CN213322977U

CN213322977U - Rear-end collision prevention device for passenger car

Info

Publication number: CN213322977U
Application number: CN202022338409.8U
Authority: CN
Inventors: 李中泽; 吴剑雄; 吴林峰; 周永俊; 周昱勋
Original assignee: Yunnan Xiongxin Automobile Co ltd
Current assignee: Yunnan Xiongxin Automobile Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-06-01
Anticipated expiration: 2030-10-20

Abstract

The utility model provides a passenger train is with preventing device that knocks into back belongs to and prevents technical field that knocks into back. The rear-end collision prevention device for the passenger car comprises a fixing mechanism and an anti-collision mechanism, wherein the fixing mechanism comprises a cross rod and a support, the support is fixed on the cross bar, the anti-collision mechanism comprises bases, a first support rod, a first spring, a second support rod, a second spring, a baffle and an electric telescopic rod, the two bases are sleeved on the two sides of the cross bar in a sliding manner, a cavity is arranged in the first supporting rod, the first spring is fixed in the first supporting rod, one side of the baffle is provided with a through hole, the baffle is fixed at one end of the second spring far away from the second supporting rod, the electric telescopic rod is connected on the bracket in a sliding way, one end of the electric telescopic rod is inserted into the through hole, this passenger train is with preventing device that knocks into back utilizes the cooperation of baffle and spring for inelastic collision turns into elastic collision, has reduced the damage that the collision brought.

Description

Rear-end collision prevention device for passenger car

Technical Field

The utility model relates to a prevent the field of knocking into the back particularly, relate to a passenger train is with preventing device that knocks into the back.

Background

The rear-end collision is a behavior that when a vehicle running on the same lane follows behind, the head of a rear vehicle collides with the tail of a front vehicle. Mainly due to the following distance being less than the minimum safe distance and slow response by the driver or poor performance of the braking system.

At present, bumpers are generally arranged at the front and the rear of a vehicle to prevent rear-end collision, but the bumpers generally have inelastic collision to cause serious damage to the vehicle.

SUMMERY OF THE UTILITY MODEL

In order to compensate the above insufficiency, the utility model provides a passenger train is with preventing device that knocks into back aims at improving the serious problem of damage that direct collision leads to.

The utility model discloses a realize like this:

the utility model provides a passenger train is with preventing device that knocks into back, including fixed establishment and anticollision institution.

The fixing mechanism comprises a cross rod and a support, and the support is fixed on the cross rod.

Anticollision institution includes base, first branch, first spring, second branch, second spring, baffle and electric telescopic handle, the base is equipped with two, two the base slides and cup joints the horizontal pole both sides, first branch is fixed one the base surface, the cavity has been seted up to first branch inside, first spring is fixed in the first branch, second branch is fixed first spring one end, second branch sliding connection be in the first branch, the second spring is fixed second branch is kept away from the one end of first spring, a through-hole has been seted up to baffle one side, the baffle is fixed the second spring is kept away from the one end of second branch, electric telescopic handle sliding connection be in on the support, electric telescopic handle one end inserts in the through-hole.

In an embodiment of the present invention, the two sides of the horizontal rod are provided with grooves.

The utility model discloses an in one embodiment, the base includes first sleeve and connecting plate, first sleeve slides and cup joints in the recess, connecting plate one end is fixed on the first sleeve, the connecting plate other end is fixed first branch pole one end.

In an embodiment of the invention, the second strut length is greater than the first strut length.

The utility model discloses an in one embodiment, the baffle includes first block and second block, first block is fixed second spring one end, the second block is close to the through-hole has been seted up to electric telescopic handle one side.

In an embodiment of the present invention, the bracket includes a third supporting rod and a fourth supporting rod, the third supporting rod is fixed on the horizontal rod, the fourth supporting rod is fixed on the third supporting rod, and the fourth supporting rod is parallel to and spaced from the first supporting rod.

In an embodiment of the present invention, a distance between the fourth supporting rod and the first supporting rod is less than the length of the electric telescopic rod.

The utility model discloses an in an embodiment, the electric telescopic handle output is equipped with the fixture block, the fixture block is equipped with two, fixture block one end is fixed electric telescopic handle one end, the fixture block other end with the second block laminating.

The utility model discloses an in one embodiment, electric telescopic handle keeps away from the one end of baffle is fixed with the second sleeve, electric telescopic handle passes through second sleeve sliding connection cup joints on the fourth branch.

In an embodiment of the present invention, a through hole is formed on the surface of the second sleeve, a bolt is disposed in the through hole, and the bolt abuts against the fourth supporting rod.

The utility model has the advantages that: the utility model discloses a passenger train that above-mentioned design obtained is with preventing device that knocks into back, during the use, fix the horizontal pole in vehicle bottom bumper position, promote the baffle and push second spring and second branch in the first branch, through-hole on the second block just is just to fixing the electric telescopic handle output in support one end, utilize electric telescopic handle to block the baffle, when taking place the vehicle and knocks into back, vehicle radar system withdraws electric telescopic handle automatically, because the effect of first spring and second spring is released the baffle from the vehicle bottom, the impact of opposite side vehicle can be blockked to the baffle, this passenger train is with preventing device that knocks into back utilizes the cooperation of baffle and spring, make inelastic collision turn into elastic collision, the damage that the collision brought has been reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of the overall structure of a rear-end collision prevention device for a passenger car according to an embodiment of the present invention;

fig. 2 is a schematic structural view of an anti-collision mechanism provided in an embodiment of the present invention;

fig. 3 is a schematic structural view of a fixing mechanism according to an embodiment of the present invention;

fig. 4 is a schematic view of a bracket structure provided by an embodiment of the present invention.

In the figure: 100-a securing mechanism; 110-a cross-bar; 111-grooves; 120-a scaffold; 121-a third strut; 122-a fourth strut; 200-an anti-collision mechanism; 210-a base; 211-a first sleeve; 212-a connecting plate; 220-a first strut; 230-a first spring; 240-a second strut; 250-a second spring; 260-a baffle; 261-a via; 262-a first block; 263-second block; 270-an electric telescopic rod; 271-fixture block; 272-a second sleeve; 273-bolt.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

Referring to fig. 1, the present invention provides a technical solution: the rear-end collision prevention device for the passenger car comprises a fixing mechanism 100 and an anti-collision mechanism 200, wherein the anti-collision mechanism 200 is rotatably connected to the fixing mechanism 100.

Referring to fig. 1 and 3, the fixing mechanism 100 includes a cross bar 110 and a bracket 120, two sides of the cross bar 110 are provided with grooves 111, the grooves 111 facilitate the rotation of the anti-collision mechanism 200 on the fixing mechanism 100, the bracket 120 is fixed on the cross bar 110, the bracket 120 includes a third supporting rod 121 and a fourth supporting rod 122, the third supporting rod 121 is fixed on the cross bar 110, the fourth supporting rod 122 is fixed on the third supporting rod 121, the distance between the fourth supporting rod 122 and the first supporting rod 220 is smaller than the length of the electric telescopic rod 270, and the fourth supporting rod 122 and the first supporting rod 220 are arranged in parallel at intervals.

Referring to fig. 2 and 4, the anti-collision mechanism 200 includes a base 210, two first struts 220, two first springs 230, two second struts 240, two second springs 250, a baffle 260 and an electric telescopic rod 270, the base 210 includes two first sleeves 211 and two connecting plates 212, the first sleeves 211 are slidably sleeved in the grooves 111, one end of the connecting plates 212 is fixed on the first sleeves 211, the other end of the connecting plates 212 is fixed on one end of the first struts 220, the two bases 210 are slidably sleeved on two sides of the cross bar 110, the first struts 220 are fixed on the surface of one base 210, a cavity is formed inside the first struts 220, the first springs 230 are fixed in the first struts 220, the second struts 240 are fixed on one ends of the first springs 230, the second struts 240 are slidably connected in the first struts 220, the length of the second struts 240 is greater than that of the first struts 220, the second springs 250 are fixed on ends of the second struts 240 far away from the first springs 230, one side of the baffle 260 is provided with a through hole 261, the baffle 260 is fixed at one end of the second spring 250 far away from the second supporting rod 240, the baffle 260 comprises a first block 262 and a second block 263, the first block 262 is fixed at one end of the second spring 250, one side of the second block 263 close to the electric telescopic rod 270 is provided with the through hole 261, the electric telescopic rod 270 is slidably connected to the bracket 120, one end of the electric telescopic rod 270 is inserted into the through hole 261, the output end of the electric telescopic rod 270 is provided with two clamping blocks 271, one end of each clamping block 271 is fixed at one end of the electric telescopic rod 270, the other end of each clamping block 271 is attached to the second block 263, the clamping blocks 271 are used for preventing the electric telescopic rod 270 from being difficult to retract in the through hole 261 due to the action of the elastic force of the second spring 250, one end of the electric telescopic rod 270 far, the bolt 273 abuts against the fourth supporting rod 122, the electric telescopic rod 270 is sleeved on the fourth supporting rod 122 through the sliding connection of the second sleeve 272, and the second sleeve 272 is used for adjusting the position of the electric telescopic rod 270 on the fourth supporting rod 122, so that the telescopic stroke of the baffle 260 is controlled to adapt to vehicles with different sizes.

Specifically, this passenger train is with preventing device theory of operation that knocks into back: in operation, fix horizontal pole 110 in vehicle bottom bumper position, promote baffle 260 and push into first branch 220 with second spring 250 and second branch 240, through-hole 261 on second block 263 just is just to fixing the electric telescopic handle 270 output at support 120 one end, utilize electric telescopic handle 270 to block baffle 260, utilize second sleeve 272 to adjust electric telescopic handle 270's position, thereby control the flexible stroke of baffle 260, in order to adapt to the not vehicle of equidimension, when taking place the vehicle and rear-end, electric telescopic handle 270 is withdrawed automatically to vehicle radar system, because the effect of first spring 230 and second spring 250 is released baffle 260 from the vehicle bottom, baffle 260 can block the impact of other side's vehicle.

It should be noted that the specific model specification of the electric telescopic rod 270 needs to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply of the electric telescopic bar 270 and the principle thereof will be clear to those skilled in the art and will not be described in detail herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A rear-end collision prevention device for a passenger car is characterized by comprising

The fixing mechanism (100) comprises a cross rod (110) and a bracket (120), and the bracket (120) is fixed on the cross rod (110);

the anti-collision mechanism (200) comprises a base (210), a first supporting rod (220), a first spring (230), a second supporting rod (240), a second spring (250), a baffle plate (260) and an electric telescopic rod (270), wherein the base (210) comprises two bases (210) which are sleeved on two sides of the cross rod (110) in a sliding manner, the first supporting rod (220) is fixed on the surface of one base (210), a cavity is formed in the first supporting rod (220), the first spring (230) is fixed in the first supporting rod (220), the second supporting rod (240) is fixed at one end of the first spring (230), the second supporting rod (240) is connected in the first supporting rod (220) in a sliding manner, and the second spring (250) is fixed at one end, far away from the first spring (230), of the second supporting rod (240), a through hole (261) has been seted up to baffle (260) one side, baffle (260) are fixed second spring (250) is kept away from the one end of second branch pole (240), electric telescopic handle (270) sliding connection be in on support (120), electric telescopic handle (270) one end is inserted in through hole (261).

2. A rear-end collision preventing device for passenger cars according to claim 1, characterized in that grooves (111) are formed on both sides of the cross bar (110).

3. The rear-end collision preventing device for the passenger car according to claim 2, wherein the base (210) comprises a first sleeve (211) and a connecting plate (212), the first sleeve (211) is slidably sleeved in the groove (111), one end of the connecting plate (212) is fixed on the first sleeve (211), and the other end of the connecting plate (212) is fixed on one end of the first strut (220).

4. A rear-end collision prevention device for a passenger car according to claim 2, wherein the length of the second strut (240) is greater than the length of the first strut (220).

5. The rear-end collision preventing device for the passenger car according to claim 1, wherein the baffle (260) comprises a first block (262) and a second block (263), the first block (262) is fixed at one end of the second spring (250), and a through hole (261) is formed in one side, close to the electric telescopic rod (270), of the second block (263).

6. The rear-end collision preventing device for the passenger car according to claim 1, wherein the bracket (120) comprises a third strut (121) and a fourth strut (122), the third strut (121) is fixed on the cross bar (110), the fourth strut (122) is fixed on the third strut (121), and the fourth strut (122) is arranged in parallel with and spaced apart from the first strut (220).

7. The rear-end collision preventing device for the passenger car according to claim 6, wherein the distance between the fourth strut (122) and the first strut (220) is smaller than the length of the electric telescopic rod (270).

8. The rear-end collision preventing device for the passenger car according to claim 5, wherein the output end of the electric telescopic rod (270) is provided with two clamping blocks (271), one end of each clamping block (271) is fixed at one end of the electric telescopic rod (270), and the other end of each clamping block (271) is attached to the second block (263).

9. The rear-end collision preventing device for the passenger car according to claim 6, wherein a second sleeve (272) is fixed at one end of the electric telescopic rod (270) far away from the baffle (260), and the electric telescopic rod (270) is connected to the fourth supporting rod (122) through the second sleeve (272) in a sliding connection mode.

10. The rear-end collision preventing device for the passenger car according to claim 9, wherein a second through hole is formed in the surface of the second sleeve (272), a bolt (273) is arranged in the second through hole, and the bolt (273) abuts against the fourth supporting rod (122).