CN211855730U - A device for measuring air duct tightness - Google Patents

Abstract

The utility model belongs to tuber pipe test field, concretely relates to tuber pipe leakproofness measuring device, the water tank comprises a water tank, the upper end fixedly connected with supporting seat of water tank, the upper end fixedly connected with support frame of supporting seat, the upper end fixed mounting of support frame has first cylinder, first adapter sleeve is installed through the bolt to the lower extreme of the first cylinder pole of first cylinder, the lower extreme fixedly connected with connecting seat of first adapter sleeve, the fixed surface of connecting seat installs the second cylinder, the second adapter sleeve is installed through the bolt to the end of the second cylinder pole of second cylinder. The utility model discloses a seal receptacle that is supported by the movable plate in the both ends design of tuber pipe carries out the shutoff to the both ends of tuber pipe, and the movable plate passes through the drive of second cylinder, is convenient for carry out the shutoff to the tuber pipe fast, designs the connecting pipe of input air on the movable plate, and the back is aerifyd to the tuber pipe, and the first cylinder of accessible drives the tuber pipe and sinks to the water tank, looks over gas tightness, convenient and fast.

Description

A device for measuring air duct tightness

technical field

The utility model relates to the technical field of air duct testing, in particular to an air duct tightness measuring device.

Background technique

Air duct is a piping system used for air transportation and distribution. There are two types of composite air ducts and inorganic air ducts. They can be classified according to cross-sectional shape and material. Apply sealant to the gaps such as the four corners of the flange, and remove the surface dust and oil before applying the sealant. According to the cross-sectional shape, air ducts can be divided into circular air ducts, rectangular air ducts, and oblate air ducts.

After the air duct is processed, it is necessary to carry out a tightness test to check whether there is a gap in the air duct and whether the processing is qualified. When testing an air duct at present, the operation of the detection device is complicated, and it is difficult to perform a rapid test, and the applicability of the detection device is poor, so it is difficult to detect air ducts of different lengths. Therefore, there is a need for improvements to the prior art.

Utility model content

The purpose of the utility model is to provide an air duct tightness measuring device, which solves the problem that it is difficult to quickly detect during the air duct tightness test, and also solves the problem of poor applicability of the detecting device.

In order to achieve the above purpose, the present invention provides the following technical solutions: an air duct tightness measuring device, comprising a water tank, a support seat is fixedly connected to the upper end of the water tank, and a support frame is fixedly connected to the upper end of the support seat, and the The upper end of the support frame is fixedly installed with a first cylinder, the lower end of the first cylinder rod of the first cylinder is installed with a first connection sleeve through bolts, and the lower end of the first connection sleeve is fixedly connected with a connection seat, the connection seat The surface of the second cylinder is fixedly installed with a second cylinder, the end of the second cylinder rod of the second cylinder is installed with a second connecting sleeve through bolts, and the right end of the second connecting sleeve is fixedly connected with a moving plate, and the interior of the moving plate is A connecting pipe is fixedly connected, a sealing seat is adhered to the left end of the moving plate, a connecting pipe is inserted in the sealing seat, and a sliding seat is fixedly connected to the lower end of the moving plate.

Preferably, a hose is sleeved on the outer side of the connecting pipe, and a clamp is fixedly installed on the outer side of the hose.

Preferably, a support plate is slidably connected in the water tank, and a through groove is formed on the support plate.

Preferably, a sliding groove is provided on the side of the support plate, and a sliding seat is slidably connected in the sliding groove.

Preferably, a pipe seat is fixedly connected to the upper end of the support plate, an air duct is placed inside the pipe seat, and both ends of the air duct are in close contact with the sealing seat.

Preferably, the support frame is U-shaped, a gap is formed in the middle of the upper end of the support frame, and a first cylinder rod is slidably connected in the gap.

Compared with the prior art, the beneficial effects of the present utility model are as follows:

1. The utility model seals the two ends of the air duct by designing sealing seats supported by the moving plate at both ends of the air duct, and the moving plate is driven by the second cylinder, which is convenient to quickly seal the air duct and move the air duct. The connecting pipe for inputting air is designed on the board. After the air duct is inflated, the air duct can be driven to sink to the water tank by the first cylinder to check the air tightness, which is convenient and quick.

2. The utility model can expand and contract to a certain extent by designing a moving plate driven by the second cylinder, so that it can adapt to air ducts of different lengths, so that it can also be used when detecting air ducts of different lengths, and the applicability is better. .

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is an enlarged view of the structure of part A of Fig. 1 of the utility model;

Fig. 3 is the side view of the support plate of Fig. 1 of the utility model;

FIG. 4 is a side view of the socket of FIG. 1 of the present utility model.

In the figure: 1. Water tank; 2. Supporting seat; 3. Supporting frame; 4. First cylinder; 5. First cylinder rod; 6. First connecting sleeve; 7. Connecting seat; 8. Second cylinder; 9. The second cylinder rod; 10, the second connecting sleeve; 11, the moving plate; 12, the connecting pipe; 13, the sealing seat; 14, the hose; 15, the clamp; 16, the sliding seat; 17, the supporting plate; groove; 19, chute; 20, pipe seat; 21, air duct.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example

Please refer to Figures 1-4, an air duct tightness measurement device, including a water tank 1, a support base 2 is fixedly connected to the upper end of the water tank 1, a support frame 3 is fixedly connected to the upper end of the support base 2, and the upper end of the support frame 3 is fixedly installed There is a first cylinder 4, the model is SC series standard cylinder, which belongs to the prior art and is equipped with a control switch. The lower end of the first cylinder rod 5 of the first cylinder 4 is installed with a first connecting sleeve 6 through bolts. The lower end of 6 is fixedly connected with a connecting seat 7, and the surface of the connecting seat 7 is fixedly mounted with a second cylinder 8, the model is SC series standard cylinder, which belongs to the prior art, and the end of the second cylinder rod 9 of the second cylinder 8 is installed by bolts There is a second connecting sleeve 10, the right end of the second connecting sleeve 10 is fixedly connected with a moving plate 11, the interior of the moving plate 11 is fixedly connected with a connecting pipe 12, the left end of the moving plate 11 is bonded with a sealing seat 13, and the sealing seat 13 is inserted There is a connecting pipe 12 , and a sliding seat 16 is fixedly connected to the lower end of the moving plate 11 .

Referring to FIG. 1 , a hose 14 is sleeved on the outer side of the connecting pipe 12 , and a clamp 15 is fixedly installed on the outer side of the hose 14 . The hose 14 is connected to the air pump, and air can be input into the connecting pipe 12 through the hose 14 , thereby inputting air into the air duct 21 .

Referring to FIG. 1 , a support plate 17 is slidably connected in the water tank 1 , and a through groove 18 is defined on the support plate 17 . The design of the through groove 18 can make the water flow to the upper end of the support plate 17 through the through groove 18 when the support plate 17 sinks.

Please refer to FIG. 3 , a sliding groove 19 is defined on the side of the support plate 17 , and a sliding seat 16 is slidably connected to the sliding groove 19 . The support plate 17 can be supported by the cooperation of the sliding groove 19 and the sliding seat 16 .

Please refer to FIG. 1 and FIG. 4 , the upper end of the support plate 17 is fixedly connected with a tube seat 20 , and an air duct 21 is placed inside the tube seat 20 . The sealing seat 13 is made of rubber material and has good sealing performance.

Please refer to FIG. 1 , the support frame 3 is U-shaped, a gap is formed in the middle of the upper end of the support frame 3 , and a first cylinder rod 5 is slidably connected in the gap. The design of the notch provides a moving space for the first cylinder rod 5 .

The specific implementation process of the present invention is as follows: when the air duct 21 needs to be tested for air tightness, the air duct 21 is first placed on the pipe seat 20, then the second cylinder 8 is activated, and the second cylinder 8 drives the second cylinder rod 9 The second cylinder rod 9 drives the second connecting sleeve 10 to move, the second connecting sleeve 10 drives the moving plate 11 to move, the moving plate 11 drives the sealing seat 13 to move, and the sealing seat 13 can be close to the two ends of the air duct 21 and port Seal, then start the first cylinder 4, the first cylinder rod 5 of the first cylinder 4 drives the first connecting sleeve 6 to move down, and the first connecting sleeve 6 drives the connecting seat 7 to move down, so that the second cylinder 8, the first The second cylinder rod 9, the second connecting sleeve 10, the moving plate 11, the sealing seat 13 and the air duct 21 sink down until the air duct 21 is completely immersed in water, and then start the air pump (not shown in the figure) to supply the hose 14 air, so as to inflate the air duct 21 through the connecting pipe 12, you can observe whether air bubbles are generated in the water, and judge its tightness, which is convenient and quick, and by designing the moving plate 11 driven by the second air cylinder 8, it can be stretched to a certain extent. , so that it can be adapted to air ducts 21 of different lengths, so that it can also be used when detecting air ducts 21 of different lengths, and the applicability is better.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. An air duct tightness measuring device, comprising a water tank (1), characterized in that: the upper end of the water tank (1) is fixedly connected with a support seat (2), and the upper end of the support seat (2) is fixedly connected with a A support frame (3), the upper end of the support frame (3) is fixedly mounted with a first cylinder (4), and the lower end of the first cylinder rod (5) of the first cylinder (4) is mounted with a first connection through bolts A sleeve (6), a connecting seat (7) is fixedly connected to the lower end of the first connecting sleeve (6), a second air cylinder (8) is fixedly installed on the surface of the connecting seat (7), and the second air cylinder ( 8) The end of the second cylinder rod (9) is mounted with a second connecting sleeve (10) through bolts, and a moving plate (11) is fixedly connected to the right end of the second connecting sleeve (10), and the moving plate (11) ) is fixedly connected with a connecting pipe (12), a sealing seat (13) is bonded to the left end of the moving plate (11), and a connecting pipe (12) is inserted into the sealing seat (13), and the moving plate (11) is A sliding seat (16) is fixedly connected to the lower end of (11). 2 . The air duct tightness measuring device according to claim 1 , wherein a hose ( 14 ) is sleeved on the outer side of the connecting pipe ( 12 ), and the outer side of the hose ( 14 ) is fixed. 3 . A clamp (15) is installed. 3 . The air duct tightness measuring device according to claim 1 , wherein a support plate ( 17 ) is slidably connected in the water tank ( 1 ), and a through groove is formed on the support plate ( 17 ). 4 . (18). 4 . The air duct tightness measuring device according to claim 3 , wherein a sliding groove ( 19 ) is opened on the side of the support plate ( 17 ), and a sliding groove ( 19 ) is slidably connected in the sliding groove ( 19 ). 5 . Slider (16). 5 . The air duct tightness measuring device according to claim 3 , wherein a pipe seat ( 20 ) is fixedly connected to the upper end of the support plate ( 17 ), and the inner pendulum of the pipe seat ( 20 ) is oscillated. 6 . An air duct (21) is placed, and both ends of the air duct (21) are in close contact with the sealing seat (13). 6 . The air duct tightness measuring device according to claim 1 , wherein the support frame ( 3 ) is U-shaped, a gap is formed in the middle of the upper end of the support frame ( 3 ), and the gap slides inside the gap. 7 . A first cylinder rod (5) is connected.

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