CN212455359U - High-strength silent side-bending roller chain - Google Patents

Abstract

The high-strength noiseless lateral bending roller chain comprises outer single sections and inner single sections, wherein adjacent outer single sections are connected through the inner single sections to form a chain structure, each outer single section comprises outer chain plates and pin shafts penetrating between the outer chain plates, each inner single section comprises inner chain plates, sleeves penetrating between the inner chain plates and rollers fixed outside the sleeves and located between the inner chain plates, the outer single sections and the inner single sections are fixedly connected in the sleeves in a penetrating mode through the pin shafts, the outer chain plates are located on the outer sides of the inner chain plates and provided with sealing elements between the inner chain plates, the sealing elements are wrapped on the outer sides of the sleeves and the pin shafts, wear-resistant rubber layers are arranged on the upper side and the lower side of the inner chain plates respectively, large rubber coating steps and small rubber coating steps are formed on the two sides of the inner chain plates respectively, the sealing elements are located in the large rubber coating steps, and the end portions of the rollers. The utility model discloses can not produce the noise.

Description

High-strength silent side-bending roller chain

Technical Field

The utility model belongs to the technical field of the chain, concretely relates to noiseless lateral bending roller chain of high strength.

Background

The electric commercial supermarket and the industrial automation use plastic guide rails and transmission chains to convey articles, so that the production and operation efficiency is obviously improved; as the conveying speed increases, the problem of noise becomes more pronounced, and the main sources of noise generation are 2: firstly, impact sound which is generated by chain transmission polygon effect and changes with speed; and the collision noise generated by the inherent clearance of the guide rail conveying system comprises the clearance between the guide rail and the chain, the clearance between the chain and the related connecting accessory and the clearance between the accessory and the guide rail, and the existence of the clearances can generate noise when the guide rail conveying system is slightly discontinuous in operation or is contacted with a bearing object.

Disclosure of Invention

In order to solve the problems existing in the prior art, the utility model provides an eliminate the transmission noise among the chain drive process, prolong the silent lateral bending roller chain of high strength of the life of chain.

The utility model adopts the technical proposal that:

high strength noiseless side bend roller chain, including outer single section and interior single section, connect through interior single section between the adjacent outer single section and form the chain structure, outer single section includes outer link joint and wears to locate the round pin axle between the outer link joint, interior single section includes the inner plate, wears to locate the sleeve between the inner plate and fixes outside the sleeve and be located the roller between the inner plate, outer single section and interior single section wear to locate sleeve internal fixation through the round pin axle and connect, the outer link joint be located the outer side of inner plate and with the inner plate between be equipped with the sealing member, the sealing member cladding is in the outside of sleeve and round pin axle, its characterized in that: the upper side and the lower side of the inner chain plate are respectively provided with a wear-resistant rubber layer, the two sides of the inner chain plate are respectively provided with a rubber coating large step and a rubber coating small step, the sealing element is positioned in the rubber coating large step, and the end part of the roller is positioned in the rubber coating small step. The utility model discloses a contact between outer link joint and the inner link joint is sleeve terminal surface and outer link joint contact metal line contact to and outer link joint and rubber contact, rubber friction can not produce the noise. Meanwhile, the rubber-coated small steps can pre-store two end faces of the roller, so that oil loss between the roller sleeves is reduced, and noise generated by roller movement in the pre-rotation process is reduced; the large steps of the rubber coating pre-hide the sealing element, seal the grease between the sleeve pins from flowing outwards.

Further, the sealing element covers the outer side of the end part of the sleeve.

Further, the pin is an olive pin.

Furthermore, the sleeve is an inner arc-shaped sleeve and is matched with the outer surface of the pin shaft.

Further, the thickness of the small encapsulated step is 0.5 mm.

Further, the thickness of the large encapsulation step is 1 mm.

The utility model has the advantages that: the contact between the outer chain plate and the inner chain plate is the contact between the end surface of the sleeve and the contact metal line of the outer chain plate, and the contact between the outer chain plate and the rubber, so that the rubber friction does not generate noise. Meanwhile, the rubber-coated small steps can pre-store two end faces of the roller, so that oil loss between the roller sleeves is reduced, and noise generated by roller movement in the pre-rotation process is reduced; the large steps of the rubber coating pre-hide the sealing element, seal the grease between the sleeve pins from flowing outwards.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of an outer single section of the present invention;

FIG. 3 is a schematic structural view of an inner single section of the present invention;

fig. 4 is a schematic sectional view of the inner link plate of the present invention.

In the figure, 1, a wear-resistant rubber layer, 2, a rubber coating large step, 3, a sealing element, 4, a rubber coating small step, 5, a sleeve, 6, a roller, 7, a pin shaft, 8, an outer chain plate, 9 and an inner chain plate.

Detailed Description

The present invention will be further described with reference to the following specific embodiments, but the present invention is not limited to these specific embodiments. It will be recognized by those skilled in the art that the present invention encompasses all alternatives, modifications, and equivalents as may be included within the scope of the claims.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1 to 4, the present embodiment provides a high-strength silent lateral bending roller chain, including outer single links and inner single links, where adjacent outer single links are connected into a chain structure through the inner single links, the outer single links include outer link plates 8 and pin shafts 7 penetrating between the outer link plates 8, the inner single links include inner link plates 9, sleeves 5 penetrating between the inner link plates 9, and rollers 6 fixed outside the sleeves 5 and between the inner link plates 9, the outer single links and the inner single links are fixedly connected through the pin shafts 7 penetrating inside the sleeves 5, the outer link plates 8 are located outside the inner link plates 9 and between the inner link plates 9, and sealing members 3 are disposed between the inner link plates 9 and the sleeves 5, the sealing members 3 are wrapped outside the sleeves 5 and the pin shafts 7, and the sealing members 3 are wrapped outside end portions of the sleeves 5.

In this embodiment, wear-resistant rubber layers 1 are respectively arranged on the upper side and the lower side of an inner chain plate 9, rubber-coated large steps 2 and rubber-coated small steps 4 are respectively formed on the two sides of the inner chain plate 9 on the wear-resistant rubber layers 1, the sealing element 3 is located in the rubber-coated large steps 2, and the end portion of the roller 6 is located in the rubber-coated small steps 4. The utility model discloses a contact between outer chain plate 8 and the inner chain plate 9 is sleeve 5 terminal surfaces and 8 contact metal line contacts of outer chain plate to and outer chain plate 8 and rubber contact, rubber friction can not produce the noise. Meanwhile, the rubber-coated small step 4 can pre-store two end faces of the roller 6 to reduce oil loss between the roller sleeves and reduce noise generated by movement of the roller 6 in the pre-rotation process; the large encapsulation step 2 is used for hiding the sealing element 3 in advance, and grease between the sealing sleeve pins is sealed and does not flow outwards.

The pin 7 in this embodiment is an olive pin. The sleeve 5 is an inner arc-shaped sleeve and is matched with the outer surface of the pin shaft 7.

The thickness of the encapsulated small step 4 in this example is 0.5 mm. The thickness of the rubber coating big step 2 is 1 mm.

In this embodiment, the sealing member 3 is a high wear-resistant sealing ring.

The utility model discloses eliminate the transmission noise among the chain drive process, prolong the life of chain, the side bend radius can reach R400mm the most, is suitable for the wharf of heavy grade, big turning angle, the automatic transmission system of commodity circulation.

It should be noted that the above embodiments can be freely combined as necessary. The foregoing has been a detailed description of the preferred embodiments and principles of the present invention, and it will be apparent to those skilled in the art that variations may be made in the specific embodiments based on the concepts of the present invention, and such variations are considered as within the scope of the present invention.

Claims (6)

1. High strength noiseless side bend roller chain, including outer single section and interior single section, connect through interior single section between the adjacent outer single section and form the chain structure, outer single section includes outer link joint and wears to locate the round pin axle between the outer link joint, interior single section includes the inner plate, wears to locate the sleeve between the inner plate and fixes outside the sleeve and be located the roller between the inner plate, outer single section and interior single section wear to locate sleeve internal fixation through the round pin axle and connect, the outer link joint be located the outer side of inner plate and with the inner plate between be equipped with the sealing member, the sealing member cladding is in the outside of sleeve and round pin axle, its characterized in that: the upper side and the lower side of the inner chain plate are respectively provided with a wear-resistant rubber layer, the two sides of the inner chain plate are respectively provided with a rubber coating large step and a rubber coating small step, the sealing element is positioned in the rubber coating large step, and the end part of the roller is positioned in the rubber coating small step.

2. The high strength silent side bend roller chain as claimed in claim 1, wherein: the sealing element is covered on the outer side of the end part of the sleeve.

3. The high strength silent side bend roller chain as claimed in claim 1, wherein: the pin shaft is an olive-shaped pin shaft.

4. The high strength silent side bend roller chain as claimed in claim 3, wherein: the sleeve is an inner arc-shaped sleeve and is matched with the outer surface of the pin shaft.

5. The high strength silent side bend roller chain as claimed in claim 1, wherein: the thickness of the small encapsulated step is 0.5 mm.

6. The high strength silent side bend roller chain as claimed in claim 1, wherein: the thickness of the large encapsulation step is 1 mm.

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