CN213088696U - Composite buffering noise reduction chain wheel - Google Patents
Composite buffering noise reduction chain wheel Download PDFInfo
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- CN213088696U CN213088696U CN202020939225.4U CN202020939225U CN213088696U CN 213088696 U CN213088696 U CN 213088696U CN 202020939225 U CN202020939225 U CN 202020939225U CN 213088696 U CN213088696 U CN 213088696U
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- bolster
- bulge
- sprocket
- sprocket body
- falling
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Abstract
The utility model provides a sprocket of making an uproar falls in compound buffering, includes that sprocket body and equipartition locate the outer tooth on the sprocket body is global, the both sides face symmetry that the sprocket body is close to the outer tooth inlays the bolster that is equipped with annular structure, and the terminal surface links into an integrated structure through the penetrating part that the ring was located sprocket body in the bolster of both sides, the bolster includes the bulge that bulges sprocket body side set up, the bulge length of bulge is greater than the thickness of bulge. The utility model discloses connect the bolster of both sides and form a body structure, guaranteed the reliability that sets up between bolster and the sprocket body, the length of the bulge of bolster is greater than the thickness of bulge simultaneously, changes the pressurized deformation mode of bolster into the bending by the compression, and the pressure that the bolster received reduces, and longe-lived is difficult cracked.
Description
Technical Field
The utility model belongs to the technical field of the chain drive, concretely relates to sprocket of making an uproar falls in compound buffering.
Background
The chain transmission is invented for more than one hundred years from now, and the chain transmission is still the most widely used mode at present due to the advantages of reliable transmission, low cost and the like. The matched transmission chain wheel can generate a polygonal effect when being meshed with a chain in the transmission process, impact in different sizes and directions is generated due to different chain speeds and driving speed changes, various noises are generated, and the chain transmission can not meet the requirements on the use occasions requiring low noise. The side surfaces of the existing improved chain wheels are provided with buffer rubber rings, as shown in fig. 1 and fig. 2, when in meshing, the side surfaces of the inner chain plates are firstly contacted with the buffer rings, so that the impact in the meshing direction of the chain and the chain wheel is reduced to a certain extent, and the noise level is reduced; it also has significant drawbacks: 1. buffering is achieved through compression of the elastic body, the elastic body needs to have enough width in the compression direction to buffer working pressure, a buffering ring cannot be arranged on a small chain wheel with limited space, and the application range is limited; 2. the buffer body is compressed for a long time, so that the buffer body is easy to crack and lose efficacy; 3. the buffering only depends on the hardness material of the buffering material to adjust the buffering force; 4. the buffering is only present in the final stage of the contact between the chain and the chain wheel, the effect of reducing noise is limited, and the adjustability is poor.
Disclosure of Invention
For solving the above-mentioned problem that prior art exists, the utility model provides a long-lived difficult cracked sprocket of making an uproar falls in compound buffering that reduces chain drive impact force.
The utility model adopts the technical proposal that:
sprocket of making an uproar falls in compound buffering includes that sprocket body and equipartition locate the outer tooth on the sprocket body is global, its characterized in that: the chain wheel body is close to the both sides face symmetry of external tooth and inlays the bolster that is equipped with annular structure, and the bolster inner end face of both sides is located the internal portion that runs through of chain wheel through the ring and is linked into an organic whole structure, the bolster includes the bulge that the bulge set up of bulge chain wheel body side, the protrusion length of bulge is greater than the thickness of bulge. The utility model discloses connect the bolster of both sides and form a body structure, guaranteed the reliability that sets up between bolster and the sprocket body, the length of the bulge of bolster is greater than the thickness of bulge simultaneously, changes the pressurized deformation mode of bolster into the bending by the compression, and the pressure that the bolster received reduces, and longe-lived is difficult cracked.
Further, the cross-section of bolster is for falling L type structure or L type structure, it is internal that an end face of falling L type structure or L type structure inlays to locate the sprocket body, and an end face sets up as bulge protrusion sprocket body.
Or, the cross-section of bolster is the type of falling T structure, the longitudinal end face of the type of falling T structure inlays and locates in the sprocket body, and horizontal terminal surface sets up as bulge protrusion sprocket body.
Or, the cross-section of bolster is the type of falling U structure, the opening of the type of falling U structure sets up outwards, and its terminal surface inlays and locates in the sprocket body, and two horizontal limits set up as bulge protrusion sprocket body. The utility model discloses a bolster can realize twice or the buffering more than twice, advances the working phase of buffering.
Further, the thicknesses of the two transverse sides of the inverted U-shaped structure are equal. The utility model discloses a twice bending deformation buffering has been realized to the bolster.
Or the thickness of the transverse edge close to the outer tooth side in the two transverse edges of the inverted U-shaped structure is smaller than that of the other transverse edge, and the thickness of the other transverse edge is larger than the length of the transverse edge. The utility model discloses a bolster has realized the combination buffering of bending deformation and compressive deformation.
Further, the thickness of the transverse edge of the inverted U-shaped structure is larger than that of the opening.
Further, the buffer member is made of resin, rubber or composite elastic material. The utility model discloses a change the numerical value of the thickness of bulge and the material of material, hardness, lay the height position and can freely adjust buffer strength, can set up buffer strength according to transmission tension and the speed is more accurate.
The utility model has the advantages that: the main deformation mode of the buffer part is changed from compression to bending, the pressure borne by the buffer part is reduced, and the buffer part is long in service life and not easy to crack; the buffer strength can be accurately set according to the transmission tension and speed, and the application range of the buffer noise reduction chain wheel is greatly expanded; the buffer material can be arranged in a narrow space; the buffer can be realized for 2 times or more than 2 times according to the noise reduction requirement, and the working stage of the buffer is advanced; the buffer material can realize free combination of bending deformation and compression deformation of the buffer material, can reduce chain transmission impact force more widely, and can meet the higher requirements of increasing buffer, noise reduction and prolonging the service life of a transmission system in the future.
Drawings
FIG. 1 is a schematic structural view of a prior art cushioned sprocket;
FIG. 2 is a schematic view of a prior art cushioned sprocket shown in a stressed, compressed configuration;
fig. 3 is a schematic structural diagram of a first embodiment of the present invention;
fig. 4 is a schematic cross-sectional structural view of a first embodiment of the present invention;
fig. 5 is a schematic structural diagram of a second embodiment of the present invention;
fig. 6 is a schematic cross-sectional structure diagram of a second embodiment of the present invention;
fig. 7 is a schematic structural diagram of a third embodiment of the present invention;
fig. 8 is a schematic cross-sectional structure diagram of a third embodiment of the present invention;
fig. 9 is a schematic structural diagram of a fourth embodiment of the present invention;
fig. 10 is a schematic cross-sectional view of a fourth embodiment of the present invention;
fig. 11 is a schematic structural view of a force-receiving deformation according to a fourth embodiment of the present invention;
fig. 12 is a schematic structural diagram of a fifth embodiment of the present invention;
fig. 13 is a schematic sectional structure diagram of a fifth embodiment of the present invention.
In the figure, 1, a sprocket body, 2, external teeth, 3, a buffer piece, 4 and a penetrating part.
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.
Example one
Referring to fig. 3 and 4, this embodiment provides a composite buffering noise reduction sprocket, locate sprocket 1 global outer tooth 2 including sprocket body 1 and equipartition, sprocket body 1 is close to the both sides face symmetry that outer tooth 2 inlayed and is equipped with annular structure's bolster 3, and the terminal surface links into an integrated structure through the ring through the portion 4 of running through that locates sprocket body 1 in the bolster 3 of both sides, bolster 3 includes the bulge that bulges sprocket body 1 side set up, the bulge length B of bulge is greater than the thickness a of bulge. The utility model discloses connect the bolster 3 of both sides and form a body structure, guaranteed the reliability that sets up between bolster 3 and the sprocket body 1, the length B of the bulge of bolster 3 is greater than the thickness A of bulge simultaneously, changes the compression deformation mode of bolster 3 into the bending by the compression, and the pressure that the bolster received reduces, and longe-lived is difficult cracked.
This embodiment the cross-section of bolster 3 is the structure of type of falling L, in sprocket body 1 was inlayed and located to a terminal surface of the structure of type of falling L, a terminal surface set up as bulge salient sprocket body 1.
The thickness of the penetrating portion 4 of the present embodiment is smaller than the thickness of the inner end surface of the cushion member 3.
The buffer member 3 in this embodiment is made of resin, rubber or composite elastic material. The utility model discloses a change the thickness A's of bulge numerical value and the material of material, hardness, lay the height position and can freely adjust buffer strength, can set up buffer strength according to transmission tension and the speed is more accurate.
The utility model has the advantages that the buffer part 3 is contacted with the chain plate, and the buffer material is firstly bent and deformed; the utility model discloses bolster 3 can show the noise that reduces chain drive process and produce, and noise reduction effect is more outstanding, and the life-span is more permanent, also can set up buffer material to the sprocket that the space is narrow and small, has expanded the range of application of noise reduction sprocket in the chain drive; buffer material is changed into bending deformation by original compression deformation, has improved buffer material and has pressed the shortcoming of easily cracking for a long time, the utility model discloses buffering effect is better, strikes the wearing and tearing that cause and further reduces.
Example two
Referring to fig. 5 and 6, the present embodiment is different from the first embodiment in that: the cross-section of bolster 3 is L type structure, in sprocket body 1 was inlayed to an end face of L type structure, an end face set up as bulge protrusion sprocket body 1.
The rest of the structure and the function can be seen from the description of the first embodiment.
EXAMPLE III
Referring to fig. 7 and 8, the present embodiment is different from the first embodiment in that: the cross-section of bolster 3 is the type of falling T structure, the longitudinal end face of the type of falling T structure inlays and locates in sprocket body 1, and horizontal terminal surface sets up as bulge protrusion sprocket body 1.
The rest of the structure and the function can be seen from the description of the first embodiment.
Example four
Referring to fig. 9 and 10, the present embodiment is different from the first embodiment in that: the cross-section of bolster 3 is the type of falling U structure, the opening of the type of falling U structure sets up outwards, and its terminal surface inlays and locates in sprocket body 1, and two horizontal limits set up as bulge protrusion sprocket body 1. The utility model discloses a bolster 3 can realize twice or the buffering more than twice, advances the working phase of buffering. The thicknesses of two transverse edges of the inverted U-shaped structure are equal. The utility model discloses a bolster 3 has realized twice bending deformation buffering, has realized better buffer function, refers to fig. 11. The thickness of the transverse edge of the inverted U-shaped structure is larger than that of the opening.
The thickness of the through portion 4 of the present embodiment is equal to or different from the thickness of the inner end surface of the cushion member 3.
The rest of the structure and the function can be seen from the description of the first embodiment.
EXAMPLE five
Referring to fig. 12 and 13, the present embodiment is different from the fourth embodiment in that: the thickness of the transverse edge close to the outer tooth side in the two transverse edges of the inverted U-shaped structure is smaller than the thickness C of the other transverse edge, and the thickness C of the other transverse edge is larger than the length of the transverse edge. The utility model discloses a bolster 3 has realized the combination buffering of bending deformation and compressive deformation.
The thickness of the penetrating portion 4 of the present embodiment is smaller than the thickness of the inner end surface of the cushion member 3.
The rest of the structure and the function can be seen from the description of the fourth embodiment.
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 (8)
1. The utility model provides a sprocket of making an uproar falls in compound buffering, includes that sprocket body and equipartition locate the outer tooth on the sprocket body is global, its characterized in that: the chain wheel body is close to the both sides face symmetry of external tooth and inlays the bolster that is equipped with annular structure, and the bolster inner end face of both sides is located the internal portion that runs through of chain wheel through the ring and is linked into an organic whole structure, the bolster includes the bulge that the bulge set up of bulge chain wheel body side, the protrusion length of bulge is greater than the thickness of bulge.
2. The composite damping and noise reducing sprocket as set forth in claim 1, wherein: the cross-section of bolster is for falling L type structure or L type structure, it is internal that this is located to an end face of falling L type structure or L type structure inlays, and a terminal surface sets up as bulge salient sprocket body.
3. The composite damping and noise reducing sprocket as set forth in claim 1, wherein: the cross-section of bolster is the type of falling T structure, the longitudinal end face of the type of falling T structure inlays and locates in the sprocket body, and horizontal terminal surface sets up as bulge protrusion sprocket body.
4. The composite damping and noise reducing sprocket as set forth in claim 1, wherein: the cross-section of bolster is the type of falling U structure, the opening of the type of falling U structure sets up outwards, and its terminal surface inlays and locates in the sprocket body, and two horizontal limits set up as bulge protruding sprocket body.
5. The composite damping and noise reducing sprocket as set forth in claim 4, wherein: the thicknesses of two transverse edges of the inverted U-shaped structure are equal.
6. The composite damping and noise reducing sprocket as set forth in claim 4, wherein: the thickness of the transverse edge close to the outer tooth side in the two transverse edges of the inverted U-shaped structure is smaller than that of the other transverse edge, and the thickness of the other transverse edge is larger than the length of the transverse edge.
7. The composite buffering and noise reducing sprocket as set forth in claim 5 or 6, wherein: the thickness of the transverse edge of the inverted U-shaped structure is larger than that of the opening.
8. The composite damping and noise reducing sprocket as set forth in claim 1, wherein: the buffer is made of resin, rubber or composite elastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020939225.4U CN213088696U (en) | 2020-05-28 | 2020-05-28 | Composite buffering noise reduction chain wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020939225.4U CN213088696U (en) | 2020-05-28 | 2020-05-28 | Composite buffering noise reduction chain wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213088696U true CN213088696U (en) | 2021-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020939225.4U Active CN213088696U (en) | 2020-05-28 | 2020-05-28 | Composite buffering noise reduction chain wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213088696U (en) |
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2020
- 2020-05-28 CN CN202020939225.4U patent/CN213088696U/en active Active
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