Device for detecting leakproofness of finned tube

Abstract

The utility model relates to a device for detecting the sealing performance of a finned tube. Comprising a supporting plate, a finned tube arranged on the supporting plate, a first baffle for supporting one side of the finned tube, a second baffle for supporting the other side of the finned tube, a sealing piece for sealing an opening of the finned tube, and a detection piece for detecting the internal pressure of the finned tube, the air inlet end is used for applying pressure to the inside of the finned tube; the pushing piece is used for pushing the sealing piece; the pushing piece is arranged on the supporting plate; the sealing piece is arranged at the pushing end of the pushing piece; four groups of openings are formed in the finned tube; the sealing pieces seal two groups of openings; the detection piece is arranged on the sealing piece and corresponds to one group of openings; the air inlet end is arranged on the sealing piece and corresponds to the other set of openings. The problems that the internal pressure cannot be observed, and only whether sealing exists or not can be detected are solved.

Description

Technical Field

[0001] The utility model relates to the field of finned tubes, in particular to a device for detecting the sealing performance of finned tubes. Background Art

[0002] In the prior art, fin heat exchangers are the most widely used heat exchange equipment in gas and liquid heat exchangers. The purpose of enhancing heat transfer is achieved by adding fins to ordinary base tubes. The base tubes can be made of steel tubes, stainless steel tubes, copper tubes, etc., and the fins can also be made of steel strips, stainless steel strips, copper strips, aluminum strips, etc.

[0003] After the fin heat exchanger is produced and processed, in order to ensure its quality, it will be tested, such as the sealing test. The traditional testing method is usually to place the fin heat exchanger in water, add gas to the inside of the heat exchanger, and observe whether bubbles appear to understand the sealing condition. However, this method of use cannot observe the internal pressure, and can only detect whether it is sealed. Utility Model Content

[0004] The embodiment of the present application provides a device for detecting the sealing of a fin tube, thereby solving the problem in the prior art that the internal pressure cannot be observed and only whether the fin tube is sealed can be detected.

[0005] The technical solution adopted in the embodiments of the present application is as follows.

[0006] A device for detecting the sealing performance of a fin tube comprises a support plate, a fin tube arranged on the support plate, a first baffle supporting one side of the fin tube, a second baffle supporting the other side of the fin tube, a sealing member sealing the opening of the fin tube, a detection member detecting the internal pressure of the fin tube, an air inlet end applying pressure to the fin tube, and a pushing member pushing the sealing member; the pushing member is arranged on the support plate; the sealing member is arranged at the pushing end of the pushing member; there are four groups of openings on the fin tube; the sealing member seals two groups of openings; the detection member is arranged on the sealing member and corresponds to one group of openings, and the air inlet end is arranged on the sealing member and corresponds to the other group of openings.

[0007] A further technical solution is: a first rubber piece is arranged on the first baffle; and one end of the fin tube abuts against the first rubber piece.

[0008] A further technical solution is: a slot is provided on the second baffle; and the fin tube is inserted into the slot.

[0009] A further technical solution is: a sealing groove is provided on the sealing member; a second rubber member is arranged in the sealing groove; when the opening of the fin tube abuts against the second rubber member, two groups of openings of the fin tube are in a sealed state.

[0010] A further technical solution is: a through groove is provided on the sealing member; the openings at both ends of the fin tube correspond to the through groove; the detection member is arranged in one group of the through grooves; and the air inlet end is arranged in another group of the through grooves.

[0011] A further technical solution is: the pushing member is a quick clamp.

[0012] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0013] 1. Due to the use of a plate-shaped support plate, a first baffle is provided on the support plate, a first rubber member is provided on the first baffle, one end of the fin tube abuts against the first rubber member, the first rubber member prevents the fin tube from being deformed due to excessive pressure, a second baffle is provided on the side of the support plate away from the first baffle, a card slot is provided on the second baffle, the fin tube is composed of a plurality of groups of pipes, the fin tube has a total of four groups of openings, the four groups of openings of the fin tube are stuck in the card slot, a pusher is provided on the support plate, the pusher is a quick caliper, a sealing member is provided at the pushing end of the pusher, the sealing member is a square column, a sealing groove is provided on the sealing member, the sealing groove corresponds to the opening of the fin tube, two groups of sealing grooves are provided, a second rubber member is provided in the sealing groove, when the opening of the fin tube abuts against the second rubber member, the second rubber member is deformed, thereby sealing the two groups of openings of the fin tube, at this time the fin The other two groups of tubes have not been sealed yet, and a through groove is provided on the sealing member, and there are two groups of through grooves. A detection member is provided in one group of through grooves, and the detection member is a pressure gauge. The detection member detects the internal pressure of the finned tube. An air inlet end is provided in the other group of through grooves, and the air inlet end is connected to the air source. When detection is required, one end of the finned tube is first pressed against the first rubber member, and then the four groups of openings are inserted into the slots. Then the pushing member is adjusted so that the pushing member drives the sealing member to move toward the direction of the finned tube until the second rubber member blocks two groups of openings. The detection member corresponds to one group of openings and the air inlet end corresponds to the other group of openings. Then, after the air source is connected to the air inlet end, pressure is applied to the finned tube, and then the value of the detection member is observed to see whether it corresponds to the pressure value of the air inlet end, so as to detect whether the interior is sealed and the internal pressure can be observed, thereby realizing the observation of the internal pressure and the detection of whether it is sealed. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the device for detecting the sealing performance of finned tubes in the utility model.

[0015] Figure 2 It is a top view of the device for detecting the sealing performance of fin tubes in the utility model.

[0016] Figure 3 It is a cross-sectional view of a device for detecting the sealing performance of finned tubes in the utility model.

[0017] Figure 4 for Figure 3 A partial enlarged view of middle A.

[0018] In the figure: 1, support plate; 2, fin tube; 3, first baffle; 31, first rubber member; 4, second baffle; 41, slot; 5, sealing member; 51, sealing slot; 52, second rubber member; 53, through slot; 6, detection member; 7, air inlet end; 8, pushing member. DETAILED DESCRIPTION

[0019] The embodiment of the present application provides a device for detecting the sealing of a fin tube, thereby solving the problem in the prior art that the internal pressure cannot be observed and only whether the fin tube is sealed can be detected.

[0020] The technical solution in the embodiment of the present application is to solve the above problems, and the overall idea is as follows

[0021] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0022] A device for detecting the sealing performance of a fin tube comprises a support plate 1, a fin tube 2 arranged on the support plate 1, a first baffle plate 3 supporting one side of the fin tube 2, a second baffle plate 4 supporting the other side of the fin tube 2, a sealing member 5 sealing the opening of the fin tube 2, a detection member 6 for detecting the internal pressure of the fin tube 2, an air inlet end 7 for applying pressure to the fin tube 2, and a pushing member 8 for pushing the sealing member 5; the pushing member 8 is arranged on the support plate 1; the sealing member 5 is arranged at the pushing end of the pushing member 8; there are four groups of openings on the fin tube 2; the sealing member 5 seals two groups of openings; the detection member 6 is arranged on the sealing member 5 and corresponds to one group of openings, and the air inlet end 7 is arranged on the sealing member 5 and corresponds to the other group of openings.

[0023] A first rubber member 31 is disposed on the first baffle plate 3 ; one end of the fin tube 2 abuts against the first rubber member 31 .

[0024] The second baffle plate 4 is provided with a slot 41 ; the fin tube 2 is inserted into the slot 41 .

[0025] A sealing groove 51 is formed on the sealing member 5 ; a second rubber member 52 is disposed in the sealing groove 51 ; when the opening of the fin tube 2 abuts against the second rubber member 52 , two groups of openings of the fin tube 2 are in a sealed state.

[0026] The sealing member 5 is provided with through grooves 53 ; the openings at both ends of the fin tube 2 correspond to the through grooves 53 ; the detection member 6 is arranged in one group of through grooves 53 ; and the air inlet end 7 is arranged in the other group of through grooves 53 .

[0027] The pusher 8 is a quick clamp.

[0028] The support plate 1 is in the shape of a plate, and a first baffle 3 is provided on the support plate 1. A first rubber member 31 is provided on the first baffle 3. One end of the fin tube 2 abuts against the first rubber member 31. The first rubber member 31 prevents the fin tube 2 from being deformed due to excessive pressure. A second baffle 4 is provided on the side of the support plate 1 away from the first baffle 3. A clamping groove 41 is provided on the second baffle 4. The fin tube 2 is composed of a plurality of groups of pipes. The fin tube 2 has a total of four groups of openings. The four groups of openings of the fin tube 2 are clamped in the clamping groove 41. A pusher 8 is provided on the support plate 1. The pusher 8 is a quick caliper. A sealing member 5 is provided at the pushing end of the pusher 8. The sealing member 5 is in the shape of a square column. A sealing groove 51 is provided on the sealing member 5. The sealing groove 51 corresponds to the opening of the fin tube 2. Two groups of sealing grooves 51 are provided. A second rubber member 52 is provided in the sealing groove 51. When the opening of the fin tube 2 abuts against the second rubber member 52, the second rubber member 52 is deformed, thereby the fin tube 2 is clamped. The two groups of openings of the fin tube 2 are sealed. At this time, the other two groups of fin tubes 2 are not sealed. The sealing member 5 is provided with a through groove 53, and the through groove 53 is provided with two groups. A detection member 6 is arranged in one group of the through grooves 53. The detection member 6 is a pressure gauge. The detection member 6 detects the internal pressure of the fin tube 2. The other group of through grooves 53 is provided with an air inlet end 7. The air inlet end 7 is connected to the air source. When detection is required, one end of the fin tube 2 is first pressed against the first rubber member 31, and then the four groups of openings are inserted into the card groove 41. Then, the pushing member 8 is adjusted so that the pushing member 8 drives the sealing member 5 to move toward the direction of the fin tube 2 until the second rubber member 52 blocks two groups of openings. The detection member 6 corresponds to one group of openings and the air inlet end 7 corresponds to the other group of openings. Then, after the air source is connected to the air inlet end 7, pressure is applied to the fin tube 2. Then, it is observed whether the value of the detection member 6 corresponds to the pressure value of the air inlet end 7, so as to detect whether the interior is sealed and observe the internal pressure.

[0029] Since the support plate 1 is in the shape of a plate, a first baffle 3 is arranged on the support plate 1, and a first rubber member 31 is arranged on the first baffle 3. One end of the fin tube 2 abuts against the first rubber member 31, and the first rubber member 31 prevents the fin tube 2 from being deformed due to excessive pressure. A second baffle 4 is arranged on the side of the support plate 1 away from the first baffle 3, and a card slot 41 is opened on the second baffle 4. The fin tube 2 is composed of a plurality of groups of pipes, and the fin tube 2 has four groups of openings. The four groups of openings of the fin tube 2 are stuck in the card slot. The support plate 1 is provided with a pusher 8 in the groove 41, and the pusher 8 is a quick caliper. The pusher 8 is provided with a sealing member 5 at the push end. The sealing member 5 is a square column. The sealing member 5 is provided with a sealing groove 51. The sealing groove 51 corresponds to the opening of the fin tube 2. The sealing groove 51 is provided with two groups. The second rubber member 52 is provided in the sealing groove 51. When the opening of the fin tube 2 abuts against the second rubber member 52, the second rubber member 52 is deformed, thereby sealing the two groups of openings of the fin tube 2. The sealing member 5 is provided with a through groove 53, and the through groove 53 is provided with two groups. A detection member 6 is arranged in one group of the through grooves 53, and the detection member 6 is a pressure gauge. The detection member 6 detects the internal pressure of the fin tube 2. An air inlet end 7 is arranged in the other group of the through grooves 53, and the air inlet end 7 is connected to the air source. When detection is required, one end of the fin tube 2 is first pressed against the first rubber member 31, and then the four groups of openings are inserted into the card groove 41, and then the push member 8 is adjusted so that the push member 8 drives the sealing member 5 to move toward the direction of the fin tube 2 until the second rubber member 52 blocks two groups of openings. The detection member 6 corresponds to one group of openings and the air inlet end 7 corresponds to the other group of openings. Then, after the air source is connected to the air inlet end 7, pressure is applied to the fin tube 2, and then the value of the detection member 6 is observed to be corresponding to the pressure value of the air inlet end 7, so as to detect whether the interior is sealed and the internal pressure can be observed, thereby realizing the observation of the internal pressure and the detection of sealing.

[0030] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present invention.

[0031] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A device for detecting the sealing performance of a fin tube, characterized in that: The invention comprises a support plate (1), a fin tube (2) arranged on the support plate (1), a first baffle plate (3) supporting one side of the fin tube (2), a second baffle plate (4) supporting the other side of the fin tube (2), a sealing member (5) sealing the opening of the fin tube (2), a detection member (6) detecting the internal pressure of the fin tube (2), an air inlet end (7) applying pressure to the inside of the fin tube (2), and a pushing member (8) pushing the sealing member (5); the pushing member (8) is arranged on the support plate (1); the sealing member (5) is arranged at the pushing end of the pushing member (8); and the fin tube (2) has four groups of openings. The sealing member (5) seals two groups of openings; the detection member (6) is arranged on the sealing member (5) and corresponds to one group of openings; the air inlet end (7) is arranged on the sealing member (5) and corresponds to the other group of openings.

2. The device for detecting the sealing performance of a fin tube according to claim 1, characterized in that: A first rubber piece (31) is provided on the first baffle (3); one end of the fin tube (2) abuts against the first rubber piece (31).

3. The device for detecting the sealing performance of a fin tube according to claim 1, characterized in that: The second baffle (4) is provided with a slot (41); the fin tube (2) is inserted into the slot (41).

4. The device for detecting the sealing performance of a fin tube according to claim 1, characterized in that: The sealing member (5) is provided with a sealing groove (51); a second rubber member (52) is arranged in the sealing groove (51); when the opening of the fin tube (2) abuts against the second rubber member (52), two groups of openings of the fin tube (2) are in a sealed state.

5. The device for detecting the sealing performance of a fin tube according to claim 1, characterized in that: The sealing member (5) is provided with a through groove (53); the openings at both ends of the fin tube (2) correspond to the through groove (53); the detection member (6) is arranged in one group of the through grooves (53); and the air inlet end (7) is arranged in another group of the through grooves (53).

6. The device for detecting the sealing performance of a fin tube according to claim 1, characterized in that: The pushing member (8) is a quick clamp.

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