CN215110383U

CN215110383U - Improved rubber shock absorber

Info

Publication number: CN215110383U
Application number: CN202120737153.XU
Authority: CN
Inventors: 郑清国
Original assignee: Ningbo Deliding Technology Co ltd
Current assignee: Ningbo Deliding Technology Co ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-12-10
Anticipated expiration: 2031-04-12

Abstract

The application discloses an improved rubber shock absorber which comprises a hub, a rubber ring and a belt pulley, wherein the rubber ring is arranged between the hub and the belt pulley, the belt pulley is tightly provided with an embedded wheel through an embedded groove, the inner walls of the belt pulley and the embedded wheel are both provided with radial half grooves, complete radial grooves are formed between the radial half grooves, the inner walls of the belt pulley and the embedded wheel are also provided with axial half grooves, and complete axial grooves are formed between the axial half grooves; the outer wall of the hub is provided with a radial convex rib and an axial convex rib in the circumferential direction, the radial convex rib is suitable for jacking the rubber ring to be matched with the radial groove, and the axial convex rib is suitable for jacking the rubber ring to be matched with the axial groove. The beneficial effect of this application: through radial protruding muscle and the protruding muscle of axial on the wheel hub outer wall, respectively with rubber circle jack-up and radial recess and axial groove cooperation for when the engine generates heat, can have fine driving force and location ability between belt pulley and the wheel hub, thereby prevent that the belt pulley from taking place to skid or breaking away from.

Description

Improved rubber shock absorber

Technical Field

The application relates to the technical field of automobile engines, in particular to an improved rubber shock absorber.

Background

When the engine works, the force acting on the crankshaft periodically changes in magnitude and direction, the crankshaft swings due to the rotational inertia of the flywheel, so torsional vibration is generated, the vibration can affect the comfort of automobile driving, and a vibration damping device, namely a crankshaft vibration damper, is additionally arranged at the front end of the crankshaft of the conventional automobile engine.

Rubber shock absorber belongs to the common one in the bent axle bumper shock absorber, and current rubber shock absorber mainly comprises belt pulley, rubber circle and wheel hub, and the rubber circle is installed and is used for absorbing vibration between wheel hub and belt pulley, but in the use of reality, because engine during operation temperature is higher, the rubber circle receives the shearing force phenomenon of skidding appears easily, can appear the belt pulley and drop even when serious, and then leads to serious incident to take place. Therefore, a shock absorber having reliability is urgently needed.

Disclosure of Invention

The application aims to provide an improved rubber shock absorber, which can effectively improve the reliability of the shock absorber.

In order to achieve the above purposes, the technical scheme adopted by the application is as follows: an improved rubber shock absorber comprises a hub, a rubber ring and a belt pulley, wherein the rubber ring is arranged between the hub and the belt pulley, an embedding groove is formed in one end of the belt pulley, an embedding wheel is tightly arranged in the embedding groove, radial half grooves are formed in the inner walls of the belt pulley and the embedding wheel in the circumferential direction, complete radial grooves are formed between the radial half grooves, a plurality of uniformly distributed axial half grooves are formed in the inner walls of the belt pulley and the embedding wheel in the axial direction, and complete axial grooves are formed between the axial half grooves; the outer wall of the wheel hub is provided with radial convex ribs in the circumferential direction, and a plurality of axial convex ribs which are uniformly distributed are arranged in the axial direction, the radial convex ribs are used for jacking the rubber ring and are matched with the radial grooves, and the axial convex ribs are used for jacking the rubber ring and are matched with the axial grooves, so that the rubber ring is prevented from being heated, and the belt pulley is skidded or separated from the wheel hub.

Preferably, the maximum distance from the axial rib to the center of the hub is greater than the inner diameters of the pulley and the embedded wheel.

Preferably, the maximum distance from the radial rib to the center of the hub is also greater than the inner diameter of the pulley and the embedded wheel.

Preferably, the tip of inlaying the groove is provided with a plurality of evenly distributed's screw groove, inlay and be provided with a plurality of evenly distributed's screw hole on the wheel, pass through the screw hole with the cooperation in screw groove makes it is in to inlay wheel fixed mounting inlay the inslot.

Preferably, lower positioning grooves are respectively formed in two ends of the outer wall of the hub, upper positioning grooves are respectively formed in the end portions of the belt pulley and the embedded wheel, the lower positioning grooves and the upper positioning grooves form complete positioning grooves, positioning edges with trapezoidal cross sections are arranged at two ends of the rubber ring, and the positioning edges are respectively matched with the positioning grooves, so that the separation prevention capacity of the shock absorber is further improved.

Preferably, the center of the hub is provided with a shaft hole, the circumferential direction of the shaft hole is provided with a plurality of bolt holes, the hub is connected with the end part of the crankshaft through the shaft hole, and meanwhile, the hub and the crankshaft are fixed through the matching of bolts and the bolt holes.

Preferably, the hub is further provided with a plurality of lightening holes along the center in the circumferential direction, so that the hub is lightened.

Compared with the prior art, the beneficial effect of this application lies in:

(1) through set up radial half recess and axial half recess respectively on the belt pulley with inlay the inside of wheel to constitute radial recess and axial recess respectively, set up radial protruding muscle and axial protruding muscle simultaneously on wheel hub's outer wall, respectively through radial protruding muscle and axial protruding muscle with rubber circle jack-up and radial recess and axial recess cooperation, when making the engine generate heat, can have fine driving force and location ability between belt pulley and the wheel hub, thereby prevent that the belt pulley from taking place to skid or breaking away from.

(2) When carrying out the rubber circle installation, can install the rubber circle between wheel hub and belt pulley earlier, then will inlay wheel fixed mounting and inlay the inslot again to make things convenient for the installation of radial protruding muscle and the protruding muscle of axial on the wheel hub.

Drawings

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

FIG. 2 is a schematic view of the present invention in an exploded state;

FIG. 3 is a schematic view of the structure of the wheel hub of the present invention;

FIG. 4 is a schematic view of the rubber ring structure of the present invention;

FIG. 5 is a schematic view of the structure of the pulley of the present invention;

FIG. 6 is a schematic view of the structure of the wheel insert of the present invention;

fig. 7 is a front sectional view of the present invention;

fig. 8 is a side view in cross section of the present invention;

fig. 9 is an enlarged schematic view of a portion a of fig. 8 according to the present invention;

in the figure: the wheel comprises a hub 1, radial convex ribs 101, axial convex ribs 102, lower positioning grooves 103, bolt holes 104, shaft holes 105, lightening holes 106, a rubber ring 2, a positioning edge 201, a belt pulley 3, an embedding groove 301, a screw groove 302, an embedding wheel 4, screw holes 401, screws 5, an upper positioning groove 601, a radial half-groove 602 and an axial half-groove 603.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be construed as limiting the specific scope of protection of the present application.

It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

Examples as shown in fig. 1 to 9, an improved rubber damper includes a hub 1, a rubber ring 2 and a pulley 3, all of which are present in the conventional rubber damper, and the rubber ring 2 is installed between the hub 1 and the pulley 3. However, an insert groove 301 is formed at one end of the pulley 3 so that the inner wall of the pulley 3 is cut off, and then an insert wheel 4 is tightly fitted into the insert groove 301, so that the cut-off pulley 3 is just filled by the fit of the insert wheel 4 with the insert groove 301.

Then, radial half grooves 602 are formed in the inner walls of the belt pulley 3 and the embedded wheel 4 along the circumferential direction, and the two radial half grooves 602 are adjacent to each other and can form a complete radial groove; meanwhile, a plurality of axial half grooves 603 which are uniformly distributed are formed in the axial direction of the inner walls of the belt pulley 3 and the embedded wheel 4, the specific number of the axial half grooves 603 can be adjusted according to the actual situation, as shown in fig. 6 and 7, the number of the axial half grooves 603 is four, and complete axial grooves can be formed between the belt pulley 3 and the axial half grooves 603 on the embedded wheel 4. Meanwhile, the outer wall of the hub 1 is provided with radial ribs 101 in the circumferential direction, a plurality of axial ribs 102 which are uniformly distributed are arranged in the axial direction, and the number of the axial ribs 102 is equal to that of the axial half grooves 604. After the improved generation rubber shock absorber of this application has installed, radial protruding muscle 101 on wheel hub 1 can with 2 jack-ups of rubber circle to closely cooperate with radial groove fit, the protruding muscle 102 of axial can with 2 jack-ups of rubber circle to closely cooperate with axial groove simultaneously to when the improved generation rubber shock absorber used, can prevent that being heated of rubber circle 2 from leading to belt pulley 3 and wheel hub 1 to take place to skid or break away from.

In order to enable the optimum anti-slip and anti-separation between the hub 1 and the pulley 3, as shown in fig. 7 and 9, the maximum distance from the axial rib 102 to the center of the hub 1 is designed to be larger than the inner diameter of the pulley 3 and the insert wheel 4 when the axial rib 102 is designed. The maximum distance from the radial rib 101 to the center of the hub 1 is designed to be larger than the inner diameter of the pulley 3 and the embedded wheel 4.

Specifically, in order to facilitate the installation of the wheel 4, as shown in fig. 5 and 6, a plurality of screw grooves 302 are uniformly distributed at the end of the wheel 301, and a plurality of screw holes 401 are uniformly distributed on the wheel 4, the number of the screw holes 401 corresponds to the number of the screw grooves 302, and can be adjusted according to actual needs, and as shown in fig. 6 and 7, the number of the screw holes 401 is eight. When the embedded wheel 4 is installed, the screw 5 firstly passes through the screw hole 401 and then is fixed with the screw groove 302, so that the embedded wheel 4 is tightly and fixedly installed in the embedded groove 301.

In order to further improve the anti-separation capability of the pulley 3 and the hub 1, as shown in fig. 3, 4, 5, 6 and 9, lower positioning grooves 103 are respectively arranged at two ends of the outer wall of the hub 1, and upper positioning grooves 601 are respectively arranged at the end parts of the pulley 3 and the embedded wheel 4 which are fixed with each other, and the lower positioning grooves 103 and the upper positioning grooves 601 form complete positioning grooves at the end parts. Both ends of rubber circle 2 all are provided with the cross-section and are trapezoidal location reason 201, and location reason 201 cooperates with the constant head tank at both ends respectively, and when belt pulley 3 was about to take place to break away from, the location reason 201 at both ends can play and hinder 3 axial displacement of belt pulley effect to further improve the ability of breaking away from of bumper shock absorber.

As shown in fig. 3, the improved shock absorber of the present application is connected to a crankshaft (not shown) via a hub 1 when in use. Specifically, a plurality of bolt holes 104 are provided in the circumferential direction along the axis of the shaft hole 105 while providing a shaft hole 105 in the center of the hub 1, and the number of the bolt holes 104 can be adjusted in practice, and as shown in fig. 3, the number of the bolt holes 104 is six. When the damper is mounted, the hub 1 is first connected to the end of the crankshaft through the shaft hole 105, and then the hub 1 is fixed to the crankshaft by the engagement of the bolt with the bolt hole 104. Meanwhile, the hub 1 is also provided with a plurality of lightening holes 106 in the circumferential direction of the center, thereby realizing the light weight of the hub 1.

The assembly process of the application:

install rubber ring 2 inseparable earlier on wheel hub 1's outer wall, because the soft material of rubber ring 2, rubber 2 is extruded into the appearance as shown in fig. 4 this moment, then set up wheel hub 1 from belt pulley 3 and inlay the one end of groove 301, along the position installation of the cooperation of axial protruding muscle 102 and axial half recess 603 in belt pulley 3, half of outer wall and the inner wall of belt pulley 3 and radial half recess 602 cooperation of rubber ring 2 this moment, later will inlay wheel 4 and insert along the inner wall of inlaying groove 301 and inlay in groove 301, and fix through screw 5, make the outer wall of inlaying wheel 4 closely cooperate with inlaying groove 301 inner wall, inlay the inner wall of wheel 4 simultaneously and carry out closely cooperating with the second half of rubber ring 2.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims

1. The utility model provides an improved generation rubber shock absorber ware, includes wheel hub, rubber circle and belt pulley, the rubber circle is installed wheel hub with between the belt pulley, its characterized in that: an embedding groove is formed in one end of the belt pulley, an embedding wheel is tightly installed in the embedding groove, radial half grooves are formed in the inner walls of the belt pulley and the embedding wheel in the circumferential direction, complete radial grooves are formed between the radial half grooves, axial half grooves are formed in the inner walls of the belt pulley and the embedding wheel in the axial direction, and complete axial grooves are formed between the axial half grooves; the outer wall of the hub is provided with radial convex ribs in the circumferential direction, and axial convex ribs are arranged in the axial direction, the radial convex ribs are suitable for jacking the rubber ring and matching with the radial grooves, and the axial convex ribs are suitable for jacking the rubber ring and matching with the axial grooves.

2. The improved rubber damper of claim 1, wherein: the maximum distance from the axial convex rib to the center of the hub is larger than the inner diameters of the belt pulley and the embedded wheel.

3. The improved rubber damper of claim 1, wherein: the maximum distance from the radial convex rib to the center of the hub is larger than the inner diameters of the belt pulley and the embedded wheel.

4. The improved rubber damper of claim 1, wherein: the wheel hub is characterized in that lower positioning grooves are respectively formed in two ends of the outer wall of the wheel hub, upper positioning grooves are respectively formed in the end portions of the belt pulley and the embedded wheel, the lower positioning grooves and the upper positioning grooves form complete positioning grooves, positioning edges with trapezoidal sections are arranged at two ends of the rubber ring, and the positioning edges are respectively matched with the positioning grooves.

5. The improved rubber damper of claim 1, wherein: inlay the tip in groove and be provided with a plurality of evenly distributed's screw groove, inlay the screw hole that is provided with a plurality of evenly distributed on the wheel, pass through the screw hole with the cooperation in screw groove makes it is in to inlay wheel fixed mounting inlay the inslot.

6. The improved rubber damper as set forth in any one of claims 1-5, wherein: the hub is characterized in that a shaft hole is formed in the center of the hub, a plurality of bolt holes are formed in the circumferential direction of the shaft hole, the hub is connected with the end portion of the crankshaft through the shaft hole, and meanwhile the hub and the crankshaft are fixed through the matching of bolts and the bolt holes.

7. The improved rubber damper of claim 6, wherein: the hub is provided with a plurality of lightening holes along the center in the circumferential direction.