CN214092691U - Gear selecting and shifting flexible shaft structure - Google Patents
Gear selecting and shifting flexible shaft structure Download PDFInfo
- Publication number
- CN214092691U CN214092691U CN202023212554.8U CN202023212554U CN214092691U CN 214092691 U CN214092691 U CN 214092691U CN 202023212554 U CN202023212554 U CN 202023212554U CN 214092691 U CN214092691 U CN 214092691U
- Authority
- CN
- China
- Prior art keywords
- guide cylinder
- cap
- connecting cap
- flexible shaft
- gear selecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Gear-Shifting Mechanisms (AREA)
- General Details Of Gearings (AREA)
Abstract
The utility model discloses a gear selecting and shifting flexible shaft structure, which comprises a pipe orifice, a guide cylinder and a pull rod, wherein the pipe orifice is connected with the corresponding end part of the guide cylinder through a first connecting cap; sealing structures are arranged between the pipe orifice and the first connecting cap, between the first connecting cap and the guide cylinder, between the guide cylinder and the second connecting cap, and between the second connecting cap and the pull rod. The utility model discloses between mouth of pipe and first connecting cap, between first connecting cap and the guide cylinder, the guide cylinder is connected cap, second with the second and is connected the fit clearance between cap and the pull rod and all set up seal structure, and the leakproofness is high, avoids inside dust, moisture etc. enter into the flexible axle of selecting to shift from the fit clearance each other separately, guarantees to select the reliability of the flexible axle of shifting, improves its life.
Description
Technical Field
The utility model belongs to the technical field of the automobile structure technique and specifically relates to a flexible axle structure of selecting to shift.
Background
The gear selecting and shifting flexible shaft is a speed changing operation mode which is widely applied to domestic heavy trucks and buses, has the advantages of simple structure, reliable transmission force, small occupied space and simple arrangement, and also has the characteristics of light weight, difficult noise generation during working and the like.
The reliability and the service life of the gear selecting and shifting flexible shaft are directly determined by the sealing performance of the gear selecting and shifting flexible shaft; the leakproofness of flexible axle of shifting is relatively poor in the present selection, has the clearance usually between flexible axle dabber and the outer tube inner wall, and inside dust, oil, water etc. can get into the flexible axle of shifting from the clearance, and then the reliability of the flexible axle of shifting is selected in the influence, reduces its life.
SUMMERY OF THE UTILITY MODEL
The applicant aims at the defects that the existing gear selecting and shifting flexible shaft is poor in sealing performance, the reliability of the gear selecting and shifting flexible shaft is affected, the service life of the gear selecting and shifting flexible shaft is shortened, the gear selecting and shifting flexible shaft structure is reasonable in structure, sealing performance is high, the reliability of the gear selecting and shifting flexible shaft is guaranteed, and the service life of the gear selecting and shifting flexible shaft is prolonged.
The utility model discloses the technical scheme who adopts as follows:
a gear selecting and shifting flexible shaft structure comprises a pipe orifice, a guide cylinder and a pull rod, wherein the pipe orifice is connected with the corresponding end part of the guide cylinder through a first connecting cap; sealing structures are arranged between the pipe orifice and the first connecting cap, between the first connecting cap and the guide cylinder, between the guide cylinder and the second connecting cap, and between the second connecting cap and the pull rod.
As a further improvement of the above technical solution:
the first connecting cap comprises a first cap top and a first cap body; the first crown is sleeved at the end part of the guide cylinder, and a first sealing ring is arranged between the guide cylinder and the first crown to form a sealing structure.
The first cap body is fixed on the periphery of the end part of the pipe orifice through riveting, and a sealing gasket is arranged between the inner surface of the first cap body and the outer surface of the pipe orifice to form a sealing structure.
The periphery of the end part of the guide cylinder is provided with a circle of bulges, and the outer diameter of the highest point of the bulges is larger than the inner diameter of the central hole of the first crown.
The first sealing ring is arranged between the bulge of the guide cylinder and the first crown.
The second connecting cap comprises a second cap top and a second cap body; the second cap top is sleeved on the pull rod, and a second sealing ring is arranged between the second cap top and the guide cylinder to form a sealing structure.
The second body of the second connecting cap is sleeved on the periphery of the end part of the guide cylinder, a second groove is formed in the outer peripheral surface of the end part of the guide cylinder, a second convex ring is correspondingly arranged on the inner peripheral surface of the second body, and the second convex ring is clamped into the second groove.
The periphery cover of guide cylinder is equipped with the dust cover, and one end of dust cover passes through first staple bolt locking on first connecting cap, and another tip passes through second staple bolt locking on the pull rod.
A first groove is formed in the outer peripheral face of a first cap body of the first connecting cap, a first convex ring is correspondingly arranged on the inner peripheral face of the dust cover, and the first convex ring is clamped into the first groove.
A lining is sleeved between the inner peripheral surface of the guide cylinder and the outer peripheral surface of the pull rod.
The utility model has the advantages as follows:
the utility model discloses between mouth of pipe and first connecting cap, between first connecting cap and the guide cylinder, the guide cylinder is connected cap, second with the second and is connected the fit clearance between cap and the pull rod and all set up seal structure, and the leakproofness is high, avoids inside dust, moisture etc. enter into the flexible axle of selecting to shift from the fit clearance each other separately, guarantees to select the reliability of the flexible axle of shifting, improves its life.
Drawings
Fig. 1 is a sectional view of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is an enlarged view of a portion B in fig. 1.
In the figure: 1. a pipe orifice; 2. a first connecting cap; 21. a first crown; 22. a first cap body; 23. a first groove; 3. a guide cylinder; 31. a protrusion; 32. a second groove; 4. a dust cover; 41. a first convex ring; 5. a pull rod; 6. a liner; 7. a second connecting cap; 71. a second crown; 72. a second cap body; 73. a second convex ring; 8. a gasket; 9. a first seal ring; 10. a second seal ring; 11. a first hoop; 12. and a second hoop.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, the nozzle 1 of the present invention is connected to the corresponding end of the guide cylinder 3 through a first connecting cap 2, a pull rod 5 is inserted into the guide cylinder 3 along the axial direction, two ends of the pull rod 5 penetrate out of the guide cylinder 3, the other end of the guide cylinder 3 is provided with a second connecting cap 7, a lining 6 is sleeved between the inner circumferential surface of the guide cylinder 3 and the outer circumferential surface of the pull rod 5, the outer circumferential surface of the guide cylinder 3 is covered with a dust cover 4, one end of the dust cover 4 is locked on the first connecting cap 2 through a first anchor ear 11, and the other end is locked on the pull rod 5 through a second anchor ear 12; the dust cover 4 prevents that dust, moisture etc. from entering the flexible axle of selecting to shift inside, guarantees to select the reliability of the flexible axle of shifting, improves its life.
As shown in fig. 1 and 2, the first connecting cap 2 includes a first crown 21 and a first body 22. First cap body 22 is fixed in 1 tip periphery of mouth of pipe through the riveting, sets up sealed pad 8 between 22 internal surfaces of first cap body and 1 surface of mouth of pipe and seals, avoids inside dust, moisture etc. enter into the flexible axle of shifting of selecting from the fit clearance between first cap body 22 and the mouth of pipe 1, guarantees to select the reliability of the flexible axle of shifting, improves its life. The first cap top 21 is sleeved at the end part of the guide cylinder 3, a circle of protrusions 31 are arranged on the periphery of the end part of the guide cylinder 3, the outer diameter of the highest point of each protrusion 31 is larger than the inner diameter of a central hole of the first cap top 21, the first connecting cap 2 is axially limited, and the first connecting cap 2 is prevented from being separated from the guide cylinder 3; be provided with first sealing washer 9 between the relative side between the arch 31 of guide cylinder 3 and the first crown 21 and seal, avoid inside dust, moisture etc. enter into the flexible axle of selecting to shift from the fit clearance between guide cylinder 3 and the first crown 21, guarantee to select the reliability of the flexible axle of shifting, improve its life. As shown in fig. 2, a circle of first grooves 23 is formed on the outer peripheral surface of the first body 22 of the first connecting cap 2, a first protruding ring 41 is correspondingly arranged on the inner peripheral surface of the dust cover 4, and the first protruding ring 41 is clamped into the first grooves 23 to limit the dust cover 4, so as to prevent the dust cover 4 from coming off from the first connecting cap 2.
As shown in fig. 1, the second connecting cap 7 includes a second crown 71 and a second body 72. The second crown 71 is sleeved on the pull rod 5, the second crown 71 is located on the outer side of the end portion of the guide cylinder 3, a second sealing ring 10 is arranged between the inner side face of the second crown 71 and the outer end face of the guide cylinder 3 for sealing, dust, moisture and the like are prevented from entering the interior of the gear selecting and shifting flexible shaft from a fit clearance between the second connecting cap 7 and the pull rod 5 and between the second crown 71 and the guide cylinder 3, reliability of the gear selecting and shifting flexible shaft is guaranteed, and the service life of the gear selecting and shifting flexible shaft is prolonged. As shown in fig. 3, the second body 72 of the second connecting cap 7 is sleeved on the outer periphery of the end portion of the guide cylinder 3, a circle of second groove 32 is formed in the outer periphery of the end portion of the guide cylinder 3, a second convex ring 73 is correspondingly arranged on the inner periphery of the second body 72, and the second convex ring 73 is clamped in the second groove 32 to limit the second connecting cap 7 and prevent the second connecting cap 7 from being disengaged from the guide cylinder 3.
The utility model discloses between mouth of pipe 1 and first connecting cap 2, between first connecting cap 2 and the guide cylinder 3, guide cylinder 3 and second are connected cap 7, the second and are connected the fit clearance between cap 7 and the pull rod 5 and all set up seal structure, and the leakproofness is high, avoids inside dust, moisture etc. enter into the flexible axle of selecting to shift from the fit clearance each other separately, guarantees to select the reliability of the flexible axle of shifting, improves its life.
The above description is illustrative of the present invention and is not intended to limit the present invention, and the present invention may be modified in any manner without departing from the spirit of the present invention.
Claims (10)
1. The utility model provides a select flexible axle structure of shifting, includes mouth of pipe (1), guide cylinder (3), pull rod (5), its characterized in that: the pipe orifice (1) is connected with the corresponding end part of the guide cylinder (3) through a first connecting cap (2), a pull rod (5) is inserted in the guide cylinder (3), a second connecting cap (7) is arranged at the other end part of the guide cylinder (3), and the second connecting cap (7) is sleeved on the pull rod (5); sealing structures are arranged between the pipe orifice (1) and the first connecting cap (2), between the first connecting cap (2) and the guide cylinder (3), between the guide cylinder (3) and the second connecting cap (7), and between the second connecting cap (7) and the pull rod (5).
2. The gear selecting and shifting flexible shaft structure according to claim 1, characterized in that: the first connecting cap (2) comprises a first crown (21) and a first cap body (22); the end part of the guide cylinder (3) is sleeved with the first cap top (21), and a first sealing ring (9) is arranged between the guide cylinder (3) and the first cap top (21) to form a sealing structure.
3. The gear selecting and shifting flexible shaft structure according to claim 2, characterized in that: first cap body (22) are fixed in mouth of pipe (1) tip periphery through the riveting, set up sealed pad (8) formation seal structure between first cap body (22) internal surface and mouth of pipe (1) surface.
4. The gear selecting and shifting flexible shaft structure according to claim 2, characterized in that: the periphery of the end part of the guide cylinder (3) is provided with a circle of protrusions (31), and the outer diameter of the highest point of each protrusion (31) is larger than the inner diameter of the central hole of the first crown (21).
5. The gear selecting and shifting flexible shaft structure according to claim 2, characterized in that: the first sealing ring (9) is arranged between the bulge (31) of the guide cylinder (3) and the first crown (21).
6. The gear selecting and shifting flexible shaft structure according to claim 1, characterized in that: the second connecting cap (7) comprises a second crown (71) and a second body (72); the second cap top (71) is sleeved on the pull rod (5), and a second sealing ring (10) is arranged between the second cap top (71) and the guide cylinder (3) to form a sealing structure.
7. The gear selecting and shifting flexible shaft structure according to claim 6, characterized in that: the second cap body (72) of the second connecting cap (7) is sleeved on the periphery of the end part of the guide cylinder (3), the outer peripheral surface of the end part of the guide cylinder (3) is provided with a second groove (32), the inner peripheral surface of the second cap body (72) is correspondingly provided with a second convex ring (73), and the second convex ring (73) is clamped in the second groove (32).
8. The gear selecting and shifting flexible shaft structure according to claim 1, characterized in that: the periphery of the guide cylinder (3) is covered with a dust cover (4), one end of the dust cover (4) is locked on the first connecting cap (2) through a first hoop (11), and the other end of the dust cover is locked on the pull rod (5) through a second hoop (12).
9. The gear selecting and shifting flexible shaft structure according to claim 8, characterized in that: a first groove (23) is formed in the outer peripheral surface of a first cap body (22) of the first connecting cap (2), a first convex ring (41) is correspondingly arranged on the inner peripheral surface of the dust cover (4), and the first convex ring (41) is clamped into the first groove (23).
10. The gear selecting and shifting flexible shaft structure according to claim 1, characterized in that: an inner lining (6) is sleeved between the inner peripheral surface of the guide cylinder (3) and the outer peripheral surface of the pull rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023212554.8U CN214092691U (en) | 2020-12-28 | 2020-12-28 | Gear selecting and shifting flexible shaft structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023212554.8U CN214092691U (en) | 2020-12-28 | 2020-12-28 | Gear selecting and shifting flexible shaft structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214092691U true CN214092691U (en) | 2021-08-31 |
Family
ID=77433915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023212554.8U Active CN214092691U (en) | 2020-12-28 | 2020-12-28 | Gear selecting and shifting flexible shaft structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214092691U (en) |
-
2020
- 2020-12-28 CN CN202023212554.8U patent/CN214092691U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106369039A (en) | Antifriction gasket and manufacture method thereof as well as constant velocity joint drive shaft assembly | |
| CN214092691U (en) | Gear selecting and shifting flexible shaft structure | |
| CN210889983U (en) | Combined bevel gear structure of automobile transmission | |
| CN215171659U (en) | Corrugated pipe sealing structure and tooth type coupling using same | |
| CN108570805B (en) | Washing machine speed reduction clutch and washing machine | |
| CN209781457U (en) | Isolator bearing | |
| CN203384278U (en) | Column-type vibration damper | |
| CN211468649U (en) | Fuel tank cover of motorcycle | |
| CN219712090U (en) | Gearbox output flange | |
| CN212775229U (en) | High-speed grease-saving sealing plug cover structure of transmission shaft | |
| CN218198485U (en) | Automobile auxiliary band jig | |
| CN218093845U (en) | A drive connection frock for engine performance test | |
| CN216078189U (en) | Hydraulic torque converter shell cover plate | |
| CN112224154B (en) | Steering transmission shaft device | |
| CN201973121U (en) | Universal joint for bearing with shaft sealing structure | |
| CN212804227U (en) | Detachable oil seal | |
| CN220791886U (en) | Shock absorber and vehicle with same | |
| CN214838284U (en) | Straight-pull two-gear speed reducer | |
| CN219510052U (en) | Novel sealing structure of drum-type EPB actuating mechanism | |
| CN220227776U (en) | Mud seal structure is prevented to top drive reducing gear box | |
| CN217081413U (en) | Reciprocating oil seal | |
| CN216867496U (en) | Washing water-proof oil seal special for washing machine | |
| CN213176573U (en) | Self-locking type framework dust cover | |
| CN218913692U (en) | Bevel gear shaft | |
| CN207333625U (en) | A kind of gear ring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |