CN205168082U

CN205168082U - Trailer drive mechanism

Info

Publication number: CN205168082U
Application number: CN201521051760.1U
Authority: CN
Inventors: 翁永祥; 顾明岳
Original assignee: Ningbo Gold Is Foreignized Work Logistics Co Ltd
Current assignee: Ningbo Gold Is Foreignized Work Logistics Co Ltd
Priority date: 2015-12-16
Filing date: 2015-12-16
Publication date: 2016-04-20
Anticipated expiration: 2025-12-16

Abstract

The utility model discloses a trailer drive mechanism, including pulling the seat and all being located hook lock, lever, control rod, wedge, control rod spring and the towing pin subassembly that pulls foot stall portion, the hook lock is with to pull the seat each other articulated to steerable hook lock is rotatable to be resetd, among the foretell trailer drive mechanism, the towing pin subassembly includes screw, nut and bolt, the screw pass behind lever and the control rod with the nut spiro union, the axial terminal surface of nut is provided with a plurality of breach, the screw includes a radial through -hole, bolt plug is in the through -hole, and its both ends are located the breach. The utility model discloses a trailer drive mechanism can avoid the bolt to drop and the potential safety hazard that causes.

Description

A kind of trailer draw gear

Technical field

The utility model belongs to a kind of trailer accessory field, is specifically related to a kind of trailer draw gear.

Background technology

Trailer is generally all provided with trailer coupling, trailer coupling generally all includes lever and control lever, described control lever can drive lever to move, including diameter between described lever and control lever is the screw of 16mm and the latch of 2mm, described screw is directly through after lever and control lever, and described latch is horizontally through latch thus lever and control lever are interconnected.But such anatomical connectivity is insecure, and latch easily comes off and causes potential safety hazard.

Utility model content

(1) technical matters that will solve

The technical problems to be solved in the utility model to propose a kind of well-set trailer draw gear, to solve the problem that latch comes off.

(2) technical scheme

For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of trailer draw gear, comprises traction seat and is all positioned at hook lock, lever, joystick, wedge, joystick spring and the towing pin assembly bottom traction seat;

Described hook lock and traction seat are hinged, and can control the rotatable reset of hook lock;

Described joystick can traction seat can transverse shifting relatively, and the two ends of described joystick spring are connected with traction seat and joystick respectively thus joystick is moved towards traction seat direction;

One end and the traction seat of described lever are hinged, the other end by towing pin assembly and joystick hinged;

Described wedge is connected with lever, and described lever can drive wedge to move to make wedge and hook lock realize locking and coordinates or unblank to coordinate;

In above-mentioned trailer draw gear, described towing pin assembly includes screw, nut and latch; Described screw is spirally connected with nut through after lever and joystick, and the axial end of described nut is provided with several breach, and described screw includes a radial through hole, and described latch is plugged in through hole, and its two ends are positioned at breach.

In above-mentioned trailer draw gear, described screw and nut are welded to each other.

In above-mentioned trailer draw gear, also comprise hook lock spring, the two ends of described hook lock spring connect hook lock and traction seat respectively, and described hook lock spring controls hook lock automatic rotation and resets.

(3) beneficial effect

Trailer draw gear of the present utility model, arranges screw and nut structure, improves fastness, and by the mode of latch and nut clamping, so further increase fastness.Weld after screw and nut spins in addition, achieve the connection of multipass approach, thus actv. avoids lever to be separated with joystick, improves safety performance.

Accompanying drawing explanation

Fig. 1 is the structural representation of trailer draw gear of the present utility model when unblanking;

Structural representation when Fig. 2 is trailer draw gear locking of the present utility model

Fig. 3 is the cutaway view of A-A in Fig. 1;

Fig. 4 is the cutaway view of B-B in Fig. 3;

1 be traction seat, 2 be hook lock in figure, 3 be lever, 4 be joystick, 5 be wedge, 6 be joystick spring, 7 be towing pin assembly, 8 be hook lock spring, 1 for traction mouth, 71 be screw, 72 be nut, 73 for latch.

Detailed description of the invention

Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.

A kind of trailer draw gear as Figure 1-Figure 2, comprises traction seat 1 and is all positioned at hook lock 2, lever 3, hook lock spring 8, joystick 4, wedge 5, joystick spring 6 and the towing pin assembly 7 bottom traction seat 1.

Described hook lock 2 is hinged with traction seat 1, and can control the rotatable reset of hook lock 2;

Described joystick 4 can traction seat 1 can transverse shifting relatively, and the two ends of described joystick spring 6 are connected with traction seat 1 and joystick 4 respectively thus joystick 4 is moved towards traction seat 1 direction.

The two ends of described hook lock spring 8 connect hook lock 2 and traction seat 1 respectively, and described hook lock spring 8 controls hook lock 2 automatic rotation and resets.

One end and the traction seat 1 of described lever 3 are hinged, and the other end is hinged by towing pin assembly 7 and joystick 4.

Described traction seat 1 includes traction mouth 11, and described traction mouth 11 is all positioned at traction mouth 11 place for placing described wedge 5 and hook lock 2.

Described wedge 5 is connected with lever 3, and described lever 3 can drive wedge 5 to move to make wedge 5 and hook lock 2 realize locking and coordinates or unblank to coordinate;

As shown in Figure 3 and Figure 4, described towing pin assembly 7 includes screw 71, nut 72 and latch 73; Described screw 71 is through lever 3 and joystick 4 is rear and nut 72 is spirally connected, therefore the fastness that improve between lever 3 and joystick 4, lever 3 is prevented to be separated with joystick 4, the axial end of described nut 72 is provided with 8 breach 74, described screw 71 includes a radial through hole 75, described latch 73 is plugged in through hole 75, its two ends are positioned at breach 74, thus nut loosening can be limited by actv., in order to increase the fastness between lever 3 and joystick 4, the utility model is encouraged described screw 71 and is welded to each other with nut 72.

Described traction seat 1 includes traction mouth 11, and described traction mouth 11, cooperatively interact between wedge 5 and hook lock 2 interlocking.

The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims

1. a trailer draw gear, it is characterized in that, described trailer draw gear comprises traction seat (1) and is all positioned at the hook lock (2) of traction seat (1) bottom, lever (3), joystick (4), wedge (5), joystick spring (6) and towing pin assembly (7);

Described hook lock (2) and traction seat (1) are hinged, and can control hook lock (2) rotatable reset;

Described joystick (4) can traction seat (1) can transverse shifting relatively, and the two ends of described joystick spring (6) are connected with traction seat (1) and joystick (4) respectively thus joystick (4) is moved towards traction seat (1) direction;

One end and the traction seat (1) of described lever (3) are hinged, and the other end is hinged by towing pin assembly (7) and joystick (4);

Described wedge (5) is connected with lever (3), and described lever (3) can drive that wedge (5) is mobile to be made wedge (5) and hook lock (2) realize locking to coordinate or unblank to coordinate;

Described towing pin assembly (7) includes screw (71), nut (72) and latch (73); Described screw (71) is spirally connected with nut (72) afterwards through lever (3) and joystick (4), the axial end of described nut (72) is provided with several breach (74), described screw (71) includes a radial through hole (75), described latch (73) is plugged in through hole (75), and its two ends are positioned at breach (74).

2. trailer draw gear according to claim 1, is characterized in that, described screw (71) and nut (72) are welded to each other.

3. trailer draw gear according to claim 1, it is characterized in that, also comprise hook lock spring (8), the two ends of described hook lock spring (8) connect hook lock (2) and traction seat (1) respectively, and described hook lock spring (8) controls hook lock (2) automatic rotation and resets.