CN208474739U - A kind of double spherical-sealing rotary joints - Google Patents
A kind of double spherical-sealing rotary joints Download PDFInfo
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- CN208474739U CN208474739U CN201821089773.1U CN201821089773U CN208474739U CN 208474739 U CN208474739 U CN 208474739U CN 201821089773 U CN201821089773 U CN 201821089773U CN 208474739 U CN208474739 U CN 208474739U
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- big pipe
- forecourt
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Abstract
The utility model provides a kind of double spherical-sealing rotary joints, including rear end cap, shell, drive end bearing bracket and big pipe ball, rear end cap is connected on the left of shell, and drive end bearing bracket is connected on the right side of shell, it is connect in insertion shell with housing into rotation on the left of big pipe ball, drive end bearing bracket is passed through on the right side of big pipe ball and is stretched out outside shell；Tubule ball is rotatably connected in shell, tubule ball is plugged on outside big pipe ball left end, and forecourt block is fixed on the left of big pipe ball, be fixed with rear ball block on the right side of tubule ball, forecourt block with rear ball block be it is hemispherical, forecourt block is opposite with rear ball block plane；Ball has been abutted respectively on forecourt block and rear ball block spherical surface, and two balls split the left and right sides of shell, and abut respectively with shell and drive end bearing bracket；Spring is abutted between forecourt block and rear ball block plane, so that forecourt block is closely abutted with ball with rear ball block, the utility model has the advantages that the leakproofness being maintained for a long time.
Description
Technical field
The utility model relates to rotary joint fields, specifically, being related to a kind of double spherical-sealing rotary joints.
Background technique
Rotary joint is the connection sealing device that fluid media (medium) is input in slewing from static duct, all use steams,
The gases such as water, oil, coal gas, air, salt water and ammonia and liquid, cylindrical shape, cydariform, truncated cone-shaped for heating, drying and cool down,
The equipment that spherical rotating machinery and reciprocating motion or pendulum (turning) move any one angle, and the air-liquid for clamping and braking
Moving related equipment can adapted rotary joint.
Rotary joint works because it is dynamic, and the connector for keeping inner seal member relatively common is easier to wear, and leads
It causes leakproofness to reduce, reveals fluid media (medium) easily, influence the normal work of rotary joint and equipment.
Utility model content
In place of solving above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of double ball face sealings
Rotary joint, to overcome defect in the prior art.
To achieve the goals above, the utility model provides a kind of double spherical-sealing rotary joints, including rear end cap, shell
Body, drive end bearing bracket and big pipe ball, rear end cap are connected on the left of shell, and drive end bearing bracket is connected on the right side of shell, and shell is inserted on the left of big pipe ball
It is connect in vivo with housing into rotation, drive end bearing bracket is passed through on the right side of big pipe ball and is stretched out outside shell；Tubule ball, tubule are rotatably connected in shell
Ball is plugged on outside big pipe ball left end, and forecourt block is fixed on the left of big pipe ball, rear ball block is fixed on the right side of tubule ball, forecourt block is with after
Ball block be it is hemispherical, forecourt block is opposite with rear ball block plane；The first ball has been abutted respectively on forecourt block and rear ball block spherical surface
With the second ball, the first ball left side abuts with shell, abuts on the right side of the first ball with rear ball block, the second ball left side and rear ball
Block abuts, and abuts on the right side of the second ball with drive end bearing bracket；Abutted spring between forecourt block and rear ball block plane so that forecourt block with
Ball block is closely abutted with ball afterwards.
By using above-mentioned technical proposal, when assembling rotary joint, the spacing between forecourt block and rear ball block plane is small
In the length of spring, then the state that spring can be made to remain retracted, and then make forecourt block and rear ball block using the elastic potential energy of spring
Abutted respectively with the first ball and the second ball, though forecourt block and rear ball block during the work time with the first ball and the second ball
It is worn between ring, forecourt block and rear ball block can also be pushed to the first ball and the second ball by spring, what holding closely abutted
State, and then make rotary joint that can still keep excellent leakproofness in working long hours；Spherical surface fitting is arranged simultaneously to compare
Plane fitting increases contact area, and end face injustice makes fluid media (medium) be not easy to flow within the cleft, and then improves rotary joint
Leakproofness.
As to a kind of further explanation of double spherical-sealing rotary joints described in the utility model, it is preferable that tubule
Connecting key is slidably connected on ball, connecting key passes through big pipe ball and is slidably connected with big pipe ball, and the telescopic direction of connecting key is big pipe
The length direction of ball.
By using above-mentioned technical proposal, connecting key is set and is kept away while guaranteeing the relative motion of big pipe ball and tubule ball
Exempt from big pipe ball and tubule ball is detached from, and influences spring to the force of forecourt block and rear ball block.
As to a kind of further explanation of double spherical-sealing rotary joints described in the utility model, it is preferable that rear end
Lid middle part is provided with direct current mouth, and direct current mouth is communicated with big pipe ball and tubule ball, direct current mouth axis and big pipe ball and tubule ball axis weight
It closes；Shell upper end is provided with effluent mouth, and effluent mouth axis is vertical with direct current mouth axis, is provided on big pipe ball and tubule ball side wall several
A to cross ferry, effluent mouth utilized ferry to communicate with big pipe ball and tubule ball.
By using above-mentioned technical proposal, make rotary joint that can connect the pipeline of different directions, improves the suitable of rotary joint
With property.
As to a kind of further explanation of double spherical-sealing rotary joints described in the utility model, it is preferable that rear end
Lid is interference fitted with gasket made of rubber, gasket has been abutted between shell with rear end cap and shell.
By using above-mentioned technical proposal, the gap between rear end cap and shell is filled up using gasket, and then improve rotation
The leakproofness of adapter.
As to a kind of further explanation of double spherical-sealing rotary joints described in the utility model, it is preferable that big pipe
Ball right end is cased with flange, and the snap ring of cone cell is plugged between flange and big pipe ball.
By using above-mentioned technical proposal, flange is set and facilitates installation rotary joint, while being clamped flange using snap ring, makes
Flange on big pipe ball is replaceable, and then rotary joint can be made to be mounted on the pipeline of different size, further increases rotation and connects
The suitability of head.
As to a kind of further explanation of double spherical-sealing rotary joints described in the utility model, it is preferable that shell
Bottom end is provided with columned location hole.
By using above-mentioned technical proposal, it is inserted into bolt in positioning hole, bolt is inserted on metope or in equipment, will
Rotary joint is fixed, and lives rotary joint with hand rest again without staff, and staff's both hands is made to carry out the company of pipeline and flange
It connects, improves installation effectiveness.
The utility model has the following beneficial effects:
1, the utility model makes forecourt block and rear ball using the elastic force of spring by setting forecourt block, rear ball block and spring
Block is remained to be in close contact with the first ball and the second ball, guarantees the leakproofness of rotary joint；
2, the leakproofness of rotary joint is further increased by the way that sealing ring is arranged；
3, flange is clamped by setting snap ring, keeps flange replaceable, and then make rotary joint can be with the pipeline of different size
It is connected, improves the suitability of rotary joint.
Detailed description of the invention
Fig. 1 is the sectional view of the utility model.
Description of symbols:
1, rear end cap；11, direct current mouth；12, gasket；2, shell；21, effluent mouth；3, drive end bearing bracket；4, big pipe ball；41, preceding
Ball block；42, ferry is crossed；43, flange；44, snap ring；5, tubule ball；51, rear ball block；52, connecting key；61, the first ball；62,
Two balls；7, spring；8, location hole.
Specific embodiment
In order to further appreciate that the structure, feature and other purposes of the utility model, now in conjunction with appended preferable implementation
Example is accompanied by attached drawing, and detailed description are as follows, this attached drawing embodiment described is merely to illustrate the technical solution of the utility model, and
Non-limiting the utility model.
A kind of double spherical-sealing rotary joints, as shown in Figure 1, including rear end cap 1, shell 2, drive end bearing bracket 3 and big pipe ball 4,
Shell 2 is that cylinder is shelly-shaped, and rear end cap 1 is connected in 2 left side of shell by bolt, and drive end bearing bracket 3 is connected in 2 right side of shell by bolt
Side, has abutted gasket 12 made of rubber between rear end cap 1 and shell 2, gasket 12 is matched with rear end cap 1 and 2 interference of shell
It closes, fills up the gap between rear end cap 1 and shell 2 using gasket 12, and then improve the leakproofness of rotary joint；Big pipe ball 4
It for circular tube shaped, is rotatablely connected in insertion shell 2 with shell 2 on the left of big pipe ball 4, drive end bearing bracket 3 is passed through on the right side of big pipe ball 1 and stretches out shell
Outside 2.
As shown in Figure 1, being rotatably connected to tubule ball 5 in shell 2, tubule ball 5 is circular tube shaped, and 5 length of tubule ball is less than
Big 4 length of pipe ball, tubule ball 5 are plugged on outside big 4 left end of pipe ball, and forecourt block 41,5 right side of tubule ball are fixed on the left of big pipe ball 4
Be fixed with rear ball block 51, forecourt block 41 with rear ball block 51 be it is hemispherical, forecourt block 41 is opposite with rear 51 plane of ball block；Forecourt block
41 with abutted the first ball 61 and the second ball 62 on rear 51 spherical surface of ball block respectively, 61 left side of the first ball is abutted with shell 1,
First ball, 61 right side is abutted with rear ball block 51, and 62 left side of the second ball is abutted with rear ball block 61, and 62 right side of the second ball is with before
End cap 3 abuts；Spring 7 has been abutted between forecourt block 41 and rear 51 plane of ball block.
As shown in Figure 1, the spacing between forecourt block 41 and rear 51 plane of ball block is less than spring 7 when assembling rotary joint
Length, then the state that spring 7 can be made to remain retracted, and then make forecourt block 41 and rear ball block 51 using the elastic potential energy of spring 7
Abutted with the first ball 61 and the second ball 62, though forecourt block 41 and rear ball block 51 during the work time with the first ball 61 and
It is worn between second ball 62, spring 7 can also push forecourt block 41 and rear ball block 51 to the first ball 61 and the second ball
62, the state closely abutted is kept, and then make rotary joint that can still keep excellent leakproofness in working long hours；Simultaneously
Spherical surface is arranged to be bonded compared to plane fitting increase contact area, and end face injustice makes fluid media (medium) be not easy to flow within the cleft,
And then improve the leakproofness of rotary joint；And the first ball 61 and the second ball 62 improve wearability using graphite material, mention
The service life of high rotary joint.
As shown in Figure 1, being provided with direct current mouth 11 in the middle part of rear end cap 1, direct current mouth 11 is communicated with big pipe ball 4 and tubule ball 5, direct current
11 axis of mouth are overlapped with big pipe ball 4 and 5 axis of tubule ball；2 upper end of shell is provided with effluent mouth 21,21 axis of effluent mouth and direct current mouth
11 axis are vertical, several are provided on big pipe ball 4 and 5 side wall of tubule ball and crosses ferry 42, and effluent mouth 21 utilized ferry 42 and big
Pipe ball 4 and tubule ball 5 communicate；Slidably connect connecting key 52 on tubule ball 5, connecting key 52 is screw rod, and 52 both ends of connecting key
It is threaded with nut, two nuts are abutted with big pipe ball 4 and tubule ball 5 respectively, and connecting key 52 passes through big pipe ball 5 and big pipe ball
4 are slidably connected, and the telescopic direction of connecting key 52 is the length direction of big pipe ball 4.
As shown in Figure 1, setting direct current mouth 11 and effluent mouth 12 can make rotary joint that can connect the pipeline of different directions, improve
The suitability of rotary joint；Connecting key 52 is arranged to guarantee the relative motion of big pipe ball 4 and tubule ball 5 while avoiding big pipe ball 4
It is detached from tubule ball 5, and influences spring 7 to the force of forecourt block 41 and rear ball block 42；Ferry 42 was avoided to misplace and seal simultaneously
It closes, guarantee can smoothly enter into big pipe ball 4 from the medium that effluent mouth 21 flows out.
As shown in Figure 1, big 4 right end of pipe ball is cased with flange 43, the snap ring of cone cell is plugged between flange 43 and big pipe ball 4
44, setting flange 43 facilitates installation rotary joint, while being clamped flange 43 using snap ring 44, keeps flange 43 replaceable different outer
Diameter, and then rotary joint can be made to be mounted on the pipeline of different size, further increase the suitability of rotary joint；2 bottom of shell
End is provided with columned location hole 8；Bolt is inserted into location hole 8, bolt is inserted on metope or in equipment, rotation is connect
Head is fixed, lives rotary joint with hand rest again without staff, and staff's both hands is made to carry out the connection of pipeline and flange, improves
Installation effectiveness.
It is to be understood that above-mentioned utility model content and specific embodiment are intended to prove the provided skill of the utility model
The practical application of art scheme should not be construed as the restriction to scope of protection of the utility model.Those skilled in the art are practical at this
In novel spirit and principle, when can various modifications may be made, equivalent replacement or improvement.The protection scope of the utility model is with appended power
Subject to sharp claim.
Claims (6)
1. a kind of double spherical-sealing rotary joints, including rear end cap (1), shell (2), drive end bearing bracket (3) and big pipe ball (4), rear end
Lid (1) is connected on the left of shell (2), and drive end bearing bracket (3) is connected on the right side of shell (2), on the left of big pipe ball (4) in insertion shell (2)
It is rotatablely connected with shell (2), drive end bearing bracket (3) is passed through on the right side of big pipe ball (4) and stretch out shell (2) outside；It is characterized in that,
It is rotatably connected to tubule ball (5) in shell (2), tubule ball (5) is plugged on outside big pipe ball (4) left end, on the left of big pipe ball (4)
It is fixed with forecourt block (41), rear ball block (51) is fixed on the right side of tubule ball (5), forecourt block (41) and rear ball block (51) are hemisphere
Shape, forecourt block (41) are opposite with rear ball block (51) plane；
The first ball (61) and the second ball (62), the first ball have been abutted respectively on forecourt block (41) and rear ball block (51) spherical surface
(61) left side is abutted with shell (2), is abutted on the right side of the first ball (61) with rear ball block (51), the second ball (62) left side and rear ball
Block (51) abuts, and abuts on the right side of the second ball (62) with drive end bearing bracket (3)；
Spring (7) are abutted between forecourt block (41) and rear ball block (51) plane, so that forecourt block (41) and rear ball block (51) are equal
It is closely abutted with ball (6).
2. a kind of double spherical-sealing rotary joints according to claim 1, which is characterized in that the company of sliding on tubule ball (5)
It is connected to connecting key (52), connecting key (52) passes through big pipe ball (4) and is slidably connected with big pipe ball (4), the flexible side of connecting key (52)
To the length direction for big pipe ball (4).
3. a kind of double spherical-sealing rotary joints according to claim 1, which is characterized in that be provided in the middle part of rear end cap (1)
Direct current mouth (11), direct current mouth (11) are communicated with big pipe ball (4) and tubule ball (5), direct current mouth (11) axis and big pipe ball (4) and small
Pipe ball (5) axis is overlapped；Shell (2) upper end is provided with effluent mouth (21), and effluent mouth (21) axis and direct current mouth (11) axis hang down
Directly, several are provided on big pipe ball (4) and tubule ball (5) side wall to cross ferry (42), effluent mouth (21) utilized ferry (42) with
Big pipe ball (4) and tubule ball (5) communicate.
4. a kind of double spherical-sealing rotary joints according to claim 1, which is characterized in that rear end cap (1) and shell (2)
Between abut and have gasket made of rubber (12), gasket (12) and rear end cap (1) and shell (2) interference fit.
5. a kind of double spherical-sealing rotary joints according to claim 1, which is characterized in that big pipe ball (4) right end is cased with
Flange (43) is plugged with the snap ring (44) of cone cell between flange (43) and big pipe ball (4).
6. a kind of double spherical-sealing rotary joints according to claim 5, which is characterized in that shell (2) bottom end is provided with circle
Columnar location hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821089773.1U CN208474739U (en) | 2018-07-10 | 2018-07-10 | A kind of double spherical-sealing rotary joints |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821089773.1U CN208474739U (en) | 2018-07-10 | 2018-07-10 | A kind of double spherical-sealing rotary joints |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208474739U true CN208474739U (en) | 2019-02-05 |
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ID=65209963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821089773.1U Active CN208474739U (en) | 2018-07-10 | 2018-07-10 | A kind of double spherical-sealing rotary joints |
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| Country | Link |
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| CN (1) | CN208474739U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115183070A (en) * | 2022-06-29 | 2022-10-14 | 中国舰船研究设计中心 | Pressure balance type ball sleeve type deformation compensation device and system for sea pipeline |
| CN115183070B (en) * | 2022-06-29 | 2024-04-26 | 中国舰船研究设计中心 | Pressure balance type ball sleeve type deformation compensation device and system for sea pipeline |
-
2018
- 2018-07-10 CN CN201821089773.1U patent/CN208474739U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115183070A (en) * | 2022-06-29 | 2022-10-14 | 中国舰船研究设计中心 | Pressure balance type ball sleeve type deformation compensation device and system for sea pipeline |
| CN115183070B (en) * | 2022-06-29 | 2024-04-26 | 中国舰船研究设计中心 | Pressure balance type ball sleeve type deformation compensation device and system for sea pipeline |
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