CN210164862U - Adjusting assembly of vehicle transmission chain - Google Patents
Adjusting assembly of vehicle transmission chain Download PDFInfo
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- CN210164862U CN210164862U CN201920483286.1U CN201920483286U CN210164862U CN 210164862 U CN210164862 U CN 210164862U CN 201920483286 U CN201920483286 U CN 201920483286U CN 210164862 U CN210164862 U CN 210164862U
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- 230000005540 biological transmission Effects 0.000 title abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 abstract description 9
- 230000010355 oscillation Effects 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model discloses an adjusting assembly of a vehicle transmission chain, which comprises a main body, a rocker arm, a torsion spring and a tension pulley component; the main body comprises a barrel body, a connecting plate and a coaming, wherein one end of the rocker arm is provided with an inner hole and a matching plate, the matching plate is provided with a second positioning hole corresponding to the first positioning hole, and the other end of the rocker arm is provided with a column sleeve; the torsion spring comprises a steel wire bundle, and a first tightening cap and a second tightening cap are respectively arranged at two ends of the steel wire bundle; the first tight hoop cap is embedded and fixed in the inner hole, and the second tight hoop cap is embedded and fixed at the tail end of the barrel. The utility model discloses a main part will install and fix on the engine, carry out supplementary installation through two locating holes to adopted the torsional spring that has big return moment to be connected and then control the rocking arm with the rocking arm, two limiting plates of configuration simultaneously can restrict the amplitude of oscillation of swing arm, and structure occupation space is little, and the cost is lower relatively, and the tensile force is difficult for the decay greatly.
Description
Technical Field
The utility model relates to a vehicle drive chain's regulation assembly, concretely designs the adjusting device who is used for adjusting engine drive chain rate of tension.
Background
The engine is one of the main power equipment of the automobile, and the engine is usually driven by a belt, and mainly transmits power to drive equipment such as a generator, a water pump, a compressor and the like to work. The belt of the engine generally needs to be provided with a device for adjusting the tension degree, and meanwhile, in order to meet the installation position, the size of the adjusting device needs to be matched with the installation position and the space of the engine transmission structure.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a vehicle drive chain's regulation assembly for adjust the rate of tension of vehicle engine's chain belt.
To achieve the above objects, one embodiment of the present invention provides an adjusting assembly for a vehicle transmission chain, comprising a main body, a rocker arm, a torsion spring, and a tension wheel assembly mounted on the rocker arm;
the main body comprises a barrel for mounting the torsion spring, a connecting plate and a coaming, wherein the connecting plate is arranged on the barrel and provided with a mounting hole, the coaming is provided with a first positioning hole, and an upper limiting plate and a lower limiting plate are arranged on two sides of the first positioning hole;
one end of the rocker arm is provided with an inner hole and a matching plate, the matching plate is provided with a second positioning hole corresponding to the first positioning hole, and the other end of the rocker arm is provided with a column sleeve;
the torsion spring comprises a steel wire bundle with a plurality of steel wires tightly attached together, and a first tightening cap and a second tightening cap are respectively arranged at two ends of the steel wire bundle; the first tight hoop cap is embedded and fixed in the inner hole, and the second tight hoop cap is embedded and fixed at the tail end of the barrel.
The tensioning wheel assembly comprises a wheel mandrel, a bracket, a spring support, a spring, a bearing mandrel, a tensioning wheel, a first bearing, a second bearing and a rotating frame;
the wheel core shaft is provided with a first mounting table and a second mounting table, the support is nested on the first mounting table, and the support is provided with a baffle; the spring support is arranged on the inner side of the baffle plate of the bracket and provided with a first mounting groove, and the spring is fixed in the first mounting groove; the lower end of the bearing mandrel is sleeved on the spring and the spring support, the upper end of the bearing mandrel is embedded and fixed in the first bearing, and the periphery of the first bearing is provided with a tension wheel;
a rotating frame is arranged in the wheel mandrel, a second bearing is nested on the wheel mandrel, and a bearing mandrel is arranged outside the second bearing; the hole on the bearing mandrel is an eccentric hole, and the second bearing is arranged in the eccentric hole; and the bearing mandrel and the support are both provided with perforated assembling plates.
Preferably, the diameter of the tail end of the barrel is larger than that of the front end, the strip-shaped teeth arranged inside the tail end and matched with the strip-shaped teeth on the second tightening cap are used for fixing the steel wire bundle, and the second tightening cap is in interference fit with the tail end of the barrel.
Preferably, all be provided with the bar tooth on the inner wall of hole and the outer wall of first lock ring cap, first lock ring cap interference fit installs in the hole.
Preferably, be provided with three mounting hole on the connecting plate, first tight hoop cap and the tight hoop cap of second are hexagon nut shape, and its inside hole also is the hexagonal screw.
Preferably, the first mounting groove of the spring support is formed by two vertical plates, and the second mounting groove is arranged in the lower end of the bearing mandrel.
Preferably, the second bearing is a self-lubricating bearing.
To sum up, the utility model has the advantages of it is following:
the utility model discloses a main part will install and fix on the engine, carry out supplementary installation through two locating holes to adopted the torsional spring that has big return moment to be connected and then control the rocking arm with the rocking arm, two limiting plates of configuration simultaneously can restrict the amplitude of oscillation of swing arm, and structure occupation space is little, and the cost is lower relatively, and the tensile force is difficult for the decay greatly.
The utility model discloses a take-up pulley subassembly has optimized the design space, can make the installation of every part more stable, and compact structure reduces driven shock through the spring, can the noise abatement and improve stability and the life-span of using.
Drawings
FIG. 1 is a schematic view of an adjustment device according to an embodiment of the present invention;
fig. 2 is a front view of an adjustment device according to an embodiment of the present invention;
fig. 3 is a top view of an adjustment device according to an embodiment of the present invention;
FIG. 4 is a schematic view of an assembly of a tensioning wheel assembly according to an embodiment of the present invention;
figure 5 is a schematic view of the internal structure of a tension pulley assembly according to an embodiment of the present invention;
fig. 6 is a bottom view of a tension wheel assembly according to an embodiment of the present invention;
figure 7 is a schematic view of a tensioner assembly in an embodiment of the present invention.
Wherein, 1, a main body; 2. a rocker arm; 3. a torsion spring; 4. a barrel; 5. a connecting plate; 6. mounting holes; 7. enclosing plates; 8. a first positioning hole; 9. an upper limiting plate; 10. a lower limiting plate; 11. an inner bore; 12. a positioning plate; 13. A second positioning hole; 14. a first locking cap; 15. a second locking cap; 16. a steel wire bundle; 17. a column sleeve; 51. A wheel spindle; 52. a support; 53. a spring support; 54. a spring; 55. a bearing mandrel; 56. a tension wheel; 57. a first bearing; 58. a second bearing; 59. rotating the frame; 510. a first mounting table; 511. a second mounting table; 512. a baffle plate; 513. a first mounting groove; 514. a second mounting groove; 515. an eccentric hole; 516. assembling a plate; 517. assembling a plate; 500. and (4) bolts.
Detailed Description
The utility model provides a vehicle drive chain's regulation assembly, include main part 1, rocking arm 2, torsional spring 3 and install the tensioning wheel subassembly on rocking arm 2. The main body 1 is a component used for fixing the device on an engine, and the rocker arm 2 can rotate on the main body for a certain angle under the action of the torsion spring 3 and automatically return after external force is lost, so that automatic tensioning is realized.
The main body 1 comprises a barrel 4 for mounting the torsion spring 3, a connecting plate 5 and a coaming 7, wherein the connecting plate is provided with a mounting hole 6 on the barrel 4, the coaming 7 is provided with a first positioning hole 8, and an upper limiting plate 9 and a lower limiting plate 10 are arranged on two sides of the first positioning hole 8. The cylinder 4 can be fixed by mounting holes 6 on the connecting plate 5, and preferably three mounting holes are provided on the connecting plate. The enclosing plate is perpendicular to the axial direction of the cylinder body, and the first positioning hole is used during installation.
An inner hole 11 and a coordination plate 12 are arranged at one end of the rocker arm 2, a second positioning hole 13 corresponding to the first positioning hole is arranged on the coordination plate 12, and a column sleeve 17 is arranged at the other end of the rocker arm 2.
The torsion spring 3 comprises a steel wire bundle 16 with a plurality of steel wires tightly adhered together, and a first tightening cap 14 and a second tightening cap 15 are respectively arranged at two ends of the steel wire bundle 16; a first clamping cap 14 is fixedly inserted into the inner hole 11, and a second clamping cap 15 is fixedly inserted into the rear end of the barrel 4.
Two ends of the torsion spring 3 are respectively connected with the rocker arm 2 and the main body 1, the main body 1 is fixed and then kept still, and the rocker arm 2 and the tensioning wheel component can swing. The locating plate 12 outwards protrudes and extends to the position between the upper limiting plate and the lower limiting plate 10 of the upper limiting plate 9, the rocker arm begins to swing in installation, the torsion spring stores power, the two locating holes are overlapped at the moment, the bolt is inserted into the two locating holes, and therefore the rocker arm can be clamped and cannot return. In this state the coordination plate can be brought into contact with the lower limiting plate to one of the extreme positions. Insert the belt that can let the engine this moment behind the bolt and cup joint on the take-up pulley, take out the bolt after the assembly is accomplished, the rocking arm receives the restoring moment of torsional spring and will drive the take-up pulley and take place the swing, and then can carry out the application of force to the belt to let the belt tensioning.
The utility model discloses an in the optimization embodiment, because the existence of the tight hoop cap 15 of second, can let the tail end diameter of barrel 4 be greater than the front end diameter, the inside bar tooth that is provided with of tail end 15 cooperates with the bar tooth that the tight hoop cap of second goes up and is used for fixed steel wire bundle 16, the tight hoop cap 15 of second and 4 tail end interference fit of barrel. During assembly, the second tightening cap and the cylinder are assembled firstly, the steel wire bundle penetrates through the cylinder and then is sleeved into the first tightening cap, the head end of the steel wire bundle is inserted into the inner hole, then the first tightening cap is extruded through the cylinder and is pressed into the inner hole, the steel wire bundle can be embedded into the first tightening cap firstly, and then the first tightening cap is clamped into the inner hole.
Meanwhile, in order to ensure that the connection between the rocker arm and the barrel is more stable, one end of the inner hole close to the barrel can be provided with an inwards concave platform, and a part of the front end of the barrel is embedded into the inner hole and blocked by the inwards concave platform to form a mode similar to the connection of a movable sleeve; at the moment, the inner wall of the cylinder body is flush with the inner wall of the inner hole, and the thickness of the cylinder body is the width of the concave platform. After the second clinch cap is installed, the bundle of steel wires is passed into the inner bore and the first clinch cap is pressed into the inner bore from a position to the left of the inner bore in fig. 1.
The utility model discloses an in the preferred embodiment, all be provided with the bar tooth on the inner wall of hole 11 and the outer wall of first lock ring cap 14, first lock ring cap 14 interference fit installs in the hole. The bar tooth can let the frictional force between the outer wall of first lock ring cap 14 and the hole 11 inner wall bigger, compares circular glossy inner wall and can prevent to skid, avoids the torsional spring inefficacy.
The utility model discloses an in the preferred embodiment, first lock ring cap 14 and second lock ring cap 15 are hexagon nut shape, and its inside hole also is the hexagon screw.
The utility model discloses a main part is fixed on the engine, utilizes the locating pin to rotate the rocking arm to the corner maximum position during installation, treats take-up pulley and belt or chain assembly back, will fix a position the cancellation again, and the rocking arm is at the effect of torsional spring toward gyration and moves to the rocking arm drives the take-up pulley and also rotates together, and the take-up pulley is just with the belt tensioning. Namely, the angle between the tension pulley and the installation surface is changed to tension the belt. The torsional spring adopts stranded hexagonal steel wire twine together, utilizes when stranded hexagonal steel wire rotatory to the maximum angle, and the huge restoring torque who produces tightens the belt. The structure occupies small space, has relatively low cost, large tension and is not easy to attenuate.
The utility model discloses a take-up pulley subassembly includes wheel dabber 51, support 52, spring support 53, spring 54, bearing dabber 55, take-up pulley 56, primary shaft holds 57, second bearing 58 and revolves frame 59.
The wheel spindle is provided with a first mounting table 510 and a second mounting table 511, the support is nested on the first mounting table, and the first mounting table can enable the support to be sleeved on the first mounting table, so that the size of the first mounting table is larger than that of the hole in the support, and the size of the second mounting table is slightly smaller than that of the hole in the support.
The bracket 52 is provided with a baffle 512, and the spring support is arranged on the inner side of the baffle of the bracket, so that the outer wall of the spring support is contacted with the inner wall of the baffle to form a fixing mode similar to nesting.
Spring support has first mounting groove 513, and the spring is fixed in first mounting groove 513, and first mounting groove can let the spring mounting back can not take place the skew when using for the stability of subassembly is better. Preferably, the first mounting groove of the spring support is formed by two vertical plates, the vertical plate on the outer side can be shorter than the vertical plate on the inner side, and the vertical plate is arc-shaped, so that the first mounting groove is in the shape of a circular groove, and the spring is convenient to mount.
The lower end of the bearing mandrel is sleeved on the spring and the spring support, a second mounting groove 514 can be arranged at the lower end of the bearing mandrel, the second mounting groove 515 is also an annular groove, the spring can be embedded into the second mounting groove, and therefore the spring is arranged in the first mounting groove and the second mounting groove; so no matter the bearing dabber takes place the displacement back in vertical direction, the spring still can be in two mounting grooves, can not take place the skew, avoids the spring to reduce in long-time life back.
The upper end embedding of bearing dabber is fixed in first bearing, and the take-up pulley is installed to first bearing periphery, and the take-up pulley can the free rotation, and the take-up pulley contacts with the cingulum when using.
The inside of the wheel mandrel is provided with a rotating frame, the second bearing is nested on the wheel mandrel, and the outside of the second bearing is provided with a bearing mandrel. Namely a rotating frame, a wheel core shaft, a second bearing, a bearing core shaft, a first bearing and a tension wheel are arranged from inside to outside in sequence. The second bearing is a self-lubricating bearing.
The hole on the bearing mandrel is an eccentric hole 515, and the center of the hole is not coincident with the center of the bearing mandrel, namely the eccentric hole. The second bearing is arranged in the eccentric hole; the support is provided with a mounting plate 516 with a hole, and the bearing mandrel is provided with a mounting plate 517. The assembling plate is mainly used for inserting a pin shaft into holes of the two assembling plates during assembling, and the two holes are aligned, so that the bearing mandrel is convenient to not shake, and the tensioning wheel and the toothed belt are convenient to mount. After the toothed belt is installed, the bolt is taken out, and the bearing mandrel automatically rotates to a tensioning position under the action of the spring.
When fixed take-up pulley, use a bolt 500 to run through spiral frame and wheel spindle inside, then let the bolt imbed inside column jacket 17 to can set up the internal thread in column jacket 17 or let bolt 500 run through a nut of cooperation behind the column jacket 17 fixed, and then make the take-up pulley subassembly fixed on rocking arm 2, the column jacket contacts with wheel spindle 51 this moment.
Claims (6)
1. An adjustment assembly of a vehicle drive chain, characterized in that: comprises a main body, a rocker arm, a torsion spring and a tension wheel assembly arranged on the rocker arm;
the main body comprises a barrel for mounting the torsion spring, a connecting plate and a coaming, wherein the connecting plate is arranged on the barrel and provided with a mounting hole, the coaming is provided with a first positioning hole, and an upper limiting plate and a lower limiting plate are arranged on two sides of the first positioning hole;
an inner hole and a matching plate are arranged at one end of the rocker arm, a second positioning hole corresponding to the first positioning hole is formed in the matching plate, and a column sleeve is arranged at the other end of the rocker arm;
the tensioning wheel assembly comprises a wheel mandrel, a support, a spring, a bearing mandrel, a tensioning wheel, a first bearing, a second bearing and a rotating frame;
the wheel core shaft is provided with a first mounting table and a second mounting table, the support is nested on the first mounting table, and a baffle is arranged on the support; the spring support is arranged on the inner side of the baffle plate of the bracket, the spring support is provided with a first mounting groove, and the spring is fixed in the first mounting groove; the lower end of the bearing mandrel is sleeved on the spring and the spring support, the upper end of the bearing mandrel is embedded and fixed in the first bearing, and the periphery of the first bearing is provided with a tension wheel;
a rotating frame is arranged in the wheel mandrel, a second bearing is nested on the wheel mandrel, and a bearing mandrel is arranged outside the second bearing; the hole on the bearing mandrel is an eccentric hole, and the second bearing is arranged in the eccentric hole; the bearing mandrel and the bracket are both provided with assembling plates with holes;
the first mounting groove of spring support comprises two risers, and the inside second mounting groove that is provided with of the lower extreme of bearing dabber.
2. The adjustment assembly for a vehicle drive chain of claim 1, wherein: the torsion spring comprises a steel wire bundle with a plurality of steel wires tightly attached together, and a first tightening cap and a second tightening cap are respectively arranged at two ends of the steel wire bundle; the first tightening cap is embedded and fixed in the inner hole, and the second tightening cap is embedded and fixed at the tail end of the barrel.
3. An adjustment assembly for a vehicle drive chain according to claim 2, wherein: the diameter of the tail end of the barrel is larger than that of the front end, the strip-shaped teeth arranged inside the tail end are matched with the strip-shaped teeth on the second tightening cap to be used for fixing the steel wire bundle, and the second tightening cap is in interference fit with the tail end of the barrel.
4. An adjustment assembly for a vehicle drive chain according to claim 2, wherein: all be provided with the bar tooth on the inner wall of hole and the outer wall of first lock ring cap, first lock ring cap interference fit installs in the hole.
5. An adjustment assembly for a vehicle drive chain according to claim 2, wherein: the connecting plate is provided with three mounting holes, the first tightening cap and the second tightening cap are in a hexagon nut shape, and holes inside the first tightening cap and the second tightening cap are also in a hexagon screw hole.
6. The adjustment assembly for a vehicle drive chain of claim 1, wherein: the second bearing is a self-lubricating bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920483286.1U CN210164862U (en) | 2019-04-11 | 2019-04-11 | Adjusting assembly of vehicle transmission chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920483286.1U CN210164862U (en) | 2019-04-11 | 2019-04-11 | Adjusting assembly of vehicle transmission chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210164862U true CN210164862U (en) | 2020-03-20 |
Family
ID=69789790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920483286.1U Expired - Fee Related CN210164862U (en) | 2019-04-11 | 2019-04-11 | Adjusting assembly of vehicle transmission chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210164862U (en) |
-
2019
- 2019-04-11 CN CN201920483286.1U patent/CN210164862U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200320 |
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| CF01 | Termination of patent right due to non-payment of annual fee |