CN217073959U - Towing pin with anti-drop structure - Google Patents

Abstract

The utility model provides a towing pin with anti-drop structure, including lower fixed disk, the equal threaded connection in both sides of lower fixed disk has large-scale threaded rod, and the top threaded connection of two large-scale threaded rods has the upper fixed disk, and the bottom fixed mounting of two large-scale threaded rods has pentagonal slot, and the inside threaded connection of upper fixed disk has a plurality of screw, and anti-drop mechanism is installed at the top of lower fixed disk, the utility model discloses beneficial effect: through being equipped with large-scale threaded rod, conveniently make the round pin hook catch on the towing pin body when fixed the stopping to the round pin hook, make the round pin hook firmly fix on the towing pin body and prevent to drop, further make large-scale threaded rod and trailer fix, prevent that the towing pin from droing and leading to meeting accident with the trailer, through the screw that is equipped with, conveniently mutually support with large-scale threaded rod, further make the towing pin more stable with the trailer junction, through first supporting leg and the second supporting leg that is equipped with, the convenient cooperation of assisting is carried out large-scale threaded rod.

Description

Towing pin with anti-drop structure

Technical Field

The utility model belongs to the technical field of the industry, concretely relates to towing pin with anti-drop structure.

Background

The kingpin is a standard metal component used in semi-trailer trailers to connect tractor and trailer vehicles. The draw pin may be classified into a mushroom type, a cross type, a double spoon type, etc. according to the shape, and may be classified into 50 (mm) and 90 (mm) in terms of the diameter. According to the national standard, the traction pin can be divided into an A type and a B type according to the shape, and can be divided into a welding type and an assembly type according to the assembly mode. The processing materials are carbon steel and alloy steel.

1) The existing traction pin is easy to fall off when in use, thereby causing traffic accidents and other unexpected conditions;

2) the prior towing pin can cause the inner part of the towing pin to break due to the overlarge stress after being used for a long time,

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a towing pin with anti-drop structure aims at solving the current towing pin that provides in the background art, thereby drops easily when using and causes the problem of traffic accident and other unexpected situations.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a towing pin with anti-drop structure, includes lower fixed disk, the equal threaded connection in both sides of lower fixed disk has large-scale threaded rod, two the top threaded connection of large-scale threaded rod has last fixed disk, two the bottom fixed mounting of large-scale threaded rod has pentagonal slot, the inside threaded connection of last fixed disk has a plurality of screw, anti-drop mechanism is installed at the top of fixed disk down.

As an optimization of the utility model, anti-drop mechanism includes small-size supporting disk, the bottom and the lower fixed disk fixed connection of small-size supporting disk, a plurality of recess has been seted up to the edge of small-size supporting disk.

As an optimization of the utility model, a plurality of the equal fixed mounting in inside of recess has the dead lever, the outside of dead lever is rotated and is connected with swivel becket, a plurality of the top fixed mounting of swivel becket has first supporting leg.

As an optimization of the utility model, a plurality of the top hinge of first supporting leg articulates there is the second supporting leg, the top threaded connection of second supporting leg has small-size screw.

As an optimization of the utility model, a plurality of the equal threaded connection in outside of small-size screw has the backup pad of two symmetries.

As an optimization of the utility model, two the inner wall fixed mounting of backup pad has the connector, the bottom fixed mounting of connector has the reinforcement ware.

As an optimization of the utility model, the bottom fixed mounting of reinforcement ware has the towing pin body.

As an optimization of the utility model, the equal fixed mounting in both sides of reinforcement ware has the support frame, the both sides top threaded connection of support frame has large-scale screw.

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

1) the large threaded rod is arranged, so that the pin hook is conveniently fixed and blocked when hooked on the towing pin body, the pin hook is firmly fixed on the towing pin body to prevent falling off, the large threaded rod is further fixed with the trailer, accidents caused by falling off of the towing pin and the trailer are prevented, the large threaded rod is conveniently matched with the large threaded rod through the arranged screw, the joint of the towing pin and the trailer is further more stable, the large threaded rod is conveniently matched in an auxiliary mode through the arranged first supporting leg and the second supporting leg, and the further auxiliary pin hook is fixed on the towing pin body;

2) through the small-size supporting disk that is equipped with, conveniently support the towing pin body, increase the atress weight of towing pin.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is a schematic front structural view of embodiment 1 of the present invention;

fig. 3 is an enlarged schematic structural view of a rotating ring according to embodiment 1 of the present invention;

fig. 4 is a schematic structural view of embodiment 2 of the present invention.

In the figure: 1. a lower fixed disc; 2. a large threaded rod; 3. an upper fixed disc; 4. a screw; 5. an anti-drop mechanism; 51. a compact support disc; 52. a groove; 53. fixing the rod; 54. a rotating ring; 55. a first support leg; 56. a second support leg; 57. a small screw; 58. a support plate; 59. a connector; 591. a stiffener; 592. a kingpin body; 593. a support frame; 594. large screws.

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.

Example 1

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a towing pin with anti-drop structure, includes lower fixed disk 1, and the equal threaded connection in both sides of lower fixed disk 1 has large-scale threaded rod 2, and the top threaded connection of two large-scale threaded rods 2 has upper fixed disk 3, and the bottom fixed mounting of two large-scale threaded rods 2 has pentagonal slot, and the inside threaded connection of upper fixed disk 3 has a plurality of screw 4, and anti-drop mechanism 5 is installed at the top of lower fixed disk 1.

In this embodiment: the anti-falling mechanism 5 comprises a small supporting disc 51, the bottom of the small supporting disc 51 is fixedly connected with the lower fixed disc 1, and a plurality of grooves 52 are formed in the edge of the small supporting disc 51.

Through the small-size supporting disk 51 that is equipped with, it is convenient to support the towing pin body 592 fixedly, makes the towing pin body 592 can be more stable when being connected with the pin hook, and further messenger's towing pin body 592 prevents to be pulled off by the pin hook in the use.

In this embodiment: fixed rods 53 are fixedly arranged inside the grooves 52, rotating rings 54 are rotatably connected to the outer portions of the fixed rods 53, and first supporting legs 55 are fixedly arranged on the tops of the rotating rings 54.

Through the groove 52, the rotating ring 54 on the fixed rod 53 in the groove 52 can be conveniently driven to rotate, so that the first support leg 55 and the second support leg 56 can assist the towing pin body 592 after the pin hook is mounted on the towing pin body 592, and the towing pin body 592 is prevented from falling off.

In this embodiment: the top of the first support legs 55 is hinged with a second support leg 56, and the top of the second support leg 56 is in threaded connection with a small screw 57.

The first and second support legs 55, 56 are conveniently secured to the support plate 58 by small screws 57, which allow the first and second support legs 55, 56 to provide additional reinforcement to the kingpin body 592.

In this embodiment: the outer portions of the small screws 57 are threaded with two symmetrical support plates 58.

Through the support plate 58, the first support leg 55 and the second support leg 56 are conveniently and firmly fixed on the support plate 58, so that the traction pin body 592 can bear increased weight more stably, and the traction pin body 592 cannot be easily cracked.

In this embodiment: connectors 59 are fixedly installed on the inner walls of the two support plates 58, and stiffeners 591 are fixedly installed at the bottoms of the connectors 59.

The connector 59 is arranged, so that the device can be conveniently fixed with the upper fixing disc 3, the device can be fixed with a vehicle, the device is firmly fixed on the vehicle and cannot easily fall off, and the service life of the device is prolonged.

In this embodiment: the bottom of the stiffener 591 is fixedly provided with a traction pin body 592, and the material of the traction pin body 592 is carbon steel and alloy steel.

Through the towing pin body 592 that is equipped with, thereby conveniently make the towing pin body 592 can with the round pin hook connection make the trailer can drive the carriage and go, the towing pin body 592 through carbon steel and alloy steel constitution will be more durable, can not split easily.

In this embodiment: both sides of the reinforcement device 591 are fixedly provided with a support frame 593, and the top parts of both sides of the support frame 593 are in threaded connection with large screws 594.

Through the support frame 593 that is equipped with, when making things convenient for screw 4 to be connected with the vehicle, supplementary screw 4 is connected with the vehicle, makes the vehicle be connected with the device more stable, prevents that the device from droing in the driving.

The working principle is as follows: the user is when using this equipment, at first be connected this equipment through screw 4 with the vehicle, then the user is connected the round pin hook in carriage with the towing pin body 592 of this equipment, when the round pin hook links together with the towing pin body 592 of this equipment, the user is through holding first support leg 55, place first support leg 55 in backup pad 58, then the user links together first support leg 55 and backup pad 58 through small-size screw 57, make first support leg 55 and second support leg 56 fix the round pin hook, prevent that the round pin hook drops, the last user drops large-scale threaded rod 2 with equipment and further connection of vehicle are fixed, thereby stop the phenomenon that equipment drops from the vehicle, further block that the round pin hook drops from towing pin body 592 when receiving tractive power.

Example 2

Referring to fig. 4, in order to make the apparatus more stable, the technical features of the present embodiment are as follows: both sides of the reinforcement device 591 are fixedly provided with a support frame 593, and the top parts of both sides of the support frame 593 are in threaded connection with large screws 594.

Specifically, through the support frame 593 that is equipped with, when making things convenient for screw 4 to be connected with the vehicle, supplementary screw 4 is connected with the vehicle, makes the vehicle more stable with being connected of device, prevents that the device from droing in the driving.

Finally, it should be noted that: 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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 (8)

1. The utility model provides a towing pin with anti-drop structure, includes lower fixed disk (1), its characterized in that, the equal threaded connection in both sides of lower fixed disk (1) has large-scale threaded rod (2), two the top threaded connection of large-scale threaded rod (2) has last fixed disk (3), two the bottom fixed mounting of large-scale threaded rod (2) has the pentagon slot, the internal thread connection of going up fixed disk (3) has a plurality of screw (4), anti-drop mechanism (5) are installed at the top of lower fixed disk (1).

2. The towing pin with the anti-drop structure as claimed in claim 1, wherein: anti-drop mechanism (5) are including small-size supporting disk (51), the bottom and lower fixed disk (1) fixed connection of small-size supporting disk (51), a plurality of recess (52) have been seted up to the edge of small-size supporting disk (51).

3. The towing pin with the anti-dropping structure as claimed in claim 2, wherein: the fixing rods (53) are fixedly mounted inside the grooves (52), the rotating rings (54) are rotatably connected to the outer portions of the fixing rods (53), and first supporting legs (55) are fixedly mounted at the tops of the rotating rings (54).

4. The towing pin with the anti-dropping structure as claimed in claim 3, wherein: the top of the first supporting legs (55) is hinged with a second supporting leg (56), and the top of the second supporting leg (56) is in threaded connection with a small screw (57).

5. The towing pin with the anti-dropping structure as claimed in claim 4, wherein: the outer parts of the small screws (57) are in threaded connection with two symmetrical support plates (58).

6. The towing pin with the anti-dropping structure as claimed in claim 5, wherein: connectors (59) are fixedly arranged on the inner walls of the two supporting plates (58), and reinforcing devices (591) are fixedly arranged at the bottoms of the connectors (59).

7. The towing pin with the anti-dropping structure as claimed in claim 6, wherein: the bottom of the reinforcing device (591) is fixedly provided with a traction pin body (592).

8. The towing pin with the anti-dropping structure as claimed in claim 6, wherein: both sides of the reinforcing device (591) are fixedly provided with support frames (593), and the top parts of both sides of the support frames (593) are in threaded connection with large screws (594).

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