CN211642085U

CN211642085U - Bumper bracket with buffering function

Info

Publication number: CN211642085U
Application number: CN201921652454.1U
Authority: CN
Inventors: 李宏亮; 潘红艳; 李万荣
Original assignee: Jiangsu Yujia Machinery Manufacturing Co ltd
Current assignee: Jiangsu Yujia Machinery Manufacturing Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-10-09
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses a bumper bracket with buffer function, which comprises a rear bar, a front bar, a spring shock absorber, a guide rod, a transmission plate, a support frame, a connecting plate, a reset torsional spring, a rotating shaft, a transmission connecting rod and a bearing connecting rod, wherein the guide rod passes through a through hole and is fixedly connected with the front bar, the spring shock absorber is positioned between the front bar and the rear bar, the reset torsional spring is fixed on a support plate, the rotating shaft is rotatably connected on the support plate, the rotating shaft is inserted into the reset torsional spring, the inner wall of the reset torsional spring is tightly connected with the annular side surface of the rotating shaft, one end of the transmission connecting rod is fixed with the rotating shaft, the transmission plate is positioned between the front bar and the rear bar, the guide rod passes through the inside of the connecting hole, one end of the bearing connecting rod is tightly and fixedly connected with the transmission plate, and the other end of the bearing connecting rod passes through the rear bar, the, the shock-absorbing structure is improved, the service life of the equipment is prolonged, and the bumper is fully protected.

Description

Bumper bracket with buffering function

Technical Field

The utility model relates to an automobile bumper equipment field specifically is a bumper support with buffer function.

Background

The automobile bumper is a safety device for absorbing and relieving external impact force and protecting the front part and the rear part of an automobile body. The front and rear bumpers of the automobile are stamped into channel steel by steel plates and riveted or welded with the frame longitudinal beam for many years, and a large gap is reserved between the channel steel and the automobile body, so that the front and rear bumpers of the automobile are quite unattractive. With the development of the automobile industry and the extensive use of engineering plastics in the automobile industry, automobile bumpers have also been revolutionized as an important safety device. The front and rear bumpers of the sedan car of today are required to be harmonious and unified with the shape of the car body and to be light in weight in itself, besides maintaining the original protection function. The front and rear bumpers of a car are all made of plastic and are called plastic bumpers. The plastic bumper of a common automobile consists of three parts, namely an outer plate, a buffer material and a cross beam. Wherein the outer plate and the buffer material are made of plastics, and the cross beam is punched into a U-shaped groove by a cold-rolled sheet; the outer plates and the cushioning material are attached to the cross member.

"scaffolding" is also to be interpreted as "scaffolding" and is a term used in the construction industry, in particular to provide temporary support for building buildings, which support is removed as the building is built. However, nowadays, the stent is widely applied and can be seen everywhere in work and life, such as a tripod of a camera, a heart stent used in the medical field and the like.

The bumper support with the buffering function in the prior art is a protection for an automobile frame, but in the structure disclosed in the traditional bumper support with the buffering function, such as document CN207106429, the structure is simple and crude, only one spring shock absorber is used for shock absorption, and the shock absorption and protection effects are poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bumper bracket with buffer function to in solving the traditional bumper bracket with buffer function who mentions in the above-mentioned background art and like the structure disclosed in document CN207106429, the structure is comparatively crude, only relies on a spring damper to carry out the shock attenuation, the relatively poor problem of effect of shock attenuation and protection.

In order to achieve the above object, the utility model provides a following technical scheme: a bumper support with a buffering function comprises a device main body and a damping mechanism, wherein the device main body comprises a rear bumper, a front bumper, a spring shock absorber, a guide rod, a transmission plate, a support frame and a connecting plate, the support frame is fixedly connected with the rear bumper through the connecting plate, a through hole is formed in the rear bumper, the front bumper is positioned on one side, away from an automobile body, of the rear bumper, the guide rod penetrates through the through hole and is fixedly connected with the front bumper, the spring shock absorber is positioned between the front bumper and the rear bumper, one end of the spring shock absorber is tightly connected with the front bumper, the other end of the spring shock absorber is tightly connected with the rear bumper, the damping mechanism comprises a reset torsion spring, a rotating shaft, a transmission connecting rod, a movable hole, a bearing connecting rod, a connecting port and a pin shaft, the reset torsion spring is fixed on a connecting port, the rotating shaft is connected on the supporting plate, and the rotating shaft, the utility model discloses a reset torsion spring, including reset torsion spring inner wall, pivot, drive connecting rod, transmission plate, drive connecting rod, pivot, connecting rod, connecting hole, connecting rod, pivot, drive connecting rod inner wall and the annular side zonulae occludens of pivot, drive connecting rod one end is fixed mutually with the pivot, the expansion mouth has been seted up to the drive connecting rod other end, the connecting hole has been seted up to the drive plate, the drive plate is located between leading thick stick and the back thick stick, lead the positive pole through connection hole inside, bear connecting rod one end and the inseparable fixed connection of drive plate, bear the connecting rod.

Preferably, the connection plate is internally filled with anti-seismic sponge.

Preferably, the rotating shaft is rotatably connected to the supporting plate through a bearing.

Preferably, the damping mechanism further comprises a guide sleeve; the uide bushing is fixed and is kept away from the side of front bar at the back thick stick, the uide bushing cover is located and is born the connecting rod outside.

Preferably, the anti-abrasion pads are arranged in the observation ports of the guide rod and the rear lever and the penetrating ports of the guide rod and the transmission plate.

Preferably, a shock absorption gasket is arranged at the joint of the spring shock absorber and the rear lever.

The utility model provides a bumper bracket with buffer function possesses following beneficial effect:

(1) firstly, the guide rod receives vibration, the vibration is preliminarily absorbed by the spring damper and then is transmitted to the bearing connecting rod, the bearing connecting rod receives the vibration, the bearing connecting rod transmits the vibration to the transmission connecting rod, the transmission connecting rod transmits the vibration to the rotating shaft, the rotating shaft transmits the vibration to the reset torsion spring, the reset torsion spring deforms, and the reset torsion spring absorbs and filters the rest vibration;

(2) the utility model improves the damping structure, prolongs the service life of the device and fully protects the bumper;

(3) the utility model is a new damping pad; the design further improves the earthquake-resistant performance;

(4) the utility model is a new guide sleeve; the design ensures the consistency of the motion direction of the bearing connecting rod.

Drawings

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

FIG. 2 is a schematic view of a partial structure of the damping mechanism of the present invention;

fig. 3 is a schematic view of a local structure of the middle damping mechanism of the present invention.

In the reference symbols: 1. a rear bar; 2. a front bar; 3. a spring damper; 4. a guide rod; 5. a drive plate; 6. a damping mechanism; 7. a support frame; 8. a connecting plate; 61. a return torsion spring; 62. a rotating shaft; 63. a transmission connecting rod; 64. a movable opening; 65. a load bearing link; 66. a guide sleeve; 67. a connecting port; 98. and (7) a pin shaft.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Example one

Referring to fig. 1-3, the present invention provides a technical solution: a bumper support with a buffering function comprises a device main body and a damping mechanism 6, wherein the device main body comprises a rear bumper 1, a front bumper 2, a spring shock absorber 3, a guide rod 4, a transmission plate 5, a support frame 7 and a connecting plate 8, the support frame 7 is fixedly connected with the rear bumper 1 through the connecting plate 8, a through hole is formed in the rear bumper 1, the front bumper 2 is positioned on one side, away from an automobile body, of the rear bumper 1, the guide rod 4 penetrates through the through hole and is fixedly connected with the front bumper 2, the spring shock absorber 3 is positioned between the front bumper 2 and the rear bumper 1, one end of the spring shock absorber 3 is tightly connected with the front bumper 2, the other end of the spring shock absorber 3 is tightly connected with the rear bumper 1, the damping mechanism 6 comprises a reset torsion spring 61, a rotating shaft 62, a transmission connecting rod 63, a movable port 64, bearing connecting

rods

65, 67 and a pin shaft 98, the reset torsion spring 61 is fixed on the support frame 7, the pivot 62 rotates to be connected on support frame 7, and inside pivot 62 inserted reset torsion spring 61, reset torsion spring 61 inner wall and the annular side zonulae occludens of pivot 62, drive connecting rod 63 one end is fixed mutually with pivot 62, the expansion mouth 64 has been seted up to the drive connecting rod 63 other end, the connecting hole has been seted up to drive plate 5, drive plate 5 is located between leading thick stick 2 and the back thick stick 1, it is inside leading the connecting hole 4 runs through to lead the positive pole, bear connecting rod 65 one end and drive plate 5 inseparable fixed connection, bear the connecting rod 65 other end and run through back thick stick 1, and seted up a connector 67, round pin axle 98 runs through the expansion mouth 64, and inserts inside the connector 67, drive connecting rod 63 rotates with bearing connecting rod 65 and is connected.

Wherein the front bar 2 and the rear bar 1 are made of stainless steel materials, and the surfaces of the front bar and the rear bar are sprayed with corrosion-resistant paint.

The utility model discloses at the during operation: the structure is arranged at the position of a bumper of an automobile frame, when a front bar 2 is vibrated, the front bar 2 moves towards a direction of a rear bar 1 through a guide rod 4, the spring shock absorber 3 primarily absorbs and filters the vibration until the front bar 2 is connected with a transmission plate 5, the front bar 2 transmits the rest vibration to a bearing connecting rod 65, after the bearing connecting rod 65 is stressed, the transmission plate 5 moves in a guide sleeve 66 through the bearing connecting rod 65, the bearing connecting rod 65 moves in a movable opening 64 through a pin shaft and rotates relative to a transmission connecting rod 63, the bearing connecting rod 65 transmits the vibration to the transmission connecting rod 63, the transmission connecting rod 63 transmits the vibration to a rotating shaft 62, the transmission connecting rod 63 rotates through the rotating shaft 62, the rotating shaft 62 transmits the vibration to a reset torsion spring 61, the rotating shaft 62 rotates to drive the reset torsion spring 61 to deform, the process of the reset torsion spring 61 deformation is the process of absorbing the rest vibration, and the reset torsion spring 61 fully absorbs and filters the rest vibration, thereby solved traditional bumper bearing structure that has buffer function and comparatively crude, only lean on a spring damper 3 to carry out the shock attenuation, the relatively poor problem of effect of shock attenuation and protection.

Example two

As a preferable scheme of the first embodiment, an anti-seismic sponge is filled in the connecting plate 8, and a shock-absorbing gasket is arranged at the joint of the spring shock absorber 3 and the rear bar 1; the design further promotes the anti-seismic performance, strengthens the overall practical performance and greatly prolongs the service life of the anti-seismic device.

EXAMPLE III

As another preferable mode of the first embodiment, the damping mechanism 6 further includes a guide sleeve 66; the guide sleeve 66 is fixed on one side surface of the rear bar 1 far away from the front bar 2, and the guide sleeve 66 is sleeved on the outer side of the bearing connecting rod 65; this design can be directional for bearing connecting rod 65, guarantees to bear the directionality of connecting rod 65 motion, has strengthened its holistic stability, prevents that it from appearing the unstable condition of direction motion and taking place to let its holistic result of use greatly increased.

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 evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A bumper support with a buffering function comprises a device main body and a damping mechanism (6), wherein the device main body comprises a rear bumper (1), a front bumper (2), a spring shock absorber (3), a guide rod (4), a transmission plate (5), a support frame (7) and a connecting plate (8), the support frame (7) is fixedly connected with the rear bumper (1) through the connecting plate (8), a through hole is formed in the rear bumper (1), the front bumper (2) is positioned on one side, away from an automobile body, of the rear bumper (1), the guide rod (4) penetrates through the through hole and is fixedly connected with the front bumper (2), the spring shock absorber (3) is positioned between the front bumper (2) and the rear bumper (1), one end of the spring shock absorber (3) is tightly connected with the front bumper (2), and the other end of the spring shock absorber (3) is tightly connected with the rear bumper (1), the method is characterized in that: damping mechanism (6) include reset torsion spring (61), pivot (62), transmission connecting rod (63), expansion joint (64), bear connecting rod (65), connector (67) and round pin axle (98), reset torsion spring (61) are fixed on support frame (7), pivot (62) rotate to be connected on support frame (7), and inside pivot (62) inserted reset torsion spring (61), reset torsion spring (61) inner wall and the annular side zonulae occludens of pivot (62), transmission connecting rod (63) one end is fixed mutually with pivot (62), expansion joint (64) have been seted up to the transmission connecting rod (63) other end, the connecting hole has been seted up to driving plate (5), driving plate (5) are located between front bar (2) and back bar (1), lead positive pole (4) inside the through connection hole, bear connecting rod (65) one end and driving plate (5) inseparable fixed connection, the other end of the bearing connecting rod (65) penetrates through the rear lever (1) and is provided with a connecting port (67), the pin shaft (98) penetrates through the movable port (64) and is inserted into the connecting port (67), and the transmission connecting rod (63) is rotatably connected with the bearing connecting rod (65).

2. A bumper bracket having a buffering function according to claim 1, characterized in that: the connecting plate (8) is filled with anti-seismic sponge.

3. A bumper bracket having a buffering function according to claim 1, characterized in that: the rotating shaft (62) is rotatably connected to the support frame (7) through a bearing.

4. A bumper bracket having a buffering function according to claim 1, characterized in that: the damping mechanism (6) further comprises a guide sleeve (66); the guide sleeve (66) is fixed on one side face, far away from the front bar (2), of the rear bar (1), and the guide sleeve (66) is sleeved on the outer side of the bearing connecting rod (65).

5. A bumper bracket having a buffering function according to claim 1, characterized in that: the anti-abrasion pads are arranged in the observation openings of the guide rod (4) and the rear lever (1) and the penetrating openings of the guide rod (4) and the transmission plate (5).

6. A bumper bracket having a buffering function according to claim 1, characterized in that: and a damping gasket is arranged at the joint of the spring damper (3) and the rear lever (1).