Low-noise industrial synchronous belt

By incorporating a polyurethane protective shell and sound-absorbing cotton inside the teeth of the industrial synchronous belt, the noise problem caused by friction between the belt teeth and the external structure is solved, achieving a low-noise and wear-resistant transmission effect.

CN223594860UActive Publication Date: 2025-11-25GUANGDONG GAICHI TRANSMISSION TECH CO LTD
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Patent Information

Application Number
CN202520183268.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-06
Publication Date
2025-11-25
Estimated Expiration
2035-02-06

AI Technical Summary

Technical Problem

Existing low-noise industrial synchronous belts generate significant noise during transmission due to wear caused by contact and friction between the belt teeth and external structures, thus affecting the working environment.

Method used

An installation groove is set inside the toothed band to install a support frame and a protective shell. The protective shell is made of polyurethane material, which has shock absorption and wear resistance. Sound-absorbing cotton is installed on the outside of the toothed band to absorb noise. The protective shell reduces vibration and noise when it comes into contact with the external structure.

Benefits of technology

By combining a protective shell made of polyurethane material with sound-absorbing cotton, noise and wear during transmission are reduced, the gear belt is protected, friction noise is reduced, and the stability and safety of transmission are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of industrial synchronous belts, in particular to a low-noise industrial synchronous belt which comprises a belt back and belt teeth, the belt teeth are evenly fixed to the inner side of the belt back, a protection mechanism is installed on the outer sides of the belt teeth, a sound absorption mechanism is arranged in the belt teeth, a check block is installed on the outer side of the belt back, and the check block is connected with the belt back. Side edge mechanisms are installed on the two sides of the belt back and the two sides of the belt teeth in an adhesive mode. The utility model has the beneficial effects that the belt teeth are in contact with an external structure across the protective shell, vibration and noise generated by contact between the protective shell and the external structure can be reduced through friction and transmission between the protective shell and the external structure, the belt teeth are protected, frictional wear of the belt teeth is reduced, and the service life of the belt teeth is prolonged. Noise generated in the transmission process of the industrial synchronous belt is reduced; the supporting frame is stably and detachably installed in the belt teeth, the belt teeth can be supported and shaped, the safety of the belt teeth is protected, and the check blocks can be detachably installed conveniently.
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Description

TECHNICAL FIELD

[0001] The utility model relates to industrial synchronous belt technical field especially, relates to a low noise's industrial synchronous belt. BACKGROUND

[0002] Synchronous belt drive is by a closed ring shape rubber belt of the equal interval tooth of inside circumference surface arrangement and the corresponding pulley composition.

[0003] Synchronous belt drive has accurate transmission ratio, no slip, can obtain constant speed ratio, can precision transmission, transmission is stable, can absorb shock, noise is small, transmission speed ratio range is big, and the polyurethane PU synchronous belt is made of imported thermoplastic polyurethane material, has higher wear resistance, and various types steel wire core guarantees that it still maintains good movement ability in transmission, and production tolerance is small.

[0004] Therefore, a low noise's industrial synchronous belt is provided.

[0005] The prior art low noise's industrial synchronous belt, when using, the contact and transmission between the band tooth and external transmission structure, thus will be subjected to knock and friction wear, thereby can damage the surface of band tooth, further can appear big friction noise in the transmission process, influence the working environment around the industrial synchronous belt, unable to reduce the friction noise produced by the contact in the band tooth transmission process. UTILITY MODEL CONTENTS

[0006] The utility model discloses a low noise's industrial synchronous belt to solve the prior art in the band tooth and external transmission structure between contact and transmission, thus can be subjected to knock and friction wear, thereby can damage the surface of band tooth, further can appear big friction noise in the transmission process, influence the working environment around the industrial synchronous belt's shortcoming, and put forward.

[0007] To realize above-mentioned purpose, the utility model provides the following technical scheme:

[0008] The utility model designs a low noise industrial synchronous belt, which comprises a belt back and belt teeth, the belt teeth are uniformly fixed on the inner side of the belt back, a protection mechanism is installed on the outer side of the belt teeth, an acoustic absorption mechanism is arranged in the belt teeth, a stopper is installed on the outer side of the belt back, and a side edge mechanism is bonded and installed on both sides of the belt back and the belt teeth; the protection mechanism comprises a protection shell, a first connecting rod is fixed on the inner side of the protection shell, and a fastening sleeve is threadedly connected to the surface of the first connecting rod; the acoustic absorption mechanism comprises a supporting frame and acoustic absorption cotton, an installation groove is formed in the inner part of the belt teeth, the supporting frame is installed in the installation groove, sound absorption holes are formed in both sides of the installation groove, a first connecting hole is formed on the smallest surface of the inner surface of the installation groove, a second connecting hole is formed on the smallest surface of the inner surface of the supporting frame, the first connecting rod slides through the first connecting hole and the second connecting hole, the fastening sleeve is located in the inner part of the supporting frame, and the acoustic absorption cotton is installed at both ends of the installation groove; the side edge mechanism comprises a connecting ring and a connecting pad, the connecting ring is bonded to the side of the belt back, the connecting pad is uniformly connected to the inner side of the connecting ring, the acoustic absorption cotton is bonded to the inner side of the connecting pad, and the connecting pad is bonded to both ends of the belt teeth.

[0009] Further, a third connecting hole is formed on the inner surface of the supporting frame and at the position opposite to the second connecting hole, a fourth connecting hole is formed on the inner side of the installation groove and at the position outside the third connecting hole, a fifth connecting hole is formed on the surface of the stopper, a second connecting rod slides through the inside of the fifth connecting hole, a limiting plate is fixed to the outer end of the second connecting rod, and a nut is threadedly connected to the inner end of the second connecting rod and at the position inside the supporting frame.

[0010] Further, the cross section of the protection shell is a trapezoidal structure and matches the shape of the belt teeth, the protection shell is made of polyurethane material, the first connecting rod is a threaded rod structure, the inner surface of the fastening sleeve is an internal thread surface structure and threadedly connected with the first connecting rod, and one end of the fastening sleeve abuts against the inner surface of the supporting frame.

[0011] Further, the cross section of the installation groove is a trapezoidal structure, the supporting frame is a hollow trapezoidal structure and recessed in the inner part of the installation groove at both ends.

[0012] Further, the protection shell covers the outer side of the sound absorption hole, and the second connecting hole and the first connecting hole are arranged in alignment.

[0013] Further, the connecting ring matches the shape of the side of the belt back, the connecting pad is a trapezoidal structure and matches the shape of the belt teeth, the connecting ring and the connecting pad are both made of polyurethane material, and the connecting pad is bonded to both ends of the belt teeth.

[0014] Further, the sound-absorbing cotton is in a trapezoidal structure, is inserted into both ends of the mounting groove, and is recessed at both ends of the support frame.

[0015] Further, the third connecting hole, the fourth connecting hole and the fifth connecting hole are aligned, the second connecting rod is in a threaded rod structure, and the limiting plate covers the outer end of the fifth connecting hole.

[0016] The low-noise industrial synchronous belt has the beneficial effects that:

[0017] 1. The mounting groove is arranged in the inside of the toothed belt, the support frame is detachably mounted in the inside of the mounting groove, the protective shell is detachably mounted on the outside of the toothed belt through the first connecting rod, the protective shell is detachably connected between the support frame and the fastening sleeve through the first connecting rod, the protective shell made of polyurethane material is connected to the outer surface of the toothed belt, the toothed belt contacts the external structure through the protective shell during the transmission of the industrial synchronous belt, the protective shell and the external structure are rubbed and transmitted, the protective shell made of polyurethane material has certain shock absorption and wear resistance, thereby, the vibration and noise generated by the contact between the protective shell and the external structure are reduced, the toothed belt is protected, the friction and wear of the toothed belt are reduced, the worn protective shell can be replaced, the wear protection of the toothed belt by the protective shell is facilitated, and the noise generated during the transmission of the industrial synchronous belt is reduced.

[0018] 2. The support frame is mounted in the mounting groove in the inside of the toothed belt, one end of the support frame is connected between the protective shell and the first connecting rod, the other end of the support frame is connected between the stop block and the second connecting rod, the support frame is stably and detachably mounted in the inside of the toothed belt, the toothed belt can be supported and shaped, the safety of the toothed belt is protected, and the stop block can be detachably mounted. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic view of the overall structure of the utility model;

[0020] Figure 2 It is a schematic view of the toothed belt and the toothed part of the utility model; Figure 1

[0021] Figure 3 It is a schematic view of the connecting ring and the connecting pad part of the utility model; Figure 1

[0022] Figure 4 It is a schematic view of the toothed belt and the support frame part of the utility model; Figure 1

[0023] Figure 5 It is a schematic view of the support frame, the protective shell and the stop block part connection structure of the utility model; Figure 1 ​​​​

[0024] Figure 6 The utility model discloses Figure 1 Support frame part schematic view

[0025] Figure 7 The utility model discloses Figure 1 Protective shell part schematic view

[0026] In the drawing: 1, with back; 2, fourth connecting hole; 3, limiting plate; 4, connecting ring; 5, connecting pad; 6, stop block; 7, protective shell; 8, support frame; 9, sound absorption cotton; 10, tooth; 11, installation groove; 12, sound absorption hole; 13, first connecting hole; 14, second connecting hole; 15, fifth connecting hole; 16, first connecting rod; 17, fastening sleeve; 18, nut; 19, second connecting rod; 20, third connecting hole. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0028] Embodiment 1, please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 And Figure 7 A low noise industrial synchronous belt shown in the drawing includes a belt back 1 and a belt tooth 10, the belt tooth 10 is uniformly fixed on the inner side of the belt back 1, a protection mechanism is installed on the outer side of the belt tooth 10, a sound absorption mechanism is arranged in the belt tooth 10, a stop block 6 is installed on the outer side of the belt back 1, and a side edge mechanism is bonded and installed on the two sides of the belt back 1 and the belt tooth 10.

[0029] In detail, the protection mechanism includes a protective shell 7, the inner side of the protective shell 7 is fixed with a first connecting rod 16, and the surface of the first connecting rod 16 is threadedly connected with a fastening sleeve 17.

[0030] The cross section of the protective shell 7 is trapezoidal structure and is matched with the shape of the belt tooth 10, the protective shell 7 is made of polyurethane material, the first connecting rod 16 is a threaded rod structure, the inner surface of the fastening sleeve 17 is an internal thread surface structure and is threadedly connected with the first connecting rod 16, and one end of the fastening sleeve 17 abuts against the inner surface of the support frame 8.

[0031] Further, the sound absorbing mechanism comprises a supporting frame 8 and sound absorbing cotton 9, the inside of the belt teeth 10 is provided with a mounting groove 11, the supporting frame 8 is mounted in the inside of the mounting groove 11, both sides of the mounting groove 11 are provided with sound absorbing holes 12, the minimum surface of the inner surface of the mounting groove 11 is provided with a first connecting hole 13, the minimum surface of the inner surface of the supporting frame 8 is provided with a second connecting hole 14, the first connecting rod 16 slides through the first connecting hole 13 and the second connecting hole 14, the fastening sleeve 17 is located in the inside of the supporting frame 8, and the sound absorbing cotton 9 is mounted at both ends of the mounting groove 11.

[0032] The cross section of the mounting groove 11 is a trapezoidal structure, the supporting frame 8 is a hollow trapezoidal structure, and both ends are recessed in the inside of the mounting groove 11.

[0033] The protective shell 7 covers the outside of the sound absorbing hole 12, and the second connecting hole 14 and the first connecting hole 13 are arranged in alignment.

[0034] The mounting groove 11 is arranged in the inside of the belt teeth 10, the supporting frame 8 is detachably mounted in the inside of the mounting groove 11, the protective shell 7 is detachably mounted on the outside of the belt teeth 10 through the first connecting rod 16, and the protective shell 7 is detachably mounted and connected between the supporting frame 8 through the first connecting rod 16 and the fastening sleeve 17.

[0035] Further, the side edge mechanism comprises a connecting ring 4 and a connecting pad 5, the connecting ring 4 is bonded to the side of the belt back 1, the connecting pad 5 is uniformly connected to the inside of the connecting ring 4, the sound absorbing cotton 9 is bonded to the inside of the connecting pad 5, and the connecting pad 5 is bonded to both ends of the belt teeth 10.

[0036] The connecting ring 4 is consistent with the shape of the side of the belt back 1, the connecting pad 5 is a trapezoidal structure and is consistent with the shape of the belt teeth 10, the connecting ring 4 and the connecting pad 5 are made of polyurethane material, and the connecting pad 5 is bonded to both ends of the belt teeth 10.

[0037] The sound absorbing cotton 9 is a trapezoidal structure, is inserted into both ends of the mounting groove 11, and is recessed in both ends of the supporting frame 8.

[0038] The protective shell 7 made of polyurethane material is connected to the outer surface of the toothed belt 10. During the industrial synchronous belt transmission, the toothed belt 10 contacts the external structure through the protective shell 7, and the friction and transmission are realized between the protective shell 7 and the external structure. The protective shell 7 made of polyurethane material has certain shock absorption and wear resistance, and the noise is absorbed through the sound-absorbing cotton 9, so as to reduce the vibration and noise generated by the contact between the protective shell 7 and the external structure, protect the toothed belt 10, reduce the friction and wear of the toothed belt 10, and the worn protective shell 7 can be replaced, which is beneficial to the wear protection of the toothed belt 10 by the protective shell 7 and reduces the noise generated during the industrial synchronous belt transmission.

[0039] Finally, the third connecting hole 20 is opened on the inner surface of the support frame 8 and opposite to the second connecting hole 14, the fourth connecting hole 2 is opened on the inner side of the mounting groove 11 and at the outer end of the third connecting hole 20, the fifth connecting hole 15 is opened on the surface of the stop block 6, the second connecting rod 19 is slidably arranged in the fifth connecting hole 15, the limiting plate 3 is fixed to the outer end of the second connecting rod 19, and the nut 18 is threadedly connected to the inner end of the second connecting rod 19 and located inside the support frame 8.

[0040] The support frame 8 is mounted in the mounting groove 11 inside the toothed belt 10, one end of the support frame 8 is connected between the protective shell 7 and the first connecting rod 16, and the other end of the support frame 8 is connected between the stop block 6 and the second connecting rod 19, so that the support frame 8 is stably and detachably mounted in the toothed belt 10, the toothed belt 10 is supported and shaped, the safety of the toothed belt 10 is protected, and the stop block 6 is conveniently and detachably mounted.

[0041] The third connecting hole 20, the fourth connecting hole 2 and the fifth connecting hole 15 are aligned, the second connecting rod 19 is a threaded rod structure, and the limiting plate 3 covers the outer end of the fifth connecting hole 15.

[0042] Working mode; the mounting groove 11 is arranged in the toothed belt 10, the support frame 8 is detachably mounted in the mounting groove 11, the protective shell 7 is detachably mounted on the outer side of the toothed belt 10 through the first connecting rod 16, and the protective shell 7 is detachably mounted and connected between the support frame 8 and the first connecting rod 16 through the fastening sleeve 17.

[0043] Therefore, the protective shell 7 made of polyurethane material is connected to the outer surface of the toothed belt 10. During the industrial synchronous belt transmission, the toothed belt 10 contacts the external structure through the protective shell 7, and the friction and transmission are realized between the protective shell 7 and the external structure. The protective shell 7 made of polyurethane material has certain shock absorption and wear resistance, and the noise is absorbed through the sound-absorbing cotton 9, so that the vibration and noise generated by the contact between the protective shell 7 and the external structure can be reduced, the toothed belt 10 can be protected, the friction and wear of the toothed belt 10 can be reduced, the worn protective shell 7 can be replaced, the wear protection of the toothed belt 10 by the protective shell 7 can be facilitated, and the noise generated during the industrial synchronous belt transmission can be reduced.

[0044] The support frame 8 is mounted in the mounting groove 11 inside the toothed belt 10, and is connected between the protective shell 7 and the first connecting rod 16 at one end, and is connected between the second connecting rod 19 and the stop block 6 at the other end. The support frame 8 is stably and detachably mounted inside the toothed belt 10, can support and shape the toothed belt 10, protect the safety of the toothed belt 10, and facilitate the detachable mounting of the stop block 6.

[0045] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A low noise industrial timing belt comprising a belt back (1) and belt teeth (10), characterized in that: The toothed belt (10) is uniformly fixed on the inner side of the belt back (1), the outer side of the toothed belt (10) is provided with a protection mechanism, the inner side of the toothed belt (10) is provided with a sound absorption mechanism, the outer side of the belt back (1) is provided with a stop block (6), and the two sides of the belt back (1) and the toothed belt (10) are bonded with a side edge mechanism. The protection mechanism comprises a protection shell (7), the inner side of the protection shell (7) is fixed with a first connecting rod (16), and the surface of the first connecting rod (16) is threadedly connected with a fastening sleeve (17). The sound absorption mechanism comprises a supporting frame (8) and sound absorption cotton (9), the inner side of the toothed belt (10) is provided with a mounting groove (11), the supporting frame (8) is mounted in the mounting groove (11), the two sides of the mounting groove (11) are provided with sound absorption holes (12), the smallest surface of the inner surface of the mounting groove (11) is provided with a first connecting hole (13), the smallest surface of the inner surface of the supporting frame (8) is provided with a second connecting hole (14), the first connecting rod (16) slides through the first connecting hole (13) and the second connecting hole (14), the fastening sleeve (17) is located in the supporting frame (8), and the sound absorption cotton (9) is mounted at both ends of the mounting groove (11). The side edge mechanism comprises a connecting ring (4) and a connecting pad (5), the connecting ring (4) is bonded on the side of the belt back (1), the connecting pad (5) is uniformly connected on the inner side of the connecting ring (4), the sound absorption cotton (9) is bonded on the inner side of the connecting pad (5), and the connecting pad (5) is bonded on both ends of the toothed belt (10).

2. A low noise industrial synchronous belt as in claim 1, wherein: The inner surface of the supporting frame (8) and the position opposite to the second connecting hole (14) are provided with a third connecting hole (20), the inner side of the mounting groove (11) and the position outside the third connecting hole (20) are provided with a fourth connecting hole (2), the surface of the stop block (6) is provided with a fifth connecting hole (15), the second connecting rod (19) slides through the inside of the fifth connecting hole (15), the outer end of the second connecting rod (19) is fixed with a limiting plate (3), and the inner end of the second connecting rod (19) and the position inside the supporting frame (8) are threadedly connected with a nut (18).

3. A low noise industrial synchronous belt as in claim 1, wherein: The cross section of the protection shell (7) is a trapezoidal structure, which matches the shape of the toothed belt (10), the protection shell (7) is made of polyurethane material, the first connecting rod (16) is a threaded rod structure, the inner surface of the fastening sleeve (17) is an internal thread surface structure, which is threadedly connected with the first connecting rod (16), and one end of the fastening sleeve (17) abuts against the inner surface of the supporting frame (8).

4. A low noise industrial synchronous belt as in claim 1, wherein: The cross section of the mounting groove (11) is a trapezoidal structure, the supporting frame (8) is a hollow trapezoidal structure, and both ends are recessed in the mounting groove (11).

5. A low noise industrial synchronous belt as in claim 1, wherein: The protection shell (7) covers the outer side of the sound absorption hole (12), and the second connecting hole (14) and the first connecting hole (13) are arranged in alignment.

6. A low noise industrial synchronous belt as in claim 1, wherein: The connecting ring (4) is consistent with the side shape of the belt back (1), the connecting pad (5) is a trapezoidal structure and is consistent with the shape of the belt teeth (10), the connecting ring (4) and the connecting pad (5) are made of polyurethane, and the connecting pad (5) is bonded at both ends of the belt teeth (10).

7. A low noise industrial synchronous belt as in claim 1, wherein: The sound-absorbing cotton (9) is a trapezoidal structure, is inserted into both ends of the mounting groove (11), and is recessed at both ends of the supporting frame (8).

8. A low noise industrial synchronous belt as in claim 2, wherein: The third connecting hole (20), the fourth connecting hole (2) and the fifth connecting hole (15) are aligned, the second connecting rod (19) is a threaded rod structure, and the limiting plate (3) covers the outer end of the fifth connecting hole (15).