CN217563445U

CN217563445U - Long-life bush with compression-resistant damping effect

Info

Publication number: CN217563445U
Application number: CN202220847407.8U
Authority: CN
Inventors: 陈远炳
Original assignee: Taicang Jiuyi Precision Machinery Co ltd
Current assignee: Taicang Jiuyi Precision Machinery Co ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-10-11
Anticipated expiration: 2032-04-13

Abstract

The utility model discloses a high life bush with resistance to compression cushioning effect, include: the bidirectional vibration damper is arranged on the inner side of the outer liner and matched with the inner liner; the inner surface of the outer bushing is provided with a pressure reducer, the pressure reducer is embedded into the inner bushing, and the pressure reducer is matched with the inner bushing; a fixing ring is arranged on the outer side of the outer bushing; divide into two parts and make it can relative motion with the bush, keep apart the transmission of the inside and outside vibrations of motor, improve motor stability and the life-span of bush, simultaneously, when receiving huge impact force, can stabilize the bush and absorb the energy, reduce bush deformation, avoid haring the motor shaft, reduce cost of maintenance.

Description

Long-life bush with compression-resistant damping effect

Technical Field

The utility model belongs to the motor element field, in particular to high life bush with resistance to compression cushioning effect.

Background

As a part for sealing and wear protection, the motor bushing is widely applied to moving equipment such as motors and sealing equipment such as valves due to the characteristics of flexibility and convenience. In the working process of the motor, as the motor shaft rotates at a high speed, the damping performance and the durability of the bushing directly determine the stability and the safety of the motor, so that how to improve the damping performance and the durability of the bushing becomes a difficult problem which needs to be solved by research personnel at present.

The existing bushing still has many shortcomings, for example, most of the existing bushings have vibration and abrasion problems, and the bushing is easy to abrade and crack due to the inevitable vibration generated in the motion of the motor shaft, so that the quality and the service life of the bushing are affected. Therefore, the present application has made innovations and improvements to the bushing in view of the above problems.

The existing bushing mainly has the following problems:

1. most of the existing bushings have the problem of vibration and abrasion, and the bushings are easy to abrade and crack due to the inevitable vibration generated in the movement of a motor shaft, so that the quality and the service life of the bushings are influenced.

2. Most of the existing bushings do not have good pressure bearing capacity, and when the bushings are subjected to huge pressure, the bushings are easy to deform integrally and press and damage a motor shaft, so that the maintenance cost is high, and the bushings are easy to scrap.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome not enough above, the utility model aims at providing a high life bush with resistance to compression cushioning effect divide into two parts with the bush and make it can relative motion, keeps apart the transmission of the inside and outside vibrations of motor, improves the life-span of motor stability and bush, simultaneously, when receiving huge impact force, can stabilize bush and absorbed energy, reduces the bush deformation, avoids damaging the motor shaft, reduces cost of maintenance.

The technical scheme is as follows: in order to achieve the above object, the utility model provides a high life bush with resistance to compression cushioning effect, include: the bidirectional vibration damper is arranged on the inner side of the outer liner and matched with the inner liner; the inner surface of the outer bushing is provided with a pressure reducer, the pressure reducer is embedded into the inner bushing, and the pressure reducer is matched with the inner bushing; and a fixing ring is arranged on the outer side of the outer bushing.

The bidirectional vibration damper comprises an axial slide rail, an axial slide block, an axial spring, a radial slide rail, a radial slide block and a radial spring, wherein the axial slide rail is arranged on the outer surface of the inner bushing, the axial slide rails are arranged in plurality and are arranged in parallel, the axial slide rail is provided with the axial slide block, the axial slide block is in sliding contact with the axial slide rail, the axial spring is arranged at two ends of the axial slide block, one end of the axial spring presses the axial slide block, and the other end of the axial spring presses the axial slide rail; the axial sliding block is provided with a radial sliding block, the damage radial sliding block is provided with a radial sliding rail, the radial sliding rail is annular, the radial sliding rail is arranged on the inner surface of the outer bushing, the radial sliding block is in sliding contact with the radial sliding rail, radial springs are arranged at two ends of the radial sliding block, one end of each radial spring presses the radial sliding block, and the other end of each radial spring presses the radial sliding rail.

The utility model discloses in the setting of two-way bradyseism ware divide into two parts with the bush and makes it can relative motion, keeps apart the transmission of the inside and outside vibrations of motor, improves the life-span of motor stability and bush.

The pressure reducer in the utility model comprises a limiting block, an energy absorption block and an adjusting groove, wherein the limiting block is arranged on the outer bushing, the adjusting groove is arranged on the inner bushing, the adjusting groove is matched with the limiting block, and the size of the adjusting groove is larger than the size of the limiting block; the energy absorption block is arranged on the outer side of the limiting block and surrounds the limiting block.

The utility model discloses in when receiving huge impact force, the bush can be stabilized through the stopper to the setting of pressure reducer to through energy-absorbing piece absorbed energy, reduce bush deformation, avoid damaging the motor shaft, reduce cost of maintenance.

The utility model discloses in the energy-absorbing piece be provided with a plurality ofly, the inside cavity of energy-absorbing piece, be provided with the recess that makes things convenient for deformation on the energy-absorbing piece internal surface.

The utility model discloses in the energy-absorbing piece energy absorption of being convenient for is in the setting of recess.

The utility model discloses in the stopper be the flying saucer shape.

The utility model discloses in the setting of stopper improves the intensity that improves the stopper first neck bush part.

The utility model discloses in the inside firing pin that is provided with of energy-absorbing block, the firing pin sets up in the inside outside of energy-absorbing block, firing pin and stopper middle section cooperation, stopper middle section width is less than stopper top width, firing pin intensity is greater than stopper intensity.

The utility model discloses in the setting of firing pin reduces stopper intensity through pressurized striking stopper, makes things convenient for the stopper fracture to make the separation of inside and outside bush, reduce energy transmission, reduce the probability that the motor shaft harmd.

The utility model discloses in neck bush and outer bush between pour into lubricating oil.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has:

1. the utility model discloses in a high life bush with resistance to compression cushioning effect, divide into two parts and make it can relative motion with the bush, keep apart the transmission of the inside and outside vibrations of motor, improve the life-span of motor stability and bush.

2. The utility model discloses in a high life bush with resistance to compression cushioning effect, when receiving huge impact force, can stabilize the bush through the stopper to through energy-absorbing piece absorbed energy, reduce bush deformation, avoid damaging the motor shaft, reduce cost of maintenance.

3. The utility model discloses in a high life bush with resistance to compression cushioning effect, reduce stopper intensity through pressurized striking stopper, make things convenient for the stopper fracture to make inside and outside bush separation, reduce energy transmission, reduce the probability that the motor shaft harmd.

Drawings

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

FIG. 2 is a schematic structural view of a bidirectional vibration damper of the present invention;

FIG. 3 is a schematic view of a radial cross-section structure of a bidirectional vibration damper according to the present invention;

FIG. 4 is a schematic structural view of the pressure reducer of the present invention;

in the figure: an inner bushing-1, an outer bushing-2, a bidirectional vibration absorber-3, an axial slide rail-31, an axial slide block-32, an axial spring-33, a radial slide rail-34, a radial slide block-35, a radial spring-36, a fixed ring-4, a pressure reducer-5, a limit block-51, an energy absorption block-52, an adjusting groove-53 and a firing pin-54.

Detailed Description

The invention will be further elucidated with reference to the drawings and the specific embodiments.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

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

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1

A long-life bushing with compression-resistant damping as shown in fig. 1-4, comprising: the shock absorber comprises an inner bushing 1, an outer bushing 2, a bidirectional shock absorber 3, a fixing ring 4 and a pressure reducer 5, wherein the outer bushing 2 is sleeved on the outer side of the inner bushing 1, the outer bushing 2 is in sliding contact with the inner bushing 1, the bidirectional shock absorber 3 is arranged on the inner side of the outer bushing 2, and the bidirectional shock absorber 3 is matched with the inner bushing 1; the inner surface of the outer bushing 2 is provided with a pressure reducer 5, the pressure reducer 5 is embedded into the inner bushing 1, and the pressure reducer 5 is matched with the inner bushing 1; the outer side of the outer bushing 2 is provided with a fixing ring 4.

The bidirectional vibration damper 3 in this embodiment includes an axial slide rail 31, an axial slider 32, an axial spring 33, a radial slide rail 34, a radial slider 35, and a radial spring 36, the axial slide rail 31 is disposed on the outer surface of the inner bushing 1, the axial slide rails 31 are provided in plural, the axial slide rails 31 are arranged in parallel, the axial slider 32 is disposed on the axial slide rail 31, the axial slider 32 is in sliding contact with the axial slide rail 31, the axial springs 33 are disposed at two ends of the axial slider 32, one end of each axial spring 33 presses the axial slider 32, and the other end of each axial spring 33 presses the axial slide rail 31; be provided with radial slider 35 on the axial slider 32, be provided with radial slide rail 34 on the radial slider 35 of damage, radial slide rail 34 is the annular, radial slide rail 34 sets up in 2 internal surfaces of outer bush, radial slider 35 and radial slide rail 34 sliding contact, radial slider 35 both ends are provided with radial spring 36, radial spring 36 one end oppresses radial slider 35, radial spring 36 other end oppresses radial slide rail 34.

The pressure reducer 5 in this embodiment includes a stopper 51, an energy absorbing block 52 and an adjusting groove 53, the outer liner 2 is provided with the stopper 51, the inner liner 1 is provided with the adjusting groove 53, the adjusting groove 53 is matched with the stopper 51, and the size of the adjusting groove 53 is larger than that of the stopper 51; an energy absorption block 52 is arranged outside the limiting block 51, and the energy absorption block 52 surrounds the limiting block 51.

The energy absorption blocks 52 in this embodiment are provided in plurality, the energy absorption blocks 52 are hollow, and grooves for facilitating deformation are provided on the inner surfaces of the energy absorption blocks 52.

The limiting block 51 in this embodiment is in the shape of a flying saucer.

In this embodiment, a striker 54 is disposed inside the energy-absorbing block 52, the striker 54 is disposed outside the energy-absorbing block 52, the striker 54 is matched with a middle section of the limiting block 51, a width of the middle section of the limiting block 51 is smaller than a width of a top of the limiting block 51, and a strength of the striker 54 is greater than a strength of the limiting block 51.

Lubricating oil is poured between the inner liner 1 and the outer liner 2 described in this embodiment.

Example 2

A long-life bushing with compression-resistant damping as shown in fig. 1-3, comprising: the shock absorber comprises an inner bushing 1, an outer bushing 2, a bidirectional shock absorber 3, a fixing ring 4 and a pressure reducer 5, wherein the outer bushing 2 is sleeved on the outer side of the inner bushing 1, the outer bushing 2 is in sliding contact with the inner bushing 1, the bidirectional shock absorber 3 is arranged on the inner side of the outer bushing 2, and the bidirectional shock absorber 3 is matched with the inner bushing 1; the inner surface of the outer bushing 2 is provided with a pressure reducer 5, the pressure reducer 5 is embedded into the inner bushing 1, and the pressure reducer 5 is matched with the inner bushing 1; the outer side of the outer bushing 2 is provided with a fixing ring 4.

The bidirectional vibration damper 3 in this embodiment includes an axial slide rail 31, an axial slider 32, an axial spring 33, a radial slide rail 34, a radial slider 35, and a radial spring 36, the axial slide rail 31 is disposed on the outer surface of the inner bushing 1, the axial slide rails 31 are provided in plural, the axial slide rails 31 are arranged in parallel, the axial slider 32 is disposed on the axial slide rail 31, the axial slider 32 is in sliding contact with the axial slide rail 31, the axial springs 33 are disposed at two ends of the axial slider 32, one end of each axial spring 33 presses the axial slider 32, and the other end of each axial spring 33 presses the axial slide rail 31; the axial slider 32 is provided with radial slider 35, damages and is provided with radial slide rail 34 on the radial slider 35, radial slide rail 34 is the annular, radial slide rail 34 sets up in 2 internal surfaces of outer bush, radial slider 35 and radial slide rail 34 sliding contact, radial slider 35 both ends are provided with radial spring 36, radial spring 36 one end oppresses radial slider 35, radial spring 36 other end oppresses radial slide rail 34.

Example 3

A high-life bushing with compression-resistant damping, as shown in fig. 1 and 4, comprises: the shock absorber comprises an inner bushing 1, an outer bushing 2, a bidirectional shock absorber 3, a fixing ring 4 and a pressure reducer 5, wherein the outer bushing 2 is sleeved on the outer side of the inner bushing 1, the outer bushing 2 is in sliding contact with the inner bushing 1, the bidirectional shock absorber 3 is arranged on the inner side of the outer bushing 2, and the bidirectional shock absorber 3 is matched with the inner bushing 1; the inner surface of the outer bushing 2 is provided with a pressure reducer 5, the pressure reducer 5 is embedded into the inner bushing 1, and the pressure reducer 5 is matched with the inner bushing 1; the outer side of the outer bushing 2 is provided with a fixing ring 4.

The limiting block 51 in this embodiment is in the shape of a flying saucer.

Example 4

A high-life bushing with compression-resistant damping, as shown in fig. 1 and 4, comprises: the shock absorber comprises an inner bushing 1, an outer bushing 2, a bidirectional shock absorber 3, a fixing ring 4 and a pressure reducer 5, wherein the outer bushing 2 is sleeved on the outer side of the inner bushing 1, the outer bushing 2 is in sliding contact with the inner bushing 1, the bidirectional shock absorber 3 is arranged on the inner side of the outer bushing 2, and the bidirectional shock absorber 3 is matched with the inner bushing 1; the inner surface of the outer bushing 2 is provided with a pressure reducer 5, the pressure reducer 5 is embedded into the inner bushing 1, and the pressure reducer 5 is matched with the inner bushing 1; the outer side of the outer liner 2 is provided with a fixed ring 4.

The pressure reducer 5 in this embodiment includes a limiting block 51, an energy absorbing block 52 and an adjusting groove 53, the limiting block 51 is disposed on the outer liner 2, the adjusting groove 53 is disposed on the inner liner 1, the adjusting groove 53 is matched with the limiting block 51, and the size of the adjusting groove 53 is larger than that of the limiting block 51; an energy absorption block 52 is arranged outside the limiting block 51, and the energy absorption block 52 surrounds the limiting block 51.

Example 5

A long-life bush having a compression-resistant shock-absorbing function as shown in fig. 1, comprising: the shock absorber comprises an inner bushing 1, an outer bushing 2, a bidirectional shock absorber 3, a fixing ring 4 and a pressure reducer 5, wherein the outer bushing 2 is sleeved on the outer side of the inner bushing 1, the outer bushing 2 is in sliding contact with the inner bushing 1, the bidirectional shock absorber 3 is arranged on the inner side of the outer bushing 2, and the bidirectional shock absorber 3 is matched with the inner bushing 1; the inner surface of the outer bushing 2 is provided with a pressure reducer 5, the pressure reducer 5 is embedded into the inner bushing 1, and the pressure reducer 5 is matched with the inner bushing 1; the outer side of the outer bushing 2 is provided with a fixing ring 4.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. A long-life bush with resistance to compression cushioning effect which characterized in that: the method comprises the following steps: the shock absorber comprises an inner bushing (1), an outer bushing (2), a bidirectional shock absorber (3), a fixing ring (4) and a pressure reducer (5), wherein the outer bushing (2) is sleeved on the outer side of the inner bushing (1), the outer bushing (2) is in sliding contact with the inner bushing (1), the bidirectional shock absorber (3) is arranged on the inner side of the outer bushing (2), and the bidirectional shock absorber (3) is matched with the inner bushing (1); a pressure reducer (5) is arranged on the inner surface of the outer bushing (2), the pressure reducer (5) is embedded into the inner bushing (1), and the pressure reducer (5) is matched with the inner bushing (1); the outer side of the outer bushing (2) is provided with a fixing ring (4).

2. The bushing of claim 1, wherein said bushing has a high life with compression resistance and shock absorption, and further comprises: the bidirectional vibration damper (3) comprises an axial slide rail (31), an axial slide block (32), axial springs (33), radial slide rails (34), radial slide blocks (35) and radial springs (36), wherein the axial slide rail (31) is arranged on the outer surface of the inner bushing (1), a plurality of axial slide rails (31) are arranged, the axial slide rails (31) are arranged in parallel, the axial slide rail (31) is provided with the axial slide block (32), the axial slide block (32) is in sliding contact with the axial slide rail (31), the two ends of the axial slide block (32) are provided with the axial springs (33), one end of each axial spring (33) presses the axial slide block (32), and the other end of each axial spring (33) presses the axial slide rail (31); be provided with radial slider (35) on axial slider (32), be provided with radial slide rail (34) on damage radial slider (35), radial slide rail (34) are the annular, radial slide rail (34) set up in outer bush (2) internal surface, radial slider (35) and radial slide rail (34) sliding contact, radial slider (35) both ends are provided with radial spring (36), radial slider (35) are oppressed to radial spring (36) one end, radial spring (36) other end oppresses radial slide rail (34).

3. The bushing of claim 1, wherein said bushing has a high life with compression resistance and shock absorption, and further comprises: the pressure reducer (5) comprises a limiting block (51), an energy absorption block (52) and an adjusting groove (53), the limiting block (51) is arranged on the outer bushing (2), the adjusting groove (53) is arranged on the inner bushing (1), the adjusting groove (53) is matched with the limiting block (51), and the size of the adjusting groove (53) is larger than that of the limiting block (51); an energy-absorbing block (52) is arranged on the outer side of the limiting block (51), and the energy-absorbing block (52) surrounds the limiting block (51).

4. A high life bushing with compression resistant damping as claimed in claim 3 wherein: the energy absorption block (52) is provided with a plurality of energy absorption blocks, the energy absorption blocks (52) are hollow, and grooves which are convenient to deform are formed in the inner surface of each energy absorption block (52).

5. A high life bushing with compression resistant damping as claimed in claim 3 wherein: the limiting block (51) is in a flying saucer shape.

6. A high life bushing with compression resistant damping as claimed in claim 3 wherein: the energy absorption device is characterized in that a firing pin (54) is arranged inside the energy absorption block (52), the firing pin (54) is arranged on the outer side inside the energy absorption block (52), the firing pin (54) is matched with the middle section of the limiting block (51), the width of the middle section of the limiting block (51) is smaller than the width of the top of the limiting block (51), and the strength of the firing pin (54) is larger than that of the limiting block (51).

7. The bushing of claim 1, wherein said bushing has a high life with compression resistance and shock absorption, and further comprises: lubricating oil is filled between the inner bushing (1) and the outer bushing (2).