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

Abstract

The utility model discloses a traction pin convenient for connection of a trailer, which comprises a traction seat, wherein the upper surface of the traction seat is fixedly communicated with a positioning cylinder, a fixed plate is arranged in the traction seat, a limiting through hole is formed in the right side surface of the fixed plate, a fixed traction pin is arranged in the positioning cylinder, a first positioning through hole is formed in the outer surface of the fixed traction pin, a positioning rod is arranged in the limiting through hole, a telescopic spring is sleeved on the outer surface of the positioning rod, the left end of the telescopic spring is fixedly connected with the right side surface of the fixed plate, a positioning ring is fixedly connected with the right end of the telescopic spring, and the inner wall of the positioning ring is fixedly connected with the outer surface of the positioning rod. The device can position the fixed traction pin by penetrating the right end of the positioning rod through the first positioning through hole, and the positioning rod is forced in real time by utilizing the elasticity of the telescopic spring, so that the stability of the fixed traction pin is improved, and the occurrence of pin dislocation during the movement of the trailer is prevented.

Description

Traction pin convenient for connection of trailer

Technical Field

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

Background

The traction pin is a bearing part of a cargo tractor for dragging a semitrailer, and belongs to chassis parts. The locking mechanism has the function of realizing the engagement and locking with the traction pin of the semi-trailer, and can transmit horizontal force and vertical force between the semi-trailer traction vehicle and the semi-trailer. It is covered by the semitrailer during use, so it is not a conspicuous component but is a very critical component.

The chinese patent with publication number CN215622335U discloses a trailer traction seat convenient to connect, the lubrication assembly is installed on the top surface of the traction seat, the oil tank is fixedly inlaid in the installation port, the inside of the rubber sealing film is adhered with the movable top plate, the even activity of movable top plate top surface is inlaid with the oil guiding bead, the oil absorbing sponge is adhered at the position corresponding to the oil guiding bead on the bottom surface of the movable top plate, the oil plug is installed in the oil filling hole through the screw thread, the guiding assembly is installed in the interface, the positioning clamp is installed at one end in the interface, the clamping connection pipe is inlaid in the clamping connection groove, the protruding hole is provided at one end of the clamping connection pipe, the second ball is placed between one end of the extrusion spring and the protruding hole, but inconvenient positioning is carried out on the traction pin in the above patent, the traction pin is easy to be caused when the trailer moves, the pin is easy to shake, and the pin is easy to be separated when shaking is serious.

Disclosure of Invention

The utility model aims to provide a traction pin for facilitating connection of a trailer, so as to solve the problems in the prior art.

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

the utility model provides a towing pin that trailer is convenient for connect, includes the traction seat, the last fixed surface intercommunication of traction seat has a locating cylinder, the internally mounted of traction seat has the fixed plate, spacing through-hole has been seted up to the right flank of fixed plate, the inside of locating cylinder is equipped with fixed towing pin, first locating through-hole has been seted up to the surface of fixed towing pin, the inside of spacing through-hole is equipped with the locating lever, the surface cover of locating lever has telescopic spring, telescopic spring's left end and the right flank fixed connection of fixed plate, telescopic spring's right-hand member fixedly connected with retainer plate, the inner wall and the surface fixed connection of locating lever of retainer plate, the second locating through-hole has been seted up to the upper surface of locating lever.

In a further embodiment, the right side of the traction seat is fixedly connected with a fixing block, a third positioning through hole is formed in the upper surface of the fixing block, a clamping rod is arranged in the third positioning through hole, and the bottom end of the clamping rod penetrates through the second positioning through hole and extends to the lower side of the positioning rod.

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

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

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

In a further embodiment, the left side surfaces of the traction seat are fixedly connected with symmetrical connecting blocks, and the left side surfaces of the two connecting blocks are hinged with a mounting plate through a pin shaft.

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

this device is through the right-hand member of locating lever runs through first location through-hole and can fix a position fixed towing pin, utilize the elasticity of extension spring to apply force to the locating lever in real time, increase fixed towing pin's stability, take place to take off the round pin when preventing the trailer motion, improve the security of driving, through the cooperation of spacing ring and bearing, can conveniently fix the towing pin and rotate, reduce fixed towing pin to the wearing and tearing of locating cylinder inner wall, utilize the cooperation of connecting block and mounting panel, make things convenient for the staff to install the device, through the cooperation of fixed block and clamping bar, can fix a position the locating lever, strengthen fixed towing pin's stability, inconvenient location to the towing pin in having solved above-mentioned patent, lead to the towing pin to rock easily in the trailer motion, can lead to the problem of off-pin when serious.

Drawings

Fig. 1 is a schematic perspective view of a kingpin for facilitating connection of a trailer.

Fig. 2 is a cross-sectional view of a front view of a locating cylinder in a kingpin of a trailer for facilitating connection.

Fig. 3 is a side view of the locating lever in the kingpin of the trailer for facilitating connection.

Fig. 4 is an enlarged schematic view of the kingpin at a in fig. 2 for facilitating the connection of a trailer.

In the figure: 1. a traction seat; 2. a positioning cylinder; 3. fixing the traction pin; 4. a first positioning through hole; 5. a fixing plate; 6. a positioning rod; 7. a telescopic spring; 8. a positioning ring; 9. a limiting ring; 10. a bearing; 11. a fixed block; 12. a first limiting block; 13. a first pull ring; 14. a third positioning through hole; 15. a clamping rod; 16. a second positioning through hole; 17. a mounting plate; 18. a second limiting block; 19. a second pull ring; 20. limiting through holes; 21. a connecting block; 22. and a pin shaft.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, in the utility model, a traction pin for facilitating connection of a trailer comprises a traction seat 1, wherein the upper surface of the traction seat 1 is fixedly communicated with a positioning cylinder 2, a fixing plate 5 is installed in the traction seat 1, a limit through hole 20 is formed in the right side surface of the fixing plate 5, a fixed traction pin 3 is arranged in the positioning cylinder 2, a first positioning through hole 4 is formed in the outer surface of the fixed traction pin 3, a positioning rod 6 is arranged in the limit through hole 20, a telescopic spring 7 is sleeved on the outer surface of the positioning rod 6, the left end of the telescopic spring 7 is fixedly connected with the right side surface of the fixing plate 5, the right end of the telescopic spring 7 is fixedly connected with a positioning ring 8, the inner wall of the positioning ring 8 is fixedly connected with the outer surface of the positioning rod 6, and a second positioning through hole 16 is formed in the upper surface of the positioning rod 6.

The right side fixedly connected with fixed block 11 of traction seat 1, third location through-hole 14 has been seted up to the upper surface of fixed block 11, the inside of third location through-hole 14 is equipped with draw-in bar 15, the bottom of draw-in bar 15 runs through second location through-hole 16 and extends to the below of locating lever 6, the top fixedly connected with first stopper 12 of fixed towing pin 3, the last fixed surface of first stopper 12 is connected with first pull ring 13, cooperation through fixed block 11 and draw-in bar 15 can fix a position locating lever 6, strengthen the stability of fixed towing pin 3, avoid fixed towing pin 3 to take place to drop, cooperation through first stopper 12 and first pull ring 13 makes things convenient for the staff to install and dismantle fixed towing pin 3, improve staff's work efficiency.

The top fixedly connected with spacing ring 9 of positioning tube 2, the inner circle fixedly connected with bearing 10 of spacing ring 9, 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, the left surface fixedly connected with symmetrical connecting block 21 of traction seat 1, the left surface of two connecting blocks 21 articulates through round pin axle 22 jointly has mounting panel 17, through the cooperation of spacing ring 9 and bearing 10, can conveniently fix the towing pin 3 and rotate, reduce the wearing and tearing of fixed towing pin 3 to positioning tube 2 inner wall, utilize the cooperation of connecting block 21 and mounting panel 17, make things convenient for the staff to install the device, utilize the cooperation of second stopper 18 and second pull ring 19, make things convenient for the staff to pull locating lever 6, further make things convenient for the staff to fix a position fixed towing pin 3.

The working principle of the utility model is as follows:

when the device is used, the device is stably installed at the corresponding position of the trailer through the mounting plate 17, when the traction pins are required to be connected, the fixed traction pins 3 are lifted through the first pull ring 13, the fixed traction pins 3 are inserted into the positioning cylinder 2, the fixed traction pins 3 are limited through the first limiting block 12, meanwhile, the positioning rod 6 is pulled leftwards through the second pull ring 19, when the fixed traction pins 3 are inserted, the right end of the positioning rod 6 penetrates through the first positioning through hole 4 to position the fixed traction pins 3, the positioning rod 6 is forced in real time through the elasticity of the telescopic spring 7, the stability of the fixed traction pins 3 is increased, the occurrence of pin removal when the trailer moves is prevented, and the driving safety is improved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to 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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