CN211501440U

CN211501440U - Variable damping formula bumper shock absorber

Info

Publication number: CN211501440U
Application number: CN201922239697.9U
Authority: CN
Inventors: 范佳宇
Original assignee: Wuhan Shifangyun Power Technology Co ltd
Current assignee: Wuhan Shifangyun Power Technology Co ltd
Priority date: 2019-12-14
Filing date: 2019-12-14
Publication date: 2020-09-15
Anticipated expiration: 2029-12-14

Abstract

The utility model discloses a variable damping formula bumper shock absorber, comprising a base plate, equal threaded connection in both sides has a first spacing bolt around both sides and the right part around the left part of bottom plate, casing under the upper end middle part fixedly connected with of bottom plate, the inner chamber lower part fixedly connected with fixed disk of casing down, the surface lower part right side of casing is provided with flexible extrusion device down, the upper end of casing is provided with first damping device down, and just first damping device runs through the upper end middle part of casing down and extends to the inside of casing down, first damping device's inner chamber middle part is provided with second damping device. A variable damping formula bumper shock absorber, extrude the set-square through the stripper plate and down move to make the second spring be in tensile state when driving L shape frame down motion, the second spring can in time release elastic pressure when the car in-process takes place to jolt, thereby has improved the practicality of bumper shock absorber.

Description

Variable damping formula bumper shock absorber

Technical Field

The utility model relates to a bumper shock absorber technical field specifically is a variable damping formula bumper shock absorber.

Background

The shock absorber is used for suppressing the shock of spring shock absorption back rebound and the impact that comes from the road surface, extensively be used for the car, for the decay of frame and automobile body vibration with higher speed, in order to improve the ride comfort of car, when the road surface is being passed through, inhale the vibrations that the shock absorber spring can filter the road surface, but spring self still can have reciprocating motion, and the shock absorber is just used for suppressing this kind of spring jump, present shock absorber shock attenuation effect is relatively poor in the use, simultaneously can't in time adjust the shock attenuation effect according to the difference of car road conditions, the practicality is relatively poor, secondly when the car long-time driving in-process, the shock absorber breaks away from the car easily, cause the damage of shock absorber, and the service life is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a variable damping formula bumper shock absorber to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a variable damping formula bumper shock absorber, includes the bottom plate, equal threaded connection in both sides has a first spacing bolt around both sides and the right part around the left part of bottom plate, casing under the upper end middle part fixedly connected with of bottom plate, the inner chamber lower part fixedly connected with fixed disk of casing down, the surface lower part right side of casing is provided with flexible extrusion device down, the upper end of casing is provided with first damping device down, and just first damping device runs through the upper end middle part of casing down and extends to the inside of casing down, first damping device's inner chamber middle part is provided with second damping device.

Preferably, the telescopic extrusion device comprises a first fixing plate, a telescopic power machine is fixedly connected to the middle of the upper end of the first fixing plate, an output end of the telescopic power machine is movably connected with a telescopic rod, the telescopic rod penetrates through the right side of the lower portion of the outer surface of the lower shell and is fixedly connected with the extrusion plate, and the first fixing plate is fixedly connected to the right side of the lower portion of the outer surface of the lower shell to fixedly connect the telescopic extrusion device with the lower shell.

Preferably, first damping device includes first spring, first spring is provided with two sets ofly, and the common fixed mounting in upper end of two sets of first springs has last casing, the upper end middle part threaded connection of going up the casing has the spacing bolt of second, and is two sets of first spring fixed connection is in the same place first damping device and lower casing fixed connection in the upper end left part and the upper end right part of casing down.

Preferably, second damping device includes the positioning disk, the lower extreme middle part fixed mounting of positioning disk has the second spring, the lower extreme fixedly connected with L shape frame of second spring, the inner chamber bottom fixedly connected with set-square of L shape frame, the first gag lever post of the lower extreme middle part fixedly connected with of L shape frame, first gag lever post runs through the upper end middle part of fixed disk, positioning disk swing joint is with second damping device and first damping device swing joint in first damping device's inner chamber middle part.

Preferably, the size of the positioning disc is matched with the size of the inner cavity of the first damping device.

Preferably, the telescopic extrusion device and the triangular plate are positioned on the same horizontal line.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the first spring receives vibrations and is in compression state often, thereby play the effect of shock attenuation buffering through first spring release elastic pressure, further improved the shock attenuation effect through setting up the second spring, stripper plate extrusion set-square makes the set-square downstream, and then drives the set-square and contacts down the fixed disk until, then make the second spring be in tensile state when driving L shape frame downstream, the second spring can in time release elastic pressure when the car in-process takes place to jolt, thereby the practicality of bumper shock absorber has been improved.

2. Through setting up first spacing bolt to fix mutually between bottom plate and the car, prevent that the bottom plate from breaking away from the car and causing the damage of bumper shock absorber, prolonged the life of bumper shock absorber.

Drawings

FIG. 1 is a schematic view of the overall structure of a variable damping shock absorber according to the present invention;

FIG. 2 is a schematic structural view of a second damping device of the variable damping shock absorber of the present invention;

FIG. 3 is a schematic structural view of a first damping device of the variable damping shock absorber according to the present invention;

fig. 4 is a schematic structural view of the telescopic extrusion device of the variable damping shock absorber of the present invention.

In the figure: 1. a base plate; 2. a first limit bolt; 3. a lower housing; 4. fixing the disc; 5. a telescopic extrusion device; 6. a first damping device; 7. a second damping device; 51. a first fixing plate; 52. a telescopic power machine; 53. a telescopic rod; 54. a pressing plate; 61. a first spring; 62. an upper housing; 63. a second limit bolt; 71. positioning a plate; 72. a second spring; 73. an L-shaped frame; 74. a set square; 75. a first stop lever.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a variable damping formula bumper shock absorber, comprising a base plate 1, equal threaded connection in both sides has a first spacing bolt 2 around both sides and the right part around the left part of bottom plate 1, casing 3 under the upper end middle part fixedly connected with of bottom plate 1, the inner chamber lower part fixedly connected with fixed disk 4 of casing 3 down, the surface lower part right side of casing 3 is provided with flexible extrusion device 5 down, the upper end of casing 3 is provided with first damping device 6 down, and first damping device 6 runs through the upper end middle part of casing 3 down and extends to the inside of casing 3 down, the inner chamber middle part of first damping device 6 is provided with second damping device 7.

The telescopic extrusion device 5 comprises a first fixing plate 51, a telescopic power machine 52 is fixedly connected to the middle of the upper end of the first fixing plate 51, the telescopic power machine 52 is a power mechanism capable of enabling a telescopic rod 53 to be in a telescopic and extending state, the output end of the telescopic power machine 52 is movably connected with the telescopic rod 53, the telescopic rod 53 penetrates through the right side of the lower portion of the outer surface of the lower shell 3 and is fixedly connected with an extrusion plate 54, one side face of the extrusion plate 54 is an inclined face, a triangular plate 74 is extruded through the extrusion plate 54, a second spring 72 is enabled to be in a stretching state, and the first fixing plate 51 is fixedly connected to the right side of the lower portion of the outer surface of the lower; the first damping device 6 comprises first springs 61, and the first springs 61 are in a compressed state and release elastic pressure to achieve a damping effect, two groups of first springs 61 are arranged, the upper ends of the two groups of first springs 61 are jointly and fixedly provided with an upper shell 62, the middle part of the upper end of the upper shell 62 is in threaded connection with a second limiting bolt 63, the second limiting bolt 63 achieves a limiting effect on a positioning disc 71 to keep the stability of the positioning disc 71, and the two groups of first springs 61 are fixedly connected to the left part and the right part of the upper end of the lower shell 3 to fixedly connect the first damping device 6 and the lower shell 3 together; the second damping device 7 comprises a positioning disc 71, the positioning disc 71 plays a role in positioning the second spring 72, the second spring 72 is fixedly installed in the middle of the lower end of the positioning disc 71, the second spring 72 releases elastic pressure when in a compressed state so as to play a role in damping and buffering, the lower end of the second spring 72 is fixedly connected with an L-shaped frame 73, the bottom of an inner cavity of the L-shaped frame 73 is fixedly connected with a triangular plate 74, the middle of the lower end of the L-shaped frame 73 is fixedly connected with a first limiting rod 75, the first limiting rod 75 plays a role in limiting the second spring 72, the first limiting rod 75 penetrates through the middle of the upper end of the fixed disc 4, and the positioning disc 71 is movably connected in the middle of the inner cavity of the first damping device 6 so as to movably connect the second damping device 7 with the first damping device 6; the size of the positioning disc 71 is matched with the size of the inner cavity of the first damping device 6; the telescopic press 5 and the triangular plate 74 are on the same horizontal line.

It should be noted that, the present invention relates to a variable damping shock absorber, when the automobile is vibrated during traveling, the first springs 61 on both sides are in a compression state when being vibrated, the first springs 61 release elastic pressure to play a role of shock absorption and buffering, the second spring 72 is arranged to further improve the shock absorption effect, the telescopic power machine 52 drives the telescopic rod 53 to extend and retract, so that the telescopic rod 53 drives the extruding plate 54 to move left when extending, the extruding plate 54 contacts the surface of the triangular plate 74, because the extruding plate 54 and one side of the triangular plate 74 are in an inclined state, the extruding plate 54 extrudes the triangular plate 74 to move the triangular plate 74 downward, the first limiting rod 75 limits the triangular plate 74, and further drives the triangular plate 74 to contact the fixed plate 4 downward, and then the L-shaped frame 73 moves downward, so that the second spring 72 is in a stretching state, when the automobile jolts, the second spring 72 can timely release elastic pressure, so that the practicability of the shock absorber is improved, the first limiting bolt 2 is arranged, the bottom plate 1 and the automobile are fixed, the bottom plate 1 is prevented from being separated from the automobile to cause damage of the shock absorber, and the service life of the shock absorber is prolonged.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A variable damping shock absorber, comprising a base plate (1), characterized in that: the utility model discloses a damping device, including bottom plate (1), the equal threaded connection in both sides around the left part of bottom plate (1) and the right part both sides has a first spacing bolt (2), casing (3) under the upper end middle part fixedly connected with of bottom plate (1), the inner chamber lower part fixedly connected with fixed disk (4) of casing (3) down, the surface lower part right side of casing (3) is provided with flexible extrusion device (5) down, the upper end of casing (3) is provided with first damping device (6) down, and just first damping device (6) run through the upper end middle part of casing (3) down and extend to the inside of casing (3) down, the inner chamber middle part of first damping device (6) is provided with second damping device (7).

2. The variable damping shock absorber according to claim 1, wherein: the telescopic extrusion device (5) comprises a first fixing plate (51), a telescopic power machine (52) is fixedly connected to the middle of the upper end of the first fixing plate (51), an expansion rod (53) is movably connected to the output end of the telescopic power machine (52), the expansion rod (53) penetrates through the right side of the lower portion of the outer surface of the lower shell (3) and is fixedly connected with an extrusion plate (54), and the first fixing plate (51) is fixedly connected to the right side of the lower portion of the outer surface of the lower shell (3) to fixedly connect the telescopic extrusion device (5) with the lower shell (3).

3. The variable damping shock absorber according to claim 1, wherein: first damping device (6) are including first spring (61), first spring (61) are provided with two sets ofly, and the common fixed mounting in upper end of two sets of first spring (61) has last casing (62), the upper end middle part threaded connection who goes up casing (62) has second spacing bolt (63), and is two sets of first spring (61) fixed connection is in the same place first damping device (6) and lower casing (3) fixed connection in the upper end left part and the upper end right part of casing (3) down.

4. The variable damping shock absorber according to claim 1, wherein: second damping device (7) include positioning disk (71), the lower extreme middle part fixed mounting of positioning disk (71) has second spring (72), the lower extreme fixedly connected with L shape frame (73) of second spring (72), the inner chamber bottom fixedly connected with set-square (74) of L shape frame (73), the first gag lever post (75) of lower extreme middle part fixedly connected with of L shape frame (73), the upper end middle part of fixed disk (4) is run through in first gag lever post (75), positioning disk (71) swing joint is with second damping device (7) and first damping device (6) swing joint in the inner chamber middle part of first damping device (6).

5. The variable damping shock absorber according to claim 4, wherein: the size of the positioning disc (71) is matched with the size of the inner cavity of the first damping device (6).

6. The variable damping shock absorber according to claim 4, wherein: the telescopic extrusion device (5) and the triangular plate (74) are positioned on the same horizontal line.