CN203410968U - Star discharger and seal structure thereof - Google Patents
Star discharger and seal structure thereof Download PDFInfo
- Publication number
- CN203410968U CN203410968U CN201320447919.6U CN201320447919U CN203410968U CN 203410968 U CN203410968 U CN 203410968U CN 201320447919 U CN201320447919 U CN 201320447919U CN 203410968 U CN203410968 U CN 203410968U
- Authority
- CN
- China
- Prior art keywords
- framework oil
- outside framework
- sealing
- oil seal
- 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
Images
Abstract
The utility model discloses a star discharger and a seal structure of the star discharger, in order to overcome the defects that a seal structure used for a star discharger at present is great in abrasion and the seal effect is poor. The seal structure comprises a seal body (21) containing a seal chamber, framework oil seals (22) made of abrasion-resistant materials and a seal shaft sleeve (25) two sides of which are respectively provided with at least one framework oil seal (22); the framework oil seals (22) and the seal shaft sleeve (25) are arranged in a compression device in the seal chamber in a sealing mode; the wall of the seal body (21) is provided with a lubricating nipple (23) communicated with the seal chamber and an air access entry (24). According to the star discharger provided by the embodiment of the utility model, parts such as the framework oil seals are lubricated by lubricating oil, and the framework oil seals can be effectively prevented from being worn. The star discharger provided by the embodiment of the utility model changes the use of the seal structure, and the maintaining times can be obviously reduced, so that the maintaining cost can be reduced.
Description
Technical field
The utility model relates to a kind of discharger, relates in particular to a kind of star-like discharger and hermetically-sealed construction thereof.
Background technology
As shown in Figure 1, current star-like discharger mainly comprises bearing 1, end cap 2, rotor 3, housing 4 and reducing motor 5 etc.Wherein on end cap 2, be provided with hermetically-sealed construction, sealing structure mainly includes filler chamber 6, filler 7, filler chamber's gland 8 and filler chamber's dog bolt 9 etc.
The Main Function of star-like discharger is to regulate the inventory of carrying by controlling the rotative speed of rotor.On rotor 3, there is center shaft.Hermetically-sealed construction mainly seals the binding site of rotor 3 and end cap 2.
The hermetically-sealed construction using on current star-like discharger is all packing seal, as packing, and tetrafluoro filler etc.As shown in fig. 1, filler 7 is arranged in filler chamber 6, by tightening filler chamber's dog bolt 9, regulates filler chamber's gland 8.By the extruding of 8 pairs of fillers 7 of filler chamber's gland, make filler 7 that deformation occur, be tightly close to the surface of the center shaft on rotor 3, when rotor 3 rotates together with center shaft, between filler 7 and center shaft, there is cliding friction, by the binding face between filler 7 and center shaft, reach the object of sealing.
This hermetically-sealed construction major defect is to wear and tear greatlyr, needs periodic replacement, and for material in discharger, has and in the situation of positive pressure, be difficult to guarantee sealing effectiveness.
Utility model content
Technical problem to be solved in the utility model is to overcome the hermetically-sealed construction using at present on star-like discharger to wear and tear greatly and the poor deficiency of sealing effectiveness.
In order to solve the problems of the technologies described above, the utility model provides a kind of hermetically-sealed construction of star-like discharger, described hermetically-sealed construction comprises that the sealing member (21) that contains sealed chamber, the outside framework oil seal (22), the both sides that adopt high-abrasive material to make are respectively provided with the sealing axle sleeve (25) of outside framework oil seal (22) described at least one, described outside framework oil seal (22) and sealing axle sleeve (25) sealing are arranged on to the pinch device in described sealed chamber, on the wall of described sealing member (21), are provided with the oil nipple (23) and the air access port (24) that are connected with described sealed chamber.
Preferably, described pinch device comprises that sealing hides the gland cover (26) of described outside framework oil seal (22) and sealing axle sleeve (25), and described gland cover is fixedly connected on to the dog bolt (27) on described sealing member (21) wall.
Preferably, the outer ring of described outside framework oil seal (22) and described sealing member (21) inwall close contact.
Preferably, described oil nipple (23) and air access port (24) are connected with described sealed chamber by the hole on described sealing axle sleeve (25) groove.
The application's embodiment also provides a kind of star-like discharger, comprise end cap (20) and rotor (30), it is characterized in that, described end cap is provided with hermetically-sealed construction on (20), described hermetically-sealed construction comprises the sealing member (21) that contains sealed chamber, the outside framework oil seal (22) that adopts high-abrasive material to make, both sides are respectively provided with the sealing axle sleeve (25) of outside framework oil seal (22) described at least one, described outside framework oil seal (22) and sealing axle sleeve (25) sealing are arranged on to the pinch device in described sealed chamber, on the wall of described sealing member (21), be provided with the oil nipple (23) and the air access port (24) that are connected with described sealed chamber, described outside framework oil seal (22) is all inner towards described discharger with a side of spring, and the inner ring of described outside framework oil seal (22) all contacts with the center shaft of described rotor (30).
Preferably, described pinch device comprises that sealing hides the gland cover (26) of described outside framework oil seal (22) and sealing axle sleeve (25), and described gland cover is fixedly connected on to the dog bolt (27) on described sealing member (21) wall.
Preferably, the outer ring of described outside framework oil seal (22) and described sealing member (21) inwall close contact.
Preferably, described oil nipple (23) and air access port (24) are connected with described sealed chamber by the hole on described sealing axle sleeve (25) groove.
Compared with prior art, the hermetically-sealed construction of the embodiment of the present application, seals by gas, even if exist the situation of positive pressure also can reach good sealing effectiveness in discharger.The star-like discharger of the embodiment of the present application, adopts lubricating oil to be lubricated to positions such as outside framework oil seals, can effectively avoid the wearing and tearing of outside framework oil seal.The star-like discharger of the embodiment of the present application, has changed the use of hermetically-sealed construction, can obviously reduce the number of times of maintenance, reduces maintenance cost.
Accompanying drawing explanation
Fig. 1 is the organigram of star-like discharger in prior art.
Fig. 2 is the organigram of the hermetically-sealed construction of the embodiment of the present application.
Fig. 3 is the organigram of the star-like discharger of the embodiment of the present application.
The specific embodiment
Below with reference to drawings and Examples, describe embodiment of the present utility model in detail, to the utility model, how application engineering means solve technical matters whereby, and the implementation procedure of reaching technique effect can fully understand and implement according to this.Each feature in the embodiment of the present application and embodiment, the mutually combining under prerequisite of not conflicting mutually, all within protection domain of the present utility model.
As shown in Figure 2, the hermetically-sealed construction of the star-like discharger of the embodiment of the present application mainly comprises the sealing member 21 that contains sealed chamber, outside framework oil seal 22, oil nipple 23, air access port 24, sealing axle sleeve 25, gland cover 26 and the dog bolt 27 etc. that adopt high-abrasive material to make.
The both sides of sealing axle sleeve 25 are respectively provided with at least one outside framework oil seal 22.The outer ring of outside framework oil seal 22 and sealing member 21 inwall close contacts.
On the wall of sealing member 21, be provided with the oil nipple 23 and the air access port 24 that are connected with the sealed chamber of sealing member 21.
The oil nipple 23 arranging on wall by sealing member 21, can, to outside framework oil seal 22 charging-up lubricant oils in the sealed chamber of sealing member 21, be lubricated outside framework oil seal 22 by oil nipple 23.Wherein, oil nipple 23 is connected with the sealed chamber of sealing member 21 by the hole on sealing axle sleeve 25 grooves.
The air access port 24 arranging on wall by sealing member 21, can be by outside pressurized air in the sealed chamber by the hole indentation sealing body 21 on sealing axle sleeve 25 grooves by air access port.
Outside framework oil seal 22 and sealing axle sleeve 25 are arranged in the sealed chamber of sealing member 21 by including the pinch device sealing of gland cover 26 and dog bolt 27.Gland cover 26 sealings cover in outside framework oil seal 22 and sealing axle sleeve 25, and dog bolt 27 is fixedly connected on gland cover 26 on the wall of sealing member 21.Gland cover 26 and dog bolt 27 combine, and the outside framework oil seal 22 in the sealed chamber of sealing member 21 and sealing axle sleeve 25 etc. are fixed.
The star-like discharger of the embodiment of the present application, as shown in Figure 3, mainly comprises bearing 10, end cap 20, rotor 30 and housing 40, is provided with hermetically-sealed construction as above on end cap 20.It should be noted that the schematic diagram of hermetically-sealed construction shown in Fig. 2 is the partial enlarged drawing at the position of star-like discharger A shown in Fig. 3.
Sealing member 21 in hermetically-sealed construction is fixed together with end cap 20.Outside framework oil seal 22 is arranged on the inside of the sealed chamber of sealing member 21, the outer ring of outside framework oil seal 22 and sealing member 21 inwall close contacts, the inner side of outside framework oil seal 22 (being with spring one side) is all towards discharger inner (being material one side), the inner ring of outside framework oil seal 22 all contacts with the center shaft of rotor 30, and contact surface is sealing surface.
In the application's embodiment, when mounting framework oil sealing 22, inner side (being with spring one side) is towards material or housing 40 inner chambers, arranged outside sealing axle sleeve 25, then be close to sealing axle sleeve 25, two outside framework oil seals 22 are set again, by gland cover 26 and dog bolt 27, three outside framework oil seals 22 and a sealing axle sleeve 25 are fixing.Afterwards, then oil nipple 23 and air access port 24 be installed.After installation, outside framework oil seal 23 is all in absolute rest state, and the center shaft of rotor 30 rotates with respect to outside framework oil seal 23.
When pressurized air enters by air access port 24 after the sealed chamber of sealing member 21, can in sealed chamber, produce certain pressure.When the pressure in sealed chamber acquires a certain degree, can be by the outside distending of outside framework oil seal 22 near housing 40 inner chamber places, make to produce one deck air film between outside framework oil seal 22 and the center shaft of rotor 30, also produce certain impulsive force simultaneously, stop thus the material in star-like discharging device excessive, reach good sealing effectiveness.
Although the disclosed embodiment of the utility model as above, the embodiment that described content only adopts for ease of understanding the utility model, not in order to limit the utility model.Those of skill in the art under any the utility model; do not departing under the prerequisite of the disclosed spirit and scope of the utility model; can in the form of implementing and details, carry out any modification and variation; but scope of patent protection of the present utility model, still must be as the criterion with the scope that appending claims was defined.
Claims (8)
1. the hermetically-sealed construction of a star-like discharger, it is characterized in that, described hermetically-sealed construction comprises that the sealing member (21) that contains sealed chamber, the outside framework oil seal (22), the both sides that adopt high-abrasive material to make are respectively provided with the sealing axle sleeve (25) of outside framework oil seal (22) described at least one, described outside framework oil seal (22) and sealing axle sleeve (25) sealing are arranged on to the pinch device in described sealed chamber, on the wall of described sealing member (21), are provided with the oil nipple (23) and the air access port (24) that are connected with described sealed chamber.
2. hermetically-sealed construction according to claim 1, it is characterized in that, described pinch device comprises that sealing hides the gland cover (26) of described outside framework oil seal (22) and sealing axle sleeve (25), and described gland cover is fixedly connected on to the dog bolt (27) on described sealing member (21) wall.
3. hermetically-sealed construction according to claim 1, is characterized in that, the outer ring of described outside framework oil seal (22) and described sealing member (21) inwall close contact.
4. hermetically-sealed construction according to claim 1, is characterized in that, described oil nipple (23) and air access port (24) are connected with described sealed chamber by the hole on described sealing axle sleeve (25) groove.
5. a star-like discharger, comprise end cap (20) and rotor (30), it is characterized in that, described end cap is provided with hermetically-sealed construction on (20), described hermetically-sealed construction comprises the sealing member (21) that contains sealed chamber, the outside framework oil seal (22) that adopts high-abrasive material to make, both sides are respectively provided with the sealing axle sleeve (25) of outside framework oil seal (22) described at least one, described outside framework oil seal (22) and sealing axle sleeve (25) sealing are arranged on to the pinch device in described sealed chamber, on the wall of described sealing member (21), be provided with the oil nipple (23) and the air access port (24) that are connected with described sealed chamber, described outside framework oil seal (22) is all inner towards described discharger with a side of spring, and the inner ring of described outside framework oil seal (22) all contacts with the center shaft of described rotor (30).
6. star-like discharger according to claim 5, it is characterized in that, described pinch device comprises that sealing hides the gland cover (26) of described outside framework oil seal (22) and sealing axle sleeve (25), and described gland cover is fixedly connected on to the dog bolt (27) on described sealing member (21) wall.
7. star-like discharger according to claim 5, is characterized in that, the outer ring of described outside framework oil seal (22) and described sealing member (21) inwall close contact.
8. star-like discharger according to claim 5, is characterized in that, described oil nipple (23) and air access port (24) are connected with described sealed chamber by the hole on described sealing axle sleeve (25) groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320447919.6U CN203410968U (en) | 2013-07-25 | 2013-07-25 | Star discharger and seal structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320447919.6U CN203410968U (en) | 2013-07-25 | 2013-07-25 | Star discharger and seal structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203410968U true CN203410968U (en) | 2014-01-29 |
Family
ID=49973876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320447919.6U Expired - Fee Related CN203410968U (en) | 2013-07-25 | 2013-07-25 | Star discharger and seal structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203410968U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105600196A (en) * | 2016-01-23 | 2016-05-25 | 嘉兴恒创电力设计研究院有限公司嘉善分公司 | Ash warehouse system |
| CN107140451A (en) * | 2017-06-12 | 2017-09-08 | 合肥固泰自动化有限公司 | A kind of spoke rotor given quantity feeding device |
| CN107324058A (en) * | 2017-05-27 | 2017-11-07 | 杨朴 | A kind of pressure-resistant revolving plow reclaimer |
| CN109455525A (en) * | 2018-12-27 | 2019-03-12 | 张家港市锦明环保工程装备有限公司 | Frequency conversion recycles batcher |
-
2013
- 2013-07-25 CN CN201320447919.6U patent/CN203410968U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105600196A (en) * | 2016-01-23 | 2016-05-25 | 嘉兴恒创电力设计研究院有限公司嘉善分公司 | Ash warehouse system |
| CN107324058A (en) * | 2017-05-27 | 2017-11-07 | 杨朴 | A kind of pressure-resistant revolving plow reclaimer |
| CN107140451A (en) * | 2017-06-12 | 2017-09-08 | 合肥固泰自动化有限公司 | A kind of spoke rotor given quantity feeding device |
| CN109455525A (en) * | 2018-12-27 | 2019-03-12 | 张家港市锦明环保工程装备有限公司 | Frequency conversion recycles batcher |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203410968U (en) | Star discharger and seal structure thereof | |
| CN201526675U (en) | Novel dynamic sealing device for gas | |
| CN103075347A (en) | Gap self-adaptive mixed type dual-sealing structure for roots pump drive end | |
| CN202392110U (en) | Shaft sealing device of horizontal scraper centrifuge | |
| CN201827079U (en) | Seal structure of rotary shaft of roots blower | |
| CN103803305A (en) | Double-sealed rotary valve | |
| CN105387209A (en) | Low-speed rotary sealing device | |
| CN201348040Y (en) | Adjustable self-compensation shaft sealing mechanism | |
| CN103629357A (en) | Sealing mechanism for vane type rotary valve | |
| CN104100524A (en) | Roots blower with combined sealing structure | |
| CN204493729U (en) | Exciting device for dust atmosphere seals quiet dish, Moving plate and labyrinth gland | |
| CN102011865A (en) | Split type solid dust mechanical seal system | |
| CN203751024U (en) | Improved rotating joint for uncoiler | |
| CN201851668U (en) | Shaft end sealing device | |
| CN203809695U (en) | Medium speed coal mill lower frame body outer gas sealing device | |
| CN207034005U (en) | A kind of new jaw breaks machine bearing sealing structure | |
| CN204300138U (en) | Bearing seal mounting structure and rotary type casing screen equipment | |
| CN105090540B (en) | Valve | |
| CN205678251U (en) | Hot blast regulation Circular ventilation door axle head composite sealing assembly | |
| CN102563076A (en) | Shaft seal device | |
| CN103818725B (en) | Mechanical Sealed Type rotovalve | |
| CN102878297A (en) | Sealing device for rotary shaft of twin-screw feed desulfurization unit for scrap tire powder | |
| CN205392346U (en) | Non -maintaining compression roller is gland and compression roller assembly for assembly | |
| CN206918251U (en) | One kind exempts from the energy-saving pressure roller assembly that refuels | |
| CN201801851U (en) | Wall-through sealing device for steel dam bottom shaft |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215433 No. 2, GCL Middle Road, Taicang Port Development Zone, Suzhou, Jiangsu Patentee after: Beixin building materials (Suzhou) Co.,Ltd. Address before: 215433 No. 2, GCL Middle Road, Taicang Port Development Zone, Suzhou, Jiangsu Patentee before: BNBM Taicang Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140129 |