CN220320089U - Novel noise reduction roller structure - Google Patents

Abstract

The utility model discloses a novel noise reduction roller structure, which comprises: the roller comprises a roller body and a roller embedded part, wherein the roller body is provided with a plurality of boss structures arranged along the circumferential direction of the roller body, embedded grooves arranged between adjacent boss structures and embedded areas arranged along the circumferential direction at the middle position of the roller body; the roller embedded part comprises a boss structure matched with the embedded groove, a matched groove position matched with the boss structure and a roller boss arranged along the circumferential direction, wherein the matched groove position is arranged between adjacent boss structures, and the boss structure and the matched groove position are arranged on one side of the roller boss along the circumferential direction; the roller boss is arranged in the embedded area, so that the roller embedded part is embedded with the roller body, the roller boss is used for replacing the existing pure hard rubber movement by using the roller embedded part to cover the roller body, soft contact is adopted to reduce movement noise while strength is achieved, and the movement noise of a product is ensured to be in a range required by a customer, so that the commodity of the product is improved.

Description

Novel noise reduction roller structure

Technical Field

The utility model belongs to the field of rollers, and particularly relates to a novel noise reduction roller structure.

Background

In the current electromechanical products, the mutual motion of the matching parts is involved, and the roller part is a structural part commonly used in the matching parts, but the existing roller structure is mostly an integrally formed structure, and under the common use scene: generally, the roller member is directly used as a moving member, the roller surface of the roller member is used for contacting with other components to roll, but the roller structure is mostly a rigid member, the rigid member has no elastic deformation capability, in the moving process, the contact surface of the rigid member and the roller member generates larger noise due to friction, the requirement of low dynamic noise cannot be met, and along with the increasing field of roller application, some host factories or products need to have higher requirements on the noise value of the moving member when the accessory moves, for example, in part of structures, the noise value of the moving member must be below 50 dB, and the existing rigid roller structure cannot meet the requirement of low noise of the moving member.

Although the existing roller structure is sleeved with the rubber sleeve structure on the surface of the rigid roller, the sleeved mode cannot ensure the compactness and stability of the combination of the other rollers, and after long-time use, the rubber sleeve and the rollers are loosened, so that the roller piece is normally used.

Disclosure of Invention

The utility model aims to provide a novel noise reduction roller structure, which is optimized for the roller structure, innovates the roller, replaces the existing pure hard rubber movement with the roller body coated by a roller insert, reduces the movement noise by soft contact while having strength, ensures the movement noise of the product to be in the range of the customer requirement, and improves the commodity of the product.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

novel roller structure of making an uproar falls includes:

the roller comprises a roller body, wherein the roller body is provided with a plurality of boss structures arranged along the circumferential direction of the roller body, an embedded groove arranged between adjacent boss structures, and an embedded area arranged at the middle position of the roller body along the circumferential direction;

the roller embedded part comprises boss structures matched with the embedded grooves, matched groove positions matched with the boss structures and roller bosses arranged along the circumferential direction, wherein the matched groove positions are arranged between the adjacent boss structures, and the boss structures and the matched groove positions are arranged on one side of the roller bosses along the circumferential direction;

the roller boss is arranged in the embedding area so that the roller embedded piece is embedded with the roller body, and the diameter of the roller boss is larger than that of the convex structure position of the roller body, so that the roller boss protrudes out of the roller body in the radial direction.

The roller insert can be respectively embedded with the embedded groove, the convex structure and the embedded area on the roller body through the boss structure, the matched groove position and the roller boss, so that the roller insert is tightly attached to the roller body in multiple directions, and the connection tightness and stability of the roller insert and the roller body are ensured.

Preferably, the roller body is a rigid member, and the roller insert is an elastic member.

The setting like this can make the better embedding of gyro wheel inserts on the gyro wheel body, and the gyro wheel inserts is owing to have elastic deformation ability, when the gyro wheel inserts imbeds on the gyro wheel body, it can be in horizontal, vertical and all better laminating with each contact surface of gyro wheel body of axial to avoid the junction of gyro wheel body and gyro wheel inserts to appear the gap, further guarantee the compactibility that the two are connected, and gyro wheel boss protrusion the mode of gyro wheel body design can make the gyro wheel in the roll process, only the gyro wheel boss produces the friction, finally realizes the noise that produces when reducing the motion by a wide margin.

More preferably, the roller body may be made of metal or hard plastic, and the roller insert is made of rubber or soft rubber material such as TPE or TPEE.

Preferably, the roller body comprises a first matching part and a second matching part which are respectively arranged at two ends of the roller body, and a connecting section for connecting the first matching part and the second matching part, wherein the first matching part and the second matching part are respectively provided with an embedded groove and a convex structure, and the diameter of the first matching part and the diameter of the second matching part are larger than the diameter of the connecting section, so that an embedded area for matching the roller boss is formed between the first matching part and the second matching part.

The setting like this can make the both ends of gyro wheel body homoenergetic and gyro wheel inserts gomphosis to guarantee the steadiness that the two is connected, prevent to produce rotation each other between the two, let the two more inseparable of connecting.

Preferably, connecting shafts are further arranged at two ends of the roller body and are used for being connected with a driving device in the matching piece, so that the driving device can drive the roller to rotate.

Preferably, the opening end of the embedded groove on the first matching part and the opening end of the embedded groove on the second matching part are arranged oppositely, and the convex structures on the first matching part and the second matching part are arranged oppositely.

The boss structures at two ends of the roller embedded part can be matched with the embedded grooves in the first matching part and the second matching part of the roller body conveniently.

Preferably, the protruding structures on the first matching part and the second matching part comprise a first protruding part and a second protruding part which are adjacently arranged;

the first boss comprises a first protruding part extending towards the middle position of the roller body along the axial direction of the roller body and first inclined table parts arranged on two sides of the first protruding part, the first inclined table parts are provided with a first vertical surface and a first inclined surface, the first vertical surface is arranged at an included angle with the side wall of the first protruding part, the first inclined surface extends obliquely from the edge of the first vertical surface to the direction away from the first protruding part, and the first inclined table parts vertically extend towards the side wall of one side of the second boss until contacting with the side wall, so that the first vertical surface and the first inclined surface are vertically arranged with the side wall of the second protruding part;

the second protruding part comprises a second protruding part and second inclined table parts, the second protruding part extends towards the second matching part along the axial direction of the roller body, and the second inclined table parts are arranged on two sides of the second protruding part; the second inclined platform part is provided with a second vertical surface which is arranged at an included angle with the side wall of the second protruding part and a second inclined surface which is obliquely extended from the edge of the second vertical surface to the direction away from the second protruding part, the second inclined surface is perpendicular to the side wall of the second protruding part, and the second inclined platform part extends towards the side wall direction of one side of the first protruding part until the middle area of the second protruding part, so that an embedded groove with an opening end is formed between the first inclined platform part and the second inclined platform part.

Preferably, the first vertical surface is perpendicular to a side wall of the first protruding portion, and an included angle between the first vertical surface and the first inclined surface is an acute angle.

Preferably, the embedded groove comprises a parallel groove and a shrinkage groove, the shrinkage groove is arranged between the first inclined table part and the second inclined table part, the shrinkage groove is surrounded by the first inclined surface and the second inclined surface, the parallel groove is arranged on one side, away from the first protruding part/the second protruding part, of the shrinkage groove, and the parallel groove extends along the direction perpendicular to the second protruding part.

Preferably, the bottoms of at least two adjacent embedded grooves on the first matching part are communicated to form a communication groove, and/or the bottoms of at least two adjacent embedded grooves on the second matching part are communicated to form a communication groove.

More preferably, the bottom of the parallel groove in one of the embedded grooves of the first fitting part is communicated with the bottom of the parallel groove in the adjacent embedded groove to form a communicating groove, thereby facilitating the subsequent matching with the boss structure.

Preferably, the first matching part and the second matching part are provided with two first protruding parts and two second protruding parts, one second protruding part is arranged between every two first protruding parts, so that four embedded grooves are formed, every two embedded grooves which are oppositely arranged are communicated to form a communicating groove, and further the first matching part and the second matching part are provided with two communicating grooves.

Preferably, the roller body is further provided with an avoidance notch, and the avoidance notch is arranged at the position where the bottom of the first inclined table part of the first matching part/the second matching part is connected with the connecting section. By the arrangement, the avoidance gap can be formed in the injection molding process of the subsequent roller embedded part, and injection molding slurry can smoothly enter the communication groove from the avoidance gap.

Preferably, the roller insert comprises a roller boss and a first matching part and a second matching part which are respectively arranged at two sides of the roller boss, the first matching part is used for being connected with the first matching part, the second matching part is used for being connected with the second matching part, matching groove positions and boss structures are respectively arranged on the first matching part and the second matching part, and the diameters of the first matching part and the second matching part are smaller than the diameter of the roller boss so that the roller boss protrudes out of the first matching part and the second matching part in the radial direction.

Preferably, the boss structures on the first matching part and the second matching part comprise a first boss piece and a second boss piece which are oppositely arranged;

the first boss part and the second boss part respectively comprise a first boss part and a second boss part which extend from one surface of the roller boss along the axial direction far away from the roller boss, the second boss part is opposite to the first boss part, the matching groove is arranged between the first boss part and the second boss part, the first boss part and the second boss part respectively comprise a connecting part connected with the roller boss and a clamping part which extends from one surface of the connecting part far away from the roller boss, and the clamping part of the first boss part and the clamping part of the second boss part are mutually connected so that the clamping part of the first boss part and the clamping part of the second boss part are respectively assembled in the communication groove; specifically, the clamping table portion of the first boss portion and the clamping table portion of the second boss portion extend in opposite directions until the clamping table portion of the first boss portion and the clamping table portion of the second boss portion are connected, clamping grooves are formed in two sides of a connecting portion of the connecting portion and the clamping table portion, and a spacing space is formed between the clamping table portion of the first boss portion and the clamping table portion of the second boss portion, so that a matching groove position is formed between the clamping table portion of the first boss portion and the clamping table portion of the second boss portion;

a matching groove is formed between a first boss part on the first boss part and a first boss part on the second boss part, and a matching groove is formed between a second boss part on the first boss part and a second boss part on the second boss part.

The arrangement can enable the first boss part and the second boss part to be connected through the respective clamping table parts, so that the first boss part and the second boss part of the first boss part can be guaranteed to form a matching groove, two clamping table parts on the first boss part can be guaranteed to be matched in a communicating groove formed by communicating two oppositely arranged embedded grooves after being connected, and therefore when the first matching part is matched with the first matching part, the first boss part can be directly connected with the two embedded grooves, connection tightness of the first boss part and the second boss part is guaranteed, and the first matching part is prevented from being separated from the first matching part.

Preferably, the roller insert is embedded into the roller body by injection molding, so that the roller body and the roller insert form an integral structure.

The roller embedded part is arranged in the way that the roller embedded part is wrapped on the roller body to replace the existing pure hard rubber for movement, soft contact is carried out while strength is achieved, movement noise is reduced, the movement noise of a product is guaranteed to be in the range of a customer requirement, and then the commodity of the product is improved.

Preferably, the roller boss is of an annular structure, so that after the roller boss is matched with the connecting section, the inner ring of the roller boss is attached to the outer surface of the connecting section.

The beneficial effects are that:

the novel noise reduction roller structure replaces the existing pure hard rubber movement by coating the roller body by the roller embedded part, soft contact is performed while the strength is provided, the movement noise of a product is ensured to be in the range of the requirement of a customer, and the commodity of the product is further improved; the embedded design of gyro wheel inserts and gyro wheel body can make the better embedding of gyro wheel inserts on the gyro wheel body, and the gyro wheel inserts is owing to have elastic deformation ability, when the gyro wheel inserts imbeds on the gyro wheel body, it can be in horizontal, vertical and all better laminating with each contact surface of gyro wheel body of axial to avoid the junction of gyro wheel body and gyro wheel inserts to appear the gap, further guarantee the compactness that the two are connected, and gyro wheel boss protrusion the mode of gyro wheel body design can make the gyro wheel at the roll in-process, only the gyro wheel boss produces the friction, finally realizes the noise that produces when reducing the motion by a wide margin.

Drawings

FIG. 1 is a general assembly view of a roller structure of the present utility model;

FIG. 2 is a front view of the roller structure of the present utility model;

FIG. 3 is a cross-sectional view taken along the direction A-A in FIG. 2;

FIG. 4 is a cross-sectional view taken along the direction B-B in FIG. 2;

FIG. 5 is a block diagram of a roller body in the roller structure of the present utility model;

FIG. 6 is a top view of the roller body of the roller structure of the present utility model;

FIG. 7 is a cross-sectional view taken along the direction C-C in FIG. 6;

FIG. 8 is a front view of the roller body of the roller structure of the present utility model;

FIG. 9 is a schematic diagram of the front view of the roller insert in the roller structure of the present utility model;

FIG. 10 is a left side view of the roller insert in the roller configuration of the present utility model;

FIG. 11 is a left side view of the roller insert of the roller structure of the present utility model;

FIG. 12 is a front view of a roller insert in the roller structure of the present utility model;

FIG. 13 is a top view of a roller insert in the roller structure of the present utility model;

FIG. 14 is a cross-sectional view taken along the direction E-E in FIG. 13;

FIG. 15 is a cross-sectional view taken along the direction F-F in FIG. 13;

reference numerals

1. A roller body; 11. a bump structure; 111. a first cam member; 1111. a first projection; 1112. a first ramp portion; 11121. a first vertical plane; 11122. a first inclined surface; 112. a second cam member; 1121. a second projection; 11221. a second vertical plane; 11222. a second inclined surface; 12. an embedding groove; 121. parallel grooves; 122. a shrink tank; 101. a first mating portion; 102. a second mating portion; 103. a connection section; 104. an embedded region; 105. avoiding the notch;

2. a roller insert; 21. a boss structure; 211. a first boss member; 2111. a first boss portion; 21111. a connection part; 21112. a clamping table part; 21113. a clamping groove; 2112. a second boss portion; 212. a second boss member; 201. a first matching section; 202. a second matching section; 22. a matching groove position; 23. roller boss.

Detailed Description

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will explain the specific embodiments of the present utility model with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.

The technical scheme of the utility model is described in detail in the following by specific embodiments.

Example 1

As shown in fig. 1-4, a novel noise reduction roller structure includes:

the roller comprises a roller body 1, wherein the roller body 1 is provided with a plurality of boss structures 11 arranged along the circumferential direction of the roller body 1, embedded grooves 12 arranged between adjacent boss structures 11, and embedded areas 104 arranged along the circumferential direction at the middle position of the roller body 1;

the roller insert 2 comprises boss structures 21 matched with the insert grooves 12, matched groove positions 22 matched with the boss structures 11 and roller bosses 23 arranged along the circumferential direction, wherein the matched groove positions 22 are arranged between the adjacent boss structures 21, and the boss structures 21 and the matched groove positions 22 are arranged on one side of the roller bosses 23 along the circumferential direction;

the roller boss 23 is disposed in the insertion region 104 such that the roller insert 2 is engaged with the roller body 1, and the diameter of the roller boss 23 is larger than the diameter of the position of the boss structure 11 of the roller body 1, so that the roller boss 23 protrudes radially beyond the roller body 1.

The roller boss 23 is in an annular structure, so that after the roller boss 23 is matched with the connecting section 103, the inner ring of the roller boss 23 is attached to the outer surface of the connecting section 103.

The roller insert 2 can be respectively embedded with the embedded groove 12, the convex structure 11 and the embedded area 104 on the roller body 1 through the boss structure 21, the matched groove position 22 and the roller boss 23, so that the roller insert 2 is tightly attached to the roller body 1 in multiple directions, and the connection tightness and stability of the roller insert and the roller body are ensured.

The roller body 1 is a rigid piece, and the roller insert 2 is an elastic piece. The setting like this can make the better embedding of gyro wheel inserts 2 on gyro wheel body 1, and gyro wheel inserts 2 owing to have elastic deformation ability, when gyro wheel inserts 2 imbeds on gyro wheel body 1, its can be in horizontal, vertical and all better laminating with each contact surface of gyro wheel body 1 of axial to avoid the junction of gyro wheel body 1 and gyro wheel inserts 2 to appear the gap, further guarantee the compactness that the two are connected, and gyro wheel boss 23 protrusion gyro wheel body 1 design's mode can make the gyro wheel at the roll in-process, only gyro wheel boss 23 produces the friction, finally realizes the noise that produces when reducing the motion by a wide margin.

Preferably, the roller body 1 may be made of metal or hard plastic, and the roller insert 2 may be made of rubber or TPE or TPEE.

The roller insert 2 is embedded into the roller body 1 by injection molding, so that the roller body 1 and the roller insert 2 are formed into an integral structure. The roller embedded part 2 can be used for replacing the existing pure hard rubber movement in the mode of coating the roller body 1, soft contact is used for reducing movement noise while strength is achieved, the movement noise of a product is ensured to be in the range of a customer requirement, and the commodity of the product is improved.

As shown in fig. 5-8, the roller body 1 includes a first mating portion 101 and a second mating portion 102 respectively disposed at two ends of the roller body 1, and a connecting section 103 connecting the first mating portion 101 and the second mating portion 102, where the first mating portion 101 and the second mating portion 102 are respectively provided with an embedded groove 12 and a protruding structure 11, and diameters of the first mating portion 101 and the second mating portion 102 are greater than diameters of the connecting section 103, so that an embedded area 104 for matching the roller boss 23 is formed between the first mating portion 101 and the second mating portion. The setting like this can make the both ends of gyro wheel body 1 all can with gyro wheel inserts 2 gomphosis to guarantee the steadiness that the two is connected, prevent to produce rotation each other between the two, let the two more inseparable of connection.

The open ends of the embedded grooves 12 on the first matching part 101 and the open ends of the embedded grooves 12 on the second matching part 102 are arranged oppositely, and the convex structures 11 on the first matching part 101 and the second matching part 102 are arranged oppositely. This facilitates the engagement of the boss structures 21 at both ends of the roller insert 2 with the insertion grooves 12 on the first and second engaging portions 101, 102 of the roller body 1.

The protruding structures 11 on the first matching part 101 and the second matching part 102 comprise a first protruding piece 111 and a second protruding piece 112 which are adjacently arranged;

the first boss 111 includes a first protruding portion 1111 extending toward the middle of the roller body 1 along the axial direction of the roller body 1, and first inclined stand portions disposed on both sides of the first protruding portion 1111, the first inclined stand portions having a first vertical surface 11121 disposed at an angle with the sidewall of the first protruding portion 1111 and a first inclined surface 11122 extending obliquely from the edge of the first vertical surface 11121 toward a direction away from the first protruding portion 1111, and the first inclined stand portions extending vertically toward the sidewall of the second boss 112 until contacting the sidewall, such that the first vertical surface 11121 and the first inclined surface 11122 are disposed vertically to the sidewall of the second protruding portion 1121;

the second protruding part 112 includes a second protruding part 1121 extending toward the second mating part 102 along the axial direction of the roller body 1 and second ramp parts disposed at both sides of the second protruding part 1121; the second inclined platform portion has a second vertical surface 11221 disposed at an angle to the sidewall of the second protruding portion 1121, and a second inclined surface 11222 extending obliquely from the edge of the second vertical surface 11221 to a direction away from the second protruding portion 1121, where the second inclined surface 11222 is disposed perpendicular to the sidewall of the second protruding portion 1121, and the second inclined platform portion extends toward the sidewall of the first protruding portion 1111 to a middle region of the second protruding portion 1121, so that an embedded groove 12 having an open end is formed between the first inclined platform portion and the second inclined platform portion.

In this embodiment, the first vertical surface 11121 is preferably perpendicular to a side wall of the first protrusion 1111, and an included angle between the first vertical surface 11121 and the first inclined surface 11122 is an acute angle.

The embedded groove 12 includes a parallel groove 121 and a shrink groove 122, the shrink groove 122 is disposed between the first ramp portion and the second ramp portion, the shrink groove 122 is surrounded by the first inclined surface 11122 and the second inclined surface 11222, the parallel groove 121 is disposed on a side of the shrink groove 122 away from the first protruding portion 1111/the second protruding portion 1121, and the parallel groove 121 is disposed to extend in a direction perpendicular to the second protruding portion 1121.

At least two adjacent bottoms of the embedded grooves 12 on the first matching portion 101 are communicated to form a communicating groove, and/or at least two adjacent bottoms of the embedded grooves 12 on the second matching portion 102 are communicated to form a communicating groove. Preferably, the bottom of the parallel groove 121 in one of the embedded grooves 12 of the first fitting part 101 communicates with the bottom of the parallel groove 121 in the adjacent embedded groove 12 to form a communicating groove, thereby facilitating the subsequent matching with the boss structure 21.

In this embodiment, two first protruding parts 111 and two second protruding parts 112 are disposed on the first matching portion 101 and the second matching portion 102, and one second protruding part 112 is disposed between each two first protruding parts 111, so as to form four embedded grooves 12, wherein each two oppositely disposed embedded grooves 12 are communicated to form a communicating groove, and further two communicating grooves are formed on the first matching portion 101 and the second matching portion 102.

As shown in fig. 9-15, the roller insert 2 includes a roller boss 23, and a first matching portion 201 and a second matching portion 202 respectively disposed on two sides of the roller boss 23, where the first matching portion 201 is used to connect with the first matching portion 101, the second matching portion 202 is used to connect with the second matching portion 102, the first matching portion 201 and the second matching portion 202 are both provided with a matching slot 22 and a boss structure 21, and diameters of the first matching portion 201 and the second matching portion 202 are smaller than diameters of the roller boss 23, so that the roller boss 23 protrudes radially beyond the first matching portion 201 and the second matching portion 202.

The boss structures 21 on the first matching part 201 and the second matching part 202 comprise a first boss 211 and a second boss 212 which are oppositely arranged;

the first boss 211 and the second boss 212 each include a first boss portion 2111 and a second boss portion 2112 extending from one surface of the roller boss 23 in a direction away from the roller boss 23 in an axial direction, the second boss portion 2112 is disposed opposite to the first boss portion 2111, the mating groove 22 is disposed between the first boss portion 2111 and the second boss portion 2112, each of the first boss portion 2111 and the second boss portion 2112 includes a connection portion 21111 connected to the roller boss 23 and a clamping portion 21112 extending from one surface of the connection portion 21111 away from the roller boss 23, and the clamping portion 21112 of the first boss portion 2111 and the clamping portion 21112 of the second boss portion 2112 are connected to each other, so that the clamping portion 21112 of the first boss portion 2111 and the clamping portion 21112 of the second boss portion 2112 are both assembled in the communication groove; specifically, the clamping portion 21112 of the first boss portion 2111 and the clamping portion 21112 of the second boss portion 2112 extend toward each other until they are connected, clamping grooves 21113 are formed on two sides of a connection portion between the connecting portion 21111 and the clamping portion 21112, and a space is formed between the clamping portion 21112 of the first boss portion 2111 and the clamping portion 21112 of the second boss portion 2112, so that a fitting groove 22 is formed between the clamping portion 21112 of the first boss portion 2111 and the clamping portion 21112 of the second boss portion 2112;

a mating groove 22 is formed between the first boss portion 2111 on the first boss 211 and the first boss portion 2111 on the second boss 212, and a mating groove 22 is formed between the second boss portion 2112 on the first boss 211 and the second boss portion 2112 on the second boss 212.

By means of the arrangement, the first boss portion 2111 and the second boss portion 2112 can be connected through the respective clamping table portions 21112, the formation of the matching groove 22 between the first boss portion 2111 and the second boss portion 2112 of the first boss member 211 can be guaranteed, meanwhile, the matching of the two connected clamping table portions 21112 on the first boss member 211 in the communication groove formed by the communication of the two oppositely arranged embedded grooves 12 can be guaranteed, and therefore when the first matching portion 201 is matched with the first matching portion 101, the first boss member 211 can be directly connected with the two embedded grooves 12, the connection tightness of the first boss member 211 and the second boss member is guaranteed, and the first matching portion 201 is prevented from being separated from the first matching portion 101.

Example 2

The present embodiment only discloses differences from the above embodiment, in this embodiment, two ends of the roller body 1 are further provided with connecting shafts, and the connecting shafts are used for connecting with a driving device in the mating member, so that the driving device can drive the roller to rotate.

Example 3

The present embodiment only discloses differences from the above embodiment, in this embodiment, an avoidance notch 105 is further provided on the roller body 1, and the avoidance notch 105 is disposed at a position where the bottom of the first ramp portion of the first mating portion 101/the second mating portion 102 is connected to the connection section 103. By the arrangement, the avoiding notch 105 can be formed in the injection molding process of the subsequent roller insert 2, and injection molding slurry can smoothly enter the communication groove from the avoiding notch 105.

The embodiments of the present utility model are described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the core concepts of the utility model. It should be noted that it will be apparent to those skilled in the art that the present utility model may be modified and adapted without departing from the principles of the present utility model, and that such modifications and adaptations are intended to be within the scope of the appended claims.

Claims (10)

1. Novel roller structure of making an uproar falls, its characterized in that includes:

the novel roller comprises a roller body (1), wherein the roller body (1) is provided with a plurality of boss structures (11) which are arranged along the circumferential direction of the roller body (1), an embedded groove (12) which is arranged between every two adjacent boss structures (11), and an embedded area (104) which is arranged at the middle position of the roller body (1) along the circumferential direction;

the roller insert (2), the roller insert (2) comprises boss structures (21) matched with the insert grooves (12), matched groove positions (22) matched with the boss structures (11) and roller bosses (23) arranged along the circumferential direction, the matched groove positions (22) are arranged between adjacent boss structures (21), and the boss structures (21) and the matched groove positions (22) are all arranged on one side of the roller bosses (23) along the circumferential direction;

the roller boss (23) is arranged in the embedding area (104) so that the roller embedded piece (2) is embedded with the roller body (1), and the diameter of the roller boss (23) is larger than that of the position of the convex structure (11) of the roller body (1), so that the roller boss (23) protrudes out of the roller body (1) in the radial direction.

2. The novel noise reduction roller structure according to claim 1, wherein the roller body (1) is a rigid member or a hard rubber member, and the roller insert (2) is an elastic member.

3. The novel noise reduction roller structure according to claim 1 or 2, wherein the roller body (1) comprises a first matching portion (101) and a second matching portion (102) which are respectively arranged at two ends of the roller body (1), and a connecting section (103) for connecting the first matching portion (101) and the second matching portion (102), the first matching portion (101) and the second matching portion (102) are respectively provided with an embedded groove (12) and a convex structure (11), and the diameters of the first matching portion (101) and the second matching portion (102) are larger than the diameter of the connecting section (103), so that an embedded area (104) for matching a roller boss (23) is formed between the first matching portion (101) and the second matching portion.

4. The novel noise reduction roller structure according to claim 3, wherein an opening end of the embedded groove (12) on the first mating portion (101) and an opening end of the embedded groove (12) on the second mating portion (102) are disposed opposite to each other, and the protruding structures (11) on the first mating portion (101) and the second mating portion (102) are disposed opposite to each other.

5. A novel noise reduction roller structure according to claim 3, wherein the boss structures (11) on the first mating portion (101) and the second mating portion (102) each comprise a first boss (111) and a second boss (112) that are adjacently disposed;

the first boss (111) comprises a first boss (1111) extending towards the middle position of the roller body (1) along the axial direction of the roller body (1) and first inclined table parts arranged at two sides of the first boss (1111), the first inclined table parts are provided with a first vertical surface (11121) and a first inclined surface (11122) which extend obliquely from the edge of the first vertical surface (11121) towards the direction away from the first boss (1111), and the first inclined table parts extend towards the side wall direction of one side of the second boss (112) vertically until contacting with the side wall, so that the first vertical surface (11121) and the first inclined surface (11122) are arranged vertically to the side wall of the adjacent second boss (1121);

the second protruding part (112) comprises a second protruding part (1121) extending towards the second matching part (102) along the axial direction of the roller body (1) and second inclined bench parts arranged at two sides of the second protruding part (1121); the second inclined table portion is provided with a second vertical surface (11221) which is arranged at an included angle with the side wall of the second protruding portion (1121) and a second inclined surface (11222) which is obliquely extended from the edge of the second vertical surface (11221) to the direction away from the second protruding portion (1121), the second inclined surface (11222) is perpendicular to the side wall of the second protruding portion (1121), and the second inclined table portion extends towards the side wall direction of one side of the first protruding portion (1111) until reaching the middle area of the second protruding portion (1121), so that an embedded groove (12) with an open end is formed between the first inclined table portion and the second inclined table portion.

6. The novel noise reduction roller structure according to claim 5, wherein the embedded groove (12) comprises a parallel groove (121) and a shrinkage groove (122), the shrinkage groove (122) is arranged between the first sloping platform part and the second sloping platform part, the shrinkage groove (122) is surrounded by the first inclined surface (11122) and the second inclined surface (11222), the parallel groove (121) is arranged on one side, away from the first protruding part (1111)/the second protruding part (1121), of the shrinkage groove (122), and the parallel groove (121) is arranged in an extending manner along a direction perpendicular to the second protruding part (1121).

7. A novel noise reduction roller structure according to claim 3, wherein at least two adjacent bottoms of the embedded grooves (12) on the first matching portion (101) are communicated to form a communicating groove, and/or at least two adjacent bottoms of the embedded grooves (12) on the second matching portion (102) are communicated to form a communicating groove.

8. The novel noise reduction roller structure according to claim 7, wherein the roller insert (2) comprises a roller boss (23) and a first matching part (201) and a second matching part (202) which are respectively arranged on two sides of the roller boss (23), the first matching part (201) is used for being connected with the first matching part (101), the second matching part (202) is used for being connected with the second matching part (102), matching groove positions (22) and boss structures (21) are respectively arranged on the first matching part (201) and the second matching part (202), and the diameters of the first matching part (201) and the second matching part (202) are smaller than the diameter of the roller boss (23), so that the roller boss (23) radially protrudes out of the first matching part (201) and the second matching part (202) to be arranged.

9. The novel noise reduction roller structure according to claim 8, wherein the boss structures (21) on the first matching portion (201) and the second matching portion (202) each include a first boss (211) and a second boss (212) that are disposed opposite to each other;

the first boss piece (211) and the second boss piece (212) comprise a first boss portion (2111) and a second boss portion (2112) which extend from one surface of the roller boss (23) along the axial direction far away from the roller boss (23), the second boss portion (2112) is opposite to the first boss portion (2111), the matching groove (22) is arranged between the first boss portion (2111) and the second boss portion (2112), the first boss portion (2111) and the second boss portion (2112) comprise a connecting portion (21111) connected with the roller boss (23) and a clamping portion (21112) which extends from one surface of the connecting portion (21111) far away from the roller boss (23), and the clamping portion (21112) of the first boss portion (2111) and the clamping portion (21112) of the second boss portion (2) are mutually connected, so that the clamping portion (21112) of the first boss portion (2111) and the clamping portion (2112) are communicated with the matching groove (2112) of the second boss portion (2112);

a matching groove (22) is formed between a first boss portion (2111) on the first boss (211) and a first boss portion (2111) on the second boss (212), and a matching groove (22) is formed between a second boss portion (2112) on the first boss (211) and a second boss portion (2112) on the second boss (212).

10. A novel noise reduction roller structure according to claim 3, characterized in that the roller insert (2) is embedded onto the roller body (1) by means of injection molding, so that the roller body (1) and the roller insert (2) are formed as an integral structure.