CN203936848U - A kind of lengthening transition mechanism of tightening - Google Patents
A kind of lengthening transition mechanism of tightening Download PDFInfo
- Publication number
- CN203936848U CN203936848U CN201420308669.2U CN201420308669U CN203936848U CN 203936848 U CN203936848 U CN 203936848U CN 201420308669 U CN201420308669 U CN 201420308669U CN 203936848 U CN203936848 U CN 203936848U
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- CN
- China
- Prior art keywords
- sleeve
- transition
- counter
- force
- lengthening
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to mounting technology field, particularly a kind of lengthening transition mechanism of tightening, described in tighten lengthen transition mechanism comprise device for screwing up and on tighten axle, also comprise: sleeve, is used for assembling securing member; One end and described sleeve fix, the other end and described in tighten the transition sleeve that axle fixes; Be arranged at the counter-force transition sleeve that described sleeve and transition sleeve outside and one end are connected with described device for screwing up, the top of the described counter-force transition sleeve other end is provided with counter-force piece.Of the present utility modelly tighten that to lengthen transition mechanism volume little, lightweight, simple in structure, easy to maintenance, safe and reliable, be convenient to the accurate assembly of securing member, can protect also convenient operation person use.
Description
Technical field
The utility model relates to mounting technology field.Particularly, the utility model relates to a kind of lengthening transition mechanism of tightening, particularly a kind of can the narrow and small mechanism that needs straight line to tighten control torque in implementation space.
Background technology
Propons is an important total member on automobile, mainly comprises the parts such as knuckle, pivot stud, front-axle beam.Propons is to be connected with vehicle frame by suspension, except in order to bear the vertical load between ground and vehicle frame, also bears the moment that brake force and side force and these power form, and guarantees to turn to the motion that crop rotation is correct.Vehicle bridge is connected with vehicle frame by suspension, is supporting most of weight of automobile, and by the tractive force of wheel or brake force, and side force is passed to vehicle frame through suspension.
In automobile uses, the force-bearing situation more complicated of propons, so the quality of its performance directly has influence on the security of automotive performance and Integral automobile.Bolt is mechanical attachment part important on propons, a large amount of bolt-connections on propons, have been adopted, and bolt installation accuracy is had relatively high expectations, can not make bolt occur afterwards loosening sign in installation, can not make again bolt in installation, occur afterwards the sign of surrender fracture, therefore, the key technology that fixedly becomes propons assembling of bolt.
At present, when propons assembles, generally adopt common pneumatic impact wrench, constant value type torque wrench or tighten electric rifle.But common pneumatic impact wrench is control moment accurately, although and constant value type torque wrench or tighten accurately control moment of electric rifle but occurs another problem, i.e. operator's processing safety and convenience.This be because, above latter two tightening tool all needs to offset the reaction force producing while tighting a bolt, to protect operator, and especially front axle steering knuckle arm bolt is tightened narrow space and is difficult to arrange traditional counter-force frock.
Summary of the invention
For the above-mentioned defect existing in prior art, the utility model provides a kind of lengthening transition mechanism of tightening, and this tightens lengthening transition mechanism can realize the moment of torsion control that in small space, straight line is tightened.
Above-mentioned purpose of the present utility model is achieved through the following technical solutions:
On the one hand, the utility model provides a kind of lengthening transition mechanism of tightening, described in tighten lengthen transition mechanism comprise device for screwing up (for example constant value type torque wrench or tighten electric rifle) and on tighten axle, described in tighten and lengthen transition mechanism and also comprise:
Sleeve, is used for assembling securing member, for example assembling bolt;
One end and described sleeve fix, the other end and described in tighten the transition sleeve that axle fixes;
Be arranged at the counter-force transition sleeve that described sleeve and transition sleeve outside and one end are connected with described device for screwing up, the top of the described counter-force transition sleeve other end is provided with counter-force piece.
According to the lengthening transition mechanism of tightening of the present utility model, described counter-force transition sleeve top is provided with the suspension ring bar parallel with its axis, on described suspension ring bar, cover has the center of gravity regulating block that can move on suspension ring bar, be used for regulating the center of gravity while tightening the suspension that lengthens transition mechanism, make to tighten lengthening transition mechanism and keep level.
According to the lengthening transition mechanism of tightening of the present utility model, described suspension ring bar fixes by suspension ring and described device for screwing up.
According to the lengthening transition mechanism of tightening of the present utility model, described counter-force transition sleeve is connected with device for screwing up with spline fitting by the spline cooperatively interacting.
According to the lengthening transition mechanism of tightening of the present utility model, in described suspension ring, be provided with bearing, can make 360 ° of rotations arbitrarily of device for screwing up.
Preferably, described spline fitting outer cover has the bearing being arranged in described suspension ring.
On the other hand, the utility model also provides a kind of above-mentioned arbitrary further improvement technical scheme that lengthens transition mechanism of tightening, and at sleeve described in this technical scheme and counter-force transition sleeve, coaxially arranges.
Counter-force piece is when providing counter-force moment of torsion, can form counter-force moment of flexure at the axis direction of tightening axle, the size of power is the strong point and the component of tightening the axis direction of axle, the arm of force is the strong point to the device for screwing up distance of constant value type torque wrench junction for example, counter-force moment of flexure be sleeve and securing member for example bolt tightening the strong point and tightening the component of axle axis direction and the formation of the distance of sleeve and device for screwing up junction.Because the arm of force is very long, therefore easily damage sleeve.
The inventor, by paying a large amount of work, transmits position by improving moment of flexure, is surprised to find that such technical scheme can solve the easy impaired problem of sleeve unexpectedly.On this basis, the inventor has obtained above-mentioned improvement technical scheme.Below this technical scheme is further described.
Sleeve and counter-force transition sleeve are set to coaxial configuration, the direction of power is constant, but distance becomes from the strong point to sleeve and counter-force transition sleeve coaxial cooperation point from the original strong point to device for screwing up, greatly shortened distance, according to curved moment, equaling power, to be multiplied by the formula of arm of force length known, in the situation that the size of power is constant, the arm of force is shorter, and curved moment is less.Therefore, this technical scheme can reduce the load of sleeve, has guaranteed structural rigidity, has extended mechanism service life.
Compared with prior art, the utility model at least has following beneficial effect:
1, volume is little, lightweight, and the reaction force producing can effectively offset tightening fastener parts time, to protect operator;
2, the suspension ring inside in the utility model is provided with bearing, can make 360 ° of rotations arbitrarily of device for screwing up, and convenient operation person uses;
3, the device for screwing up in the utility model can pass through center of gravity regulating block after suspension, adjusts center of gravity, makes it keep level, and handled easily person uses;
4, the utility model has reduced the load of sleeve, has guaranteed structural rigidity, has extended mechanism service life;
5, the utility model is simple in structure, easy to maintenance, safe and reliable.
Accompanying drawing explanation
Below, describe by reference to the accompanying drawings embodiment of the present utility model in detail, wherein:
Fig. 1 is that the utility model is tightened the structural representation that lengthens transition mechanism;
Fig. 2 is that the utility model is tightened the top view that lengthens transition mechanism.
description of reference numerals:
1 – constant value type torque wrench, 2 – bearings, 3 – suspension ring, 4 – spline fittings, 5 – counter-force transition sleeves, 6 – transition sleeves, 7 – sleeves, 8 – counter-force pieces, 9 – suspension ring bars, 10 – center of gravity regulating blocks.
The specific embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
In the present embodiment, what device for screwing up adopted is constant value type torque wrench, and what securing member adopted is bolt, should be understood that, constant value type torque wrench and bolt common in this area all can be used for the utility model.
As illustrated in fig. 1 and 2, of the present utility model a kind of tighten lengthen transition mechanism comprise constant value type torque wrench 1 and on tighten axle, also comprise the sleeve 7 for assembling bolt (not shown), one end of sleeve 7 and transition sleeve 6 fix, the other end of transition sleeve 6 with tighten axle and fix, sleeve 7 and transition sleeve 6 outer, coaxial are provided with the counter-force transition sleeve 5 that one end and constant value type torque wrench 1 are connected with spline fitting 4 in being arranged at bearing 2 by the spline (not shown) that cooperatively interacts, the top of the other end of counter-force transition sleeve 5 is provided with counter-force piece, top is provided with the suspension ring bar 9 that parallel with its axis suspension ring 3 that are provided with bearing 2 by inside and constant value type torque wrench 1 fix.On suspension ring bar 9, cover has center of gravity regulating block 10 that can be mobile thereon.
When constant value type torque wrench 1 is tightened, sleeve 7 turns clockwise and tightens, directions of torque transfer is clockwise, constant value type torque wrench 1 transfers torque to transition sleeve 6, transition sleeve 6 is delivered to sleeve 7, 8 of counter-force pieces have along tightening the trend that axis is rotated counterclockwise, counter-force moment of torsion is provided, counter-force moment of torsion is delivered to counter-force transitional cylinder 5 from counter-force piece 8, counter-force transition, 5 are delivered to spline fitting 4 by counter-force moment of torsion again, last spline fitting 4 passes to constant value type torque wrench 1 by spline by counter-force moment of torsion, formation moment of torsion is closed, well solved and in narrow space, offset the reaction force producing while tighting a bolt, being convenient to bolt accurately installs.
The above is the utility model embodiment, not with this, limits the utility model protection domain, all in the utility model spirit, principle, the improvement of doing, is equal to replacement etc., all should be included in the utility model protection domain.
Claims (10)
1. tighten a lengthening transition mechanism, described in tighten lengthen transition mechanism comprise device for screwing up and on tighten axle, it is characterized in that, described in tighten and lengthen transition mechanism and also comprise:
Sleeve, is used for assembling securing member;
One end and described sleeve fix, the other end and described in tighten the transition sleeve that axle fixes;
Be arranged at the counter-force transition sleeve that described sleeve and transition sleeve outside and one end are connected with described device for screwing up, the top of the described counter-force transition sleeve other end is provided with counter-force piece.
2. the lengthening transition mechanism of tightening according to claim 1, is characterized in that, described counter-force transition sleeve top is provided with the suspension ring bar parallel with its axis, and on described suspension ring bar, cover has the center of gravity regulating block that can move on suspension ring bar.
3. the lengthening transition mechanism of tightening according to claim 2, is characterized in that, described suspension ring bar fixes by suspension ring and described device for screwing up.
4. the lengthening transition mechanism of tightening according to claim 3, is characterized in that, described counter-force transition sleeve is connected with device for screwing up with spline fitting by the spline cooperatively interacting.
5. the lengthening transition mechanism of tightening according to claim 3, is characterized in that, in described suspension ring, is provided with bearing.
6. the lengthening transition mechanism of tightening according to claim 4, is characterized in that, described spline fitting outer cover has the bearing being arranged in described suspension ring.
7. according to tightening lengthening transition mechanism described in any one in claims 1 to 3, it is characterized in that, described sleeve and counter-force transition sleeve coaxially arrange.
8. the lengthening transition mechanism of tightening according to claim 4, is characterized in that, described sleeve and counter-force transition sleeve coaxially arrange.
9. the lengthening transition mechanism of tightening according to claim 5, is characterized in that, described sleeve and counter-force transition sleeve coaxially arrange.
10. the lengthening transition mechanism of tightening according to claim 6, is characterized in that, described sleeve and counter-force transition sleeve coaxially arrange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420308669.2U CN203936848U (en) | 2014-06-11 | 2014-06-11 | A kind of lengthening transition mechanism of tightening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420308669.2U CN203936848U (en) | 2014-06-11 | 2014-06-11 | A kind of lengthening transition mechanism of tightening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203936848U true CN203936848U (en) | 2014-11-12 |
Family
ID=51856195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420308669.2U Withdrawn - After Issue CN203936848U (en) | 2014-06-11 | 2014-06-11 | A kind of lengthening transition mechanism of tightening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203936848U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104015152A (en) * | 2014-06-11 | 2014-09-03 | 安徽吉斯通自动化装备有限公司 | Tightening and lengthening transition mechanism |
-
2014
- 2014-06-11 CN CN201420308669.2U patent/CN203936848U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104015152A (en) * | 2014-06-11 | 2014-09-03 | 安徽吉斯通自动化装备有限公司 | Tightening and lengthening transition mechanism |
| CN104015152B (en) * | 2014-06-11 | 2016-08-24 | 安徽吉斯通自动化装备有限公司 | One tightens lengthening transition mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141112 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |