CN209166190U - Heat exchanger with Novel pressing structure - Google Patents

Abstract

The utility model relates to heat exchanger technology fields, more particularly to a kind of heat exchanger with Novel pressing structure, including into fluid chamber, go out fluid chamber and core, the core includes mainboard, side plate, flat tube, outer fin and inner fin, the centre of the mainboard is equipped with the chamfering rectangular opening for installing the flat tube, the outer fin is in dentalation, and the outer fin is set between the adjacent flat tube or between flat tube and side plate；The inner fin is set to inside the flat tube；It is described to be connected into and out of between fluid chamber and the mainboard of the core two sides by fastened structure.The utility model is not under the premise of increasing the overall dimensions of heat exchanger, the contact angle that place is withheld by improveing, the pressure that will likely result in the place's of withholding loosening decompose reduction, improve the stress condition for withholding place, the reliability for improving heat exchanger can reduce the risk that leakage occurs.

Description

Heat exchanger with Novel pressing structure

Technical field

The utility model relates to heat exchanger technology field more particularly to a kind of heat exchanges with Novel pressing structure Device.

Background technique

The occasion that heat exchanger designs are used to have the demand of cooling and heating.Its essence is the object that physically there is temperature difference The phenomenon that thermal energy transmitting is carried out between body.The principal mode that heat exchanger carries out hot transmitting is heat transfer.Typical attaching type heat is handed over Parallel operation by into fluid chamber, go out fluid chamber, mainboard, side plate, sealing ring, flat tube, inner fin and outer fin etc. and form.Wherein heat exchange The core of device is made of mainboard, side plate, sealing ring, flat tube, inner fin and outer fin etc..Heat exchanger is according to its internal flow Flow direction is broadly divided into cross-flow type and longitudinal-flow.The heat exchanger of cross-flow type fluid chamber is arranged in core into fluid chamber and out Two sides.Into the fluid chamber and out fluid chamber of the heat exchanger of longitudinal-flow be arranged in core up and down.

In automobile and engineering machinery application field, as the requirement of regulation is increasingly stringenter, while customer is to dynamic property It is required that higher and higher, more stringent requirements are proposed for this heat exchange performance to heat exchanger, the overall dimensions of heat exchanger also with It is increasing.It is limited to the requirement of arrangement and light-weight design, decomposition is limited to the space of heat exchanger and weight, because How this improves in limited arrangement space and under the premise of meet weight demands the structural strength of heat exchanger into setting instantly Count difficult point.

Attaching type heat exchanger is will to be assembled in one into and out of fluid chamber and mainboard by way of machine or manually withholding It rises.It is one of the weak spot of structure of attaching type heat exchanger into and out of fastened structure between fluid chamber and mainboard.Heat exchanger makes With in the process, the pressure and thermal stress of alternation be easy so that the place's of withholding structural failure and leak.

Based on the above considerations, the utility model devises a kind of heat exchanger with Novel pressing structure, improves The overall structural strength of heat exchanger, meets lightweight and arrangement requires.

Utility model content

The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of heat friendship with Novel pressing structure Parallel operation improves the overall structural strength of heat exchanger, meets lightweight and arrangement requires.

In order to realize the purpose of this utility model, the technical solution adopted in the utility model are as follows:

The utility model discloses a kind of heat exchangers with Novel pressing structure, including into fluid chamber, go out fluid chamber And core, the core include mainboard, side plate, flat tube, outer fin and inner fin, the centre of the mainboard is equipped with for pacifying Fill the chamfering rectangular opening of the flat tube, the outer fin is in dentalation, the outer fin be set to the adjacent flat tube it Between or flat tube and side plate between；The inner fin is set to inside the flat tube；It is described into and out of fluid chamber and the core two sides Mainboard between by fastened structure be connected.

The fastened structure includes being set to the arc boss into and out of fluid chamber bottom, and the arc boss is in pull out Mode structure, the sidewall extension line of the arc boss and into and out of the angle formed between the extended line of fluid chamber bottom surface be acute angle； The mainboard is equipped with the arc-shaped flange being bonded to each other with the arc boss.

The fastened structure includes being set to the platform of withholding into and out of fluid chamber bottom, described to withhold prolonging for platform Long line and into and out of the angle between the extended line of fluid chamber bottom surface be acute angle；The mainboard, which is equipped with, withholds platform phase with described The second flange being mutually bonded, the general " l "-shaped structure in longitudinal section of second flange, second flange and it is described withhold it is flat The inner side plane of platform contact and the angle into and out of fluid chamber bottom surface are acute angle.

Second flange is equipped with several openings being serrated.

It is described into and out of between fluid chamber and the mainboard of the core be equipped with sealing ring.

The utility model has the beneficial effects that:

1. under the premise of not increasing the overall dimensions of heat exchanger, the contact angle at place is withheld by improveing for the utility model Degree, the pressure that will likely result in the place's of withholding loosening decompose reduction, improve the stress condition for withholding place, improve heat exchanger Reliability can reduce the risk that leakage occurs.

Detailed description of the invention

Fig. 1 is the main view of the utility model heat exchanger；

Fig. 2 is the utility model heat exchanger cross-sectional view A-A；

Fig. 3 is in embodiment one into and out of fluid chamber's main view；

Fig. 4 is in embodiment one into and out of fluid chamber's left view；

Fig. 5 is the left view of one heat exchanger of embodiment；

Fig. 6 is in embodiment two into and out of fluid chamber's main view；

Fig. 7 is in embodiment two into and out of fluid chamber's left view；

Fig. 8 is the left view of embodiment two heat exchangers

Fig. 9 is the partial sectional view that embodiment two withholds place.

In figure, 1, into fluid chamber；2, go out fluid chamber；3, core；4, mainboard；5, side plate；6, sealing ring；7, flat tube；8, outer Fin；9, inner fin；10, arc boss；11, bottom surface；12, flange；13, platform is withheld；15, the second flange.

Specific embodiment

The present invention will be further described with reference to the accompanying drawings and examples:

Referring to Fig. 1-9.

The utility model discloses a kind of heat exchangers with Novel pressing structure, including into fluid chamber 1, go out fluid chamber 2 and core 3, the core 3 includes mainboard 4, side plate 5, flat tube 7, outer fin 8 and inner fin 9, the centre of the mainboard 4 Equipped with the chamfering rectangular opening for installing the flat tube 7, the outer fin 8 is in dentalation, and the outer fin 8 is set to phase Between the adjacent flat tube 7 or between flat tube 7 and side plate 5；The inner fin 9 is set to inside the flat tube 7；It is described into and out of stream It is connected between body room and the mainboard 4 of 3 two sides of core by fastened structure, the master into and out of fluid chamber and the core 3 Sealing ring 6 is equipped between plate 4, this case passes through connecing for the improvement place of withholding under the premise of not increasing the overall dimensions of heat exchanger Feeler degree, the pressure that will likely result in the place's of withholding loosening decompose reduction, improve the stress condition for withholding place, improve heat exchange The reliability of device can reduce the risk that leakage occurs.

Embodiment one: the present embodiment fastened structure includes being set to the arc boss 10 into and out of fluid chamber bottom, institute Arc boss 10 is stated in draft structure, the sidewall extension line of the arc boss 10 and the extended line into and out of fluid chamber bottom surface 11 Between the angle that is formed be acute angle；The mainboard 4 is equipped with the arc-shaped flange 12 being bonded to each other with the arc boss 10.

Specifically, arc boss 10 is draft structure, which not needs and designs merely because demoulding, but So that the surface of arc boss 10 and it is described into and out of 11 angle α of the bottom surface of fluid chamber (i.e. draft angle) less than 90 °, the angle [alpha] is big In the required corresponding angle of demoulding and less than 90 °, the present embodiment is 80 °；The corresponding mainboard 4 designs are as follows: in its flange 12 Side is bonded after withholding with arcuation boss 10, and flange 12 can be with holes or not hole structure, described into and out of fluid chamber and mainboard 4 Material can be any materials, can partially or completely be designed as the arcuation boss 10, using when localized design as part Structural strengthening.

Embodiment two: the present embodiment fastened structure includes being set to described to withhold platform 13, institute into and out of fluid chamber bottom State the extended line for withholding platform 13 and into and out of the angle between the extended line of fluid chamber bottom surface 11 be acute angle；It is set on the mainboard 4 Have with second flange 15 withholding platform 13 and being bonded to each other, the general " l "-shaped structure in longitudinal section of second flange 15, Second flange 15 and the inner side plane for withholding the contact of platform 13 and the angle into and out of fluid chamber bottom surface 11 are acute angle.

Specifically, withhold platform 13 partly or entirely with 11 angle β of bottom surface less than 90 °, the angle beta can for 0 ° to 90 ° it Between arbitrary value, the present embodiment is 10 °, and the corresponding mainboard 4 designs are as follows: its second flange 15 is with jagged several Opening, withholds sections inner side not opening on rear second flange 15 and is bonded with platform 13 is withheld, i.e., the inside of the second flange 15 is flat Face partly or entirely with it is described into and out of 11 angle of the bottom surface of fluid chamber again smaller than 90 °, the material into and out of fluid chamber and mainboard 4 Material can be any materials, can partially or completely be designed as it is described withhold platform 13, using when localized design as partial structurtes Reinforce.

The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, needs Illustrate, such as term " on ", "lower", " top ", " bottom ", "vertical", "horizontal", "inner", "outside" occurs, indicated by Orientation or positional relationship be to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the utility model and letter Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and Operation, therefore should not be understood as limiting the present invention.In addition, such as there is term " first ", " second ", " third " are only used In description purpose, it is not understood to indicate or imply relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, such as there is term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one The connection of body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition State the concrete meaning of term in the present invention, equivalent change made by using the description of the utility model and the drawings It changes and is applied directly or indirectly in relevant technical field, be also included in the patent protection scope of the utility model.

Claims (5)

1. a kind of heat exchanger with Novel pressing structure, it is characterised in that: including into fluid chamber (1), go out fluid chamber (2) with And core (3), the core (3) include mainboard (4), side plate (5), flat tube (7), outer fin (8) and inner fin (9), it is described The centre of mainboard (4) is equipped with the chamfering rectangular opening for installing the flat tube (7), and the outer fin (8) is in dentalation, described Outer fin (8) is set between the adjacent flat tube (7) or between flat tube (7) and side plate (5)；Inner fin (9) setting It is internal in the flat tube (7)；It is described into and out of between fluid chamber and the mainboard (4) of the core (3) two sides pass through fastened structure phase Even.

2. the heat exchanger according to claim 1 with Novel pressing structure, it is characterised in that: the fastened structure packet It includes and is set to the arc boss (10) into and out of fluid chamber bottom, the arc boss (10) is in draft structure, the arc The sidewall extension line of boss (10) and into and out of the angle formed between the extended line of fluid chamber bottom surface (11) be acute angle；The master Plate (4) is equipped with the arc-shaped flange (12) being bonded to each other with the arc boss (10).

3. the heat exchanger according to claim 1 with Novel pressing structure, it is characterised in that: the fastened structure packet Include and be set to the withholding platform (13) into and out of fluid chamber bottom, the extended line for withholding platform (13) with into and out of fluid Angle between the extended line of room bottom surface (11) is acute angle；The mainboard (4), which is equipped with, withholds platform (13) mutually patch with described The second flange (15) closed, the general " l "-shaped structure in longitudinal section of second flange (15), second flange (15) and institute It states the inner side plane for withholding platform (13) contact and the angle into and out of fluid chamber bottom surface (11) is acute angle.

4. the heat exchanger according to claim 3 with Novel pressing structure, it is characterised in that: second flange (15) several openings being serrated are equipped with.

5. the heat exchanger according to claim 1 with Novel pressing structure, it is characterised in that: described into and out of fluid Sealing ring (6) are equipped between room and the mainboard (4) of the core (3).