CN205118184U - Damping pulley structure of integrated rotational speed signaling gear circle - Google Patents
Damping pulley structure of integrated rotational speed signaling gear circle Download PDFInfo
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- CN205118184U CN205118184U CN201520848039.9U CN201520848039U CN205118184U CN 205118184 U CN205118184 U CN 205118184U CN 201520848039 U CN201520848039 U CN 201520848039U CN 205118184 U CN205118184 U CN 205118184U
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- gear ring
- damper pulley
- tach signal
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- signal gear
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Abstract
The utility model discloses a damping pulley structure of integrated rotational speed signaling gear circle, including the bent axle, with the crankshaft's timing belt wheel and damping belt pulley, the damping belt pulley on the integrated rotational speed signaling gear circle that is provided with, be provided with the speed sensor installation corresponding to rotational speed signaling gear circle between bent axle and damping belt pulley and lap, speed sensor insert corresponding to rotational speed signaling gear circle and establish at speed sensor installation apron. The damping belt pulley be equipped with and be provided with spline tooth's socket circle in the hole of rotational speed signaling gear circle one side, timing belt take turns to be provided with with spline tooth's socket circle matched with spline ring gear. This damping pulley structure of integrated rotational speed signaling gear circle, it is integrated on the damping belt pulley with rotational speed signaling gear circle, practiced thrift the overall arrangement space, the damping belt pulley is connected through the spline fit between taking turns with timing belt, has reduced the mounting torque of damping belt pulley bolt, has improved accessory system's stability.
Description
Technical field
The utility model relates to automobile mechanical technical field, relates in particular to a kind of damper pulley structure of integrated tach signal gear ring.
Background technique
In traditional design, engine signal gear ring is arranged on the flywheel that is connected with clutch, speed probe is arranged on clutch housing, this kind of layout type takies larger space, in Engine Downsizing today, space is also come compacter, and particularly the utilization of double mass flywheel and double clutch faces more challenges making this traditional placement scheme.Meanwhile, damper pulley is fastened on crankshaft front end by bolt and pad, and crank torque is passed to accessory system by the face frictional force formed by bolt pretightening.For ensureing accessory system reliable and stable, enough large bolt pretightening need be applied to meet the face frictional force between damper pulley and bent axle, therefore bolt grade and mounting torque higher.
Chinese patent literature (the day for announcing: on January 15th, 2014, notification number: CN203394985U) disclose speed of crankshaft signal gear ring and the integrated assembly of bent axle, the utility model relates to automobile technical field, mainly solve under the prerequisite not increasing engine arrangement space requirement, provide reliable and stable tach signal to the problem of crankshaft-signal sensor.The utility model comprises bent axle, described bent axle is connected with a signal gear ring closest to the equilibrium block of gearbox, described equilibrium block comprises the original block structure and disc block structure that are connected, described original block structure is connected with connecting rod neck and main journal respectively with disc block structure, and described signal gear ring is admittedly placed on described disc block structured outside and is connected with disc block structure.
Technique scheme signal gear ring and bent axle are integrated into one firmly overall, avoid the construction bolt caused due to bent axle bending to loosen or the problem of signal panel cracking.There is the problem of accessory system poor stability equally in the program.
Model utility content
The problem that the purpose of this utility model is that engine signal gear ring in prior art is arranged on flywheel in order to solve, signal emitter is arranged in difficulty in arrangement that clutch housing brings and damper pulley bolt mounting torque is large, and provide one can save arrangement space, reduce the mounting torque of damper pulley bolt, improve the damper pulley structure of the integrated tach signal gear ring of accessory system stability.
The utility model realizes the technological scheme that its technical purpose adopts: a kind of damper pulley structure of integrated tach signal gear ring, comprise bent axle, the timing belt pulley be connected with bent axle and damper pulley, integratedly on described damper pulley be provided with tach signal gear ring, between bent axle and damper pulley, be provided with speed probe corresponding to tach signal gear ring and install cover plate, described speed probe corresponds to tach signal gear ring and is plugged in speed probe installation cover plate.The damper pulley structure of this integrated tach signal gear ring, tach signal gear ring is integrated on damper pulley, dock for the ease of the signal of sensor with tach signal gear ring, be provided with speed probe and cover plate is installed, speed probe is plugged in speed probe and installs on cover plate, engine rotational speed signal can be made so just to be obtained by crankshaft front end, save arrangement space, solving traditional design medium speed signal gear ring is arranged on flywheel, signal emitter is arranged in the difficulty in arrangement problem that clutch housing brings, particularly in small-sized supercharged direct-injection engine.
As preferably, described damper pulley is provided with in the endoporus of tach signal gear ring side and is provided with spline teeth groove circle, described timing belt pulley is provided with the spline gear matched with spline teeth groove circle.Timing belt pulley and damper pulley are connected by spline gear and spline teeth groove circle, and spline fitted connects can transmitting torque, thus reduce the mounting torque of damper pulley bolt assembly, improve the stability of accessory system.
As preferably, described spline teeth groove circle is provided with and installs short slot structure, the initialize signal position that described installation short slot structure corresponds on tach signal gear ring is arranged, and described spline gear corresponding to installation short slot vibrational power flow has spline hypodontia.Spline teeth groove circle is provided with short slot structure is installed, spline gear is provided with spline hypodontia, such structure is convenient to install, install short slot structure to arrange corresponding to the initialize signal position on signal gear ring, the spline gear so when mounted on timing gear is just easy to match with spline teeth groove circle.
As preferably, described timing belt pulley is connected with bent axle in the endoporus of one end to be provided with installs flat square structure.Timing belt pulley is connected by the flat square structure of installation be arranged in timing belt pulley endoporus with bent axle, and the moment of torsion of bent axle can be passed to frontal attachments system by such linkage structure effectively.
Preferred as another kind, described damper pulley is provided with in the endoporus of tach signal gear ring side and is provided with internal spline, and described crankshaft front end external cylindrical surface is provided with external splines.Such structure makes, and the connection between damper pulley and bent axle realizes by the external splines on crankshaft front end external cylindrical surface and the internal spline on damper pulley, equally can transmitting torque, reduces the mounting torque of damper pulley bolt.
As preferably, described speed probe is installed cover plate and is arranged on motor head, described speed probe is installed side cover plate corresponding to tach signal gear ring and is provided with speed probe mounting receptacle, described speed probe mounting plate is also provided with timing belt pulley and dodges hole.Speed probe is installed on cover plate and is arranged speed probe mounting receptacle in the side corresponding to signal gear ring, and such structure facilitates the installation of speed probe and corresponding with tach signal gear ring.Facilitate the transmission of engine rotational speed signal.
As preferably, tach signal gear ring and damper pulley are wholely set or split is arranged.Tach signal gear ring and damper pulley can be wholely set shaping, also can be separate machined, then be connected as one by techniques such as welding.
As preferably, damper pulley is fixed by damper pulley bolt assembly.After being connected by spline fitted between damper pulley with timing belt pulley, the mounting torque for the damper pulley bolt assembly installing damper pulley just can reduce, and effectively can improve the stability of accessory system.
The beneficial effects of the utility model are: the damper pulley structure of this integrated tach signal gear ring, is integrated on damper pulley by tach signal gear ring, has saved arrangement space; Be connected by spline fitted between damper pulley with timing belt pulley, reduce the mounting torque of damper pulley bolt, improve the stability of accessory system.
Accompanying drawing explanation
Fig. 1 is a kind of decomposition texture schematic diagram of the damper pulley structure of the utility model integrated tach signal gear ring;
Fig. 2 is a kind of structural representation of damper pulley in the utility model;
Fig. 3 is a kind of structural representation of timing belt pulley in the utility model;
Fig. 4 is the rear view of timing belt pulley in the utility model;
In figure: 1, bent axle, 2, timing belt pulley, 3, damper pulley, 4, tach signal gear ring, 5, speed probe installs cover plate, 6, speed probe, 7, spline teeth groove circle, 8, spline gear, 9, short slot structure is installed, 10, spline hypodontia, 11, flat square structure is installed, 12, speed probe mounting receptacle, 13, damper pulley bolt assembly, 14, crank shaft oil seal.
Embodiment
Also by reference to the accompanying drawings the technical solution of the utility model is described in further detail below by specific embodiment.
Embodiment 1:
In the embodiment shown in fig. 1, a kind of damper pulley structure of integrated tach signal gear ring, comprise bent axle 1, the timing belt pulley 2 be connected with bent axle 1 and damper pulley 3, integratedly on damper pulley 3 be provided with tach signal gear ring 4, tach signal gear ring 4 and damper pulley 3 are wholely set or split is arranged.The present embodiment medium speed signal gear ring 4 and damper pulley 3 adopt and are wholely set structure.Between bent axle 1 and damper pulley 3, be provided with speed probe corresponding to tach signal gear ring 4 and install cover plate 5, speed probe 6 corresponds to tach signal gear ring 4 and is plugged in speed probe installation cover plate 5.
Damper pulley 3 is provided with in the endoporus of tach signal gear ring 4 side and is provided with spline teeth groove circle 7(and sees Fig. 2), timing belt pulley 2 is provided with the spline gear 8(matched with spline teeth groove circle 7 and sees Fig. 3).Damper pulley 3 is fixed by damper pulley bolt assembly 13.And spline teeth groove circle 7 on damper pulley 3 is provided with short slot structure 9 is installed, installing the initialize signal position that short slot structure 9 corresponds on tach signal gear ring 4 is arranged, and spline gear 8 corresponds to install short slot structure 9 and be provided with spline hypodontia 10.During installation, only need the spline hypodontia 10 on spline gear 8 to aim at and short slot structure 9 is installed, the spline joint between timing belt pulley 2 and damper pulley 3 can be realized, and this connection is just corresponding with the initialize signal position on tach signal gear ring 4, make speed probe 6 just to initial position.
Timing belt pulley 2 is connected in the endoporus of one end with bent axle 1 to be provided with to be installed flat square structure 11(and sees Fig. 4).Flat square structure 11 is installed and achieves timing belt pulley 2 and the connection of bent axle axle head, the moment of torsion of bent axle can be passed to frontal attachments system.
Speed probe is installed cover plate 5 and is arranged on motor head, speed probe is installed side cover plate 5 corresponding to tach signal gear ring 4 and is provided with speed probe mounting receptacle 12, it is inner that speed probe 6 is plugged in speed probe mounting receptacle 12, speed probe mounting plate 5 is also provided with timing belt pulley and dodges hole, during installation, speed probe mounting plate is set on bent axle and is connected with motor head, and timing belt pulley 2 is arranged on timing belt pulley dodges inside, hole, neither affect installation, the installation of speed probe can be realized again.
Embodiment 2:
Embodiment 2 is substantially identical with the technological scheme in embodiment 1, and difference is: damper pulley 3 is provided with in the endoporus of tach signal gear ring 4 side and is provided with internal spline, and bent axle 1 front end external cylindrical surface is provided with external splines.Connection 11 between damper pulley 3 and bent axle 1 is realized by the external splines on the external cylindrical surface of bent axle 1 front end and the internal spline on damper pulley 3.
The damper pulley structure of the integrated tach signal gear ring shown in above-described embodiment, timing belt pulley 2 is installed togather with bent axle 1 by installing flat square structure 11, be combined together by spline gear 8 and the spline teeth groove circle 7 on damper pulley 3 simultaneously, the moment of torsion of bent axle 1 is passed to frontal attachments system.Spline gear 8 coordinates one by one with spline teeth groove circle 7, and is designed with installation short slot structure 9 and spline hypodontia 10 respectively, such hypodontia structure, and be convenient to install, thus, the mounting torque for the damper pulley bolt assembly 13 installing damper pulley 3 just can reduce.Meanwhile, damper pulley 3 is designed with tach signal gear ring 4, speed probe 6 is installed on speed probe and installs on cover plate 5, and speed probe is installed cover plate 5 and be installed on motor head together with crank shaft oil seal 14.Thus, engine rotational speed signal is just obtained by crankshaft front end, has saved arrangement space.
Be integrated on damper pulley 3 by tach signal gear ring 4, solve traditional design medium speed signal gear ring 4 and be arranged on flywheel, signal emitter 6 is arranged in the difficulty in arrangement problem that clutch housing brings, particularly in small-sized supercharged direct-injection engine; In this programme, damper pulley is provided with special spline teeth groove coil structures, coordinates with the spline gear of timing belt pulley 2, can transmitting torque, reduce the mounting torque of damper pulley bolt assembly 13.
Claims (8)
1. the damper pulley structure of an integrated tach signal gear ring, comprise bent axle (1), the timing belt pulley (2) be connected with bent axle (1) and damper pulley (3), it is characterized in that: described damper pulley (3) is above integrated is provided with tach signal gear ring (4), between bent axle (1) and damper pulley (3), be provided with speed probe corresponding to tach signal gear ring (4) and install cover plate (5), speed probe (6) is plugged in speed probe corresponding to tach signal gear ring (4) and installs cover plate (5).
2. the damper pulley structure of a kind of integrated tach signal gear ring according to claim 1, it is characterized in that: described damper pulley (3) is provided with in the endoporus of tach signal gear ring (4) side and is provided with spline teeth groove circle (7), described timing belt pulley (2) is provided with the spline gear (8) matched with spline teeth groove circle (7).
3. the damper pulley structure of a kind of integrated tach signal gear ring according to claim 2, it is characterized in that: described spline teeth groove circle (7) is provided with short slot structure (9) is installed, described installation short slot structure (9) is arranged corresponding to the initialize signal position on tach signal gear ring (4), and described spline gear (8) is upper is provided with spline hypodontia (10) corresponding to installing short slot structure (9).
4. the damper pulley structure of a kind of integrated tach signal gear ring according to claim 1, is characterized in that: described timing belt pulley (2) and bent axle (1) are connected in the endoporus of one end to be provided with installs flat square structure (11).
5. the damper pulley structure of a kind of integrated tach signal gear ring according to claim 1, it is characterized in that: described damper pulley (3) is provided with in the endoporus of tach signal gear ring (4) side and is provided with internal spline, described bent axle (1) front end external cylindrical surface is provided with external splines.
6. the damper pulley structure of a kind of integrated tach signal gear ring according to claim 1, it is characterized in that: described speed probe is installed cover plate (5) and is arranged on motor head, described speed probe is installed the upper side corresponding to tach signal gear ring (4) of cover plate (5) and is provided with speed probe mounting receptacle (12), described speed probe mounting plate (5) is also provided with timing belt pulley and dodges hole.
7. the damper pulley structure of a kind of integrated tach signal gear ring according to claim 1 or 2 or 3 or 4 or 5 or 6, is characterized in that: tach signal gear ring (4) and damper pulley (3) are wholely set or split is arranged.
8. the damper pulley structure of a kind of integrated tach signal gear ring according to claim 1 or 2 or 3 or 4 or 5 or 6, is characterized in that: damper pulley (3) is fixed by damper pulley bolt assembly (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520848039.9U CN205118184U (en) | 2015-10-29 | 2015-10-29 | Damping pulley structure of integrated rotational speed signaling gear circle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520848039.9U CN205118184U (en) | 2015-10-29 | 2015-10-29 | Damping pulley structure of integrated rotational speed signaling gear circle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205118184U true CN205118184U (en) | 2016-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520848039.9U Active CN205118184U (en) | 2015-10-29 | 2015-10-29 | Damping pulley structure of integrated rotational speed signaling gear circle |
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| Country | Link |
|---|---|
| CN (1) | CN205118184U (en) |
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- 2015-10-29 CN CN201520848039.9U patent/CN205118184U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170512 Address after: 322003 Zhejiang City, Yiwu City, the town of auspicious red road, No. 1 Patentee after: Zhejiang Fengrui Engine Co. Ltd. Address before: 315336 Binhai New Area, Hangzhou Bay, Zhejiang, No. two, No. 818 Road, No. Co-patentee before: Zhejiang Geely Luoyou Engine Co., Ltd. Patentee before: Ningbo lucky Luo You engine component Co., Ltd Co-patentee before: Ji'nan Geely Auto Parts Co., Ltd. Co-patentee before: Hunan Luoyou Engine Parts Co., Ltd. Co-patentee before: Ningbo Shangzhongxia Automatic Transmission Co., Ltd. Co-patentee before: Zhejiang Geely Holding Group Co., Ltd. |