CN212124766U

CN212124766U - Portable trailer hook device

Info

Publication number: CN212124766U
Application number: CN202020892427.8U
Authority: CN
Inventors: 张羽林
Original assignee: Hangzhou Vocational and Technical College
Current assignee: Hangzhou Vocational and Technical College
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2020-12-11
Anticipated expiration: 2030-05-25

Abstract

The utility model discloses a portable trailer hook device, including car body, fly leaf, protection machanism and folding mechanism, protection machanism is located one side of car body, protection machanism includes the connecting block, one side fixedly connected with first loop bar of connecting block, the inside activity of first loop bar has cup jointed first elastic rod, the outside activity of first elastic rod has cup jointed damping spring, one side fixedly connected with second loop bar of fly leaf, the inside activity of second loop bar has cup jointed the second connecting rod, one side fixedly connected with first limiting plate of second connecting rod; through the movable rod, the second limiting plate and the pressure-resistant spring of design, can reduce the striking dynamics through increasing area of contact on the one hand when the car takes place the condition of head-to-tail collision, on the other hand also can provide better cushion effect to reduce the damage degree of car when assaulting, solved the problem that coupling security performance is low.

Description

Portable trailer hook device

Technical Field

The utility model belongs to the technical field of the trailer hook, concretely relates to portable trailer hook device.

Background

The trailer hook is generally a draw gear of car, and former trailer hook mainly used pulls the car, and along with the change of people's ideological consciousness, more people load the trailer hook now and conveniently carry on some outdoor equipments such as car as a house, bicycle frame, suitcase, ski board frame when playing in order to go out, is applied to the then mainly used trailer that drags of freight vehicle, nevertheless the trailer hook that appears on the market still has various not enough, can not satisfy the demand of production.

The existing trailer coupler is directly arranged at the tail of an automobile, but when the trailer is pulled, the condition of head-tail collision can occur, when the automobile directly collides with the coupler, the automobile can be damaged, and the coupler can not be stored, so that a large amount of space can be wasted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable trailer hook device to propose current trailer coupling in solving above-mentioned background art because the afterbody of direct mount at the car, but when carrying out the trailer, the condition that probably takes place the head and the tail and collide with each other, when car in the back directly strikes the coupling, can lead to the car to take place to damage, the coupling can not accomodate simultaneously, thereby can waste the problem in a large amount of spaces.

In order to achieve the above object, the utility model provides a following technical scheme: a portable trailer hook device comprises an automobile body, a movable plate, a protective mechanism and a folding mechanism, wherein the protective mechanism is positioned on one side of the automobile body and comprises a connecting block, a first loop bar is fixedly connected to one side of the connecting block, a first elastic bar is sleeved on the inner portion of the first loop bar in a movable mode, a damping spring is sleeved on the outer portion of the first elastic bar in a movable mode, a second loop bar is fixedly connected to one side of the movable plate, a second connecting bar is sleeved on the inner portion of the second loop bar in a movable mode, a first limiting plate is fixedly connected to one side of the second connecting bar, a movable bar is movably connected to one side of the first limiting plate, a second limiting plate is fixedly connected to one side of the movable bar, a sealing plate is fixedly connected to the other side of the first limiting plate, a guide bar is sleeved on the inner portion of the sealing plate in a movable mode, a fixing plate, the other side fixedly connected with guard plate of second connecting rod, one side bottom of second loop bar is provided with U type frame.

Preferably, the folding mechanism is located on one side of the automobile body and comprises a fixed frame, a movable pin is sleeved on the inner portion of the movable plate, and a pin groove and a fixed groove are formed in the fixed frame and the movable plate.

Preferably, one side of the automobile body is movably connected with the other side of the movable plate, one side of the automobile body is fixedly connected with the other side of the fixed frame, and one side of the first elastic rod is fixedly connected with the trailer hook body.

Preferably, withstand voltage spring has been cup jointed in the outside activity of second connecting rod, withstand voltage spring's opposite side and one side fixed connection of second loop bar, the quantity of second loop bar and second connecting rod is four, four second loop bar and second connecting rod are located the opposite side of first limiting plate.

Preferably, one side of each damping spring is fixedly connected with the other side of each second limiting plate, the number of the sealing plates, the number of the guide rods and the number of the fixing plates are four, and the number of the sealing plates, the number of the guide rods and the number of the fixing plates are four.

Preferably, a first magnet is arranged inside the sealing plate, a second magnet is arranged inside the other side of the first limiting plate, and the first magnet and the second magnet are opposite in magnetism.

Preferably, the diameter value of the pin groove is equal to the diameter value of the movable pin, the number of the fixing grooves is four, two fixing grooves are divided into two groups by taking two fixing grooves as a group, and the angle value of the two fixing grooves is ninety degrees.

Preferably, the number of the movable rods is four, and the other sides of the four movable rods penetrate through the inside of the first limiting plate and extend to one sides of the four sealing plates.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the movable rod, the second limiting plate and the pressure-resistant spring of design, can reduce the striking dynamics through increasing area of contact on the one hand when the car takes place the condition of head-to-tail collision, on the other hand also can provide better cushion effect to reduce the damage degree of car when assaulting, solved the problem that coupling security performance is low.

2. Through mount, fly leaf and the loose pin of design, and folding mechanism is located one side of car body, and folding mechanism includes the mount, and the loose pin has been cup jointed in the inside activity of fly leaf, and cotter way and fixed slot have all been seted up to the inside of mount and fly leaf to be convenient for accomodate the coupling, solved the big problem of coupling area occupied.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a top view structure of the movable plate of the present invention;

fig. 3 is a schematic structural view of a portion a in fig. 1 according to the present invention;

fig. 4 is a schematic sectional view of the second rod of the present invention.

In the figure: 1. an automobile body; 2. a fixed mount; 3. a movable plate; 4. a movable pin; 5. a pin slot; 6. fixing grooves; 7. connecting blocks; 8. a first loop bar; 9. a first elastic rod; 10. a tow hook body; 11. a damping spring; 12. a second loop bar; 13. a second connecting rod; 14. a first limit plate; 15. a movable rod; 16. a second limiting plate; 17. a sealing plate; 18. a guide bar; 19. a fixing plate; 20. a protection plate; 21. a U-shaped frame.

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. 1-4, the present invention provides a technical solution: a portable trailer hook device comprises an automobile body 1, a movable plate 3, a protection mechanism and a folding mechanism, wherein the protection mechanism is positioned on one side of the automobile body 1 and comprises a connecting block 7, one side of the connecting block 7 is fixedly connected with a first sleeve rod 8, a first elastic rod 9 is movably sleeved in the first sleeve rod 8, a damping spring 11 is movably sleeved outside the first elastic rod 9, one side of the movable plate 3 is fixedly connected with a second sleeve rod 12, the inner part of the second sleeve rod 12 is movably sleeved with a second connecting rod 13, one side of the second connecting rod 13 is fixedly connected with a first limiting plate 14, one side of the first limiting plate 14 is movably connected with a movable rod 15, one side of the movable rod 15 is fixedly connected with a second limiting plate 16, the other side of the first limiting plate 14 is fixedly connected with a sealing plate 17, the inner part of the sealing plate 17 is movably sleeved with a guide rod 18, and the outer part of the guide rod 18, the other side of the second connecting rod 13 is fixedly connected with a protection plate 20, and the bottom of one side of the second sleeve rod 12 is provided with a U-shaped frame 21 for protection and limiting.

In this embodiment, preferably, folding mechanism is located one side of automobile body 1, and folding mechanism includes mount 2, and movable pin 4 has been cup jointed in the inside activity of fly leaf 3, and pin groove 5 and fixed slot 6 have all been seted up to the inside of mount 2 and fly leaf 3, are convenient for fold the device to improve the utilization ratio in space.

In this embodiment, preferably, one side of the car body 1 is movably connected to the other side of the movable plate 3, one side of the car body 1 is fixedly connected to the other side of the fixed frame 2, and one side of the first elastic rod 9 is fixedly connected to the trailer hook body 10, so as to facilitate the operation of the device.

In this embodiment, preferably, the pressure-resistant spring is movably sleeved outside the second connecting rod 13, the other side of the pressure-resistant spring is fixedly connected to one side of the second loop bar 12, the number of the second loop bar 12 and the second connecting rod 13 is four, and the four second loop bars 12 and the second connecting rod 13 are located on the other side of the first limiting plate 14, so as to play a role in damping and protection.

In this embodiment, preferably, one side of the damping spring 11 is fixedly connected to the other side of the second limiting plate 16, the number of the sealing plates 17, the number of the guide rods 18, and the number of the fixing plates 19 are four, and the four sealing plates 17, the four guide rods 18, and the number of the fixing plates 19 are all located on the inner sides of the four second set of rods 12 and the four second connecting rods 13, so that the device is convenient to operate.

In this embodiment, preferably, the sealing plate 17 is provided with a first magnet inside, and the first limiting plate 14 is provided with a second magnet inside on the other side, and the first magnet and the second magnet have opposite magnetism, so as to increase the stability of fixation.

In this embodiment, it is preferable that the diameter value of the pin groove 5 is equal to the diameter value of the movable pin 4, the number of the fixed grooves 6 is four, two of the four fixed grooves 6 are divided into two groups, and the angle value of the two groups of the fixed grooves 6 is ninety degrees, so that the device can be easily stored.

In this embodiment, preferably, the number of the movable rods 15 is four, and the other sides of the four movable rods 15 penetrate through the inside of the first limiting plate 14 and extend to one side of the four sealing plates 17, so as to facilitate the operation of the device.

The utility model discloses a theory of operation and use flow: after the device is installed, if the device needs to be stored, firstly, the fixing pins fixed in the two fixing grooves 6 are taken out, then the connecting block 7 is rotated along the movable pin 4 until the fixing frame 2 and the movable plate 3 are provided with another two fixing grooves 6 which are aligned, and then the fixing pins are inserted into the other two fixing grooves 6, when the tow hook body 10 is clamped on another automobile, if the head of another automobile collides with the tow hook body 10, the tow hook body 10 can be contracted to enter the other side of the second limit plate 16, at this time, the head of another automobile can collide with one side of the second limit plate 16, and when the second limit plate 16 is collided, the movable rod 15 can extrude the seal plate 17, so that the seal plate 17 slides on the guide rod 18, and at this time, the pressure-resistant spring outside the second connecting rod 13 is stretched, thereby drive first limiting plate 14 and move to one side, laminate mutually until one side of first limiting plate 14 and the other side of second limiting plate 16, the opposite side of closing plate 17 contacts with one side of fixed plate 19 this moment to fix a position second limiting plate 16 and first limiting plate 14, can avoid then the locomotive of another car directly to strike the outside of towing hook body 10, thereby reduced the spoilage of vehicle.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a portable trailer hook device, includes automobile body (1), fly leaf (3), protection machanism and folding mechanism, its characterized in that: the protection mechanism is located on one side of the automobile body (1) and comprises a connecting block (7), a first loop bar (8) is fixedly connected to one side of the connecting block (7), a first elastic bar (9) is sleeved on the inner portion of the first loop bar (8), a damping spring (11) is sleeved on the outer portion of the first elastic bar (9), a second loop bar (12) is fixedly connected to one side of the movable plate (3), a second connecting bar (13) is sleeved on the inner portion of the second loop bar (12), a first limiting plate (14) is fixedly connected to one side of the second connecting bar (13), a movable bar (15) is movably connected to one side of the first limiting plate (14), a second limiting plate (16) is fixedly connected to one side of the movable bar (15), and a sealing plate (17) is fixedly connected to the other side of the first limiting plate (14), the inside activity of closing plate (17) has cup jointed guide bar (18), the fixed cover in outside of guide bar (18) has connect fixed plate (19), the opposite side fixedly connected with guard plate (20) of second connecting rod (13), one side bottom of second loop bar (12) is provided with U type frame (21).

2. A portable trailer hook assembly as claimed in claim 1, wherein: folding mechanism is located one side of car body (1), folding mechanism includes mount (2), the inside activity of fly leaf (3) has cup jointed removable pin (4), cotter way (5) and fixed slot (6) have all been seted up to the inside of mount (2) and fly leaf (3).

3. A portable trailer hook assembly as claimed in claim 1, wherein: one side of the automobile body (1) is movably connected with the other side of the movable plate (3), one side of the automobile body (1) is fixedly connected with the other side of the fixed frame (2), and one side of the first elastic rod (9) is fixedly connected with a trailer hook body (10).

4. A portable trailer hook assembly as claimed in claim 1, wherein: withstand voltage spring has been cup jointed in the outside activity of second connecting rod (13), withstand voltage spring's opposite side and one side fixed connection of second loop bar (12), the quantity of second loop bar (12) and second connecting rod (13) is four, four second loop bar (12) and second connecting rod (13) are located the opposite side of first limiting plate (14).

5. A portable trailer hook assembly as claimed in claim 1, wherein: one side of the damping spring (11) is fixedly connected with the other side of the second limiting plate (16), the number of the sealing plates (17), the number of the guide rods (18) and the number of the fixing plates (19) are four, and the sealing plates (17), the number of the guide rods (18) and the number of the fixing plates (19) are all located at the inner sides of the second loop bars (12).

6. A portable trailer hook assembly as claimed in claim 1, wherein: a first magnet is arranged in the sealing plate (17), a second magnet is arranged in the other side of the first limiting plate (14), and the magnetism of the first magnet is opposite to that of the second magnet.

7. A portable trailer hook assembly as claimed in claim 2, wherein: the diameter value of cotter way (5) equals with the diameter value of activity round pin (4), the quantity of fixed slot (6) is four, four fixed slot (6) use two to be a set of two sets of, two sets of the angle value of fixed slot (6) is ninety degrees.

8. A portable trailer hook assembly as claimed in claim 1, wherein: the number of the movable rods (15) is four, and the other sides of the four movable rods (15) penetrate through the interior of the first limiting plate (14) and extend to one sides of the four sealing plates (17).