CN219360992U - Combined vehicle lower bumper - Google Patents

Abstract

The utility model relates to the technical field of bumpers, in particular to a combined type vehicle lower bumper which comprises a cross beam, a first bumper body and a second bumper body, wherein first sliding grooves are symmetrically formed in two sides of the upper surface of the cross beam, connecting arms are arranged in the first sliding grooves in a sliding mode, clamping parts are arranged on one sides of the connecting arms, first through holes communicated with the first sliding grooves are horizontally formed in two sides of the cross beam, a fixing rod is arranged in the first through holes in a sliding mode, one end of the fixing rod penetrates through the first through holes to be fixedly connected with the connecting arms, the other end of the fixing rod extends to the outside of the first through holes, a holding block is arranged on the fixing rod outside the first through holes, a spring is sleeved on the fixing rod, a second sliding groove is formed in the position, corresponding to the first sliding grooves, of the bottom of the first bumper body, a clamping opening matched with the clamping parts is formed in one side of the second sliding grooves, and a quick locking assembly is arranged on the cross beam.

Description

Combined vehicle lower bumper

Technical Field

The utility model belongs to the technical field of bumpers, and particularly relates to a combined type vehicle lower bumper.

Background

The automobile bumper is a safety device for absorbing and relieving external impact force and protecting the front and rear parts of the automobile body, and is stamped into channel steel by using a steel plate for many years, riveted or welded with a frame longitudinal beam, and has a large gap with the automobile body, so that the automobile bumper is quite unsightly. Along with the development of automobile industry and the large amount of application of engineering plastics in automobile industry, automobile bumpers have also moved to an innovative road as an important safety device, the existing bumpers are all connected with a vehicle body through bolts or buckles, the bolts need specific tools to be installed and detached, and the connection mode of the buckles requires larger external force during clamping, the elastic clamping pieces are used for deformation to install, then when the clamping positions are required to be readjusted or the bumpers are detached, larger external force is required to separate the clamping pieces, and damage to the buckles is very easy to occur in the process, so that the installation and the detachment are very complicated, and the bumpers are safety devices for protecting the front and rear parts of the vehicle body, so that the bumpers need higher structural strength for protecting the front and rear parts of the vehicle body.

Disclosure of Invention

Aiming at the defects, the utility model provides the combined vehicle lower bumper which has high structural strength, effectively protects the vehicle body safely, is convenient to install and detach, and is convenient to maintain and replace in the later period.

The technical scheme adopted for solving the technical problems is as follows: the combined type vehicle lower bumper comprises a cross beam, a first bumper main body positioned above the cross beam and a second bumper main body fixedly assembled on the first bumper main body, wherein first sliding grooves are symmetrically formed in two sides of the upper surface of the cross beam, connecting arms in vertical upward states are slidably arranged in the first sliding grooves, the top ends of the connecting arms extend to the outer parts of the first sliding grooves, clamping pieces are arranged on one sides of the connecting arms outside the first sliding grooves, first through holes communicated with the first sliding grooves are horizontally formed in two sides of the cross beam, fixing rods are slidably arranged in the first through holes, one ends of the fixing rods penetrate through the first through holes and are fixedly connected with the connecting arms inside the first sliding grooves, holding blocks are arranged on the fixing rods outside the first through holes, springs are sleeved on the fixing rods inside the first sliding grooves, one ends of the springs are in butt joint with the connecting arms, and the other ends of the springs are in butt joint with the inner walls of the first sliding grooves;

the bottom of the first bumper main body is provided with a second chute at a position corresponding to the first chute, and one side of the second chute is provided with a clamping opening matched with the clamping piece;

the beam is provided with a quick locking component for forming locking force between the fixing rod and the first through hole.

Further, the size of the holding block is larger than the inner diameter of the first through hole.

Further, the locking subassembly includes constant head tank, second through-hole, third through-hole, screw rod, knob, the constant head tank is seted up on the inside top of first through-hole, and the second through-hole is vertical to be seted up on the dead lever of first through-hole inside, after screens piece and block mouth block, the second through-hole is linked together with the constant head tank, the bottom at the inside of first through-hole is vertically seted up to the third through-hole, and the third through-hole is in same axis with the constant head tank, knob fixed mounting is in screw rod one end, the screw rod other end runs through third through-hole, second through-hole and constant head tank threaded connection.

Furthermore, dovetail guide grooves are formed in the inner walls of the two ends of the first sliding groove, dovetail sliding blocks are arranged at the two ends of the connecting arm, and the dovetail sliding blocks are in sliding connection with the dovetail guide grooves.

Further, the rear end face of the second bumper main body is provided with a plurality of oblique reinforcing ribs which are arranged in a crossing mode.

The beneficial effects of the utility model are as follows:

according to the utility model, through the cooperation arrangement of the first sliding groove, the connecting arm, the clamping piece, the fixing rod, the holding block, the spring, the second sliding groove, the clamping opening and the locking mechanism, the connecting arm is driven to move towards the first through hole by the fixing rod through pulling the holding block, the spring is elastically deformed, after the second sliding groove of the first bumper main body corresponds to the first sliding groove, the top end of the connecting arm and the clamping piece are positioned in the second sliding groove, the holding block is loosened, the spring is reset, the clamping piece is driven to be clamped with the clamping opening, the spring always applies a pushing force, the clamping piece is firmly clamped with the clamping opening, the clamping piece is separated from the clamping opening through pulling the holding block, and the dismounting is completed, so that the dismounting is convenient, and the rear maintenance and the replacement are convenient.

According to the utility model, through the matched arrangement of the cross beam, the first bumper main body, the second bumper main body and the inclined reinforcing ribs and the multi-layer combined structure, the overall structural strength and rigidity of the bumper are higher, so that the bumper has better protective performance, and the safety protection of a vehicle body can be effectively carried out.

Drawings

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

Fig. 1 is a front view of the present utility model.

Fig. 2 is a side cross-sectional view of a first chute of the present utility model.

Fig. 3 is a partial rear view of the second bumper body of the present utility model.

Wherein: 1. a cross beam; 2. a first bumper body; 3. a second bumper body; 4. a first chute; 5. a connecting arm; 6. a clamping piece; 7. a first through hole; 8. a fixed rod; 9. a grip block; 10. a spring; 11. a second chute; 12. a clamping opening; 13. a positioning groove; 14. a second through hole; 15. a third through hole; 16. a screw; 17. a knob; 18. dovetail-shaped guide grooves; 19. dovetail-shaped sliding blocks; 20. and (5) oblique reinforcing ribs.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

Referring to fig. 1-3, the combined vehicle lower bumper comprises a cross beam 1, a first bumper body 2 positioned above the cross beam 1, and a second bumper body 3 fixedly assembled on the first bumper body 2, wherein the second bumper body 3 is fixedly assembled with the first bumper body 2 through bolts, the structure of the multi-layer combination ensures that the overall structural strength and rigidity of the bumper are higher, the bumper has better protective performance, the safety protection of a vehicle body can be effectively carried out, first sliding grooves 4 are symmetrically arranged on two sides of the upper surface of the cross beam 1, connecting arms 5 in a vertical upward state are slidably arranged in the first sliding grooves 4, the top ends of the connecting arms 5 extend to the outside of the first sliding grooves 4, clamping pieces 6 are arranged on one side of the connecting arms 5 outside the first sliding grooves 4, first through holes 7 communicated with the first sliding grooves 4 are horizontally arranged on two sides of the cross beam 1, fixing rods 8 are fixedly connected with the connecting arms 5 inside the first through holes 7, the fixing rods 8 drive the connecting arms 5 to slide inside the first sliding grooves 4, the other ends of the connecting arms 4 are connected with the first through holes 7 in a sleeved mode, springs are correspondingly arranged on the other sides of the first sliding grooves 4, and the first sliding grooves 4 are correspondingly connected with the first through holes 10 and the first sliding grooves 4, and the first side of the first sliding grooves 4 are correspondingly connected with the first through holes 4, and the first side of the first through holes 4 are connected with the first through holes 4.

During installation, the holding block 9 is pulled, the fixing rod 8 drives the connecting arm 5 to move towards the first through hole 7 by combining the clamping piece 6, the connecting arm 5 and the spring 10 are elastically deformed, after the second sliding groove 11 of the first bumper main body 2 corresponds to the first sliding groove 4, the top end of the connecting arm 5 and the clamping piece 6 are positioned in the second sliding groove 11, the holding block 9 is loosened, the spring 10 rebounds, the connecting arm 5 and the clamping piece 6 are driven to reset, the clamping piece 6 is clamped with the clamping opening 12, the spring 10 always applies a pushing force, the clamping piece 6 and the clamping opening 12 are firmly clamped, the clamping piece 6 and the clamping opening 12 are separated by pulling the holding block 9, the disassembly can be completed, the installation and the disassembly are convenient, and the later maintenance and the replacement are convenient.

The beam 1 is provided with a quick locking component for forming locking force between the fixing rod 8 and the first through hole 7, the locking component comprises a positioning groove 13, a second through hole 14, a third through hole 15, a screw 16 and a knob 17, the positioning groove 13 is arranged at the top end inside the first through hole 7, the second through hole 14 is vertically arranged on the fixing rod 8 inside the first through hole 7, after the clamping piece 6 is clamped with the clamping opening 12, the second through hole 14 is communicated with the positioning groove 13, the third through hole 15 is vertically arranged at the bottom end inside the first through hole 7, the third through hole 15 and the positioning groove 13 are positioned on the same central axis, the knob 17 is fixedly assembled at one end of the screw 16, the other end of the screw 16 penetrates through the third through hole 15, the second through hole 14 and the positioning groove 13 in threaded connection, after the clamping piece 6 and the clamping opening 12 are matched in place, the positioning groove 13, the second through hole 14 and the third through hole 15 are positioned on the same central axis, the screw 16 is inserted into the second through hole 14 and the third through hole 15 to be in contact with the inner wall of the positioning groove 13, the knob 17 is rotated, so that the screw 16 is connected with the positioning groove 13 and the fixing rod 8 is further transversely connected with the fixing rod 8, namely, the clamping piece 8 can be locked and locked with the fixing rod 8.

The size of the holding block 9 is larger than the inner diameter of the first through hole 7, so that the fixing rod 8 can stably slide in the first through hole 7.

The dovetail guide grooves 18 are formed in the inner walls of the two ends of the first sliding groove 4, the dovetail sliding blocks 19 are arranged at the two ends of the connecting arm 5, the dovetail sliding blocks 19 are in sliding connection with the dovetail guide grooves 18, the dovetail sliding blocks 19 are matched with the dovetail guide grooves 18, the connecting arm 5 moves more stably, the dovetail sliding blocks 19 and the dovetail guide grooves 18 are matched with each other in a dovetail structure, the movement precision is high, the movement is smoother, and the break-loose phenomenon between the sliding blocks and the sliding grooves caused by vibration in running can be effectively prevented.

The rear end face of the second bumper main body 3 is provided with a plurality of crossed inclined reinforcing ribs 20, and the inclined reinforcing ribs 20 further increase the structural strength of the second bumper main body 3 and effectively improve the protective performance of the second bumper main body.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, but any simple modification or equivalent variation of the above embodiment according to the technology of the present utility model falls within the scope of the present utility model.

Claims (5)

1. The combined type vehicle lower bumper is characterized by comprising a cross beam (1), a first bumper main body (2) positioned above the cross beam (1) and a second bumper main body (3) fixedly assembled on the first bumper main body (2), wherein first sliding grooves (4) are symmetrically formed in two sides of the upper surface of the cross beam (1), connecting arms (5) in a vertical upward state are slidably arranged in the first sliding grooves (4), the top ends of the connecting arms (5) extend to the outer parts of the first sliding grooves (4), clamping pieces (6) are arranged on one side of the connecting arms (5) outside the first sliding grooves (4), first through holes (7) communicated with the first sliding grooves (4) are horizontally formed in two sides of the cross beam (1), fixing rods (8) are arranged in a sliding mode, one ends of the fixing rods (8) penetrate through the first through holes (7) and the connecting arms (5) in the first sliding grooves (4), the other ends of the fixing rods extend to the outer parts of the first through holes (7), a holding block (9) is arranged on the outer parts of the first through holes (7), and the fixing rods (7) are connected with one ends of the first sliding grooves (10) in a mode, the other end is abutted with the inner wall of the first chute (4);

a second chute (11) is formed in the bottom of the first bumper main body (2) at a position corresponding to the first chute (4), and a clamping opening (12) matched with the clamping piece (6) is formed in one side of the second chute (11);

the beam (1) is provided with a quick locking component for forming locking force between the fixing rod (8) and the first through hole (7).

2. The combination vehicle lower bumper of claim 1, wherein: the size of the holding block (9) is larger than the inner diameter of the first through hole (7).

3. The combination vehicle lower bumper of claim 1, wherein: the locking assembly comprises a positioning groove (13), a second through hole (14), a third through hole (15), a screw rod (16) and a knob (17), wherein the positioning groove (13) is formed in the top end of the inside of the first through hole (7), the second through hole (14) is vertically formed in a fixing rod (8) inside the first through hole (7), after a clamping piece (6) is clamped with a clamping opening (12), the second through hole (14) is communicated with the positioning groove (13), the third through hole (15) is vertically formed in the bottom end of the inside of the first through hole (7), the third through hole (15) and the positioning groove (13) are located on the same central axis, the knob (17) is fixedly assembled at one end of the screw rod (16), and the other end of the screw rod (16) penetrates through the third through hole (15), and the second through hole (14) and is in threaded connection with the positioning groove (13).

4. The combination vehicle lower bumper of claim 1, wherein: dovetail guide grooves (18) are formed in the inner walls of the two ends of the first sliding groove (4), dovetail sliding blocks (19) are arranged at the two ends of the connecting arm (5), and the dovetail sliding blocks (19) are in sliding connection with the dovetail guide grooves (18).

5. The combination vehicle lower bumper of claim 1, wherein: the rear end face of the second bumper main body (3) is provided with a plurality of oblique reinforcing ribs (20) which are arranged in a crossing way.