CN210829988U - Heat dissipation direct current heat exchanger - Google Patents

Abstract

The utility model relates to a heat dissipation direct current heat exchanger, which comprises a heat exchanger core body and a direct current fan, a shell is arranged between the direct current fan and the heat exchanger core body, the direct current fan comprises a fan body, a shaft body and a direct current motor, a protective cover is arranged outside the fan body, the protective cover comprises an outer ring, an inner ring, a plurality of rib plates and rib bodies which are of an integrated structure, the rib bodies are arc-shaped, two ends of each rib body are connected with adjacent rib plates, a plurality of positioning bulges are arranged outside the outer ring, an inner cover is arranged between a sealing cover and the inner ring, a sleeve and a U-shaped supporting frame outside the shaft body are arranged on the inner cover, a plurality of snap rings and convex columns are arranged on the inner wall of the sealing cover, two ends of, and the inner part of the direct current fan ensures the shaft body of the direct current fan to be stably supported through the inner cover clamped between the protective cover and the sealing cover, the installation steps are saved, the production and assembly efficiency is improved, and the stability of the heat dissipation direct-current heat exchanger applied to the hydraulic system is improved.

Description

Heat dissipation direct current heat exchanger

Technical Field

The utility model relates to a heat dissipation direct current heat exchanger belongs to heat exchanger technical field.

Background

The heat exchanger is equipment for transferring partial heat of hot fluid to cold fluid, and plays an important role in industrial production, and compared with heat exchange of other fluids, the air-cooled heat dissipation heat exchange is generally adopted in a hydraulic oil cooling system of a hydraulic system, and the heat exchanger has the advantage that an oil way is not mixed with other fluids to pollute a hydraulic oil way after being damaged, so that the heat exchanger is widely applied. The heat dissipation direct current heat exchanger applied to a hydraulic system in the prior art generally comprises a heat exchanger core body with an air channel and an oil channel, the air channel of the heat exchanger is fed through a fan driven by a direct current motor to perform air cooling heat dissipation on hot hydraulic oil, the outside of the direct current fan is protected by a shell connected with the cooler core body, and a protective cover is installed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at prior art's defect, provide a heat dissipation direct current heat exchanger, the outside protection casing that adopts the integral type of direct current fan is connected with the shell, and inside guarantees direct current fan's axis body support stability through the inner cover of block between protection casing and closing cap to save installation steps, improve production assembly efficiency and heat dissipation direct current heat exchanger and be applied to hydraulic system's stability.

The utility model discloses a realize through following technical scheme:

a heat dissipation direct current heat exchanger comprises a heat exchanger core and a direct current fan, wherein an oil inlet and an oil outlet are formed in two sides of the heat exchanger core respectively, a shell is arranged between the direct current fan and the heat exchanger core, the direct current fan comprises a fan body, a shaft body and a direct current motor, a protective cover is arranged outside the fan body, the protective cover comprises an outer ring, an inner ring, a plurality of rib plates and rib bodies, the outer ring and the inner ring are of an integrated structure, two ends of each rib plate are connected with the inner wall of the outer ring and the outer wall of the inner ring respectively, the rib plates are arranged around the inner ring at equal intervals, each rib body is arc-;

the utility model discloses a fan, including the axis body, the axis body is equipped with the axis body, the outer lane outside is equipped with a plurality of location archs, be equipped with the constant head tank in the location arch, inner circle one side is equipped with the closing cap, all is equipped with connecting bolt between closing cap and the inner circle, between outer lane and the protection casing, be equipped with the inner cover between closing cap and the inner circle, be equipped with the cover on the inner cover and at the outside support frame of axis body, the support frame is the integral type structure with the cover body, and the cross-section is the U-shaped, be equipped with a plurality of snap rings and projection on the closing cap inner wall.

The utility model has the advantages that:

(1) the protective cover outside the direct current fan adopts the outer ring, the inner ring, the plurality of rib plates and the rib bodies which are of an integrated structure and are connected with the shell through the connecting bolts, the installation steps are saved compared with the traditional split structure, the plurality of rib plates are uniformly arranged around the inner ring at intervals, and the arc rib bodies are connected with the adjacent rib plates, so that the protection is stable;

(2) the shaft body of the direct current fan is supported by the U-shaped supporting frame of the inner cover through the inner cover between the sealing cover and the inner ring of the protective cover, so that the shaft body is prevented from being too long in suspension, vibration is reduced, and the stable operation of the heat exchanger is ensured;

(3) through inner wall shape fit snap ring and projection with the inner cover block between closing cap and protection casing, make things convenient for the inner cover installation to protruding convenient location fixed whole in order to prevent the outer location of guard shield, do benefit to heat exchanger transportation and installation, thereby to sum up improve production assembly efficiency and heat dissipation direct current heat exchanger and be applied to hydraulic system's stability.

Drawings

Fig. 1 is a rear view structure diagram of the present invention.

Fig. 2 is a front view structural diagram of the present invention.

Fig. 3 is a partial sectional view of the present invention.

Fig. 4 is a structure diagram of the dc fan and the protective cover of the present invention.

The labels in the figure are: the heat exchanger comprises a heat exchanger core body 1, a direct current fan 2, an oil inlet 3, an oil outlet 4, a shell 5, a fan body 21, a shaft body 22, a direct current motor 23, a protective cover 6, an outer ring 61, an inner ring 62, rib plates 63, rib bodies 64, positioning protrusions 7, positioning grooves 8, a sealing cover 9, connecting bolts 10, an inner cover 11, a supporting frame 12, a clamping ring 13, a convex column 14, a cover body 211, fan blades 212, a convex disc 15, a pin shaft 16 and a round key 17.

Detailed Description

The following describes the present invention with reference to the accompanying drawings.

Referring to fig. 1 to 3, the heat dissipation direct current heat exchanger comprises a heat exchanger core 1 and a direct current fan 2, wherein an oil inlet 3 and an oil outlet 4 are respectively arranged on two sides of the heat exchanger core 1, a housing 5 is arranged between the direct current fan 2 and the heat exchanger core 1, the direct current fan 2 comprises a fan body 21, a shaft body 22 and a direct current motor 23, a protective cover 6 is arranged outside the fan body 21, the protective cover 6 comprises an outer ring 61, an inner ring 62, a plurality of rib plates 63 and rib bodies 64 which are of an integrated structure, two ends of each rib plate 63 are respectively connected with the inner wall of the outer ring 61 and the outer wall of the inner ring 62, the plurality of rib plates 63 are uniformly arranged around the inner ring 62 at intervals, each rib body 64 is arc-shaped, and two ends of;

the section of the rib plate 63 is of a right-angle trapezoidal structure. The rib plate 63 with the right-angled trapezoid structure is adopted, the width of the inner ring 62 connected with the rib plate 63 is longer, the supporting strength of the inner ring 62 is guaranteed, and the structure is compact.

The outer lane 61 outside is equipped with a plurality of location archs 7, be equipped with constant head tank 8 in the protruding 7 in location. During installation or transportation, fix a position fixed protection casing 6 through constant head tank 8 to consolidate whole, reduce the heat exchanger vibrations, protection casing 6 adopts plastics to mould plastics and makes location arch 7 integrated into one piece.

A sealing cover 9 is arranged on one side of the inner ring 62, connecting bolts 10 are arranged between the sealing cover 9 and the inner ring 62 and between the outer ring 61 and the protective cover 6, an inner cover 11 is arranged between the sealing cover 9 and the inner ring 62, a support frame 12 sleeved outside the shaft body 22 is arranged on the inner cover 11, the support frame 12 and the cover body 211 are of an integral structure, and the cross section of the support frame is U-shaped. The support frame 12 is moulded plastics with the cover body 211 and is an organic whole, adopts U-shaped support frame 12 to support the axis body 22 outside, can avoid the axis body 22 to hang long great, improves support stability.

The inner wall of the seal cover 9 is provided with a plurality of snap rings 13 and convex columns 14, and the snap rings 13 and the convex columns 14 are matched with the inner wall of the inner cover 11 in shape. The inner cover 11 is clamped between the sealing cover 9 and the inner ring 62 of the protective cover 6 through the support of the clamping ring 13 and the convex column 14, so that the structural complexity of the integrated protective cover 6 can be reduced, the manufacture is convenient, and the inner cover 11 is stably installed and supported between the sealing cover 9 and the protective cover 6.

The two ends of the shaft body 22 are respectively arranged on the fan body 21 and the seal cover 9, the fan body 21 comprises a cover body 211 and a plurality of fan blades 212, a convex disc 15 is arranged on the inner wall of the cover body 211, the convex disc 15 is positioned on one side of the inner cover 11 and a pin shaft 16 is arranged between the convex disc and the shaft body 22, and a round key 17 is arranged between a motor shaft of the direct current motor 23 and the shaft body 22. The dc motor 23 of fig. 1 to 3 is not shown, and referring to fig. 4, the dc motor 23 can be riveted on one side of the cover 9, and by providing a key groove on the shaft body 22 and the motor shaft of the dc motor 23, a round key 17 is installed in the key groove to drive the fan body 21 connected with the shaft body 22 by the pin 16 to rotate through the dc motor 23 in key groove fit, and simultaneously, the protruding disk 15 abuts against the inner cover 11 to prevent the inner cover 11 from sliding.

The utility model discloses a theory of operation does:

during installation, the shaft body 22 is fixed on the fan body 21 through the pin shaft 16, the protective cover 6 and the inner cover 11 are sleeved in the shaft body, the inner cover 11 is clamped between the inner ring 62 and the sealing cover 9 through the clamping ring 13 and the convex column 14, the sealing cover 9 is installed through the connecting bolt 10 and is connected with the direct current motor 23, the protective cover 6 and the shell 5, the shell 5 and the heat exchanger core body 1 are connected, the motor shaft of the direct current motor 23 drives the fan body 21 on the shaft body 22 to rotate and blow air to the heat exchanger core body 1, the heat exchanger is connected into a hydraulic oil cooling system through the oil inlet 3 and the oil outlet 4, and hydraulic oil passing through the heat exchanger core body 1 is cooled by;

the protective cover 6 outside the direct current fan 2 of the utility model adopts the outer ring 61, the inner ring 62, the plurality of rib plates 63 and the rib bodies 64 which are of an integral structure, and is connected with the shell 5 by the connecting bolt 10, thereby saving the installation steps compared with the traditional split structure, and the plurality of rib plates 63 are uniformly arranged around the inner ring 62 at intervals, and the arc rib bodies 64 are connected with the adjacent rib plates 63, so that the protection is stable; shaft body 22 of direct current fan 2 passes through inner cover 11 between closing cap 9 and the 6 inner circles 62 of protection casing to support with the U-shaped support frame 12 of inner cover 11, avoids shaft body 22 to hang long great to reduce vibrations, guarantee that the heat exchanger operation is stable, thereby to sum up improve production assembly efficiency and heat dissipation direct current heat exchanger and be applied to hydraulic system's stability.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (6)

1. A heat dissipation direct current heat exchanger comprises a heat exchanger core and a direct current fan, wherein an oil inlet and an oil outlet are respectively arranged on two sides of the heat exchanger core, and a shell is arranged between the direct current fan and the heat exchanger core;

the fan is characterized in that a sealing cover is arranged on one side of the inner ring, connecting bolts are arranged between the sealing cover and the inner ring and between the outer ring and the protective cover, an inner cover is arranged between the sealing cover and the inner ring, a sleeve and a supporting frame outside the shaft body are arranged on the inner cover, and two ends of the shaft body are respectively arranged on the fan body and the sealing cover.

2. The heat-dissipating direct current heat exchanger according to claim 1, wherein the cross section of the rib plate is in a right-angled trapezoidal structure.

3. The heat dissipating direct current heat exchanger of claim 1, wherein a plurality of positioning protrusions are provided on an outer portion of the outer ring, and positioning grooves are provided in the positioning protrusions.

4. The heat dissipating direct current heat exchanger of claim 1, wherein the support frame and the cover are of an integral structure and have a U-shaped cross-section.

5. The heat dissipating direct current heat exchanger of claim 1, wherein the inner wall of the cover is provided with a plurality of snap rings and protrusions, the snap rings and protrusions being in form fit with the inner wall of the inner cover.

6. The heat-dissipating direct current heat exchanger according to any one of claims 1 to 5, wherein the fan body comprises a cover body and a plurality of fan blades, a protruding disc is arranged on the inner wall of the cover body, the protruding disc is located on one side of the inner cover and provided with a pin shaft with a shaft body, and a round key is arranged between a motor shaft of the direct current motor and the shaft body.

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