CN204099263U - A kind of new type power seal arrangement - Google Patents
A kind of new type power seal arrangement Download PDFInfo
- Publication number
- CN204099263U CN204099263U CN201420389153.5U CN201420389153U CN204099263U CN 204099263 U CN204099263 U CN 204099263U CN 201420389153 U CN201420389153 U CN 201420389153U CN 204099263 U CN204099263 U CN 204099263U
- Authority
- CN
- China
- Prior art keywords
- oil sealing
- stuffing box
- sealing
- oil
- seal
- 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
Links
- 238000007789 sealing Methods 0.000 claims abstract description 131
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000000498 cooling water Substances 0.000 claims abstract description 19
- 238000001816 cooling Methods 0.000 claims description 6
- 239000002826 coolant Substances 0.000 abstract description 3
- 238000005057 refrigeration Methods 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
Landscapes
- Sealing Devices (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model provides a kind of new type power seal arrangement, and it comprises: axle sleeve, and it is set on main shaft; Several oil sealings, it is set in the outside of described axle sleeve; Stuffing box, it is positioned at the outside of described oil sealing; Seal cage, it is arranged in the middle of two oil sealings; Water nozzle, it extends to described seal cage place perpendicular to described major axes orientation through described stuffing box; Oil sealing cover, it is positioned at the end of described oil sealing and is connected with described stuffing box, and wherein, the oil sealing of described seal cage both sides is in being oppositely arranged.Compared with prior art, dynamic sealing device of the present utility model, external refrigeration water can be provided for the sealing surface of High Rotation Speed, for coolant seal face, improve the functional reliability of sealing, can prevent again cooling water from entering in medium, this device both ensure that the purity of field medium, turn improved the working life of seal arrangement, simultaneously, simplified structure, reduces costs.
Description
Technical field
The utility model relates to field of sealing technology, particularly relates to a kind of new type power seal arrangement.
Background technique
Refer to Fig. 1, it is the structural representation of the K type seal arrangement not adding cooling water in prior art.As shown in Figure 1, described K type seal arrangement comprises the first stuffing box 11, axle sleeve 12, is positioned at the oil sealing 13 outside described axle sleeve 12, inside stuffing box 11 and is positioned at the oil sealing cover 14 of oil sealing 13 end.In the K type sealing of engineering plastic pump, two or three oil sealings 13 are housed in stuffing box 11, and compress with oil sealing cover 14, the lip of oil sealing 13 contacts with the axle sleeve be contained on main shaft 10, seals.The sealing configuration of this structure is simple, and sealing effect is fair.But, in these oil sealings 13, only have that oil sealing of close impeller can by the medium cooling and lubricating in pump chamber, other oil sealing be all in dry grinding state, have impact on the working life of oil sealing.
In order to head it off, devise again the K1 type sealing being sealed evolution and next added cooling water by K type.Refer to Fig. 2, it is the structural representation of the K1 type seal arrangement that can add cooling water in prior art.It comprises the second stuffing box 15, seal cage 16 and water nozzle 17.As shown in Figure 2, described second stuffing box 15 is the rear ends increasing the first stuffing box 11, a seal cage 16 has been filled in the middle of the second stuffing box 15 right-hand member two oil sealings 13, (one of them is water inlet tap 17 to be loaded on two cooling water nozzles, another is water outlet 17) be used for water inlet and outlet, Cooling and Lubricator is carried out to oil sealing 13, extends the working life of oil sealing 13, be widely used.
But operating mode during pump operation is ever-changing, for most of operating mode, seal by K1 the cooling water added and be inhaled in Seal cage 18 because of negative pressure, enter medium, be allowed to; But some special operation condition, especially pickling iron and steel aspect, entering of cooling water, can have influence on medium purity, and this is often unallowed by user.
In order to head it off, design a kind of new dynamic seal that can prevent cooling water from entering medium just extremely urgent.
Therefore, be necessary to do further improvement to prior art
Model utility content
The defect that the purpose of this utility model is to overcome above-mentioned prior art provides a kind of new type power seal arrangement, it can add cooling water, can prevent again cooling water from entering in medium, this device both ensure that the purity of field medium, turn improved the working life of seal arrangement.
For reaching aforementioned object, a kind of new type power seal arrangement of the utility model, it comprises:
Axle sleeve, it is set on main shaft;
Several oil sealings, it is set in the outside of described axle sleeve;
Stuffing box, it is positioned at the outside of described oil sealing;
Seal cage, it is arranged in the middle of two oil sealings;
Water nozzle, it extends to described seal cage place perpendicular to described major axes orientation through described stuffing box;
Oil sealing cover, it is positioned at the end of described oil sealing and is connected with described stuffing box,
Wherein, the oil sealing of described seal cage both sides is in being oppositely arranged.
As the utility model preferred embodiment, the quantity of described oil sealing is three, it is respectively the first oil sealing, the second oil sealing and the 3rd oil sealing, the lip of described first oil sealing is towards Seal cage, described second oil sealing and the 3rd oil sealing are positioned at the both sides of described seal cage, the lip of described second oil sealing and the lip of the 3rd oil sealing respectively towards described seal cage in being oppositely arranged.
As the utility model preferred embodiment, between described seal cage and described axle sleeve, be formed with chamber.
As the utility model preferred embodiment, described water nozzle comprises water inlet tap and water outlet, and cooling water enters in chamber from water inlet tap and flows out from described water outlet after described oil sealing cooling.
As the utility model preferred embodiment, described stuffing box is connected with described oil sealing cover by screw thread.
As the utility model preferred embodiment, it also comprises oil sealing gasket, and it is arranged between described stuffing box and described oil sealing cover.
As the utility model preferred embodiment, the quantity of described oil sealing is more than three.
The beneficial effects of the utility model: compared with prior art, dynamic sealing device of the present utility model, external refrigeration water can be provided for the sealing surface of High Rotation Speed, for coolant seal face, improve the functional reliability of sealing, can prevent again cooling water from entering in medium, this device both ensure that the purity of field medium, turn improved the working life of seal arrangement, simultaneously, simplified structure, reduces costs.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme of the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.Wherein:
Fig. 1 is the structural representation of the K type seal arrangement not adding cooling water in prior art;
Fig. 2 is the structural representation of the K1 type seal arrangement that can add cooling water in prior art;
Fig. 3 is the structural representation of the utility model dynamic sealing device.
Embodiment
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in further detail the utility model below in conjunction with the drawings and specific embodiments.
Alleged herein " embodiment " or " embodiment " refers to special characteristic, structure or the characteristic that can be contained at least one implementation of the utility model.Different local in this manual " in one embodiment " occurred not all refers to same embodiment, neither be independent or optionally mutually exclusive with other embodiments embodiment.
Refer to Fig. 3, it is the structural representation of the utility model dynamic sealing device.Described dynamic sealing device comprises axle sleeve 32, oil sealing 33, stuffing box 31, seal cage 35, water nozzle 36 and oil pressure capping 34.
Described axle sleeve 32, it is set on main shaft 30.
Described oil sealing 33, it is set in the outside of described axle sleeve 32, and the lip of described oil sealing 33 contacts with described axle sleeve 32 and plays seal action.In this embodiment, the quantity of described oil sealing 33 is three, and it is respectively the first oil sealing 331, second oil sealing 332 and the 3rd oil sealing 333.The lip 3311 of described first oil sealing 331 is towards Seal cage 37, described second oil sealing 332 and the 3rd oil sealing 333 are positioned at the both sides of described seal cage 35, the lip 3321 of described second oil sealing 332 and the lip 3331 of the 3rd oil sealing 333 respectively towards described seal cage 35 in being oppositely arranged.In other embodiments, the quantity of described oil sealing can also be greater than three, and the oil sealing quantity that the quantity of seal cage and water nozzle can cool according to actual needs and determining, as long as ensure that each oil sealing can be cooled to be advisable.
Described stuffing box 31, it is positioned at the outside of described oil sealing 33, and described oil sealing cover 34 is positioned at the end of described oil sealing 33 and is connected with described stuffing box 31.Described stuffing box 31 is connected for compressing oil sealing 33 with described oil sealing cover 34 by screw thread.Wherein, when being connected with oil sealing cover 34 by stuffing box 31, between described stuffing box 31 and described oil sealing cover 34, place oil sealing gasket (not shown), to ensure sealing.
Described seal cage 35, it is arranged in the middle of two oil sealings 33.In this embodiment, described seal cage 35 is arranged between described second oil sealing 332 and the 3rd oil sealing 333.Chamber 38 is formed between described seal cage 35 and described axle sleeve 32.This chamber 38 is for flowing through cooling water.
Described water nozzle 36, it extends to described seal cage 35 place perpendicular to described main shaft 30 direction through described stuffing box 31.Described water nozzle 36 comprises water inlet tap and water outlet, it should be noted that, only indicates a water nozzle 36 in Fig. 3 of the present utility model, this water nozzle 36 is water inlet tap or water outlet, and when water nozzle 36 is water inlet tap, water outlet is out not shown, when water nozzle 36 is water outlet, water inlet tap is out not shown.Cooling water enters in chamber 38 from water inlet tap and flows out from described water outlet after described oil sealing cooling.
Please continue to refer to Fig. 3.Installation process of the present utility model is as follows: first formal dress first oil sealing 331 in stuffing box 31, by lip 3311 direction of the first oil sealing 331 towards Seal cage 37; Secondly instead the second oil sealing 332 is filled, and lip 3321 direction of the second oil sealing 332 is contrary with lip 3311 direction of the first oil sealing 331, and described second oil sealing 332 nestles up the first oil sealing 331; Load seal cage 35, formal dress the 3rd oil sealing 333 again, by the lip 3321 of lip 3331 direction of the 3rd oil sealing 333 towards described second oil sealing 332, put into oil sealing gasket, by the internal thread of the outside thread on stuffing box 31 and oil sealing cover 34, compress the first oil sealing 331, second oil sealing 332 and the 3rd oil sealing 333; Finally load onto water inlet tap and water outlet, cooling water enters in chamber 38 from described water inlet tap and cools the second oil sealing 332 and the 3rd oil sealing 333, flows out after cooling from water outlet.
It should be noted that, the utility model is in the reasonable situation of guarantee oil sealing 33 lip magnitude of interference, and vacuum cavitations is between-0.2--0.4Mpa, and oil sealing 33 just not easily weares and teares with axle sleeve 32 and damages.It should be noted that a seal cage 35 will be increased between the second oil sealing 332 and the 3rd oil sealing 333 during installation, and the second oil sealing 332 must instead fill, the anti-exactly sealing of its object of anti-dress enters in Seal cage 37, the benefit of such installation is: the first oil sealing 331 is when pump operation, directly cooled by medium, the second oil sealing 332 and the 3rd oil sealing 333 have water quench, because negative pressure is appropriate and can be cooled in time, oil sealing is energy Long-Time Service just, not fragile.
Dynamic sealing device of the present utility model, external refrigeration water can be provided for the sealing surface of High Rotation Speed, for coolant seal face, improve the functional reliability of sealing, can prevent again cooling water from entering in medium, this device both ensure that the purity of field medium, turn improve the working life of seal arrangement, meanwhile, simplified structure, reduces costs.
Above-mentioned explanation fully discloses embodiment of the present utility model.It is pointed out that the scope be familiar with person skilled in art and any change that embodiment of the present utility model is done all do not departed to claims of the present utility model.Correspondingly, the scope of claim of the present utility model is also not limited only to previous embodiment.
Claims (7)
1. a new type power seal arrangement, is characterized in that: it comprises:
Axle sleeve, it is set on main shaft;
Several oil sealings, it is set in the outside of described axle sleeve;
Stuffing box, it is positioned at the outside of described oil sealing;
Seal cage, it is arranged in the middle of two oil sealings;
Water nozzle, it extends to described seal cage place perpendicular to described major axes orientation through described stuffing box;
Oil sealing cover, it is positioned at the end of described oil sealing and is connected with described stuffing box,
Wherein, the oil sealing of described seal cage both sides is in being oppositely arranged.
2. new type power seal arrangement according to claim 1, it is characterized in that: the quantity of described oil sealing is three, it is respectively the first oil sealing, the second oil sealing and the 3rd oil sealing, the lip of described first oil sealing is towards Seal cage, described second oil sealing and the 3rd oil sealing are positioned at the both sides of described seal cage, the lip of described second oil sealing and the lip of the 3rd oil sealing respectively towards described seal cage in being oppositely arranged.
3. new type power seal arrangement according to claim 1, is characterized in that: be formed with chamber between described seal cage and described axle sleeve.
4. new type power seal arrangement according to claim 1, is characterized in that: described water nozzle comprises water inlet tap and water outlet, and cooling water enters in chamber from water inlet tap and flows out from described water outlet after described oil sealing cooling.
5. new type power seal arrangement according to claim 1, is characterized in that: described stuffing box is connected with described oil sealing cover by screw thread.
6. new type power seal arrangement according to claim 1, is characterized in that: it also comprises oil sealing gasket, and it is arranged between described stuffing box and described oil sealing cover.
7. new type power seal arrangement according to claim 1, is characterized in that: the quantity of described oil sealing is more than three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420389153.5U CN204099263U (en) | 2014-07-14 | 2014-07-14 | A kind of new type power seal arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420389153.5U CN204099263U (en) | 2014-07-14 | 2014-07-14 | A kind of new type power seal arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204099263U true CN204099263U (en) | 2015-01-14 |
Family
ID=52267695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420389153.5U Expired - Fee Related CN204099263U (en) | 2014-07-14 | 2014-07-14 | A kind of new type power seal arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204099263U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640669A (en) * | 2016-10-24 | 2017-05-10 | 宜兴市宙斯泵业有限公司 | Centrifugal slurry pump |
-
2014
- 2014-07-14 CN CN201420389153.5U patent/CN204099263U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640669A (en) * | 2016-10-24 | 2017-05-10 | 宜兴市宙斯泵业有限公司 | Centrifugal slurry pump |
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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: 20150114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |