CN204042000U - A kind of wedge shape oil seal structure for rotatingshaft air feed - Google Patents
A kind of wedge shape oil seal structure for rotatingshaft air feed Download PDFInfo
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- CN204042000U CN204042000U CN201420501181.1U CN201420501181U CN204042000U CN 204042000 U CN204042000 U CN 204042000U CN 201420501181 U CN201420501181 U CN 201420501181U CN 204042000 U CN204042000 U CN 204042000U
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- CN
- China
- Prior art keywords
- rotatingshaft
- seal ring
- oil seal
- tracheae
- air feed
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Abstract
The utility model discloses a kind of wedge shape oil seal structure for rotatingshaft air feed, comprise rotatingshaft, for installing the master bracket of rotatingshaft, be opened in the tracheae installation cavity of rotatingshaft shaft core position, and be arranged in tracheae installation cavity the interior tracheae matched, described interior tracheae is socketed with the first seal ring successively, second seal ring, sealed briquette, stage clip and sealing cover, wherein sealed briquette and the first seal ring are provided with oil seal groove towards the end face of rotatingshaft, the inner side of sealed briquette inwardly direction is an inclined-plane, first seal ring and the second seal ring lay respectively at the end, two ends on this inclined-plane.The utility model design is ingenious, formed the chamber of buffering air pressure in rotatingshaft end by the medial slope of sealed briquette, and utilize the seal ring of respective shapes to seal in interruption-forming wedge-type seal structure of leaking gas out, achieve sealing simply and effectively, the end contact place simultaneously at two, relative movement occurring arranges oil seal groove to lubricate, and increases the flexibility of rotating.
Description
Technical field
The utility model relates to the electronic machine for turning up the soil and harrowing parts of a kind of fermentation bed, particularly relates to a kind of wedge shape oil seal structure for rotatingshaft air feed.
Background technique
Electronic machine for turning up the soil and harrowing is a kind of mechanized equipment of raising the efficiency, reducing manual labor's intensity that fermentation bed cultivation technical development is promoted, as China Patent No. ZL20120172925.6, but in use a lot of user finds that although this electronic machine for turning up the soil and harrowing can play the effect of scarifying bedding and padding, but pad material fermentation is overall and abundant not, and fermentation efficiency is lower, in the fowl and animal excrement later stage for the production of not ideal enough in the purposes of organic fertilizer.The present inventor is by finding the research of microorganism fungus kind the principle of fermentation, good aerobic environment can improve the fermentation efficiency of fermented bacterium, inventor just from how for fermentation bed increases oxygen delivery volume aspect to start with seeking solution, design for electronic machine for turning up the soil and harrowing increase air supply system and by air supply system effectively with stir the oxygen enhancement concepts of harrow and combining, wherein need the problem solved to be how to ensure that stirring of machine for turning up the soil and harrowing harrows the problem that gas transmission is not leaked when rotation.
Model utility content
In order to solve the problems of the prior art, the utility model provides the wedge shape oil seal structure that a kind of structure is simple, effectively can solve electronic machine for turning up the soil and harrowing rotatingshaft axle portion's air inlet sealing problem.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of wedge shape oil seal structure for rotatingshaft air feed, comprise rotatingshaft, for installing the master bracket of rotatingshaft, be opened in the tracheae installation cavity of rotatingshaft shaft core position, and be arranged in tracheae installation cavity the interior tracheae matched, described interior tracheae is socketed with the first seal ring successively, second seal ring, sealed briquette, stage clip and sealing cover, wherein sealed briquette is provided with oil seal groove towards the end face of rotatingshaft, the inner side of sealed briquette inwardly direction is an inclined-plane, the chamber of a section shape triangular in shape is jointly formed outside this inclined-plane and rotatingshaft end and interior tracheae, first seal ring is positioned at the end of this inclined-plane near rotatingshaft, first seal ring is also provided with oil seal groove on the end face of rotatingshaft, second seal ring is positioned at the end of this inclined-plane near tracheae, sealing cover is by the first seal ring, second seal ring, sealed briquette, stage clip and rotatingshaft end to cover in it and are fixedly connected with master bracket, and the section of the first and second seal rings is all in the triangle mated with inclined-plane, the felt for oil storage is equipped with in oil seal groove.Wherein, the matching relationship of seal ring and chamber constitutes wedge-type seal structure.
For reducing ring wear, described first seal ring comprises the sealed body be made up of silicone rubber and the wearing course be made up of nitrile butadiene rubber, and wherein wearing course covers the one side of sealed body towards rotatingshaft completely.Because the second seal ring remains static in use substantially, therefore its material is identical with the sealed body material of the first seal ring, and expansion ground, the material of sealed body can also be the good rubber material of the elasticity such as fluorine rubber, ethylene propylene diene rubber.
In order to prevent sealed briquette from skidding, be provided with guiding groove in axial direction inside described sealing cover, the radial outside of sealed briquette is provided with the guide pad mated with guiding groove.
Further, the second limiting stopper for limiting the second seal ring position is provided with outside described interior tracheae.
In order to dust-proof, the side that described sealing cover and interior tracheae are socketed also is provided with oil seal groove, is also provided with felt in it.
In order to avoid rotatingshaft end wear, between described rotatingshaft end and sealed briquette, be provided with friction ring, this friction ring and rotatingshaft end winding support.
Further, described friction ring is provided with the first limiting stopper for limiting the first seal ring position.
The basis of the utility model design is, the air supply system of electronic machine for turning up the soil and harrowing is by interior tracheae conveying oxygenating air, air supply channel is provided with in the rake teeth stirring rake, the corresponding section of interior tracheae and air supply channel is provided with opening, in order to stir the rotation of rake, stirring rake with interior tracheae is Spielpassung, may cause certain gas leakage.Key of the present utility model is, cross section chamber triangular in shape is formed outside the inclined-plane of design sealed briquette, interior tracheae, between the three of rotatingshaft end, the supply gas pressure of air supply system may make this chamber supercharging by the gap of Spielpassung and leak gas thus, formed the sealing configuration of wedge shapes two positions that may leak gas by design section seal ring triangular in shape, the end contact place simultaneously at two, relative movement occurring arranges oil seal groove to lubricate, increase the flexibility of rotating, to ensure the efficient rotation of rotatingshaft.
Compared with prior art, the utility model has following beneficial effect:
(1) the utility model design is ingenious, formed the chamber of buffering air pressure in rotatingshaft end by the medial slope of sealed briquette, and utilize the seal ring of respective shapes to seal in interruption-forming wedge-type seal structure of leaking gas out, achieve sealing simply and effectively, the end contact place simultaneously at two, relative movement occurring arranges oil seal groove to lubricate, increase the flexibility of rotating, ensure that the normal gas supply under constant pressure of air supply system, for fermentation bed oxygenation, improve fermentation efficiency, improve manufacturing efficiency, and structure is simple, with low cost, easy to use safe and reliable, there is market application foreground widely, be applicable to applying.
(2) in the utility model when above-mentioned chamber produces air pressure, the seal ring that the pressure of gas can promote section triangular in shape forms actuating pressure along inclined-plane, and this is wedge-type seal structure, and pressure is larger, the plugging effect of seal ring to gap is better, thus plays the effect strengthening sealing effect.
(3) in the utility model, an end face of the first seal ring arranges wearing course, increases its rub proofness, is combined in the lubrication of oil sealing simultaneously, its frictional loss is reduced greatly, thus drastically increases the working life of parts.
(4) in the utility model, guiding groove and guide pad make sealed briquette along the circumferential direction rotate on the one hand, can seal better, on the other hand again for it provides mobile surplus at axial direction, under the effect of stage clip can stably with rotatingshaft ends contact, form sealing.
(5) limiting stopper of the present utility model can assist the seal ring of its correspondence to locate further, avoids seal ring to meet accident in equipment running process and offsets and reduce effect.
(6) friction ring of the present utility model is mainly in order to reduce the frictional loss of rotatingshaft end, protection rotatingshaft, and also only needs to change friction ring after friction ring excessive wear, effectively improves service life of equipment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the close-up schematic view at A place in Fig. 1.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, and mode of execution of the present utility model includes but not limited to the following example.
Embodiment
As depicted in figs. 1 and 2, this is used for the wedge shape oil seal structure of rotatingshaft air feed, improving, coordinating more perfect with corresponding gas-supplying structure mainly for stirring rake end.The present embodiment is first briefly described the gas-supplying structure of coupling, first stir rake to be made up of rotatingshaft and the several rake teeths being looped around the setting of rotatingshaft surface, rotatingshaft consists of the mechanisms such as bearing and master bracket and is rotationally connected, air supply channel is provided with in rake teeth, tracheae installation cavity is provided with in rotatingshaft, this air supply channel is communicated with tracheae installation cavity, interior tracheae to be placed in tracheae installation cavity Spielpassung with it, and the corresponding position of interior tracheae and air supply channel is provided with opening, to ventilate, so make interior tracheae to fix always, and stir rake can by drive rotate carry out ferment bedding and padding turn over rake, can be that fermentation tank inside supplements more air/oxygen when turning over rake simultaneously, promote the aerobic fermentation of microorganism fungus kind.
On this basis, the parts that the utility model relates to electronic machine for turning up the soil and harrowing have rotatingshaft 2, master bracket 1, tracheae installation cavity 3 and interior tracheae 4, wherein, rotatingshaft is arranged on master bracket, tracheae installation cavity offers rotatingshaft shaft core position, and the two is coaxial, interior tracheae and tracheae installation cavity Spielpassung, interior tracheae outer end is communicated with air supply system.First seal ring 5, second seal ring 6, sealed briquette 7, stage clip 8 and sealing cover 9 are placed on interior tracheae successively, and it is all coaxial with it, wherein, the inner side of sealed briquette inwardly direction is an inclined-plane (namely towards the junction of rotatingshaft end and interior tracheae), jointly section chamber 10 triangular in shape is formed outside this inclined-plane and rotatingshaft end and interior tracheae, first seal ring is positioned at the end of this inclined-plane near rotatingshaft, second seal ring is positioned at the end of this inclined-plane near tracheae, sealing cover is by the first seal ring, second seal ring, sealed briquette, stage clip and rotatingshaft end to cover in it and are fixedly connected with master bracket, and the section of the first and second seal rings is all in the triangle mated with inclined-plane, wedge-type seal structure is constituted with this.For increasing the lubricity of the relative movement of sealed briquette and the first seal ring and rotatingshaft end, sealed briquette and the first seal ring are respectively equipped with oil seal groove 16 on the end face of rotatingshaft, are equipped with the felt for oil storage in it.
Further, for reducing ring wear, first seal ring comprises the sealed body 51 be made up of silicone rubber and the wearing course 52 be made up of nitrile butadiene rubber, wherein wearing course covers the one side of sealed body towards rotatingshaft completely, and this structure and oil seal groove respective outer side edges drastically increase the working life of relative movement end face.Because the second seal ring remains static in use substantially, therefore its material is identical with the sealed body material of the first seal ring, and expansion ground, the material of sealed body can also be the good rubber material of the elasticity such as fluorine rubber, ethylene propylene diene rubber.
In order to prevent sealed briquette from skidding, be provided with guiding groove 11 in axial direction inside described sealing cover, the radial outside of sealed briquette is provided with the guide pad 12 mated with guiding groove.For the ease of the second seal ring location, outside described interior tracheae, be provided with the second limiting stopper 14 for limiting the second seal ring position.In order to avoid rotatingshaft end wear, between described rotatingshaft end and sealed briquette, be provided with friction ring 15, this friction ring and rotatingshaft end winding support.For the ease of the first seal ring location, described friction ring is provided with the first limiting stopper 13 for limiting the first seal ring position.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
According to above-described embodiment, just the utility model can be realized well.What deserves to be explained is; under prerequisite based on said structure design; for solving same technical problem; even if some making on the utility model are without substantial change or polishing; the essence of the technological scheme adopted is still consistent with the utility model, also should in protection domain of the present utility model.
Claims (7)
1. the wedge shape oil seal structure for rotatingshaft air feed, comprise rotatingshaft, for installing the master bracket of rotatingshaft, be opened in the tracheae installation cavity of rotatingshaft shaft core position, and be arranged in tracheae installation cavity the interior tracheae matched, it is characterized in that, described interior tracheae is socketed with the first seal ring successively, second seal ring, sealed briquette, stage clip and sealing cover, wherein sealed briquette is provided with oil seal groove towards the end face of rotatingshaft, the inner side of sealed briquette inwardly direction is an inclined-plane, the chamber of a section shape triangular in shape is jointly formed outside this inclined-plane and rotatingshaft end and interior tracheae, first seal ring is positioned at the end of this inclined-plane near rotatingshaft, first seal ring is also provided with oil seal groove on the end face of rotatingshaft, second seal ring is positioned at the end of this inclined-plane near tracheae, sealing cover is by the first seal ring, second seal ring, sealed briquette, stage clip and rotatingshaft end to cover in it and are fixedly connected with master bracket, and the section of the first and second seal rings is all in the triangle mated with inclined-plane, the felt for oil storage is equipped with in oil seal groove.
2. a kind of wedge shape oil seal structure for rotatingshaft air feed according to claim 1, it is characterized in that, described first seal ring comprises the sealed body be made up of silicone rubber and the wearing course be made up of nitrile butadiene rubber, and wherein wearing course covers the one side of sealed body towards rotatingshaft completely.
3. a kind of wedge shape oil seal structure for rotatingshaft air feed according to claim 1, it is characterized in that, be provided with guiding groove in axial direction inside described sealing cover, the radial outside of sealed briquette is provided with the guide pad mated with guiding groove.
4. a kind of wedge shape oil seal structure for rotatingshaft air feed according to claim 1, is characterized in that, is provided with the second limiting stopper for limiting the second seal ring position outside described interior tracheae.
5. a kind of wedge shape oil seal structure for rotatingshaft air feed according to claim 1, it is characterized in that, the side that described sealing cover and interior tracheae are socketed also is provided with oil seal groove, is also provided with felt in it.
6. a kind of wedge shape oil seal structure for rotatingshaft air feed according to any one of claim 1 ~ 5, is characterized in that, be provided with friction ring between described rotatingshaft end and sealed briquette, this friction ring and rotatingshaft end winding support.
7. a kind of wedge shape oil seal structure for rotatingshaft air feed according to claim 6, is characterized in that, described friction ring is provided with the first limiting stopper for limiting the first seal ring position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420501181.1U CN204042000U (en) | 2014-09-02 | 2014-09-02 | A kind of wedge shape oil seal structure for rotatingshaft air feed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420501181.1U CN204042000U (en) | 2014-09-02 | 2014-09-02 | A kind of wedge shape oil seal structure for rotatingshaft air feed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204042000U true CN204042000U (en) | 2014-12-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420501181.1U Expired - Fee Related CN204042000U (en) | 2014-09-02 | 2014-09-02 | A kind of wedge shape oil seal structure for rotatingshaft air feed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204042000U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805315A (en) * | 2016-05-13 | 2016-07-27 | 镇江颀龙科技有限公司 | Sealing device |
| CN107956877A (en) * | 2017-11-24 | 2018-04-24 | 广州市昊志机电股份有限公司 | A kind of sealing structure for shaft end |
-
2014
- 2014-09-02 CN CN201420501181.1U patent/CN204042000U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805315A (en) * | 2016-05-13 | 2016-07-27 | 镇江颀龙科技有限公司 | Sealing device |
| CN107956877A (en) * | 2017-11-24 | 2018-04-24 | 广州市昊志机电股份有限公司 | A kind of sealing structure for shaft end |
| CN107956877B (en) * | 2017-11-24 | 2023-11-14 | 广州市昊志机电股份有限公司 | Sealing structure for shaft end |
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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: 20141224 Termination date: 20150902 |
|
| EXPY | Termination of patent right or utility model |