Hinge structure capable of restraining trailer from swinging

Abstract

The utility model belongs to the technical field of hinge structures capable of restraining a trailer from swinging, and particularly relates to a hinge structure capable of restraining the trailer from swinging, which comprises a front hanging arm assembly, a U-shaped hinge is arranged on the outer wall of the front hanging arm assembly, an anti-dropping clamp spring is arranged on the outer wall of the U-shaped hinge, a T-shaped hinge is arranged on the outer wall of the anti-dropping clamp spring, and a T-shaped hinge is arranged on the outer wall of the T-shaped hinge. A trailer is arranged on the outer wall of the T-shaped hinge, a shock absorber is arranged on the outer wall of the T-shaped hinge, and a locking nut is connected to the outer wall of the tail end thread in a threaded mode. According to the hinged structure capable of restraining the trailer from swinging, through the multiple connecting positions of the front hanging arm assembly, the U-shaped hinge, the T-shaped hinge and the like, flexible movement of the trailer in different directions is achieved, hanging connection convenience and connection tightness are ensured, the stability and safety of the trailer in the running process are improved, and the service life of the trailer is prolonged. And through cooperative use of the wave spring and the plane bearing, friction and abrasion are effectively reduced, and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the hinged structure technical field that can restrain trailer swing, concretely is a kind of hinged structure that can restrain trailer swing. BACKGROUND

[0002] Small and medium-sized towed vehicle currently hanged link usually uses the form of hook or similar hook, its movement degree of freedom is higher, even part structure exists certain loose, when high-speed driving multiple lane changing or meeting external force interference, easy to produce swing, even possibly out of control;Existing technology mainly balances trailer weight when designing, to reduce the amplitude of trailer swing and out-of-control probability;Some trailer anti-swing systems, a class of brake type anti-swing systems, when monitoring trailer swing, brake is applied to trailer, this method cost is higher, needs to apply different high-frequency change brake force to trailer left and right wheels respectively, and the difficulty of matching is big, and it can reduce driving speed, possibly affect the safe driving of rear vehicle;Another kind is to increase the mechanical friction structure of trailer and ground or trailer itself at trailer hanging arm, can restrain certain swing when trailer swings greatly, but its action time is limited, effect is unstable and easy to decay, also possibly affect low-speed large-angle turning, and need to be overhauled and maintained after each work.

[0003] At present, the existing hinged structure itself has no anti-swing system, and there is a certain loose at hinged place, subsequent mechanical friction type anti-swing structure is difficult to install, even if forcibly installed, there will be no obvious effect;And it cannot effectively support the work of trailer rear wheel turning, in view of this, a kind of hinged structure that can restrain trailer swing is provided. CONTENT OF UTILITY MODEL

[0004] The main purpose of the utility model is to provide a kind of hinged structure that can restrain trailer swing, to solve the problems raised in the above background technology.

[0005] To achieve the above object, the hinged structure that can restrain trailer swing provided by the utility model, including front hanging arm assembly, the outer wall of the front hanging arm assembly is provided with U-shaped hinge, the outer wall of the U-shaped hinge is provided with anti-drop snap spring, the outer wall of the anti-drop snap spring is provided with T-shaped hinge, the outer wall of the T-shaped hinge is provided with trailer, the outer wall of the T-shaped hinge is provided with shock absorber, the front hanging arm assembly includes:

[0006] Front hanging arm, the front hanging arm is by front fixed plate, middle circular arm and tail end thread, the outer wall of the front fixed plate is fixedly connected on the outer wall of towing vehicle, the outer wall of the middle circular arm is rotatably connected with wave spring and plane bearing, the wave spring is fixedly connected on the outer wall of plane bearing, and the end of wave spring away from plane bearing abuts on the outer wall of middle circular arm, the outer wall of tail end thread is threadedly connected with lock nut.

[0007] Preferably, the planar bearing is provided with two groups, and a snap spring groove is arranged between the two groups of planar bearings, and the snap spring groove is used for mounting and fixing a anti-falling snap spring to prevent the U-shaped hinge from falling off during rotation.

[0008] Preferably, the U-shaped hinge comprises a hanging opening arranged at the bottom of the U-shaped hinge, snap spring holes are arranged at the two sides of the U-shaped hinge, an anti-falling snap spring is rotatably connected to the inner wall of the snap spring hole, the snap spring groove is matched with the anti-falling snap spring, first hinge holes are arranged at the two sides of the U-shaped hinge, the anti-falling snap spring is mounted in the snap spring hole of the U-shaped hinge and is clamped into the snap spring groove of the front hanging arm, and the anti-falling snap spring ensures that the U-shaped hinge does not fall off during rotation, thereby improving the stability and safety of the whole hanging structure.

[0009] Preferably, a second hinge hole is arranged on the outer wall of the T-shaped hinge, the second hinge hole is hingedly connected to the first hinge hole through a cylindrical pin, a first hinge hole is arranged on the outer wall of the T-shaped hinge, and left and right wing holes are arranged at the two sides of the T-shaped hinge.

[0010] Preferably, a second hinge hole is arranged on the outer wall of the T-shaped hinge, the second hinge hole is hingedly connected to the first hinge hole through a cylindrical pin, a first hinge hole is arranged on the outer wall of the T-shaped hinge, and left and right wing holes are arranged at the two sides of the T-shaped hinge.

[0011] Preferably, a displacement sensor is fixedly connected to the inner wall of the shock absorber, the shock absorber comprises a left shock absorber, one end of the left shock absorber is hingedly connected to the outer wall of the left wing hole, the other end of the left shock absorber is hingedly connected to the outer wall of the left mounting hole, a right shock absorber is hingedly connected to the outer wall of the right wing hole, and one end of the right shock absorber away from the right wing hole is hingedly connected to the outer wall of the right mounting hole, so that the shock absorber can absorb the vibration and swing of the trailer during driving, and the stability and comfort of driving are improved.

[0012] The utility model provides a kind of articulated structure capable of inhibiting trailer swing.It has the following beneficial effects:

[0013] (1), the articulated structure capable of inhibiting trailer swing is realized flexible movement of trailer in different directions by front hanging arm assembly, U-shaped hinge and T-shaped hinge etc.

[0014] (2), the articulated structure capable of inhibiting trailer swing effectively absorbs the vibration and swing of the trailer in the driving process by installing left and right shock absorbers on the T-shaped hinge, improves the stability and comfort of driving, meanwhile, the displacement sensor is also equipped on the inner wall of the shock absorber, which can monitor the extension displacement of the shock absorber in real time, thereby indirectly monitoring the yaw angle of the trailer, providing accurate signal input for the control system, so that the control system can adjust the motion state of the trailer in real time according to the received signal, further inhibits the swing of the trailer, and improves the driving performance. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to the structures shown in these drawings without creative labor.

[0016] Figure 1 It is a three-dimensional structure schematic diagram of the present application;

[0017] Figure 2 It is an explosion structure schematic diagram of the present application Figure One ;

[0018] Figure 3 It is an explosion structure schematic diagram of the present application Figure Two ;

[0019] Figure 4 It is a working structure schematic diagram of the present application Figure One ;

[0020] Figure 5 It is a working structure schematic diagram of the present application Figure Two .

[0021] Explanation of reference numerals:

[0022] 1, front hanging arm assembly; 11, front hanging arm; 111, front fixed plate; 112, middle circular arm; 113, tail end thread; 114, snap spring groove; 12, wave spring; 13, plane bearing; 14, locking nut; 2, U-shaped hinge; 21, hanging mouth; 22, snap spring hole; 23, first hinge hole; 3, anti-dropping snap spring; 4, T-shaped hinge; 41, second hinge hole; 42, hinge hole one; 43, left wing hole; 44, right wing hole; 5, trailer; 51, hinge hole two; 52, left mounting hole; 53, right mounting hole; 6, shock absorber; 61, left shock absorber; 62, right shock absorber; 7, displacement sensor.

[0023] The purposes, functional features and advantages of the utility model will be further described in combination with embodiments with reference to the drawings. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figures 1-5 The utility model provides a kind of hinge structure capable of inhibiting trailer swing, including front hanging arm component 1, U-shaped hinge 2 is provided on the outer wall of front hanging arm component 1, anti-drop snap spring 3 is provided on the outer wall of U-shaped hinge 2, T-shaped hinge 4 is provided on the outer wall of anti-drop snap spring 3, trailer 5 is provided on the outer wall of T-shaped hinge 4, shock absorber 6 is provided on the outer wall of T-shaped hinge 4, front hanging arm component 1 includes:

[0026] Front hanging arm 11, front hanging arm 11 is by front fixed plate 111, middle part round arm 112 and tail end thread 113, front fixed plate 111 is fixedly connected on the outer wall of tractor, wave spring 12 and plane bearing 13 are rotatably connected on the outer wall of middle part round arm 112, wave spring 12 is fixedly connected on the outer wall of plane bearing 13, and the end of wave spring 12 away from plane bearing 13 is abutted on the outer wall of middle part round arm 112, wave spring 12 reduces the friction and abrasion of U-shaped hinge 2 in the process of rotation, improves service life, plane bearing 13 is provided with two groups, and snap spring slot 114 is arranged between two groups of plane bearing 13, lock nut 14 is threadedly connected on the outer wall of tail end thread 113.

[0027] Further, the U-shaped hinge 2 comprises a hanging opening 21, which is arranged on the bottom of the U-shaped hinge 2 and used for being hung on the middle circular arm 112 of the front hanging arm 11, so that the U-shaped hinge 2 can be conveniently connected with the front hanging arm 11. The two sides of the U-shaped hinge 2 are provided with clamping spring holes 22, and the inner walls of the clamping spring holes 22 are rotatably connected with anti-falling clamping springs 3. The clamping spring slots 114 are matched with the anti-falling clamping springs 3, and are used for installing and fixing the anti-falling clamping springs 3 to prevent the U-shaped hinge 2 from falling off during rotation. The anti-falling clamping springs 3 are installed in the clamping spring holes 22 of the U-shaped hinge 2 and clamped into the clamping spring slots 114 of the front hanging arm 11, so as to ensure that the U-shaped hinge 2 will not fall off during rotation, thereby improving the stability and safety of the whole hanging structure. The two sides of the U-shaped hinge 2 are provided with first hinge holes 23, the outer wall of the T-shaped hinge 4 is provided with second hinge holes 41, the second hinge holes 41 are hingedly connected with the first hinge holes 23 through a cylindrical pin, the outer wall of the T-shaped hinge 4 is provided with a first hinge hole 42, the two sides of the T-shaped hinge 4 are provided with a left wing hole 43 and a right wing hole 44, the outer wall of the trailer 5 is provided with a second hinge hole 51, the second hinge hole 51 is hingedly connected with the first hinge hole 42 through a cylindrical pin, the outer wall of the trailer 5 is provided with a left mounting hole 52 and a right mounting hole 53, the inner wall of the shock absorber 6 is fixedly connected with a displacement sensor 7, which can monitor the extension and retraction displacement of the shock absorber 6 in real time, thereby indirectly monitoring the yaw angle of the trailer 5, and providing accurate signal input for the control system. The shock absorber 6 comprises a left shock absorber 61, one end of the left shock absorber 61 is hingedly connected to the outer wall of the left wing hole 43, the other end of the left shock absorber 61 is hingedly connected to the outer wall of the left mounting hole 52, the outer wall of the right wing hole 44 is hingedly connected with a right shock absorber 62, one end of the right shock absorber 62 away from the right wing hole 44 is hingedly connected to the outer wall of the right mounting hole 53, and the left shock absorber 61 and the right shock absorber 62 are respectively hingedly connected to the left wing hole 43 and the right wing hole 44 of the T-shaped hinge 4, and the left mounting hole 52 and the right mounting hole 53 of the trailer 5. The shock absorber 6 can absorb the vibration and swing of the trailer 5 during driving, thereby improving the stability and comfort of driving.

[0028] It should be noted that the above-mentioned electrical components are all products of the prior art. According to the needs of use, the skilled in the art selects, installs and completes the debugging of the circuit to ensure that each electrical appliance can work normally. The components are all general standard components or components known to those skilled in the art. The structure and principle thereof can be known by the skilled in the art through technical manual or through conventional experimental method. The applicant does not make specific limitation here.

[0029] In the utility model, in use, first through the hanging mouth 21 of U-shaped hinge 2, it is hung in the middle circular arm 112 of front hanging arm 11, so that U-shaped hinge 2 can be conveniently connected with front hanging arm 11, then, anti-drop snap spring 3 is installed in the snap spring hole 22 of U-shaped hinge 2, and is clamped into the snap spring groove 114 of front hanging arm 11, ensure that U-shaped hinge 2 does not fall off in the rotating process, thereby improve the stability and security of the whole hanging structure, the second hinge hole 41 of T-shaped hinge 4 is hinged with the first hinge hole 23 of U-shaped hinge 2 through the cylindrical pin, so that T-shaped hinge 4 can be flexibly rotated relative to U-shaped hinge 2, and simultaneously, the hinge hole two 51 of trailer 5 is also hinged with the hinge hole one 42 of T-shaped hinge 4 through the cylindrical pin, to realize the flexible connection between trailer 5 and T-shaped hinge 4, one end of left shock absorber 61 is hinged on the left wing hole 43 of T-shaped hinge 4, and the other end is hinged on the left mounting hole 52 of trailer 5, and similarly, one end of right shock absorber 62 is hinged on the right wing hole 44 of T-shaped hinge 4, and the other end is hinged on the right mounting hole 53 of trailer 5, so that shock absorber 6 can effectively absorb the vibration and swing of trailer 5 in the driving process, to improve the stability and comfort of driving, and the inner wall of shock absorber 6 is also fixedly connected with displacement sensor 7, the sensor can monitor the telescopic displacement of shock absorber 6 in real time, through monitoring, the yaw angle of trailer 5 can be indirectly monitored, to provide accurate signal input for the control system, when trailer 5 swings in the driving process, shock absorber 6 will absorb and slow down the swing, and displacement sensor 7 will monitor the telescopic change of shock absorber 6 in real time, and the change is converted into electric signal and transmitted to the control system, and the control system can adjust the motion state of trailer 5 in real time according to the received signal, to further inhibit the swing of trailer 5, and improve the stability and safety of driving.

[0030] The above is only the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation made according to the utility model specification and the attached drawings, or direct / indirect application in other related technical fields under the inventive concept of the utility model is included in the patent protection range of the utility model.

Claims

1. An articulation structure capable of inhibiting trailer sway comprising a front hitch arm assembly (1) characterised in that: The outer wall of the front hanging arm assembly (1) is provided with a U-shaped hinge (2), the outer wall of the U-shaped hinge (2) is provided with a anti-off snap spring (3), the outer wall of the anti-off snap spring (3) is provided with a T-shaped hinge (4), the outer wall of the T-shaped hinge (4) is provided with a trailer (5), the outer wall of the T-shaped hinge (4) is provided with a shock absorber (6), the front hanging arm assembly (1) comprises: A front hanging arm (11), the front fixed plate (111) is fixedly connected to the outer wall of the tractor, the outer wall of the middle circular arm (112) is rotatably connected with the wave spring (12) and the plane bearing (13), the wave spring (12) is fixedly connected to the outer wall of the plane bearing (13), and the end of the wave spring (12) away from the plane bearing (13) abuts against the outer wall of the middle circular arm (112), and the outer wall of the tail end thread (113) is threadedly connected with the locking nut (14).

2. The articulating structure capable of suppressing trailer sway according to claim 1, wherein: The plane bearing (13) is provided with two groups, and the two groups of plane bearings (13) are provided with a snap spring groove (114) therebetween.

3. The articulating structure capable of suppressing trailer sway according to claim 1, wherein: The U-shaped hinge (2) comprises a hanging port (21), the hanging port (21) is formed in the bottom of the U-shaped hinge (2), the two sides of the U-shaped hinge (2) are provided with snap spring holes (22), the inner wall of the snap spring hole (22) is rotatably connected with the anti-off snap spring (3), and the snap spring groove (114) and the anti-off snap spring (3) are matched, and the two sides of the U-shaped hinge (2) are provided with first hinge holes (23).

4. The articulating structure capable of suppressing trailer sway according to claim 1, wherein: The outer wall of the T-shaped hinge (4) is provided with a second hinge hole (41), the second hinge hole (41) is hinged with the first hinge hole (23) through a cylindrical pin, the outer wall of the T-shaped hinge (4) is provided with a hinge hole (42), and the two sides of the T-shaped hinge (4) are provided with a left wing hole (43) and a right wing hole (44).

5. The articulating structure capable of suppressing trailer sway according to claim 1, wherein: The outer wall of the trailer (5) is provided with a second hinge hole (51), the second hinge hole (51) is hinged with the first hinge hole (42) through a cylindrical pin, and the outer wall of the trailer (5) is provided with a left mounting hole (52) and a right mounting hole (53).

6. The articulating structure capable of suppressing trailer sway according to claim 4, wherein: The inner wall of the shock absorber (6) is fixedly connected with a displacement sensor (7), the shock absorber (6) comprises a left shock absorber (61), one end of the left shock absorber (61) is hinged to the outer wall of the left wing hole (43), the other end of the left shock absorber (61) is hinged to the outer wall of the left mounting hole (52), the right wing hole (44) is hinged with a right shock absorber (62), and one end of the right shock absorber (62) away from the right wing hole (44) is hinged to the outer wall of the right mounting hole (53).

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