JP2002154318A - Attaching structure for condenser - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate the operation of attaching a condenser to a radiator and fabrication of the condenser and to reduce the costs. SOLUTION: Fixtures 21, each of which has a fitting portion 22 capable of being fitted over the end of a heater 11 on each side of the condenser 1 and a fixing piece 23 formed integrally with the fitting portion 22, are attached to the upper and lower ends of the header 11 by causing the fitting portions 22 to fit over the ends. The fixing pieces 23 of the fixtures 21 are fastened to the radiator 2 overlying the condenser, and the condenser 1 is attached to the radiator 2 to which a fan shroud 3 is attached in an overlying fashion.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure for a capacitor constituting a vehicle air conditioner mounted on a vehicle such as an automobile.

[0002]

2. Description of the Related Art As is well known, air conditioners for vehicles include:
An air conditioning unit including a blower fan, a heater core for heating and various dampers, a heating source system for introducing high-temperature engine cooling water to a heater core in the air conditioning unit, and a refrigerant for supplying a refrigerant to an evaporator in the air conditioning unit The system includes a control unit that controls the operation of the air conditioner for a vehicle in accordance with various conditions such as temperature and occupant preference. Here, the refrigerant system is provided with a condenser for cooling the high-temperature and high-pressure gas refrigerant from the compressor with outside air to condense and liquefy the gaseous refrigerant.

[0003] Generally, this condenser is installed so as to overlap with a radiator for cooling the engine cooling water, and is cooled together with the radiator by blowing outside air with an electric fan provided on the front side or the rear side. ing.

[0004]

By the way, a capacitor requires a bracket to be mounted on a radiator so as to overlap with the radiator. For this reason, the capacitor has to be fixed to the radiator by brazing or bolting an aluminum extruded material or a bracket formed by press working as a mounting bracket to the radiator. Furthermore, the capacitor must also be fixed by brazing, etc., to attach a plate-like guide plate or seal plate that improves the air flow, which takes time to manufacture the capacitor. Or, there was a problem that the cost increased.

The present invention has been made in view of the above circumstances, and has as its object to provide a capacitor mounting structure that can be easily mounted on a radiator, and that can be easily manufactured and reduced in cost. .

[0006]

According to a first aspect of the present invention, there is provided a condenser mounting structure in which a cylindrical header is provided on both sides of a cooling plate portion comprising a refrigerant tube and fins. A mounting structure in which a condenser is mounted on a cooling radiator for engine cooling water in a superimposed manner, comprising: a fitting portion capable of fitting to an end of the header; and a fixing piece integrally formed with the fitting portion. A fixture is attached by fitting the fitting portion to upper and lower ends of the header, and the fixing piece of the fixture is fastened and fixed to the radiator overlapped.

As described above, since the fittings of the fixing tool are fitted to the upper and lower ends of the headers on both sides of the capacitor, and the fixing pieces of the fixing tool are fastened and fixed to the radiator, the capacitor is very easily formed. Can be mounted in a state of being superimposed on the radiator. Therefore, the bracket formed by press working etc. is fixed to the header of the capacitor by brazing or bolting, and compared with the conventional technology of mounting to the radiator by this bracket,
The manufacturing cost of the capacitor can be significantly reduced. Further, since there is no need to integrally mount the bracket for each vehicle type, it is possible to use a common capacitor among the vehicle types, and it is possible to further reduce the cost of the capacitor.

According to a second aspect of the present invention, there is provided a capacitor mounting structure comprising:
2. The mounting structure for a capacitor according to claim 1, wherein a seal plate mounting piece to which a seal plate disposed on a side portion of the capacitor and the radiator which are overlapped with each other is mounted on the fixture. It is characterized by:

That is, since the seal plate mounting piece for mounting the seal plate which is disposed on the side of the condenser and the radiator for generating an efficient air flow is formed integrally with the fixture, the seal plate is formed. A separate bracket for attaching the bracket is not required, and it is not necessary to attach the bracket to the capacitor, so that the attaching work can be simplified and the cost can be reduced.

According to a third aspect of the present invention, there is provided a capacitor mounting structure,
3. The mounting structure for a capacitor according to claim 1, wherein a guide plate mounting piece to which a guide plate disposed along a longitudinal direction of the header of the capacitor is mounted on the fixture. It is characterized by having.

That is, since the guide plate mounting piece for mounting the guide plate which is disposed along the longitudinal direction of the header of the capacitor and improves the air flow to the capacitor is formed integrally with the fixture. This eliminates the need for a separate bracket for attaching the guide plate, and further eliminates the need to attach this bracket to the capacitor, thereby facilitating the attachment work.

According to a fourth aspect of the present invention, there is provided a capacitor mounting structure comprising:
The mounting structure for a capacitor according to any one of claims 1 to 3, wherein at least a fixture attached to a lower end of the header is engageable with an engaging portion provided at a lower end of the radiator. Is formed.

[0013] As described above, at least the fixture attached to the lower end of the header is formed with the guide portion that can be engaged with the engaging portion provided at the lower end of the radiator. The parts can be engaged and positioned and temporarily attached, thereby easily fastening and fixing to the fixing pieces.

According to a fifth aspect of the present invention, there is provided a capacitor mounting structure comprising:
5. The capacitor mounting structure according to claim 1, wherein the fixing piece of the fixing tool is fastened by a bolt for mounting a fan shroud provided with a fan on the radiator so as to overlap the fan shroud. And

That is, the fan shroud, the radiator, and the condenser are integrated into a superposed state by fastening and fixing the fixing piece of the fixture attached to the header of the condenser with the bolt for attaching the fan shroud provided with the fan to the radiator. Into a unit.

According to a sixth aspect of the present invention, there is provided a capacitor mounting structure comprising:
The mounting structure for a capacitor according to any one of claims 1 to 5, wherein the fixing tool is integrally formed of resin.

As described above, since the fixture for attaching the capacitor to the radiator is integrally molded of synthetic resin, even a complicated shape can be easily manufactured by injection molding, and a large number of moldings can be performed. Thereby, the unit price can be reduced. In addition, the weight of the component can be reduced, and the component can be easily attached to the header because of its elasticity.

According to a seventh aspect of the present invention, there is provided a capacitor mounting structure,
The mounting structure of a capacitor according to any one of claims 1 to 6, wherein an elastic vibration isolating member sandwiched between the capacitor and the radiator is provided between the capacitor and the radiator. Features.

That is, since the vibration damping member having elasticity is provided between the condenser and the radiator, the vibration from the road surface and the engine during the running of the vehicle is reliably absorbed by the vibration damping member, and the vibration caused by the vibration of the capacitor is generated. Defects can be reduced.

[0020]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment of a capacitor mounting structure according to the present invention. Figure 1
In FIG. 3, reference numeral 1 denotes a condenser, reference numeral 2 denotes a radiator for cooling engine cooling water, and reference numeral 3 denotes a fan shroud provided with an electric fan 3a.

The condenser 1 has a cooling plate section 12 comprising a pair of headers 11 provided on the left and right, a refrigerant tube 12a arranged between the headers 11, and fins 12b provided between the refrigerant tubes 12a. The header 11 on one side is provided with a refrigerant inlet pipe 14 into which the refrigerant is sent, and a cylindrical receiver 15 for separating the condensed refrigerant into gas and liquid.
It is fixed along the header 11.

Fixing tools 21 are mounted on the upper and lower ends of each header 11 of the capacitor 1. These fixtures 21 include a fitting part 22 formed in a cylindrical shape, a fixing piece 23 provided at an end of the fitting part 22, and a guide plate mounting piece formed on a peripheral surface of the fitting part 22. 24, and a seal plate mounting piece 25, and are integrally formed of synthetic resin.

A notch 26 is formed in the fitting portion 22 of the fixture 21 so as to extend in the longitudinal direction.
The fixture 21 is attached to the header 11 of the capacitor 1 by fitting the fitting portion 22 to the header 11 while allowing the cooling plate portion 12 of the capacitor 1 to enter the notch 26. .

Then, these fixtures 21 are connected to the condenser 1
The guide plate 31 is screwed and fixed to the guide plate mounting pieces 24 of the upper and lower fixing tools 21 in a state of being attached to the header 11 of the above, and the seal plate 32 is screwed to the seal plate mounting pieces 25 of the upper and lower fixing tools 21. It is designed to be stopped and fixed.

The connecting plate 3 is provided above and below the radiator 2.
3 are provided, and a through hole 34 is formed in the connecting plate 33 in the thickness direction. Further, the fan shroud 3 is formed with mounting pieces 35 near the upper and lower ends on the left and right sides, and the mounting pieces 35 are also formed with through holes 36.

The upper and lower ends of the header 11
With the condenser 1 and the radiator 2
When the fan shroud 3 and the fan shroud 3 are overlapped with each other, the fixing piece 2 of the fixing tool 21 attached to the head 11 of the condenser 1
3, the connecting plate 3 of the radiator 2
3 and the mounting piece 35 of the fan shroud 3
The bolt 41 is inserted into the through hole 23a, the through hole 34, and the through hole 36, and the nut 42 is screwed into the through hole 36a. 1, the radiator 2 and the fan shroud 3 are superimposed and fixed in an integrated state.

Here, as shown in FIG.
The fixture 21 attached to the lower side of the header 11 is formed with a bracket portion 44 having a guide piece (guide portion) 43 projecting downward, and the guide piece 43 of the bracket portion 44 is attached to the radiator 2. Is engaged with a hook portion (engaging portion) 45 formed on the surface side of the connecting plate 33 below.

That is, when the capacitor 1 is superimposed on the radiator 2, the guide piece 43 of the fixing tool 21 is engaged with the hook portion 45, so that the capacitor 1 can be superimposed on the radiator 2 at a predetermined position very easily. Position.

As shown in FIG. 5, a guide pin (guide portion) 46 projecting downward from the fixture 21 is formed, and the guide pin 46 is formed in a guide hole (locking portion) formed in the connecting plate 33 of the radiator 2. It may be inserted into the joint portion 47 and engaged therewith. As shown in FIG. 6, a vibration isolator 48 made of a material having elasticity, such as rubber, is sandwiched and fixed between the capacitor 1 and the connection plate 33 on the upper side of the radiator 2. ing.

As described above, according to the mounting structure of the capacitor 1, the fitting portions 22 of the fixture 21 are fitted to the upper and lower ends of the header 11 on both sides of the capacitor 1. Since the structure is such that the piece 23 is fastened and fixed to the radiator 2, the capacitor 1 can be attached to the radiator 2 in a state of being superimposed very easily. Therefore, the manufacturing cost of the capacitor 1 can be significantly reduced as compared with a conventional technique in which a bracket formed by press working or the like is fixed to a header of a capacitor by brazing or bolting, and the bracket is used to mount the capacitor to a radiator. In addition, since it is not necessary to attach the bracket integrally for each vehicle type, the capacitor 1 can be shared among vehicle types,
Can be further reduced in cost.

Further, a seal plate mounting piece 25 for mounting a seal plate 32 which is disposed on the side of the condenser 1 and the radiator 2 and generates an efficient air flow is formed integrally with the fixture 21. This eliminates the need for a separate bracket for attaching the seal plate 32, and further eliminates the need for attaching this bracket to the capacitor, thereby facilitating the attachment work and reducing costs.

In addition, a guide plate mounting piece 24 for mounting a guide plate 31 which is disposed along the longitudinal direction of the header 11 of the capacitor 1 and improves the flow of air to the capacitor 1 is integrated with the fixture 21. Because it is formed in
A separate bracket for mounting the guide plate 31 is not required, and mounting of the bracket to the capacitor is not required, thereby facilitating the mounting operation.

A guide piece 43 or a guide pin 46 engageable with a hook 45 or a guide hole 47 provided at the lower end of the radiator 2 is formed on at least the fixture 21 attached to the lower end of the header 11. Therefore, the guide piece 43 or the guide pin 46 can be engaged with the hook portion 45 or the guide hole 47 and positioned and temporarily attached.
3 can be easily fixed.

Further, the fixture 2 attached to the header 11 of the capacitor 1 by bolts 41 for attaching the fan shroud 3 provided with the electric fan 3a to the radiator 2
By fastening and fixing the one fixing piece 23, the fan shroud 3, the radiator 2, and the capacitor 1 can be integrated into a unit so as to be superimposed on each other to form a unit. Furthermore, since the fixture 21 is integrally molded with a synthetic resin, it can be easily manufactured by injection molding even if it has a complicated shape, and the unit price can be reduced by molding a large number. Can be. In addition, the weight of the component can be reduced, and the component has elasticity, so that the component can be easily attached to the header 11.

Further, since the vibration damping member 48 having elasticity is provided between the condenser 1 and the radiator 2, the vibration from the road surface and the engine during the running of the vehicle is reliably absorbed by the vibration damping member 48. In addition, it is possible to reduce problems caused by the vibration of the capacitor 1.

[0036]

As described above, according to the capacitor mounting structure of the present invention, the following effects can be obtained. According to the capacitor mounting structure of the first aspect, the fitting portion of the fixing tool is fitted to the upper and lower ends of the header on both sides of the capacitor, and the fixing piece of the fixing tool is fastened and fixed to the radiator. Therefore, the condenser can be mounted very easily in a state of being superimposed on the radiator.
Therefore, the manufacturing cost of the capacitor can be significantly reduced as compared with the conventional technology in which the bracket formed by pressing or the like is fixed to the header of the capacitor by brazing or bolting, and the bracket attaches to the radiator. In addition, since it is not necessary to integrally mount the bracket for each vehicle type, the capacitor can be shared among the vehicle types, and the cost of the capacitor can be further reduced.

According to the capacitor mounting structure of the second aspect, the seal plate mounting piece for mounting the seal plate disposed on the side of the capacitor and the radiator for generating an efficient air flow is provided. Since it is formed integrally with the slab, a separate bracket for attaching the seal plate is not required, and it is not necessary to attach the bracket to the capacitor, thereby facilitating the attachment work and reducing the cost. be able to.

According to the third aspect of the present invention, a guide plate mounting piece is provided along the longitudinal direction of the header of the capacitor for mounting a guide plate for improving the flow of air to the capacitor. Is formed integrally with the fixture, so that a separate bracket for attaching the guide plate is not required, and further, it is not necessary to attach this bracket to the capacitor, thereby facilitating the attachment work. be able to.

According to the capacitor mounting structure of the fourth aspect, at least the fixture attached to the lower end of the header is formed with a guide portion that can be engaged with the engaging portion provided at the lower end of the radiator. Therefore, the guide portion can be engaged with the engaging portion and positioned and temporarily attached, whereby the fastening to the fixing piece can be easily performed.

According to the capacitor mounting structure of the present invention, the fixing piece of the fixing device attached to the header of the capacitor is fastened and fixed by the bolt for attaching the fan shroud provided with the fan to the radiator. The radiator and the capacitor can be integrated into a unit by being superposed.

According to the mounting structure of the capacitor according to the sixth aspect, since the fixture for mounting the capacitor to the radiator is integrally formed of synthetic resin, even a complicated shape can be easily manufactured by injection molding. Also, by molding a large number, the unit price can be reduced. In addition, the weight of the component can be reduced, and the component can be easily attached to the header because of its elasticity.

According to the capacitor mounting structure of the present invention, since the vibration damping member having elasticity is provided between the capacitor and the radiator, the vibration from the road surface and the engine during the running of the vehicle is damped. It can be reliably absorbed by the member, and the trouble caused by the vibration of the capacitor can be reduced.

[Brief description of the drawings]

FIG. 1 is a perspective view of a unit in which a fan shroud, a radiator, and a capacitor are integrated, illustrating a mounting structure of a capacitor according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view of a unit including a fan shroud, a radiator, and a capacitor, illustrating a mounting structure of the capacitor according to the embodiment of the present invention.

FIG. 3 is a plan view of a part of a unit in which a fan shroud, a radiator, and a capacitor are integrated, illustrating a mounting structure of the capacitor according to the embodiment of the present invention.

FIG. 4 is a perspective view of a mounting portion of a radiator to a lower end portion of the capacitor for explaining a mounting structure of the capacitor according to the embodiment of the present invention.

FIG. 5 is a perspective view illustrating another example of a mounting portion of a radiator to a lower end portion of the capacitor for explaining a mounting structure of the capacitor according to the embodiment of the present invention.

FIG. 6 is a schematic cross-sectional view of a radiator and an upper portion of the capacitor for explaining a mounting structure of the capacitor according to the embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Condenser 2 Radiator 3 Fan shroud 3a Electric fan (fan) 11 Header 12 Cooling plate part 12a Refrigerant tube 12b Fin 21 Fixture 22 Fitting part 23 Fixing piece 24 Guide plate attaching piece 25 Seal plate attaching piece 31 Guide plate 32 Seal plate 41 Bolt 43 Guide piece (guide part) 45 Hook part (engagement part) 46 Guide pin (guide part) 47 Guide hole (engagement part) 48 Anti-vibration member

Claims (7)

[Claims] 1. A mounting structure wherein a condenser having a columnar header provided on both sides of a cooling plate section comprising a refrigerant tube and a fin is mounted on a radiator for cooling engine cooling water in a superposed manner. A fixture having a fitting portion that can be fitted to the end and a fixing piece integrally formed with the fitting portion is attached by fitting the fitting portion to upper and lower ends of the header, The capacitor mounting structure, wherein the fixing piece of the fixing tool is fastened and fixed to the radiator overlapped. 2. The fixing device according to claim 1, wherein a seal plate mounting piece for mounting a seal plate disposed on a side portion of the capacitor and the radiator which are superimposed on each other is integrally formed. A mounting structure for a capacitor according to claim 1. 3. The fixing tool according to claim 1, wherein a guide plate mounting piece to which a guide plate disposed along a longitudinal direction of the header of the capacitor is mounted is integrally formed with the fixing tool. Or the mounting structure of the capacitor according to claim 2. 4. A guide attached to at least a lower end portion of said header, said guide portion being engageable with an engaging portion provided at a lower end portion of said radiator. The mounting structure of the capacitor according to any one of claims 1 to 3. 5. The fixing piece according to claim 1, wherein the fixing piece of the fixing tool is fastened by a bolt for mounting a fan shroud provided with a fan on the radiator in a superimposed manner. Mounting structure of capacitor. 6. The mounting structure for a capacitor according to claim 1, wherein the fixing member is integrally formed of resin. 7. The device according to claim 1, wherein an elastic vibration isolating member sandwiched between the condenser and the radiator is provided between the condenser and the radiator. The mounting structure of the capacitor described in the item.