CN206018090U - A kind of double containment anti-vibration swivel joint - Google Patents
A kind of double containment anti-vibration swivel joint Download PDFInfo
- Publication number
- CN206018090U CN206018090U CN201621020590.5U CN201621020590U CN206018090U CN 206018090 U CN206018090 U CN 206018090U CN 201621020590 U CN201621020590 U CN 201621020590U CN 206018090 U CN206018090 U CN 206018090U
- Authority
- CN
- China
- Prior art keywords
- bear box
- sealing device
- rear end
- swivel joint
- end cap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Joints Allowing Movement (AREA)
Abstract
The utility model discloses a kind of double containment anti-vibration swivel joint, including rear end cap, bear box, bearing and rotary shaft, the stage casing of the rear end cap is fixedly connected with bear box by interior hexagonal screw thread, the bearing is arranged on the inner side of bear box, the bearing spacer is fixedly connected with bear box, the rotary sleeve is in the inner side of bearing, the rotary shaft is connected with rear end cap by elastic cylindrical pin, one end of the rotary shaft is fixed with the second main sealing device by counterbalance spring, one end of the rear end cap is fixed with the first main sealing device by counterbalance spring, first main sealing device is offseted with the second main sealing device, the outer end of the endoporus wall body of the bear box is provided with circlip for hole.This utility model is reasonable in design, substantially increases the stationarity of swivel seal face laminating, and anti-external shock excellent performance, sealing surface are not susceptible to break-off, improve the service life of swivel joint.
Description
Technical field
This utility model belongs to the joint technique field of fluid transmission, and in particular to a kind of double containment anti-vibration rotation connects
Head.
Background technology
Swivel joint is to be input in rotation or reciprocating equipment, then from rotation fluid media (medium) from static pipeline
The connection sealing device that discharges in joint, referred to as " swivel joint ".
Loop swivel joint can select mode of connection according to operative scenario.Transmission medium entrance can be freely selected according to working condition
Select side or rear end enters.Sealing surface and sealing ring be made by special material, wear-resistant, life-span length, corrosion-resistant, do not let out
Leakage.There are two precision bearings inside swivel joint, smooth running is lasting, firm flexible, and coefficient of friction is little, therefore can transport at a high speed
Turn.The situation of inner seal abrasion can be learnt by product appearance range estimation, can prevent machine down time or mechanical failure, reach
Preventive effect and minimizing loss.Sealing part abrasion repair and replacement are simple, without purchasing new product again, cost-effective.
Swivel joint in the market is mostly single dish type sealing ring, single-row counterbalance spring, the sealing ring on hollow axle
For being rigidly connected, easily occur sealing surface in use and depart from leakage phenomenon.
Utility model content
The purpose of this utility model is to provide a kind of double containment anti-vibration swivel joint, using the knot of double dish-like sealing rings
Structure and the structure of biserial counterbalance spring, substantially increase the stationarity of swivel seal face laminating, anti-external shock performance
Excellent, sealing surface is not susceptible to break-off, improves the service life of swivel joint.
For achieving the above object, this utility model provides following technical scheme：A kind of double containment anti-vibration swivel joint, bag
Rear end cap, bear box, bearing and rotary shaft is included, the stage casing of the rear end cap is fixed with bear box by interior hexagonal screw thread and connected
Connect, the bearing is arranged on the inner side of bear box, and is provided with bearing spacer between two bearings, the bearing spacer and axle
Hold housing to be fixedly connected, the rotary sleeve is connected with rear end cap by elastic cylindrical pin in the inner side of bearing, the rotary shaft,
One end of the rotary shaft is fixed with the second main sealing device by counterbalance spring, and one end of the rear end cap passes through counterbalance spring
Be fixed with the first main sealing device, first main sealing device is offseted with the second main sealing device, the bear box interior
The outer end of hole wall body is provided with circlip for hole.
Preferably, the first lubricant reservoir is offered in the bearing spacer, offer pump nozzle, institute on the bear box
The pump nozzle that states is connected with the first lubricant reservoir.
Preferably, two group of second auxiliary sealing member is arranged with first main sealing device.
Preferably, two group of first auxiliary sealing member is arranged with second main sealing device.
Technique effect of the present utility model and advantage：The double containment anti-vibration swivel joint, the second main sealing device are adopted
Hardness is higher, the excellent hard alloy of anti-wear performance, and the first main sealing device and the second main sealing device constitute sealing friction pair
Sealing property can be made steady, amount of seal wear is little；Meanwhile, the first main sealing device and the second main sealing device are combined with many
Individual little spring carries out sealing compensation as counterbalance spring, and uniformly effect is close can to make spring force using many spring structures
On front cover, it is ensured that the laminating of main sealing device sealing surface is closely steady, substantially increases the vibration of the anti-external device of swivel joint
Performance；Counterbalance spring of the present utility model adopts fitted outside, it is to avoid counterbalance spring is mended directly with circulation medium directly contact
Repaying spring force will not be affected by the use parameter of medium itself, it is ensured that counterbalance spring is to the compensation function of sealing surface in good
Good state, so that improve the service life of swivel joint；And main sealing device is designed with rear end cap and rotary shaft
It is oriented to straight mouth, it is ensured that the concentricity of two main sealing devices；Therefore, this utility model is reasonable in design, substantially increases rotation
The stationarity of joint sealing face laminating, anti-external shock excellent performance, sealing surface are not susceptible to break-off, improve rotation and connect
The service life of head.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：1 rear end cap, 2 counterbalance springs, 3 first main sealing devices, 4 second main sealing devices, 5 bear boxes, 6 axles
Hold, 7 bearing spacers, 8 rotary shafts, 9 circlip for holes, 10 pump nozzles, 11 first auxiliary sealing members, 12 elastic cylindrical pins, 13
Interior hexagonal screw thread, 14 second auxiliary sealing members.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole
Embodiment.Embodiment in based on this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
This utility model provides a kind of double containment anti-vibration swivel joint as shown in Figure 1, including rear end cap 1, bearing
Housing 5, bearing 6 and rotary shaft 8, the stage casing of the rear end cap 1 are fixedly connected with bear box 5 by interior hexagonal screw thread 13, institute
The inner side that bearing 6 is arranged on bear box 5 is stated, and bearing spacer 7 is provided between two bearings 6, the bearing spacer 7 and axle
Hold housing 5 to be fixedly connected, the first lubricant reservoir is offered in the bearing spacer 7, offer pump nozzle on the bear box 5
10, described pump nozzle 10 is connected with the first lubricant reservoir, and the rotary shaft 8 is enclosed within the inner side of bearing 6, and the rotary shaft 8 is led to
Cross elastic cylindrical pin 12 to be connected with rear end cap 1, one end of the rotary shaft 8 is fixed with the second primary seal dress by counterbalance spring 2
4 are put, two group of first auxiliary sealing member 11 on second main sealing device 4, is arranged with, one end of the rear end cap 1 is by mending
Repay spring 2 and be fixed with the first main sealing device 3, on first main sealing device 3, be arranged with two group of second auxiliary sealing member
14, first main sealing device 3 is offseted with the second main sealing device 4, and the outer end of the endoporus wall body of the bear box 5 sets
There is circlip for hole 9.
The double containment anti-vibration swivel joint, the second main sealing device 4 are higher using hardness, the excellent hard of anti-wear performance
Alloy, the first main sealing device 3 and the composition sealing friction pair of the second main sealing device 4 can make sealing property steady, sealing mill
Damage amount is little；Meanwhile, the first main sealing device 3 and the second main sealing device 4 are combined with multiple little springs and enter as counterbalance spring 2
Row sealing compensation, uniformly effect is on sealing surface can to make spring force using many spring structures, it is ensured that primary seal is filled
Put sealing surface laminating closely steady, substantially increase the vibration performance of the anti-external device of swivel joint；Compensation of the present utility model
Spring 2 adopts fitted outside, it is to avoid directly with circulation medium directly contact, 2 elastic force of counterbalance spring will not be situated between counterbalance spring 2
The use parameter of matter itself affects, it is ensured that counterbalance spring 2 is in shape to the compensation function of sealing surface, so as to improve
The service life of swivel joint；And in rear end cap 1 and rotary shaft 8, it is designed with the straight mouth of the guiding of main sealing device, it is ensured that
The concentricity of two main sealing devices；Therefore, this utility model is reasonable in design, substantially increases the laminating of swivel seal face
Stationarity, anti-external shock excellent performance, sealing surface are not susceptible to break-off, improve the service life of swivel joint.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, this is not limited to
Utility model, although being described in detail to this utility model with reference to the foregoing embodiments, for those skilled in the art
For, which still can be modified to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Equivalent is carried out, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements that is made etc.,
Should be included within protection domain of the present utility model.
Claims (4)
1. a kind of double containment anti-vibration swivel joint, including rear end cap (1), bear box (5), bearing (6) and rotary shaft (8),
It is characterized in that：The stage casing of rear end cap (1) is fixedly connected with bear box (5) by interior hexagonal screw thread (13), the axle
The inner side that (6) are arranged on bear box (5) is held, and bearing spacer (7) is provided between two bearings (6), the bearing spacer
(7) it is fixedly connected with bear box (5), rotary shaft (8) are enclosed within the inner side of bearing (6), and described rotary shaft (8) are by elasticity
Straight pin (12) is connected with rear end cap (1), and the one end of rotary shaft (8) is fixed with the second primary seal by counterbalance spring (2)
Device (4), the one end of rear end cap (1) are fixed with the first main sealing device (3), first master by counterbalance spring (2)
Sealing device (3) is offseted with the second main sealing device (4), and the outer end of the endoporus wall body of bear box (5) is provided with hole use
Circlip (9).
2. a kind of double containment anti-vibration swivel joint according to claim 1, it is characterised in that：Bearing spacer (7)
The first lubricant reservoir is inside offered, pump nozzle (10), described pump nozzle (10) and first on bear box (5), is offered
Lubricant reservoir is connected.
3. a kind of double containment anti-vibration swivel joint according to claim 1, it is characterised in that：The first primary seal dress
Put.
4. a kind of double containment anti-vibration swivel joint according to claim 1, it is characterised in that：The second primary seal dress
Put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621020590.5U CN206018090U (en) | 2016-08-31 | 2016-08-31 | A kind of double containment anti-vibration swivel joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621020590.5U CN206018090U (en) | 2016-08-31 | 2016-08-31 | A kind of double containment anti-vibration swivel joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206018090U true CN206018090U (en) | 2017-03-15 |
Family
ID=58255560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621020590.5U Expired - Fee Related CN206018090U (en) | 2016-08-31 | 2016-08-31 | A kind of double containment anti-vibration swivel joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206018090U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763793A (en) * | 2017-03-22 | 2017-05-31 | 福建省闽旋科技股份有限公司 | A kind of continuous casting of iron and steel machine rotary sealing appts |
| CN107781553A (en) * | 2016-08-31 | 2018-03-09 | 福建省闽旋科技股份有限公司 | A kind of double containment anti-vibration swivel joint |
| CN111115534A (en) * | 2019-12-31 | 2020-05-08 | 长沙方今科技有限公司 | Rotary joint and filling machine comprising same |
-
2016
- 2016-08-31 CN CN201621020590.5U patent/CN206018090U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107781553A (en) * | 2016-08-31 | 2018-03-09 | 福建省闽旋科技股份有限公司 | A kind of double containment anti-vibration swivel joint |
| CN106763793A (en) * | 2017-03-22 | 2017-05-31 | 福建省闽旋科技股份有限公司 | A kind of continuous casting of iron and steel machine rotary sealing appts |
| CN111115534A (en) * | 2019-12-31 | 2020-05-08 | 长沙方今科技有限公司 | Rotary joint and filling machine comprising same |
| CN111115534B (en) * | 2019-12-31 | 2022-03-11 | 长沙方今科技有限公司 | Rotary joint and filling machine comprising same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 Termination date: 20190831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |