CN218431152U

CN218431152U - Vibration-damping and vibration-resisting bumper

Info

Publication number: CN218431152U
Application number: CN202222346064.XU
Authority: CN
Inventors: 祁志明
Original assignee: Changzhou Mingchen Automobile Co ltd
Current assignee: Changzhou Mingchen Automobile Co ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2023-02-03
Anticipated expiration: 2032-09-05

Abstract

The utility model relates to a bumper technical field, damping anti vibration bumper, including crossbeam and bumper body, the crossbeam top uses the crossbeam central line to be equipped with the connecting rod as the axial symmetry, the terminal surface is equipped with the strengthening rib around the connecting rod, the bottom and the crossbeam top fixed connection of strengthening rib, the both sides of strengthening rib are provided with L type reinforcing plate, the longer end of L type reinforcing plate and the lateral wall fixed connection of strengthening rib, the shorter end of L type reinforcing plate and the top fixed connection of crossbeam, the bottom of bumper body is provided with the mount pad fixed with the connecting rod, the bottom of mount pad seted up with connecting rod assorted mounting groove, mounting groove inner wall be equipped with strengthening rib assorted guide way, connecting bolt one end runs through mount pad and connecting rod and coupling nut fixed connection, be provided with the spacing subassembly of restriction connecting bolt pivoted on the mount pad, the utility model discloses, firm in connection, structural strength is high, the resonance that effective control bumper and vehicle produced.

Description

Vibration-damping and anti-vibration bumper

Technical Field

The utility model belongs to the technical field of the bumper, specifically be damping anti vibration bumper.

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 automobile front and rear bumpers are stamped into channel steel by steel plates and riveted or welded with frame longitudinal beams for many years, a large gap is reserved between the steel plates and an automobile body, the appearance is quite unattractive, along with the development of the automobile industry and the large application of engineering plastics in the automobile industry, the automobile bumpers are used as an important safety device and also move to an innovative road, the existing automobile front and rear bumpers also need to be harmonious and uniform with the automobile body shape and light in weight as well as maintain the original protection function, and the plastic bumpers are called as plastic bumpers.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to above-mentioned defect, provide a damping anti vibration bumper, firm in connection, structural strength is high, the resonance that effective control bumper and vehicle produced.

The utility model provides a technical scheme that its technical problem adopted as follows: damping anti vibration bumper, including crossbeam and bumper body, the crossbeam top uses the crossbeam central line to weld as the axial symmetry has the connecting rod that is perpendicular upward state, the terminal surface is provided with the strengthening rib along connecting rod length direction around the connecting rod, the bottom and the crossbeam top fixed connection of strengthening rib, the both sides of strengthening rib are provided with the L type reinforcing plate that is the mirror image and arranges, the lateral wall fixed connection of fixing bolt and strengthening rib is passed through to the longer end of L type reinforcing plate, and the shorter end of L type reinforcing plate passes through the top fixed connection of fixing bolt and crossbeam, the bottom of bumper body is provided with the mount pad fixed with the connecting rod, the bottom of mount pad seted up with connecting rod assorted mounting groove, mounting groove inner wall seted up with strengthening rib assorted guide way, mount pad both sides outer wall is provided with connecting bolt and coupling nut respectively, connecting bolt one end runs through mount pad and connecting rod and coupling nut fixed connection, be provided with restriction connecting bolt pivoted spacing subassembly on the mount pad.

Furthermore, the limiting assembly comprises a mounting hole formed in the bottom end of the mounting seat on one side of the connecting rod and a limiting bolt in threaded connection with the mounting hole, the mounting hole is communicated with the outer surface of the connecting bolt, and one end of the limiting bolt radially abuts against the outer surface of the connecting bolt.

Furthermore, the bumper body includes the swash plate that two symmetries set up and connects two swash plates and be in the diaphragm between two swash plates, and the one end and the crossbeam welding of connecting rod, the other end and diaphragm fixed connection.

Furthermore, the bottom of two swash plates all is provided with the articulated elements, and the crossbeam top is provided with down the articulated elements with the corresponding department of last articulated elements, it has damping device to hinge between upper hinge element and the lower articulated element.

Further, the shock absorbing device includes: shell body, guide post, apron, blotter, slider, connecting portion, the vertical setting of guide post is inside the shell body, apron threaded connection is at the open end of shell body, the blotter sets up at the guide post both ends, the slider slides and sets up on the guide post, connecting portion set up respectively at guide post bottom and apron top to articulated elements and articulated elements down on with last articulated elements respectively.

The utility model has the advantages that:

the utility model discloses a strengthening rib, L type reinforcing plate, the mount pad, the mounting groove, the guide way, connecting bolt, the structural strength of connecting rod both ends and crossbeam and this body coupling department of bumper has been strengthened in the cooperation setting of coupling nut and spacing subassembly, it is higher to make the wholeness of junction, it is more firm to connect, the resonance of bumper rather than producing in effectively having prevented the vehicle and traveling, spacing subassembly is to the further locking of connecting bolt, it is not hard up to prevent that connecting bolt from receiving the influence production of external force, it is more firm stable to make the junction, prevent not hard up the production of back resonance.

The utility model discloses a damping device's setting, when the vehicle produced vibrations in going, the bumper bar appeared rocking, because the slider set up with the guide post slides, the removal of slider lags behind the bumper, the motion opposite direction of slider and bumper to the slider is along the blotter contact at guide post and guide post both ends, will do all can the power and transmit the both ends of shell body, through controlling reciprocal collision motion like this, thereby consume the vibrations energy, slow down the resonance of bumper.

Drawings

The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings.

Fig. 1 is a front view of the structure of the present invention.

Fig. 2 is an enlarged schematic view of a structure of fig. 1.

Fig. 3 is a schematic view of the bottom view structure of the mounting seat of the present invention.

Fig. 4 is a schematic view of the overlooking structure of the connecting rod and the L-shaped reinforcing plate of the present invention.

Wherein: 1. a cross beam; 2. a bumper body; 201. a sloping plate; 202. a transverse plate; 3. a connecting rod; 4. reinforcing ribs; 5. an L-shaped reinforcing plate; 6. a mounting seat; 7. mounting grooves; 701. a guide groove; 8. a connecting bolt; 9. a connecting nut; 1001. mounting holes; 1002. a limit bolt; 11. an upper hinge member; 12. a lower hinge member; 1301. an outer housing; 1302. a guide post; 1303. a cover plate; 1304. a cushion pad; 1305. a slider; 1306. a connecting portion.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1-4, the vibration-damping and vibration-resisting bumper comprises a beam 1 and a bumper body 2, wherein a connecting rod 3 in a vertical upward state is welded on the top end of the beam 1 in an axisymmetric manner by taking the central line of the beam 1 as an axis, the cross section of the connecting rod 3 can be a rectangular structure, reinforcing ribs 4 are arranged on the front end surface and the rear end surface of the connecting rod 3 along the length direction of the connecting rod 3, the cross section of each reinforcing rib 4 is a rectangular structure, the bottom ends of the reinforcing ribs 4 are fixedly connected with the top end of the beam 1, the reinforcing ribs 4 and the beam 1 can be integrally formed, the reinforcing ribs 4 are used for enhancing the connection strength between the connecting rod 3 and the beam 1, L-shaped reinforcing plates 5 arranged in a mirror image manner are arranged on two sides of the reinforcing ribs 4, the longer ends of the L-shaped reinforcing plates 5 are fixedly connected with the side walls of the reinforcing ribs 4 through fixing bolts, and the shorter ends of the L-shaped reinforcing plates 5 are fixedly connected with the top end of the beam 1 through the fixing bolts, the L-shaped reinforcing plate 5 is used for further fixing the connecting strength between the connecting rod 3 and the cross beam 1, the L-shaped reinforcing plate 5 is matched with the reinforcing rib 4, the integrity between the connecting rod 3 and the cross beam 1 is improved, even if the force arm of the connecting rod 3 is longer, the L-shaped reinforcing plate 5 can be stably fixed on the cross beam 1 through the reinforcing rib 4 and the L-shaped reinforcing plate 5, the structural strength is higher, the generation of resonance in driving is effectively prevented, the bottom end of the bumper body 2 is provided with an installation seat 6 fixed with the connecting rod 3, the bottom end of the installation seat 6 is provided with an installation groove 7 matched with the connecting rod 3, the installation groove 7 is clamped with the connecting rod 3, the inner wall of the installation groove 7 is provided with a guide groove 701 matched with the reinforcing rib 4, the guide groove 701 is used for accommodating the reinforcing rib 4 to enter, the outer walls of two sides of the installation seat 6 are respectively provided with a connecting bolt 8 and a connecting nut 9, one end of the connecting bolt 8 penetrates through the installation seat 6 and the connecting rod 3 to be fixedly connected with the connecting nut 9, be provided with the spacing subassembly of restriction connecting bolt 8 pivoted on the mount pad 6, spacing subassembly is used for locking connecting bolt 8, prevents that connecting bolt 8 from receiving the influence production of external force not hard up, makes the junction more firm stable, prevents not hard up back resonant production.

Preferably, spacing subassembly is including setting up the mounting hole 1001 and the spacing bolt 1002 of threaded connection in the mounting hole 1001 at the 6 bottom ends of mount pad that are located connecting rod 3 one side, mounting hole 1001 is linked together with connecting bolt 8's surface, the one end of spacing bolt 1002 radially withstands connecting bolt 8's surface, spacing bolt 1002 radially withstands connecting bolt 8 through mounting hole 1001, and screw up, the frictional force between connecting bolt 8 and mount pad 6 and the connecting rod 3 has been increased, prevent that connecting bolt 8 from rotating and removing because of external force appearance, make the connection.

Preferably, the bumper body 2 includes the swash plate 201 that two symmetries set up and connects two swash plates 201 and be in the diaphragm 202 between two swash plates 201, and the one end and the crossbeam 1 welding of connecting rod 3, the other end and diaphragm 202 fixed connection.

Preferably, the bottom of two swash plates 201 all is provided with articulated elements 11, and the corresponding department in 1 top of crossbeam and last articulated elements 11 is provided with articulated elements 12 down, goes up articulated elements 11 and articulated elements 12 between articulated elements 12 down and has damping device, and damping device fixes the shock attenuation with the cooperation of connecting rod 3 to bumper body 2's whole, makes antidetonation shock attenuation effect better.

Preferably, the shock-absorbing device includes: the shock absorber comprises an outer shell 1301, a guide post 1302, a cover plate 1303, a buffer pad 1304, a slider 1305 and a connecting part 1306, wherein the guide post 1302 is vertically arranged inside the outer shell 1301, the cover plate 1303 is in threaded connection with the open end of the outer shell 1301, the buffer pads 1304 are arranged at two ends of the guide post 1302, the bottom end of the buffer pad 1304 is abutted against the bottom end of the inner part of the outer shell 1301, the top end of the buffer pad 1304 is abutted against the bottom end of the cover plate 1303, the slider 1305 is arranged on the guide post 1302 in a sliding mode, the connecting part 1306 is respectively arranged at the bottom end of the guide post 1302 and at the top end of the cover plate 1303 and is hinged with an upper hinge 11 and a lower hinge 12 respectively, when a vehicle generates shock during running, the bumper 2 shakes, the slider 1305 lags behind the bumper body 2 due to the sliding arrangement of the slider 1305 and the guide post 1302, the moving direction of the slider 1305 is opposite to the moving direction of the bumper body 2, so that the slider 1305 is in contact with the buffer pads 1304 at two ends of the guide post 1302 along the guide post 1302, force is transmitted to two ends of the outer shell 1301, and the collision motion which the left and right reciprocating motion is adopted, thereby consuming shock energy and reducing the resonance of the bumper body 2.

The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the techniques of the present invention are substantially any simple modification and equivalent changes to the above embodiments, all falling within the protection scope of the present invention.

Claims

1. Damping anti vibration bumper, including crossbeam (1) and bumper body (2), its characterized in that: the top end of the beam (1) is symmetrically welded with a connecting rod (3) which is in a vertical upward state by taking the central line of the beam (1) as an axis, the front end surface and the rear end surface of the connecting rod (3) are provided with reinforcing ribs (4) along the length direction of the connecting rod (3), the bottom ends of the reinforcing ribs (4) are fixedly connected with the top end of the cross beam (1), l-shaped reinforcing plates (5) which are arranged in a mirror image manner are arranged on two sides of the reinforcing rib (4), the longer end of the L-shaped reinforcing plate (5) is fixedly connected with the side wall of the reinforcing rib (4) through a fixing bolt, the shorter end of the L-shaped reinforcing plate (5) is fixedly connected with the top end of the cross beam (1) through a fixing bolt, the bottom end of the bumper body (2) is provided with an installation seat (6) fixed with the connecting rod (3), the bottom end of the installation seat (6) is provided with an installation groove (7) matched with the connecting rod (3), the inner wall of the mounting groove (7) is provided with a guide groove (701) matched with the reinforcing rib (4), the outer walls of the two sides of the mounting seat (6) are respectively provided with a connecting bolt (8) and a connecting nut (9), one end of the connecting bolt (8) penetrates through the mounting seat (6) and the connecting rod (3) to be fixedly connected with the connecting nut (9), and a limiting component for limiting the rotation of the connecting bolt (8) is arranged on the mounting seat (6).

2. The vibration-damping, anti-vibration bumper of claim 1, wherein: the limiting assembly comprises a mounting hole (1001) formed in the bottom end of a mounting seat (6) located on one side of the connecting rod (3) and a limiting bolt (1002) in the mounting hole (1001) in a threaded connection mode, the mounting hole (1001) is communicated with the outer surface of the connecting bolt (8), and one end of the limiting bolt (1002) radially abuts against the outer surface of the connecting bolt (8).

3. The vibration-damping, anti-vibration bumper of claim 1, wherein: the bumper body (2) comprises two symmetrically arranged inclined plates (201) and a transverse plate (202) which is connected with the two inclined plates (201) and located between the two inclined plates (201), one end of the connecting rod (3) is welded with the transverse beam (1), and the other end of the connecting rod is fixedly connected with the transverse plate (202).

4. The vibration-damping, anti-vibration bumper of claim 3, wherein: two the bottom of swash plate (201) all is provided with last articulated elements (11), and crossbeam (1) top is provided with down articulated elements (12) with last articulated elements (11) corresponding department, it has damping device to hinge between last articulated elements (11) and lower articulated elements (12).

5. The vibration-damping, anti-vibration bumper of claim 4, wherein: the shock-absorbing device includes: the novel hinge comprises an outer shell (1301), a guide post (1302), a cover plate (1303), a cushion pad (1304), a sliding block (1305) and a connecting part (1306), wherein the guide post (1302) is vertically arranged inside the outer shell (1301), the cover plate (1303) is in threaded connection with the open end of the outer shell (1301), the cushion pad (1304) is arranged at two ends of the guide post (1302), the sliding block (1305) is arranged on the guide post (1302) in a sliding mode, and the connecting part (1306) is arranged at the bottom end of the guide post (1302) and the top end of the cover plate (1303) respectively and is hinged with an upper hinge piece (11) and a lower hinge piece (12) respectively.