CN209977145U

CN209977145U - Wear-resisting dust keeper bumper shock absorber of no abnormal sound

Info

Publication number: CN209977145U
Application number: CN201920066138.XU
Authority: CN
Inventors: 陈仁华; 廖建国
Original assignee: SICHUAN CHUANNAN VIBRATION REDUCER GROUP CO Ltd
Current assignee: SICHUAN CHUANNAN VIBRATION REDUCER GROUP CO Ltd
Priority date: 2019-01-16
Filing date: 2019-01-16
Publication date: 2020-01-21
Anticipated expiration: 2029-01-16

Abstract

The utility model discloses a wear-resisting dust keeper bumper shock absorber of no abnormal sound, including the bumper shock absorber, the outside of bumper shock absorber is provided with dustproof gasbag, dustproof gasbag's inner chamber is provided with first fixed block, the equal fixedly connected with second stopper in outside both sides of first fixed block. The utility model discloses in, hydraulic cylinder has cup jointed first damping spring in the outside, make the second fixed block have certain buffering for hydraulic cylinder's pressure, and then can reduce hydraulic cylinder's friction, install second damping spring between first limiting plate and the second limiting plate, second damping spring's setting, wearing and tearing when having reduced hydraulic cylinder pressurized, make the pressurized have certain buffering, the setting of first limiting plate and second limiting plate, the bumper shock absorber wearability has been improved greatly, two second fixed blocks are with the horizontal center line symmetric distribution of first fixed block, because the effect in is mutual, symmetrical structure's design, the compressive capacity of greatly increased bumper shock absorber, the practicality has been improved greatly.

Description

Wear-resisting dust keeper bumper shock absorber of no abnormal sound

Technical Field

The utility model belongs to the technical field of the bumper shock absorber, specifically be a wear-resisting dust keeper bumper shock absorber of no abnormal sound.

Background

The shock absorber is used for inhibiting the shock when the spring absorbs the shock and rebounds and the shock from the road surface, and is divided from the angle of generating damping materials, the shock absorber mainly comprises a hydraulic shock absorber and an inflation shock absorber, and the shock absorber and an elastic element with variable damping bear the tasks of buffering and absorbing the shock, the damping force is too large, the elasticity of a suspension is deteriorated, even a shock absorber connecting piece is damaged, so the contradiction between the elastic element and the shock absorber needs to be adjusted, the shock absorber is widely used for automobiles, in order to accelerate the attenuation of the vibration of a frame and an automobile body and improve the running smoothness of the automobiles, when the shock absorber passes through the uneven road surface, although the shock absorbing spring can filter the shock of the road surface, the spring can still reciprocate, and the shock absorber is used for inhibiting the spring from jumping.

However, current bumper shock absorber, at first, the structure is complicated, the wearing and tearing sound between the bumper shock absorber structure, long-time wearing and tearing, the life of the bumper shock absorber of also direct influence can not eliminate the abnormal sound moreover, and then influences the user and use, secondly, current bumper shock absorber, compressive capacity is lower, and then leads to the bumper shock absorber impaired seriously, reduces the life of bumper shock absorber, and finally, current bumper shock absorber does not have the dust proof effect, and then influences the cleanness of bumper shock absorber.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that the shock absorber does not have wear resistance, compression resistance and dust resistance, the shock absorber is provided with a dustproof device which has no abnormal sound and is wear-resistant.

The utility model adopts the technical scheme as follows: the utility model provides a wear-resisting dust keeper bumper shock absorber of no abnormal sound, includes the bumper shock absorber, the outside of bumper shock absorber is provided with dust bag, dust bag's inner chamber is provided with first fixed block, the equal fixedly connected with second stopper in the outside both sides of first fixed block, the first limiting plate of the equal fixedly connected with in top and the bottom of first fixed block, the top and the bottom of first fixed block all are provided with the second fixed block, the second fixed block is close to one side fixedly connected with second limiting plate of first fixed block, the first stopper of the equal fixedly connected with in the outside both sides of second fixed block, fixedly connected with rubber pad between first stopper and the second stopper, install hydraulic cylinder between first limiting plate and the second limiting plate, install second damping spring between first limiting plate and the second limiting plate.

And grooves matched with the rubber cushion blocks for use are formed in the top and the bottom of the second limiting block.

The hydraulic oil cylinders are provided with two hydraulic oil cylinders, and the outsides of the two hydraulic oil cylinders are respectively sleeved with a first damping spring.

The first fixing blocks are arranged one by one, and one first fixing block is located at the horizontal center of the dustproof air bag.

The number of the rubber cushion blocks is four, and the rubber cushion blocks are located between the first limiting block and the second limiting block.

The number of the second damping springs is eight, and the horizontal center lines of the eight second damping springs are collinear with the diagonal line of the first fixing block.

The vertical sections of the first limiting plate and the second limiting plate are of a splayed structure.

The second fixed block is provided with two, and two equal fixedly connected with support columns in one side of keeping away from first fixed block are all run through dust bag to two second fixed blocks, and extend the equal fixedly connected with clamp plate in end.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, hydraulic cylinder has cup jointed first damping spring in the outside, first damping spring's setting, make the second fixed block have certain buffering for hydraulic cylinder's pressure, and then can reduce hydraulic cylinder's friction, and then the life of bumper shock absorber has been improved, install second damping spring between first limiting plate and the second limiting plate, second damping spring's setting, wearing and tearing when having reduced hydraulic cylinder pressurized, make the pressurized have certain buffering, the setting of first limiting plate and second limiting plate, it produces the abnormal sound to have reduced the dislocation installation, the practicality of bumper shock absorber has been improved, be provided with rubber cushion block between first stopper and the second stopper, rubber cushion block's setting, and protected second damping spring's stability, there is certain shock attenuation cushioning effect again, greatly reduced the friction, thereby the wearability has been increased.

2. The utility model discloses in, the top and the bottom of first fixed block all are provided with the second fixed block, and two second fixed blocks are with first fixed block horizontal center line symmetric distribution, first fixed block gives the bottom second fixed block that is symmetrical structure with first fixed block horizontal center line with pressure transmission, and the hydraulic cylinder and the second damping spring of bottom, because the effect of power is mutual, the second damping spring and the hydraulic cylinder of first fixed block bottom give the second damping spring and the hydraulic cylinder at first fixed block top with the pressure bounce-back again, symmetrical structure's design, and then greatly reduced transmits the pressure of the clamp plate of dustproof gasbag bottom, and then greatly increased bumper shock absorber's compressive capacity, the practicality has been improved greatly.

3. The utility model discloses in, support column and dust bag sliding connection, dust bag's setting has not only played the effect of making an uproar that falls that gives sound insulation on the one hand, and on the other hand prevents that the bumper shock absorber from accumulating the dust, and the later stage of being convenient for greatly is clean.

Drawings

FIG. 1 is a schematic diagram of the structure of a shock absorber of a dustproof device without abnormal noise and abrasion resistance of the present invention;

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

fig. 3 is a schematic top view of a-a of the present invention.

The labels in the figure are: 1. a shock absorber; 2. a dust-proof air bag; 3. a support pillar; 4. pressing a plate; 5. a first fixed block; 6. a first limit plate; 7. a hydraulic cylinder; 8. a first damping spring; 9. a second fixed block; 10. a second limiting plate; 11. a first stopper; 12. a rubber cushion block; 13. a second damping spring; 14. and a second limiting block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention 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 invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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 in specific cases to those skilled in the art.

Referring to fig. 1-3, a dustproof device shock absorber without abnormal sound and abrasion comprises a shock absorber 1, a dustproof air bag 2 is arranged outside the shock absorber 1, the dustproof air bag 2 is arranged to play a role in sound insulation and noise reduction on one hand, and on the other hand, the shock absorber 1 is prevented from accumulating dust, so that later cleaning is greatly facilitated, a first fixed block 5 is arranged in an inner cavity of the dustproof air bag 2, second limit blocks 14 are fixedly connected to both sides of the outside of the first fixed block 5, first limit plates 6 are fixedly connected to both the top and the bottom of the first fixed block 5, second fixed blocks 9 are arranged on both the top and the bottom of the first fixed block 5, a second limit plate 10 is fixedly connected to one side, close to the first fixed block 5, of the second fixed block 9, first limit blocks 11 are fixedly connected to both sides of the outside of the second fixed block 9, and a rubber cushion block 12 is fixedly, a hydraulic oil cylinder 7 is installed between the first limiting plate 6 and the second limiting plate 10, and a second damping spring 13 is installed between the first limiting plate 6 and the second limiting plate 10.

Furthermore, the top and the bottom of the second limiting block 14 are both provided with grooves matched with the rubber cushion block 12 for use, so that the matching use of the rubber cushion block 12 is facilitated.

Further, hydraulic cylinder 7 is provided with two altogether, and two hydraulic cylinder 7 outsides have all cup jointed first damping spring 8, and wearing and tearing when having reduced hydraulic cylinder 7 pressurized are reduced in the setting of second damping spring 13 for the pressurized has certain buffering.

Further, first fixed block 5 is provided with one altogether, and a first fixed block 5 is located the horizontal central point department of dust bag 2, and the setting of first fixed block 5 is favorable to symmetrical structure's setting, has improved the compressive capacity ability of bumper shock absorber 1 simultaneously again.

Furthermore, the number of the rubber cushion blocks 12 is four, the rubber cushion blocks 12 are located between the first limiting block 11 and the second limiting block 14, and the arrangement of the rubber cushion blocks 12 protects the stability of the second damping spring 13 and has a certain damping and buffering effect.

Furthermore, the number of the second damping springs 13 is eight, the horizontal center lines of the eight second damping springs 13 are collinear with the diagonal lines of the first fixing block 5, and the second damping springs 13 reduce abrasion of the hydraulic oil cylinder 7 when the hydraulic oil cylinder is pressed, so that the hydraulic oil cylinder is buffered to a certain extent when the hydraulic oil cylinder is pressed.

Further, the vertical cross section of first limiting plate 6 and second limiting plate 10 is eight style of calligraphy structures, and the setting of first limiting plate 6 and second limiting plate 10 has reduced the dislocation installation and has produced the abnormal sound, has improved bumper shock absorber 1's practicality.

Further, second fixed block 9 is provided with two altogether, and two second fixed blocks 9 keep away from the equal fixedly connected with support column 3 in one side of first fixed block 5, and two support columns 3 all run through dust bag 2, and extend the equal fixedly connected with clamp plate 4 in end, have improved the stability of bumper shock absorber 1.

The working principle is as follows: when in use, when the top pressing plate 4 of the shock absorber 1 is pressed, the supporting column 3 at the bottom is extruded, the supporting column 3 is in sliding connection with the dustproof air bag 2, the dustproof air bag 2 is arranged, on one hand, the functions of sound insulation and noise reduction are achieved, on the other hand, the shock absorber 1 is prevented from accumulating dust, the later cleaning is greatly facilitated, the supporting column 3 extrudes the second fixing block 9, the first limiting blocks 11 at the two ends of the second fixing block 9 are arranged, the first fixing block 5 is arranged at the central position of the dustproof air bag 2, the hydraulic oil cylinder 7 is fixedly connected between the first fixing block 5 and the second fixing block 9, the first damping spring 8 is sleeved outside the hydraulic oil cylinder 7, the first damping spring 8 is arranged, the pressure of the hydraulic oil cylinder 7 is buffered by the second fixing block 9 to a certain degree, the friction of the hydraulic oil cylinder 7 can be reduced, the service life of the shock absorber 1 is prolonged, the pressure of the, and the top and the bottom of the first fixed block 5 are fixedly connected with a first limit plate 6, one side of the second fixed block 9 close to the first fixed block 5 is fixedly connected with a second limit plate 10, a second damping spring 13 is arranged between the first limit plate 6 and the second limit plate 10, the arrangement of the second damping spring 13 reduces the abrasion of the hydraulic oil cylinder 7 when being pressed, so that the pressed part has certain buffering, the arrangement of the first limit plate 6 and the second limit plate 10 reduces the abnormal sound generated by dislocation installation, improves the practicability of the shock absorber 1, a rubber cushion block 12 is arranged between the first limit block 11 and the second limit block 14, the arrangement of the rubber cushion block 12 not only protects the stability of the second damping spring 13, but also has certain damping and buffering functions, after the pressure is transmitted to the first fixed block 5, the first fixed block 5 transmits the pressure to the second fixed block 9 at the bottom of the symmetrical structure with the horizontal central line of the first fixed block 5, and the hydraulic cylinder 7 and the second damping spring 13 of bottom, because the effect of power is mutual, the second damping spring 13 and the hydraulic cylinder 7 of 5 bottoms of first fixed block rebound the pressure again for the second damping spring 13 and the hydraulic cylinder 7 at 5 tops of first fixed block, and symmetrical structure's design, and then greatly reduced transmits the pressure of the clamp plate 4 of dustproof gasbag 2 bottoms, and then greatly increased bumper shock absorber 1's compressive capacity, has improved the practicality greatly.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a wear-resisting dust keeper bumper shock absorber of no abnormal sound, includes bumper shock absorber (1), its characterized in that: the shock absorber is characterized in that a dustproof air bag (2) is arranged outside the shock absorber (1), a first fixing block (5) is arranged in an inner cavity of the dustproof air bag (2), second limiting blocks (14) are fixedly connected to two outer sides of the first fixing block (5), first limiting plates (6) are fixedly connected to the top and the bottom of the first fixing block (5), second fixing blocks (9) are arranged on the top and the bottom of the first fixing block (5), a second limiting plate (10) is fixedly connected to one side, close to the first fixing block (5), of each second fixing block (9), first limiting blocks (11) are fixedly connected to two outer sides of the second fixing block (9), rubber cushion blocks (12) are fixedly connected between the first limiting blocks (11) and the second limiting blocks (14), a hydraulic oil cylinder (7) is arranged between the first limiting plate (6) and the second limiting plate (10), and a second damping spring (13) is arranged between the first limiting plate (6) and the second limiting plate (10).

2. The squealer and dust guard of claim 1, wherein: the top and the bottom of the second limiting block (14) are provided with grooves matched with the rubber cushion block (12) for use.

3. The squealer and dust guard of claim 1, wherein: the hydraulic oil cylinders (7) are provided with two hydraulic oil cylinders, and the outer parts of the two hydraulic oil cylinders (7) are respectively sleeved with a first damping spring (8).

4. The squealer and dust guard of claim 1, wherein: the first fixing blocks (5) are arranged one by one, and the first fixing block (5) is located at the horizontal center of the dustproof air bag (2).

5. The squealer and dust guard of claim 1, wherein: the number of the rubber cushion blocks (12) is four, and the rubber cushion blocks (12) are located between the first limiting block (11) and the second limiting block (14).

6. The squealer and dust guard of claim 1, wherein: the number of the second damping springs (13) is eight, and the horizontal center lines of the eight second damping springs (13) are collinear with the diagonal line of the first fixing block (5).

7. The squealer and dust guard of claim 1, wherein: the vertical sections of the first limiting plate (6) and the second limiting plate (10) are of a splayed structure.

8. The squealer and dust guard of claim 1, wherein: second fixed block (9) are provided with two altogether, and two equal fixedly connected with support column (3) in one side of keeping away from first fixed block (5) in two second fixed blocks (9), two support column (3) all run through dust bag (2), and extend the equal fixedly connected with clamp plate (4) of end.