CN206918193U - A kind of idler gear combining structure - Google Patents
A kind of idler gear combining structure Download PDFInfo
- Publication number
- CN206918193U CN206918193U CN201720710258.XU CN201720710258U CN206918193U CN 206918193 U CN206918193 U CN 206918193U CN 201720710258 U CN201720710258 U CN 201720710258U CN 206918193 U CN206918193 U CN 206918193U
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- China
- Prior art keywords
- gear
- nut
- combining structure
- stud
- utility
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- 230000007704 transition Effects 0.000 claims abstract description 16
- 230000013011 mating Effects 0.000 claims description 12
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 abstract description 3
- 230000009347 mechanical transmission Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010862 gear shaping Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Gears, Cams (AREA)
Abstract
The utility model discloses a kind of idler gear combining structure, for technical field of mechanical transmission, including first gear, second gear and stud, the middle inside of the first gear is provided with screw, the outer middle side part of first gear is provided with first bearing seat, the middle part of the second gear is provided with via, one end of the stud is fastenedly connected with screw, the other end connects the nut for locking first gear and second gear after passing through the via, and the transition block for forming second bearing seat is provided between the nut and second gear.The utility model abandons the structure design of integral type stepped gear in the prior art, it uses split modular structure form, first gear and second gear are processed respectively, then assembled by stud and nut as an entirety, and the first bearing seat and transition block for passing through first gear form the axis of rotation of total.The utility model Pass through above-mentioned technical proposal lowers molding difficulty, cost-effective.
Description
Technical field
The utility model is used for technical field of mechanical transmission, more particularly to a kind of idler gear combining structure.
Background technology
Diesel engine arts are particularly in the prior art, often use stepped gear, and described stepped gear, which has, coaxially to be set
The gear wheel and little gear put, in the case of elongated, gear wheel and little gear are using being integrally formed, i.e., stepped gear is using overall
Formula structure, difficulty is big, cost is high for the stepped gear shaping of this structure type.
Utility model content
To solve the above problems, the utility model provides a kind of idler gear combining structure, it uses separate assembling knot
Configuration formula, shaping difficulty is small, and cost is low.
Technical scheme is used by the utility model solves its technical problem：A kind of idler gear combining structure, including
First gear, second gear and stud, the middle inside of the first gear are provided with screw, and the outer middle side part of first gear is provided with
First bearing seat, the middle part of the second gear are provided with via, and one end and the screw of the stud are fastenedly connected, and the other end passes through
The nut that first gear and second gear are locked in connection after the via, it is provided between the nut and second gear and forms the
The transition block of two bearing bracket.
The improvement of technical solutions of the utility model is further used as, the diameter of the first gear is more than the second gear
Diameter.
The improvement of technical solutions of the utility model is further used as, is set in the mating surface of the first gear and second gear
There is the location structure that can avoid that relative motion occurs between first gear and second gear.
The improvement of technical solutions of the utility model is further used as, the location structure includes being located at first gear and second
Pin-and-hole and both ends in the mating surface of gear are respectively embedded in the alignment pin corresponded in the pin-and-hole.
The improvement of technical solutions of the utility model is further used as, the mating surface of the first gear is provided with radial positioning
Boss, the mating surface of the second gear are provided with the radial positioning groove that can coordinate with the radial positioning boss.
The improvement of technical solutions of the utility model is further used as, the transition block is sleeved on the stud, the mistake
Cross block and be provided with bulge loop in one end away from second gear.
The improvement of technical solutions of the utility model is further used as, the transition block is provided with the spiral shell for nut insertion
Female groove.
The improvement of technical solutions of the utility model is further used as, the nut is provided with some moments of torsion force hole.
The beneficial effects of the utility model：The structure that the utility model abandons integral type stepped gear in the prior art is set
Meter, it uses split modular structure form, and first gear and second gear are processed respectively, then will by stud and nut
It is assembled as an entirety, and the first bearing seat and transition block for passing through first gear form the axis of rotation of total.This
Utility model Pass through above-mentioned technical proposal lowers molding difficulty, cost-effective.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is the utility model structure diagram.
Embodiment
Reference picture 1, that show the concrete structure of the preferred embodiment of the utility model.It will be detailed below this reality
It is with shown in Fig. 1 with the design feature of new each part, and during if being described to direction (upper and lower, left and right, before and after)
Structure is that reference describes, but actual use direction of the present utility model is not limited thereto.
The utility model provides a kind of idler gear combining structure, including first gear 1, second gear 2 and stud 3,
The middle inside of the first gear 1 is provided with screw, and the outer middle side part of first gear 1 is provided with first bearing seat 11, and described second
The middle part of gear 2 is provided with via 21, and one end of the stud 3 is fastenedly connected with screw, and the other end connects after passing through the via
The nut 4 that first gear 1 and second gear 2 are locked, it is provided between the nut 4 and second gear 2 and forms second bearing seat
Transition block 5.The utility model abandons the structure design of integral type stepped gear in the prior art, and it uses separate assembling knot
Configuration formula, first gear 1 and second gear 2 are processed respectively, then assembled by stud 3 and nut 4 as an entirety,
And the axis of rotation for first bearing seat 11 and transition block 5 the formation total for passing through first gear 1.The utility model passes through upper
Technical scheme is stated to lower molding difficulty, it is cost-effective.
Wherein, the diameter of the first gear 1 is more than the diameter of the second gear 2, first gear 1 and second gear 2
Stepped gear structure is formed, realizes gear.
Moment of friction after the first gear 1 and second gear 2 can be locked by nut 4 joins little gear and gear wheel
Knot is together.Can also be provided with the mating surface of the first gear 1 and second gear 2 can avoid first gear 1 and second
The location structure of relative motion occurs between gear 2.Location structure can use the structure types such as tooth, mat surface, be used as this practicality
New preferred embodiment, the location structure include being located at pin-and-hole in the mating surface of first gear 1 and second gear 2 and
The alignment pin 6 in the corresponding pin-and-hole, alignment pin 6 use straight pin respectively at both ends, on the one hand straight pin ensures the first tooth
Torque transmission between wheel 1 and second gear 2, it is accurate right between first gear 1 and second gear 2 on the other hand also to ensure
Connect.
In order to improve the positioning precision of first gear 1 and the radial direction of second gear 2, set in the mating surface of the first gear 1
There is radial positioning boss 12, the mating surface of the second gear 2 is provided with the radial direction that can coordinate with the radial positioning boss 12
Detent 22.
Transition block 5 is designed using sleeve-shaped, and the transition block 5 is sleeved on the stud 3, and the transition block 5 is remote
One end from second gear 2 is provided with bulge loop 51, and stopper slot is formed between bulge loop 51 and second gear 2, and the stopper slot is used for spacing
The bearing installed thereon.
In order to make structure compacter, the transition block 5 is provided with the nut groove for the nut 4 insertion.Wherein, institute
It is round nut to state nut 4, dismantles the nut 4 for convenience, and nut 4 is provided with some moments of torsion force hole 41, can be during dismounting
Metal bar is wherein inserted, with rotating nut 4.
Certainly, the invention is not limited to above-mentioned embodiment, and those skilled in the art are without prejudice to originally
Equivalent variations or replacement can be also made on the premise of utility model spirit, these equivalent modifications or replacement are all contained in the application
In claim limited range.
Claims (8)
- A kind of 1. idler gear combining structure, it is characterised in that：Including first gear, second gear and stud, first tooth The middle inside of wheel is provided with screw, and the outer middle side part of first gear is provided with first bearing seat, and the middle part of the second gear is provided with Via, one end and the screw of the stud are fastenedly connected, and the other end is connected first gear and the second tooth after passing through the via The nut of locking is taken turns, the transition block for forming second bearing seat is provided between the nut and second gear.
- 2. idler gear combining structure according to claim 1, it is characterised in that：The diameter of the first gear is more than institute State the diameter of second gear.
- 3. idler gear combining structure according to claim 1, it is characterised in that：The first gear and second gear Mating surface is provided with the location structure that can avoid that relative motion occurs between first gear and second gear.
- 4. idler gear combining structure according to claim 3, it is characterised in that：The location structure includes being located at first Pin-and-hole and both ends in the mating surface of gear and second gear are respectively embedded in the alignment pin corresponded in the pin-and-hole.
- 5. idler gear combining structure according to claim 3, it is characterised in that：Set in the mating surface of the first gear There is radial positioning boss, the mating surface of the second gear is provided with can be recessed with the radial positioning of radial positioning boss cooperation Groove.
- 6. the idler gear combining structure according to any one of claim 1-5, it is characterised in that：The transition block suit On the stud, the transition block is provided with bulge loop in one end away from second gear.
- 7. the idler gear combining structure according to any one of claim 1-5, it is characterised in that：Set in the transition block There is the nut groove for nut insertion.
- 8. the idler gear combining structure according to any one of claim 1-5, it is characterised in that：The nut is provided with Some moments of torsion force holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720710258.XU CN206918193U (en) | 2017-06-16 | 2017-06-16 | A kind of idler gear combining structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720710258.XU CN206918193U (en) | 2017-06-16 | 2017-06-16 | A kind of idler gear combining structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206918193U true CN206918193U (en) | 2018-01-23 |
Family
ID=61321788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720710258.XU Active CN206918193U (en) | 2017-06-16 | 2017-06-16 | A kind of idler gear combining structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206918193U (en) |
-
2017
- 2017-06-16 CN CN201720710258.XU patent/CN206918193U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |