DE102006054003A1 - Radiator for vehicle, has heat exchange element and container with coolant connected with heat exchanger, where container has connection element, which is formed as telescopic device - Google Patents

Abstract

The The invention relates to a radiator for a vehicle with a heat exchanger element (2) and at least one connected to the heat exchanger element (2) container (3, 4) with cooling liquid, which container (3, 4) has a connection element (5, 6) for connecting a coolant line, which with one with the coolant to be cooled Component of the vehicle is connectable, wherein the connecting element (5) is designed as a telescopic device.

Description

The The invention relates to a cooler for a vehicle with a heat exchanger element and one with the heat exchanger element connected containers with coolant, which container a connection element for connecting a coolant line, which with one with the coolant to be cooled Component of the vehicle is connectable.

Radiator assemblies for vehicles are known in many ways. Thus, in particular water cooler according to the preamble of claim 1 in general design and functionality are known. In addition, from the DE 34 90 571 C2 a fluid coupling assembly for an oil cooler of a vehicle known. From this prior art, an oil cooler is known in which a heat exchange element of the radiator is arranged between headers formed as a container for the oil. The headers have cylindrical extensions to which cooling hoses can be attached. These cylindrical extensions are designed as rigid and length-stable elements.

at modern vehicles is located in the engine compartment, where a radiator can be, minimizes the space. Individual components in the engine compartment are not or only relatively difficult to access. Especially in case of service is therefore often a relatively high effort required to principle Repair and installation work to make. In particular, the cooler or Partial elements of this are often in the way. The cooler is generally fixed and can not be moved and then has to be removed explicitly.

Therefore It is the object of the present invention to provide a cooler in which a simplified handling during service work guaranteed in the engine compartment can be.

These Task is done by a cooler, which has the features of claim 1, solved.

One Cooler according to the invention for a vehicle comprises a heat exchanger element and at least one with the heat exchanger element connected containers, in the cooling liquid is included. The container has a connection element for connecting a coolant line, which coolant line with one with the coolant to be cooled Component of the vehicle is connectable. The connection element is designed as a telescopic device. By this configuration can in a relatively simple and low-effort way at a central location the radiator an embodiment can be achieved which a position shift of Partial elements or the entire cooler allows. This can be the accessibility to parts of the radiator or else to other components arranged adjacent thereto be greatly facilitated.

Prefers the connection element has at least two tubular telescope segments which are formed movable relative to each other in the axial direction. The spacing of the radiator too other components of the vehicle can thereby easily and depending on the situation easily be set. The accessibility can thus be adjusted at any time and according to need.

Prefers is the connecting element in the collapsed state by a Locking device can be locked. This can cause unwanted opening of the Telescope device can be prevented. By this configuration can satisfy high safety requirements in the operation of the vehicle become. In particular, pressurized fluid while the operation of the vehicle by this fixing device is not enough exit the connection element.

Prefers the fixing device is arranged on the connection element. A preferably immediate arrangement ensures a compact design and a mechanically stable connection. The fixing device is preferred firmly arranged on the connection element. It can be a one-piece design be provided. The fixing device preferably comprises at least two sub-elements which are separable, each one of these Partial elements of the fixing device on one of the telescope segments of the connection element is arranged.

The Fixing device is preferably a screw and a threaded portion is on an outer side of a first telescope segment and a union nut on an outside arranged the second telescope segment. Even in hard to reach Areas such as those found in the engine compartment, for example Nevertheless, by such a specified embodiment, a secure activity guaranteed become. The union nut Can be opened or closed at any time to fix the device to open or close and thus also to pull apart the telescopic connection or push together.

It However, it can also be provided that the fixing device a Locking connection or the like. In principle, for the fixing device each releasable Connection be provided to the effect that the telescopic device open, but also safe to hold together.

The union nut is preferably formed on a on the outer side of the second telescope segment Supported bridge. As a result, a mechanical stabilization can be created and the Positioning reliable at all times be guaranteed. Especially if the union nut is formed as a separate element to the telescope segment is a Such trained web advantageous.

At the web is preferably arranged a circumferential sealing element. In particular, this sealing element is facing at the threaded portion Side of the bridge formed. It can preferably be provided that this sealing element on a side surface of the web and a stop area the union nut at the opposite side surface abut this bridge. When locking the fixing device and thus while holding the collapsed state of the telescopic connection then an optimal sealing effect can be achieved. coolant can in the region of the formed as a telescopic connection connection element do not leak.

In Preferably, the individual telescopic segments of the connecting element sealed against each other. Also in the extended state the telescopic connection can then escape of coolant be prevented at the interfaces of the telescopic segments.

Prefers the telescopic device is retractable and the radiator in the engine compartment of the vehicle after movable front. The cooler is preferably in a defined forwardly movable front end of the vehicle installed. Preference is given to a position-stable Arrangement provided in the front end. For example, a frontend can one or more mounting brackets as well as bumpers and Include bumper crossmember. In such a frontend can For example, one or more coolers, headlights, sensors, be installed. In modern vehicles of the Applicant is provided that this front end can be released from the screw and relative can be moved to the other parts. In particular, it is here provided that at a repair position of the vehicle in case of service the front end can be released from the gland and then, for example 70 mm can be swiveled forward. This can work space be recovered in the engine compartment and assembly work, repair work and the like can easier and easier.

at Previous configurations of such arranged in a front end cooler is provided that the connected to the connection element Hose or the coolant line with an enlarged length there is going to be trained that when moving forward the front end also the cooler can be moved forward and extended by this Hose a corresponding movement can be performed without the cooler emptied and separated from the hose. Through this redundant length However, the hose is a loss of space in the engine compartment area given, which undesirable is.

By the embodiment of the invention cooler In particular, such a prolonged embodiment of a Hose can be avoided, as by the telescopic connection in particular in such a service case, the front end and the arranged thereon cooler can be swiveled forward and the telescopic connection is extended. Is the service work the cooler can stop and the front end pushed back into the final installation position be, whereby the telescopic connection is pushed together. Space can be saved, because then in the installation position no redundantly long part in the engine compartment, such as the tubeless, available is.

The Connection element and / or the fixing device can off Plastic be formed. This can be a cost effective and Weight-reduced design allows. The on the connection element attached fixing device or at the telescope segments attached sub-elements of the fixing device can be integral with be formed of the respective telescopic segments made of plastic. Likewise, however, an embodiment of another material, for example, metal, be provided.

Of the cooler is especially as a water cooler trained and the coolant is in particular cooling water.

Usually includes a cooler two containers with coolant, which with a heat exchanger element are connected. From a container is the coolant over the Connection element and the connected coolant line to be cooled Component promoted and then over a second coolant line from the to be cooled Component coming over a second connection element which is connected to the second container is, in this second container returned and in the promotion through the heat exchanger element towards the first container will be a cooling this heated coolant reached. Both connection elements of the cooler are preferred as Telescope connections formed.

An embodiment of the invention will explained in more detail below with reference to schematic drawings. Show it:

1 a schematic front view of a cooler according to the invention;

2 a schematic plan view of the radiator according to 1 ;

3 a perspective view of a portion of the radiator according to 1 ;

4 a sectional view of the subsection according to 3 ;

5 a further perspective view of a partial section of the radiator according to 1 ;

6 a sectional view of the partial section according to 5 ; and

7 an enlarged sectional view of a section according to 4 ,

In The figures are the same or functionally identical elements with the provided the same reference numerals.

In 1 is a front view of a water cooler 1 for a vehicle, which is arranged in a front engine compartment of the vehicle. The water cooler 1 comprises a heat exchanger element 2 , which with a first container 3 and a second container 4 connected is. In the two containers 3 and 4 , Also referred to as water boxes, cooling liquid is included, which is cooling water in the embodiment. The with the radiator 1 component to be cooled, for example an internal combustion engine is via cooling hoses to the radiator 1 connected. These are both on the container 3 as well as on the container 4 connection elements 5 respectively. 6 arranged. With these connection elements 5 and 6 then the cooling liquid lines are connected or flanged to it.

The cooling liquid is from a container, such as the container 4 over the connection element 6 and promoted the connected coolant line to the internal combustion engine. As a result, a cooling effect is achieved. The return of the coolant from the engine to the radiator 1 then takes place via a coolant line, which with the connection element 5 and thus the other container 3 connected is. By removing the coolant from the tank 3 over the heat exchanger element 2 to the container 4 is guided, the cooling liquid is cooled.

The design, shape and arrangement of the components of the radiator 1 in the 1 and 2 is just an example.

In 3 is a partial section of the radiator 1 shown in the perspective view of the connecting element 5 on the container 3 or water tank is shown. In the in 3 shown state representation, the connection element is completely pulled apart. The connection element 5 includes in its telescope device three telescope segments 51 . 52 and 53 , which via a fixing device 7 which in the exemplary embodiment a union nut 71 and a threaded area 72 includes lockable. The union nut 71 is on an outside 51a ( 7 ) of the first telescope segment 51 arranged, the threaded area 72 on an outside 53a ( 7 ) of the third telescope segment 53 is arranged.

In the illustration according to 4 is a sectional view of 3 shown. In this illustration it can be seen that on the outside 51a of the first telescope segment 51 a circumferential jetty 8th is arranged, which serves as a stop web for the union nut 71 serves, which are at this footbridge 8th can support. Furthermore, between the individual telescope segments 51 to 53 circumferential sealing elements 9 and 10 arranged.

A coolant line, which is not shown, is connected to the first telescope segment 51 connected.

In 5 is shown a perspective view in which the connection element is shown in the fully collapsed state. This telescopic connection is guided into each other in this state and thus allows a space-saving and space-minimized configuration of this connection element 5 , It can be seen that the union nut 71 on the threaded area 72 is screwed and thereby this collapsed state of the telescopic connection is mechanically stable and fixed.

In 6 is a sectional view of 5 shown. The telescoped arrangement of the telescope segments 51 to 53 can be seen. The telescope segments 51 to 53 are pushed together so that they with their front edge areas to another sealing element 11 ( 7 ), which at the footbridge 8th is arranged, abut.

In the 3 and 4 is shown a situation in which an unillustrated front end of the vehicle in which the radiator 1 position stable, is pivoted forward and the engine compartment is easier to access for servicing. By trained as a telescopic connection connection element 5 can also do this with the frontend after ne be moved or swiveled by extending this telescopic connection to its maximum length.

In the 5 and 6 the condition is shown where the radiator 1 and the front end is fully moved back to the end position and the service work is virtually complete. By this configuration of the circuit element 5 is especially in case of service, the radiator 1 without emptying to move so that easier accessibility in the engine compartment can be made possible. The coolant does not need to be drained. In addition, this telescopic connection of the connecting element 5 with the telescope segments 51 to 53 and in particular also the sealing elements 9 . 10 . 11 and the fixation device 7 comprising the union nut 71 and the threaded area 72 , A mechanical configuration, which in normal operation of the radiator 1 can be performed by the funded coolant fluid pressure.

The exit of coolant in the area of the connection element 5 can be prevented even in the pressure-loaded state.

In 7 is an enlarged sectional view of a portion of 4 shown. In this illustration, it can be seen that the union nut 71 at the footbridge 8th on the back, wherein on the opposite side surface of this web 8th the flat sealing element 11 is arranged circumferentially. An internal thread 71a the union nut 71 Can be applied to the external thread of the threaded area 72 be screwed on.

The union nut 71 can as a separate element to the first telescope segment 51 be educated. However, it can also be provided that this union nut 71 , the bridge 8th and the first telescope segment 51 are integrally formed. The threaded area 72 is preferably in the third telescope segment 53 integrated trained. As from the illustration in 7 it can be seen, this thread area 72 at a front end area 53b formed on the outside. On the opposite inside of this front end area 53b a circumferential groove is formed in which the sealing element 10 is arranged. The sealing element 10 can be kept stable position and in the axial relative movement of the telescopic segments 52 and 53 mutually slipping this sealing element can be prevented.

The groove limiting ridges, between which the sealing element 10 is located to the inside of the telescope segment 53 designed raised, so that a stop for a circumferentially formed at the rear end web 52c of the second telescope segment 52 is trained. Complete withdrawal of the second telescope segment 52 from the third telescope segment 53 can be prevented by this stop device.

In a corresponding embodiment, the sealing element 9 at a front end area 52b arranged in a correspondingly formed groove. Again, the first telescope segment points 51 a web formed at the rear end 51b on, which also prevents the first telescope segment 51 from the second telescope segment 52 can be pulled out completely.

Claims (10)

Radiator for a vehicle with a heat exchanger element ( 2 ) and at least one with the heat exchanger element ( 2 ) connected containers ( 3 . 4 ) with cooling liquid, which container ( 3 . 4 ) a connection element ( 5 . 6 ) for connecting a coolant line which can be connected to a component of the vehicle to be cooled with the coolant, characterized in that the connecting element ( 5 ) is designed as a telescopic device. Radiator according to claim 1, characterized in that the connecting element ( 5 ) at least two tubular telescopic segments ( 51 . 52 . 53 ), which are designed to be movable relative to each other in the axial direction. Radiator according to claim 1 or 2, characterized in that the connecting element ( 5 ) in the collapsed state by a fixing device ( 7 ) is lockable. Cooler according to claim 3, characterized in that the fixing device ( 7 ) on the connecting element ( 5 ) is arranged. Cooler according to claim 3 or 4, characterized in that the fixing device ( 7 ) is a screw connection and a threaded area ( 72 ) on an outside ( 53a ) of a telescope segment ( 53 ) and a union nut ( 71 ) on an outside ( 51a ) of another telescope segment ( 51 ) is arranged. Radiator according to claim 5, characterized in that the union nut ( 71 ) on one on the outside ( 51a ) of the further telescope segment ( 51 ) formed bridge ( 8th ) is supported. Radiator according to claim 6, characterized in that on the web ( 8th ) a circumferential sealing element ( 11 ) is arranged. Radiator according to one of the preceding claims, characterized in that the telescopic segments ( 51 to 53 ) are sealed against each other. Radiator according to one of the preceding claims, characterized in that the telescopic device is extendable and the radiator ( 1 ) is movable forward in an engine compartment of the vehicle. Radiator according to one of the preceding claims, characterized in that the radiator ( 1 ) is installed in a defined forwardly movable front end of the vehicle.