CN202001514U - Novel sealing structure for spline joint of coupler - Google Patents
Novel sealing structure for spline joint of coupler Download PDFInfo
- Publication number
- CN202001514U CN202001514U CN2011200002475U CN201120000247U CN202001514U CN 202001514 U CN202001514 U CN 202001514U CN 2011200002475 U CN2011200002475 U CN 2011200002475U CN 201120000247 U CN201120000247 U CN 201120000247U CN 202001514 U CN202001514 U CN 202001514U
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- CN
- China
- Prior art keywords
- sealing
- protective cover
- spline
- cover
- protective housing
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- Expired - Lifetime
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Abstract
The utility model discloses a novel sealing structure for spline joint of a coupler, comprising a splined hub sheathed on a spline, a protective cover and a sealing cover. The sealing structure is characterized in that the sealing cover is arranged between the splined hub and the protective cover, and is in interference fit with the protective cover; and a set screw is fastened at the joint of the end surfaces of the sealing cover and the protective cover. In the structure, as the protective cover is in interference fit with the sealing cover, the problems of welding deformation of a thin-wall part and blocking of a spline pair in sliding with the existing welding structure type are eliminated, and the concentricity of the protective cover and the sealing cover after being assembled is guaranteed, so that the sealing effect is more reliable, and further the rotating precision of a transmission shaft is improved. Furthermore, the structure is simple, the assembly is convenient, and a sealing element is easy to disassemble and replace, thereby being good for improving the dynamic balance precision of the transmission shaft. The novel sealing structure can be widely applied to transmission systems which are capable of adjusting the coupling length and need a good sealing environment in the metallurgical machinery field and other fields.
Description
Technical field
The utility model relates to the drive train arrangement of coupling, the transmission shaft sealing configuration when relating in particular to the connection of coupling use spline pair.
Background technique
Coupling is the important foundation part that mechanical transmission connects, use extremely wide, belong to easily damaged parts, except that transmitting torque or motion, many occasions also require coupling to have scalability, can compensate diaxon relativity shift, vibration damping, buffering, raising transmission efficiency, improve transmission accuracy, energy-conservation, improve the transmission system service behaviour, and require coupling on-line maintenance convenience, scalable length, convenient on-the-spot installing/dismounting, simple in structure, good manufacturability, reliability height, be convenient to manufacturing, price is low, replacing is quick.Therefore, the band spline pair can realize that the coupling that stretches has obtained widely using, and it can be applicable to the both ends or one end coupling arrangement and can float in different working positions, in addition, it can realize field erected fast, convenient etc.But,, therefore need take good seal protection to the spline pair that can realize telescopic section because the operating mode of most of production scene is more abominable.The spline pair sealing configuration of existing this type of coupling is a Type of Welding; be that the thin walled tube protective housing connects by Type of Welding with stuffing box gland; because the thin-wall part welding very easily produces the welding deformation problem; cause assembling back sealing surface and protective housing decentraction; the coupling of having relatively high expectations for dynamic balance accuracy just can not satisfy usage requirement well like this; and stuck phenomenon appears when spline pair need slide easily; make caulking gum destroyed; thereby the effect of sealing weakens; and then can not protect spline pair well; cause water; water vapor and dust etc. enter spline pair and produce corrosion and be mingled with accelerated wear test, shorten the working life of coupling.
The model utility content
Technical problem to be solved in the utility model provides a kind of sealing configuration of coupling splined, and it has avoided the problem on deformation of thin-wall part welding, has guaranteed the coaxality of sealing surface and protective housing, makes sealing effect more reliable.
The novel sealing structure of this novel coupler splined comprises the spline housing, protective housing, the stuffing box gland that are enclosed within on the spline, it is characterized in that: stuffing box gland is arranged between spline housing and the protective housing, and it and protective housing are interference fit; End face junction at stuffing box gland and protective housing is fastened with Cock screw.
Cooperating between protective housing and the stuffing box gland is interference fit in the utility model, the mode that is pressed into by machinery during assembling (hot charging or cold charge form) is pressed into protective housing with stuffing box gland, in the end face junction of stuffing box gland and protective housing processing screw hole, the positioning screwn of packing into prevents that junction plane from skidding then.
Stuck problem when the utility model has been eliminated the thin-wall part welding deformation of existing welded structure pattern and spline pair and slided has guaranteed the concentricity after protective housing and stuffing box gland assemble, and makes sealing effect more reliable, and then has improved the running accuracy of transmission shaft.And it is simple in structure, and is easy to assembly, is easy to dismounting and changes Sealing, for the dynamic balance accuracy that improves transmission shaft good effect is arranged.Sealing configuration of the present utility model can need the can regulate of excellent sealing environment to connect extensive use in the transmission system of shaft length in fields such as metallurgical machinery.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in detail:
Fig. 1 is the schematic representation of the utility model sealing configuration;
Fig. 2 is the enlarged diagram at A place among Fig. 1;
Fig. 3 is the schematic representation of existing sealing configuration.
Embodiment
From Fig. 1 and Fig. 2 as can be known, the novel sealing structure of the utility model coupling splined, comprise the spline housing 1, protective housing 2, the stuffing box gland 3 that are enclosed within on the spline, it is characterized in that: stuffing box gland 3 is arranged between spline housing 1 and the protective housing 2, and it and protective housing 2 are interference fit; End face junction at stuffing box gland 3 and protective housing 2 is fastened with Cock screw 5.
Cooperating between protective housing and the stuffing box gland is interference fit in the utility model, the mode that is pressed into by machinery during assembling (hot charging or cold charge form) is pressed into protective housing with stuffing box gland, in the end face junction of stuffing box gland and protective housing processing screw hole, the positioning screwn of packing into prevents that junction plane from skidding then.
As this novel a kind of optimal way, be provided with two caulking gums 4 between stuffing box gland 3 and the spline housing 1.This double sealing structure can improve the coaxality and the sealability of assembling back sealing surface and protective housing greatly, and then has improved the running accuracy of transmission shaft.
Stuck problem when the utility model has been eliminated the thin-wall part welding deformation of existing welded structure pattern and spline pair and slided has guaranteed the concentricity after protective housing and stuffing box gland assemble, and makes sealing effect more reliable, and then has improved the running accuracy of transmission shaft.And it is simple in structure, and is easy to assembly, is easy to dismounting and changes Sealing, for the dynamic balance accuracy that improves transmission shaft good effect is arranged.Sealing configuration of the present utility model can need the can regulate of excellent sealing environment to connect extensive use in the transmission system of shaft length in fields such as metallurgical machinery.
Claims (2)
1. the novel sealing structure of coupling splined, comprise the spline housing (1), protective housing (2), the stuffing box gland (3) that are enclosed within on the spline, it is characterized in that: stuffing box gland (3) is arranged between spline housing (1) and the protective housing (2), and it and protective housing (2) are interference fit; End face junction at stuffing box gland (3) and protective housing (2) is fastened with Cock screw (5).
2. sealing configuration according to claim 1 is characterized in that: be provided with two caulking gums (4) between stuffing box gland (3) and the spline housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200002475U CN202001514U (en) | 2011-01-04 | 2011-01-04 | Novel sealing structure for spline joint of coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200002475U CN202001514U (en) | 2011-01-04 | 2011-01-04 | Novel sealing structure for spline joint of coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202001514U true CN202001514U (en) | 2011-10-05 |
Family
ID=44704257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200002475U Expired - Lifetime CN202001514U (en) | 2011-01-04 | 2011-01-04 | Novel sealing structure for spline joint of coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202001514U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561556A (en) * | 2018-07-20 | 2018-09-21 | 株洲时代新材料科技股份有限公司 | The method and torsion bar end sealing structure for preventing galvanic corrosion by sealing |
-
2011
- 2011-01-04 CN CN2011200002475U patent/CN202001514U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561556A (en) * | 2018-07-20 | 2018-09-21 | 株洲时代新材料科技股份有限公司 | The method and torsion bar end sealing structure for preventing galvanic corrosion by sealing |
| CN108561556B (en) * | 2018-07-20 | 2024-05-07 | 株洲时代新材料科技股份有限公司 | Method for preventing galvanic corrosion by sealing and sealing structure at end of torsion bar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 243100 Ma'anshan economic and Technological Development Zone, Anhui, Chao Shan Road, No. 669 Patentee after: Taier Heavy Industry Co., Ltd. Address before: 243100 No. 18 Hongqi South Road, Ma'anshan economic and Technological Development Zone, Anhui Patentee before: Anhui Taier Heavy Industry Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111005 |