Surface air cooler pipe fitting fixing structure and surface air cooler

Abstract

The utility model belongs to the technical field of pipe fitting fixing, and discloses a surface air cooler pipe fitting fixing structure and a surface air cooler. The surface air cooler pipe fitting fixing structure comprises a frame body and a pipe sleeve assembly, a via hole is formed in the frame body corresponding to a pipe fitting, specifically, the frame body is a plate, heat exchange devices in a surface air cooler are surrounded by the multiple plates, and the frame body can play a role in bearing the heat exchange devices in the surface air cooler and can also play a role in protecting the heat exchange devices in the surface air cooler; the pipe sleeve assembly comprises a pipe sleeve, a first limiting piece and a second limiting piece, at least part of the pipe fitting is embedded into the via hole, the first limiting piece and the second limiting piece are both connected with the pipe sleeve, the first limiting piece can abut against the end face of one side of the via hole, the second limiting piece can abut against the end face of the other side of the via hole, and the pipe fitting penetrates through the pipe sleeve in an interference mode so as to be fixed by the pipe sleeve in the axial direction. According to the surface air cooler pipe fitting fixing structure, in the working process of the surface air cooler, direct contact with the frame body is avoided when vibration occurs, then the pipe fitting is prevented from being abraded, and the service life of the pipe fitting is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipe fixing technical field especially, relates to a surface cooler pipe fixing structure and surface cooler. BACKGROUND

[0002] The surface cooler has wide application in many fields, and it realizes heat exchange function through copper pipe. In the existing surface cooler, the copper pipe is usually installed on the hole plate of the fixed frame body, however, in the equipment operation process, due to the vibration of the copper pipe, fluid flow and other factors, friction will occur between the copper pipe and the hole plate perforation of the fixed frame body. Long-term friction can cause the pipe wall of the copper pipe perforation to gradually thin, and copper pipe breakage and leakage occur, which affects the normal operation of the surface cooler, increases the maintenance cost and equipment failure risk.

[0003] Therefore, it is urgent to design a surface cooler pipe fixing structure and surface cooler to solve the above problems. UTILITY MODEL CONTENT

[0004] One purpose of the utility model is to provide a surface cooler pipe fixing structure, which can avoid the contact between the pipe and the frame body, prevent the pipe from being worn and thinned during long-term operation, and prolong the service life of the pipe.

[0005] Another purpose of the utility model is to provide a surface cooler, which is not directly in contact with the frame body during pipe fixing, reduces the risk of pipe rupture, and prolongs the service life of the surface cooler.

[0006] To achieve this purpose, the utility model adopts the following technical solutions:

[0007] The surface cooler pipe fixing structure comprises:

[0008] The frame body has a through hole corresponding to the pipe;

[0009] The pipe sleeve assembly comprises a pipe sleeve, a first limiting piece and a second limiting piece, at least part of the pipe is embedded in the through hole, the first limiting piece and the second limiting piece are connected with the pipe sleeve, the first limiting piece can abut against one side end face of the through hole, the second limiting piece can abut against the other side end face of the through hole, and the pipe is inserted into the pipe sleeve in an interference manner to be fixed in the axial direction by the pipe sleeve.

[0010] As an optional solution, the pipe sleeve comprises a smooth part and a threaded part connected with each other, the second limiting piece is annular and protrudes from the circumferential side of the smooth part and is spaced apart from the threaded part, and the first limiting piece is threadedly connected with the threaded part.

[0011] As an optional solution, the second limiting piece is integrally formed with the pipe sleeve.

[0012] As an optional scheme, the second limiting member has a cross section in the shape of a right triangle, one of the right angles of the right triangle is in contact with the circumferential surface of the smooth portion, and the other right angle is capable of abutting against the end surface of the through hole.

[0013] As an optional scheme, the threaded portion is provided with an equal diameter in the axial direction, and the inner wall of the sleeve is provided with an anti-skid structure to allow the pipe to be installed in the sleeve with an interference fit.

[0014] As an optional scheme, the outer diameter of the threaded portion gradually increases from the free end to the end close to the second limiting member, the threaded portion is formed by at least two arc-shaped portions, the adjacent two arc-shaped portions are spaced apart, the first limiting member is threadedly connected with the at least two arc-shaped portions, the internal thread of the first limiting member is an equal-diameter thread, and the maximum outer diameter of the threaded portion is greater than the diameter of the internal thread of the first limiting member.

[0015] As an optional scheme, the second limiting member is arranged at a position other than the end of the smooth portion.

[0016] As an optional scheme, the sleeve is made of wear-resistant engineering plastic or wear-resistant rubber.

[0017] A surface cooler comprises;

[0018] The surface cooler pipe fixing structure described above;

[0019] The pipe is arranged through the through hole.

[0020] As an optional scheme, the pipe comprises a straight pipe for heat exchange and an elbow pipe connected with the straight pipe and arranged outside the frame, the first limiting member is threadedly connected with the sleeve, and the first limiting member is located outside the straight pipe.

[0021] The surface cooler pipe fixing structure has the following beneficial effects:

[0022] The surface cooler pipe fixing structure comprises a sleeve arranged on a through hole formed in a plate, and the sleeve is fixed on a frame by a first limiting member and a second limiting member.

[0023] The surface cooler comprises the surface cooler pipe fixing structure and a pipe, and the pipe is arranged through the through hole. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the surface cooler tube fixing structure and the tube structure provided in Embodiment 1 of this utility model;

[0025] Figure 2 This is a schematic diagram of the fixing structure of the surface cooler tube provided in Embodiment 1 of this utility model;

[0026] Figure 3 This is a schematic diagram of the first structure of the surface cooler tube fixing structure provided in Embodiment 2 of this utility model;

[0027] Figure 4 This is a schematic diagram of the second structure of the surface cooler tube fixing structure provided in Embodiment 2 of this utility model.

[0028] In the picture:

[0029] 10. Frame; 11. Through holes;

[0030] 20. Sleeve assembly; 21. Sleeve; 211. Smooth part; 212. Threaded part; 2121. Arc-shaped part; 22. First limiting member; 23. Second limiting member;

[0031] 200, pipe fittings; 210, straight pipe; 220, bend. Detailed Implementation

[0032] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0033] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0034] In the utility model, unless another definite provision and limitation, first feature is "on" or "under" second feature, can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through other feature between them. Moreover, first feature "on", "above" and "upper surface of" second feature includes that first feature is directly above and obliquely above second feature, or only indicates that first feature is higher than second feature in horizontal height. First feature "under", "below" and "under surface of" second feature includes that first feature is directly below and obliquely below second feature, or only indicates that first feature is lower than second feature in horizontal height.

[0035] In the description of the embodiment, the orientation or position relationship of the terms "on", "under", "left", "right" and the like is based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to 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. In addition, the terms "first", "second" are only used to distinguish in description, and have no special meaning.

[0036] Embodiment one

[0037] The embodiment provides a surface cooler pipe fixing structure, which can avoid the contact between the pipe 200 and the frame body 10, prevent the pipe 200 from being abraded and thinned during long-term operation, and prolong the service life of the pipe 200, as shown in Figure 1 and Figure 2 The surface cooler pipe fixing structure includes a frame body 10 and a pipe sleeve assembly 20. The frame body 10 is provided with a through hole 11 corresponding to the pipe 200. Specifically, the frame body 10 is a plate member, and a plurality of plate members enclose the internal heat exchange device of the surface cooler. The frame body 10 can not only bear the internal heat exchange device of the surface cooler, but also protect the internal device. The pipe sleeve assembly 20 includes a pipe sleeve 21, a first limiting member 22 and a second limiting member 23. At least part of the pipe 200 is embedded in the through hole 11. The first limiting member 22 and the second limiting member 23 are connected with the pipe sleeve 21. The first limiting member 22 can abut against one side end face of the through hole 11, and the second limiting member 23 can abut against the other side end face of the through hole 11. The pipe 200 is inserted into the pipe sleeve 21 in an interference manner, so that the pipe 200 is fixed in the axial direction by the pipe sleeve 21.

[0038] The above-described surface condenser pipe fixing structure sets a sleeve 21 on the through hole 11 of the plate, and the sleeve 21 is fixed on the frame 10 through a first limiting piece 22 and a second limiting piece 23. When the pipe 200 is installed, the pipe 200 is inserted into the sleeve 21. Since the pipe 200 is installed in the sleeve 21 with interference, the pipe 200 is fixed by the sleeve 21. Thus, when the surface condenser works and vibrates, the pipe 200 contacts the sleeve 21, avoiding direct contact with the frame 10, and further avoiding abrasion of the pipe 200, thereby prolonging the service life of the pipe 200.

[0039] Optionally, as shown in Figure 2 The sleeve 21 includes a smooth part 211 and a threaded part 212, the second limiting piece 23 is annular and protrudes from the circumferential side of the smooth part 211 and is spaced apart from the threaded part 212, and the first limiting piece 22 is threadedly connected with the threaded part 212. Through the above-mentioned arrangement, the installation of the sleeve 21 is facilitated, that is, during installation, the sleeve 21 is first inserted into the through hole 11, the second limiting piece 23 is abutted to one end face of the through hole 11, and then the first limiting piece 22 is connected with the threaded part 212 in place until it is abutted to the other end face of the through hole 11.

[0040] Optionally, the second limiting piece 23 is integrally formed with the sleeve 21, which facilitates the abutment of the second limiting piece 23 to one end face of the through hole 11 during the installation of the sleeve 21. In other embodiments, the second limiting piece 23 can also be detachably arranged with the sleeve 21, which is not limited herein.

[0041] Optionally, as shown in Figure 2 The cross section of the second limiting piece 23 is a right triangle, one of the right angles of the right triangle is in contact with the circumferential surface of the smooth part 211, and the other right angle can abut the end face of the through hole 11. Through the above-mentioned arrangement, the good adhesion of the second limiting piece 23 when abutting to the end face of the through hole 11 can be ensured, and the good limiting strength can be ensured.

[0042] Optionally, the threaded part 212 is arranged with equal diameter in the axial direction, and an anti-skid structure is arranged on the inner wall of the sleeve 21 to enable the pipe 200 to be installed in the sleeve 21 with interference. That is, the interference installation of the pipe 200 and the sleeve 21 is realized through the anti-skid structure on the inner wall of the sleeve 21, avoiding axial movement of the pipe 200 in the sleeve 21.

[0043] Optionally, the anti-skid structure can be a structure such as a pattern or a protrusion, which is not limited herein.

[0044] Optionally, as shown in Figure 2As shown, the second limiting member 23 is arranged at a position away from the end of the smooth part 211. It can be understood that there is still part of the smooth part 211 on the side of the second limiting member 23 away from the first limiting member 22, so as to assist in supporting the part of the pipe 200 extending out of the frame 10, and improve the supporting strength of the pipe sleeve 21 on the pipe 200.

[0045] Optionally, the pipe sleeve 21 is made of wear-resistant engineering plastic or wear-resistant rubber. The above materials have certain strength, and the hardness of the wear-resistant engineering plastic or wear-resistant rubber material is lower than that of the copper material of the pipe 200, so as not to cause wear of the copper material of the pipe 200, and the hardness can ensure good support of the pipe 200.

[0046] The embodiment also provides a surface air cooler, which comprises the surface air cooler pipe fixing structure and the pipe 200 arranged through the hole 11. By adopting the surface air cooler pipe fixing structure, the pipe 200 is not in direct contact with the frame 10 when fixed, so as to reduce the risk of breakage of the pipe 200 due to wear, and prolong the service life of the surface air cooler.

[0047] Optionally, as shown in Figure 1 The pipe 200 comprises a straight pipe 210 for heat exchange and an elbow pipe 220 connected with the straight pipe 210 and arranged outside the frame 10. The first limiting member 22 is threadedly connected with the pipe sleeve 21, and the first limiting member 22 is located outside the straight pipe 210. By arranging the first limiting member 22 on one side of the straight pipe 210, the length of the threaded part 212 can be set to be longer, and the length of the threaded part 212 is increased. It can be understood that, if the first limiting member 22 is arranged on one side of the elbow pipe 220, the length of the threaded part 212 is limited, and even the length of the threaded part 212 cannot be ensured to be greater than the size of the first limiting member 22 in the axial direction, which is not conducive to the stable connection of the first limiting member 22 and the threaded part 212, and increases the risk of disconnection of the first limiting member 22 and the threaded part 212.

[0048] Optionally, in order to ensure the connection stability of the first limiting member 22 and the threaded part 212, a gasket or other structure can be arranged between the first limiting member 22 and the frame 10 to increase the friction.

[0049] It should be noted that, Figure 1 The elbow pipe 220 in the above figure shows a shorter straight part of the elbow pipe 220, and the elbow pipe 220 is arranged outside the space surrounded by the frames 10. In addition to the figure, the elbow pipe 220 is bent.

[0050] Embodiment two

[0051] The structure of the embodiment is basically the same as that of the first embodiment, and the same parts will not be described again. The difference lies in that, as shown in Figure 3 and Figure 4As shown, the outer diameter of the threaded portion 212 gradually increases from its free end to the end near the second limiting member 23. The threaded portion 212 is formed by at least two arc-shaped portions 2121, with adjacent arc-shaped portions 2121 spaced apart. The first limiting member 22 is threadedly connected to at least two arc-shaped portions 2121 simultaneously. The internal thread of the first limiting member 22 is a constant diameter thread, and the maximum outer diameter of the threaded portion 212 is greater than the diameter of the internal thread of the first limiting member 22. With the above configuration, the inside of the sleeve 21 does not need to be provided with an anti-slip structure, and the first limiting member 22 allows the sleeve to be closed from the inside. Figure 3 As the pipe is gradually screwed from the left end to the right, the outer diameter of the right end is larger, while the inner diameter of the thread of the first limiting member 22 remains unchanged. As it moves to the right, the first limiting member 22 forces at least two arc-shaped portions 2121 to move closer to the axis, thereby tightening the pipe fitting 200 and forming an interference fit. This structure is more reliable than the anti-slip structure.

[0052] Optionally, such as Figure 4 As shown, four arc-shaped portions 2121 are provided, and the four arc-shaped portions 2121 have the same shape. In other embodiments, the number of arc-shaped portions 2121 may be two, three or more, which is not limited here.

[0053] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A structure for fixing a tube of a surface condenser, characterized by comprising: The application relates to a fixing structure of a tube of a surface condenser. The fixing structure comprises a frame (10) and a sleeve assembly (20). The sleeve assembly (20) comprises a sleeve (21), a first limiting piece (22) and a second limiting piece (23).

2. The surface condenser pipe fixing structure according to claim 1, characterized by The sleeve (21) comprises a smooth part (211) and a threaded part (212).

3. The surface condenser pipe fixing structure according to claim 2, characterized by The second limiting piece (23) is annular and is arranged on the periphery of the smooth part (211) and is spaced from the threaded part (212).

4. The surface condenser pipe fixing structure according to claim 2, characterized by The first limiting piece (22) is threadedly connected with the threaded part (212).

5. The surface condenser pipe fixing structure according to claim 2, characterized by The second limiting piece (23) is integrally formed with the sleeve (21).

6. The surface condenser pipe fixing structure according to claim 2, characterized by The second limiting piece (23) is in the shape of a right-angled triangle.

7. The surface condenser pipe fixing structure according to claim 2, wherein The outer diameter of the threaded part (212) gradually increases from the free end to the end close to the second limiting piece (23).

8. The surface condenser tube fixing structure according to any one of claims 1 to 7, characterized in that, The threaded part (212) is formed by at least two arc-shaped parts (2121).

9. A surface condenser, characterized by The first limiting piece (22) is threadedly connected with at least two arc-shaped parts (2121). The first limiting piece (22) is arranged on the outer side of the straight tube (210). The sleeve (21) is made of wear-resistant engineering plastic or wear-resistant rubber.

10. The surface cooler of claim 9, wherein, The application further relates to a fixing structure of a tube of a surface condenser. The tube (200) is arranged in the through hole (11). The tube (200) comprises a straight tube (210) for heat exchange and a bend tube (220) connected with the straight tube (210) and arranged outside the frame (10). The first limiting piece (22) is threadedly connected with the sleeve (21). The first limiting piece (22) is arranged on the outer side of the straight tube (210).

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