CN217926996U - Manual belt tensioning structure - Google Patents
Manual belt tensioning structure Download PDFInfo
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- CN217926996U CN217926996U CN202221849922.6U CN202221849922U CN217926996U CN 217926996 U CN217926996 U CN 217926996U CN 202221849922 U CN202221849922 U CN 202221849922U CN 217926996 U CN217926996 U CN 217926996U
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- belt tensioning
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Abstract
The application discloses manual belt tensioning structure, including manual take-up pulley, support and adjusting bolt, manual take-up pulley has the central axis, manual take-up pulley is deviating the position of central axis is equipped with the through-hole, adjusting bolt wears to locate the through-hole and with leg joint is with manual take-up pulley detachably install in the support, manual take-up pulley can wind adjusting bolt rotates. Adjusting bolt among the disclosed manual belt tensioning structure of this application not only can be fixed in the support with manual take-up pulley, can also regard as the rotation center of adjustment manual take-up pulley tensioning degree, has realized that one is multi-purpose, helps reducing the quantity of part, simple structure, and the cost is lower, and is more convenient, swift to the tensioning operation of transmission belt.
Description
Technical Field
The application relates to the technical field of manual take-up pulleys, in particular to a manual belt tensioning structure.
Background
The belt transmission transfers motion and power by means of tension and friction, and has the advantages of simple structure, smooth transmission, convenient maintenance, low cost, overload protection, large transmission center distance and the like, so that the belt transmission is widely applied to machinery such as vehicle gear trains, engines and the like. In order to satisfy the requirement that the belt drive has a stable torque transmission function in a long working time, besides applying a certain initial pre-tightening force to the belt drive, a belt tensioning device is also required to be added. For example, the tensioning method commonly used in diesel engines is automatic tensioning, however, due to the limitation of installation space, the automatic tensioning wheel cannot be installed normally, and a manual tensioning wheel is required. Traditional manual take-up pulley needs to realize the change of take-up pulley position in order to realize the tensioning of belt through designing sliding construction, and part quantity is many, and the structure is complicated, and the assembly nature is poor.
SUMMERY OF THE UTILITY MODEL
The present application provides a manual belt tensioning arrangement to solve at least one of the technical problems set forth above.
The technical scheme adopted by the application is as follows:
the utility model provides a manual belt tensioning structure, includes manual take-up pulley, support and adjusting bolt, manual take-up pulley has the central axis, manual take-up pulley is being deviated the position of central axis is equipped with the through-hole, adjusting bolt wear to locate the through-hole and with leg joint is with manual take-up pulley detachably install in the support, manual take-up pulley can wind adjusting bolt rotates.
The manual belt tensioning arrangement in the present application also has the following additional technical features:
the bracket is provided with a plurality of threaded holes at intervals, and the adjusting bolt is matched with any one of the plurality of threaded holes so as to detachably mount the manual tensioning wheel on the bracket.
The support includes base, mounting panel and the base with the supporting part that extends between the mounting panel, the base is equipped with and is used for fixing the fixed knot of base constructs, the screw hole is located the mounting panel.
The threaded holes are arranged in a straight line shape on the mounting plate.
The mounting panel is discoid structure, and is a plurality of the screw hole centers on the center of mounting panel evenly arranges.
The mounting panel orientation the projection of base falls into the inboard of base, fixed knot constructs including following a plurality of reference columns of the periphery interval arrangement of base, the reference column is equipped with the locating hole.
The supporting part is a supporting rib with a cross structure.
The adjusting bolt is in clearance fit with the through hole.
The manual take-up pulley includes wheel hub and sets up in the wheel hub periphery just follows two lips that wheel hub's axial was arranged side by side, two form the mounting groove that is used for installing the belt between the lip, the through-hole is located wheel hub.
The side, facing the support, of the hub is provided with a convex portion, the through hole penetrates through the convex portion, and the manual tensioning wheel can abut against the support through the convex portion.
Due to the adoption of the technical scheme, the technical effects obtained by the application are as follows:
among the technical scheme that this application provided, manual take-up pulley is used for suit belt and realizes the tensioning of belt, the support is used for the fixed stay and the location of take-up pulley, adjusting bolt is used for being fixed in the support with manual take-up pulley detachably, wherein, in this application, wear to locate the through-hole that the skew the central axis of manual take-up pulley set up with adjusting bolt, manual take-up pulley can rotate around adjusting bolt, when manual take-up pulley rotates around adjusting bolt, the position of the central axis of manual take-up pulley constantly changes, therefore, only need to rotate the take-up pulley around adjusting bolt toward suitable direction, can be with the driving belt tensioning. Therefore, adjusting bolt in this application not only can be fixed in the support with manual take-up pulley, can also regard as the rotation center of adjustment manual take-up pulley tensioning degree, has realized a multi-purpose, helps reducing the quantity of part, simple structure, and the cost is lower, and is more convenient, swift to the tensioning operation of transmission belt.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic structural diagram of an assembly formed by a manual tensioning wheel and an adjusting bolt provided by an embodiment of the application;
fig. 2 is a schematic structural diagram of a stent provided in an embodiment of the present application.
Reference numerals are as follows:
1 manual tension wheel, 11 hub, 12 lip edges, 13 convex parts;
2, a bracket, 21 a threaded hole, 22 a base, 23 a mounting plate, 24 a supporting part and 25 a positioning column;
3 adjusting the bolt.
Detailed Description
In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.
In addition, in the description of the present application, it is to be understood that the terms "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like refer to orientations or positional relationships illustrated in the drawings, which are used for convenience in describing the present application and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered limiting of the present application.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.
In this application, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediary. In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In the embodiments of the present application, a manual belt tensioning arrangement is provided, and for ease of illustration and understanding, the following is provided on the basis of the illustrated product construction. Of course, it is understood by those skilled in the art that the above-described structure is only used as a specific example and illustrative illustration, and does not constitute a specific limitation to the technical solution provided by the present application.
As shown in fig. 1 and 2, a manual belt tensioning structure includes a manual tensioning wheel 1, a bracket 2, and an adjusting bolt 3, wherein the manual tensioning wheel 1 has a central axis, the manual tensioning wheel 1 is provided with a through hole at a position deviated from the central axis, the adjusting bolt 3 is inserted into the through hole and connected with the bracket 2 to detachably mount the manual tensioning wheel 1 on the bracket 2, and the manual tensioning wheel 1 can rotate around the adjusting bolt 3.
Among the technical scheme that this application provided, manual take-up pulley 1 is used for the suit belt and realizes the tensioning of belt, support 2 is used for the fixed stay and the location of take-up pulley, adjusting bolt 3 is used for being fixed in support 2 with 1 detachably of manual take-up pulley, wherein, in this application, wear to locate the through-hole that the skew the central axis that manual take-up pulley 1 set up with adjusting bolt 3, manual take-up pulley 1 can rotate around adjusting bolt 3, when manual take-up pulley 1 rotates around adjusting bolt 3, the position of the central axis of manual take-up pulley 1 constantly changes, therefore, only need to rotate around adjusting bolt 3 with manual take-up pulley 1 toward suitable direction, can be with the driving belt tensioning. Therefore, adjusting bolt 3 in this application not only can be fixed in support 2 with manual take-up pulley 1, can also regard as the center of rotation of the 1 tensioning degree of adjustment manual take-up pulley, has realized that one is multi-purpose, helps reducing the quantity of part, simple structure, and the cost is lower, and is more convenient, swift to the tensioning operation of transmission belt.
In specific implementation, for example, the adjusting bolt 3 is rotated to loosen the manual tensioning pulley 1, then the manual tensioning pulley 1 is rotated around the adjusting bolt 3 in a direction (a direction of increasing the center distance between the two tensioning pulleys) for tensioning the transmission belt, and after the transmission belt is tensioned, the manual tensioning pulley 1 is locked on the bracket 2 through the adjusting bolt 3.
As a preferred embodiment of the present application, as shown in fig. 2, a plurality of threaded holes 21 are provided at intervals in the bracket 2, and the adjusting bolt 3 is engaged with any one of the plurality of threaded holes 21 to detachably mount the manual tension pulley 1 to the bracket 2.
It can be understood by those skilled in the art that in the implementation of the structure that two manual tension pulleys are matched with the transmission belt, only a plurality of threaded holes on one manual tension pulley need to have different center distances with the other manual tension pulley respectively, and then the matching of the adjusting bolt with different threaded holes of the same manual tension pulley can enable the two manual tension pulleys to have different center distances, namely the matching of the adjusting bolt with different threaded holes of the same manual tension pulley can enable the transmission belt to have different tensioning degrees. Therefore, in this application, not only make manual take-up pulley 1 rotate around adjusting bolt 3 and can adjust driving belt's tensioning degree, make adjusting bolt 3 and different screw hole 21 cooperate with the mounted position that changes manual take-up pulley 1 on support 2 also can adjust driving belt's tensioning degree, this manual take-up pulley 1 and support 2 structure, the tensioning scope of increase belt that can to a great extent to realize the multiple different tensioning distance requirements of driving belt.
Further, as shown in fig. 2, the bracket 2 includes a base 22, a mounting plate 23, and a supporting portion 24 extending between the base 22 and the mounting plate 23, the base 22 is provided with a fixing structure for fixing the base 22, and the threaded hole 21 is provided in the mounting plate 23.
It can be understood by those skilled in the art that the threaded hole 21 is provided in the mounting plate 23, the manual tension pulley 1 can be mounted on the mounting plate 23 through the adjusting bolt 3, the base 22 is provided with a fixing structure for fixing the base 22, and by providing the supporting portion 24 between the base 22 and the mounting plate 23, on one hand, the base 22 is convenient to support the mounting plate 23, and on the other hand, the fixing structure and the manual tension pulley 1 mounted on the mounting plate 23 can be separated by the supporting portion 24, so as to avoid interference between the fixing of the base 22 and the fixing of the manual tension pulley 1.
It should be noted that the present application does not specifically limit the arrangement of the plurality of threaded holes 21 in the mounting plate 23, and any one of the following embodiments may be adopted:
example 1: the plurality of screw holes 21 are arranged in a line on the mounting plate 23.
Example 2: the mounting plate 23 is a disc-shaped structure, and the plurality of threaded holes 21 are uniformly arranged around the center of the mounting plate 23.
Further, the mounting plate 23 falls into the inner side of the base 22 towards the projection of the base 22, the fixing structure comprises a plurality of positioning columns 25 arranged at intervals along the periphery of the base 22, and the positioning columns 25 are provided with positioning holes.
It can be understood by those skilled in the art that the projection of the mounting plate 23 toward the base 22 falls inside the base 22, in other words, the size of the mounting plate 23 is smaller than that of the base 22, so as to avoid the heavy structure as much as possible, so that the base 22 can give stable support to the mounting plate 23 and the manual tension pulley 1 mounted on the mounting plate 23, and improve the transmission reliability of the transmission belt. The positioning holes may be bolt holes to enable the bracket 2 to be fixed by bolts.
As a preferable example, as shown in fig. 2, the support portion 24 is provided as a support rib having a cross-shaped structure.
It will be understood by those skilled in the art that by configuring the supporting portions 24 as supporting ribs in a cross-shaped structure, the structural strength of the supporting ribs is improved, the deformation resistance is stronger, and the stable support of the bracket 2 on the manual tension pulley 1 is further improved.
As a preferred embodiment of the present application, the adjusting bolt 3 may be clearance-fitted to the through hole.
It can be understood by those skilled in the art that the adjusting bolt 3 is in clearance fit with the through hole, so that the manual tension pulley 1 can smoothly rotate around the adjusting bolt 3, and the phenomenon of locking is avoided.
As a preferred embodiment of the present application, as shown in fig. 1, the manual tension pulley 1 includes a hub 11 and two lips 12 disposed on an outer periphery of the hub 11 and arranged side by side in an axial direction of the hub 11, a mounting groove for mounting a belt is formed between the two lips 12, and the through hole is provided in the hub 11.
Further, as shown in fig. 1, a protrusion 13 is provided on a side of the hub 11 facing the bracket 2, the through hole penetrates through the protrusion 13, and the manual tension pulley 1 can abut against the bracket 2 through the protrusion 13.
As will be understood by those skilled in the art, the manual tension pulley 1 abuts against the bracket 2 through the convex portion 13, which is helpful to reduce friction between the manual tension pulley 1 and the bracket 2, and further improves smoothness of rotation of the manual tension pulley 1 around the adjusting bolt 3, compared to a manner of abutting the entire end surface of the manual tension pulley 1 against the bracket 2.
Where not mentioned in this application, can be accomplished using or referencing existing technology.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art to which the present application pertains. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. The utility model provides a manual belt tensioning structure, its characterized in that includes manual take-up pulley, support and adjusting bolt, manual take-up pulley has the central axis, manual take-up pulley is equipped with the through-hole in the position of skew the central axis, adjusting bolt wear to locate the through-hole and with the leg joint is in order to install manual take-up pulley detachably in the support, manual take-up pulley can wind adjusting bolt rotates.
2. A manual belt tensioning arrangement according to claim 1,
the bracket is provided with a plurality of threaded holes at intervals, and the adjusting bolt is matched with any one of the plurality of threaded holes so as to detachably mount the manual tensioning wheel on the bracket.
3. A manual belt tensioning arrangement according to claim 2,
the support includes base, mounting panel and the base with the supporting part that extends between the mounting panel, the base is equipped with and is used for fixing the fixed knot of base constructs, the screw hole is located the mounting panel.
4. A manual belt tensioning arrangement according to claim 3,
the threaded holes are arranged in a straight line shape on the mounting plate.
5. A manual belt tensioning arrangement according to claim 3,
the mounting panel is discoid structure, and is a plurality of the screw hole centers on the center of mounting panel evenly arranges.
6. A manual belt tensioning arrangement according to claim 5,
the mounting panel orientation the projection of base falls into the inboard of base, fixed knot constructs including following a plurality of reference columns of the periphery interval arrangement of base, the reference column is equipped with the locating hole.
7. A manual belt tensioning arrangement according to claim 5,
the supporting part is a supporting rib with a cross structure.
8. A manual belt tensioning arrangement according to claim 1,
the adjusting bolt is in clearance fit with the through hole.
9. A manual belt tensioning arrangement according to claim 1,
the manual take-up pulley includes wheel hub and sets up in the wheel hub periphery just follows two lips that wheel hub's axial was arranged side by side, two form the mounting groove that is used for installing the belt between the lip, the through-hole is located wheel hub.
10. A manual belt tensioning arrangement according to claim 9,
the side, facing the support, of the hub is provided with a convex portion, the through hole penetrates through the convex portion, and the manual tensioning wheel can abut against the support through the convex portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221849922.6U CN217926996U (en) | 2022-07-18 | 2022-07-18 | Manual belt tensioning structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221849922.6U CN217926996U (en) | 2022-07-18 | 2022-07-18 | Manual belt tensioning structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217926996U true CN217926996U (en) | 2022-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221849922.6U Active CN217926996U (en) | 2022-07-18 | 2022-07-18 | Manual belt tensioning structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217926996U (en) |
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2022
- 2022-07-18 CN CN202221849922.6U patent/CN217926996U/en active Active
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