CN218929110U - Traction pin convenient for connection of trailer - Google Patents

Abstract

The utility model discloses a traction pin which is easy to connect with a trailer, which comprises a traction seat, the upper surface of the traction seat is fixedly connected with a positioning cylinder, the inside of the traction seat is installed with a fixed plate, and the right side of the fixed plate A limiting through hole is provided, a fixed traction pin is provided inside the positioning cylinder, a first positioning through hole is opened on the outer surface of the fixed traction pin, a positioning rod is provided inside the limiting through hole, and a positioning rod is provided inside the positioning cylinder. The outer surface of the rod is covered with a telescopic spring, the left end of the telescopic spring is fixedly connected with the right side of the fixed plate, the right end of the telescopic spring is fixedly connected with a positioning ring, the inner wall of the positioning ring is connected with the outer surface of the positioning rod Fixed connection. This device can position the fixed traction pin by passing the right end of the positioning rod through the first positioning through hole, and use the elasticity of the telescopic spring to apply force to the positioning rod in real time to increase the stability of the fixed traction pin and prevent the trailer from being out of the pin when it is moving. .

Description

A trailer pin for easy connection

technical field

The utility model relates to the field of traction pin processing and production, in particular to a traction pin for easy connection of trailers.

Background technique

The traction pin is a load-bearing part used by a truck to tow a semi-trailer, which belongs to the chassis part. It has the function of engaging and locking with the traction pin of the semi-trailer through the locking mechanism, and can transmit horizontal force and vertical force between the semi-trailer and the semi-trailer. It is covered by a semi-trailer during use, so it is not a conspicuous part, but it is a very critical and important part.

The Chinese patent with the notification number CN215622335U discloses a trailer traction seat that is easy to connect. A lubricating component is installed on the top surface of the traction seat body. The surface is evenly movable and inlaid with oil-guiding beads, and the bottom surface of the movable top plate is bonded with oil-absorbing sponges corresponding to the oil-guiding beads. The inside of the oil filling hole is installed with an oil plug through threads, and the inside of the docking port is equipped with a guide assembly. There is a snap-in tube inlaid inside the snap-in groove, and a protruding hole is opened at one end of the snap-in tube, and a second ball is placed between one end of the extrusion spring and the protruding hole. However, it is inconvenient to position the traction pin in the above-mentioned patent, and it is easy when the trailer is moving. It will lead to the shaking of the traction pin, and in severe cases, it will lead to out of the pin. Therefore, we propose a traction pin that is easy to connect to the trailer to solve the above problems.

Utility model content

The purpose of this utility model is to provide a trailer pin that is easy to connect, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

A traction pin for easy connection of trailers, comprising a traction seat, the upper surface of the traction seat is fixedly connected with a positioning cylinder, a fixed plate is installed inside the traction seat, and a limited through hole is opened on the right side of the fixed plate , the inside of the positioning cylinder is provided with a fixed traction pin, the outer surface of the fixed traction pin is provided with a first positioning through hole, the inside of the limiting through hole is provided with a positioning rod, and the outer surface of the positioning rod covers A telescopic spring is provided, the left end of the telescopic spring is fixedly connected with the right side of the fixed plate, the right end of the telescopic spring is fixedly connected with a positioning ring, the inner wall of the positioning ring is fixedly connected with the outer surface of the positioning rod, the The upper surface of the positioning rod is provided with a second positioning through hole.

In a further embodiment, a fixed block is fixedly connected to the right side of the traction seat, and a third positioning through hole is opened on the upper surface of the fixed block, and a locking rod is arranged inside the third positioning through hole. The bottom end of the clamping rod passes through the second positioning through hole and extends below the positioning rod.

In a further embodiment, the top end of the fixed traction pin is fixedly connected with a first limiting block, and the upper surface of the first limiting block is fixedly connected with a first pull ring.

In a further embodiment, the top end of the positioning cylinder is fixedly connected with a limiting ring, and the inner ring of the limiting ring is fixedly connected with a bearing.

In a further embodiment, a second limiting block is fixedly connected to the left end of the positioning rod, and a second pull ring is fixedly connected to the left side of the second limiting block.

In a further embodiment, a symmetrical connecting block is fixedly connected to the left side of the fifth wheel, and a mounting plate is hinged to the left side of the two connecting blocks through a pin shaft.

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

This device can position the fixed traction pin by passing the right end of the positioning rod through the first positioning through hole, and use the elasticity of the telescopic spring to apply force to the positioning rod in real time, so as to increase the stability of the fixed traction pin and prevent the trailer from being out of the pin when it is moving. , to improve the safety of driving, through the cooperation of the limit ring and the bearing, it can facilitate the rotation of the fixed traction pin, reduce the wear of the fixed traction pin on the inner wall of the positioning cylinder, and use the cooperation of the connecting block and the mounting plate to facilitate the staff to install the device Installation, through the cooperation of the fixed block and the clamping rod, the positioning rod can be positioned, and the stability of the fixed traction pin can be strengthened, which solves the inconvenient positioning of the traction pin in the above-mentioned patent, and it is easy to cause the traction pin to shake when the trailer is moving, seriously can lead to out-of-stock issues.

Description of drawings

Fig. 1 is a three-dimensional structural schematic diagram of a traction pin for easy connection of a trailer.

Fig. 2 is a cross-sectional view of the front view of the positioning cylinder in the traction pin for easy connection of the trailer.

Fig. 3 is a side view of the positioning rod in the traction pin for easy connection of the trailer.

Fig. 4 is an enlarged schematic diagram of the structure of the traction pin in Fig. 2 for easy connection of the trailer.

In the figure: 1. traction seat; 2. positioning cylinder; 3. fixed traction pin; 4. first positioning through hole; 5. fixed plate; 6. positioning rod; 7. telescopic spring; 8. positioning ring; bit ring; 10, bearing; 11, fixed block; 12, first limit block; 13, first pull ring; 14, third positioning through hole; 15, clamp rod; 16, second positioning through hole; 17, Mounting plate; 18, second limit block; 19, second pull ring; 20, limit through hole; 21, connecting block; 22, pin shaft.

Detailed ways

In describing the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention. Novel and simplified descriptions do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the utility model. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, a feature defined as "first", "second", etc. may expressly or implicitly include one or more of that feature. In the description of the present utility model, unless otherwise specified, "plurality" means two or more.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention through specific situations.

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1-4, in the utility model, a traction pin for easy connection of a trailer includes a traction seat 1, the upper surface of the traction seat 1 is fixedly connected with a positioning cylinder 2, and a fixed plate 5 is installed inside the traction seat 1. The right side of fixed plate 5 offers limit through hole 20, and the inside of positioning cylinder 2 is provided with fixed traction pin 3, and the outer surface of fixed traction pin 3 is provided with the first positioning through hole 4, and the inside of limit through hole 20 is provided with. Position bar 6 is arranged, and the outer surface of position bar 6 is provided with telescopic spring 7, and the left end of telescopic spring 7 is fixedly connected with the right side of fixed plate 5, and the right end of telescopic spring 7 is fixedly connected with locating ring 8, and the locating ring 8 The inner wall is fixedly connected with the outer surface of the positioning rod 6 , and the upper surface of the positioning rod 6 is provided with a second positioning through hole 16 .

The right side of the traction seat 1 is fixedly connected with a fixed block 11, the upper surface of the fixed block 11 is provided with a third positioning through hole 14, the inside of the third positioning through hole 14 is provided with a clamping rod 15, and the bottom end of the clamping rod 15 runs through The second positioning through hole 16 extends to the bottom of the positioning rod 6, the top of the fixed traction pin 3 is fixedly connected with the first stopper 12, and the upper surface of the first stopper 12 is fixedly connected with the first pull ring 13. The cooperation of the fixed block 11 and the clamping rod 15 can position the positioning rod 6, strengthen the stability of the fixed traction pin 3, and prevent the fixed traction pin 3 from falling off. Through the cooperation of the first limiting block 12 and the first pull ring 13, It is convenient for the staff to install and disassemble the fixed traction pin 3, so as to improve the work efficiency of the staff.

The top of the positioning cylinder 2 is fixedly connected with the limit ring 9, the inner ring of the limit ring 9 is fixedly connected with the bearing 10, the left end of the positioning rod 6 is fixedly connected with the second limit block 18, and the left side of the second limit block 18 The second pull ring 19 is fixedly connected, and the left side of the traction seat 1 is fixedly connected with a symmetrical connection block 21, and the left side of the two connection blocks 21 are jointly hinged with a mounting plate 17 through a pin shaft 22. The cooperation of 9 and bearing 10 can facilitate the rotation of fixed traction pin 3, reduce the wear and tear of fixed traction pin 3 on the inner wall of positioning cylinder 2, and use the cooperation of connecting block 21 and mounting plate 17 to facilitate the installation of the device by the staff. The cooperation of the two limit blocks 18 and the second pull ring 19 facilitates the staff to pull the positioning rod 6, and further facilitates the staff to locate the fixed traction pin 3.

The working principle of the utility model is:

When in use, first install the device stably on the corresponding position of the trailer through the mounting plate 17, and when it is necessary to connect the traction pin, pick up the fixed traction pin 3 through the first pull ring 13, and insert the fixed traction pin 3 into the position Inside the barrel 2, the first stop block 12 is used to limit the fixed traction pin 3, and at the same time, the positioning rod 6 is pulled to the left through the second pull ring 19, and when the fixed traction pin 3 is inserted, the right end of the positioning rod 6 is penetrated. The first positioning through hole 4 locates the fixed traction pin 3, and uses the elasticity of the telescopic spring 7 to apply force to the positioning rod 6 in real time to increase the stability of the fixed traction pin 3, prevent the trailer from being out of the pin when it is moving, and improve driving safety. sex.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (6)

1. A towing pin for facilitating connection of a trailer, characterized in that: including traction seat (1), traction seat's (1) upper surface fixed intercommunication has positioning tube (2), traction seat's (1) internally mounted has fixed plate (5), spacing through-hole (20) have been seted up to the right flank of fixed plate (5), positioning tube's (2) inside is equipped with fixed towing pin (3), first positioning through-hole (4) have been seted up to the surface of fixed towing pin (3), the inside of spacing through-hole (20) is equipped with locating lever (6), the surface cover of locating lever (6) is equipped with extension spring (7), the left end and the right flank fixed connection of fixed plate (5) of extension spring (7), the right-hand member fixedly connected with retainer plate (8) of extension spring (7), the inner wall and the surface fixed connection of locating lever (6) of retainer plate (8), second positioning through-hole (16) have been seted up to the upper surface of locating lever (6).

2. A kingpin for facilitating connection of a trailer as defined in claim 1, wherein: the right side fixedly connected with fixed block (11) of traction seat (1), third location through-hole (14) have been seted up to the upper surface of fixed block (11), the inside of third location through-hole (14) is equipped with clamping lever (15), the bottom of clamping lever (15) runs through second location through-hole (16) and extends to the below of locating lever (6).

3. A kingpin for facilitating connection of a trailer as defined in claim 1, wherein: the top of fixed towing pin (3) fixedly connected with first stopper (12), the upper surface fixedly connected with first pull ring (13) of first stopper (12).

4. A kingpin for facilitating connection of a trailer as defined in claim 1, wherein: the top of the positioning cylinder (2) is fixedly connected with a limiting ring (9), and the inner ring of the limiting ring (9) is fixedly connected with a bearing (10).

5. A kingpin for facilitating connection of a trailer as defined in claim 1, wherein: the left end fixedly connected with second stopper (18) of locating lever (6), the left surface fixedly connected with second pull ring (19) of second stopper (18).

6. A kingpin for facilitating connection of a trailer as defined in claim 1, wherein: the left side face of the traction seat (1) is fixedly connected with symmetrical connecting blocks (21), and the left side faces of the two connecting blocks (21) are hinged with a mounting plate (17) through a pin shaft (22).

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