CN2233861Y - Locking device for coupling device of trail car air hose - Google Patents

Abstract

The utility model discloses a locking device which is assembled on the hose quick joint of a towing trailer or a container carrier, comprising two parts: a first part is composed of a rectangular cover casing which is cut by structural steels and is provided with drilled pin holes, and a welded vertical flange with buckle bores, and a second part is a flange with an angle, buckle holes, the pin of a welding plug. When the utility model is in use, a tongue-shaped element penetrates a tongue hole to insert into the locking device, the cover casing with a flange covers the air hole of an air connector, and a lock penetrates the buckle hole to lock the air connector. The locking device can be made of structural steels by different technology of bending, cutting, drilling, and welding.

Description

The blocking device of trailer air hose coupling

The utility model relates to the anti-joyride device of container lorry and drawbar trailer, especially relates to a kind of blocking device that is contained on the air hose coupling and uses the lock locking.

Because automobile, truck and trailer stolen and to appropriate phenomenon serious day by day, thus just need in a hurry a kind of safety system and antitheft, make and can not travel and lockout mechanism.Yet, though the device that much is contained in the automobile has been arranged and by automobile repair aftermarket product supplied, prevent that the people from reaching tractor truck by the trailer or container lorry that is at a stop, and loads onto air hose and then they are driven away but still lack a kind of actv. blocking device.Tend to take place one and be used for just finding after the specific purpose trailer drives away that it can not finish the purpose that will reach.

U.S. Patent No. 3,004 has been described a kind of widely used safety device on 421, and this device is enclosed within on the steering yoke bolt and is inserted into then in the slit.The price of this cylindrical shape locking device be about to, but it has a shortcoming, if promptly impaired words just must be removed it with the acetylene cutting torch.

Recently also having many patents is that blocking device is contained near trailer air hose coupling place (being commonly referred to gladhand), and these patents comprise: US Patent 4,226,103; 4,325,237; 4,693,096; 4,732,018; 4,738,126; 5,076,077 and 5,129,243.These one type of prior art syringe have a common purpose, prevent from exactly to hang up air hose under the situation of taking off this device not in emergent side air hose coupling or around the emergent side air hose coupling.

A purpose of the present utility model is, a kind of blocking device is provided, it is contained in or is enclosed within on the air couplings of trailer or container lorry, can guarantee that the safety of the fleet of trailer and/or container lorry also can be inserted airport and prevent freezing of the emergent air duct of holding with the hole that a ligulate or pin insert pass on the case.

For achieving the above object, technical solution of the present utility model is: a kind of blocking device that is used for fixing trailed trailer or fixedly has the container lorry of the air feed coupling that is used for air brake, wherein, this blocking device comprises two members, member (1) is one around the rectangle of coupling and have the case of flange, one hole is arranged on this case, a pin or ligulate insert as member (2) can pass in the airport of this hole insertion coupling, flange case and flange insert have the hasp hole that matches, and the hasp of lock can pass this hasp hole that matches with fixing whole device.

The gladhand blocking device of tractor truck and trailer air braking system can be processed in a continuous manner by thin plate steel and a rectangular case and semicircle hasp hole flange, and a ligulate insert then passes case and is inserted in the airport.This gladhand blocking device also can be made by rectangular pipe and the flange with band angle of a pin insert.

We find, the stolen and unauthorized generation of starting without authorization of trailer that the device of forming with a kind of case and pin/tongue of novelty can prevent to be equipped with power-absorption fan more effectively.Except as firm and use the simple blocking device, this device can also prevent that in the winter time sealing enters airport and freezes, if water glaciated work in pipeline can cause drg to unclamp.The attempt that destruction is covered the described blocking device on the air couplings of emergent end will make trailer start, in case this is that drg just can not discharge because coupling is damaged in accident or stealthy activity.If on operation side coupling, use this device, just do not have brake action from trailer brake.

Described device can be produced with all different metal working process with aluminium, cast iron or steel easily.It can come punching press, welding, boring to process by a continuous or intermittent production procedure.Because this device not only simply but also firm, so also can manufacture such as modes such as cutting and welding, metal mold casting and sand casting processs with some other.

Though the case of simple rectangular wall has been enough to be applicable to air hose coupling 90% or more, what have also need open individual breach or make the fitfull shape on case.No matter it still is gap that this device is made the fitfull shape, have all drawbar trailers or container lorry that this device of pin or ligulate insert just can be widely used in using in the international trade.

Below in conjunction with accompanying drawing the utility model is described in detail.

Fig. 1 shows device of the present utility model, and it is positioned on the air feed coupling and is in a latched position.

Fig. 2 shows the device of the present utility model on a trailer, and it is set on the air feed coupling of the other emergent end of illumination bindiny mechanism.

The situation that the ligulate insert of device of the present utility model passes case has been shown among Fig. 3.

Fig. 4 is a schematic diagram, and the two parts that show this device are how to be assembled on an air hose or the gladhand coupling.

Now see also Fig. 1.Device of the present utility model comprises two parts, wherein bigger part is that a surface is case 1 rectangle and that have the semicircular flanges 2 that a pin-and-hole and has the hasp hole, wherein less part then is one also to have the semicircular flanges 3 and a tongue 4 in hasp hole, this device is fixedly linked up with lock 5 handlebar devicies and air couplings (gladhand), wherein, this tongue inserts in the airport.

Referring to Fig. 2, there is shown by a lock 5 positions fixing, two-part blocking device.Welding an and flange that have hasp hole arranged for rectangle and case 1 with a pin-and-hole on it comprising a: surface, one has the pin 4 that flange angle and that have the hasp hole has a welding on it, the air couplings 6 of one emergent end, the illumination bindiny mechanism 7, one of one trailer is contained in the air couplings 8 of the air feed end on the trailer nose base plate 9.

Referring to Fig. 3, the device that among the figure being can be quantity-produced, have erose case 1 and tongue 4, case can be used with the coupling or the gladhand of large-size.

Referring to Fig. 4, there is shown the situation that two parts of described device are installing.The tongue patchhole is arranged on the case 1 and have the semicircular flanges 2 in hasp hole, another member then is made up of second half round flange 3 and tongue 4 with hasp hole, the tongue 4 of this member passes in the airport of the trailer air couplings shown in the patchhole reeve figure on the case, thereby links up with the air couplings of trailer.

The utility model both had been applicable to the military coml vehicle conveyance system that also is applicable to industrial, and it is stolen or unauthorizedly start without authorization that it is used for preventing being equipped with the drawbar trailer of power-absorption fan or the power-absorption fan on the container lorry.Production methods more described below and example do not limit practical range of the present utility model.Method A:

The rectangular configuration steel of certain-length is cut into the size that can cover the case on the air feed coupling of a standard.On cover, bore the hole that to insert steel pin.Cut one section angle bar and get out the hasp hole in the above, again it is welded on the plane that is drilled with pin-and-hole of case to form a vertical flange.The angle bar that is used for doing the same size of another flange is also got out a hasp hole and a pin-and-hole.One pin is inserted into the pin-and-hole that gets out and welds by welding.Smoothly make blocking device two parts be convenient to hand once to hold operation with burr are smooth.In addition, also can be on this device bethanizing, zinc coating, varnish with lacquer or carry out coloud coding.Method B:

Begun by sheet material, case forms the rectangular shape with semicircular flanges by angled bending and punching press.Carry out laser drill, each contact edge of welding case.Semicircular flanges with crooked tongue also is to be made by sheet material, and the hasp hole on it is also formed by laser drill.Then, these two parts can be protected by coloud coding, japanning or zinc-plated, nickel.Method C:

In order to make two members preferably not separated, can pass two hasp holes of these two members with a chain or little lead.When not required, chain or little lead can temporarily or for good and all be taken away.Give an example 1

A kind of blocking device, it comprises that two steel plates with certain-length through welding and boring also form with method A manufacturing, as shown in Figure 2, cover in the air couplings of an emergent end with it when it uses.This device can lock with a lock easily, thereby does not have key just can't start the trailer of a former tailor-made a certain special-purpose.This device is better than the device of traditional center pin formula in the use, because in a single day conventional apparatus is damaged burning-off in addition.But there have been 28 such devices to be used for a garage management system to manage a fleet to trailer and transport trolley place under repair.Give an example 2:

A kind of blocking device advantage made from method A or B is that it can connect together two parts easily by a chain or a little lead.By with the semi-round or flange of rectangle and by cutting out breach and can make this blocking device be applicable to the various types of gladhands that use in the international trade contact to case or cover cap.Give an example 3

The blocking device that only is suitable for 90 percent air hose coupling described in example 1 and the example 2 is made some again revise, the rectangular undersurface that is about to case cuts a part, thereby makes case can be applicable near air feed coupling thicker airport.Like this, just can further be applicable to remaining 10 the coupling in the present use.

Claims (4)

1. blocking device of iron or steel that is used for fixing trailed trailer or fixedly has the container lorry of the air feed coupling that is used for air brake, it is characterized in that, this blocking device comprises two members, member (1) is one around the rectangle of coupling and the case of tool flange, one hole is arranged on this case, can pass this hole as a pin of member (2) or ligulate flange insert inserts in the airport of a coupling, its flange case and flange insert have the hasp hole that matches, and the hasp of lock can pass this hasp hole that matches with fixing whole device.

2. blocking device as claimed in claim 1 is characterized in that described flange is a rectangle, and insert in the airport in the hole that a pin insert can pass on the case.

3. blocking device as claimed in claim 1 is characterized in that described flange is semi-round, and insert in the airport in the hole that a ligulate insert can pass on the case.

4. as the described blocking device of claim 1-3, it is characterized in that having the coating of zinc or nickel on member (1) and (2), be not subjected to weather effect to guarantee it.

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