Search

CN-224225025-U - Car tail protector and vehicle

CN224225025UCN 224225025 UCN224225025 UCN 224225025UCN-224225025-U

Abstract

The utility model discloses a vehicle tail protection device and a vehicle, wherein the vehicle tail protection device comprises a mounting frame, an anti-collision frame and a limit lock, the mounting frame is arranged at the vehicle tail and is provided with a hinge part, a first positioning hole and a second positioning hole, the anti-collision frame is arranged on the mounting frame in a swinging way through the hinge part and can deflect and switch between a storage position and a protection position, the limit lock is arranged on the anti-collision frame and is provided with a lock cylinder which can be arranged in a telescopic way, the lock cylinder can correspondingly penetrate into the first positioning hole so as to enable the anti-collision frame to be kept at the storage position, or the lock cylinder correspondingly penetrates into the second positioning hole so as to enable the anti-collision frame to be kept at the protection position, the anti-collision frame of the vehicle tail protection device can be selectively switched between the storage state and the protection state, the vehicle can adapt to more working conditions, and the switching operation is convenient and labor-saving.

Inventors

  • XU ZIHUA

Assignees

  • 中联重科股份有限公司

Dates

Publication Date
20260512
Application Date
20250528

Claims (10)

  1. 1. A vehicle tail protecting device is characterized in that, the tail guard includes: The mounting frame (1) is arranged at the tail of the vehicle and is provided with a hinge part (121), a first positioning hole (122) and a second positioning hole (123); The anti-collision frame (2) is arranged on the mounting frame (1) in a swinging way through the hinge part (121) and can be deflected and switched between a storage position and a protection position; The limiting lock (3), limiting lock (3) are located on the crashproof frame (2) and have lock core (33) that scalable set up, lock core (33) can correspond to penetrate first locating hole (122), so that crashproof frame (2) keep in storage position, or lock core (33) correspond to penetrate second locating hole (123), so that crashproof frame (2) keep in the guard position.
  2. 2. The tail guard according to claim 1, further comprising a stopper (4), the stopper (4) being provided on the mounting frame (1) and being provided with a first stop surface (41) and a second stop surface (42), the first stop surface (41) being adapted to abut against the bump frame (2) deflected to the stowed position so that the lock cylinder (33) is aligned with the first positioning hole (122), the second stop surface (42) being adapted to abut against the bump frame (2) deflected to the protecting position so that the lock cylinder (33) is aligned with the second positioning hole (123).
  3. 3. The tail guard as claimed in claim 2, characterized in that the first positioning hole (122) and the second positioning hole (123) are both located at the front side of the hinge portion (121), and the second positioning hole (123) is located at the upper sides of the hinge portion (121) and the first positioning hole (122), the stopper (4) is located at the rear side of the hinge portion (121) and has the first stopper surface (41) disposed forward and the second stopper surface (42) disposed downward, the crash frame (2) includes a frame body and a connection plate (21), the connection plate (21) is provided on the frame body and is formed with a deflection stopper surface that is attachable to the stopper (4) and is disposed in a deflection manner between the first stopper surface (41) and the second stopper surface (42).
  4. 4. A rear protection device according to claim 3, wherein the connecting plate (21) comprises a splicing part (212) and a locking part (211) which are sequentially connected, the splicing part (212) is arranged on the frame body and is communicated with the frame body to form a hinge hole, the locking part (211) extends out of the frame body and can be provided for the limiting lock (3), and the splicing part (212) is used for forming the deflection limiting surface facing one side of the limiting block (4).
  5. 5. The tail guard according to claim 4, wherein the deflection limiting surface includes a third limiting surface (213), an arc surface (214), and a fourth limiting surface (215) disposed in order from the locking portion (211) toward the extending direction of the splicing portion (212), the third limiting surface (213) being disposed so as to be in contact with the first limiting surface (41) when in the protecting position, the fourth limiting surface (215) being disposed so as to be in contact with the second limiting surface (42) when in the storing position, the arc surface (214) being disposed so as to extend along a second circumference having a center axis of the hinge hole as a circular axis; And/or the splicing part (212) is provided with a weight-reducing notch (216) at one side away from the deflection limiting surface.
  6. 6. The tail guard as claimed in any one of claims 1 to 5, wherein the limit lock (3) comprises a lock cylinder (31), a spring (32) and a lock cylinder (33), one end of the lock cylinder (31) is arranged open and connected with the anti-collision frame (2), the other end of the lock cylinder (31) is formed with an inner end surface (311), the lock cylinder (33) is arranged in the lock cylinder (31) in a penetrating manner and is formed with a step surface (331) facing the inner end surface (311), and the spring (32) is respectively elastically abutted against the inner end surface (311) and the step surface (331).
  7. 7. The tail guard according to claim 6, characterized in that one end of the lock cylinder (33) protrudes from the inner end surface (311) out of the lock cylinder (31) and is formed with a connecting portion, the limit lock (3) further comprises a handle seat (34), the handle seat (34) is hinged with the connecting portion, and a hinge point (341) of the handle seat (34) and the connecting portion is offset with respect to a center point of the handle seat (34).
  8. 8. The tail guard according to any one of claims 1 to 5, wherein the mounting frame (1) comprises a first mounting plate (11) and a second mounting plate (12) which are welded together, the first mounting plate (11) is provided with a plurality of bolt holes (111) for connecting with a frame, and the second mounting plate (12) is provided with the hinge part (121) and is provided with the first positioning hole (122) and the second positioning hole (123).
  9. 9. The tail guard according to claim 8, wherein the first mounting plate (11) is respectively bent at both sides arranged in the front-rear direction to form a first bent portion (112) and a second bent portion (113), the second mounting plate (12) is respectively bent at both sides arranged in the up-down direction to form a third bent portion (124) and a fourth bent portion (125), the third bent portion (124) is formed with a first notch (126) and a second notch (127) in which the first bent portion (112) and the second bent portion (113) are respectively fitted in a one-to-one correspondence, and the fourth bent portion (125) is abutted against the lower end of the first mounting plate (11).
  10. 10. A vehicle characterized in that it comprises a tail guard according to any one of claims 1 to 9.

Description

Car tail protector and vehicle Technical Field The utility model belongs to the technical field of vehicle safety, and particularly relates to a vehicle tail protection device and a vehicle. Background Concrete mixer trucks, vans, trailers and parts of large buses having a total mass of greater than or equal to 3.5 tons must be equipped with rear lower guards for protecting occupants and cargo of the rear vehicle in the event of a rear-end accident, reducing the severity of the accident. The conventional rear lower protection device is generally fixedly installed at the tail of a vehicle, and in the case that the vehicle climbs a slope or the rear part is required to be close to other vehicles for some reasons, the rear lower protection device may collide with a road surface or other vehicles, so as to avoid the problem, the patent of publication number CN201211876Y discloses a rear protection device which can be manually stored, but the device adopts a limiting pin for limiting, the limiting pin is required to be detached before the state of a rear bumper is adjusted, the limiting pin is assembled after the adjustment is finished, the disassembly and the assembly are difficult, and the operation is time-consuming and labor-consuming. Disclosure of utility model Aiming at the defects or shortcomings, the utility model provides a vehicle tail protection device and a vehicle, and aims to solve the technical problems. In order to achieve the above object, a first aspect of the present utility model provides a rear protection device, wherein the rear protection device includes a mounting frame, a crash frame and a limit lock, the mounting frame is disposed at a rear of a vehicle and is provided with a hinge portion, a first positioning hole and a second positioning hole, the crash frame is pivotally disposed on the mounting frame through the hinge portion and can be deflected and switched between a storage position and a protection position, the limit lock is disposed on the crash frame and has a lock cylinder which can be telescopically disposed, and the lock cylinder can correspondingly penetrate into the first positioning hole so as to enable the crash frame to be kept at the storage position, or the lock cylinder correspondingly penetrates into the second positioning hole so as to enable the crash frame to be kept at the protection position. In the embodiment of the utility model, the vehicle tail protection device further comprises a limiting block, wherein the limiting block is arranged on the mounting frame and is provided with a first limiting surface and a second limiting surface, the first limiting surface is used for being abutted against the anti-collision frame deflected to the storage position so as to align the lock cylinder with the first positioning hole, and the second limiting surface is used for being abutted against the anti-collision frame deflected to the protection position so as to align the lock cylinder with the second positioning hole. In the embodiment of the utility model, the first positioning hole and the second positioning hole are both positioned at the front side of the hinge part, the second positioning hole is positioned at the upper sides of the hinge part and the first positioning hole, the limiting block is positioned at the rear side of the hinge part and is provided with a first limiting surface which is arranged forwards and a second limiting surface which is arranged downwards, the anti-collision frame comprises a frame body and a connecting plate, the connecting plate is arranged on the frame body and is provided with a deflection limiting surface, and the deflection limiting surface can be attached to the limiting block and is arranged between the first limiting surface and the second limiting surface in a deflection way. In the embodiment of the utility model, the connecting plate comprises a splicing part and a locking part which are sequentially connected, the splicing part is arranged on the frame body and is communicated with the frame body to form a hinge hole, the locking part extends out of the frame body and can be provided with a limit lock, and the splicing part is used for forming a deflection limit surface facing one side of the limit block. In the embodiment of the utility model, the deflection limiting surface sequentially comprises a third limiting surface, an arc surface and a fourth limiting surface in the extending direction of the self-locking part towards the splicing part, wherein the third limiting surface can be jointed with the first limiting surface under the condition of being in a protection position, the fourth limiting surface can be jointed with the second limiting surface under the condition of being in a storage position, and the arc surface is extended along a second circumference taking the central axis of the hinge hole as a circular line. In the embodiment of the utility model, a weight-reducing notch is arranged at one side of t