of the rotating shaft 3 is more stable.
The implementation principle of the embodiment of the utility model is as follows: the chassis 1 is used for supporting the fixed sleeve 2, and the radial support bearing 6 and the axial support bearing 5 are used for limiting and supporting the radial direction and the axial direction of the rotary shaft 3, so that when the rotary shaft 3 rotates, the sealing effect of the first sealing ring 7 on the fixed sleeve 2 and the rotary shaft 3 is better, and the water leakage condition of the rotary water supply mechanism is difficult to occur.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. A rotary water supply mechanism, characterized in that: the novel rotary shaft comprises a chassis (1), a fixed sleeve (2) and a rotary shaft (3), wherein the fixed sleeve (2) is fixedly arranged on the chassis (1), the rotary shaft (3) is coaxially arranged in the fixed sleeve (2) in a rotary mode, a connecting disc (4) is fixedly arranged at the top end of the rotary shaft (3), an axial support bearing (5) and a radial support bearing (6) are arranged between the inner wall of the fixed sleeve (2) and the outer wall of the rotary shaft (3) in an abutting mode, and a plurality of first sealing rings (7) are arranged between the inner wall of the fixed sleeve (2) and the outer wall of the rotary shaft (3) in a sealing mode; the water storage device is characterized in that a water inlet (8) is formed in the side wall of the fixed sleeve (2), a water storage ring groove (9) communicated with the water inlet (8) is formed in the fixed sleeve (2), a through hole (10) is formed in the side wall of the rotating shaft (3), and a water supply cavity (16) with an opening at the top end and communicated with the through hole (10) is formed in the rotating shaft (3).
2. A rotary water supply mechanism as claimed in claim 1, wherein: the radial support bearings (6) are arranged in two, one radial support bearing (6) is located at the bottom of the fixed sleeve (2), and the other radial support bearing (6) is located at the top of the fixed sleeve (2).
3. A rotary water supply mechanism as claimed in claim 2, wherein: the fixed cover (2) is internally provided with a spacer sleeve (11), the top wall of the axial support bearing (5) is abutted against the bottom wall of the connecting disc (4), the bottom wall is abutted against the top wall of the spacer sleeve (11), and the bottom wall of the spacer sleeve (11) is abutted against the top wall of the radial support bearing (6) at the top of the fixed cover (2).
4. A rotary water supply mechanism according to claim 3, wherein: the side wall bottom joint of rotation axis (3) is provided with circlip (12), circlip (12) butt fixed sleeve (2) bottom radial support bearing (6) diapire.
5. A rotary water supply mechanism as claimed in claim 4, wherein: the axial support bearing (5) is a thrust bearing, and the radial support bearing (6) is a deep groove ball bearing.
6. A rotary water supply mechanism as claimed in claim 1, wherein: the through holes (10) are formed in a plurality, and the through holes (10) are formed at equal intervals along the circumferential direction of the rotating shaft (3).
7. A rotary water supply mechanism as claimed in claim 1, wherein: the connecting disc (4) is integrally formed at the top end of the rotating shaft (3), a second sealing ring (13) is embedded in the top wall of the connecting disc (4), and the second sealing ring (13) is abutted against the bottom wall of the follow-up structure.
8. A rotary water supply mechanism as claimed in claim 1, wherein: a third sealing ring (14) is embedded on the top wall of the chassis (1), and the third sealing ring (14) is abutted against the bottom wall of the fixed sleeve (2).
CN202321560974.6U 2023-06-16 2023-06-16 Rotary water supply mechanism Active CN219912143U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321560974.6U CN219912143U (en) 2023-06-16 2023-06-16 Rotary water supply mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321560974.6U CN219912143U (en) 2023-06-16 2023-06-16 Rotary water supply mechanism

Publications (1)

Publication Number Publication Date
CN219912143U true CN219912143U (en) 2023-10-27

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ID=88427684

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321560974.6U Active CN219912143U (en) 2023-06-16 2023-06-16 Rotary water supply mechanism

Country Status (1)

Country Link
CN (1) CN219912143U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118326133A (en) * 2024-06-13 2024-07-12 迈格发(上海)科技股份有限公司 Metal surface heat treatment device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118326133A (en) * 2024-06-13 2024-07-12 迈格发(上海)科技股份有限公司 Metal surface heat treatment device

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