CN2451375Y

CN2451375Y - Multifunction tow-bar

Info

Publication number: CN2451375Y
Application number: CN 00264856
Authority: CN
Inventors: 邢宝熙
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-12-15
Filing date: 2000-12-15
Publication date: 2001-10-03
Anticipated expiration: 2010-12-15

Abstract

The utility model relates to a multifunction tow-bar, composed of a locking hook, a main pipe, an auxiliary pipe and a draw rod. The main pipe and the auxiliary pipe are connected through a spring pin. A lock body is provided with a movable pin which is engaged with a rack bar on the locking hook. A spring and the draw rod are arranged in the main pipe. The auxiliary pipe can be assembled with an umbrella and a spade. The utility model has the advantages of convenient assembly, convenient disassembly, firm combination, multifunction, small size and convenient carrying, and is suitable for drawing various vehicles and the use of the operation of the vehicles.

Description

Multi-functional trailer thick stick

The utility model relates to a kind of drafting tool, in particular for the draw bar of the dilatory usefulness of self-propelled vehicle.

At present, when adopting at trailer and between the rigidity connecting rod to tow synchronously by trailer, trailer start or the brake stopped process in, can cause by trailer not steadily, draw bar is heavy usually, therefore installing/dismounting complexity, and function singleness seldom carry with car.

The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, thereby provides a kind of trailer steady, light durable, simple and direct, the portable multi-functional trailer thick stick of loading and unloading.

The purpose of this utility model realizes in the following way:

This trailer thick stick is by lock hook (1), lock body (2), be responsible for (8), looped pipeline (22), pull bar (10) and plug (14) are formed, wherein, lock hook (1) is the U type, insert in the lock body (2) at two ends, one end of U type end has tooth bar, with removable pin (4) engagement on the lock body (2), lock body (2) is located at looped pipeline (22) one ends, link with spring (6), looped pipeline (22) is provided with straight pin, can engage with the loam cake mother (7) who is responsible for (8) end, be responsible in (8) and have pull bar (10), spring (11) and (13), pull bar (10) end has plug (14), and plug (14) has spring (15) successively, cutting ferrule (16), straight pin (17) and Plastic cap (18) have spring grab (20) on the cutting ferrule (16).

Removable pin (4) is a stepped appearance, and the bottom has spring (5).

With the trailer thick stick is supporting parasols arranged, have the anti-avulsion pin on its handle of umbrella.

Be furnished with spade (25) mutually with the trailer thick stick, have pin (27) in its spade connector (24), the shovel face both sides have blade and sawtooth respectively, and the sawtooth end can be provided with and open a bottle groove.

Trailer thick stick outside face can have reflective sheeting.

The utility model compared with prior art has following advantage:

But more piece is used, and volume is gently little, is easy to carry, mounting or dismounting are convenient, in conjunction with firmly, simple and quick, diverse in function, of many uses, possess multiple uses such as spade, umbrella, cutter, saw,, can realize traction by the conversion lock hook for dissimilar cars, the thick stick body has reflector sign, is suitable for using night.

The utility model is described in further detail below in conjunction with accompanying drawing:

Fig. 1 is the utility model master cutaway view;

Fig. 2 is the utility model outside drawing;

Fig. 3 is the parasols constructional drawing;

Fig. 4 is the spade constructional drawing.

In Fig. 1: (1) lock hook; (2) lock body; (3) tooth bar; (4) removable pin; (5) spring; (6) spring; (7) loam cake mother; (8) be responsible for; (9) locating bush; (10) pull bar; (11) spring; (12) pull bar mother; (13) spring; (14) plug; (15) spring; (16) cutting ferrule; (17) straight pin; (18) Plastic cap; (19) axle-steel silk back-up ring; (20) spring grab; (22) looped pipeline.

In Fig. 2: (21) edge connector; (22) secondary bar; (23) lock body; (26) pin; (28) reflective sheeting.

In Fig. 4: (24) spade connector; (25) spade; (27) pin.

The A place is the bowl bearing among the figure in addition; The B place is a surface bearing; The C place is a plane of constraint.

It is 20 kilometers/hour that this trailer thick stick design limit is drawn driving speed, and pulling force is 4 tons.

Claims

1, a kind of multi-functional trailer thick stick, by lock hook (1), lock body (2), be responsible for (8), looped pipeline (22), pull bar (10) and plug (14) are formed, it is characterized in that: lock hook (1) is the U type, insert in the lock body (2) at two ends, one end of U type end has tooth bar, with removable pin (4) engagement on the lock body (2), lock body (2) is located at looped pipeline (22) one ends, link with spring (6), looped pipeline (22) is provided with straight pin, can engage with the loam cake mother (7) who is responsible for (8) end, be responsible in (8) and have pull bar (10), spring (11) and (13), pull bar (10) end has plug (14), and plug (14) has spring (15) successively, cutting ferrule (16), straight pin (17) and Plastic cap (18) have spring grab (20) on the cutting ferrule (16).

2, trailer thick stick according to claim 1 is characterized in that: removable pin (4) is a stepped appearance, and the bottom has spring (5).

3, trailer thick stick according to claim 1 is characterized in that: with the trailer thick stick is supporting parasols arranged, have the anti-avulsion pin on its handle of umbrella.

4, trailer thick stick according to claim 1 is characterized in that: be furnished with spade (25) mutually with the trailer thick stick, have pin (27) in its spade connector (24), the shovel face both sides have blade and sawtooth respectively, and the sawtooth end can be provided with and open a bottle groove.

5, trailer thick stick according to claim 1 is characterized in that: trailer thick stick outside face can have reflective sheeting.