CN218913618U - Belt tensioning device - Google Patents
Belt tensioning device Download PDFInfo
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- CN218913618U CN218913618U CN202223249284.7U CN202223249284U CN218913618U CN 218913618 U CN218913618 U CN 218913618U CN 202223249284 U CN202223249284 U CN 202223249284U CN 218913618 U CN218913618 U CN 218913618U
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- bracket
- movable frame
- bottom plate
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Abstract
The utility model discloses a belt tensioning device which comprises a bracket, a guide frame and supporting wheels, wherein the guide frame comprises a movable frame and an arc-shaped frame, the movable frame is slidably arranged in the middle of the bracket, the arc-shaped frame is symmetrically arranged at the head of the movable frame and fixedly connected with the movable frame, the supporting wheels are arranged at two ends of the arc-shaped frame, and the supporting wheels are rotatably connected with the arc-shaped frame.
Description
Technical Field
The utility model relates to the technical field of belt tensioning mechanisms, in particular to a belt tensioning device.
Background
The conventional common belt tensioning device is characterized in that the tensioning wheel is additionally arranged at the middle parts of two driving wheels, and is supported at the middle parts of the belts from the outside by one tensioning wheel, so that the tensioning force between the belts and the driving wheels is ensured.
However, current single round tensioning can only support the great belt of belt tension when supporting the belt, often can cause the belt to wrap up on the take-up pulley with the mode of acute angle when the belt is comparatively slack to use, and the belt is great with the position of take-up pulley contact like this, can increase the friction of belt at belt transmission's in-process like this, great reduction belt life.
Disclosure of Invention
The present application provides a belt tensioner for solving the problems set forth in the background.
The utility model is realized in the following way:
the utility model provides a belt tensioning device, includes bracket, leading truck and supporting wheel, the leading truck includes movable frame and arc frame, movable frame slidable mounting is at the middle part of bracket, arc frame symmetry sets up the head at movable frame, and arc frame and movable frame fixed connection, the supporting wheel is installed at the both ends of arc frame, and the supporting wheel rotates with the arc frame to be connected.
Further, the bracket comprises a bottom plate and a guide plate, the lower end of the bottom plate is provided with a bracket, the guide plate is fixedly arranged on the upper end face of the bottom plate, and the upper end face of the guide plate is provided with a strip-shaped groove for installing the movable frame.
Further, an extension spring is fixedly arranged on the inner side of the top of the guide plate, and the lower end of the extension spring is fixedly connected with the movable frame.
Further, the head of the arc-shaped frame is provided with a rotating rod for the supporting wheel to rotate and install, and the rotating rod is fixedly connected with the arc-shaped frame.
Further, the bracket comprises a seat plate and a threaded rod, wherein the threaded rod is symmetrically arranged on the upper end face of the seat plate, and the threaded rod is vertically and fixedly connected with the seat plate.
Further, the two sides of the bottom plate are provided with matching grooves matched with the threaded rods, and the threaded rods are provided with upper limit nuts and lower limit nuts for locking the bottom plate.
Compared with the prior art, the utility model has the beneficial effects that: the belt tensioning device has a large-size supporting effect, is convenient for tensioning a longer or looser belt, can avoid excessive contact between the belt and the supporting wheel in the use process, and reduces friction force in the use process of the belt.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the structure of the device of the present utility model in use;
FIG. 2 is a perspective view of the bracket shown in FIG. 1;
FIG. 3 is a front view of the device of FIG. 2;
FIG. 4 is a perspective view of the guide frame of FIG. 1;
fig. 5 is a front view of the device of fig. 4.
In the figure: 1. a bracket; 11. a bottom plate; 111. a mating groove; 12. a guide plate; 121. a bar-shaped groove; 122. a tension spring; 13. a bracket; 131. a seat plate; 132. a threaded rod; 133. an upper limit nut; 134. a lower limit nut; 2. a guide frame; 21. a movable frame; 22. an arc-shaped frame; 221. a rotating rod; 3. and a supporting wheel.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a belt tensioning device is shown, which comprises a bracket 1, leading truck 2 and supporting wheel 3, bracket 1 includes bottom plate 11 and deflector 12, bracket 13 is installed to the lower extreme of bottom plate 11, deflector 12 fixed mounting is at the up end of bottom plate 11, and the up end of deflector 12 has offered the bar groove 121 that supplies movable frame 21 to install, deflector 12 top inboard fixed mounting has extension spring 122, the lower extreme and the movable frame 21 fixed connection of extension spring 122, when needing to use, come fixed mounting deflector 12 through bottom plate 11, make things convenient for leading truck 2 to slide and install on deflector 12, then through installing extension spring 122 on deflector 12, conveniently can drive leading truck 2 under the effect of extension spring 122 possess good holding power, use makes things convenient for supporting wheel 3 cover to establish on bull stick 221 rotation use through installing on arc frame 22, and then drive supporting wheel 3 and can stably support and realize tensioning function on the belt, support wheel 3 through both sides supporting wheel 3 simultaneously support in the course of use, can not greatly increase the supporting effect with the excessive wear and tear down condition.
The leading truck 2 includes movable frame 21 and arc frame 22, movable frame 21 slidable mounting is at the middle part of bracket 1, arc frame 22 symmetry sets up the head at movable frame 21, and arc frame 22 and movable frame 21 fixed connection, the both ends at arc frame 22 are installed to supporting wheel 3, and supporting wheel 3 and arc frame 22 rotate to be connected, the head of arc frame 22 is provided with the bull stick 221 that supplies supporting wheel 3 to rotate the installation, bull stick 221 and arc frame 22 fixed connection, can slidable mounting at bar slot 121 middle part through setting up the structure to leading truck 2 to guarantee movable frame 21, simultaneously through setting up to arc frame 22 the convenience at both ends installation supporting wheel 3, guarantee to carry out the supporting belt through both sides supporting wheel 3 and use.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a belt overspeed device tensioner, includes bracket (1), leading truck (2) and supporting wheel (3), its characterized in that: the guide frame (2) comprises a movable frame (21) and an arc frame (22), the movable frame (21) is slidably mounted in the middle of the bracket (1), the arc frame (22) is symmetrically arranged at the head of the movable frame (21), the arc frame (22) is fixedly connected with the movable frame (21), the supporting wheels (3) are mounted at two ends of the arc frame (22), and the supporting wheels (3) are rotatably connected with the arc frame (22).
2. A belt tensioner according to claim 1, characterized in that the bracket (1) comprises a bottom plate (11) and a guide plate (12), the lower end of the bottom plate (11) is provided with a bracket (13), the guide plate (12) is fixedly arranged on the upper end surface of the bottom plate (11), and the upper end surface of the guide plate (12) is provided with a strip-shaped groove (121) for installing the movable frame (21).
3. A belt tensioner according to claim 2, characterized in that said guide plate (12) is fixedly provided with a tension spring (122) on the inside of the top, the lower end of said tension spring (122) being fixedly connected with the movable frame (21).
4. A belt tensioner according to claim 3, characterized in that the head of the arc-shaped frame (22) is provided with a rotating rod (221) for the rotatable mounting of the supporting wheel (3), said rotating rod (221) being fixedly connected to the arc-shaped frame (22).
5. The belt tensioner of claim 4, wherein the bracket (13) comprises a seat plate (131) and a threaded rod (132), the threaded rod (132) is symmetrically arranged on the upper end surface of the seat plate (131), and the threaded rod (132) is fixedly connected with the seat plate (131) vertically.
6. A belt tensioner according to claim 5, characterized in that the two sides of the bottom plate (11) are provided with matching grooves (111) matching with threaded rods (132), and the threaded rods (132) are provided with upper limit nuts (133) and lower limit nuts (134) for locking the bottom plate (11).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202223249284.7U CN218913618U (en) | 2022-12-05 | 2022-12-05 | Belt tensioning device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202223249284.7U CN218913618U (en) | 2022-12-05 | 2022-12-05 | Belt tensioning device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN218913618U true CN218913618U (en) | 2023-04-25 |
Family
ID=86045479
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202223249284.7U Active CN218913618U (en) | 2022-12-05 | 2022-12-05 | Belt tensioning device |
Country Status (1)
Country | Link |
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CN (1) | CN218913618U (en) |
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2022
- 2022-12-05 CN CN202223249284.7U patent/CN218913618U/en active Active
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