JPH0552576U - Heat exchanger mounting bracket assembly structure - Google Patents

Abstract

(57) [Summary] [Purpose] Assembling the mounting brackets for the heat exchanger that can easily position the mounting brackets in the temporary assembly process and does not require special jigs or welding to temporarily secure the mounting brackets. Provide structure. [Structure] Two upper and lower cutouts 4d that can be fitted to a part of the outer peripheral surface of the tube 2 are provided on the joining piece 4a of the mounting bracket 4, and the inner dimension of the cutout 4d is set to the tube 2. The cutout portion 4d is formed to be slightly smaller than the thickness dimension thereof, and the cutout portion 4d is press-fitted onto the outer peripheral surface of the tube 2 at a predetermined position.

Description

[Detailed description of the device]

[0001]

[Industrial application]

 The present invention relates to a mounting structure for mounting a heat exchanger used as various air conditioners and vehicle radiators.

[0002]

[Prior Art]

 Conventionally, a pair of header pipes arranged in parallel with each other at intervals, a plurality of heat medium distribution tubes having both ends connected to the header pipes, and interposed between the tubes. In a so-called parallel flow type heat exchanger consisting of fins and mounting metal fittings for fixing the heat exchanger body fixed to the header-pipe, each component was tentatively assembled by clad brazing filler metal for joining. After that, they are brazed together in a high temperature furnace. In the temporary assembly process, the mounting bracket is temporarily fixed to the header-pipe by a dedicated jig or MIG welding. In order to easily position the mounting bracket at that time, the header is -It is known that a protrusion is formed on the side surface of a pipe and the protrusion is inserted into and engaged with a corresponding hole provided in a mounting member (Japanese Utility Model Laid-Open No. 3-86369).

[0003]

[Problems to be solved by the device]

 However, in the positioning structure of the mounting bracket, since the protrusion has to be formed on the side surface of the header-pipe, the shape of the header-pipe is complicated and the manufacturing cost is high. Also, with this structure, the positioning work of the mounting bracket is easy, but since troublesome temporary fixing welding is required, it is not possible to expect a significant improvement in productivity as a result.

The present invention has been made in view of the above problems, and an object of the present invention is to make it possible to easily position the mounting bracket in the temporary assembling process, and to provide a dedicated jig for temporarily fixing the mounting bracket. It is to provide a mounting structure for mounting a heat exchanger that does not require tools or welding.

[0005]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, according to the present invention, a plurality of heat medium distribution tubes are connected to the side surface of the header-pipe at intervals, and a fitting is fixed to the header-pipe. In the mounting structure for mounting the heat exchanger, the notch portion that can be fitted to a part of the outer peripheral surface of the tube is provided at the joint portion of the mounting bracket to the header-pipe, and The internal dimension of the notch is made slightly smaller than the corresponding dimension of the tube, and the notch is press-fitted onto the outer peripheral surface of the tube.

According to a second aspect of the present invention, a curved portion that can be fitted to a part of an outer peripheral surface of the header-pipe is provided at a joint portion of the mounting bracket to the header-pipe, and the curved portion has a circumferential length. The header portion is formed to be slightly larger than the outer periphery of the header pipe, and the curved portion is press-fitted onto the outer peripheral surface of the header pipe.

Further, in the third aspect, the fitting is divided into a member fixed to the header-pipe side and a member fixed to the attachment object side of the heat exchanger body.

Further, in claim 4, a contact portion with the header-pipe is provided in a part of the member on the attachment target side.

[0009]

[Action]

 According to the heat exchanger header-pipe partition plate assembling structure of the first aspect, the fitting is assembled by press-fitting the notch of the fitting to the outer peripheral surface of the tube. At that time, the fitting is positioned by fitting with the tube at a predetermined position.

According to the header-pipe partition plate assembling structure for a heat exchanger of the second aspect, in addition to the effect of the first aspect, the curved portion of the fitting is press-fitted to the outer peripheral surface of the header-pipe. By fitting them together, the mounting of the mounting bracket becomes more reliable.

According to the header-pipe partition plate assembling structure for a heat exchanger of claim 3, the member having the effect of claim 1 or 2 and the mounting metal fitting fixed to the header-pipe side, Since it is configured separately from the member fixed to the attachment target side of the heat exchanger body, it is possible to form the attachment target side member from a different material from the header-pipe side member. ..

Further, according to the header-pipe partition plate assembling structure for a heat exchanger of claim 4, in addition to having the effect of claim 3, a part of the member on the attachment target side contacts the header-pipe. Therefore, the member on the attachment target side is stable.

[0013]

【Example】

 1 to 3 show an embodiment of the present invention.

In the figure, reference numeral 1 denotes a pair of header pipes arranged at intervals from each other, each of which is a circular pipe made of aluminum. The upper and lower ends of each header-pipe 1 are closed by a cap 1a, and a plurality of tube connection holes 1b are formed in each opposing surface at intervals in the longitudinal direction of the header-pipe 1. .. In addition, a heat medium inflow pipe 1c is provided in an upper portion of one header-pipe 1 (left side in FIG. 1), and a heat medium outflow pipe is provided in a lower portion of the other header-pipe 1 (right side in FIG. 1). Ip 1d is connected to each other.

Reference numeral 2 denotes a plurality of heat medium distribution tubes connected to each header-pipe 1. Each tube is formed in a flat shape, and both ends thereof are inserted into the connection holes 1b of each header-pipe 1 so as to be mutually connected. Are arranged at intervals.

Reference numeral 3 denotes a heat-radiating fin interposed between the tubes 2, each having a wavy shape, and the upper and lower ends thereof are in contact with the tubes 2.

Reference numeral 4 is a mounting bracket assembled at a total of four locations on the top and bottom of each header-pipe 1, and is used as a bracket or the like for mounting the heat exchanger body on the vehicle side. The mounting bracket 4 is composed of a joint piece 4a that curves along the outer circumferential surface of the header-pipe 1 along substantially one quarter of the circumferential direction, and a joint piece 4b extending from one end of the joint piece 4a. An insertion hole 4c for a mounting bolt or the like is formed in the. Further, two upper and lower cutout portions 4d that can be fitted to a part of the outer peripheral surface of the tube 2 are formed at one end of the joining piece 4a, and the height dimension of the inner shape of the cutout portion 4d is It is formed to be slightly smaller than the thickness of the tube 2.

When assembling this heat exchanger, after brazing a brazing filler metal for joining each component and temporarily assembling the components, they are integrally brazed in a high temperature furnace. In this temporary assembling step, as shown in FIG. 2, the mounting member 4 is temporarily fixed by press-fitting the notch 4d of the mounting member 4 into the tube 2 at a predetermined position, and at the same time positioning is performed. ..

As described above, according to the present embodiment, the joint piece 4a of the mounting member 4 is provided with the upper and lower two notches 4d that can be fitted to a part of the outer peripheral surface of the tube 2, and the notches. Since the inner dimension of the portion 4d is made slightly smaller than the thickness of the tube 2 and the cutout portion 4d is press-fitted onto the outer peripheral surface of the tube 2, the provision of the fitting 4 It can be stopped very easily without the need for a special jig or welding. In addition, since the mounting tool 4 is positioned by fitting the tube 2 at a predetermined position, it is not necessary to provide the header pipe 1 with a special structure such as a projection as in the conventional case, and the manufacturing cost is low. can do.

By forming the flanges 4e as shown in FIG. 3 on the upper and lower ends of the mounting member 4, the strength of the mounting member 4 is improved and the durability is improved. Further, as shown in FIG. 4, the attachment piece 4b can be oriented in any direction by changing the circumferential length of the joining piece 4a of the attachment fitting 4. Further, as shown in FIG. 5, the joining piece 4a of the mounting member 4 is provided with a curved portion 4f that can be fitted to a part of the outer peripheral surface of the header-pipe 1, and the length of the curved portion 4f in the circumferential direction is determined by the header. By forming the curved portion 4f to be slightly larger than half the outer circumference of the pipe 1 and press-fitting the curved portion 4f to the outer peripheral surface of the header pipe, the mounting bracket 4 can be temporarily fixed more reliably.

FIG. 6 and FIG. 7 show another embodiment of the present invention, in which the mounting fitting is divided into two parts.

That is, 5 is a mounting member of the present embodiment, which is divided into a first member 6 that is fixed to the header-pipe 1 and a second member 7 that is fixed to the mounting target side. Two first members 6 are used for one 71. The first member 6 is composed of a joining piece 6a curved along the outer circumferential surface of the header-pipe 1 along substantially one-fourth in the circumferential direction, and a mounting piece 6b extending from one end of the joining piece 6a. The same kind of aluminum is used as the material. Further, a screw insertion hole 6c is formed in the mounting piece 6b, and a notch portion 6d similar to that in the above embodiment is formed in the joint piece 6a. On the other hand, the second member 7 is composed of a fixed piece 7a corresponding to the upper and lower first members 6, a mounting piece 7b extending from one end of the fixed piece 7a, and a contact piece 7c extending from the other end of the fixed piece 7a. It is made of metal such as stainless steel, which has a higher strength than aluminum. A screw hole 7d corresponding to the screw insertion hole 6c of the first member 6 is formed in the upper and lower portions of the fixed piece 7a, and an insertion hole 7e such as a mounting bolt is formed at one end of the attachment piece 7b. .. Further, the contact piece 7c is formed in a curved shape along the outer peripheral surface of the header-pipe 1, and when the fitting 5 is assembled to the header-pipe 1, as shown in FIG. It comes in contact with the surface.

In this embodiment, first, the first member 6 is brazed to the header-pipe 1 in the same manner as in the above embodiments, and then the second member 7 is fastened to the first member 6 with the screw 8. Assembly of the mounting bracket 5 is completed. At this time, the second member 7 is assembled in a stable state by the contact piece 7c contacting the outer peripheral surface of the header-pipe 1.

As described above, according to this embodiment, the mounting member 5 is divided into the first member 6 fixed to the header-pipe 1 and the second member 7 fixed to the mounting object side, Since the first member 6 is made of the same type of aluminum as the header-pipe 1 and the second member 7 is made of a metal having a higher strength than aluminum, the strength of the mounting bracket 5 can be significantly improved. , It is extremely effective when a large mounting bracket is required. Further, since the contact piece 7c for contacting the header-pipe 1 is provided in a part of the second member 7, the second member 7 can be assembled in a stable state, and the strength of the mounting bracket 5 can be further enhanced. You can

The mounting brackets 4 and 5 can be used for mounting a fan shroud, a wind direction plate, etc. other than the bracket for mounting the heat exchanger body.

[0026]

[Effect of the device]

 As described above, according to the header-pipe partition plate assembling structure for the heat exchanger of claim 1, the mounting bracket can be temporarily fixed very easily without the need for a dedicated jig or welding. Therefore, productivity can be significantly improved. Further, since the mounting bracket can be accurately positioned without providing a special structure such as a projection on the header-pipe as in the conventional case, the manufacturing can be performed at a low cost.

According to the header-pipe partition plate assembling structure for a heat exchanger of claim 2, the effect of claim 1 can be achieved, and the mounting fitting can be temporarily fixed more reliably. ..

According to the header-pipe partition plate assembling structure for a heat exchanger of claim 3, the effect of claim 1 or 2 can be achieved, and since the mounting fitting is divided, one of the The material of the member can be freely selected. For example, if one member is made of a material having a higher strength than the other member, the strength of the mounting bracket as a whole can be improved. Weight reduction can also be achieved by using a synthetic resin or the like.

According to the heat exchanger header-pipe partition plate assembling structure of the fourth aspect, the effect of the third aspect can be achieved, and the strength of the mounting bracket can be further enhanced.

[Brief description of drawings]

FIG. 1 is an overall perspective view of a heat exchanger showing an embodiment of the present invention.

FIG. 2 is an exploded perspective view of a main part of a heat exchanger.

FIG. 3 is a perspective view showing a modified example of the mounting bracket.

FIG. 4 is a sectional view showing a modified example of the mounting bracket.

FIG. 5 is a sectional view showing a modified example of the mounting bracket.

FIG. 6 is an exploded perspective view of a main part of the heat exchanger.

FIG. 7 is a sectional view of a main part of a heat exchanger.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Header-pipe, 2 ... Tube, 4, 5 ... Mounting metal fittings, 4a, 6a ... Joining piece, 4d, 6d ... Notch part, 4f
... curved portion, 6 ... first member, 7 ... second member, 7c ... contact piece.

Claims (4)

[Scope of utility model registration request] 1. A plurality of heat medium distribution tubes are connected to a side surface of a header-pipe at intervals from each other, and
In a mounting bracket assembly structure of a heat exchanger in which a mounting bracket is fixed to the header-pipe, a part of an outer peripheral surface of the tube can be fitted to a joint portion of the mounting bracket to the header-pipe. In addition to providing the notch, the internal dimension of the notch is formed to be slightly smaller than the corresponding dimension of the tube, and the notch is press-fitted onto the outer peripheral surface of the tube. Heat exchanger mounting bracket assembly structure. 2. A bending portion capable of being fitted to a part of an outer peripheral surface of the header-pipe is provided at a joint portion of the mounting bracket to the header-pipe, and a circumferential length of the bending portion is set to a header-pipe. 2. The mounting structure for mounting a heat exchanger according to claim 1, wherein the curved portion is formed to be slightly larger than a half of the outer periphery thereof, and the curved portion is press-fitted to the outer peripheral surface of the header-pipe. 3. The mounting member is divided into a member fixed to the header-pipe side and a member fixed to the mounting object side of the heat exchanger body. Heat exchanger mounting bracket assembly structure. 4. The mounting structure for mounting a heat exchanger according to claim 3, wherein a contact portion with the header-pipe is provided on a part of the member on the mounting object side.