CN204004239U - Become tension type stretcher - Google Patents
Become tension type stretcher Download PDFInfo
- Publication number
- CN204004239U CN204004239U CN201420435172.7U CN201420435172U CN204004239U CN 204004239 U CN204004239 U CN 204004239U CN 201420435172 U CN201420435172 U CN 201420435172U CN 204004239 U CN204004239 U CN 204004239U
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- CN
- China
- Prior art keywords
- axle
- sheet spring
- sheet
- tension
- inwall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The utility model discloses a kind of change tension type stretcher, comprise: base, sheet spring, sheet spring axle, tension arms, axle sleeve, hinge, band wheel assembly and bolt, described base includes the housing of ring, on the inwall of described housing, be provided with four draw-in grooves, in four described draw-in grooves, be provided with two sheet springs, described spring axle is ellipse, between described two sheet springs, be provided with sheet spring axle, and sheet spring axial length axle direction is parallel with sheet spring, the left part of described tension arms is provided with circular hole, the upper end of described spring axle is nested in the circular hole on tension arms, the outer wall of described axle sleeve is connected with the inwall of sheet spring axle, the inwall of described axle sleeve is connected with the outer wall of hinge, and described hinge is connected with base through sheet spring axle.Simple in structure, can be according to the difference of windup-degree and sheet spring shape shaft, the tension force of output is different, applied widely, can effectively mate the required belt tension of different system, and effect is good, has improved the reliability of train.
Description
Technical field
The utility model relates to automobile engine front end accessory tension device field, particularly relates to a kind of change tension type stretcher.
Background technique
In automobile engine front end accessory gear conventionally by belt as driving component, belt in use, can be because engine torque, train acceleration and deceleration, the reasons such as belt lengthening deformation, the tension variation that causes belt, in order to allow belt keep suitable tension force, engine wheel system can be applied stretcher conventionally for tightening belt, stretcher directly contacts with belt, exert pressure on belt simultaneously, make belt keep suitable tensioning degree, existing tensioner apparatus is all to adopt mechanical tensioning and rely on the elastic elements such as Compress Spring and torsion spring to realize tensioning, structure is comparatively complicated, cost is compared with high and cannot realize stretcher and change the function change tension force and damping with angle.
Model utility content
The technical problem that the utility model mainly solves is to provide a kind of change tension type stretcher.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is: a kind of change tension type stretcher is provided, comprise: base, sheet spring, sheet spring axle, tension arms, axle sleeve, hinge, band wheel assembly and bolt, described base includes the housing of ring, described housing bottom is provided with through hole, on described through hole, be provided with the projection of ring, on the inwall of described housing, be provided with four draw-in grooves, in four described draw-in grooves, be provided with two sheet springs, described spring axle is ellipse, between described two sheet springs, be provided with sheet spring axle, and sheet spring axial length axle direction is parallel with sheet spring, the left part of described tension arms is provided with circular hole, the upper end of described spring axle is nested in the circular hole on tension arms, the outer wall of described axle sleeve is connected with the inwall of sheet spring axle, the inwall of described axle sleeve is connected with the outer wall of hinge, and described hinge is connected with base through sheet spring axle.
In preferred embodiment of the utility model, the top of the right part of described tension arms is provided with band wheel assembly.
In preferred embodiment of the utility model, described band wheel assembly top is provided with bolt.
In preferred embodiment of the utility model, between described band wheel assembly and bolt, be provided with dust cover.
The beneficial effects of the utility model are: the utility model is simple in structure, and according to the difference of windup-degree and sheet spring shape shaft, the tension force of output is different, applied widely, can effectively mate the required belt tension of different system, effect is good, has improved the reliability of train.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also according to these accompanying drawings, obtain other accompanying drawing, wherein:
Fig. 1 is the perspective view that the utility model becomes a preferred embodiment of tension type stretcher.
In accompanying drawing, the mark of each parts is as follows: 1, base, 2, sheet spring, 3, sheet spring axle, 4, tension arms, 5, axle sleeve, 6, pivot, 7, bolt, 8, dust cover, 9, band wheel assembly.
Embodiment
Below the technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiments.Embodiment based in the utility model, those of ordinary skills are not making all other embodiments that obtain under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, Fig. 1 is the perspective view that the utility model becomes a preferred embodiment of tension type stretcher.
The utility model becomes tension type stretcher, comprise: base 1, sheet spring 2, sheet spring axle 3, tension arms 4, axle sleeve 5, hinge 6, band wheel assembly 9 and bolt 7, described base 1 includes the housing of ring, described housing bottom is provided with through hole, on described through hole, be provided with the projection of ring, on the inwall of described housing, be provided with four draw-in grooves, in four described draw-in grooves, be provided with two sheet springs 2, described spring axle 3 is ellipse, between described two sheet springs 2, be provided with sheet spring axle 3, and sheet spring axle 3 long axis directions are parallel with sheet spring 2, the left part of described tension arms 4 is provided with circular hole, the upper end of described spring axle 3 is nested in the circular hole on tension arms 4, sheet spring axle 3 upper ends and tension arms 4 interference fit, along with tension arms 4 reverses, sheet spring axle 3 produces variable elastic force to reach the object of tightening belt with 2 extruding of both sides steel sheet spring, the outer wall of described axle sleeve 5 is connected with the inwall of sheet spring axle 3, the inwall of described axle sleeve 5 is connected with the outer wall of hinge 6, and described hinge 6 is connected with base 1 through sheet spring axle 3, pivot 6 through tension arms 4 and base 1 by parts base 1, sheet spring 2, sheet spring axle 3, tension arms 4, axle sleeve 5 and hinge 6 link together, when tension arms 4 swings, inner sheet spring axle 3 also twists thereupon, due to oval-shaped special construction, the sheet spring 2 that sheet spring axle 3 can constantly push both sides produces elastic force, to suppress the amplitude of belt, this structure is adjusting strip spring according to the actual requirements, 3 shape produces different ouput forces, applied widely.
Preferably, the top of the right part of described tension arms 4 is provided with band wheel assembly 9, is fixed on the right part of tension arms 4 with wheel assembly 9 by bolt 7.
Preferably, described band wheel assembly 9 tops are provided with bolt 7, between described band wheel assembly 9 and bolt 7, be provided with dust cover 8, bolt 7 is connected to dust plug 8 on band wheel assembly 9, and by with being fixed of wheel assembly 9 and tension arms 4, dust plug 8 prevents that dust and mud from entering into band wheel assembly 9.
The utility model becomes tension type stretcher, solved the defect in technological scheme, simple in structure, can be according to the difference of windup-degree and sheet spring shape shaft, the tension force of output is different, applied widely, can effectively mate the required belt tension of different system, effect is good, has improved the reliability of train.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. one kind becomes tension type stretcher, it is characterized in that, comprise: base, sheet spring, sheet spring axle, tension arms, axle sleeve, hinge, band wheel assembly and bolt, described base includes the housing of ring, described housing bottom is provided with through hole, on described through hole, be provided with the projection of ring, on the inwall of described housing, be provided with four draw-in grooves, in four described draw-in grooves, be provided with two sheet springs, described spring axle is ellipse, between described two sheet springs, be provided with sheet spring axle, and sheet spring axial length axle direction is parallel with sheet spring, the left part of described tension arms is provided with circular hole, the upper end of described spring axle is nested in the circular hole on tension arms, the outer wall of described axle sleeve is connected with the inwall of sheet spring axle, the inwall of described axle sleeve is connected with the outer wall of hinge, and described hinge is connected with base through sheet spring axle.
2. change tension type stretcher according to claim 1, is characterized in that, the top of the right part of described tension arms is provided with band wheel assembly.
3. change tension type stretcher according to claim 2, is characterized in that, described band wheel assembly top is provided with bolt.
4. change tension type stretcher according to claim 3, is characterized in that, between described band wheel assembly and bolt, is provided with dust cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420435172.7U CN204004239U (en) | 2014-08-04 | 2014-08-04 | Become tension type stretcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420435172.7U CN204004239U (en) | 2014-08-04 | 2014-08-04 | Become tension type stretcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204004239U true CN204004239U (en) | 2014-12-10 |
Family
ID=52044243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420435172.7U Expired - Fee Related CN204004239U (en) | 2014-08-04 | 2014-08-04 | Become tension type stretcher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204004239U (en) |
-
2014
- 2014-08-04 CN CN201420435172.7U patent/CN204004239U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20141210 Termination date: 20170804 |