CN220031613U

CN220031613U - Noise-reduction and shock-absorption rim, hub assembly and heavy truck

Info

Publication number: CN220031613U
Application number: CN202321300376.5U
Authority: CN
Inventors: 熊小红; 谢波; 万涛
Original assignee: Hubei Dayang Zhitong Technology Co ltd
Current assignee: Hubei Dayang Zhitong Technology Co ltd
Priority date: 2023-05-23
Filing date: 2023-05-23
Publication date: 2023-11-17
Anticipated expiration: 2033-05-23

Abstract

The utility model provides a silencing and damping rim, a hub assembly and a heavy truck, wherein the silencing and damping rim comprises a rim body and a plurality of groups of silencing and damping members which are distributed at intervals along the circumferential direction of the rim body. The silencing and damping component comprises a reserved groove, a rubber block, a damping plate and a plurality of groups of positioning and connecting structures; a separable connecting structure is arranged between the rubber block and the bottom of the reserved groove; the shock-absorbing plate is fixedly connected with the rubber block, and a plurality of through holes are formed in the shock-absorbing plate. Impact force transmitted by the tire can be buffered through the rubber block and the damping plate, and meanwhile impact noise is reduced by the through holes. The hub assembly comprises the silencing and damping rim and the spoke body, and the heavy truck comprises the hub assembly, and the beneficial effects of the hub assembly, the spoke body and the heavy truck are identical. According to the silencing and damping rim, the hub assembly and the heavy truck, the rim body and the damping plate can be separated through the separable connecting structure, so that the hub can be conveniently maintained and maintained, and the stability of the service life of the hub is ensured.

Description

Noise-reduction and shock-absorption rim, hub assembly and heavy truck

Technical Field

The utility model belongs to the field of structural design of wheels, and particularly relates to a silencing and damping rim, a hub assembly and a heavy truck.

Background

The hub is a metal part which is used for being connected with an axle and supporting a tire, is also called a rim, a steel ring, wheels, a bell, and the like, and belongs to a basic component of a wheel structure.

When an automobile runs on a rough road surface at a constant speed, the road surface can impact the surface of the tire, vibration generated by the impact can be transmitted to high-pressure air between the tire and a rim (the rim is a part of a hub) through a tread, so that a high-pressure air mode inside the tire is excited, air resonance noise is generated, larger tire noise and vibration are generated, and the driving experience of a driver is reduced. In order to solve the technical problem, the current main means is to refit the existing rim structure, fix the sheet-shaped silencing and damping sheet on the surface of the rim, and improve the capability of the hub for reducing noise and vibration.

The inventor finds that the silencing and damping piece fixedly connected to the surface of the rim is inconvenient to detach (especially for heavy trucks, the tire tread is wider, so that the fixing and connecting strength is higher), further the maintenance process of the hub is not facilitated, the technical defect of reduced silencing and damping effects can be caused after long-time use, and the technical problem of reduced service life of the hub is caused.

Disclosure of Invention

The utility model aims to provide a silencing and damping rim, a hub assembly and a heavy truck, which are used for solving the technical problem that the service life of a hub is reduced due to the fact that silencing and damping sheets are inconvenient to detach from the surface of the rim.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the sound-damping and shock-absorbing rim comprises a rim body and a plurality of groups of sound-damping and shock-absorbing members; the rim body is annular, and a plurality of groups of silencing and damping members are distributed at intervals along the circumferential direction of the rim body; the sound-deadening and shock-absorbing member includes:

a reserved groove formed on the outer peripheral surface of the rim body;

the rubber block is suitable for being embedded in the reserved groove, and a separable connecting structure is arranged between the rubber block and the groove bottom of the reserved groove;

the damping plate adopts an arc-shaped structure matched with the outer peripheral surface of the rim body, and the inner side surface of the damping plate is fixedly connected with the rubber block; the damping plate is provided with a plurality of through holes which are distributed at intervals along the width direction, and each through hole extends in an arc shape and penetrates through two ends of the damping plate; and

the plurality of groups of positioning connection structures are arranged between the damping plate and the outer peripheral surface of the rim body and are used for connecting the damping plate and the rim body so as to limit the movement of the damping plate relative to the rim body;

when the rubber block is embedded in the reserved groove, the damping plate is suitable for being attached to the outer peripheral surface of the rim body.

In one possible implementation, the silencing and damping member further includes:

the sound-absorbing cotton strips are inserted into the through holes in a one-to-one correspondence mode.

In one possible implementation, the separable connection structure includes:

the plurality of positioning strips are distributed at intervals along the circumferential direction of the rim body, are fixedly connected with the outer circumferential surface of the rim body, and are axially parallel to the axial direction of the rim body; one end of the positioning strip, which is opposite to the rim body, is provided with a cylindrical part extending outwards; and

the plurality of alignment grooves are formed in the rubber block and are positioned on one side of the rubber block, which is suitable for facing the bottom of the reserved groove;

when the rubber block is embedded in the reserved groove, the positioning strips are suitable for being inserted in the alignment grooves in a one-to-one correspondence mode, and the corresponding cylindrical portions are abutted to the inner walls of the alignment grooves in a one-to-one correspondence mode so as to limit the movement of the rubber block relative to the rim body.

In one possible implementation, the positioning connection structure includes:

the fixed block is fixedly connected to the outer peripheral surface of the rim body and is provided with an embedding groove suitable for embedding the corner end of the shock absorbing plate;

the positioning hole penetrates through the shock absorbing plate along the thickness direction of the shock absorbing plate; and

the nut is fixedly connected to the fixed block; when the corner end of the shock absorption plate is embedded into the scarf joint groove, the central shaft of the positioning hole is suitable for being overlapped with the central shaft of the nut;

wherein, the nut is connected with an alignment bolt through threads; the alignment bolts are suitable for being screwed into the positioning holes so as to limit the shock absorption plate to move relative to the fixed block along the circumferential direction of the rim body.

In one possible implementation manner, the positioning connection structure further includes:

the butt joint groove is formed in the outer peripheral surface of the rim body; when the shock absorbing plate is attached to the outer peripheral surface of the rim body and the corner end of the shock absorbing plate is inserted into the scarf joint groove, the butting groove is suitable for being communicated with the corresponding positioning hole so that the alignment bolt can be inserted.

In one possible implementation manner, the upper end of the fixing block is provided with a containing hole communicated with the scarf joint groove, and the nut is fixedly arranged in the containing hole.

the reinforcing plate is fixedly connected to the inner peripheral surface of the rim body and is arranged in parallel with the corresponding reserved groove along the radial direction of the rim body;

the central shaft of the reinforcing plate is coincident with the central shaft of the reserved groove, and the central angle degree corresponding to the reserved groove is smaller than that corresponding to the reinforcing plate.

In this embodiment, the combined structure through rubber piece and shock attenuation board can cushion the impact force that the tire transmitted, utilizes the through-hole to also amortize impact noise simultaneously to reach amortization absorbing technical purpose.

When the rim body is required to be maintained or maintained, the combined structure of the rubber block and the damping plate can be separated from the reserved groove by adjusting the positioning connection structure and the separable connection structure, so that the rubber block and the damping plate can be independently replaced or maintained.

Compared with the prior art, the silencing and damping rim provided by the utility model has the advantages that the rim body and the damping plate can be separated through the separable connecting structure, so that the hub can be conveniently maintained and maintained, the silencing and damping effects of the rim are ensured, and the stability of the service life of the hub is ensured.

The utility model also provides a hub assembly, which comprises the silencing and damping rim provided by any one of the above claims and a spoke body arranged on the inner side of the rim body.

In one possible implementation, the spoke body includes:

the connecting disc is used for being coaxially connected with the axle in a transmission way; and

a plurality of spokes spaced apart along a circumference of the connecting disc; the axial direction of each spoke is perpendicular to the thickness direction of the connecting disc, and two ends of each spoke are fixedly connected with the outer peripheral surface of the connecting disc and the inner peripheral surface of the rim body respectively;

the number of the spokes is equal to the number of the groups of the silencing and damping members, and the silencing and damping members are respectively arranged in a plurality of spaces formed between two adjacent spokes.

The beneficial effects of the hub assembly provided in this embodiment are the same as those of the noise-reducing and shock-absorbing rim, and are not described here again.

The technical scheme adopted by the utility model also provides a heavy truck, which comprises the hub assembly provided by any one of the preceding claims.

The beneficial effects of the heavy truck provided by the embodiment are the same as those of the silencing and damping rim and the hub assembly, and are not repeated here.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of a hub assembly according to an embodiment of the present utility model;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a cross-sectional view of a sound attenuation and vibration reduction rim according to an embodiment of the present utility model;

FIG. 4 is an enlarged partial schematic view of the upper frame A of FIG. 3;

FIG. 5 is a partially enlarged schematic illustration of circle B in FIG. 4;

FIG. 6 is a partial schematic view of a rim body employed in an embodiment of the present utility model;

FIG. 7 is an exploded view of a shock absorbing panel and a sound absorbing tampon used in an embodiment of the present utility model;

FIG. 8 is a schematic view of a partial explosion of a positioning connection and a detachable connection employed in an embodiment of the present utility model;

wherein, each reference sign in the figure: 1. a rim body; 11. a reserved groove; 2. a rubber block; 3. a shock absorbing plate; 31. a through hole; 4. positioning connection structure; 41. a fixed block; 411. a scarf joint groove; 412. a receiving hole; 42. positioning holes; 43. a nut; 431. an alignment bolt; 44. a butt joint groove; 5. a detachable connection structure; 51. a positioning strip; 511. a cylindrical portion; 52. an alignment groove; 6. a sound absorbing cotton sliver; 7. a reinforcing plate; 8. a spoke body; 81. a connecting disc; 82. spokes.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 8, the noise-reducing and vibration-reducing rim provided by the present utility model will now be described. The utility model provides a silencing and damping rim, which comprises a rim body 1 and a plurality of groups of silencing and damping members.

The rim body 1 has the same structure as the rim in the prior art, is annular, and adopts a flanging structure along the two axial end edges thereof.

The multiunit amortization shock attenuation component is along the circumference interval distribution of rim body 1, and every group amortization shock attenuation component all can play amortization and absorbing effect, and can produce synergistic effect between the multiunit amortization shock attenuation component to ensure the stability of amortization and cushioning effect. In the present embodiment, the silencing and damping members have four groups and are equally spaced apart in the circumferential direction of the rim body 1.

In this embodiment, the silencing and damping member comprises a preformed groove 11, a rubber block 2, a damping plate 3 and a plurality of groups of positioning and connecting structures 4.

The reserved groove 11 is formed on the outer peripheral surface of the rim body 1, and the corresponding central angle degree (corresponding meaning herein means that the connecting line included angle between the two ends of the reserved groove 11 and the central point of the rim body 1 in the circumferential direction of the rim body 1) is 45 degrees.

The rubber block 2 is suitable for being embedded in the reserved groove 11, and a separable connecting structure 5 is arranged between the rubber block and the groove bottom of the reserved groove 11; through separable connection structure 5, can connect the tank bottom of rubber piece 2 and reservation groove 11 when the embedding of rubber piece 2 reservation groove 11, still can demolish rubber piece 2 from reservation inslot 11 under the exogenic action simultaneously.

The shock absorbing plate 3 adopts an arc-shaped structure matched with the outer peripheral surface of the rim body 1, and the inner side surface of the shock absorbing plate is fixedly connected with the rubber block 2. The shock absorbing plate 3 is provided with a plurality of through holes 31 which are distributed at intervals along the width direction, and each through hole 31 extends in an arc shape and penetrates through two ends of the shock absorbing plate 3 to form a cavity structure for silencing; in the present embodiment, the through holes 31 have three, and the through hole 31 in the middle passes through the center point of the damper plate 3.

The plurality of groups of positioning connection structures 4 are arranged between the shock absorbing plate 3 and the peripheral surface of the rim body 1 and are used for connecting the shock absorbing plate 3 and the rim body 1 so as to limit the movement of the shock absorbing plate 3 relative to the rim body 1; the connection made by the positioning connection 4 cannot be manually removed (with the aid of tools during removal) compared to the detachable connection 5, with a higher structural strength.

In this embodiment, the area of shock attenuation board 3 is greater than the area of rubber piece 2, and the central axis coincidence of two, the beneficial effect of designing this structure lies in: when the rubber block 2 is embedded in the reserved groove 11, the damping plate 3 is suitable for being attached to the outer peripheral surface of the rim body 1.

In this embodiment, the combined structure of the rubber block 2 and the damping plate 3 can buffer the impact force transmitted from the tire, and meanwhile, the through hole 31 can also be used for silencing the impact noise, so as to achieve the technical purpose of silencing and damping.

When the rim body 1 needs to be maintained or maintained, the combined structure of the rubber block 2 and the shock absorbing plate 3 can be separated from the reserved groove 11 by adjusting the positioning connecting structure 4 and the separable connecting structure 5, so that the rubber block and the shock absorbing plate 3 can be independently replaced or maintained.

Compared with the prior art, the silencing and damping rim provided by the utility model has the advantages that the rim body 1 and the damping plate 3 can be separated through the separable connecting structure 5, so that the hub can be conveniently maintained and maintained, the silencing and damping effects of the rim are ensured, and the stability of the service life of the hub is ensured.

In some embodiments, as shown in fig. 7, the sound attenuating and damping member further includes a plurality of sound absorbing tampons 6.

The sound-absorbing cotton strips 6 are inserted in the through holes 31 in a one-to-one correspondence manner so as to assist the cavity structure to achieve the silencing purpose and improve the silencing effect and silencing stability.

In some embodiments, as shown in fig. 5 and 8, the separable connection structure 5 includes a plurality of alignment bars 51 and a plurality of alignment slots 52.

The positioning strips 51 are distributed at intervals along the circumferential direction of the rim body 1, are fixedly connected with the outer circumferential surface of the rim body 1, and are axially parallel to the axial direction of the rim body 1; in this embodiment, the end of the locating strip 51 facing away from the rim body 1 has an outwardly extending cylindrical portion 511.

The plurality of alignment grooves 52 are all formed on the rubber block 2 and are all positioned on one side of the rubber block 2, which is suitable for facing the bottom of the reserved groove 11; since the alignment groove 52 is formed in the rubber block 2, both the opening and the inner wall of the alignment groove 52 have the characteristics of the rubber material.

Through adopting above-mentioned technical scheme, when rubber piece 2 scarf joint in reserve tank 11, many locating strips 51 are suitable for the one-to-one grafting in a plurality of alignment grooves 52, and a corresponding plurality of cylinder portion 511 one-to-one butt is on the inner wall of a plurality of alignment grooves 52 to restrict the removal of rubber piece 2 for rim body 1.

In some embodiments, as shown in fig. 6 and 8, the positioning connection structure 4 includes a fixing block 41, a positioning hole 42, and a nut 43.

The fixing block 41 is fixedly attached to the outer peripheral surface of the rim body 1, and has an engagement recess 411 adapted to receive the corner end of the damper plate 3.

The positioning hole 42 penetrates the damper plate 3 in the thickness direction of the damper plate 3, specifically, penetrates a portion of the damper plate 3 outside the rubber block 2.

The nut 43 is fixedly connected to the fixing block 41, and its axial direction is perpendicular to the axial direction of the engagement slot 411, so that the purpose of the design is that: when the corner end of the damper plate 3 is fitted into the engagement slot 411, the center axis of the positioning hole 42 is adapted to coincide with the center axis of the nut 43.

In the present embodiment, the nut 43 is screwed with an alignment bolt 431; the above-described alignment bolts 431 are adapted to be screwed into the positioning holes 42 to restrict the circumferential movement of the damper plate 3 relative to the fixed block 41 in the rim body 1.

In some embodiments, as shown in fig. 6 and 8, the positioning connection structure 4 further includes a docking slot 44.

The butt-joint groove 44 is formed on the outer peripheral surface of the rim body 1, and adopts a round hole structure adapted to the stem portion of the alignment bolt 431.

When the damper plate 3 is attached to the outer peripheral surface of the rim body 1 and the corner end thereof is inserted into the engagement groove 411, the engagement groove 44 is adapted to communicate with the corresponding positioning hole 42 so that the alignment bolt 431 is inserted, thereby improving the connection effect between the alignment bolt 431 and the rim body 1.

In some embodiments, as shown in fig. 8, the upper end of the fixing block 41 is provided with a receiving hole 412 communicating with the engagement slot 411, and the nut 43 is coaxially and fixedly disposed in the receiving hole 412, so as to realize the in-line installation of the nut 43.

In some embodiments, as shown in fig. 2, the sound deadening and shock absorbing member further includes a reinforcing plate 7.

The reinforcing plate 7 is fixedly connected to the inner peripheral surface of the rim body 1 and is arranged in parallel with the corresponding reserved groove 11 along the radial direction of the rim body 1; the central axis of the reinforcing plate 7 coincides with the central axis of the reserve tank 11, and the number of central angles corresponding to the reserve tank 11 is smaller than the number of central angles corresponding to the reinforcing plate 7.

Through adopting above-mentioned technical scheme, reinforcing plate 7 can effectively improve rim body 1's structural strength, alleviates the structural damage that sets up reservation groove 11 and bring.

Based on the same inventive concept, the embodiment of the present utility model also provides a hub assembly, including the noise-reducing and vibration-reducing rim set forth in any one of the above, and a spoke body 8 disposed inside the rim body 1.

In some embodiments, as shown in fig. 1 and 2, the spoke body 8 includes a connecting disc 81 and a plurality of spokes 82.

The connection disc 81 is used for coaxial transmission connection with the axle, and the specific transmission connection structure is the prior art and will not be described herein.

A plurality of spokes 82 are spaced apart along the circumference of the connecting disc 81; the axial direction of each spoke 82 is perpendicular to the thickness direction of the connecting disc 81, and two ends of each spoke are fixedly connected with the outer peripheral surface of the connecting disc 81 and the inner peripheral surface of the rim body 1.

The number of spokes 82 is equal to the number of groups of the silencing and damping members, and the silencing and damping members are respectively disposed in a plurality of spaces formed between two adjacent spokes 82, specifically: in this embodiment, the spokes 82 have three, and the sound attenuating and shock absorbing members have three groups; and, among the three spokes 82, a space for accommodating a single sound-deadening and shock-absorbing member is formed between each adjacent two of the spokes 82.

Through adopting above-mentioned technical scheme, spoke 82 supplements the structural damage that the amortization shock-absorbing member brought of installation, avoids the local structural damage that appears of rim body 1, has improved the intensity and the stability of this structure.

Based on the same inventive concept, the embodiment of the utility model also provides a heavy truck, which comprises the hub assembly provided by the content.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The silencing and damping rim comprises a rim body and a plurality of groups of silencing and damping members; the rim body is annular, and a plurality of groups of silencing and damping members are distributed at intervals along the circumferential direction of the rim body; the noise-reducing and shock-absorbing member is characterized by comprising:

a reserved groove formed on the outer peripheral surface of the rim body;

2. The sound-deadening and shock-absorbing rim of claim 1, wherein the sound-deadening and shock-absorbing member further comprises:

3. The sound attenuating and vibration reducing rim of claim 1, wherein the separable connection structure comprises:

4. The sound attenuating and vibration reducing rim of claim 1, wherein the locating connection structure comprises:

5. The sound attenuating and shock absorbing rim of claim 4, wherein the locating connection further comprises:

6. The sound attenuation and shock absorption rim according to claim 4, wherein the upper end of the fixing block is provided with a containing hole communicated with the scarf joint groove, and the nut is fixedly arranged in the containing hole.

7. The sound-deadening and shock-absorbing rim of claim 1, wherein the sound-deadening and shock-absorbing member further comprises:

8. A wheel hub assembly comprising the noise-damping wheel rim of any one of claims 1-7, and a spoke body disposed inside the wheel rim body.

9. The hub assembly of claim 8, wherein the spoke body comprises:

10. A heavy truck comprising the hub assembly of claim 9.