CN210153080U - Maintenance-free cross axle - Google Patents
Maintenance-free cross axle Download PDFInfo
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- CN210153080U CN210153080U CN201920959487.4U CN201920959487U CN210153080U CN 210153080 U CN210153080 U CN 210153080U CN 201920959487 U CN201920959487 U CN 201920959487U CN 210153080 U CN210153080 U CN 210153080U
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- sleeve
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Abstract
The utility model relates to a maintenance-free cross shaft, which comprises a base body and a shaft body connected with the base body, wherein a bearing sleeve is connected on the shaft body, a sealing ring groove is arranged on the peripheral surface of one end of the shaft body close to the machine body, and the sealing ring groove is coaxial with the shaft body; the bearing sleeve comprises a main sleeve and an auxiliary sleeve which are detachably connected, the main sleeve is in a cylindrical shape with a bottom, the auxiliary sleeve is annular and comprises two detachable sealing semi-rings, and sealing convex strips matched with sealing ring grooves are arranged in the auxiliary sleeve. The utility model discloses have the oil blanket performance that improves between bearing housing and the axis body for the lubricating grease that is located between axis body and the bearing housing can exist for a long time, and the effect of difficult leakage.
Description
Technical Field
The utility model relates to a cross especially relates to a non-maintaining cross.
Background
As shown in fig. 1, a conventional cross shaft includes a cylindrical base body and four shaft bodies equidistantly distributed in the circumferential direction of the base body, wherein a bearing sleeve is further sleeved on each shaft body, and each two opposite shaft bodies share the same axis. An oil delivery channel is arranged along the axis of each shaft body, and an oil injection screw hole communicated with the oil delivery channel is formed in the end face of one end of the base body. In-process that uses at the cross, can pour into through the oiling screw in to the oil transportation passageway has lubricated fluid, and lubricated fluid is used for lubricated bearing housing and axis body for the relative axis body of bearing housing is more easy rotates, can the spiro union have a piece of sealing bolt to be used for avoiding lubricated fluid to leak in the oiling screw.
However, in some vehicles or mechanical equipment with low strength for the cross axle, the needed lubricating oil is not too much, and a large amount of lubricating oil does not need to be injected into the oil injection screw holes for a long time, so that the oil injection screw holes and the oil delivery channel are not needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a be not enough to prior art exists, the utility model provides a non-maintaining cross, its advantage lies in improving the oil blanket performance between bearing housing and the axis body for the lubricating grease that is located between axis body and the bearing housing can exist for a long time, and is difficult for leaking.
The technical purpose of the utility model is realized through following technical scheme: a maintenance-free cross shaft comprises a base body and a shaft body connected with the base body, wherein a bearing sleeve is connected onto the shaft body, a sealing ring groove is formed in the circumferential surface of one end, close to a machine body, of the shaft body, and the sealing ring groove is coaxial with the shaft body; the bearing sleeve comprises a main sleeve and an auxiliary sleeve which are detachably connected, the main sleeve is in a cylindrical shape with a bottom, the auxiliary sleeve is annular and comprises two detachable sealing semi-rings, and sealing convex strips matched with sealing ring grooves are arranged in the auxiliary sleeve.
Through adopting above-mentioned technical scheme, at the connection process of bearing housing and axis body, install two sealed semi-rings on the axis body earlier to let sealed sand grip and sealed spout combine, then pour into lubricating oil into in the main cover, then link together main cover and auxiliary sleeve. After the bearing sleeve is connected with the shaft body, lubricating oil is located in the shaft body and the bearing sleeve, and the lubricating oil is difficult to leak under the action of the sealing ring groove and the sealing convex strip, so that the lubricating oil can not be injected into the bearing sleeve for a long time.
The utility model discloses further set up to: the two ends of the sealing semi-rings are provided with first connecting blocks which are connected through bolts, and sealing layers are arranged between the sealing semi-rings.
Through adopting above-mentioned technical scheme, realize that two seal semi-rings connect and form vice cover to let and have good oil blanket performance between two seal semi-rings.
The utility model discloses further set up to: the sealing ring grooves are arranged twice at intervals, and the sealing convex strips are arranged twice at intervals.
Through adopting above-mentioned technical scheme, the cooperation of twice sealed annular and twice sealed sand grip makes and has better oil blanket performance between bearing housing and the axis body.
The utility model discloses further set up to: and a first sealing ring is arranged on the inner wall of the auxiliary sleeve between the two sealing convex strips.
Through adopting above-mentioned technical scheme, when bearing housing and shaft body coupling, the inlayer of first sealing ring and the contact of the inner wall with the surface of shaft body and bearing housing respectively in the outside, and then further promotion the oil blanket performance between bearing housing and the shaft body.
The utility model discloses further set up to: and a second sealing ring is arranged between the auxiliary sleeve and the main sleeve.
Through adopting above-mentioned technical scheme, be provided with the second sealing ring between vice cover and the main cover, promote the oil blanket performance between main cover and the vice cover.
The utility model discloses further set up to: the main casing and the auxiliary casing are correspondingly provided with connecting components, each connecting component comprises two second connecting blocks, one of the second connecting blocks is provided with the auxiliary casing, the other one of the second connecting blocks is arranged on the main casing, and the second connecting blocks are connected through bolts.
By adopting the technical scheme, the detachable connection relation is formed between the main sleeve and the auxiliary sleeve, and the main sleeve and the auxiliary sleeve are convenient to disassemble and assemble.
The utility model discloses further set up to: the connecting assembly is arranged in 2-4 groups in the circumferential direction of the main sleeve and the auxiliary sleeve.
By adopting the technical scheme, the main sleeve and the auxiliary sleeve have better connection strength.
To sum up, the utility model discloses following beneficial effect has:
1. after the bearing sleeve is connected with the shaft body, lubricating oil is located in the shaft body and the bearing sleeve, and the lubricating oil is difficult to leak under the action of the sealing ring groove and the sealing convex strip, so that the lubricating oil can not be injected into the bearing sleeve for a long time;
2. the auxiliary sleeve is detachably connected with the shaft body, and the auxiliary sleeve is detachably connected with the main sleeve, so that the bearing sleeve is conveniently connected onto the shaft body.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic sectional structure of the present invention;
fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Reference numerals: 1. a substrate; 2. a shaft body; 3. a bearing housing; 4. sealing the ring groove; 5. a main sleeve; 6. a secondary sleeve; 7. sealing the half ring; 8. sealing the convex strips; 9. a first connection block; 10. a sealing layer; 11. a first seal ring; 12. a second connecting block; 13. a second seal ring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, for the maintenance-free cross axle disclosed by the present invention, the cross axle comprises a base body 1 and an axle body 2 connected with the base body 1, a bearing sleeve 3 is connected on the axle body 2, a sealing ring groove 4 is arranged on the circumferential surface of one end of the axle body 2 close to the machine body, and the sealing ring groove 4 is coaxial with the axle body 2; bearing housing 3 is including dismantling main cover 5 and the vice cover 6 of connecting, and main cover 5 is the tube-shape with a bottom, and vice cover 6 is cyclic annular, and vice cover 6 includes two sealed semi-rings 7 of detachable, the interior of vice cover 6 be provided with sealed annular 4 complex sealed sand grip 8.
The two ends of the seal half rings 7 are fixed with a first connecting block 9, the two first connecting blocks 9 are connected through bolts, and a sealing layer 10 made of rubber is attached between the seal half rings 7. By utilizing the matching of the first connecting block 9 and the bolt, the two seal half rings 7 are connected to form the auxiliary sleeve 6, and good oil sealing performance is achieved between the two seal half rings 7.
Two sealing ring grooves 4 are formed at intervals, and two sealing convex strips 8 are formed at the same intervals. A first sealing ring 11 made of rubber is attached to the inner wall of the auxiliary sleeve 6 between the two sealing convex strips 8. When the bearing housing 3 is connected with the shaft body 2, the inner layer and the outer side of the first sealing ring 11 are respectively contacted with the surface of the shaft body 2 and the inner wall of the bearing housing 3, and further the oil sealing performance between the bearing housing 3 and the shaft body 2 is improved.
The main sleeve 5 and the auxiliary sleeve 6 are correspondingly provided with a connecting assembly, the connecting assembly comprises two second connecting blocks 12, one of the second connecting blocks 12 is arranged on the auxiliary sleeve 6, the other one of the second connecting blocks is arranged on the main sleeve 5, and the two second connecting blocks 12 are connected through bolts, so that a detachable connection relation is formed between the main sleeve 5 and the auxiliary sleeve 6, and the main sleeve 5 and the auxiliary sleeve 6 are convenient to disassemble and assemble.
The connection assemblies are arranged in 2-4 groups in the circumferential direction of the primary and secondary casings 5, 6. In the present embodiment, 2 sets are provided on each bearing housing 3, and the number of the connecting assemblies may be 3 sets or 4 sets. Through setting up multiunit coupling assembling for have better joint strength between main cover 5 and the auxiliary sleeve 6.
Further, a second sealing ring 13 is arranged at one end of the main sleeve 5, the second sealing ring 13 is located between the auxiliary sleeve 6 and the main sleeve 5 after the auxiliary sleeve 6 is connected with the main sleeve 5, and the performance of oil seal between the main sleeve 5 and the auxiliary sleeve 6 is improved by arranging the second sealing ring 13.
The implementation principle of the embodiment is as follows: in the connection process of the bearing sleeve 3 and the shaft body 2, the two seal half rings 7 are firstly installed on the shaft body 2, the seal raised lines 8 are combined with the seal sliding grooves, then lubricating oil is injected into the main sleeve 5, and then the main sleeve 5 is connected with the auxiliary sleeve 6. After bearing housing 3 is connected with the axis body 2, lubricating oil is arranged in axis body 2 and bearing housing 3, and lubricating oil is difficult to leak under the action of seal ring groove 4 and seal raised line 8, and then makes can not pour into lubricating oil in bearing housing 3 for a long time more.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides a non-maintaining cross, includes base member (1) and axis body (2) of being connected with base member (1), be connected with bearing housing (3), characterized by on axis body (2): a sealing ring groove (4) is arranged on the circumferential surface of one end, close to the machine body, of the shaft body (2), and the sealing ring groove (4) is coaxial with the shaft body (2); bearing housing (3) are including dismantling main cover (5) and vice cover (6) of connection, main cover (5) are the tube-shape with a bottom, vice cover (6) are cyclic annular, vice cover (6) are including two sealed semi-rings of detachable (7), be provided with in vice cover (6) with sealed annular groove (4) complex sealed sand grip (8).
2. The maintenance-free cross of claim 1, wherein: the two ends of the sealing semi-rings (7) are provided with first connecting blocks (9), the first connecting blocks (9) are connected through bolts, and sealing layers (10) are arranged between the sealing semi-rings (7).
3. The maintenance-free cross of claim 2, wherein: the sealing ring grooves (4) are arranged twice at intervals, and the sealing convex strips (8) are arranged twice at intervals.
4. The maintenance-free cross of claim 3, wherein: and a first sealing ring (11) is arranged on the inner wall of the auxiliary sleeve (6) between the two sealing convex strips (8).
5. The maintenance-free cross of claim 2, wherein: and a second sealing ring (13) is arranged between the auxiliary sleeve (6) and the main sleeve (5).
6. The maintenance-free cross of claim 1, wherein: the main sleeve (5) and the auxiliary sleeve (6) are correspondingly provided with a connecting assembly, the connecting assembly comprises two second connecting blocks (12), one of the second connecting blocks (12) is arranged on the auxiliary sleeve (6), the other one of the second connecting blocks is arranged on the main sleeve (5), and the second connecting blocks (12) are connected through bolts.
7. The maintenance-free cross of claim 6, wherein: the connecting assembly is provided with 2-4 groups in the circumferential direction of the main sleeve (5) and the auxiliary sleeve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920959487.4U CN210153080U (en) | 2019-06-25 | 2019-06-25 | Maintenance-free cross axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920959487.4U CN210153080U (en) | 2019-06-25 | 2019-06-25 | Maintenance-free cross axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210153080U true CN210153080U (en) | 2020-03-17 |
Family
ID=69763960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920959487.4U Active CN210153080U (en) | 2019-06-25 | 2019-06-25 | Maintenance-free cross axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210153080U (en) |
-
2019
- 2019-06-25 CN CN201920959487.4U patent/CN210153080U/en active Active
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