JPH05215484A - Mounting device for condenser - Google Patents

Abstract

PURPOSE:To reduce manpower when a condenser is mounted at a part to be mounted. CONSTITUTION:A mounting shroud 1 for coupling a heat exchanging unit 110 of a radiator 100 to a heat exchanging unit 201 of a condenser 200 is composed of a cylinder 2 covering the outer periphery of the condenser 200, an upper mounting wall 3 formed at an inner peripheral side of an upper side of the cylinder 2, and a lower mounting wall formed at an inner peripheral side of a lower side of the cylinder 2. An upper bracket 202, the wall 3 and a part 106 to be mounted are arranged along the same straight line, a lower bracket, the lower mounting wall and the part to be mounted are arranged on the same straight line, and they are clamped together thereby to simplify a clamping operation of the condenser 200 to the radiator 100. An opposed piece 11 of the shroud 11 to the cylinder 2 is so formed that heated air diffused from the unit 110 of the radiator 100 does not enter into the front sides of the radiator 100 and the condenser 200.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a condenser mounting apparatus for mounting a condenser of an air conditioner for a vehicle, for example, on a vehicle body or a radiator for a vehicle through a shroud.

[0002]

2. Description of the Related Art Conventionally, for example, Japanese Utility Model Laid-Open No. 59-3288.
The technique disclosed in Japanese Patent No. 6 employs a technique in which a mounting piece is coupled to a frame that holds a bent portion of a tube of a condenser, and the other end of this mounting member is fixed to a mounted portion on a vehicle body side. Was. In Japanese Utility Model Laid-Open No. 3-13209, one end of a mounting bracket is joined by welding to a frame that holds a bent portion of a tube of a condenser, and the other end of the bracket is for an automobile. The technology to fasten it to the attached part of the radiator was adopted.

[0003]

However, in the prior art, one end of the mounting bracket has to be joined to the frame by welding or the like, and the condenser is mounted on the vehicle body or on the radiator. It has been a cause of increasing the number of man-hours required for mounting on. It is an object of the present invention to provide a condenser mounting device that reduces the number of work steps when mounting the condenser to a mounting portion.

[0004]

SUMMARY OF THE INVENTION According to the present invention, a heat exchange section for exchanging heat between a gas refrigerant and a liquid refrigerant, and a condenser having a bracket on a side portion of the heat exchange section are attached to an attached section. A condenser mounting device to be mounted, comprising a tubular portion covering the outer periphery of the condenser, and an inner peripheral side of the tubular portion, one end side of which is fixed in contact with the bracket, and the other end side of which is fixed. A technical means including a mounting wall portion that is fixed while being in contact with the mounted portion is adopted.

[0005]

[Function] One end of the mounting wall of the condenser mounting device,
The condenser bracket is fixed in contact with the bracket, and the condenser wall is fixed in contact with the other end of the mounting wall of the condenser mounting device. Therefore, the condenser can be easily attached to the attached portion through the attachment device of the condenser.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A condenser mounting device according to the present invention will be described based on an embodiment shown in the drawings. 1 to 7 show a first embodiment of the present invention, and FIG. 1 is a view showing a structure of a main part of a structure in which a condenser and a radiator are integrated, and FIGS.
FIG. 3 is a diagram showing an overall structure of a structure in which a condenser and a radiator are integrated. In the first embodiment, the condenser 200 of the vehicle air conditioner is attached to the vehicle radiator 100 via the attachment shroud 1.

The radiator 100 has a conventionally known structure, and has a substantially rectangular shape. This radiator 1
00 has an upper tank 101, a lower tank 102, and a plurality of tubes (not shown) that connect the upper tank 101 and the lower tank 102 to each other. Upper tank 101
An inlet pipe 104 for introducing cooling water from an engine (not shown) into the inside is connected to this, and a water injection cap 105 opened when replenishing the cooling water is fitted. Further, the upper tank 101 is provided with a mounted portion 106 for fixing the upper side portion of the mounting shroud 1. The lower tank 102 is connected with an outlet pipe 107 for drawing out cooling water from the inside to the engine side, and an engaging projection 108 for attaching the radiator 100 to the vehicle body is formed. Further, the lower tank 102 is provided with an attached portion 109 for fixing the lower portion of the attachment shroud 1. The plurality of tubes form a heat exchange section 110 together with corrugated fins (not shown) connected between the tubes. 1
03 is a heat exchange part 1 for reinforcing the heat exchange part 110.
It is a U-shaped side bracket fixed to both sides of 10 by means such as welding. Further, 111 and 112 are metal insert nuts fitted in the attached portions 106 and 109 of the radiator 100.

The condenser 200 is a so-called multi-flow type condenser, and has a substantially rectangular shape, and the heat exchanging portion 20 for exchanging heat between the gas refrigerant flowing inside and the cooling air to change it into a liquid refrigerant.
1, an upper bracket 202 fixed to the upper end of the heat exchange section 201, and a lower bracket 203 fixed to the lower end of the heat exchange section 201. An inlet header tank 204 for introducing gas refrigerant from a compressor (not shown) is coupled to the left end of the heat exchange unit 201, and condensed and liquefied at the right end of the heat exchange unit 201. An outlet header tank 205 for connecting the liquid refrigerant to the expansion valve (not shown) side is connected. The inlet header tank 204 and the outlet header tank 205 are connected by a plurality of tubes 206.

Pipe joints 207 and 208 for connecting refrigerant pipes (not shown) are arranged in the inlet header tank 204 and the outlet header tank 205. Corrugated fins 209 that are bent in a wave shape are thermally coupled between the tubes 206. The upper bracket 202 has a U-shaped cross section, and has a base plate part 211 fixed to the upper side of the heat exchange part 201 by means such as welding, and both side ends of the base plate part 211 to the mounting shroud 1 side. It is composed of two side plate portions 212 that are erected. Similarly, the lower bracket 203 has the heat exchange section 2
Board part 213 fixed to the lower side of 01 and this board part 2
Two side plate portions 214 are provided upright on both sides of the mounting shroud 1 from both side ends. Such a condenser 20
Each component of No. 0 is made of aluminum alloy and is connected to each other by means such as brazing.

FIGS. 4 to 7 are views showing the mounting shroud 1. The attachment shroud 1 is a condenser attachment device of the present invention, and is a rectangular tubular frame made of a resin material, the condenser 200 is located inside, and the heat exchange section 110 of the radiator 100 and the condenser 200 are disposed. Heat exchange section 20
It also has the function of a wind guide duct connecting with 1. The base of the mounting shroud 1 is a tubular portion 2, which has a hollow portion slightly larger than the outer shape of the condenser 200 so as to cover the outer periphery of the condenser 200. On the inner peripheral side of the upper side portion of the tubular portion 2, an upper mounting wall portion 3 is integrally formed over the entire width of the upper side portion of the tubular portion 2. The upper mounting wall portion is the side plate portion 21 of the upper bracket 202.
It is extended so as to abut 2. Further, the lower mounting wall portion 4 is extended in a substantially right-angled direction from the inner peripheral side of the lower side portion of the tubular portion 2 so as to come into contact with the side plate portion 214 of the lower bracket 203 in the same manner. Therefore, the outer side surface of the side plate portion 212 contacts the front side surface of the upper mounting wall portion 3, and the outer side surface of the side plate portion 214 contacts the front side surface of the lower mounting wall portion 4.

The rear surface of the upper mounting wall portion 3 abuts on the mounted portion 106 formed in the upper tank 101 of the radiator 100, and the rear surface of the lower mounting wall portion 4 is the lower portion of the radiator 100. Attached part 1 formed on the tank 102
It abuts 09. A plurality of ribs 5 that reinforce the upper mounting wall portion 3 are formed on the rear side surface of the upper mounting wall portion 3, that is, the surface of the upper mounting wall portion 3 on the radiator 100 side. A plurality of ribs 6 that reinforce the lower mounting wall portion 4 are also formed on the front side surface of the lower mounting wall portion 4, that is, on the surface of the lower mounting wall portion 4 opposite to the radiator 100 side. Then, the insertion hole 8 for the bolt 7 formed in the upper mounting wall portion 3
Is an insertion hole 10 for a bolt 9 formed in the lower mounting wall portion 4.
It is arranged in line.

From the inner peripheral surface of the upper mounting wall portion 3, there is formed a facing piece portion 11 whose opening end portion is opposed to the outer peripheral edge of the heat exchange portion 110 of the radiator 100 with a minute gap therebetween. .. In addition, from the inner peripheral surface of the lower mounting wall portion 4, in the same manner, the opening end portion has the heat exchange portion 110 of the radiator 100.
Opposing piece part 1 which is arranged to face the outer peripheral edge of the substrate with a minute gap therebetween.
2 is formed. The opposing piece 11 is the core plate 1 formed in the upper tank 101 of the radiator 100.
The cross-sectional shape is L-shaped so as to avoid the condenser 200 side of No. 13. Further, the facing piece portion 12 is similarly provided with the core plate 114 of the lower tank 102 of the radiator 100.
The cross-sectional shape is L-shaped so as to avoid the condenser 200 side.

At the open end of the tubular portion 2 on the side opposite to the radiator 100, a widened portion 13 is integrally formed with the tubular portion 2. The flared portion 13 has a space between the inner peripheral surfaces that increases toward the end portion, and the wall thickness is thinner than other portions and has flexibility. When the radiator 100 and the condenser 200 are installed in the engine room of the automobile, the widened portion 13 is pressed against the radiator upper support (not shown) of the vehicle body. Then, on the left side and the right side of the tubular portion 2, back wall portions 14 and 15 that cover the back surfaces of the inlet header tank 204 and the outlet header tank 205 of the condenser 200 that project from the heat exchange portion 110 of the radiator 100 are provided. It is integrally formed.
Further, in the left side portion and the right side portion of the tubular portion 2 where the pipe joints 207 and 208 are adjacent to each other, concave portions 16 and 17 in which the tubular portion 2 is retracted from other portions are formed in order to avoid the pipe joint 207. Has been done.

An example of a procedure for attaching the condenser 200 of the first embodiment to the radiator 100 will be described with reference to FIGS. 1 to 7. First, the upper mounting wall portion 3 of the mounting shroud 1 is pressed against the mounted portion 106 formed in the upper tank 101 of the radiator 100, and then the lower mounting wall portion 4
Is pressed against the mounted portion 109 formed in the lower tank 102 of the radiator 100. At this time, the upper mounting wall 3
Opposing piece 11 and the core plate 11 of the upper tank 101
3 and the facing piece 12 of the lower mounting wall 4 and the core plate 114 of the lower tank 102 are engaged with each other. Next, the side plate portion 21 of the upper bracket 202 of the condenser 200
2 is pressed against the upper mounting wall portion 3, and further the side plate portion 214 of the lower bracket 203 is pressed against the lower mounting wall portion 4.

Then, by tightening the bolt 7, the side plate portion 212 of the upper bracket 202, the upper mounting wall portion 3 of the mounting shroud 1 and the mounted portion 106 of the upper tank 101 are fastened together. Further, by tightening the bolt 9, the side plate portion 21 of the lower bracket 203 is
4, the lower mounting wall portion 4 of the mounting shroud 1 and the mounted portion 109 of the lower tank 102 are fastened together. In this way, the condenser 200 and the mounting shroud 1 are
Since it can be fastened together with the radiator 100 by 9, the bolts required for fixing to each radiator 100 are unnecessary. For this reason, the number of fastening components such as bolts can be reduced, and the fastening work of the condenser 200 to the radiator 100 can be greatly simplified.

After performing the above-mentioned mounting work,
A structure (module) in which the condenser 200 and the radiator 100 are integrated is fixed to the front side of the engine room of an automobile by a conventionally known method. At that time, the expansion portion 13 formed in the cylindrical portion 2 of the mounting shroud 1 is a partition wall (not shown) including a radiator support, a radiator upper support, a front cross member, etc. in the engine room. It is fixed while being pressed against. Further, the upper mounting wall portion 3 and the lower mounting wall portion 4 of the mounting shroud 1 are connected to the heat exchange portion 11 of the radiator 100.
Since it is provided on the outside of 0, it is equal to the size of the heat exchange section 110 of the radiator 100, or the heat exchange section 110.
A condenser 200 having a heat exchange section 201 of a size larger than the size of the above can be attached to the radiator 100.

The operation of the mounting shroud 1 of the first embodiment will be briefly described with reference to FIGS. 1 to 7. Cooling air introduced by a cooling fan (not shown) or the like into the engine room of the automobile is guided to the tubular portion 2 of the mounting shroud 1 and passes through the heat exchange portion 201 of the condenser 200. At this time, the cooling air exchanges heat with the gas refrigerant flowing through the plurality of tubes 206 of the condenser 200 and is heated.
Then, all the cooling air heated by the condenser 200 is guided to the tubular portion 2, the facing piece portions 11 and 12 and the back wall portions 14 and 15 of the mounting shroud 1 and passes through the heat exchange portion 110 of the radiator 100. To do. At this time, heat is exchanged with the cooling water flowing in the plurality of tubes, and the cooling air is further heated to become heated air, which is blown out to the rear side of the heat exchange unit 110.

The heated air blown out from the radiator 100 tries to pass through the side of the radiator 100 and return to the front side of the radiator 100 again. However, the tubular portion 2 of the mounting shroud 1 causes the radiator 100 to move. Prevents heated air from entering the front side. Further, the rear side of the radiator 100 and the front side of the condenser 200 are completely blocked by a partition wall including a radiator support, a radiator upper support, a front cron member, and the like, and the tubular portion 2 of the mounting shroud 1 to completely cut off the radiator 100. It is prevented that the heated air blown from is introduced again to the front side of the condenser 200.

FIG. 8 shows the second embodiment of the present invention, and is a view schematically showing the state of attachment of the condenser to the vehicle body, as viewed from the side. The condenser 200 is installed in the engine room 301 of the vehicle body, and the shroud 1 and the radiator 1 are installed.
It is distributed with 00. The mounting shroud 1 has a flared portion 13 only on the upper side portion of the tubular portion 2, and the tubular portion 2 extends to the side opposite to the radiator 100 on the lower side portion and the left and right side portions of the tubular portion 2. It has a blown shape.
The widened portion 13 on the upper side of the tubular portion 2 is in contact with the radiator upper support 302. A projecting wall 19 is formed on the outer peripheral surface of the lower side of the tubular portion 2 so as to extend in a direction substantially perpendicular to the tubular portion 2, and the projecting wall 19 is disposed facing the front cross member 303 with a minute gap therebetween. Has been done. Here, 304 is a bonnet cover for covering the engine room 301, 305 is a front grill for introducing cooling air into the engine room 301,
306 is a bumper of the automobile.

9 to 11 show a third embodiment of the present invention and are views showing a structure in which a condenser and a radiator are integrated. In this third embodiment, the mounting shroud 1
Two insertion holes 21 for the bolts 20 and two screw holes 23 for the bolts 22 are formed in the upper mounting wall portion 3 of FIG. On the side opposite to the radiator 100 of the insertion hole 21, the bolt 2
A recess 24 for accommodating the 0 head is formed. Further, the outer peripheral surface of the lower mounting wall portion 4 is fitted into an engaging recess (not shown) formed in the lower tank 102 of the radiator 100 via an elastic body (not shown) such as a bush. Engagement protrusions (not shown) are formed. 25
Is an insert nut made of metal having a screw hole 23 formed in the inner periphery thereof, and is fitted to the front side of the upper mounting wall portion 3.

An example of a procedure for attaching the condenser 200 of the third embodiment to the radiator 100 will be described with reference to FIGS. 9 to 11. First, while the mounting shroud 1 is tilted slightly toward the front, the engaging protrusion of the lower mounting wall portion 4 is fitted into the engaging recess of the lower tank 102 of the radiator 100. Then, the upper mounting wall portion 3 of the mounting shroud 1 is attached to the mounted portion 1 formed in the upper tank 101 of the radiator 100.
06, and as shown in FIG. 10, the bolt 20 is tightened to fix the upper mounting wall portion 3 of the mounting shroud 1 and the mounted portion 106 of the upper tank 101, and the mounting shroud 1 to the radiator 100. Install.

Next, the upper bracket 2 of the condenser 200
The side plate part 212 of No. 02 is pressed against the upper mounting wall part 3. At this time, since the head portion of the bolt 20 is housed in the recess 24, the upper bracket 202 abuts on the upper mounting wall portion without being obstructed by the head portion of the bolt 20. Then, as shown in FIG. 11, by tightening the bolt 22, the upper mounting wall portion 3 of the mounting shroud 1 and the upper bracket 20 are attached.
The second side plate portion 212 is fixed, and the condenser 200 is attached to the attachment shroud 1. By such a simple attachment work, the condenser 200 is attached to the radiator 100 via the attachment shroud 1.

[Modification] In this embodiment, the mounting wall portion of the mounting shroud is mounted on the radiator tank.
The mounting wall may be attached to a component fixed to the vehicle body,
Further, the mounting wall portion may be directly attached to the vehicle body. In this embodiment, the tubular portion and the mounting wall portion of the mounting shroud are integrally and continuously formed, but the tubular portion and the mounting wall portion may be separately formed. For example, the tubular portion may be made of resin and the mounting wall portion may be made of metal. An air duct may be connected to the front side of the mounting shroud in order to completely block the heated air flowing around the front of the condenser. In this embodiment, the multi-flow type condenser is used, but a so-called serpentine type condenser having a meandering tube may be used.

[0024]

According to the present invention, the condenser can be easily attached to the attached portion without using means such as welding, so that the number of working steps and the cost can be reduced. Further, since the attachment means covers the outer periphery of the condenser, it is possible to prevent the heated air blown from the condenser from flowing around the front of the condenser.

[Brief description of drawings]

FIG. 1 is a sectional view showing a main part of a first embodiment of the present invention.

FIG. 2 is a front view showing the first embodiment of the present invention.

3 is a cross-sectional view taken along the line AA of FIG.

FIG. 4 is a front view showing a mounting shroud applied to the first embodiment of the present invention.

FIG. 5 is a top view showing a mounting shroud applied to the first embodiment of the present invention.

FIG. 6 is a side view showing a mounting shroud applied to the first embodiment of the present invention.

7 is a cross-sectional view taken along line BB of FIG.

FIG. 8 is a side view schematically showing an attachment state of a condenser applied to a second embodiment of the present invention to a vehicle body.

FIG. 9 is a front view showing a third embodiment of the present invention.

10 is a cross-sectional view taken along line CC of FIG.

11 is a cross-sectional view taken along the line DD of FIG.

[Explanation of symbols]

 1 Mounting shroud (condenser mounting device) 2 Cylindrical part 3 Upper mounting wall part 4 Lower mounting wall part 100 Radiator 106 Mounted part 109 Mounted part 110 Radiator heat exchange part 200 Condenser 201 Condenser heat exchange Part 202 Upper bracket 203 Lower bracket

Claims (1)

[Claims] 1. A condenser mounting device for mounting a heat exchange section for exchanging heat of a gas refrigerant to a liquid refrigerant, and a condenser having a bracket on a side portion of the heat exchange section, on a mounting section. A cylindrical portion covering the outer periphery of the condenser, and a state in which one end side is fixed to the inner peripheral side of the cylindrical portion with the bracket abutting, and the other end side abuts the attached portion. A mounting device for a condenser, comprising: a mounting wall portion fixed by the.