CN220956509U - Constant velocity universal joint sealing structure of automobile transmission shaft - Google Patents
Constant velocity universal joint sealing structure of automobile transmission shaft Download PDFInfo
- Publication number
- CN220956509U CN220956509U CN202322696590.3U CN202322696590U CN220956509U CN 220956509 U CN220956509 U CN 220956509U CN 202322696590 U CN202322696590 U CN 202322696590U CN 220956509 U CN220956509 U CN 220956509U
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- clamping
- ring
- constant velocity
- velocity universal
- universal joint
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- 238000007789 sealing Methods 0.000 title claims abstract description 55
- 230000005540 biological transmission Effects 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 239000000428 dust Substances 0.000 abstract description 5
- 239000010687 lubricating oil Substances 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000006978 adaptation Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Sealing Devices (AREA)
Abstract
The utility model relates to the technical field of constant velocity universal joints and discloses a constant velocity universal joint sealing structure of an automobile transmission shaft. The utility model has the following advantages and effects: the sealing sleeve is convenient to disassemble and assemble quickly, the durability of the sealing sleeve can be improved, the service life of the sealing sleeve can be prolonged, the normal use of the sealing sleeve is not influenced, the sealing effect of the sealing sleeve can be ensured, and the phenomenon that dust enters to influence the normal work of a constant velocity universal joint and the damage phenomenon occurs at the joint of the constant velocity universal joint and a driving shaft due to the loss of lubricating oil and the dust entering can be effectively avoided.
Description
Technical Field
The utility model relates to the technical field of constant velocity universal joints, in particular to a constant velocity universal joint sealing structure of an automobile transmission shaft.
Background
The constant velocity universal joint is a device which connects two shafts with included angles or mutual positions between the shafts and enables the two shafts to transmit power at the same angular speed, and can overcome the problem of non-constant velocity of the common cross-shaft universal joint. The constant velocity universal joints widely used at present mainly include ball-and-fork type universal joints and ball-and-cage type universal joints.
The present utility model provides a sealing structure for a constant velocity joint of an automotive propeller shaft, which is designed to solve the above problems, because the sealing structure is designed to prevent the occurrence of damage to the driving shaft and the constant velocity joint due to the occurrence of a problem that the sealing effect is deteriorated, and the sealing structure is designed to prevent the occurrence of a problem that the sealing effect is deteriorated due to the occurrence of a problem that the sealing effect is insufficient when the driving shaft and the constant velocity joint are in an operating state.
The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
Disclosure of utility model
The utility model aims to provide a constant velocity universal joint sealing structure of an automobile transmission shaft, which is convenient to disassemble and assemble quickly, can improve the durability of a sealing sleeve, can improve the service life of the sealing sleeve, does not influence the normal use of the sealing sleeve, can ensure the sealing effect of the sealing sleeve, and can effectively avoid the effects that dust enters to influence the normal work of the constant velocity universal joint and the damage phenomenon occurs at the joint of the constant velocity universal joint and a driving shaft due to the loss of lubricating oil and the dust entering.
The technical aim of the utility model is realized by the following technical scheme: the constant velocity universal joint sealing structure comprises a cover body, a constant velocity universal joint, a driving shaft, a sealing cover, a rotating ring, a clamping fixing assembly I, a limiting ring, a clamping fixing assembly II, a clamping ring I and a clamping ring II;
The cover body is arranged on the constant velocity universal joint, the driving shaft is fixedly arranged on the constant velocity universal joint, the rotating ring is arranged on the rotating shaft in a sealing and rotating mode, the limiting ring is fixedly arranged on the cover body, the first clamping ring and the second clamping ring are fixedly arranged at two ends of the sealing cover respectively, annular grooves are formed in the rotating ring and the second clamping ring respectively, the first clamping fixing assembly is arranged in the annular grooves formed in the rotating ring, the second clamping fixing assembly is arranged on the limiting ring, and the first clamping ring and the second clamping ring are detachably and fixedly arranged on the rotating ring and the limiting ring respectively through the first clamping fixing assembly and the second clamping fixing assembly.
The utility model is further provided with: the clamping fixing assembly comprises two sliding blocks, two clamping blocks and two springs I, wherein two mounting grooves are formed in the inner wall of one side, close to the driving shaft, of the annular groove on the rotating ring, the sliding blocks are slidably mounted in the two mounting grooves, clamping blocks are fixedly mounted on one side, away from each other, of the two sliding blocks, the springs I are fixedly mounted on one side, close to each other, of the two sliding blocks, the springs I are fixedly connected with the inner wall of the corresponding mounting groove respectively, a plurality of clamping grooves are formed in the inner peripheral surface of the clamping ring I, and the two clamping blocks are respectively and fixedly mounted in the corresponding clamping grooves in a clamping manner.
By adopting the technical scheme, the clamping ring can be clamped and fixed after the clamping ring I is inserted into the annular groove on the rotating ring.
The utility model is further provided with: the first clamping and fixing assembly further comprises a guide rod, a hollow rod and a pressing block, the guide rod is fixedly installed on the inner wall of the installation groove, the sliding block is in sliding connection with the guide rod, the hollow rod is axially and slidably installed on the guide rod, one end, close to the axis of the driving shaft, of the hollow rod is fixedly connected with the top side of the sliding block, and the top end of the hollow rod extends out of the rotating ring and is fixedly provided with the pressing block.
Through adopting above-mentioned technical scheme, the convenient control slider drives the fixture block and breaks away from the joint from the draw-in groove in to the dismantlement operation of snap ring one is conveniently carried out.
The utility model is further provided with: the second clamping and fixing assembly comprises two moving blocks, two toothed plates I, two toothed plates II, two transmission gears and two springs II, wherein two rectangular grooves are formed in one side of the limiting ring, the moving blocks are slidably installed in the rectangular grooves, the same springs II are fixedly installed on one side inner walls of the moving blocks and the rectangular grooves, the toothed plates II are fixedly installed on one side, far away from the springs II, of the moving blocks, the transmission gears are rotatably installed on the inner walls of the rectangular grooves, the toothed plates I and the toothed plates II are slidably installed on the inner walls of one side, far away from the cover body, of the rectangular grooves, the toothed plates I are meshed with the transmission gears, a plurality of slots are formed in the inner walls of annular grooves on the clamping ring II, and the toothed plates I are inserted and installed in the corresponding slots.
Through adopting above-mentioned technical scheme, can fix snap ring two joint on the spacing ring.
The utility model is further provided with: the second clamping and fixing assembly further comprises a connecting rod and a pull ring, one side, close to the second spring, of the moving block is fixedly provided with the connecting rod, and one end, far away from the moving block, of the connecting rod extends out of the rectangular groove and is fixedly provided with the pull ring.
By adopting the technical scheme, the movable block can be conveniently controlled to slide along the inner wall of the rectangular groove, so that the plugging state between the toothed plate I and the slot can be controlled.
The utility model is further provided with: the inner wall of the rectangular groove is fixedly provided with a supporting bar, and the toothed plate I is in sliding connection with the supporting bar.
By adopting the technical scheme, stable support can be provided for the toothed plate I.
The utility model is further provided with: and a steel rib which is spirally arranged is fixedly arranged in the sealing cover.
By adopting the technical scheme, the bending resistance of the sealing cover can be improved, the service life of the sealing cover can be prolonged, and the sealing cover is not influenced to exert sealing and follow the normal movement of the driving shaft, the constant velocity universal joint and the cover body.
The beneficial effects of the utility model are as follows: the clamping fixing assembly I and the clamping fixing assembly II are convenient to respectively and rapidly install the clamping ring I and the clamping ring II on the rotating ring and the limiting ring, meanwhile, rapid disassembly operation is convenient to conduct, the durability of the sealing sleeve can be improved through the steel rib which is arranged in the sealing sleeve in a spiral shape, the service life of the sealing sleeve can be prolonged, the normal use of the sealing sleeve is not influenced, the sealing effect of the sealing sleeve can be guaranteed, dust entering is effectively avoided, the normal work of the constant-speed universal joint and the loss phenomenon of lubricating oil are influenced, the sealing effect of the sealing sleeve can be guaranteed, and the normal work of the constant-speed universal joint and the loss phenomenon of the lubricating oil are effectively avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a sealing structure of a constant velocity universal joint of an automotive transmission shaft according to the present utility model;
FIG. 2 is a schematic view of a seal structure of a constant velocity joint of an automotive propeller shaft according to the present utility model;
fig. 3 is a schematic structural view of a portion a of a sealing structure of a constant velocity universal joint of an automotive propeller shaft according to the present utility model;
Fig. 4 is a schematic structural view of a portion B of a sealing structure of a constant velocity universal joint of an automotive propeller shaft according to the present utility model.
In the figure, 1, a cover body; 2. a driving shaft; 3. a constant velocity universal joint; 4. a rotating ring; 41. an annular groove; 42. a slide block; 43. a first spring; 44. a clamping block; 45. a guide rod; 46. a hollow rod; 5. a limiting ring; 51. a moving block; 52. a connecting rod; 53. a second spring; 54. a transmission gear; 55. a toothed plate I; 56. a toothed plate II; 6. a sealing cover; 601. a steel rib; 61. a clamping ring I; 62. and a second clamping ring.
Detailed Description
The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
Referring to fig. 1 to 4, a constant velocity universal joint sealing structure of an automotive propeller shaft comprises a housing 1, a constant velocity universal joint 3, a driving shaft 2, a seal housing 6, a rotating ring 4, a limiting ring 5, a first snap ring 61 and a second snap ring 62, wherein the housing 1 is arranged on the constant velocity universal joint 3, the driving shaft 2 is fixedly arranged on the constant velocity universal joint 3, the rotating ring 4 is rotatably and hermetically arranged on a rotating shaft, the limiting ring 5 is fixedly arranged on the housing 1, the first snap ring 61 and the second snap ring 62 are respectively and fixedly arranged at two ends of the seal housing 6, annular grooves 41 are respectively arranged on the rotating ring 4 and the second snap ring 62, two mounting grooves are respectively arranged on the inner wall of the annular groove 41 positioned on the rotating ring 4 and close to the driving shaft 2, sliding blocks 42 are respectively arranged in the two mounting grooves, clamping blocks 44 are fixedly arranged on one sides of the two sliding blocks 42, which are mutually close to each other, a first spring 43 is fixedly arranged on one side of the two sliding blocks 42, the two first springs 43 are respectively fixedly connected with the inner walls of the corresponding mounting grooves, a plurality of clamping grooves are formed in the inner peripheral surface of the first clamping ring 61, the two clamping blocks 44 are respectively clamped and mounted in the corresponding clamping grooves, the first clamping ring 61 can be clamped and fixed after being inserted into the annular groove 41 positioned on the rotating ring 4, the inner walls of the mounting grooves are fixedly provided with guide rods 45, the sliding blocks 42 are in sliding connection with the guide rods 45, the guide rods 45 are axially and slidably provided with hollow rods 46, one ends of the hollow rods 46 close to the axis of the driving shaft 2 are fixedly connected with the top sides of the sliding blocks 42, the top ends of the hollow rods 46 extend out of the rotating ring 4 and are fixedly provided with pressing blocks, the sliding blocks 42 are conveniently controlled to drive the clamping blocks 44 to be separated from the clamping grooves, so that the dismounting operation of the first clamping ring 61 is conveniently carried out, one side of the limiting ring 5 is provided with two rectangular grooves, and the moving blocks 51 are slidably mounted in the rectangular grooves, the same second spring 53 is fixedly installed on the inner wall of one side of the moving block 51 and the rectangular groove, the toothed plate 56 is fixedly installed on one side, away from the second spring 53, of the moving block 51, the transmission gear 54 is rotatably installed on the inner wall of the rectangular groove, the toothed plate 55 is slidably installed on the inner wall of one side, away from the cover body 1, of the rectangular groove, the toothed plate 55 and the toothed plate 56 are meshed with each other, a plurality of slots are formed in the inner wall of the annular groove 41 on the second snap ring 62, the toothed plate 55 is inserted and installed in the corresponding slots, the second snap ring 62 can be fixedly clamped on the limiting ring 5, the connecting rod 52 is fixedly installed on one side, close to the second spring 53, of the moving block 51, of the connecting rod 52 extends out of the rectangular groove and is fixedly provided with a pull ring, the inner wall of the rectangular groove is convenient to control the moving block 51 to slide along, so that the inserting state between the toothed plate 55 and the slots can be controlled, the steel rib 601 which is spirally arranged is fixedly installed in the sealing cover 6, the bending resistance of the sealing cover 6 can be improved, the service life of the sealing cover 6 can be prolonged, and the constant speed driving shaft 3 and the universal joint 1 can normally move along the sealing cover 2 and the constant speed joint.
Specifically, the support bar is fixedly installed on the inner wall of the rectangular groove, and the toothed plate one 55 is in sliding connection with the support bar, so that stable support can be provided for the toothed plate one 55, and stable movement can be kept.
Working principle: the seal cover 6 is sleeved at the position shown in fig. 1 and 2, the first clamping ring 61 is inserted into the annular groove 41 on the rotating ring 4, the clamping block 44 is extruded under the action of the first clamping ring 61 to drive the sliding block 42 to move towards the direction close to the axis of the driving shaft 2 and compress the first spring 43, after the clamping groove reaches the position of the clamping block 44, the clamping block 44 can be stably clamped in the corresponding clamping groove under the action of the first spring 43, thereby realizing quick connection between the clamping ring and the rotating ring 4, the clamping block 44 can be controlled to be separated from the clamping groove only by pressing the pressing block towards the axis direction of the driving shaft 2 when the clamping ring 61 needs to be dismounted, the first clamping ring 61 is conveniently dismounted, the first toothed plate 55 can be controlled to move towards the direction close to the cover body 1 under the action of the second clamping ring 61, then the annular groove 41 on the second clamping ring 62 is clamped on the limiting ring 5, the first toothed plate 55 can be released under the action of the second spring 53, the second toothed plate 56 and the driving gear 54, the first toothed plate 55 can be correspondingly connected with the limiting ring 5, the second toothed plate 62 can be dismounted from the limiting ring 5 under the action of the second toothed plate 54, and the first toothed plate 55 can be dismounted from the limiting ring 5 when the first toothed plate and the second toothed plate 62 needs to be dismounted from the limiting ring 5.
The constant velocity universal joint sealing structure of the automobile transmission shaft provided by the utility model is described in detail. The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present utility model and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (6)
1. The constant velocity universal joint sealing structure of the automobile transmission shaft is characterized by comprising a cover body (1), a constant velocity universal joint (3), a driving shaft (2), a sealing cover (6), a rotating ring (4), a clamping and fixing assembly I, a limiting ring (5), a clamping and fixing assembly II, a clamping ring I (61) and a clamping ring II (62);
The novel sealing device comprises a cover body (1), a driving shaft (2), a rotating ring (4), a limiting ring (5), a first clamping ring (61) and a second clamping ring (62), wherein the cover body (1) is arranged on a constant velocity universal joint (3), the driving shaft (2) is fixedly arranged on the constant velocity universal joint (3), the rotating ring (4) is arranged on a rotating shaft in a sealing and rotating mode, the limiting ring (5) is fixedly arranged on the cover body (1), the first clamping ring (61) and the second clamping ring (62) are respectively and fixedly arranged at two ends of a sealing cover (6), steel ribs (601) which are spirally arranged are fixedly arranged in the sealing cover (6), annular grooves (41) are formed in the rotating ring (4) and the second clamping ring (62), the first clamping and fixing assembly is arranged in the annular grooves (41) formed in the rotating ring (4), the second clamping and fixing assembly is arranged on the limiting ring (5), and the first clamping ring (61) and the second clamping and fixing assembly are respectively and detachably and fixedly arranged on the rotating ring (4) and the limiting ring (5).
2. A constant velocity joint seal structure for a propeller shaft of an automobile according to claim 1, wherein: the first clamping and fixing assembly comprises two sliding blocks (42), two clamping blocks (44) and two first springs (43), wherein two mounting grooves are formed in the inner wall of one side, close to the driving shaft (2), of an annular groove (41) on the rotating ring (4), sliding blocks (42) are arranged in the two mounting grooves in a sliding mode, clamping blocks (44) are fixedly arranged on one sides, away from each other, of the two sliding blocks (42), first springs (43) are fixedly arranged on one sides, close to each other, of the two sliding blocks (42), the first springs (43) are fixedly connected with the inner wall of the corresponding mounting groove respectively, a plurality of clamping grooves are formed in the inner peripheral surface of the first clamping ring (61), and the two clamping blocks (44) are respectively and fixedly arranged in the corresponding clamping grooves in a clamping mode.
3. A constant velocity joint seal structure of an automotive propeller shaft according to claim 2, characterized in that: the first clamping and fixing assembly further comprises a guide rod (45), a hollow rod (46) and a pressing block, the guide rod (45) is fixedly installed on the inner wall of the installation groove, the sliding block (42) is in sliding connection with the guide rod (45), the hollow rod (46) is axially and slidably installed on the guide rod (45), one end, close to the axis of the driving shaft (2), of the hollow rod (46) is fixedly connected with the top side of the sliding block (42), and the top end of the hollow rod (46) extends out of the rotating ring (4) and is fixedly provided with the pressing block.
4. A constant velocity joint seal structure for a propeller shaft of an automobile according to claim 1, wherein: the second clamping and fixing assembly comprises two moving blocks (51), two toothed plates I (55), two toothed plates II (56), two transmission gears (54) and two springs II (53), two rectangular grooves are formed in one side of the limiting ring (5), the moving blocks (51) are slidably mounted in the rectangular grooves, the same springs II (53) are fixedly mounted on one side inner walls of the moving blocks (51) and the rectangular grooves, the toothed plates II (56) are fixedly mounted on one side, far away from the springs II (53), of the moving blocks (51), the transmission gears (54) are rotatably mounted on the inner walls of the rectangular grooves, the toothed plates I (55) are slidably mounted on the inner walls of one side, far away from the cover body (1), of the toothed plates II (56) are meshed with the transmission gears (54), a plurality of slots are formed in the inner walls of annular grooves (41) on the clamping ring II (62), and the toothed plates I (55) are inserted and mounted in the corresponding slots.
5. A constant velocity joint seal structure for an automotive propeller shaft according to claim 4, characterized in that: the second clamping and fixing assembly further comprises a connecting rod (52) and a pull ring, the connecting rod (52) is fixedly arranged on one side, close to the second spring (53), of the moving block (51), and one end, far away from the moving block (51), of the connecting rod (52) extends out of the rectangular groove and is fixedly provided with the pull ring.
6. A constant velocity joint seal structure for an automotive propeller shaft according to claim 4, characterized in that: the inner wall of the rectangular groove is fixedly provided with a supporting bar, and a toothed plate I (55) is in sliding connection with the supporting bar.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202322696590.3U CN220956509U (en) | 2023-10-09 | 2023-10-09 | Constant velocity universal joint sealing structure of automobile transmission shaft |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322696590.3U CN220956509U (en) | 2023-10-09 | 2023-10-09 | Constant velocity universal joint sealing structure of automobile transmission shaft |
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Publication Number | Publication Date |
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CN220956509U true CN220956509U (en) | 2024-05-14 |
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CN202322696590.3U Active CN220956509U (en) | 2023-10-09 | 2023-10-09 | Constant velocity universal joint sealing structure of automobile transmission shaft |
Country Status (1)
Country | Link |
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CN (1) | CN220956509U (en) |
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2023
- 2023-10-09 CN CN202322696590.3U patent/CN220956509U/en active Active
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