CN218703478U

CN218703478U - Enclose bottom end rail after convenient to dismantle

Info

Publication number: CN218703478U
Application number: CN202223142349.8U
Authority: CN
Inventors: 戴学福; 陈雪红; 张兴邦; 秦少虎; 刘军
Original assignee: Shiyan Houfa Auto Parts Co ltd
Current assignee: Shiyan Houfa Auto Parts Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-03-24
Anticipated expiration: 2032-11-25

Abstract

The utility model discloses a enclose bottom end rail after convenient to dismantle, including fixture to and install in the inside centre gripping motor of fixture, two be provided with bottom end rail mechanism between the fixture, and the both sides fixed mounting of bottom end rail mechanism has the reinforcement crossbeam, fixture includes top grip block and bottom grip block, the bottom one side fixed mounting of top grip block and bottom grip block has meshing gear strip, the output fixedly connected with centre gripping axis of rotation of centre gripping motor, the middle part fixed mounting of centre gripping axis of rotation has the centre gripping gear, the one end fixed mounting that meshing gear strip was kept away from to the bottom of top grip block and bottom grip block has fixed stop, can dismantle fast to enclose the bottom end rail after the car through fixture, fixes top grip block and bottom grip block through fixed stop and limit stop, when avoiding the car to collide, causes the damage of top grip block and bottom grip block.

Description

Enclose bottom end rail after convenient to dismantle

Technical Field

The utility model relates to an auto-parts technical field specifically is a enclose bottom end rail after convenient to dismantle.

Background

The front bumper anti-collision beam can distribute energy generated by any type of offset and frontal collision to the two energy-absorbing brackets as uniformly as possible when the vehicle collides, so that the energy is absorbed by the energy-absorbing brackets to the maximum extent uniformly, and the collision force is transmitted to other energy-absorbing parts uniformly.

The publication No. CN210101764U discloses an automobile beam, which utilizes the width of a connecting part to be greater than the widths of a straight groove part and a transition part, so that the connecting part can bear larger load and is not easy to bend and deform, the transition part is arc-shaped and bends downwards, so that the height from the connecting part to the transition part is gradually increased, the strength of the transition part is improved by increasing the thickness, a raised strengthening zone is arranged on the bottom surfaces of the connecting part and the transition part, a strengthening rib is arranged at the bottom of the strengthening zone, and the strength of the connecting part and the transition part is further improved by matching the strengthening rib with the strengthening zone; the strengthening rib has all been set up with the lateral wall in the bottom of crossbeam body, has promoted the holistic intensity of crossbeam body, but this patent still has following problem in the in-service use:

present automobile crossbeam adopts welded mode and longeron to be connected mostly, when the car bumps, huge impact force can cause the deformation of frame, passenger and driver's safety in order to ensure the car, through increasing the car after enclose the bottom end rail and resist the car produced impact force when the collision, however, enclose the bottom end rail behind the current car and adopt bolt or welded form to consolidate the vehicle mostly, thereby increase the crashworthiness of vehicle, when the car bumps, the after of car encloses the bottom end rail and can avoid producing deformation, need maintain, however, adopt welded mode to be difficult to dismantle the bottom end rail after enclosing the car, be unfavorable for carrying out the maintenance of after enclosing the bottom end rail, when the mode that adopts the bolt is connected, when the vehicle produces the collision, can lead to the deformation of bolt and nut, need cut and can just can enclose after with and measure and take out, it is not practical.

A rear wall lower beam convenient to disassemble is provided so as to solve the problems provided in the above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a enclose bottom end rail after convenient to dismantle, enclose the bottom end rail behind the current car that provides with solving above-mentioned background art and adopt bolt or welded form to consolidate the vehicle mostly, thereby increase the crashworthiness of vehicle, when the vehicle bumps, enclose the bottom end rail after the car and can unavoidably produce deformation, need maintain, however, adopt the welded mode to be difficult to enclose the bottom end rail after the car and dismantle, be unfavorable for carrying out the maintenance of enclosing the bottom end rail after carrying out, when the mode of adopting the bolt is connected, when the vehicle produces the collision, can lead to the deformation of bolt and nut, need cut and just can enclose after with and measure and take out, very unpractical problem.

In order to achieve the above object, the utility model provides a following technical scheme: a conveniently-detachable rear wall lower cross beam comprises a clamping mechanism and a clamping motor arranged in the clamping mechanism;

a lower cross beam mechanism is arranged between the two clamping mechanisms, and reinforcing cross beams are fixedly arranged on two sides of the lower cross beam mechanism;

further comprising:

the clamping mechanism comprises a top clamping plate and a bottom clamping plate, and meshing gear bars are fixedly arranged on one sides of the bottoms of the top clamping plate and the bottom clamping plate;

wherein, the output fixedly connected with centre gripping axis of rotation of centre gripping motor, the middle part fixed mounting of centre gripping axis of rotation has the centre gripping gear, the one end fixed mounting that the meshing rack was kept away from to the bottom of top grip block and bottom grip block has fixed stop, one side of fixed stop rotates and is connected with a plurality of limit baffle.

Preferably, the lower beam mechanism comprises a first beam and a second beam, a beam telescopic rod is fixedly connected between the first beam and the second beam, a first cushioning spring is arranged on the outer side of the beam telescopic rod, the first beam and the second beam are connected with a reinforcing baffle plate in a vertically symmetrical mode, a rotating sliding groove is formed in the portion, close to the bottom of the reinforcing baffle plate, of the portion of the first beam and the second beam, and a reinforcing rotating shaft is arranged in the portion of the rotating sliding groove and the bottom of the reinforcing baffle plate.

Preferably, the bottom of the reinforcing rotating shaft is rotatably connected with a return spring sleeve, an expansion spring is fixedly mounted inside the return spring sleeve, a reinforcing sliding rod is fixedly mounted at the bottom of the expansion spring, and the reinforcing sliding rod is rotatably connected with the reinforcing rotating shaft.

Preferably, the both sides symmetry of reinforcement crossbeam installs the bradyseism and rotates the seat, the inside rotation that the bradyseism rotated the seat is connected with first spring axis of rotation, the one end fixed mounting of first spring axis of rotation has the spring telescopic link, the outside of spring telescopic link is provided with the second bradyseism spring, the tip fixed mounting of second bradyseism spring has the second spring axis of rotation.

Preferably, the first cross beam and the second cross beam are fixedly provided with a cushioning sponge at one end far away from the telescopic rod of the cross beam.

Preferably, the two ends of the first cushioning spring are fixedly connected with the telescopic rod of the cross beam, and the reinforcing cross beam is fixedly connected with the first cross beam and the second cross beam.

Preferably, the clamping gear is meshed with the meshing gear strip, and the clamping motor is fixedly installed inside the first cross beam and the second cross beam.

Compared with the prior art, the beneficial effects of the utility model are that: this enclose bottom end rail after convenient to dismantle carries out the centre gripping through setting up fixture to the frame of car fixed, can consolidate the frame of car through setting up bottom end rail mechanism to improve the crashproof ability of car, its concrete content is as follows:

1. the clamping mechanism is arranged to clamp and fix a frame of an automobile, the meshing gear strips on two sides are driven to rotate through the clamping motor, so that the top clamping plate and the bottom clamping plate on two sides of the meshing gear strips slide up and down at the end parts of the first cross beam and the second cross beam, and the longitudinal cross beam of the automobile is clamped and fixed;

2. can consolidate the frame of car through setting up bottom end rail mechanism, thereby improve the crashworthiness of car, can improve the rigidity of first crossbeam and second crossbeam through consolidating the crossbeam, and simultaneously, when the car bumps, first bradyseism spring and crossbeam telescopic link can carry out the bradyseism of vertical direction to first crossbeam and second crossbeam, can carry out the bradyseism to the horizontal direction of first crossbeam and second crossbeam through spring telescopic link and second bradyseism spring, cause the deformation of first crossbeam and second crossbeam when avoiding the car to bump.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a top view of a clamping gear according to the present invention;

FIG. 3 is an enlarged schematic view of the area A of FIG. 1 according to the present invention;

FIG. 4 is a schematic view of a locking structure of the middle reinforcing baffle of the present invention;

fig. 5 is a schematic view of the overall top view structure of the present invention.

In the figure: 1. a clamping mechanism; 101. a top clamping plate; 102. a bottom clamping plate; 103. engaging a gear rack; 104. a clamping motor; 105. clamping the rotating shaft; 106. clamping the gear; 107. fixing a baffle plate; 108. a limit baffle; 2. a lower beam mechanism; 201. a first cross member; 202. a second cross member; 203. a beam telescopic rod; 204. a first cushioning spring; 205. reinforcing the cross beam; 206. reinforcing the baffle; 207. rotating the sliding groove; 208. reinforcing the rotating shaft; 209. a return spring housing; 210. a tension spring; 211. reinforcing the sliding rod; 212. a cushioning rotating seat; 213. a first spring rotating shaft; 214. a spring telescopic rod; 215. a second cushioning spring; 216. a second spring rotating shaft; 217. a cushioning sponge.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a rear wall lower beam convenient to disassemble comprises clamping mechanisms 1 and a clamping motor 104 arranged inside the clamping mechanisms 1, wherein a lower beam mechanism 2 is arranged between the two clamping mechanisms 1, reinforcing cross beams 205 are fixedly arranged on two sides of the lower beam mechanism 2, the clamping mechanism 1 comprises a top clamping plate 101 and a bottom clamping plate 102, a meshing gear strip 103 is fixedly arranged on one side of the bottom of each of the top clamping plate 101 and the bottom clamping plate 102, a clamping rotating shaft 105 is fixedly connected to the output end of the clamping motor 104, a clamping gear 106 is fixedly arranged in the middle of the clamping rotating shaft 105, a fixed baffle 107 is fixedly arranged on one end, far away from the meshing gear strip 103, of the bottom of each of the top clamping plate 101 and the bottom clamping plate 102, a plurality of limiting baffles 108 are rotatably connected to one side of the fixed baffle 107, clamping gear 106 is connected with meshing gear strip 103 meshing, clamping motor 104 fixed mounting is in the inside of first crossbeam 201 and second crossbeam 202, it is fixed to carry out the centre gripping through setting up fixture 1 to the frame of car, meshing gear strip 103 through clamping motor 104 drive both sides rotates, make top grip block 101 and bottom grip block 102 of meshing gear strip 103 both sides slide from top to bottom at the tip of first crossbeam 201 and second crossbeam 202, thereby it is fixed to carry out the centre gripping to the longitudinal beam of car, when the vehicle need maintain, can enclose the bottom end rail behind the car and dismantle fast through fixture 1, fix top grip block 101 and bottom grip block 102 through fixed stop 107 and limit stop 108, when avoiding the car to collide, cause the damage of top grip block 101 and bottom grip block 102.

The lower beam mechanism 2 comprises a first beam 201 and a second beam 202, a beam telescopic rod 203 is fixedly connected between the first beam 201 and the second beam 202, a first cushioning spring 204 is arranged on the outer side of the beam telescopic rod 203, reinforcing baffles 206 are rotationally connected inside the first beam 201 and the second beam 202 in an up-down symmetrical mode, a rotating sliding groove 207 is formed in the inner portions of the first beam 201 and the second beam 202, the bottom of the reinforcing baffles 206 is close to the bottom, a reinforcing rotating shaft 208 is arranged inside the rotating sliding groove 207 and the bottom of the reinforcing baffles 206, a return spring sleeve 209 is rotationally connected to the bottom of the reinforcing rotating shaft 208, a telescopic spring 210 is fixedly installed inside the return spring sleeve 209, a reinforcing sliding rod 211 is fixedly installed at the bottom of the telescopic spring 210, the reinforcing sliding rod 211 is rotationally connected with the reinforcing rotating shaft 208, cushioning rotating seats 212 are symmetrically installed on two sides of the reinforcing beam 205, and a first spring rotating shaft 213 is rotationally connected inside the cushioning rotating seats 212, a spring telescopic rod 214 is fixedly installed at one end of the first spring rotating shaft 213, a second cushioning spring 215 is arranged outside the spring telescopic rod 214, a second spring rotating shaft 216 is fixedly installed at the end part of the second cushioning spring 215, a cushioning sponge 217 is fixedly installed at one end, far away from the beam telescopic rod 203, of the first cross beam 201 and the second cross beam 202, two ends of the first cushioning spring 204 are fixedly connected with the beam telescopic rod 203, the reinforcing cross beam 205 is fixedly connected with the first cross beam 201 and the second cross beam 202, the frame of the automobile can be reinforced by arranging the lower cross beam mechanism 2, so that the anti-collision capacity of the automobile is improved, the rigidity of the first cross beam 201 and the second cross beam 202 can be improved by the reinforcing cross beam 205, and meanwhile, when the automobile collides, the first cushioning spring 204 and the beam telescopic rod 203 can perform vertical cushioning on the first cross beam 201 and the second cross beam 202, the horizontal directions of the first cross beam 201 and the second cross beam 202 can be cushioned through the spring telescopic rod 214 and the second cushioning spring 215, and deformation of the first cross beam 201 and the second cross beam 202 caused by collision of the automobile is avoided.

The working principle is as follows: before the conveniently-detached rear wall lower cross beam is used, the overall condition of the device needs to be checked firstly, and normal operation is determined, as shown in fig. 1-5, firstly, when the clamping mechanism 1 is used, the rear wall lower cross beam of the automobile needs to be placed on a frame of the automobile, the clamping motor 104 is started to drive the engaging gear strips 103 on two sides of the top clamping plate 101 and the bottom clamping plate 102 to rotate, so that the top clamping plate 101 and the bottom clamping plate 102 slide up and down on the end portions of the first cross beam 201 and the second cross beam 202, and thus, a longitudinal cross beam of the automobile frame is clamped and fixed, when the automobile needs to be maintained, the rear wall lower cross beam of the automobile can be rapidly detached through the clamping mechanism 1, the top clamping plate 101 and the bottom clamping plate 102 are fixed through the fixed baffle 107 and the limit baffle 108, so that the top clamping plate 101 and the bottom clamping plate 102 are prevented from being damaged when the automobile collides, secondly, the rigidity of the first cross beam 201 and the second cross beam 202 can be improved through the reinforced cross beam 205, when the automobile collides, the first damping spring 204 and the second damping spring 203 can improve the horizontal deformation performance of the first cross beam 201 and the anti-collision cross beam 202, and the telescopic rod of the anti-collision beam 201 and the anti-collision beam 202, so that the anti-collision safety cross beam 201 and the anti-collision cross beam 202 can be improved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A conveniently-detachable rear wall lower cross beam comprises a clamping mechanism (1) and a clamping motor (104) arranged inside the clamping mechanism (1);

a lower beam mechanism (2) is arranged between the two clamping mechanisms (1), and reinforcing beams (205) are fixedly arranged on two sides of the lower beam mechanism (2);

it is characterized by also comprising:

the clamping mechanism (1) comprises a top clamping plate (101) and a bottom clamping plate (102), and meshing gear bars (103) are fixedly mounted on one sides of the bottoms of the top clamping plate (101) and the bottom clamping plate (102);

wherein, the output fixedly connected with centre gripping axis of rotation (105) of centre gripping motor (104), the middle part fixed mounting of centre gripping axis of rotation (105) has centre gripping gear (106), the one end fixed mounting that meshing rack (103) were kept away from to the bottom of top grip block (101) and bottom grip block (102) has fixed stop (107), one side of fixed stop (107) is rotated and is connected with a plurality of limit baffle (108).

2. The easy-to-detach lower back wall beam as claimed in claim 1, wherein: lower beam mechanism (2) include first crossbeam (201) and second crossbeam (202), fixedly connected with crossbeam telescopic link (203) between first crossbeam (201) and second crossbeam (202), the outside of crossbeam telescopic link (203) is provided with first bradyseism spring (204), the inside longitudinal symmetry of first crossbeam (201) and second crossbeam (202) rotates and is connected with reinforcing baffle (206), the inside of first crossbeam (201) and second crossbeam (202) is close to the bottom of reinforcing baffle (206) and has seted up rotating sliding groove (207), the inside of rotating sliding groove (207) and the bottom of reinforcing baffle (206) are provided with reinforcing axis of rotation (208).

3. The easy-to-detach lower back wall beam as claimed in claim 2, wherein: the bottom of consolidating axis of rotation (208) rotates and is connected with reset spring cover (209), the inside fixed mounting of reset spring cover (209) has expanding spring (210), the bottom fixed mounting of expanding spring (210) has consolidating slide bar (211), consolidating slide bar (211) and consolidating axis of rotation (208) and rotating and being connected.

4. The conveniently detachable lower rear wall beam as claimed in claim 3, wherein: the both sides symmetry of consolidating crossbeam (205) installs the bradyseism and rotates seat (212), the inside rotation that the bradyseism rotated seat (212) is connected with first spring axis of rotation (213), the one end fixed mounting of first spring axis of rotation (213) has spring telescopic link (214), the outside of spring telescopic link (214) is provided with second bradyseism spring (215), the tip fixed mounting of second bradyseism spring (215) has second spring axis of rotation (216).

5. The easy-to-detach lower back wall crossbeam according to claim 2, wherein: and one ends of the first cross beam (201) and the second cross beam (202) far away from the cross beam telescopic rod (203) are fixedly provided with shock absorption sponges (217).

6. The easy-to-detach lower back wall crossbeam according to claim 2, wherein: the two ends of the first cushioning spring (204) are fixedly connected with a cross beam telescopic rod (203), and the reinforcing cross beam (205) is fixedly connected with the first cross beam (201) and the second cross beam (202).

7. The easy-to-detach lower back wall beam as claimed in claim 1, wherein: the clamping gear (106) is in meshed connection with the meshing gear rack (103), and the clamping motor (104) is fixedly installed inside the first cross beam (201) and the second cross beam (202).