CN216731435U - Auxiliary mechanism for automobile flexible socket net - Google Patents
Auxiliary mechanism for automobile flexible socket net Download PDFInfo
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- CN216731435U CN216731435U CN202123340319.3U CN202123340319U CN216731435U CN 216731435 U CN216731435 U CN 216731435U CN 202123340319 U CN202123340319 U CN 202123340319U CN 216731435 U CN216731435 U CN 216731435U
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- sleeve
- shaft
- central shaft
- corrugated pipe
- inner support
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Abstract
The utility model relates to an auxiliary mechanism for an automobile flexible joint sleeve net, which comprises a central shaft, wherein a sleeve shaft is sleeved at the lower part of the central shaft, an inner support positioning mechanism is sleeved on the sleeve shaft, and the same inner support positioning mechanism is sleeved on the central shaft positioned above the sleeve shaft; the central shaft and the sleeve shaft synchronously rotate to drive the two groups of internal support positioning mechanisms to synchronously support out in the corrugated pipe along the radial direction; the inner support positioning mechanism positioned above moves upwards along with the central shaft synchronously and axially to elongate the corrugated pipe axially; the corrugated pipe is internally and correspondingly positioned by the inner support of the corrugated pipe from the upper inner support positioning mechanism and the lower inner support positioning mechanism, then the corrugated pipe is axially elongated by relatively keeping away from the axial direction of the two inner support positioning mechanisms, and finally the net sleeve is sleeved on the outer part of the corrugated pipe, so that the outer net sleeve of the corrugated pipe is uniformly arranged, the consistency of the stretching length of the net sleeve is ensured, and the whole performance of an automobile flexible joint is improved.
Description
Technical Field
The utility model relates to the technical field of flexible joint assembling devices, in particular to an auxiliary mechanism for an automobile flexible joint sleeve net.
Background
The automobile flexible joint is an important connecting piece for connecting an automobile engine and an exhaust system and playing roles in absorbing vibration and reducing vibration. The processing flow of the automobile flexible joint is generally as follows: the stainless steel plate is welded into a pipe fitting, the pipe fitting is hydraulically formed into a corrugated pipe, and an external net sleeve, a net protecting ring, a winding pipe and the like are added to the corrugated pipe. Wherein, the key process is to carry out the cover net outside the bellows body.
The existing process of sleeving the corrugated pipe body with the net is an artificial sleeving net, has the defects of low manual operation efficiency, and cannot ensure the consistency of the net stretching length of the sleeving net on the corrugated pipe body, so that the problem of the stretching consistency of the whole product of the automobile flexible joint cannot be solved all the time.
SUMMERY OF THE UTILITY MODEL
The applicant aims at the defects in the prior art and provides an auxiliary mechanism for the automobile flexible joint sleeve net with a reasonable structure, so that the sleeve of the external sleeve net of the corrugated pipe is uniform, the consistency of the stretching length of the sleeve net is ensured, and the integral performance of the automobile flexible joint is improved in a boosting manner.
The technical scheme adopted by the utility model is as follows:
an auxiliary mechanism for an automobile flexible joint sleeve net comprises a central shaft, a sleeve shaft is sleeved on the lower portion of the central shaft, an inner support positioning mechanism is sleeved on the sleeve shaft, and the same inner support positioning mechanism is sleeved on the central shaft above the sleeve shaft; the central shaft and the sleeve shaft synchronously rotate to drive the two groups of internal support positioning mechanisms to synchronously support out in the corrugated pipe along the radial direction; the inner support positioning mechanism positioned above moves upwards along with the central shaft synchronously and axially to elongate the corrugated pipe axially.
As a further improvement of the above technical solution:
the single-group inner supporting positioning mechanism comprises cams, and when the cams rotate by taking the axial direction of the central shaft as a center, the cams push sliding tongues uniformly arranged on the circumferential outer part to extend outwards in the radial direction.
The structure of the internal support positioning mechanism is as follows: the positioning seat is characterized by comprising a positioning seat, wherein the middle part of the top surface of the positioning seat accommodates a cam through a sunken step surface, a plurality of sliding chutes arranged along the radial direction are formed in the positioning seat positioned on the circumferential outer part of the cam, and sliding tongues are assembled in the single sliding chutes; the top surface of the positioning seat is provided with an upper ring seat, a sliding guide shaft pin is arranged between each single sliding tongue and the upper ring seat, and springs are sleeved on the shaft pins between the sliding tongues and the upper ring seat.
The upper part of the central shaft and the upper part of the sleeve shaft are both provided with connecting parts with rectangular cross sections, and the connecting parts and the cams in the corresponding inner support positioning mechanisms are fixedly arranged.
And a guide rod is arranged between two groups of internal support positioning mechanisms positioned at the circumferential outer part of the central shaft, and the internal support positioning mechanisms above move up and down relative to the guide rod.
The lower part of the sleeve shaft is provided with an elongated slot along the axial direction, and a bolt is arranged through the elongated slot and the central shaft; when the central shaft moves axially relative to the sleeve shaft, the bolt moves along the length direction of the long groove.
The width of the long groove is consistent with the diameter of the bolt.
The external driving power drives the sleeve shaft to rotate, and the sleeve shaft drives the central shaft to synchronously rotate through the bolt.
The cross section of the lower part of the sleeve shaft is of a rectangular structure, the rectangular structure is sleeved with a connecting plate, and external driving power drives the sleeve shaft to rotate through the connecting plate.
The middle part of the outer circumferential surface of the sleeve shaft is rotatably sleeved with a support, and the bottom end of the corrugated pipe is supported by the support.
The utility model has the following beneficial effects:
the corrugated pipe inner support positioning device is compact and reasonable in structure and convenient to operate, the corrugated pipe is positioned by the inner support of the upper and lower groups of inner support positioning mechanisms from the inside, then the corrugated pipe is axially elongated by the relative axial distance of the two groups of inner support positioning mechanisms, and finally the outer part of the corrugated pipe is sleeved with the net sleeve, so that the outer net sleeve of the corrugated pipe is uniformly arranged, the consistency of the stretching length of the net sleeve is ensured, the problem of the consistency of the integral stretching length of the automobile flexible joint is effectively solved, and the integral performance of the automobile flexible joint is improved;
the utility model also comprises the following advantages:
the two groups of inner support positioning mechanisms are synchronously supported out through the synchronous rotation of the sleeve shaft and the central shaft, and the inner support positioning is carried out on the corresponding nodes on the corrugated pipe, so that the positioning is stable, reliable and consistent;
the multiple groups of sliding tongues are synchronously pushed by the rotation of the cam, so that the actions of the sliding tongues in the same circumferential direction are consistent, the concentricity of the corrugated pipe, the central shaft and the sleeve shaft after the inner support positioning is ensured, and the automation and the consistency of the sleeve net in the subsequent process are realized by assistance.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of fig. 1.
Fig. 3 is an exploded view of the inner support positioning mechanism of the present invention.
Fig. 4 is a schematic structural view (extended state of the sliding tongue) of the internal stay positioning mechanism of the utility model.
Fig. 5 is a schematic view of the present invention in a use state (a tongue extended state).
Fig. 6 is a partially enlarged view of a portion a in fig. 5.
Wherein: 1. an inner support positioning mechanism; 2. a guide bar; 3. a central shaft; 4. a sleeve shaft; 5. a bolt; 6. a support; 7. a connector tile; 8. a bellows; 10. a joining section;
11. positioning seats; 12. an upper ring seat; 13. a cam; 14. a sliding tongue; 15. a shaft pin; 16. a spring; 111. a chute; 112. a step surface;
41. a long groove; 42. a rectangular configuration.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 and fig. 2, the auxiliary mechanism for the flexible socket netting of the present embodiment includes a central shaft 3, a sleeve shaft 4 is sleeved on the lower portion of the central shaft 3, an inner support positioning mechanism 1 is sleeved on the sleeve shaft 4, and the same inner support positioning mechanism 1 is sleeved on the central shaft 3 above the sleeve shaft 4; the central shaft 3 and the sleeve shaft 4 synchronously rotate to drive the two groups of internal support positioning mechanisms 1 to synchronously support out in the corrugated pipe 8 along the radial direction; the upper inner support positioning mechanism 1 moves upwards synchronously along with the central shaft 3 in the axial direction, and the corrugated pipe 8 is axially elongated.
The bellows 8 is correspondingly positioned by the inner support of the corrugated pipe from the inside through the upper and lower inner support positioning mechanisms 1, then the bellows 8 is relatively axially elongated by keeping away from the axial direction of the two inner support positioning mechanisms 1, and finally the net cover is sleeved on the outside of the bellows 8, so that the net cover outside the bellows 8 is uniformly arranged, and the consistency of the stretching length of the net cover is ensured.
As shown in fig. 3 and 4, each single-group inner-supporting positioning mechanism 1 comprises a cam 13, and when the cam 13 rotates around the axial direction of the central shaft 3, the cam 13 pushes sliding tongues 14 uniformly arranged on the circumferential outer part to extend outwards in the radial direction; the plurality of groups of sliding tongues 14 are synchronously pushed by the rotation of the cam 13, so that the actions of the sliding tongues 14 in the same circumferential direction are consistent, the concentricity of the corrugated pipe 8, the central shaft 3 and the sleeve shaft 4 after the inner support positioning is ensured, and the automation and the consistency of the sleeve net in the subsequent process are realized by assistance.
The structure of the internal support positioning mechanism 1 is as follows: the positioning seat comprises a positioning seat 11, wherein the middle part of the top surface of the positioning seat 11 accommodates a cam 13 through a sunken step surface 112, a plurality of sliding grooves 111 arranged along the radial direction are formed in the positioning seat 11 positioned on the circumferential outer part of the cam 13, and sliding tongues 14 are assembled in the single sliding grooves 111; the top surface of the positioning seat 11 is provided with an upper ring seat 12, a sliding guide shaft pin 15 is arranged between the single sliding tongue 14 and the upper ring seat 12, and a spring 16 is sleeved on the shaft pin 15 between the sliding tongue 14 and the upper ring seat 12.
In this embodiment, four sets of sliding tongues 14 and sliding grooves 111 are correspondingly arranged, and four corresponding protrusions are uniformly distributed on the cam 13 along the circumferential direction to form the cam 13 for synchronously pushing the four sets of sliding tongues 14 to move.
The upper part of the central shaft 3 and the upper part of the sleeve shaft 4 are both provided with connecting parts 10 with rectangular cross sections, and the connecting parts 10 and the cams 13 in the corresponding inner support positioning mechanisms 1 are fixedly arranged, so that the cams 13 and the central shaft 3 or the sleeve shaft 4 are reliably arranged and rotate synchronously.
Be located and install guide bar 2 jointly between two sets of internal stay positioning mechanism 1 of center pin 3 circumference outside, the internal stay positioning mechanism 1 of top reciprocates for guide bar 2, and when bellows 8 by axial elongation, guide bar 2 plays the guide effect.
The lower part of the sleeve shaft 4 is provided with a long groove 41 along the axial direction, and a bolt 5 is arranged by penetrating the long groove 41 and the central shaft 3; when the central shaft 3 moves axially relative to the sleeve shaft 4, the plug pin 5 moves along the longitudinal direction of the long groove 41, and the distance of the axial movement of the central shaft 3 relative to the sleeve shaft 4 can be limited by the length of the long groove 41.
The width dimension of the elongated slot 41 corresponds to the diameter of the plug pin 5.
The external driving power drives the sleeve shaft 4 to rotate, and the sleeve shaft 4 drives the central shaft 3 to synchronously rotate through the bolt 5; through the synchronous rotation of sleeve shaft 4 and central shaft 3, make two sets of internal stay positioning mechanism 1 prop out in step, carry out the internal stay location to the corresponding node on bellows 8, the location is stable, reliable, unanimous.
The cross section of the lower part of the sleeve shaft 4 is a rectangular structure 42, a connecting plate 7 is sleeved on the rectangular structure 42, and external driving power drives the sleeve shaft 4 to rotate through the connecting plate 7; the rectangular structure 42 makes the connection plate 7 drive the sleeve shaft 4 to rotate more stably, reliably and consistently.
The middle part of the outer circumference of the sleeve shaft 4 is rotatably sleeved with a support 6, and the bottom end of the corrugated pipe 8 is supported by the support 6.
The use mode of the utility model is as follows:
as shown in fig. 5, the corrugated tube 8 is placed on the support 6 from top to bottom, so that the inner support positioning mechanism 1 and the guide rod 2 are both located inside the corrugated tube 8;
the external driving power works, the sleeve shaft 4 is driven to rotate by the connecting plate 7, and the sleeve shaft 4 drives the central shaft 3 to synchronously rotate by the bolt 5; the sleeve shaft 4 and the central shaft 3 rotate to drive the cam 13 in the corresponding inner-supporting positioning mechanism 1 to synchronously rotate, the circumferential convex part of the cam 13 radially applies force to the sliding tongue 14, so that the sliding tongue 14 extends out of the positioning seat 11 along the radial sliding groove 111, and the outer end head of the sliding tongue 14 is clamped at a certain node of the corrugated pipe 8, as shown in fig. 6; the spring 16 is now compressed;
the central shaft 3 is pushed by power to move upwards, the central shaft 3 drives the inner support positioning mechanism 1 to move upwards, the sliding tongue 14 in the inner support positioning mechanism 1 moves upwards, and the corrugated pipe 8 is axially elongated upwards through the corresponding node at the clamping position;
sleeving a net sleeve on the outer wall surface of the corrugated pipe 8 from top to bottom, wherein after the net sleeve is sleeved, the central shaft 3 descends reversely, the corrugated pipe 8 recovers, and the net sleeve is sleeved on the outer wall surface of the corrugated pipe 8 uniformly; the external driving power works reversely, so that the cam 13 moves reversely, the sliding tongue 14 retracts reversely under the reset of the spring 16, the corrugated pipe 8 is loosened, and the corrugated pipe 8 sleeved with the net sleeve is taken down.
The utility model has simple operation and convenient and reliable use, realizes the uniform sleeving of the external net sleeve of the corrugated pipe 8, ensures the consistency of the stretching length of the net sleeve, effectively solves the problem of the consistency of the integral stretching length of the automobile flexible joint, and is good in practicability and can help to improve the working efficiency.
The above description is intended to illustrate the present invention and not to limit the present invention, which is defined by the scope of the claims, and may be modified in any manner within the scope of the present invention.
Claims (10)
1. An auxiliary mechanism for an automotive flexible socket net is characterized in that: the device comprises a central shaft (3), wherein a sleeve shaft (4) is sleeved on the lower part of the central shaft (3), an inner support positioning mechanism (1) is sleeved on the sleeve shaft (4), and the same inner support positioning mechanism (1) is sleeved on the central shaft (3) above the sleeve shaft (4); the central shaft (3) and the sleeve shaft (4) synchronously rotate to drive the two groups of inner support positioning mechanisms (1) to synchronously support out in the corrugated pipe (8) along the radial direction; the inner support positioning mechanism (1) positioned above moves upwards along with the central shaft (3) synchronously and axially, and the corrugated pipe (8) is axially elongated.
2. The assist mechanism for an automotive flexible joint cover net according to claim 1, characterized in that: the single-group inner supporting positioning mechanism (1) comprises cams (13), and when the cams (13) rotate by taking the axial direction of the central shaft (3) as a center, the cams (13) push sliding tongues (14) uniformly arranged on the peripheral outer part to extend outwards in the radial direction.
3. The assist mechanism for an automotive flexible joint cover net according to claim 2, characterized in that: the structure of the internal support positioning mechanism (1) is as follows: the positioning seat comprises a positioning seat (11), wherein the middle part of the top surface of the positioning seat (11) accommodates a cam (13) through a sunken step surface (112), a plurality of sliding chutes (111) which are arranged along the radial direction are formed in the positioning seat (11) which is positioned on the circumferential outer part of the cam (13), and sliding tongues (14) are assembled in the single sliding chutes (111); the top surface of the positioning seat (11) is provided with an upper ring seat (12), a sliding guide shaft pin (15) is arranged between the single sliding tongue (14) and the upper ring seat (12), and a spring (16) is sleeved on the shaft pin (15) between the sliding tongue (14) and the upper ring seat (12).
4. The assist mechanism for an automotive flexible joint cover net according to claim 2, characterized in that: the upper portion of the central shaft (3) and the upper portion of the sleeve shaft (4) are both provided with a connecting portion (10) with a rectangular cross section, and the connecting portion (10) and a cam (13) in the corresponding inner support positioning mechanism (1) are fixedly mounted.
5. The assist mechanism for an automotive flexible joint cover net according to claim 1, characterized in that: a guide rod (2) is installed between two groups of internal support positioning mechanisms (1) located on the circumferential outer portion of the central shaft (3), and the internal support positioning mechanisms (1) above move up and down relative to the guide rod (2).
6. The assist mechanism for an automotive flexible socket net according to claim 1, characterized in that: the lower part of the sleeve shaft (4) is provided with a long groove (41) along the axial direction, and a bolt (5) is arranged by penetrating the long groove (41) and the central shaft (3); when the central shaft (3) moves axially relative to the sleeve shaft (4), the plug pin (5) moves along the length direction of the long groove (41).
7. The assist mechanism for an automotive flexible joint cover net according to claim 6, characterized in that: the width dimension of the long groove (41) is consistent with the diameter of the plug pin (5).
8. The assist mechanism for an automotive flexible joint cover net according to claim 6, characterized in that: the external driving power drives the sleeve shaft (4) to rotate, and the sleeve shaft (4) drives the central shaft (3) to synchronously rotate through the bolt (5).
9. The assist mechanism for an automotive flexible joint cover net according to claim 8, characterized in that: the cross section of sleeve axle (4) lower part is rectangle structure (42), and the cover is equipped with connection plate (7) on rectangle structure (42), and external drive power drives sleeve axle (4) through connection plate (7) and rotates.
10. The assist mechanism for an automotive flexible joint cover net according to claim 1, characterized in that: the middle part of the outer circumferential surface of the sleeve shaft (4) is rotatably sleeved with a support (6), and the bottom end of the corrugated pipe (8) is supported by the support (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123340319.3U CN216731435U (en) | 2021-12-28 | 2021-12-28 | Auxiliary mechanism for automobile flexible socket net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123340319.3U CN216731435U (en) | 2021-12-28 | 2021-12-28 | Auxiliary mechanism for automobile flexible socket net |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216731435U true CN216731435U (en) | 2022-06-14 |
Family
ID=81938400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123340319.3U Active CN216731435U (en) | 2021-12-28 | 2021-12-28 | Auxiliary mechanism for automobile flexible socket net |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216731435U (en) |
-
2021
- 2021-12-28 CN CN202123340319.3U patent/CN216731435U/en active Active
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