CN211195740U

CN211195740U - Automobile rear towing hook

Info

Publication number: CN211195740U
Application number: CN201922237767.7U
Authority: CN
Inventors: 钟华山; 王善志; 贾伟; 董红霞; 王辉波
Original assignee: Zhejiang Jishan Technology Co ltd
Current assignee: Zhejiang Jishan Technology Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-08-07
Anticipated expiration: 2029-12-13

Abstract

The utility model provides a rear towing hook of an automobile, which is applied to the technical field of automobile parts, a reinforcing plate I (2) and a reinforcing plate II (3) of the rear towing hook of the automobile are fixedly connected, a concave groove I (4) is arranged on the reinforcing plate I (2), a concave groove II (5) is arranged on the reinforcing plate II (3), a plurality of openings I (6) are arranged on the concave groove I (4), a plurality of openings II (7) are arranged on the concave groove II (5), a rear towing hook pipe fitting (1) is clamped between the concave groove I (4) and the concave groove II (5), trompil I (6) position set up solder joint I (8), trompil II (7) position sets up solder joint II (9), car rear tow hook, simple structure can improve the joint strength of rear tow hook pipe fitting and enhancement plate, can not take place to drop when guaranteeing the trailer and using, improves and uses reliability and trailer security.

Description

Automobile rear towing hook

Technical Field

The utility model belongs to the technical field of automobile parts, more specifically say, relate to a tow hook behind car.

Background

On automobile parts, an automobile rear towing hook is one of indispensable parts. In the rear unhooking of an automobile, the connection between a rear towing hook pipe fitting and a reinforcing plate is involved, and the reinforcing plate is simultaneously connected with the whole automobile so as to bear the pulling force during towing. And the towing pintle behind the car among the prior art, back towing pintle pipe fitting is not enough with reinforcing plate welding strength, takes place to drop easily, influences the use.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: not enough to prior art, provide a simple structure, can improve the joint strength of back tow hook pipe fitting and enhancement plate, can not take place to drop when guaranteeing the trailer and use, improve the car rear tow hook of using reliability and trailer security.

To solve the technical problem, the utility model discloses the technical scheme who takes does:

the utility model relates to a tow hook behind car, the tow hook behind car include back tow hook pipe fitting, strengthen plate I, strengthen plate II, strengthen plate I and strengthen II fixed connection of plate, set up concave groove I on strengthening plate I, strengthen plate II and go up and set up concave groove II, set up a plurality of trompils I on the concave groove I, set up a plurality of trompils II on the concave groove II, back tow hook pipe fitting presss from both sides and presss from both sides between concave groove I and concave groove II, I position in trompil set up solder joint I, II positions in trompil set up solder joint II.

Strengthen I solder joint I at every trompil I position on the plate I set up to the structure that can be with strengthening plate I and back towing pintle pipe fitting welded connection.

The second welding spot that sets up to every II positions of trompil on the reinforcing plate II sets up to the structure that can be with reinforcing plate II and back towing pintle pipe fitting welded connection.

I upper portion of the reinforcing plate of towing pintle set up kink on the reinforcing plate I behind the car, I upper portion of reinforcing plate sets up I lower kink of reinforcing plate.

II upper portions of the reinforcing plate of tow hook behind car set up and strengthen II last kinks of plate, strengthen I upper portion of plate and set up and strengthen II lower kinks of plate.

Strengthen plate I and strengthen II fixed connection of plate during, strengthen bend welded connection on I going up kink of plate and the strengthening plate II, strengthen I lower bending of plate and strengthen II lower bending welded connection of plate.

Strengthen plate I and strengthen II fixed connection of plate time, concave groove I and concave groove II set up to the structure that can form the fixed cavity of back towing pintle pipe fitting.

Back tow hook pipe fitting one end extend to strengthen plate I and strengthen II outsidess of plate, extend to and strengthen plate I and strengthen II outside back tow hook pipe fitting one end of plate and set up screw thread portion.

Adopt the technical scheme of the utility model, can obtain following beneficial effect:

car back tow hook, it sets up to strengthen plate I to strengthen the plate, strengthen plate II, it sets up concave recess groove I on the strengthening plate I, it sets up concave recess groove II on the strengthening plate II, afterwards, back tow hook pipe fitting clamp is pressed from both sides in the cavity that concave recess groove I and concave recess groove II formed, strengthen plate I and strengthen II fixed connection of plate, press from both sides tight spacing back tow hook pipe fitting, and simultaneously, the solder joint I that forms will strengthen plate I and back tow hook pipe fitting welded connection through the plug welding at I position of every trompil on the strengthening plate I, strengthen plate II and back tow hook pipe fitting welded connection through the solder joint II that the plug welding formed at II positions of every trompil on the plate II. Like this, effectively strengthen back tow hook pipe fitting and strengthen plate I, strengthen the welding strength of plate II, the atress can not break away from with concave recess I and concave recess II easily when guaranteeing back tow hook pipe fitting to carry out the trailer operation, ensures to connect the reliability, improves trailer operation security to can not cause the cost to increase. Towing pintle behind car, simple structure can improve the joint strength of towing pintle pipe fitting after with strengthen the plate, can not take place to drop when guaranteeing the trailer and use, improves and uses reliability and trailer security.

Drawings

The contents of the description and the references in the drawings are briefly described as follows:

fig. 1 is a schematic structural view of an automobile rear tow hook according to the present invention;

fig. 2 is a schematic structural view of a reinforcing plate i of the rear tow hook of the automobile according to the present invention;

fig. 3 is a schematic structural view of a reinforcing plate ii of the rear tow hook of the automobile according to the present invention;

in the drawings, the reference numbers are respectively: 1. a rear tow hook pipe fitting; 2. a reinforcing plate I; 3. a reinforcing plate II; 4. recessing the groove I; 5. a concave groove II; 6. opening a hole I; 7. opening a hole II; 8. welding spots I; 9. welding spots II; 10. bending parts on the reinforcing plate I; 11. reinforcing the lower bent part of the plate I; 12. bending the reinforcing plate II; 13. reinforcing the lower bent part of the plate II; 14. the rear towing hook pipe fitting is fixed with the cavity; 15. a threaded portion; 16. a connecting hole I; 17. and connecting holes II.

Detailed Description

The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings, wherein the embodiments of the present invention are described in detail with reference to the accompanying drawings, for example, the shapes, structures, mutual positions and connection relations of the components, the functions and operation principles of the components, and the like:

as shown in the accompanying drawings 1-3, the utility model relates to a tow hook behind car, the tow hook behind car include back tow hook pipe fitting 1, strengthen plate I2, strengthen plate II 3, strengthen plate I2 and strengthen plate II 3 fixed connection, set up concave recess groove I4 on strengthening plate I2, set up concave recess groove II 5 on strengthening plate II 3, set up a plurality of trompils I6 on concave recess groove I4, set up a plurality of trompils II 7 on concave recess groove II 5, back tow hook pipe fitting 1 presss from both sides and puts between concave recess groove I4 and concave recess groove II 5, trompil I6 position set up solder joint I8, II 7 positions in the trompil set up solder joint II 9. Above-mentioned structure, it sets up to strengthen plate I2 to strengthen the plate, strengthen plate II 3, set up concave recess I4 on strengthening plate I2, set up concave recess II 5 on strengthening plate II 3, afterwards, back tow hook pipe fitting 1 presss from both sides in the cavity that concave recess I4 and concave recess II 5 formed, strengthen plate I2 and strengthen plate II 3 fixed connection, press from both sides tight spacing back tow hook pipe fitting 1, and simultaneously, every trompil I6 position on the strengthening plate I2 will strengthen plate I2 and back tow hook pipe fitting 1 welded connection through the solder joint I8 that the plug weld formed, strengthen plate II 3 and back tow hook pipe fitting 1 welded connection through solder joint II 9 that the plug weld formed in every trompil II 7 position on plate II 3. Like this, strengthen back tow hook pipe fitting 1 and strengthen plate I2, strengthen the welding strength of plate II 3, the atress can not break away from with concave recess I4 and concave recess II 5 easily when guaranteeing back tow hook pipe fitting 1 to carry out the trailer operation, ensures to connect the reliability, improves trailer operation security. Towing pintle behind car, can improve the joint strength of towing pintle pipe fitting after with strengthen the plate, can not take place to drop when guaranteeing the trailer use, improve and use reliability and trailer security.

Strengthen the solder joint I8 at every trompil I6 position on plate I2 and set up to the structure that can be with strengthening plate I2 and 1 welded connection of back towing pintle pipe fitting. Above-mentioned structure, every solder joint I8 is located a trompil I6, realizes strengthening plate I2 and the connection of back towing pintle pipe fitting 1 through the plug welding mode, increases the welding point and makes solder joint evenly distributed, improves bulk joint strength. Strengthen II 9 of the solder joint at every trompil II 7 position on the plate II 3 set up to the structure that can be with strengthening II 3 of plate and the 1 welded connection of back towing pintle pipe fitting. Above-mentioned structure, every solder joint II 9 is located an trompil II 7, realizes strengthening plate II 3 and the connection of back towing pintle pipe fitting 1 through the plug welding mode, increases the welding point and makes solder joint evenly distributed, improves bulk joint strength. And strengthen plate I2, strengthen II 3 fixed connection of plate for tow hook pipe fitting 1 behind the cavity effective restraint that I4 of concave groove and II 5 of concave groove formed improves joint strength.

Automobile back tow hook strengthen I2 upper portions of plate set up and strengthen kink 10 on the plate I, strengthen I2 upper portions of plate and set up and strengthen I lower bending part 11 of plate. Automobile rear tow hook strengthen II 3 upper portions of plate set up and strengthen II last kink 12 of plate, strengthen I2 upper portions of plate and set up and strengthen II lower bending parts 13 of plate. Strengthen plate I2 and strengthen II 3 fixed connection of plate during, strengthen 12 welded connection of kink 10 on I and the strengthening plate II on kink of plate, strengthen I lower bending part of plate 11 and strengthen II lower bending parts of plate 13 welded connection. Above-mentioned structure realizes strengthening plate I2 and strengthening plate II 3 fixed connection, and strengthens plate I2 side and strengthens plate II 3 side also welded connection, strengthens intensity, makes the cavity of concave groove I4 and concave groove II 5 formation effectively retrain back tow hook pipe fitting 1 simultaneously, improves intensity.

Strengthen plate I2 and strengthen plate II 3 fixed connection time, concave groove I4 and concave groove II 5 set up to the structure that can form back tow hook pipe fitting fixed cavity 14.

Back tow hook pipe fitting 1 one end extend to strengthen plate I2 and strengthen the plate II 3 outside, extend to and strengthen plate I2 and strengthen plate II 3 outside 1 one end of back tow hook pipe fitting and set up screw portion 15. Above-mentioned structure, screw thread portion are used for twisting the dress and drag the hook, realize the trailer operation.

The present invention has been described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the present invention can be implemented in various ways without modification, and the present invention is not limited by the above embodiments.

Claims

1. The utility model provides a tow hook behind car which characterized in that: towing pintle behind car include rear towing pintle pipe fitting (1), strengthen plate I (2), strengthen plate II (3), strengthen plate I (2) and strengthen plate II (3) fixed connection, set up concave groove I (4) on strengthening plate I (2), set up concave groove II (5) on strengthening plate II (3), set up a plurality of trompils I (6) on concave groove I (4), set up a plurality of trompils II (7) on concave groove II (5), back towing pintle pipe fitting (1) is pressed from both sides and is pressed from both sides between concave groove I (4) and concave groove II (5), trompil I (6) position set up solder joint I (8), trompil II (7) position sets up solder joint II (9).

2. The vehicle rear tow hook according to claim 1, wherein: strengthen I (8) of solder joint at every trompil I (6) position on plate I (2) set up to the structure that can be with strengthening plate I (2) and back towing pintle pipe fitting (1) welded connection.

3. The automobile rear tow hook according to claim 1 or 2, wherein: the welding spot II (9) of every trompil II (7) position on the reinforcing plate II (3) set up to the structure that can be with reinforcing plate II (3) and back towing pintle pipe fitting (1) welded connection.

4. The vehicle rear tow hook according to claim 1, wherein: automobile back tow hook strengthen I (2) upper portion of plate set up and strengthen kink (10) on the plate I, strengthen I (2) upper portion of plate and set up and strengthen I lower kink (11) of plate.

5. The automobile rear tow hook according to claim 4, wherein: automobile rear tow hook strengthen II (3) upper portions of plate set up and strengthen II upper kinks (12) of plate, strengthen I (2) upper portions of plate and set up and strengthen II lower kinks (13) of plate.

6. The vehicle rear tow hook according to claim 5, wherein: strengthen I (2) of plate and strengthen II (3) fixed connection of plate, strengthen on I kink (10) of plate and strengthen II on kink (12) welded connection of plate, strengthen I lower bending (11) of plate and strengthen II lower bending (13) welded connection of plate.

7. The vehicle rear tow hook according to claim 1, wherein: strengthen plate I (2) and strengthen plate II (3) fixed connection time, concave groove I (4) and concave groove II (5) set up to the structure that can form back tow hook pipe fitting fixed cavity (14).

8. The automobile rear tow hook according to claim 1 or 2, wherein: back tow hook pipe fitting (1) one end extend to strengthen plate I (2) and strengthen plate II (3) outside, extend to and strengthen plate I (2) and strengthen plate II (3) outside back tow hook pipe fitting (1) one end setting screw portion (15).