A composite hose airtightness testing device

Abstract

This utility model discloses a composite hose airtightness testing device, belonging to the field of composite hose processing technology. It includes a testing platform with a fixing component for securing the composite hose, and the hose to be tested is fixed on the fixing component. An airtightness testing component is also provided on the testing platform. The testing component includes a mounting plate fixedly connected to the testing platform surface, and a sliding plate located in front of the mounting plate is slidably connected to the testing platform. The mounting plate is located on the back of the fixing component, and an electric push rod is fixedly mounted on the back of the mounting plate, with the output end of the electric push rod penetrating the mounting plate. This utility model utilizes the flexibility of the composite hose. After multiple hoses are fixed in a U-shape by the fixing component, the exhaust pipe and inlet pipe on the mounting frame, driven by the electric push rod, and a sealing plug are used to seal the hose interfaces. This allows for pressurized gas delivery to simultaneously test the airtightness of multiple hoses, thereby improving the hose testing efficiency.

Description

Technical Field

[0001] This utility model relates to the field of composite hose processing technology, and in particular to a composite hose airtightness testing device. Background Technology

[0002] Chemical composite hoses are multi-layered flexible pipes made of various materials with different properties (usually plastics and synthetic fibers / steel wires) through a composite process. Their core design goal is to safely and efficiently transport liquid or gaseous media that are chemically corrosive, hazardous, or have special requirements.

[0003] To facilitate the testing of the airtightness of chemical composite hoses, an airtightness testing device is used after the hose is manufactured. For example, the rubber hose airtightness testing device disclosed in announcement number CN215931196U uses a connecting seat, a first sliding block, a vertical plate, a rack, a transmission block, a drive motor, a rotating disk, and a transmission gear to adjust the rubber hose longitudinally, increasing the testing range. The rubber hose is inflated by using an air pump, an inlet pipe, and an outlet pipe. The rubber hose is then placed in a transparent water tank to observe whether there is any air leakage.

[0004] However, the aforementioned airtightness testing device can only test one hose at a time during testing. When a large number of hoses need to be tested, the testing time is long, which not only increases the labor intensity of the operators but also reduces the testing efficiency. Therefore, a composite hose airtightness testing device is proposed to solve the above problems. Utility Model Content

[0005] (a) Purpose of the utility model To address the technical problems existing in the background art, this utility model proposes a composite hose airtightness testing device, which can simultaneously test multiple hoses by using a fixing component on the testing platform in conjunction with the testing component, thus improving testing efficiency.

[0006] (II) Technical Solution This utility model provides a composite hose air tightness testing device, including a testing platform, on which a fixing component for fixing the composite hose is provided, and the hose to be tested is fixed on the fixing component; The testing platform is equipped with testing components for airtightness testing; The testing component includes a mounting plate fixedly connected to the testing table surface, and a sliding plate located in front of the mounting plate is slidably connected to the testing table surface. The mounting plate is located on the back of the fixing component. An electric push rod is fixedly installed on the back of the mounting plate, and the output end of the electric push rod passes through the mounting plate and is fixed to the sliding plate. Several mounting brackets are fixedly connected to the front of the sliding plate and are evenly distributed. The ends of the mounting brackets are sequentially fixedly connected to an exhaust pipe and an intake pipe, and each exhaust pipe and intake pipe is spaced apart. A sealing plug is fixedly connected to the outer surface of the exhaust pipe and intake pipe near the fixing component. A one-way valve and a pressure gauge are sequentially installed on the end of the intake pipe, and the one-way valve and pressure gauge are located behind the sealing plug. A pressure relief valve is installed on the end of the exhaust pipe near the fixing component, and the pressure relief valve is located behind the sealing plug. The testing platform is equipped with a delivery assembly that supplies testing gas to several air inlet pipes.

[0007] Preferably, the end of the mounting bracket away from the slide plate is L-shaped, and the sealing plug is a rubber plug, and the sealing plug is conical.

[0008] Preferably, the testing table has a groove for the slide plate to slide on, and a slider extending into the groove is fixedly connected below the slide plate, and the slider is slidably connected to the groove.

[0009] Preferably, the conveying assembly includes a support plate slidably connected to one side of the testing table, and an air pump is fixedly installed on the support plate. The air outlet of the air pump is connected to an air supply pipe, and the air supply pipe is connected to several air inlets. The support plate is fixed to the slide plate, and the side of the support plate near the testing table is convex, while the side of the testing table near the support plate has a groove for sliding the convex end.

[0010] Preferably, the fixing member includes a placement plate fixedly connected to the test table surface and located in front of the sealing plug, a clamping plate slidably connected to the placement plate, a threaded rod rotatably connected to the middle of the upper surface of the placement plate and passing through the clamping plate, and a guide rod passing through the clamping plate fixedly connected to the upper surface of the placement plate.

[0011] Preferably, the clamping plate has a threaded hole in the middle, and the threaded hole is adapted to the thread on the outside of the threaded rod. The lower surface of the clamping plate and the upper surface of the placement plate are provided with several equally spaced semi-circular fixing grooves, and the end of the pipe is fixed between the placement plate and the clamping plate through the fixing grooves.

[0012] Preferably, a liquid guide groove is fixedly installed on the front side of the testing platform, and a liquid storage tank is fixedly connected to the other side of the testing platform, and the liquid storage tank contains soapy water.

[0013] Compared with the prior art, the above-mentioned technical solution of this utility model has the following beneficial technical effects: 1. This composite hose air tightness testing device utilizes the flexibility of the composite hose. After multiple hoses are fixed in a U-shape by fasteners, the exhaust pipe, air inlet pipe, and sealing plug on the mounting bracket driven by an electric push rod are used to seal the hose interfaces. Then, gas is supplied and pressurized to perform simultaneous air tightness testing on multiple hoses, thereby improving the testing efficiency of the hoses.

[0014] 2. This composite hose airtightness testing device, through the liquid guide tank on the front side of the testing platform and the liquid storage tank on the other side of the testing platform, allows the operator to easily apply soapy water from the storage tank to the surface of the hose, thereby facilitating the operator to further observe the leaks in the hose and improving the testing effect of the hose. Attached Figure Description

[0015] Figure 1 This is a perspective view of the overall structure of this utility model; Figure 2 This is a side view of the overall structure of this utility model; Figure 3 This utility model Figure 1 Enlarged view of point A in the middle.

[0016] Reference numerals: 1. Testing table; 2. Fixing component; 21. Placement plate; 22. Clamping plate; 23. Threaded rod; 24. Guide rod; 3. Testing component; 31. Mounting plate; 32. Electric push rod; 33. Slide plate; 34. Mounting bracket; 35. Exhaust pipe; 36. Inlet pipe; 37. Support plate; 38. Air pump; 39. Air delivery pipe; 310. One-way valve; 311. Pressure gauge; 312. Sealing plug; 4. Liquid guide tank; 5. Liquid storage tank; 6. Pipe. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be understood that these descriptions are merely exemplary and not intended to limit the scope of this utility model. Furthermore, descriptions of well-known structures and technologies are omitted in the following description to avoid unnecessarily obscuring the concept of this utility model.

[0018] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used solely for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0019] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, such as welding, riveting, or bonding; it can also be a detachable connection, such as threaded connection, keyed connection, or pin connection; or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; or it can be a connection within 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.

[0020] like Figure 1-3 As shown, the present invention proposes a composite hose air tightness testing device, which includes a testing platform 1, a fixing member 2 for fixing the composite hose on the testing platform 1, and a pipe 6 to be tested fixed on the fixing member 2. The testing station 1 is equipped with a testing component 3 for airtightness testing.

[0021] In this embodiment, multiple hoses can be simultaneously tested by using the fixing member 2 on the testing station 1 in conjunction with the testing member 3.

[0022] It should be noted that a liquid guide trough 4 is fixedly installed on the front side of the testing platform 1, and a liquid storage tank 5 is fixedly connected to the other side of the testing platform 1. The liquid storage tank 5 contains soapy water, and the inner bottom wall of the liquid guide trough 4 is inclined with the left side higher than the right side and the front side higher than the back side. At the same time, the liquid guide trough 4 is connected to the liquid storage tank 5. By using the liquid guide trough 4 on the front side of the test stand 1 in conjunction with the liquid storage tank 5 on the other side of the test stand 1, the operator can easily apply the soapy water in the liquid storage tank 5 to the surface of the pipe 6, thereby facilitating the operator to further observe the leak in the hose and improve the testing effect of the hose.

[0023] In an optional embodiment, the detection component 3 includes a mounting plate 31 fixedly connected to the surface of the detection table 1, and a sliding plate 33 located in front of the mounting plate 31 is slidably connected to the detection table 1. The mounting plate 31 is located on the back of the fixing component 2, and an electric push rod 32 is fixedly mounted on the back of the mounting plate 31. The output end of the electric push rod 32 passes through the mounting plate 31 and is fixed to the sliding plate 33. A plurality of mounting brackets 34, evenly distributed, are fixedly connected to the front of the sliding plate 33. The ends of the plurality of mounting brackets 34 are... An exhaust pipe 35 and an intake pipe 36 are fixedly connected in sequence, and each exhaust pipe 35 and intake pipe 36 is spaced apart. A sealing plug 312 is fixedly connected to the outer surface of the end of the exhaust pipe 35 and the intake pipe 36 near the fixing member 2. A one-way valve 310 and a pressure gauge 311 are installed in sequence on the end of the intake pipe 36. The one-way valve 310 and the pressure gauge 311 are located behind the sealing plug 312. A pressure relief valve is installed on the end of the exhaust pipe 35 near the fixing member 2. The pressure relief valve is located behind the sealing plug 312.

[0024] In this embodiment, by utilizing the flexibility of the composite hose, multiple hoses are fixed in a U-shape by the fixing member 2. Then, the exhaust pipe 35 and air inlet pipe 36 on the mounting bracket 34 driven by the electric push rod 32 and the sealing plug 312 are used to seal the interface of the hose 6. Gas can then be pressurized to perform simultaneous air tightness testing on multiple hoses, thereby improving the testing efficiency of the hoses.

[0025] It should be noted that the testing platform 1 is equipped with a conveying assembly for conveying test gas to several air inlet pipes 36. The conveying assembly includes a support plate 37 slidably connected to one side of the testing platform 1, and an air pump 38 is fixedly installed on the support plate 37. The air outlet of the air pump 38 is connected to an air delivery pipe 39, which is connected to several air inlet pipes 36. The support plate 37 is fixed to the slide plate 33, and the side of the support plate 37 near the testing platform 1 is convex. The side of the testing platform 1 near the support plate 37 has a groove for sliding the convex end. The air pump 38, when activated, delivers compressed gas to the air delivery pipe 39, and then through the air delivery pipe 39, it is delivered to several air inlet pipes 36 to pressurize and test the pipe 6.

[0026] The mounting bracket 34 is L-shaped at the end away from the slide plate 33. The sealing plug 312 is a rubber plug and is conical. The conical sealing plug 312 is pushed into the pipe 6 interface to seal the pipe 6 interface.

[0027] In addition, a slide groove is provided on the surface of the testing table 1 for the slide plate 33 to slide, and a slider extending into the slide groove is fixedly connected to the bottom of the slide plate 33. The slider is slidably connected to the slide groove, and the slide groove limits the sliding of the slider, so that the activated electric push rod 32 can push the slide plate 33 to slide stably and horizontally on the testing table 1.

[0028] In an optional embodiment, the fastener 2 includes a placement plate 21 fixedly connected to the table surface of the testing table 1 and located in front of the sealing plug 312. A clamping plate 22 is slidably connected to the placement plate 21. A threaded rod 23 passing through the clamping plate 22 is rotatably connected to the middle of the upper surface of the placement plate 21. A guide rod 24 passing through the clamping plate 22 is fixedly connected to the upper surface of the placement plate 21.

[0029] In this embodiment, after rotating the threaded rod 23 to vertically raise the clamping plate 22, the bent pipe 6 can be placed on the placement plate 21, so that the pipe 6 is in a U-shape. Then, the threaded rod 23 can be rotated in the opposite direction to lower the clamping plate 22 to clamp and fix the joint of the pipe 6, so that the pipe 6 is fixed in a U-shape.

[0030] It should be noted that the clamping plate 22 has a threaded hole in the middle, and the threaded hole is compatible with the thread on the outside of the threaded rod 23, so that the rotating threaded rod 23 can drive the clamping plate 22 to reciprocate and adjust along the vertical and horizontal plane. Several equally spaced semi-circular fixing grooves are opened on the lower surface of the clamping plate 22 and the upper surface of the placement plate 21. The end of the pipe 6 is fixed between the placement plate 21 and the clamping plate 22 through the fixing grooves. The joint of the pipe 6 is clamped and fixed by the fixing grooves on the clamping plate 22 and the placement plate 21.

[0031] The working principle in the above embodiments is as follows: Utilizing the flexibility of the composite hose, after rotating the threaded rod 23 to vertically raise the clamping plate 22, the bent pipe 6 can be placed on the fixing groove of the placement plate 21, so that the pipe 6 is in a U-shape. Then, the threaded rod 23 can be rotated in the opposite direction to lower the clamping plate 22. The joint of the pipe 6 is clamped and fixed by the clamping plate 22 and the fixing groove on the placement plate 21, so that the pipe 6 is fixed in a U-shape. The mounting bracket 34 on the slide plate 33 can be moved towards the side closer to the placement plate 21 and clamp plate 22 by the electric push rod 32. After the sealing plugs 312 on the exhaust pipe 35 and the intake pipe 36 seal the interface of the pipe 6, the air pump 38 can be started to deliver compressed gas to the intake pipe 36 through the air supply pipe 39. Then, the gas is delivered into the pipe 6 from one end through the intake pipe 36 to pressurize the inside of the pipe 6. At the same time, the pressure relief valve on the exhaust pipe 35 can seal the gas and relieve the pressure in the pipe 6 to prevent the internal pressure of the pipe 6 from exceeding the set value. Then, by observing the pressure gauge 311, when the internal pressure of the pipe 6 is constant, the air pump 38 can be turned off. Then, wait for 10 to 20 minutes and observe the significant change in the value of the pressure gauge 311 corresponding to each pipe 6 to complete the air tightness test of multiple pipes 6. During the airtightness test, the liquid guide tank 4 on the front side of the test platform 1, together with the liquid storage tank 5 on the other side of the test platform 1, allows the operator to easily apply the soapy water in the liquid storage tank 5 to the surface of the pipe 6. Then, observe whether bubbles are generated on the surface of the pipe 6. If so, it is easy for the operator to quickly determine the leak point. If the air pressure remains constant and there is no significant change, and no bubbles are generated, it indicates that the airtightness of the pipe 6 is qualified.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A composite hose air tightness detection device, comprising a detection table (1), characterized in that: The testing station (1) is provided with a fixing member (2) for fixing the composite hose, and the pipe (6) to be tested is fixed on the fixing member (2). The testing station (1) is equipped with a testing component (3) for airtightness testing; The testing component (3) includes a mounting plate (31) fixedly connected to the surface of the testing table (1), and a sliding plate (33) located in front of the mounting plate (31) is slidably connected to the testing table (1). The mounting plate (31) is located on the back of the fixing component (2). An electric push rod (32) is fixedly installed on the back of the mounting plate (31), and the output end of the electric push rod (32) passes through the mounting plate (31) and is fixed to the sliding plate (33). A number of mounting brackets (34) are fixedly connected to the front of the sliding plate (33) and are evenly distributed. The ends of the mounting brackets (34) are sequentially fixedly connected to... The exhaust pipe (35) and the intake pipe (36) are connected, and each exhaust pipe (35) and the intake pipe (36) are arranged at intervals. The outer surface of the end of the exhaust pipe (35) and the intake pipe (36) near the fixing member (2) is fixedly connected with a sealing plug (312). A one-way valve (310) and a pressure gauge (311) are installed in sequence on the end of the intake pipe (36). The one-way valve (310) and the pressure gauge (311) are located behind the sealing plug (312). A pressure relief valve is installed at the end of the exhaust pipe (35) near the fixing member (2). The pressure relief valve is located behind the sealing plug (312). The testing station (1) is equipped with a delivery assembly that delivers testing gas to several air inlet pipes (36).

2. The composite hose air tightness detection device according to claim 1, wherein The mounting bracket (34) is L-shaped at the end away from the slide plate (33), and the sealing plug (312) is a rubber plug and is conical.

3. The device for detecting the air tightness of a composite hose according to claim 1, wherein The testing platform (1) has a groove for sliding the slide plate (33) and a slider extending into the groove is fixedly connected below the slide plate (33), and the slider is slidably connected to the groove.

4. The device for detecting the air tightness of a composite hose according to claim 1, wherein The conveying assembly includes a support plate (37) slidably connected to one side of the testing table (1), and an air pump (38) is fixedly installed on the support plate (37). The air outlet of the air pump (38) is connected to an air supply pipe (39), and the air supply pipe (39) is connected to several air inlets (36). The support plate (37) is fixed to the slide plate (33), and the side of the support plate (37) near the testing table (1) is convex. The side of the testing table (1) near the support plate (37) has a groove for sliding the convex end.

5. The device for testing the air tightness of a composite hose according to claim 1, wherein The fixing component (2) includes a placement plate (21) fixedly connected to the test table (1) and located in front of the sealing plug (312), and a clamping plate (22) is slidably connected on the placement plate (21). A threaded rod (23) penetrating the clamping plate (22) is rotatably connected to the middle of the upper surface of the placement plate (21), and a guide rod (24) penetrating the clamping plate (22) is fixedly connected to the upper surface of the placement plate (21).

6. The device for testing the air tightness of a composite hose according to claim 5, wherein The clamping plate (22) has a threaded hole in the middle, and the threaded hole is compatible with the thread on the outside of the threaded rod (23). The lower surface of the clamping plate (22) and the upper surface of the placement plate (21) are provided with several equally spaced semi-circular fixing grooves, and the end of the pipe (6) is fixed between the placement plate (21) and the clamping plate (22) through the fixing groove.

7. The device for testing the air tightness of a composite hose according to claim 1, wherein The front side of the testing platform (1) is fixedly equipped with a liquid guide tank (4), and the other side of the testing platform (1) is fixedly connected with a liquid storage tank (5), which contains soapy water.

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