CN210637423U

CN210637423U - Novel automobile shock absorber ware bush

Info

Publication number: CN210637423U
Application number: CN201921707552.0U
Authority: CN
Inventors: 向以发; 胡微; 吴祥红
Original assignee: Anhui Dfseal Rubber Shock Absorber Technology Co ltd
Current assignee: Anhui Dfseal Rubber Shock Absorber Technology Co ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-05-29
Anticipated expiration: 2029-10-12

Abstract

The utility model discloses a novel automobile shock absorber bush in automobile shock absorber bush field, including rubber layer and skeleton inner tube, connecting thread has been seted up to skeleton inner tube inner chamber, the ring channel has been seted up to skeleton inner tube top edge and bottom edge symmetry, first stop thread has been seted up on the lateral wall that the ring channel inboard is close to skeleton inner tube edge, second stop thread has been seted up to another lateral wall of ring channel inboard, set up fluted and arch on the skeleton inner tube lateral wall, ring channel internal connection has the spacing ring, the spacing ring inner wall set up with first stop thread fit's first cooperation screw thread, the spacing ring outer wall set up with second stop thread fit's second cooperation screw thread, spacing ring end fixing is connected with the spacing dish, spacing dish center set up with connecting thread fit's supplementary screw thread, be provided with cooperation recess and bellied cooperation arch and cooperation recess on the rubber layer inside wall.

Description

Novel automobile shock absorber ware bush

Technical Field

The utility model relates to an automobile shock absorber ware bush field specifically is a novel automobile shock absorber ware bush.

Background

In order to quickly attenuate the vibration of a frame and a vehicle body and improve the smoothness and the comfort of the running of an automobile, a shock absorber is generally arranged on an automobile suspension system, the shock absorber is a vulnerable accessory in the using process of the automobile, and the working condition of the shock absorber directly influences the running stability of the automobile and the service life of other parts, so that the shock absorber is always in a good working state. The automobile shock absorber comprises a shock absorber lining, a shock absorber body and a connecting piece, wherein the shock absorber lining is used in cooperation with a shock absorber and is a connecting piece between the two ends of the shock absorber body and an automobile body, good wear resistance, shock absorption and pressure resistance are required, and the traditional automobile shock absorber lining is composed of a metal inner sleeve and a rubber lining. The end face of the metal inner sleeve is flat and smooth, the shock absorber threaded rod penetrates through an inner hole of the metal inner sleeve and is connected with a frame through a nut, a skeleton structure is always arranged on a shock absorber bushing in the prior art for improving the wear resistance and prolonging the service life, but the connection reliability of a rubber body and a skeleton in the shock absorber bushing is poor, and the shock absorber bushing is easy to crack and separate after long-term use, so that the wear resistance and the service life of the shock absorber bushing are influenced.

At present, chinese patent application No. CN201821012794.3 discloses a stable automobile shock absorber bushing, which comprises a bushing shell and a rubber layer, wherein the rubber layer is installed at an inner position of the bushing shell, a plurality of bushing shell inner thread grooves are arranged inside the bushing shell, and a plurality of bushing core outer wall thread grooves are arranged outside the bushing core, so that when the bushing shell and the bushing core are assembled through the rubber layer, the friction between the rubber layer and the bushing shell and the bushing core can be greatly increased by the bushing shell inner thread grooves and the bushing core outer wall thread grooves, so that the bushing is more firmly assembled, and the bushing shell is formed by shrink-processing, thereby the density of the bushing shell can be greatly increased, the performance of the bushing is improved, and the surface of the bushing shell is subjected to electrophoresis treatment for 22 hours, so that the surface of the bushing shell is more smooth, the performance of bush has been improved, but, adopt the device to connect automobile shock absorber ware and automobile body, the device strengthens the joint strength of rubber layer and casing ply through set up the thread groove at the bush inner wall, has strengthened the preparation degree of difficulty of device, adopts a plurality of bushes to improve the cost simultaneously, can't restrict the horizontal size on rubber layer is flexible. Based on this, the utility model designs a novel automobile shock absorber ware bush.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel automobile shock absorber ware bush to the device that proposes in solving above-mentioned background strengthens the joint strength of rubber layer and casing ply through setting up the thread groove at the bush inner wall, has strengthened the preparation degree of difficulty of device, adopts a plurality of bushes to improve the cost simultaneously, can't carry out the problem of restriction to the horizontal size on rubber layer is flexible.

In order to achieve the above object, the utility model provides a following technical scheme:

a novel automobile shock absorber bushing comprises a rubber layer and a framework inner tube, wherein a connecting thread is arranged in an inner cavity of the framework inner tube, the top end edge and the bottom end edge of the framework inner tube are symmetrically provided with annular grooves, the side wall of the inner side of each annular groove close to the edge of the framework inner tube is provided with a first limiting thread, the other side wall of the inner side of the annular groove is provided with a second limiting thread, the side wall of the inner pipe of the framework is provided with a groove and a bulge, a limiting ring is connected in the annular groove, a first matching thread matched with the first limiting thread is arranged on the inner wall of the limiting ring, the outer wall of the limit ring is provided with a second matching thread matched with the second limit thread, the end part of the limit ring is fixedly connected with a limit disc, the limiting disc is characterized in that the center of the limiting disc is provided with an auxiliary thread matched with the connecting thread, and the inner side wall of the rubber layer is provided with a matching groove, a convex matching bulge and a matching groove.

Preferably, the height of the rubber layer is the same as that of the framework inner tube, the framework inner tube is manufactured by a round tube flattening process, and the rubber layer and the framework inner tube are combined together in a vulcanization mode.

Preferably, the grooves and the protruding circumferences are evenly arranged at the center of the side wall of the inner tube of the framework at equal intervals, and the grooves are arranged at the center between the upper and lower groups of the protrusions.

Preferably, the height of the limiting ring is equal to the depth of the annular groove, the vertical section of the limiting disc is in an isosceles trapezoid shape, the limiting ring is fixed at the center of the large circular end of the limiting disc, and the minimum diameter of the limiting disc is larger than the diameter of the rubber layer.

Preferably, the matching protrusions and the matching grooves are evenly arranged on the inner side wall of the rubber layer at equal intervals, and the matching protrusions are arranged between the upper matching groove and the lower matching groove.

Compared with the prior art, the beneficial effects of the utility model are that: the annular groove, the first limit thread, the second limit thread, the limit ring, the first matching thread, the second matching thread and the limit disc are arranged, and the limit disc is connected with the framework inner tube by utilizing the matching of the first limit thread and the first matching thread and the matching of the second limit thread and the second matching thread, so that the upper end and the lower end of the rubber layer are limited and fixed, and the rubber layer is prevented from being displaced and falling off; the strength of vulcanization bonding of the rubber layer and the framework inner tube is enhanced by arranging the protrusion, the groove, the matching protrusion and the matching groove; through setting up threaded connection's spacing dish, be convenient for installation and dismantlement, repeatedly usable simultaneously, the skeleton inner tube is improved by traditional machining and is flattened stamping process for the pipe, compares in the material cost of machining high, and the cost of labor is high, and is inefficient, and the pipe flattens stamping process and has improved work efficiency, has practiced thrift the cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings described below are only examples of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic view of the framework inner tube structure of the present invention;

FIG. 4 is a schematic view of the structure of the limiting plate of the present invention;

fig. 5 is a schematic diagram of the cross-sectional structure of the rubber layer of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-a rubber layer, 2-a framework inner tube, 3-a connecting thread, 4-an annular groove, 5-a first limiting thread, 6-a second limiting thread, 7-a groove, 8-a protrusion, 9-a limiting ring, 10-a first matching thread, 11-a second matching thread, 12-a limiting disc, 13-an auxiliary thread, 14-a matching protrusion and 15-a matching groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the examples of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

the utility model provides a novel automobile shock absorber ware bush, including rubber layer 1 and skeleton inner tube 2, connecting thread 3 has been seted up to 2 inner chambers of skeleton inner tube, 2 top edges of skeleton inner tube and bottom edge symmetry have seted up ring channel 4, ring channel 4 has seted up first stop thread 5 on the inboard lateral wall that is close to skeleton inner tube 1 edge, second stop thread 6 has been seted up to 4 inboard another lateral walls of ring channel, seted up recess 7 and arch 8 on the 2 lateral walls of skeleton inner tube, ring channel 4 internal connection has spacing ring 9, spacing ring 9 inner wall set up with first stop thread 5 complex first cooperation screw thread 10, spacing ring 9 outer wall set up with second stop thread 6 complex second cooperation screw thread 11, spacing ring 9 end fixedly connected has spacing dish 12, spacing dish 12 center set up with connecting thread 3 complex auxiliary thread 13, be provided with cooperation arch 14 and cooperation recess 15 of cooperation recess 7 and arch 8 on the rubber layer 1 inside wall.

The height of the rubber layer 1 is the same as that of the framework inner tube 2, the framework inner tube 2 is manufactured by a round tube flattening process, and the rubber layer 1 and the framework inner tube 2 are combined together in a vulcanization mode; the grooves 7 and the bulges 8 are uniformly arranged at the center of the side wall of the inner tube 2 of the framework at equal intervals, and the grooves 7 are arranged at the center between the upper and the lower groups of bulges 8; the height of the limiting ring 9 is equal to the depth of the annular groove 4, the vertical section of the limiting disc 12 is in an isosceles trapezoid shape, the limiting ring 9 is fixed at the center of the large circular end part of the limiting disc 12, the minimum diameter of the limiting disc 12 is larger than the diameter of the rubber layer 1, the limiting disc 12 limits and fixes the two ends of the rubber layer 1, and the rubber layer 1 is prevented from falling off from the side wall of the framework inner tube 2; the matching protrusions 14 and the matching grooves 15 are evenly arranged on the inner side wall of the rubber layer 1 at equal intervals, and the matching protrusions 14 are arranged between the upper and lower groups of matching grooves 15.

One specific application of this embodiment is: utilize the cooperation of first stop thread 5 and first cooperation screw thread 10, the cooperation of second stop thread 6 and second cooperation screw thread 11, with spacing ring 9 threaded connection in spacing groove 4, and then install spacing dish 12 at 2 tops of skeleton inner tube and bottom, 1 vulcanization in rubber layer combines 2 lateral walls in the skeleton inner tube, recess 7 and cooperation arch 14 and protruding 8 and cooperation recess 15 four combined action, the intensity that 1 and 2 vulcanization in rubber layer of skeleton inner tube combine has been strengthened, spacing dish 12 carries out spacing fixed to 1 both ends in rubber layer simultaneously, avoid it to drop on skeleton inner tube 2, spacing dish 12 threaded connection is at 2 tip in skeleton inner tube simultaneously, and convenient to detach can repeatedly use.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a novel automobile shock absorber ware bush, includes rubber layer (1) and skeleton inner tube (2), its characterized in that: the inner cavity of the framework inner tube (2) is provided with connecting threads (3), the top end edge and the bottom end edge of the framework inner tube (2) are symmetrically provided with annular grooves (4), the side wall of the inner side of each annular groove (4), which is close to the edge of the framework inner tube (2), is provided with first limiting threads (5), the other side wall of the inner side of each annular groove (4) is provided with second limiting threads (6), the side wall of the framework inner tube (2) is provided with grooves (7) and protrusions (8), the annular groove (4) is internally connected with a limiting ring (9), the inner wall of the limiting ring (9) is provided with first matching threads (10) matched with the first limiting threads (5), the outer wall of the limiting ring (9) is provided with second matching threads (11) matched with the second limiting threads (6), and the end part of the limiting ring (9) is fixedly connected, the limiting disc (12) is provided with an auxiliary thread (13) at the center, the auxiliary thread is matched with the connecting thread (3), and a matching protrusion (14) and a matching groove (15) of a matching groove (7) and a protrusion (8) are arranged on the inner side wall of the rubber layer (1).

2. The novel automobile shock absorber bushing according to claim 1, wherein: the height of the rubber layer (1) is the same as that of the framework inner tube (2), the framework inner tube (2) is manufactured by a round tube flattening process, and the rubber layer (1) and the framework inner tube (2) are combined together in a vulcanization mode.

3. The novel automobile shock absorber bushing according to claim 1, wherein: the groove (7) and the protrusions (8) are evenly arranged at the center of the side wall of the framework inner tube (2) at equal intervals, and the groove (7) is arranged at the center between the upper and lower two groups of protrusions (8).

4. The novel automobile shock absorber bushing according to claim 1, wherein: the height of the limiting ring (9) is equal to the depth of the annular groove (4), the vertical section of the limiting disc (12) is in an isosceles trapezoid shape, the limiting ring (9) is fixed at the center of the large circular end of the limiting disc (12), and the minimum diameter of the limiting disc (12) is larger than that of the rubber layer (1).

5. The novel automobile shock absorber bushing according to claim 1, wherein: the matching protrusions (14) and the matching grooves (15) are evenly arranged on the inner side wall of the rubber layer (1) at equal intervals, and the matching protrusions (14) are arranged between the upper and lower groups of matching grooves (15).