CN211343780U - Through type cardan shaft structure - Google Patents
Through type cardan shaft structure Download PDFInfo
- Publication number
- CN211343780U CN211343780U CN201922277684.0U CN201922277684U CN211343780U CN 211343780 U CN211343780 U CN 211343780U CN 201922277684 U CN201922277684 U CN 201922277684U CN 211343780 U CN211343780 U CN 211343780U
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- flange
- shaft
- outer ring
- sleeve
- spline
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Abstract
The utility model relates to a through type universal shaft structure, which comprises an external tooth shaft sleeve, wherein one end of the external tooth shaft sleeve is matched with one end of a connecting flange to form a first spline pair, a plurality of bearings are matched on the outer ring of the connecting flange, and the outer ring of each bearing is coated by a retainer together; one end of the retainer is in sealing fit with the outer ring of one end of the connecting flange, the other end of the retainer is fixedly connected with a gland, and the gland is in sealing fit with the outer ring of the external gear shaft sleeve; the utility model discloses a set up the spline pair between external tooth axle sleeve and flange to and set up the bearing in flange's outer lane, make external tooth axle sleeve and flange's axial length shorten, make roll end length reduce substantially from this, utilize this length that shortens the space and can effectively increase the integral key shaft, thereby make universal joint obtain bigger flexible volume.
Description
Technical Field
The utility model relates to an cardan shaft field especially relates to a be applied to finish rolling's through type cardan shaft structure.
Background
At present, long flexible drum-shaped tooth-type coupling is widely used along with the high requirement of rolling speed and precision, but the roller end assembly length of this type of coupling structure is longer, and because it has longer flexible volume to make the arrangement space of this type of coupling structure need very big, but to the place that the area is less the secondary structure has taken up place space greatly, consequently urgent need design a new cardan shaft structure.
SUMMERY OF THE UTILITY MODEL
The applicant aims at the existing problems and carries out research and improvement, and provides a through type cardan shaft structure which can not only save the arrangement space, but also increase the long telescopic amount, and effectively meet the requirements of customers.
The utility model discloses the technical scheme who adopts as follows:
a penetrating type universal shaft structure comprises an external tooth shaft sleeve, wherein one end of the external tooth shaft sleeve is matched with one end of a connecting flange to form a first spline pair, a plurality of bearings are matched with the outer ring of the connecting flange, the outer rings of the bearings are coated by a retainer, one end of the retainer is in sealing fit with the outer ring of one end of the connecting flange, the other end of the retainer is fixedly connected with a gland, and the gland is in sealing fit with the outer ring of the external tooth shaft sleeve; the other end of flange and the one end rigid coupling of first flange fork, the one end of first welding flange fork is connected through first cross package to the other end of first flange fork, the other end of first welding flange fork is connected with the one end of integral key shaft, the other end of integral key shaft and the cooperation of the sleeve inner circle of spline housing form the second spline pair, the second welding flange fork is connected through second cross package to the one end that the spline housing did not cooperate the integral key shaft, the one end rigid coupling second flange fork of second welding flange fork.
The further technical scheme is as follows:
one end of the external gear shaft sleeve extends along the axial direction to form a shaft part, and the outer ring of the shaft part is provided with spline teeth; an open slot is formed in one end, matched with the external gear shaft sleeve, of the connecting flange, and a spline slot used for being matched with spline teeth is formed in the slot wall of the open slot;
and the inner ring of the connecting flange also extends along the radial direction to form a limiting part for limiting the external gear shaft sleeve, and a plurality of mounting holes are formed in the limiting part along the circumferential direction.
The utility model has the advantages as follows:
the utility model discloses simple structure, convenient to use is through setting up the spline pair between external tooth axle sleeve and flange to and set up the bearing in flange's outer lane, makes external tooth axle sleeve and flange's axial length shorten, makes roll end length reduce substantially from this, utilizes this length that shortens the space and can effectively increase the integral key shaft, thereby makes universal coupling obtain bigger flexible volume, has that bearing capacity is big, long service life's advantage.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a partial structure of the present invention.
Fig. 3 is the installation schematic diagram of the external gear shaft sleeve and the connecting flange of the present invention.
Wherein: 1. an external gear shaft sleeve; 101. a shaft portion; 2. a gland; 3. a seal ring; 4. a bearing; 5. a holder; 6. a connecting flange; 601. a limiting part; 602. an open slot; 7. a first flange yoke; 8. a first cross pack; 9. a first welding flange yoke; 10. a spline housing; 11. a twentieth packet; 12. a second welding flange yoke; 13. a second flange yoke; 14. a spline shaft.
Detailed Description
The following describes embodiments of the present invention.
As shown in fig. 1, a through type universal shaft structure includes an external gear shaft sleeve 1, one end of the external gear shaft sleeve 1 is matched with one end of a connecting flange 6 to form a first spline pair, a plurality of bearings 4 are matched with an outer ring of the connecting flange 6, the outer rings of the bearings 4 are jointly coated by a retainer 5, one end of the retainer 5 is in sealing fit with the outer ring of one end of the connecting flange 6, the other end of the retainer 5 is fixedly connected with a gland 2, and the gland 2 is in sealing fit with the outer ring of the external gear shaft sleeve 1 through a seal ring 3; the other end of connecting flange 6 and the one end rigid coupling of first flange fork 7, the other end of first flange fork 7 is connected the one end of first welding flange fork 9 through first cross package 8, the other end of first welding flange fork 9 is connected with the one end of integral key shaft 14, the other end of integral key shaft 14 forms the second spline pair with the sleeve inner circle cooperation of spline housing 10, the one end that spline housing 10 did not cooperate integral key shaft 14 is connected second welding flange fork 12 through second cross package 11, the one end rigid coupling second flange fork 13 of second welding flange fork 12. As shown in fig. 2 and 3, a shaft portion 101 is formed at one end of the external gear sleeve 1 so as to extend in the axial direction, and the outer race of the shaft portion 101 has spline teeth; an open slot 602 is formed in one end, matched with the external gear shaft sleeve 1, of the connecting flange 6, and a spline slot used for being matched with spline teeth is formed in the slot wall of the open slot 602. A stopper 601 for stopping the external gear sleeve 1 is formed to extend radially on the inner ring of the connecting flange 6, and a plurality of mounting holes are formed in the stopper 601 in the circumferential direction.
The utility model discloses simple structure, convenient to use is through setting up the spline pair between external tooth axle sleeve and flange to and set up the bearing in flange's outer lane, makes external tooth axle sleeve and flange's axial length shorten, makes roll end length reduce substantially from this, utilizes this length that shortens the space and can effectively increase the integral key shaft, thereby makes universal coupling obtain bigger flexible volume, has that bearing capacity is big, long service life's advantage.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made without departing from the basic structure of the invention.
Claims (3)
1. The utility model provides a run through formula cardan shaft structure, includes external tooth axle sleeve (1), its characterized in that: one end of the external tooth shaft sleeve (1) is matched with one end of a connecting flange (6) to form a first spline pair, the outer ring of the connecting flange (6) is matched with a plurality of bearings (4), the outer ring of each bearing (4) is coated by a retainer (5) together, one end of the retainer (5) is in sealing fit with the outer ring of one end of the connecting flange (6), the other end of the retainer (5) is fixedly connected with a gland (2), and the gland (2) is in sealing fit with the outer ring of the external tooth shaft sleeve (1); the other end of flange (6) and the one end rigid coupling of first flange fork (7), the other end of first flange fork (7) is through the one end that first welding flange fork (9) is connected in first cross package (8), the other end of first welding flange fork (9) is connected with the one end of integral key shaft (14), the other end of integral key shaft (14) forms the second spline pair with the sleeve inner circle cooperation of spline housing (10), second welding flange fork (12) is connected through second cross package (11) to the one end that spline housing (10) did not cooperate integral key shaft (14), the one end rigid coupling second flange fork (13) of second welding flange fork (12).
2. A through cardan shaft arrangement according to claim 1, wherein: a shaft part (101) is formed at one end of the external gear sleeve (1) in an axially extending mode, and the outer ring of the shaft part (101) is provided with spline teeth; an open slot (602) is formed in one end, matched with the external gear shaft sleeve (1), of the connecting flange (6), and a spline slot used for being matched with spline teeth is formed in the slot wall of the open slot (602).
3. A through cardan shaft arrangement according to claim 1, wherein: and a limiting part (601) for limiting the external gear shaft sleeve (1) is formed by extending the inner ring of the connecting flange (6) along the radial direction, and a plurality of mounting holes are formed in the limiting part (601) along the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922277684.0U CN211343780U (en) | 2019-12-17 | 2019-12-17 | Through type cardan shaft structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922277684.0U CN211343780U (en) | 2019-12-17 | 2019-12-17 | Through type cardan shaft structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211343780U true CN211343780U (en) | 2020-08-25 |
Family
ID=72098185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922277684.0U Active CN211343780U (en) | 2019-12-17 | 2019-12-17 | Through type cardan shaft structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211343780U (en) |
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2019
- 2019-12-17 CN CN201922277684.0U patent/CN211343780U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A penetrating universal shaft structure Effective date of registration: 20211210 Granted publication date: 20200825 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi Binhu branch Pledgor: Tangmo transmission machinery (Wuxi) Co.,Ltd. Registration number: Y2021320010542 |