CN112128325B - Compact adjustable belt tensioning device - Google Patents
Compact adjustable belt tensioning device Download PDFInfo
- Publication number
- CN112128325B CN112128325B CN202010922894.5A CN202010922894A CN112128325B CN 112128325 B CN112128325 B CN 112128325B CN 202010922894 A CN202010922894 A CN 202010922894A CN 112128325 B CN112128325 B CN 112128325B
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- hole
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- mounting
- adjustment
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0863—Finally actuated members, e.g. constructional details thereof
- F16H2007/0865—Pulleys
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0876—Control or adjustment of actuators
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The utility model discloses a compact adjustable belt tensioning device which comprises a base, a support, a tensioning wheel and an adjusting mechanism. The base comprises a plurality of mounting parts, and connecting lines of the mounting parts are polygonal; the bracket is arranged on the mounting parts through mounting bolts and comprises a first pivot hole and a second pivot hole, and an accommodating space is formed among the bracket, the mounting parts and the base; the tensioning wheel is pivoted on the bracket and is positioned in the accommodating space; one part of the adjusting mechanism is arranged between the bracket and one of the mounting parts, and the other part of the adjusting mechanism is pivoted with the first pivoting hole of the bracket; the adjusting mechanism can enable the support to swing by taking one of the mounting bolts connected with the second pivot holes as a shaft, and meanwhile the support drives the tensioning wheel to swing in the accommodating space. The compact adjustable belt tensioner of the present invention can simultaneously achieve the compact and adjustable functions of a belt tensioner.
Description
Technical Field
The present invention relates to the field of engines, and more particularly to a compact adjustable belt tensioner for facilitating the front end train layout of an engine.
Background
In the existing automobile engine, the adjustable belt tensioning device is thicker because the tensioning wheel, the tensioning wheel bracket and the tensioning adjusting bolt are independent parts and are also arranged with a reserved gap or longitudinally overlapped, so that the total thickness of the whole belt tensioning device cannot be reduced.
In order to realize in the limited space between the front end of the engine and the fan and the water tank, a belt tensioning wheel device which is compact in structure and can be adjusted is designed, a water pump belt, a fan belt and the like are tensioned, the space is made for the fan at the front end, the fan can not interfere with the fan, the work of the fan is not influenced, and meanwhile, the total length of the engine is shortened. Therefore, a belt tensioning wheel device which is compact in structure and can be adjusted is required to be designed on the engine, so that the total length of the engine is shortened, the adaptability of the engine is improved, the compactness of the arrangement of the whole vehicle is improved, and the power system of the whole vehicle is convenient to optimize.
The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The object of the utility model is to provide a compact adjustable belt tensioner which is capable of simultaneously achieving the compact and adjustable function of the belt tensioner.
To achieve the above object, the present invention provides a compact adjustable belt tensioner, which comprises a base, a bracket, a tension pulley and an adjusting mechanism. The base comprises a plurality of mounting parts, and connecting lines of the mounting parts are polygonal; the bracket is arranged on the mounting parts through mounting bolts and comprises a first pivot hole and a second pivot hole, and an accommodating space is formed among the bracket, the mounting parts and the base; the tensioning wheel is pivoted on the bracket and is positioned in the accommodating space; one part of the adjusting mechanism is arranged between the bracket and one of the mounting parts, and the other part of the adjusting mechanism is pivoted with the first pivoting hole of the bracket; the adjusting mechanism can enable the support to swing by taking one of the mounting bolts connected with the second pivot holes as a shaft, and meanwhile the support drives the tensioning wheel to swing in the accommodating space.
In a preferred embodiment, the adjustment mechanism includes an adjustment block, an adjustment screw, and an adjustment nut set. The adjusting block comprises a first through hole and a second through hole, the first through hole and the second through hole are crossed and vertical, the adjusting block is arranged on one of the mounting parts through the first through hole by using a mounting bolt, and the adjusting block can swing by taking the mounting bolt penetrating through the first through hole as a shaft; one end of the adjusting screw rod is provided with a stud, the other end of the adjusting screw rod is provided with a bent part, the screw rod is arranged in the second through hole in a penetrating mode, and the bent part is pivoted with the first pivoting hole of the support; the adjusting nut group is arranged on the stud of the adjusting screw rod and positioned on two sides of the first through hole.
In a preferred embodiment, the bracket further comprises a first adjustment hole and a second adjustment hole; the adjusting screw rod penetrates through the first adjusting hole and the first through hole and then is connected with one of the mounting parts; the adjusting screw rod passes through the second adjusting hole and is connected with one of the mounting parts.
In a preferred embodiment, the number of the plurality of mounting portions is at least three.
In a preferred embodiment, the bracket further comprises a screw hole located at a center of the bracket, and the screw hole is threaded in a direction opposite to a rotation direction of the tension pulley.
In a preferred embodiment, the compact adjustable belt tensioner further comprises a wheel shaft having a thread at one end matching the threaded hole and a step at the other end, the wheel shaft being disposed in the threaded hole after passing through the central hole of the tensioner.
In a preferred embodiment, the first adjustment hole and the second adjustment hole are concentric circular arc-shaped long holes.
In a preferred embodiment, the centers of the arcs of the first and second adjusting holes are the centers of the second pivot holes.
Compared with the prior art, the compact adjustable belt tensioning device has the following beneficial effects: this scheme take-up pulley and take-up pulley support ingenious carry out the global design, I in you, you in my, extend the take-up pulley support to the function of the sub-part of take-up pulley, also can say so that the extension design of the sub-part of take-up pulley space ring, take-up pulley support has both realized the function of installation take-up pulley like this, also compact dress is in the same place and is born the function of general take-up pulley space ring, belt tensioning device's total back degree has been shortened greatly, adjusting bolt is ingenious in addition avoided the belt, avoid installing in the front of take-up pulley support, parallel placement is on the next door of take-up pulley, thereby the thinnest design of the gross thickness of whole belt support device has been realized, it is possible to make for the distance compacter of the reduction of realization engine total length and engine and water tank.
Drawings
FIG. 1 is a perspective view of a belt tensioner according to an embodiment of the present invention;
FIG. 2 is a perspective view of another perspective of a belt tensioner in accordance with an embodiment of the present invention;
FIG. 3 is a perspective view of yet another perspective of a belt tensioner in accordance with an embodiment of the present invention;
FIG. 4 is a perspective view of yet another perspective of a belt tensioner in accordance with an embodiment of the present invention;
fig. 5 is a perspective cross-sectional view of a perspective of a belt tensioner in accordance with an embodiment of the present invention.
Description of the main reference numerals:
1-a base, 11-a first mounting part, 12-a second mounting part, 13-a third mounting part, 14-a mounting hole, 2-a bracket, 21-a first adjusting hole, 22-a second adjusting hole, 23-a first pivot hole, 24-a second pivot hole, 25-a screw hole, 3-a tensioning wheel, 4-an adjusting mechanism, 41-an adjusting block, 42-an adjusting screw rod, 43-an adjusting nut group, 5-a wheel shaft, 6-a mounting bolt and 7-a bearing.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
As shown in fig. 1 to 4, a compact adjustable belt tensioner according to a preferred embodiment of the present invention mainly includes a base 1, a bracket 2, a tension pulley 3, an adjusting mechanism 4, a wheel shaft 5, and a plurality of mounting bolts 6.
In some embodiments, the base 1 includes a plurality of mounting portions, and a line connecting the plurality of mounting portions has a polygonal shape. The mounting portions of the present embodiment are illustrated as three (i.e. the first mounting portion 11, the second mounting portion 12 and the third mounting portion 13), but the present invention is not limited thereto, and may be at least two or four according to actual needs. The base 1 of the present embodiment is actually integrated with the injection pump gear cover of the engine. The installation portion is provided with a threaded hole, and the periphery of the base 1 is also provided with a plurality of installation holes for being fixedly connected with the fuel injection pump.
In some embodiments, the bracket 2 is disposed on the first mounting portion 11, the second mounting portion 12 and the third mounting portion 13 by the mounting bolts 6, and the bracket 2 includes a first adjusting hole 21, a second adjusting hole 22, a first pivot hole 23, a second pivot hole 24 and a screw hole 25. The screw hole 25 is located at the center of the bracket 2, and the screw direction of the screw hole 25 is opposite to the rotation direction of the tension pulley 3, so that the tension pulley 3 can be prevented from falling off when rotating.
In some embodiments, the adjustment mechanism 4 includes an adjustment block 41, an adjustment screw 42, and an adjustment nut set 43. The adjusting block 41 includes a first through hole and a second through hole, the first through hole and the second through hole are perpendicular to each other, the adjusting block 41 is disposed on the first mounting portion 11 by the mounting bolt 6 for the first through hole, and the adjusting block 41 can swing about the mounting bolt 6 inserted in the first through hole. One end of the adjusting screw 42 has a stud, and the other end has a bending portion, the screw is inserted into the second through hole, and the bending portion is pivotally connected to the first pivot hole 23 of the bracket 2. The adjusting nut set 43 is disposed on the stud of the adjusting screw 42 and located on two sides of the first through hole. The present embodiment only shows the adjusting nut set 43 at one end. The whole nut group comprises a nut and a washer.
In some embodiments, the second adjustment hole 22 is provided on the third mounting portion 13 by the mounting bolt 6. Wherein, an accommodating space is formed among the bracket 2, the plurality of mounting parts and the base 1.
As shown in fig. 5, in some embodiments, one end of the axle 5 has a thread matching with the screw hole 25, and the other end has a step, the axle 5 passes through the central hole of the tension wheel 3 and then is disposed on the screw hole 25, and the tension wheel 3 is just located in the accommodating space. The adjusting nut set 43 on the adjusting mechanism 4 can make the bracket 2 swing around the mounting bolt 6 disposed on the second mounting portion 12 and the second pivot hole 24, and the bracket 2 can drive the tension wheel 3 to swing in the accommodating space.
Referring to fig. 1 to 4 again, in some embodiments, the first adjustment hole 21 and the second adjustment hole 22 are concentric circular arc-shaped long holes. The arc centers of the first adjusting hole 21 and the second adjusting hole 22 are the centers of the second pivot holes 24. The arc radii of the first and second adjustment holes 21 and 22 may be the same or different.
In some embodiments, the method of adjusting the compact adjustable belt tensioner of the present invention is as follows: firstly, the wheel shaft 5 passes through a center hole of a bearing arranged at the center of the tensioning wheel 3, the tensioning wheel 3 is arranged on a screw hole 25 of the bracket 2, and whether the rotation of the tensioning wheel 3 meets the requirement is checked. Then, a mounting bolt 6 is arranged on the first mounting part 11 of the base 1 through the first through hole of the first adjusting hollow and adjusting block 41; another mounting bolt 6 is arranged on the second mounting part 12 of the base 1 through the second pivot hole 24 of the bracket 2; and a mounting bolt 6 is further provided on the third mounting portion 13 of the base 1 through the second adjustment hole 22. And screwing a group of adjusting nut groups 43 on the studs of the adjusting screw rods 42, penetrating the studs through the second through holes of the adjusting blocks 41, and screwing a group of adjusting nut groups 43 on the studs. The bent part at the other end of the adjusting screw rod 42 is pivoted with the first pivoting hole 23 of the bracket 2. At this time, the mounting bolts 6 on the first, second and third mounting portions 13 are not finally tightened. The adjusting nut group 43 on the adjusting stud enables the adjusting screw 42 to move along the axis of the second through hole, and simultaneously drives the support 2 and the tensioning wheel 3 to swing by taking the mounting bolt 6 on the second mounting part 12 as a shaft, and the adjusting nut group 43 and the mounting bolts 6 on the first, second and third mounting parts 13 are all locked until the tensioning force of the belt reaches the requirement, so that the tensioning adjustment of the belt is completed.
In summary, the compact adjustable belt tensioner of the present invention has the following advantages: this scheme take-up pulley and take-up pulley support ingenious carry out the global design, I in you, you in my, extend the take-up pulley support to the function of the sub-part of take-up pulley, also can say so that the extension design of the sub-part of take-up pulley space ring, take-up pulley support has both realized the function of installation take-up pulley like this, also compact dress is in the same place and is born the function of general take-up pulley space ring, belt tensioning device's total back degree has been shortened greatly, adjusting bolt is ingenious in addition avoided the belt, avoid installing in the front of take-up pulley support, parallel placement is on the next door of take-up pulley, thereby the thinnest design of the gross thickness of whole belt support device has been realized, it is possible to make for the distance compacter of the reduction of realization engine total length and engine and water tank.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the utility model and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the utility model and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.
Claims (6)
1. A compact adjustable belt tensioner, comprising:
the base comprises a plurality of mounting parts, and connecting lines of the mounting parts are polygonal;
the bracket is arranged on the installation parts through installation bolts and comprises a first pivot hole and a second pivot hole, and an accommodating space is formed among the bracket, the installation parts and the base;
the tensioning wheel is pivoted on the bracket and is positioned in the accommodating space;
the support also comprises a screw hole which is positioned at the central position of the support, and the thread direction of the screw hole is opposite to the rotating direction of the tension wheel
One part of the adjusting mechanism is arranged between the bracket and one of the mounting parts, and the other part of the adjusting mechanism is pivoted with the first pivoting hole of the bracket;
the adjusting mechanism can enable the support to swing by taking the mounting bolt connected with the other mounting part of the mounting parts and the second pivot hole as a shaft, and meanwhile, the support drives the tension wheel to swing in the accommodating space; and
and one end of the wheel shaft is provided with a thread matched with the screw hole, the other end of the wheel shaft is provided with a step, and the wheel shaft penetrates through the central hole of the tensioning wheel and then is arranged on the screw hole.
2. The compact adjustable belt tensioner of claim 1, wherein the adjustment mechanism comprises:
an adjusting block including a first through hole and a second through hole, the first through hole and the second through hole being perpendicular to each other, the adjusting block being disposed on the one of the plurality of mounting portions with the mounting bolt through the first through hole;
one end of the adjusting screw rod is provided with a stud, the other end of the adjusting screw rod is provided with a bent part, the screw rod is arranged in the second through hole in a penetrating mode, and the bent part is pivoted with the first pivoting hole of the support; and
and the adjusting nut group is arranged on the stud of the adjusting screw rod and positioned on two sides of the first through hole.
3. The compact adjustable belt tensioner of claim 2, wherein the bracket further comprises:
the adjusting screw penetrates through the first adjusting hole and the first through hole and then is connected with one of the mounting parts, and the adjusting block can swing by taking the mounting bolt penetrating through the first through hole as a shaft; and
a second adjustment hole through which the adjustment screw passes to be coupled with another one of the plurality of mounting portions.
4. The compact adjustable belt tensioner of claim 1, wherein the plurality of mounts is at least three in number.
5. The compact adjustable belt tensioner of claim 3, wherein the first adjustment hole and the second adjustment hole are concentric circular arc shaped elongated holes.
6. The compact adjustable belt tensioner of claim 5, wherein the arc center of the first adjustment hole and the second adjustment hole is the center of the second pivot hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010922894.5A CN112128325B (en) | 2020-09-04 | 2020-09-04 | Compact adjustable belt tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010922894.5A CN112128325B (en) | 2020-09-04 | 2020-09-04 | Compact adjustable belt tensioning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112128325A CN112128325A (en) | 2020-12-25 |
| CN112128325B true CN112128325B (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010922894.5A Active CN112128325B (en) | 2020-09-04 | 2020-09-04 | Compact adjustable belt tensioning device |
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| CN (1) | CN112128325B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007071066A (en) * | 2005-09-06 | 2007-03-22 | Suzuki Motor Corp | Belt tension adjusting device of internal combustion engine |
| CN102207177A (en) * | 2011-03-30 | 2011-10-05 | 重庆长安汽车股份有限公司 | Adjusting device for front end wheel train belt of automobile engine |
| CN102278434A (en) * | 2010-06-13 | 2011-12-14 | 北汽福田汽车股份有限公司 | Belt pulley mechanism and power-assisted steering pump assembly |
| CN202082365U (en) * | 2011-04-15 | 2011-12-21 | 宁波富莱茵汽车部件有限公司 | Belt tightening pulley device |
| CN102506132A (en) * | 2011-09-28 | 2012-06-20 | 重庆长安汽车股份有限公司 | Belt tightener of automobile engine timing wheel train |
| CN202431860U (en) * | 2011-12-28 | 2012-09-12 | 哈尔滨东安汽车动力股份有限公司 | Tension pulley bracket |
| CN209130131U (en) * | 2018-10-23 | 2019-07-19 | 福建龙马环卫装备股份有限公司 | A kind of adjustable tensioning device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005051652A1 (en) * | 2005-10-28 | 2007-05-03 | Schaeffler Kg | Tension pulley for a traction drive |
| CN205661287U (en) * | 2016-06-14 | 2016-10-26 | 广西玉柴机器股份有限公司 | From tensioning air conditioner support |
| US10746265B2 (en) * | 2016-09-12 | 2020-08-18 | Wagner Products Company | Adjustable bracket for alternator and related products |
| CN107276009B (en) * | 2017-06-28 | 2018-09-11 | 南京普爱医疗设备股份有限公司 | A kind of C arm machine slides scanning motion cable and shrinks transmission device automatically |
| CN109798337A (en) * | 2019-03-29 | 2019-05-24 | 广西玉柴机器股份有限公司 | A kind of tension pulley support |
| CN210597265U (en) * | 2019-09-25 | 2020-05-22 | 玛狮工程机械（合肥）有限公司 | Tensioning mechanism and plate compactor |
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2020
- 2020-09-04 CN CN202010922894.5A patent/CN112128325B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007071066A (en) * | 2005-09-06 | 2007-03-22 | Suzuki Motor Corp | Belt tension adjusting device of internal combustion engine |
| CN102278434A (en) * | 2010-06-13 | 2011-12-14 | 北汽福田汽车股份有限公司 | Belt pulley mechanism and power-assisted steering pump assembly |
| CN102207177A (en) * | 2011-03-30 | 2011-10-05 | 重庆长安汽车股份有限公司 | Adjusting device for front end wheel train belt of automobile engine |
| CN202082365U (en) * | 2011-04-15 | 2011-12-21 | 宁波富莱茵汽车部件有限公司 | Belt tightening pulley device |
| CN102506132A (en) * | 2011-09-28 | 2012-06-20 | 重庆长安汽车股份有限公司 | Belt tightener of automobile engine timing wheel train |
| CN202431860U (en) * | 2011-12-28 | 2012-09-12 | 哈尔滨东安汽车动力股份有限公司 | Tension pulley bracket |
| CN209130131U (en) * | 2018-10-23 | 2019-07-19 | 福建龙马环卫装备股份有限公司 | A kind of adjustable tensioning device |
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| CN112128325A (en) | 2020-12-25 |
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