CN212131104U - Bell-shaped shell with dustproof surface sealing structure - Google Patents
Bell-shaped shell with dustproof surface sealing structure Download PDFInfo
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- CN212131104U CN212131104U CN202020668287.6U CN202020668287U CN212131104U CN 212131104 U CN212131104 U CN 212131104U CN 202020668287 U CN202020668287 U CN 202020668287U CN 212131104 U CN212131104 U CN 212131104U
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Abstract
The utility model discloses a bell housing with dust guard seal structure, including bell housing and transmission shaft, the right-hand member of transmission shaft and the left side swing joint of bell housing, the surface cover of bell housing is equipped with the seal cover, fixed chamber has been seted up to the inner chamber of seal cover, the utility model relates to a bell housing technical field. This bell housing with dust cap seal structure, the position of seal cover is injectd in coordination of fixed chamber and fixed L type crown plate, prevent the seal cover towards the right side and outwards remove, first screw section of thick bamboo is injectd the position of slip L type crown plate, thereby prescribe the position of seal cover, prevent the seal cover towards the left movement, thereby realize the fixed to the seal cover position, press from both sides the seal cover through slip L type crown plate and fixed L type crown plate, guarantee seal cover and bell housing hookup location's leakproofness, it is stable inadequately to have solved common bell housing and seal cover connected mode, the not good problem of leakproofness.
Description
Technical Field
The utility model relates to a bell shell technical field specifically is a bell shell with dust cover seal structure.
Background
The ball cage is also called as constant velocity universal joint, which is an important part in a car transmission system and has the function of transmitting the power of an engine from a transmission to a driving wheel to drive a car to run at high speed, and the constant velocity universal joints used for the car are various in types, wherein the ball cage type constant velocity universal joint and the tripod type constant velocity universal joint are mostly applied and mainly comprise main parts of a sliding sleeve, a three-way shaft, a transmission shaft, a star sleeve, a retainer and a bell housing.
In order to prevent external dust from entering the interior of the bell-shaped shell, ensure normal use of all parts inside and prolong the service life, a sealing sleeve is generally arranged outside the bell-shaped shell, one side of the sealing sleeve is sleeved outside the bell-shaped shell, the other side of the sealing sleeve is connected with a driving shaft, in order to ensure normal use of the sealing sleeve, the sealing sleeve and the bell-shaped shell are fixed through a fixing device, but the fixing effect of the general fixing device is poor, and the sealing performance of the fixing position is difficult to ensure.
SUMMERY OF THE UTILITY MODEL
The not enough to prior art, the utility model provides a bell shell with dust cover seal structure has solved common bell shell and seal cover connected mode and has stabilized inadequately, the not good problem of leakproofness.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the bell-shaped shell with the dustproof surface sealing structure comprises a bell-shaped shell and a transmission shaft, wherein the right end of the transmission shaft is movably connected with the left side of the bell-shaped shell, a sealing sleeve is sleeved on the outer surface of the bell-shaped shell, a fixed cavity is formed in the inner cavity of the sealing sleeve, a fixed L-shaped annular plate is fixedly connected to the outer surface of the bell-shaped shell, the outer surface of the fixed L-shaped annular plate is slidably connected with the inner cavity of the sealing sleeve, the side surface of the fixed L-shaped annular plate is slidably connected with the inner surface of the fixed cavity, a sliding L-shaped annular plate is slidably connected to the outer surface of the bell-shaped shell, the side surface of the sliding L-shaped annular plate is in compression joint with the outer surface of the sealing sleeve, a first threaded cylinder is in threaded connection with the side surface of the bell.
Preferably, a ball groove is formed in the side surface of the first threaded cylinder, a ball is connected to the inner surface of the ball groove in a sliding mode, and the outer surface of the ball is in compression joint with the left side of the sliding L-shaped annular plate.
Preferably, the left side of the bell-shaped shell is fixedly connected with a fixed cylinder, the right end of the transmission shaft is fixedly connected with a fixed block, the right side of the fixed block is in compression joint with the left side of the bell-shaped shell, and the outer surface of the fixed block is in sliding connection with the inner surface of the fixed cylinder.
Preferably, a first sliding groove is formed in the side face of the fixed cylinder, and a positioning rod is connected to the inner surface of the first sliding groove in a sliding mode.
Preferably, a second sliding groove is formed in the side face of the fixing block, and the inner surface of the second sliding groove is in sliding connection with the outer surface of the positioning rod.
Preferably, the outer surface of the fixed cylinder is in threaded connection with a second threaded cylinder, and the inner surface of the second threaded cylinder is in compression joint with one end of the positioning rod.
Preferably, the right side of the sealing sleeve is fixedly connected with a sleeve, and an inner cavity of the sleeve is communicated with an inner cavity of the sealing sleeve.
Advantageous effects
The utility model provides a bell-shaped shell with dustproof surface seal structure. Compared with the prior art, the method has the following beneficial effects:
1. the bell-shaped shell with the dustproof surface sealing structure is characterized in that a fixed cavity is formed in an inner cavity of a sealing sleeve, a fixed L-shaped annular plate is fixedly connected to the outer surface of the bell-shaped shell, the outer surface of the fixed L-shaped annular plate is in sliding connection with the inner cavity of the sealing sleeve, the side surface of the fixed L-shaped annular plate is in sliding connection with the inner surface of the fixed cavity, a sliding L-shaped annular plate is in sliding connection with the outer surface of the sealing sleeve, the side surface of the sliding L-shaped annular plate is in compression joint with the outer surface of the sealing sleeve, a first threaded cylinder is in threaded connection with the side surface of the bell-shaped shell, the right side of the first threaded cylinder is in compression joint with the left side of the sliding L-shaped annular plate, the fixed cavity and the fixed L-shaped annular plate cooperate to limit the position of the sealing sleeve and prevent the sealing sleeve from moving towards the right and outwards, the first threaded cylinder, therefore, the sealing sleeve is fixed, the sealing sleeve is clamped through the sliding L-shaped ring plate and the fixed L-shaped ring plate, the sealing performance of the connecting position of the sealing sleeve and the bell-shaped shell is guaranteed, and the problems that the common connecting mode of the bell-shaped shell and the sealing sleeve is not stable enough and the sealing performance is poor are solved.
2. The bell-shaped shell with the dustproof surface sealing structure is characterized in that a fixed cylinder is fixedly connected to the left side of the bell-shaped shell, a fixed block is fixedly connected to the right end of a transmission shaft, the right side of the fixed block is in compression joint with the left side of the bell-shaped shell, the outer surface of the fixed block is in sliding connection with the inner surface of the fixed cylinder, a first sliding groove is formed in the side surface of the fixed cylinder, a positioning rod is in sliding connection with the inner surface of the first sliding groove, a second sliding groove is formed in the side surface of the fixed block, the inner surface of the second sliding groove is in sliding connection with the outer surface of the positioning rod, a second threaded cylinder is in threaded connection with the outer surface of the fixed cylinder, the inner surface of the second threaded cylinder is in compression joint with one end of the positioning rod, the joint of the fixed cylinder and the fixed block is regular hexagon, the second thread cylinder limits the position of the positioning rod, ensures the relative stability between the transmission shaft and the bell-shaped shell, can realize disassembly, and only needs to replace one part when one part is damaged, thereby reducing the use and maintenance cost.
Drawings
Fig. 1 is a schematic external structural view of the present invention;
FIG. 2 is a schematic view of the structural connection between the sliding L-shaped ring plate and the sealing sleeve of the present invention;
FIG. 3 is a schematic view of the structural connection between the first chute and the positioning rod of the present invention;
fig. 4 is a partially enlarged view of a portion a in fig. 1 according to the present invention.
In the figure: 1. a bell housing; 2. a drive shaft; 3. sealing sleeves; 4. a fixed cavity; 5. fixing the L-shaped ring plate; 6. sliding the L-shaped ring plate; 7. a first threaded barrel; 8. a ball groove; 9. a ball bearing; 10. a fixed cylinder; 11. a fixed block; 12. a first chute; 13. positioning a rod; 14. a second chute; 15. a second threaded barrel; 16. a sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a bell-shaped shell with a dustproof surface sealing structure comprises a bell-shaped shell 1 and a transmission shaft 2, the right end of the transmission shaft 2 is movably connected with the left side of the bell-shaped shell 1, a sealing sleeve 3 is sleeved on the outer surface of the bell-shaped shell 1, a fixed cavity 4 is formed in the inner cavity of the sealing sleeve 3, a fixed L-shaped annular plate 5 is fixedly connected to the outer surface of the bell-shaped shell 1, the outer surface of the fixed L-shaped annular plate 5 is in sliding connection with the inner cavity of the sealing sleeve 3, the side surface of the fixed L-shaped annular plate 5 is in sliding connection with the inner surface of the fixed cavity 4, a sliding L-shaped annular plate 6 is slidably connected to the outer surface of the bell-shaped shell 1, the side surface of the sliding L-shaped annular plate 6 is in compression connection with the outer surface of the sealing sleeve 3, a first threaded barrel 7 is in threaded connection with the side surface of the bell-shaped shell 1, the right side surface of the, the inner surface of the ball groove 8 is connected with a ball 9 in a sliding manner, the outer surface of the ball 9 is in compression joint with the left side of the sliding L-shaped ring plate 6, the ball 9 reduces friction between the first threaded cylinder 7 and the sliding L-shaped ring plate 6, so that the first threaded cylinder 7 and the sliding L-shaped ring plate 6 can slide relatively, when the sealing sleeve 3 is fixed, the sealing sleeve 3 is prevented from being damaged due to overlarge sliding friction force, the left side of the bell-shaped shell 1 is fixedly connected with a fixed cylinder 10, the inside of the fixed cylinder 10 is arranged to be regular hexagonal, the right end of the transmission shaft 2 is fixedly connected with a fixed block 11, the right side of the fixed block 11 is in compression joint with the left side of the bell-shaped shell 1, the outer surface of the fixed block 11 is in sliding connection with the inner surface of the fixed cylinder 10, the side of the fixed cylinder 10 is provided with a first sliding groove 12, the inner surface of the second sliding chute 14 is in sliding connection with the outer surface of the positioning rod 13, the outer surface of the fixed cylinder 10 is in threaded connection with a second threaded cylinder 15, the inner surface of the second threaded cylinder 15 is in compression connection with one end of the positioning rod 13, a sleeve 16 is fixedly connected to the right side of the sealing sleeve 3, and the inner cavity of the sleeve 16 is communicated with the inner cavity of the sealing sleeve 3.
And those not described in detail in this specification are well within the skill of those in the art.
When the device is used, the sealing sleeve 3 is sleeved on the bell-shaped shell 1, the sealing sleeve 3 is moved, the fixed L-shaped annular plate 5 enters the fixed cavity 4, the sliding L-shaped annular plate 6 is moved, the sliding L-shaped annular plate 6 is sleeved on the sealing sleeve 3, the balls 9 are placed in the ball grooves 8, the first threaded cylinder 7 is rotated, when the device is in contact with the sliding L-shaped annular plate 6, the sliding L-shaped annular plate 6 is driven to move towards the right, the L-shaped annular plate 6 drives the sealing sleeve 3 to move towards the right, the sealing sleeve 3 is in close contact with the fixed L-shaped annular plate 5, the sealing sleeve 3 is fixed, the fixed block 11 is placed in the fixed cylinder 10, the positioning rod 13 penetrates through the first sliding groove 12 and the second sliding groove 14, the second threaded cylinder 15 is rotated, the second threaded cylinder 15 is sleeved on the fixed cylinder 10, and the position.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an outer bell shell with dustproof surface seal structure, includes outer bell shell (1) and transmission shaft (2), the right-hand member of transmission shaft (2) and the left side swing joint of outer bell shell (1), its characterized in that: the outer surface of the bell-shaped shell (1) is sleeved with a sealing sleeve (3), a fixed cavity (4) is formed in an inner cavity of the sealing sleeve (3), a fixed L-shaped annular plate (5) is fixedly connected to the outer surface of the bell-shaped shell (1), the outer surface of the fixed L-shaped annular plate (5) is in sliding connection with the inner cavity of the sealing sleeve (3), the side face of the fixed L-shaped annular plate (5) is in sliding connection with the inner surface of the fixed cavity (4), a sliding L-shaped annular plate (6) is in sliding connection with the outer surface of the bell-shaped shell (1), the side face of the sliding L-shaped annular plate (6) is in compression connection with the outer surface of the sealing sleeve (3), a first threaded cylinder (7) is in threaded connection with the side face of the bell-shaped shell (1), and the right side of the first threaded cylinder (7) is in.
2. The outer race with a dust seal structure according to claim 1, wherein: a ball groove (8) is formed in the side face of the first threaded cylinder (7), a ball (9) is connected to the inner surface of the ball groove (8) in a sliding mode, and the outer surface of the ball (9) is in compression joint with the left side of the sliding L-shaped ring plate (6).
3. The outer race with a dust seal structure according to claim 1, wherein: the left side of the bell-shaped shell (1) is fixedly connected with a fixed cylinder (10), the right end of the transmission shaft (2) is fixedly connected with a fixed block (11), the right side of the fixed block (11) is in compression joint with the left side of the bell-shaped shell (1), and the outer surface of the fixed block (11) is in sliding connection with the inner surface of the fixed cylinder (10).
4. The outer race with a dust seal structure according to claim 3, characterized in that: the side surface of the fixed cylinder (10) is provided with a first sliding groove (12), and the inner surface of the first sliding groove (12) is connected with a positioning rod (13) in a sliding manner.
5. The outer race with a dust seal structure according to claim 3, characterized in that: and a second sliding groove (14) is formed in the side surface of the fixing block (11), and the inner surface of the second sliding groove (14) is in sliding connection with the outer surface of the positioning rod (13).
6. The outer race with a dust seal structure according to claim 3, characterized in that: the outer surface of the fixed cylinder (10) is in threaded connection with a second threaded cylinder (15), and the inner surface of the second threaded cylinder (15) is in compression joint with one end of the positioning rod (13).
7. The outer race with a dust seal structure according to claim 1, wherein: the right side fixedly connected with sleeve (16) of seal cover (3), and the inner chamber of sleeve (16) and the inner chamber intercommunication of seal cover (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020668287.6U CN212131104U (en) | 2020-04-28 | 2020-04-28 | Bell-shaped shell with dustproof surface sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020668287.6U CN212131104U (en) | 2020-04-28 | 2020-04-28 | Bell-shaped shell with dustproof surface sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212131104U true CN212131104U (en) | 2020-12-11 |
Family
ID=73691804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020668287.6U Active CN212131104U (en) | 2020-04-28 | 2020-04-28 | Bell-shaped shell with dustproof surface sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212131104U (en) |
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2020
- 2020-04-28 CN CN202020668287.6U patent/CN212131104U/en active Active
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