Corrosion-resistant stainless steel pipe for automobile air conditioning system

Abstract

The utility model discloses a corrosion-resistant stainless steel pipe for an automobile air conditioning system, which comprises a pipe body, a sleeve arranged on the outer side of the pipe body, a plurality of arc-shaped plates arrayed on the periphery of the sleeve, and a retainer obliquely arranged along the clockwise or anticlockwise direction, the retainer comprises a front ring body, a rear ring body and a plurality of supporting rods arrayed between the front ring body and the rear ring body, each supporting rod is located between the outer ends of every two arc-shaped plates, the front ring body and the rear ring body are fixed to the front end and the rear end of the pipe body respectively, and the front ring body and the rear ring body further abut against the front end and the rear end of the sleeve respectively; each supporting rod is composed of a cylinder and a flat column which are arranged at intervals, the cylinders abut against the arc-shaped plates, a distance is kept between the flat columns and the arc-shaped plates, the pipe body is provided with the sleeve and the heat exchange fins which are matched with each other, the heat exchange effect is good, and certain impact resistance is achieved.

Description

Technical Field

[0001] The utility model relates to a corrosion-resistant stainless steel pipe for an automobile air-conditioning system. Background Art

[0002] Due to the corrosion resistance of stainless steel, thin-walled stainless steel pipes are currently used as heat exchange pipes and some connecting straight pipes in some automotive air-conditioning systems. However, this type of stainless steel pipe has the following disadvantages when used in automotive air-conditioning systems: due to the smooth outer wall of the stainless steel pipe, it is not easy to match with traditional heat exchange fins; the pipe wall is thin and the impact resistance is poor. Utility Model Content

[0003] The purpose of the utility model is to overcome the deficiencies of the above-mentioned prior art and provide a corrosion-resistant stainless steel pipe for automobile air-conditioning system, which is equipped with matching sleeves and heat exchange fins, has better heat exchange effect and certain impact resistance.

[0004] The technical solution of the utility model is: a corrosion-resistant stainless steel pipe for automobile air-conditioning system, comprising a pipe body, a sleeve provided on the outside of the pipe body, a plurality of arc-shaped plates arranged on the periphery of the sleeve, each of the arc-shaped plates being inclined in a clockwise or counterclockwise direction;

[0005] The invention also includes a retaining frame, the retaining frame including a front ring body, a rear ring body, and a plurality of support rods arrayed between the front ring body and the rear ring body, each support rod being located between the outer ends of each two arc-shaped plates, the front ring body and the rear ring body being fixed to the front and rear ends of the tube body, respectively, and the front ring body and the rear ring body also abutting the front and rear ends of the sleeve, respectively;

[0006] The support rod is composed of a cylinder and a flat column arranged at intervals. The cylinder and the arc plate are in contact with each other, and a distance is maintained between the flat column and the arc plate.

[0007] Specifically, the sleeve and each arc-shaped plate are an integrally formed structure.

[0008] Specifically, the inner wall of the sleeve and the outer wall of the tube body are in contact with each other.

[0009] Furthermore, sealing rings are respectively provided between the front ring body and the rear ring body and the front and rear ends of the sleeve.

[0010] Furthermore, grooves corresponding to the support rods are respectively provided on both sides of the outer end of each of the arc-shaped plates to facilitate positioning of the arc-shaped plates and the support rods.

[0011] Furthermore, the front ring body and the rear ring body are both composed of an inner ring, an outer ring and support ribs arrayed between the inner ring and the outer ring.

[0012] Furthermore, each of the support rods and the rear ring body is an integrally formed structure, and the front ring body has a connecting hole corresponding to each support rod, and the front end of each support rod is inserted into the corresponding hole on the front ring body.

[0013] Furthermore, it also includes two flanges, the front ring body and the rear ring body are respectively sleeved on the front and rear ends of the tube body, and the two flanges are respectively fixed on the front and rear ends of the tube body and respectively limit the front ring body and the rear ring body.

[0014] Furthermore, both ends of the tube body also have connecting ends respectively, and the front ring body, the rear ring body and the two flanges are respectively fixed on the inner sides of the two connecting ends.

[0015] Furthermore, the inner side of the tube body is provided with a corrosion-resistant coating.

[0016] The beneficial effects of the present invention are as follows: the sleeve and the curved plate are aluminum parts, the retaining frame is stainless steel parts, each curved plate serves as a heat exchange fin, and the heat exchange efficiency of the tube body can be effectively improved through the sleeve; each curved plate and the sleeve together serve as a sheath of the tube body, and since each curved plate is arranged in a spiral blade shape, combined with the arrangement of the sleeve, it can effectively prevent external water vapor, impurities, etc. from corroding the tube body, and has a certain anti-vibration and anti-impact effect; and the purpose of setting the retaining frame is mainly to support and position each curved plate, so as to avoid two adjacent curved plates overlapping to form a closed space, which is not conducive to heat exchange with the outside world, and to improve the strength of the outer ring composed of each curved plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a cross-sectional view of the utility model;

[0018] Figure 2 It is a structural diagram of the utility model;

[0019] Figure 3 It is a structural diagram of the retainer in the utility model;

[0020] Figure 4 It is a structural schematic diagram of the support rod in the utility model.

[0021] In the figure: tube body 1, sleeve 2, curved plate 3, retainer 4, front ring body 5, rear ring body 6, support rod 7, cylinder 8, flat column 9, inner ring 10, outer ring 11, support rib 12, flange 13, connecting end 14, corrosion-resistant coating 15. DETAILED DESCRIPTION

[0022] The technical solution of the present invention will be further specifically described below with reference to embodiments and in conjunction with the accompanying drawings.

[0023] Combine Figure 1-4As shown, the corrosion-resistant stainless steel pipe for automobile air conditioning system includes a pipe body 1, a sleeve 2 is provided on the outside of the pipe body 1, and a plurality of curved plates 3 are arranged on the periphery of the sleeve 2, and each of the curved plates 3 is tilted in a clockwise or counterclockwise direction;

[0024] The tube body 1 further includes a retaining frame 4, which includes a front ring body 5, a rear ring body 6, and a plurality of support rods 7 arrayed between the front ring body 5 and the rear ring body 6. Each of the support rods 7 is located between the outer ends of each two curved plates 3. The front ring body 5 and the rear ring body 6 are respectively fixed to the front and rear ends of the tube body 1. The front ring body 5 and the rear ring body 6 also abut the front and rear ends of the sleeve 2 respectively. The retaining frame 4 supports and positions each curved plate 3 to prevent two adjacent curved plates 3 from overlapping to form a closed space, which is not conducive to heat exchange with the outside world.

[0025] The support rod 7 is composed of a cylinder 8 and a flat column 9 arranged at intervals. The cylinder 8 is in contact with the arc plate 3, and a distance is maintained between the flat column 9 and the arc plate 3 so that the outside world and the space between the two arc plates 3 are connected.

[0026] In the above structure, the sleeve 2 and the curved plate 3 are aluminum parts, and the retaining frame 4 is stainless steel. Each curved plate 3 serves as a heat exchange fin, which can effectively improve the heat exchange efficiency of the tube body 1 through the sleeve 2; each curved plate 3 and the sleeve 2 together serve as a sheath for the tube body 1. Since each curved plate 3 is arranged in a spiral blade shape, combined with the setting of the sleeve 2, it can effectively prevent external water vapor, impurities, etc. from corroding the tube body 1, and has a certain anti-vibration and anti-impact effect; and the purpose of setting the retaining frame 4 is mainly to support and position each curved plate 3, so as to avoid two adjacent curved plates 3 overlapping to form a closed space, which is not conducive to heat exchange with the outside world, and to improve the strength of the outer ring composed of each curved plate 3.

[0027] In another embodiment, the sleeve 2 and the arc-shaped plates 3 are an integrally formed structure.

[0028] In another embodiment, Figure 1 As shown, the inner wall of the sleeve 2 and the outer wall of the tube body 1 are in contact with each other.

[0029] In another embodiment, sealing rings are provided between the front ring body 5 and the rear ring body 6 and the front and rear ends of the sleeve 2, respectively.

[0030] In another embodiment, grooves corresponding to the support rods 7 are respectively provided on both sides of the outer ends of the arc-shaped plates 3 to facilitate the positioning of the arc-shaped plates 3 and the support rods 7 .

[0031] In another embodiment, combined Figure 1 and Figure 3As shown, the front ring body 5 and the rear ring body 6 are both composed of an inner ring 10, an outer ring 11 and support ribs 12 arrayed between the inner ring 10 and the outer ring 11 to reduce the weight of the front ring body 5 and the rear ring body 6.

[0032] In another embodiment, each of the support rods 7 and the rear ring body 6 is an integrally formed structure, and the front ring body 5 has a connecting hole corresponding to each support rod 7, and the front end of each support rod 7 is inserted into the corresponding hole on the front ring body 5.

[0033] In another embodiment, Figure 2 As shown, two flanges 13 are also included. The front ring body 5 and the rear ring body 6 are respectively sleeved on the front and rear ends of the tube body 1. The two flanges 13 are respectively fixed on the front and rear ends of the tube body 1 and limit the front ring body 5 and the rear ring body 6 respectively.

[0034] In another embodiment, Figure 2 As shown, both ends of the tube body 1 further have connecting ends 14 , and the front ring body 5 , the rear ring body 6 and the two flanges 13 are fixed on the inner sides of the two connecting ends 14 , respectively.

[0035] In another embodiment, Figure 1 As shown, the inner side of the tube body 1 is further provided with a corrosion-resistant coating 15 .

Claims

1. A corrosion-resistant stainless steel pipe for automobile air conditioning system, comprising a pipe body (1), a sleeve (2) provided on the outer side of the pipe body (1), characterized in that: The outer periphery of the sleeve (2) is provided with a plurality of arc-shaped plates (3) in an array, and each of the arc-shaped plates (3) is tilted in a clockwise or counterclockwise direction; The invention also includes a retaining frame (4), the retaining frame (4) includes a front ring body (5), a rear ring body (6) and a plurality of support rods (7) arrayed between the front ring body (5) and the rear ring body (6), each of the support rods (7) is respectively located between the outer ends of each two arc-shaped plates (3), the front ring body (5) and the rear ring body (6) are respectively fixed to the front and rear ends of the tube body (1), and the front ring body (5) and the rear ring body (6) also respectively abut the front and rear ends of the sleeve (2); The support rod (7) is composed of a cylinder (8) and a flat column (9) arranged at intervals. The cylinder (8) and the arc-shaped plate (3) are in contact with each other, and a distance is maintained between the flat column (9) and the arc-shaped plate (3).

2. The corrosion-resistant stainless steel pipe for automobile air conditioning system according to claim 1, characterized in that: The sleeve (2) and each arc-shaped plate (3) are an integrally formed structure.

3. The corrosion-resistant stainless steel pipe for automobile air conditioning system according to claim 2, characterized in that: The inner wall of the sleeve (2) and the outer wall of the tube body (1) are in contact with each other.

4. The corrosion-resistant stainless steel pipe for automobile air conditioning system according to claim 3, characterized in that: Sealing rings are also provided between the front ring body (5) and the rear ring body (6) and the front and rear ends of the sleeve (2).

5. The corrosion-resistant stainless steel pipe for automobile air conditioning system according to claim 4, characterized in that: Grooves corresponding to the support rods (7) are respectively provided on both sides of the outer ends of each of the arc-shaped plates (3) to facilitate the positioning of the arc-shaped plates (3) and the support rods (7).

6. The corrosion-resistant stainless steel pipe for automobile air conditioning system according to claim 5, characterized in that: The front ring body (5) and the rear ring body (6) are both composed of an inner ring (10), an outer ring (11), and support ribs (12) arrayed between the inner ring (10) and the outer ring (11).

7. The corrosion-resistant stainless steel pipe for automobile air conditioning system according to claim 6, characterized in that: Each of the support rods (7) and the rear ring body (6) is an integrally formed structure, and the front ring body (5) has a connection hole corresponding to each of the support rods (7), and the front end of each of the support rods (7) is inserted into the corresponding hole on the front ring body (5).

8. The corrosion-resistant stainless steel pipe for automobile air conditioning system according to claim 7, characterized in that: It also includes two flanges (13), the front ring body (5) and the rear ring body (6) are respectively sleeved on the front and rear ends of the tube body (1), and the two flanges (13) are respectively fixed on the front and rear ends of the tube body (1) and respectively limit the front ring body (5) and the rear ring body (6).

9. The corrosion-resistant stainless steel pipe for automobile air conditioning system according to claim 8, characterized in that: Both ends of the tube body (1) also have connecting ends (14), and the front ring body (5), the rear ring body (6) and the two flanges (13) are respectively fixed on the inner sides of the two connecting ends (14).

10. The corrosion-resistant stainless steel pipe for automobile air conditioning system according to claim 9, characterized in that: The inner side of the tube body (1) is also provided with a corrosion-resistant coating (15).

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