V-ribbed belt tensioning mechanism and fitness equipment
By combining the pressure section and the tensioning section, the problems of large area occupation and motor loosening of multi-wedge belt tensioning mechanisms are solved, resulting in a larger running area and precise tension adjustment, and simplifying the maintenance process.
Patent Information
- Application Number
- CN202423250759.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2034-12-27
AI Technical Summary
The existing multi-wedge belt tensioning mechanism occupies a large area, resulting in a smaller running area, and there are also problems with the motor fine-tuning, such as the risk of loosening and the inability to identify the tension force.
The multi-ribbed belt is tensioned by pressing the first end of the pressing part and driving the second end of the pressing part to rotate around the support part. This replaces the motor fine-tuning method, avoids loosening caused by motor vibration, and adjusts the tension force through an elastic component.
It effectively avoids loosening problems caused by motor vibration, provides a larger running area, and allows for precise adjustment of the tension of the multi-ribbed belt, simplifying the maintenance process.
Smart Images

Figure CN223944858U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to body -building equipment technical field, specifically, it relates to a kind of multi-vee belt tensioning mechanism and body -building equipment. BACKGROUND
[0002] Treadmill is a kind of commonly used body-building equipment, which is widely used at present. Electric treadmill is generally used in gym or indoor. The motor compartment of the treadmill is usually provided with a motor and a belt roller, and the power is transmitted between the two through a multi-vee belt. At present, in order to realize the tensioning of the multi-vee belt, the position of the adjusting motor is usually fine-tuned to realize the tensioning of the multi-vee belt.
[0003] By fine-tuning the position of the motor, there is a risk of loosening due to resonance when the motor is running.
[0004] At the same time, by fine-tuning the position of the motor, the range of tensioning force cannot be identified during the tensioning of the multi-vee belt, and reference cannot be provided for the disassembly and maintenance of the multi-vee belt.
[0005] Therefore, a multi-vee belt tensioning mechanism and body-building equipment are developed, which has a smaller area and can provide more space for the running area, thus solving the technical problem. UTILITY MODEL CONTENTS
[0006] The utility model aims to provide a kind of multi-vee belt tensioning mechanism and body-building equipment, to solve the problem of large area occupied by the multi-vee belt tensioning mechanism in the prior art, which causes the reduction of the body-building area such as running.
[0007] To achieve the above utility model purposes, the utility model adopts the following technical solutions:
[0008] In one aspect, the utility model provides a kind of multi-vee belt tensioning mechanism, comprising:
[0009] The belt pressing part is formed with a support part and a belt pressing part first end and a belt pressing part second end formed on both sides of the support part, the belt pressing part first end is used to press on the multi-vee belt, and the belt pressing part first end is used to apply tensioning force to the multi-vee belt;
[0010] The tensioning part is used to drive the belt pressing part second end to rotate around the support part, so as to drive the belt pressing part first end to rotate reversely around the support part.
[0011] In some embodiments of the present application, the tensioning part comprises
[0012] The fixed assembly is fixedly arranged;
[0013] The elastic assembly;
[0014] A guide adjusting assembly, the elastic assembly is sleeved outside the guide adjusting assembly, one end of the guide adjusting assembly is connected with the fixed assembly; the other end of the guide adjusting assembly is formed with a pushing part;
[0015] When one end of the guide adjusting assembly moves towards the fixed assembly, the pushing part can compress the elastic assembly to drive the second end of the pressing belt part to rotate around the supporting part.
[0016] In some embodiments of the present application, the guide adjusting assembly comprises a guide column, an outer thread is formed at the upper end of the guide column, the outer thread is threadedly connected with the fixed assembly; a long hole is formed at the second end of the pressing belt part, the long hole is sleeved outside the guide column;
[0017] The elastic assembly comprises a spring, the spring is sleeved on the guide column; the upper end of the spring abuts against the second end of the pressing belt part;
[0018] When the outer thread of the guide column rotates relative to the fixed assembly, the pushing part pushes the elastic assembly to compress or the elastic assembly to elongate.
[0019] In some embodiments of the present application, the second end of the pressing belt part is rotatably connected with a bearing, the bearing is pressed on the V-ribbed belt.
[0020] In some embodiments of the present application, when the spring is at the initial length, the bearing contacts the V-ribbed belt without exerting force on the V-ribbed belt, which is defined as the initial state, during the process that the guide adjusting assembly moves the second end of the pressing belt part through the elastic assembly, the elastic assembly is compressed.
[0021] In some embodiments of the present application, the supporting part comprises a supporting seat and a rotating shaft, the two ends of the rotating shaft are connected on the supporting seat, the pressing belt part can rotate relative to the rotating shaft.
[0022] In some embodiments of the present application, the guide adjusting assembly further comprises a gasket, the gasket is sleeved outside the guide column, the pushing part pushes the elastic assembly through the gasket.
[0023] In some embodiments of the present application, the fixed assembly comprises a fixed body and a nut, a through hole is formed on the fixed body, the nut is connected at the through hole, the guide column is threadedly connected with the nut.
[0024] In another aspect, the utility model also proposes a kind of fitness equipment, including above-mentioned multiple v-belt tensioning mechanism, motor, belt roller and multiple v-belt, the multiple v-belt is used to transmit the power output by the motor to the belt roller, the multiple v-belt tensioning mechanism is used to the multiple v-belt tensioning.
[0025] In some embodiments of the application, the guide adjusting assembly of the multiple v-belt tensioning mechanism extends out of the fitness equipment.
[0026] Compared with the prior art, the utility model has the advantages and positive effects that:
[0027] By setting the belt pressing portion, the support portion is formed on the belt pressing portion, and the first end and the second end of the belt pressing portion can rotate reversely around the support portion, the first end of the belt pressing portion is used to press on the multiple v-belt, and the tensioning force is applied to the multiple v-belt; the tensioning portion is used to drive the second end of the belt pressing portion to rotate around the support portion, so as to drive the first end of the belt pressing portion to rotate reversely around the support portion, and realize the tensioning of the multiple v-belt. By using this method instead of the fine adjustment of the motor in the prior art, the problem of tensioning failure caused by loosening due to motor vibration can be avoided.
[0028] Other features and advantages of the utility model will become more apparent after reading the specific implementation manner of the utility model in combination with the drawings. DRAWINGS
[0029] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed in the embodiment will be briefly introduced below, and obviously, the drawings in the following description are some embodiments of the utility model, and other drawings can also be obtained according to these drawings without creative labor for those skilled in the art.
[0030] Figure 1 is an exploded view of one embodiment of the multiple v-belt tensioning mechanism proposed by the utility model;
[0031] Figure 2 is a use schematic view of one embodiment of the multiple v-belt tensioning mechanism proposed by the utility model;
[0032] Figure 3 is a front view of one embodiment of the multiple v-belt tensioning mechanism proposed by the utility model;
[0033] Figure 4 is a partial schematic view of the fitness equipment proposed by the utility model;
[0034] In the drawings,
[0035] 110, belt pressing portion;
[0036] 111, first end of pressing belt part;
[0037] 112, second end of pressing belt part;
[0038] 1121, long hole;
[0039] 113, supporting part;
[0040] 1131, supporting seat;
[0041] 1132, rotating shaft;
[0042] 114, bearing;
[0043] 1211, fixing body;
[0044] 1212, nut;
[0045] 122, elastic assembly;
[0046] 123, guiding adjusting assembly;
[0047] 1231, guiding column;
[0048] 1232, external thread;
[0049] 124, pushing part;
[0050] 1241, gasket;
[0051] 200, motor;
[0052] 300, belt roller;
[0053] 400, multi-wedge belt;
[0054] 500, running belt. DETAILED DESCRIPTION
[0055] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.
[0056] In the description of the application, it needs to be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the application.
[0057] The terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the application, unless otherwise specified, the meaning of "a plurality of" is two or more.
[0058] In the description of the application, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or direct connection, or indirect connection through intermediate medium. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.
[0059] In the present application, unless otherwise explicitly specified and limited, the first feature "above" or "below" the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "above", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0060] The following disclosure provides many different embodiments or examples for implementing different structures of the application. In order to simplify the disclosure of the application, the components and settings of specific examples are described in the following. Of course, they are only examples, and the purpose is not to limit the application. In addition, the application can refer to the same reference numerals and / or reference letters in different examples, and such repetition is for the purpose of simplification and clarity, and does not indicate the relationship between the various embodiments and / or settings discussed.
[0061] In some embodiments of the application, a fitness equipment is designed, especially a treadmill. As shown in Figure 1 ,Figure 2 、 Figure 3 、 Figure 4 As shown in FIG. 1, the fitness equipment includes a V-belt tensioning mechanism, a motor 200, a belt roller 300, and a V-belt 400.
[0062] The V-belt 400 is used to transmit the power output by the motor 200 to the belt roller 300. The V-belt tensioning mechanism is used to tension the V-belt 400.
[0063] The V-belt tensioning mechanism includes a belt pressing portion 110 and a tensioning portion. The belt pressing portion 110 is formed with a support portion 113, and a belt pressing portion first end 111 and a belt pressing portion second end 112 formed on both sides of the support portion 113.
[0064] The belt pressing portion first end 111 is used to press on the V-belt 400. The belt pressing portion first end 111 is used to apply a tensioning force to the V-belt 400.
[0065] The tensioning portion is used to drive the belt pressing portion second end 112 to rotate around the support portion 113, so as to drive the belt pressing portion first end 111 to rotate reversely around the support portion 113.
[0066] In some embodiments of the present application, the tensioning portion includes a fixing assembly, an elastic assembly 122, and a guide adjusting assembly 123.
[0067] The fixing assembly is fixedly arranged. Specifically, the fixing assembly is arranged on the fitness equipment.
[0068] One end of the guide adjusting assembly 123 is connected with the fixing assembly.
[0069] Specifically, one end of the guide adjusting assembly 123 is threadedly connected with the fixing assembly. The relative position between the two can be adjusted by rotating.
[0070] The elastic assembly 122 is sleeved outside the guide adjusting assembly 123. The elastic assembly 122 is movable relative to the guide adjusting assembly 123.
[0071] The elastic assembly 122 can push the belt pressing portion second end 112 to move along the guide adjusting assembly 123, so as to rotate around the support portion 113.
[0072] The guide adjusting assembly 123 can also be used to adjust the compression amount of the elastic assembly 122, so as to adjust the force applied by the elastic assembly 122 to the belt pressing portion second end 112.
[0073] In some embodiments of the present application, the guide adjusting assembly 123 includes a guide column 1231. An outer surface of the guide column 1231 is formed with an outer thread 1232.
[0074] The upper end of the guide column 1231 is connected with the fixing assembly.
[0075] The second end 112 of the pressing belt portion is provided with a long hole 1121. The long hole 1121 extends along the direction in which the second end 112 of the pressing belt portion extends to the first end 111 of the pressing belt portion.
[0076] The guide column 1231 penetrates into the long hole 1121.
[0077] The elastic assembly 122 can include a spring. The spring is sleeved outside the guide column 1231. The upper end of the spring abuts against the second end 112 of the pressing belt portion. The upper end of the spring can push the second end 112 of the pressing belt portion to move.
[0078] One end of the guide adjusting assembly 123 is threadedly connected with the fixing assembly.
[0079] The other end of the guide adjusting assembly 123 is formed with a pushing member 124. In the state in which the one end of the guide adjusting assembly 123 moves towards the fixing assembly, the pushing member 124 can compress the elastic assembly 122 to drive the second end 112 of the pressing belt portion to rotate around the support portion 113.
[0080] Specifically, the pushing member 124 is formed at the end of the guide column 1231.
[0081] The long hole 1121 and the spring are sleeved outside the guide column 1231 in sequence, the pushing member 124 is arranged adjacent to the spring, the guide column 1231 rotates and moves relative to the fixing assembly, so as to compress or reversely move the spring.
[0082] Therefore, the user rotates the guide column 1231, so that the pushing member 124 moves towards the fixing assembly to push the spring to move, thereby driving the second end 112 of the pressing belt portion to move through the spring, and further driving the second end 112 of the pressing belt portion to rotate relative to the support portion 113.
[0083] In some embodiments of the present application, the guide adjusting assembly 124 further includes a gasket 1241. The gasket 1241 is sleeved outside the guide column 1231, and the pushing member 124 pushes the elastic assembly 122 through the gasket 1241.
[0084] The support portion 113 includes a support seat 1131 and a rotating shaft 1132. The two ends of the rotating shaft 1132 are connected with the support seat 1131. The support seat 1131 is rotatably connected on the rotating shaft 1132.
[0085] In some embodiments of the present application, a bearing 114 is rotatably connected at the second end 112 of the pressing belt portion. The second end 112 of the pressing belt portion is pressed on the multi-wedge belt 400 through the bearing 114, so as to realize the tensioning of the multi-wedge belt 400.
[0086] In some embodiments of the present application, the fixing assembly includes a fixing body 1211 and a nut 1212.
[0087] The fixing body 1211 is provided with a through hole.
[0088] The nut 1212 is connected at the through hole.
[0089] Specifically, the nut 1212 is welded at the through hole of the fixing body 1211.
[0090] The guide column 1231 is threadedly connected with the nut 1212, so that the guide column 1231 is threadedly connected with the fixing assembly.
[0091] In some embodiments of the present application, the initial state is defined as follows: the spring is in the original length state, the bearing 114 is in contact with the multi-wedge belt 400, and the bearing 114 does not exert force on the multi-wedge belt 400.
[0092] When the adjusting assembly is rotated, the spring pushes the second end 112 of the pressing belt part to rotate relative to the support part 113, the spring is compressed, and the pre-tightening force of the bearing 114 on the multi-wedge belt 400 is adjusted.
[0093] Since the tension belongs to the professional maintenance range, it needs to be adjusted by the manufacturer, and a tape measure or a caliper is a necessary tool during installation.
[0094] In some embodiments of the present application, the fitness equipment further comprises a running belt, and the adjusting assembly of the multi-wedge belt tensioning mechanism extends from below to below the running belt, thereby facilitating the adjustment operation of the operator.
[0095] In the description of the above embodiments, specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.
[0096] As long as possible, the various aspects and features described and shown in the specification can be applied alone, and these individual aspects can be the subject of a divisional application.
[0097] The above is only a specific implementation manner of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the present application, which should be covered in the protection scope of the present application, therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A multi-vee belt tensioner characterized by, The application relates to a multiple-belt tensioning mechanism, which comprises a pressing belt part, a supporting part and a first end and a second end of the pressing belt part formed on both sides of the supporting part, wherein the first end is used for pressing on a multiple-belt; a tensioning part is used for driving the second end of the pressing belt part to rotate around the supporting part, driving the first end of the pressing belt part to reversely rotate around the supporting part, and applying a tensioning force to the multiple-belt. The tensioning part comprises a fixing component, an elastic component and a guide adjusting component, wherein the fixing component is fixedly arranged; the elastic component is sleeved on the guide adjusting component; one end of the guide adjusting component is connected with the fixing component; the other end of the guide adjusting component is provided with a pushing part; the pushing part can compress the elastic component to drive the second end of the pressing belt part to rotate around the supporting part when the one end of the guide adjusting component moves towards the fixing component. The guide adjusting component comprises a guide column, wherein the upper end of the guide column is provided with an external thread, the external thread is threadedly connected with the fixing component, and a long hole is arranged at the second end of the pressing belt part and sleeved on the guide column.
2. The multi-vee belt tensioner of claim 1 wherein, The elastic component comprises a spring, wherein the spring is sleeved on the guide column, and the upper end of the spring abuts against the second end of the pressing belt part. The pushing part pushes the elastic component to compress or the elastic component to elongate when the external thread of the guide column rotates relative to the fixing component. A bearing is rotatably connected at the second end of the pressing belt part and is pressed on the multiple-belt. The spring is compressed when the guide adjusting component pushes the second end of the pressing belt part to move. The supporting part comprises a supporting seat and a rotating shaft, wherein the two ends of the rotating shaft are connected with the supporting seat, and the pressing belt part can rotate relative to the rotating shaft.
3. The multi-vee belt tensioner of claim 2 wherein, The guide adjusting component further comprises a gasket, wherein the gasket is sleeved on the guide column, and the pushing part pushes the elastic component through the gasket. The fixing component comprises a fixing body and a nut, wherein a through hole is arranged on the fixing body, the nut is connected at the through hole, and the guide column is threadedly connected with the nut. The application further relates to a motor, a belt roller and a multiple-belt, wherein the multiple-belt is used for transmitting power output by the motor to the belt roller, and the multiple-belt tensioning mechanism is used for tensioning the multiple-belt.
4. The multi-vee belt tensioner of claim 3 wherein, The guide adjusting component of the multiple-belt tensioning mechanism extends out of the fitness equipment.
5. The multi-vee belt tensioner of claim 4 wherein, 6. The multi-vee belt tensioner of claim 1 wherein, 7. The multi-vee belt tensioner of claim 3 wherein, 8. The multi-vee belt tensioner of claim 3 wherein, 9. An exercise apparatus characterized by, 10. The exercise apparatus of claim 9, wherein,