CN207830482U - A kind of crankshaft front end gear connection structure - Google Patents
A kind of crankshaft front end gear connection structure Download PDFInfo
- Publication number
- CN207830482U CN207830482U CN201721599409.5U CN201721599409U CN207830482U CN 207830482 U CN207830482 U CN 207830482U CN 201721599409 U CN201721599409 U CN 201721599409U CN 207830482 U CN207830482 U CN 207830482U
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- China
- Prior art keywords
- belt
- cam shaft
- connection structure
- tensioning wheel
- gear
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Abstract
A kind of crankshaft front end gear connection structure, it includes timing gears, tensioning wheel, cam shaft gear, telescopic device and belt, timing gears and cam shaft gear are connected on the inside of belt, tensioning wheel is connected on the outside of belt, belt drives timing gears and cam shaft gear to rotate by being moved along itself direction, tensioning wheel is connected to telescopic device, telescopic device includes spring body, connecting rod and terminal pad, terminal pad is connected to the both sides of tensioning wheel, one end of connecting rod is connected to terminal pad, the other end of connecting rod is connected to spring body, tensioning wheel changes the rate of tension of belt by telescopic device；The structure is conveniently adjusted the elasticity of belt, strengthens the structural strength of tensioning wheel, and the connection structure between the gear of crankshaft front end is more secured, and operation is more smooth.
Description
Technical field
The utility model is related to mechanical manufacturing fields, in particular relate to a kind of crankshaft front end gear connection structure.
Background technology
Bent axle is most important component in engine.It bears the power that connecting rod transmits, and is transformed into torque and passes through song
Axis exports and other attachmentes on engine is driven to work.Bent axle is by the centrifugal force of gyrating mass, the gas inertia of mechanical periodicity
The collective effect of power and reciprocal inertia force makes bent axle bear the effect of flexion torsion load.Therefore it is required that bent axle have it is enough strong
Degree and rigidity, journal surface need are wear-resisting, work is uniform, balance is good.Bent axle is in working stroke, the thrust that first transmits connecting rod
The torque for becoming rotation, through automotive transmission driving vehicle traveling；The rotatory inertia of bent axle and flywheel, through connecting rod is recycled to drive
Piston up-down completes the auxiliary strokes such as exhaust, air inlet, compression, prepares for next working stroke.
Tensioning wheel is the belt stretcher for car transmissions.Tensioning wheel is mainly by fixed shell, tensioner arm, wheel
The compositions such as body, torsional spring, rolling bearing and spring axle sleeve can make biography according to the different tightness of belt, adjust automatically tensile force
Dynamic system is stablized safe and reliable.Tensioning wheel in order to keep belt tension appropriate, avoids belt from beating in actual use
Caused elongation after sliding, compensation belt abrasion and aging, needs certain torque.When tension pulley operates, movement
Belt may evoke vibration in tensioning wheel, can lead to belt and tensioning wheel premature abrasion.
The tensioning wheel of the prior art generally uses lever principle, and wheel drive, but the structure will be tensioned using fixed fulcrum
Intensity is insufficient, and stress is excessive to be likely to result in grueling wear, the connection meeting between the timing gears and cam shaft gear of bent axle
It is destroyed.
Utility model content
The purpose of this utility model is to provide a kind of crankshaft front end gear connection structures, can be conveniently adjusted belt
Elasticity, strengthen the structural strength of tensioning wheel, the connection structure between the gear of crankshaft front end is more secured, operation more
It is smooth.
What the embodiments of the present invention were realized in：
A kind of crankshaft front end gear connection structure comprising timing gears, tensioning wheel, cam shaft gear, telescopic device and
Belt, timing gears and cam shaft gear are connected on the inside of belt, and tensioning wheel is connected on the outside of belt, and belt passes through along itself side
Timing gears and cam shaft gear rotation, tensioning wheel are driven to be connected to telescopic device to mobile, telescopic device includes spring body, connects
Extension bar and terminal pad, terminal pad are connected to the both sides of tensioning wheel, and one end of connecting rod is connected to terminal pad, the other end of connecting rod
It is connected to spring body, tensioning wheel changes the rate of tension of belt by telescopic device.
In the utility model preferred embodiment, above-mentioned spring body includes extrusome and spring, and spring is set to flexible
The one end in internal space, spring is connected to inside extrusome, and the other end of spring is connected to connection structure.
In the utility model preferred embodiment, above-mentioned crankshaft front end gear connection structure further includes before being set to bent axle
The idle pulley of gear connection structure bottom, the face of gear of idle pulley is held to be connected to the inside of belt, idle pulley is located at by timing gears.
In the utility model preferred embodiment, above-mentioned cam shaft gear includes the first cam shaft gear and the second cam
Shaft gear, the first cam shaft gear and the second cam shaft gear are set to the top of crankshaft front end gear connection structure.
In the utility model preferred embodiment, above-mentioned belt includes sliding surface and occlusal surface, and sliding surface is the outside of belt
Face, occlusal surface are the medial surface of belt, and occlusal surface is provided with tooth engaged, interval having the same between tooth engaged.
In the utility model preferred embodiment, above-mentioned terminal pad and connecting rod are respectively arranged with 2, and tensioning wheel includes
First wheel disc and the second wheel disc, 2 terminal pads are respectively connected on the outside of the first wheel disc and on the outside of the second wheel disc.
The utility model has the beneficial effects that：
The utility model is connected tensioning wheel with spring body by connecting rod, and stress is transferred to tensioning wheel and drives company by belt
Extension bar compressed spring is conveniently adjusted the elasticity of belt, strengthens the structural strength of tensioning wheel, between the gear of crankshaft front end
Connection structure it is more secured, operation it is more smooth.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the schematic diagram of the utility model crankshaft front end gear connection structure；
Fig. 2 is the schematic diagram of the utility model belt；
Icon：100- crankshaft front end gear connection structures；111- tensioning wheels；112- terminal pads；113- connecting rods；114- stretches
Contracting body；115- springs；116- timing gears；117- idle pulleys；The first cam shaft gears of 118-；The second cam shaft gears of 119-；
120- belts；121- sliding surfaces；122- occlusal surfaces.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts, all
Belong to the range of the utility model protection.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it should be noted that the orientation of the instructions such as term "upper", "inner", "outside", "bottom"
Or position relationship be based on the orientation or positional relationship shown in the drawings or the utility model product using when usually put
Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated dress
It sets or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to the utility model
Limitation.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, it is not understood to indicate or imply phase
To importance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
First embodiment
Fig. 1 is please referred to, the present embodiment provides a kind of crankshaft front end gear connection structures 100 comprising tensioning wheel 111, bullet
115 body of spring, timing gears 116, idle pulley 117, the first cam shaft gear 118, the second cam shaft gear 119 and belt 120, belt
120 are connected as tensioning wheel 111, timing gears 116, idle pulley 117, the first cam shaft gear 118 and the second cam shaft gear 119
One is whole.
There is tensioning wheel 111 wheel face, the wheel face to be connect with belt 120, and the one side of belt 120 passes through the wheel face, tensioning wheel
111 both sides are connected to 115 body of spring, and 115 body of spring is the deformation that tensioning wheel 111 provides stretching, extension and compression；Timing gears
116, the wheel face of idle pulley 117, the first cam shaft gear 118 and the second cam shaft gear 119 is respectively arranged with the gear teeth, the gear teeth and
The occlusal surface 122 of belt 120 is mutually twisted, timing gears 116, idle pulley 117, the first cam shaft gear 118 and the second camshaft
Gear 119 is respectively connected to the inside of belt 120, and timing gears 116 are respectively arranged at crankshaft front end gear with idle pulley 117 and connect
The bottom of structure 100, tensioning wheel 111 are set to the middle part of crankshaft front end gear connection structure 100, and tensioning wheel 111 is located at belt
120 lateral surface, the first cam shaft gear 118 are respectively arranged at crankshaft front end gear with the second cam shaft gear 119 and connect knot
The top of structure 100, timing gears 116, idle pulley 117, the first cam shaft gear 118 and the second cam shaft gear 119 pass through belt
120 inside connection.
Tensioning wheel 111 shares 2 terminal pads 112, which is respectively connected to the both sides of tensioning wheel 111, even
One end of extension bar 113 is connect with terminal pad 112, and the other end of connecting rod 113 is connected to 115 body of spring, 113 one end of connecting rod
Section is more than the section of the other end, and 113 one end of connecting rod of small cross sections connects terminal pad 112, shares 2 connecting rods 113, should
2 connecting rods 113 are commonly connected to 115 body of spring；115 body of spring includes extrusome 114 and spring 115, inside extrusome 114
It is provided with the space stretched for connecting rod 113, spring 115 is set in the space, and the side of extrusome 114 is provided with opening,
One end of connecting rod 113 is connected to spring 115 by the opening, when 113 compressed spring 115 of connecting rod, one end of connecting rod 113
It is always positioned at the inside of extrusome 114.
Tensioning wheel 111 includes that the first wheel disc, the second wheel disc and wheel body, wheel body are set between wheel disc and the second wheel disc,
It is separately connected terminal pad 112 on the outside of first wheel disc and the second wheel disc, wheel body has a wheel face, and the both sides of wheel body are respectively connected to the
The inside of the inside of one wheel disc and the second wheel disc, wheel face are extended to the side of the second wheel disc by the side of the first wheel disc, wheel body
Both sides cross-sectional sizes are respectively smaller than the section of the first wheel disc and the second wheel disc, and sliding surface 121 and the wheel face of belt 120 mutually compress,
When 120 stress of belt, belt 120 drives tensioning wheel 111 to be compressed to 115 body of spring, 113 compressed spring 115 of connecting rod so that
Bearing up pulley 111 is moved along 113 direction of connecting rod.
Please refer to Fig. 2, belt 120 divides be inside and outside, the inside of belt 120 is occlusal surface 122, and 120 outside of belt is slides
Face 121, occlusal surface 122 are the face with gear grooved, and occlusal surface 122 is provided with tooth engaged, and occlusal surface 122 is provided with multiple occlusions altogether
Tooth has interval between tooth engaged, and the interval between adjacent tooth engaged is identical, tooth engaged be embedded in timing gears 116, idle pulley 117,
The gear grooved of first cam shaft gear 118 and the second cam shaft gear 119, the gear grooved of each gear insertion occlusal surface 122, sliding surface
121 be smooth face, and sliding surface 121 and the wheel face of tensioning wheel 111 mutually press.
The example of the utility model is connected tensioning wheel with spring body by connecting rod, and stress is transferred to tensioning wheel and driven by belt
Make connecting rod compressed spring, be conveniently adjusted the elasticity of belt, strengthens the structural strength of tensioning wheel, the gear of crankshaft front end
Between connection structure it is more secured, operation it is more smooth.
In conclusion the utility model can be conveniently adjusted the elasticity of belt, the structural strength of tensioning wheel is strengthened,
Connection structure between the gear of crankshaft front end is more secured, and operation is more smooth.
Present specification describes the example of the embodiments of the present invention, it is not meant to that these embodiments illustrate and describe
The be possible to form of the utility model.It should be understood that the embodiment in specification can be implemented with a variety of alternative forms.Attached drawing without
It needs drawn to scale；Some features can be zoomed in or out to show the details of particular elements.Disclosed concrete structure and function are thin
Section is not taken by way of limitation explanation, and those skilled in the art is only instructed to implement the representative base of the utility model in a variety of forms
Plinth.It will be understood to one skilled in the art that can be with one or more with reference to multiple features that either figure illustrates and describes
The feature illustrated in other attached drawings is combined to form the embodiment for not yet explicitly illustrating or describing.The assemblage characteristic offer of explanation is used for
The representative embodiment of typical case.However, the multiple combinations of the feature consistent with the introduction of the utility model and modification can roots
According to need be used for specific application or implementation.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of crankshaft front end gear connection structure, which is characterized in that it includes timing gears, tensioning wheel, cam shaft gear, stretches
Compression apparatus and belt, the timing gears and the cam shaft gear are connected on the inside of the belt, and the tensioning wheel is connected to
On the outside of the belt, the belt drives the timing gears and the cam shaft gear to rotate by being moved along itself direction,
The tensioning wheel is connected to the telescopic device, and the telescopic device includes spring body, connecting rod and terminal pad, the terminal pad
The both sides of the tensioning wheel are connected to, one end of the connecting rod is connected to terminal pad, and the other end of the connecting rod is connected to
Spring body, the tensioning wheel change the rate of tension of the belt by the telescopic device.
2. crankshaft front end gear connection structure according to claim 1, which is characterized in that the spring body include extrusome and
Spring, the spring are set to the space in the extrusome, and one end of the spring is connected to inside the extrusome, described
The other end of spring is connected to the connection structure.
3. crankshaft front end gear connection structure according to claim 1, which is characterized in that the crankshaft front end gear connection knot
Structure further includes the idle pulley for being set to crankshaft front end gear connection structure bottom, and the face of gear of the idle pulley is connected to the skin
The inside of band, the idle pulley are located at by the timing gears.
4. crankshaft front end gear connection structure according to claim 1, which is characterized in that the cam shaft gear includes first
Cam shaft gear and the second cam shaft gear, first cam shaft gear and second cam shaft gear are set to the song
The top of axis front end gear connection structure.
5. crankshaft front end gear connection structure according to claim 1, which is characterized in that the belt includes sliding surface and occlusion
Face, the sliding surface are the lateral surface of the belt, and the occlusal surface is the medial surface of the belt, and the occlusal surface, which is provided with, to be stung
Tooth is closed, interval having the same between the tooth engaged.
6. crankshaft front end gear connection structure according to claim 1, which is characterized in that the terminal pad and the connecting rod
It is respectively arranged with 2, the tensioning wheel includes the first wheel disc and the second wheel disc, and 2 terminal pads are respectively connected to described the
On the outside of one wheel disc and on the outside of second wheel disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721599409.5U CN207830482U (en) | 2017-11-26 | 2017-11-26 | A kind of crankshaft front end gear connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721599409.5U CN207830482U (en) | 2017-11-26 | 2017-11-26 | A kind of crankshaft front end gear connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207830482U true CN207830482U (en) | 2018-09-07 |
Family
ID=63386839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721599409.5U Expired - Fee Related CN207830482U (en) | 2017-11-26 | 2017-11-26 | A kind of crankshaft front end gear connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207830482U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595312A (en) * | 2019-01-15 | 2019-04-09 | 北京史河科技有限公司 | A kind of tensioning apparatus and the driving equipment with the tensioning apparatus |
| CN111501316A (en) * | 2020-04-23 | 2020-08-07 | 杭州乐发长科技有限公司 | Garment material tailoring distance adjustable device based on gear transmission |
| CN113778184A (en) * | 2021-07-20 | 2021-12-10 | 信通达智能科技有限公司 | Big data intelligent middle station service system |
-
2017
- 2017-11-26 CN CN201721599409.5U patent/CN207830482U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595312A (en) * | 2019-01-15 | 2019-04-09 | 北京史河科技有限公司 | A kind of tensioning apparatus and the driving equipment with the tensioning apparatus |
| CN111501316A (en) * | 2020-04-23 | 2020-08-07 | 杭州乐发长科技有限公司 | Garment material tailoring distance adjustable device based on gear transmission |
| CN113778184A (en) * | 2021-07-20 | 2021-12-10 | 信通达智能科技有限公司 | Big data intelligent middle station service system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 Termination date: 20211126 |