Oil cooling heat exchanger

Abstract

The utility model discloses an oil cooling heat exchanger which comprises a frame composed of a plurality of supporting frames. The U-shaped heat exchange tube is arranged in the middle of the supporting frame, and a plurality of fins are arranged in the middle of the U-shaped heat exchange tube at equal intervals; the supporting frame comprises a middle plate, a first connecting plate and a second connecting plate, the supporting frame has the advantages that the supporting frame can be assembled quickly and conveniently through the connecting bolts and the limiting bolts; the quick splicing and fixing of the frame can be realized without complicated tools and steps, so that the mounting efficiency is greatly improved; due to the interlocking design of the limiting plug pin and the limiting clamping groove and the matching of the outer threaded pipe and the threaded sleeve, the stability and the reliability of the connecting plug pin after assembly are ensured; even in a long-term use and vibration environment, the fastening state can be kept, and loosening is not prone to occurring.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger technical field, concretely is an oil cooling heat exchanger. BACKGROUND

[0002] The oil cooling heat exchanger exchanges heat with external cooling medium (such as water, air etc.) through the flow of oil in the heat exchange pipe, thereby achieving the purpose of reducing the oil temperature. The heat exchange pipe is usually made of high-efficiency heat-conducting material, such as copper pipe or stainless steel pipe, and may be equipped with fins to increase the heat exchange area and improve the heat exchange efficiency.

[0003] Since part of the oil cooling heat exchanger has a large overall volume, when designing, a modular assembly structure is usually adopted, and when assembling, the frame end portions need to be docked. After docking, a plurality of fastening bolts are installed at both ends of the frame. The traditional bolt and nut cannot quickly dock them, and cannot achieve quick docking positioning. Therefore, the installation and assembly efficiency is not high. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing an oil cooling heat exchanger to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an oil cooling heat exchanger, comprising:

[0006] A frame composed of a plurality of support frames;

[0007] A U-shaped heat exchange pipe is arranged in the middle part of the support frame, and a plurality of fins are equidistantly arranged in the middle part of the U-shaped heat exchange pipe;

[0008] The support frame comprises a middle plate and a first connecting plate and a second connecting plate arranged at both ends of the middle plate. One end of the first connecting plate and one end of the second connecting plate are both fixedly connected with a connecting bolt. The middle part of the connecting bolt is provided with a limiting clamping groove.

[0009] One end of the first connecting plate and one end of the second connecting plate are both fixedly connected with a rectangular frame matched with the connecting bolt. The middle part of the rectangular frame is provided with a limiting bolt interlocked with the limiting clamping groove. The end part of the limiting bolt is threadedly connected with a limiting cover plate for locking the limiting bolt.

[0010] As a preferred, both ends of the U-shaped heat exchange pipe are fixedly connected with a shunt pipe, and the outer side of the shunt pipe is fixedly connected with a connecting flange.

[0011] As a preferred, a reinforcing plate is fixedly connected at the connection of adjacent two first connecting plates, and a triangular plate is fixedly connected at the connection of adjacent two second connecting plates.

[0012] As preferred, the middle part of the rectangular frame is provided with a hole matched with the connecting pin, and a threaded sleeve is fixedly connected outside the hole in the vertical direction, and an externally threaded pipe is screw-connected inside the threaded sleeve.

[0013] As preferred, the limiting pin is slidingly installed in the middle part of the externally threaded pipe, and one end of the limiting pin extends into the interior of the rectangular frame.

[0014] As preferred, the limiting cover plate is screw-connected at the end of the externally threaded pipe, a spring is installed inside the externally threaded pipe, and an extrusion plate is fixedly connected at the end of the spring.

[0015] As preferred, the extrusion plate is fixedly connected with the limiting pin, and the end of the limiting pin is in a conical structure.

[0016] Compared with the prior art, the beneficial effects of the utility model are that: through the connecting pin and the limiting pin structure, the assembly of the support frame becomes fast and convenient; without complex tools and steps, the fast splicing and fixing of the frame can be realized, and the installation efficiency is greatly improved; the interlocking design of the limiting pin and the limiting slot, and the cooperation of the externally threaded pipe and the threaded sleeve ensure the stability and reliability of the connecting pin after assembly; even in a long-term use and vibration environment, the fastening state can be maintained, and the loosening is not easy; through the fixed connection of the reinforcing plate and the triangular plate at the connection of the first connecting plate and the second connecting plate respectively, the structural strength of the whole support frame is effectively enhanced, and the carrying capacity and stability are improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is a structural schematic view of the intermediate plate in the utility model;

[0019] Figure 3 It is a structural schematic view of the support frame splicing in the utility model;

[0020] Figure 4 It is a structural schematic view of the connecting pin in the utility model;

[0021] Figure 5 It is a structural schematic view of the limiting cover plate in the utility model;

[0022] Figure 6 It is a sectional view of the limiting pin in the utility model.

[0023] In the figure: 1, support frame; 2, U-shaped heat exchange pipe; 3, shunt pipe; 4, connecting flange; 5, No. 1 connecting plate; 6, No. 2 connecting plate; 7, middle plate; 8, reinforcing plate; 9, triangular plate; 10, connecting bolt; 11, limiting slot; 12, rectangular frame; 13, threaded sleeve; 14, external threaded pipe; 15, limiting cover plate; 16, spring; 17, extrusion plate; 18, limiting bolt. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figure 1 , 2 , 3, 4, 5, 6, the utility model provides a technical scheme: a kind of oil cooling heat exchanger, comprising: the frame of multiple support frames 1 group;Copper pipe material U-shaped heat exchange pipe 2 is inserted in the middle part of support frame 1, middle plate 7 middle part is equidistantly provided with multiple through holes matched with U-shaped heat exchange pipe 2, the middle part of U-shaped heat exchange pipe 2 is equidistantly provided with multiple fins, airflow blows through the gap of fin, to realize heat exchange in this way;Support frame 1 includes middle plate 7 and No. 1 connecting plate 5 and No. 2 connecting plate 6 installed at both ends of middle plate 7 by bolt, one end of No. 1 connecting plate 5 and one end of No. 2 connecting plate 6 are all welded with connecting bolt 10, the middle part of connecting bolt 10 is equipped with limiting slot 11;One end of No. 1 connecting plate 5 and one end of No. 2 connecting plate 6 are all fixed with rectangular frame 12 matched with connecting bolt 10, the middle part of rectangular frame 12 is equipped with limiting bolt 18 interlocked with limiting slot 11, limiting bolt 18 end is threadedly connected with limiting cover plate 15, for locking limiting bolt 18.

[0026] It should be noted that when the support frame 1 is assembled and spliced, one end of the No. 1 connecting plate 5 is fixedly connected with the connecting bolt 10, the other end of the No. 1 connecting plate 5 is provided with the positioning hole matched with the connecting bolt 10, when splicing, the end of one No. 1 connecting plate 5 is corresponded with the positioning hole of another No. 1 connecting plate 5, the connecting bolt 10 is inserted into the positioning hole, the connecting bolt 10 is inserted into the rectangular frame 12 through the positioning hole and the limiting bolt 18 is lifted up, when the limiting bolt 18 corresponds with the limiting slot 11, under the action of the spring 16, the limiting bolt 18 is inserted into the limiting slot 11, then the spring 16 is screwed to limit the limiting bolt 18, under the matching action of the external threaded pipe 14 and the threaded sleeve 13, the external threaded pipe 14 inserts the limiting bolt 18 into the limiting slot 11, under the extrusion, the two are fixed.

[0027] Please refer to Figure 1 , 2 , 3, the two ends of the U-shaped heat exchange pipe 2 are fixedly connected with the shunt pipe 3, the outer side of the shunt pipe 3 is fixedly connected with the connecting flange 4, the connecting portion of the adjacent two first connecting plates 5 is fixedly connected with the reinforcing plate 8, and the connecting portion of the adjacent two second connecting plates 6 is fixedly connected with the triangular plate 9.

[0028] It should be noted that the two ends of the U-shaped heat exchange pipe 2 are fixedly connected with the shunt pipe 3, and the two shunt pipes 3 are used for oil inlet and oil outlet through the connecting flange 4, and the reinforcing plate 8 and the triangular plate 9 are used for positioning and fixing during installation, so that the connecting portion of the first connecting plate 5 and the connecting portion of the second connecting plate 6 are more stable.

[0029] Please refer to Figure 4 , 5 , 6, the middle part of the rectangular frame 12 is provided with a hole matched with the connecting pin 10, the outer side of the rectangular frame 12 is fixedly connected with a threaded sleeve 13 perpendicular to the direction of the hole, the inside of the threaded sleeve 13 is threadedly connected with an external threaded pipe 14, a limiting pin 18 is slidingly installed in the middle part of the external threaded pipe 14, one end of the limiting pin 18 extends into the inside of the rectangular frame 12, a limiting cover plate 15 is threadedly connected at the end of the external threaded pipe 14, a spring 16 is installed in the inside of the external threaded pipe 14, and one end of the spring 16 is fixedly connected with an extrusion plate 17.

[0030] It should be noted that the connecting pin 10 is inserted into the rectangular frame 12 from one side of the first connecting plate 5, the end of the connecting pin 10 is a chamfered structure, the connecting pin 10 extrudes the limiting pin 18 to one side, under the extrusion effect, the limiting pin 18 moves to the end of the external threaded pipe 14, the limiting pin 18 compresses the spring 16 through the extrusion plate 17, when the limiting pin 18 corresponds to the position of the limiting slot 11, the limiting pin 18 is inserted into the limiting slot 11 under the action of the spring 16, at this time, the external threaded pipe 14, the position of the limiting pin 18 in the external threaded pipe 14 is fixed through the spring 16 and the extrusion plate 17, the limiting pin 18 moves to the inside of the threaded sleeve 13 by rotating the external threaded pipe 14, so as to realize the close cooperation between the limiting pin 18 and the limiting slot 11, realize the clamping and locking of the connecting pin 10, the installation is convenient and fast, and the quick assembly is realized.

[0031] Please refer to Figure 4 , 5 , 6, the extrusion plate 17 is fixedly connected with the limiting pin 18, and the end of the limiting pin 18 is a tapered structure.

[0032] Need to explain, the utility model discloses when rotating outer thread pipe 14, spring 16 in extruding plate 17 is extruded to extruding plate 17, when extruding plate 17 is compressed to final state, and outer thread pipe 14 is extruded and fixed in outer thread pipe 14 inside with spring 16 and extruding plate 17, so that outer thread pipe 14 and limiting pin 18 are integrated, and rotating outer thread pipe 14 makes the chamfer structure of limiting pin 18 end portion extrude limiting clamping groove 11, and the inclined plane extrusion makes connecting pin 10 pull one -end connecting plate 5, to this end, the tight combination is realized.

[0033] In the description of the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0034] In addition, the terms "first", "second", "third", "fourth" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features, so that the features limited by "first", "second", "third", "fourth" can be explicitly or implicitly included at least one feature.

[0035] In the utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication or interaction relationship between two elements, unless otherwise explicitly limited, the above-mentioned terms in the utility model can be understood according to the specific meaning of the specific circumstances by the ordinary skilled in the art.

[0036] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An oil cooling heat exchanger, comprising: a frame composed of a plurality of support frames (1); U-shaped heat exchange pipes (2) arranged in the middle of the support frames (1), the middle of the U-shaped heat exchange pipes (2) being provided with a plurality of fins equidistantly; characterized in that: the support frame (1) comprises a middle plate (7) and a first connecting plate (5) and a second connecting plate (6) arranged at both ends of the middle plate (7), one end of the first connecting plate (5) and one end of the second connecting plate (6) are fixedly connected with a connecting bolt (10), the middle of the connecting bolt (10) is provided with a limiting clamping groove (11); one end of the first connecting plate (5) and one end of the second connecting plate (6) are fixedly connected with a rectangular frame (12) matched with the connecting bolt (10), the middle of the rectangular frame (12) is provided with a limiting bolt (18) interlocked with the limiting clamping groove (11), the end of the limiting bolt (18) is threadedly connected with a limiting cover plate (15) for locking the limiting bolt (18).

2. An oil-to-oil heat exchanger according to claim 1, wherein: both ends of the U-shaped heat exchange pipe (2) are fixedly connected with a shunt pipe (3), the outer side of the shunt pipe (3) is fixedly connected with a connecting flange (4).

3. An oil-to-oil heat exchanger as claimed in claim 1, wherein: the connecting part of adjacent two first connecting plates (5) is fixedly connected with a reinforcing plate (8), and the connecting part of adjacent two second connecting plates (6) is fixedly connected with a triangular plate (9).

4. An oil-to-oil heat exchanger as claimed in claim 1, wherein: the middle of the rectangular frame (12) is provided with a hole matched with the connecting bolt (10), the outer side of the rectangular frame (12) is fixedly connected with a threaded sleeve (13) perpendicular to the hole, the inside of the threaded sleeve (13) is threadedly connected with an external threaded pipe (14).

5. An oil-to-oil heat exchanger according to claim 4, wherein: the limiting bolt (18) is slidingly installed in the middle of the external threaded pipe (14), and one end of the limiting bolt (18) extends into the rectangular frame (12).

6. An oil-to-oil heat exchanger according to claim 5, wherein: the limiting cover plate (15) is threadedly connected at the end of the external threaded pipe (14), the inside of the external threaded pipe (14) is provided with a spring (16), one end of the spring (16) is fixedly connected with a pressing plate (17).

7. An oil-to-oil heat exchanger according to claim 6, wherein: the pressing plate (17) is fixedly connected with the limiting bolt (18), and the end of the limiting bolt (18) is in a conical structure.

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