Automobile rubber hose sealing performance detection device

Abstract

The utility model relates to the technical field of rubber hose sealing performance detection, solves the technical problem of inaccurate rubber hose sealing performance detection, and particularly relates to an automobile rubber hose sealing performance detection device which comprises a supporting seat serving as a supporting foundation, and an air tightness detection assembly used for detecting the air tightness of a hose is arranged above the supporting seat. The top end of the supporting seat is provided with a closed clamping assembly used for clamping an air tightness detection assembly, the air tightness detection assembly comprises an inflation air pump arranged above the supporting seat, and the air outlet end of the inflation air pump is connected with an air inlet connection pipe. Due to the arrangement of the airtightness detection assembly, hoses with different lengths can be in butt joint, the hoses are used as air flow transmission media, and the airtightness of the tested hoses is observed by continuously increasing the air pressure of the inflation air pump. And the air tightness of the hose is judged by observing whether the air pressure received by the air pressure sensor is the same as the air pressure output by the inflation air pump.

Description

Technical Field

[0001] This utility model relates to the technical field of rubber hose sealing performance testing, and in particular to a device for testing the sealing performance of automotive rubber hoses. Background Technology

[0002] Automotive hoses are mainly composed of rubber hoses, copper hoses, and aluminum hoses, which are responsible for transmitting oil, water, gas, and hydraulic fluids. Among them, rubber hoses are numerous and diverse, making them an important component of automobiles. Traditional inspection methods mainly rely on manual inspection, which often has a certain degree of error and uncertainty, and cannot guarantee the accurate sealing of the hoses. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model provides an automotive rubber hose sealing performance testing device, which solves the technical problem of inaccurate rubber hose sealing performance testing and achieves the goal of improving hose testing accuracy.

[0004] To solve the above technical problems, the present invention provides the following technical solution: a sealing performance testing device for automotive rubber hoses, comprising a support base as a support foundation, an airtightness testing component for testing the airtightness of the hose is provided above the support base, and a closed clamping component for clamping the airtightness testing component is provided at the top of the support base.

[0005] The airtightness testing component includes an air pump installed above the support base. The air pump's outlet end is connected to an air inlet connector. An air outlet connector is connected to the middle of the top of the support base. A test hose is connected between the air outlet connector and the air inlet connector. An air accumulator is installed inside the support base, and a pressure sensor is installed inside the air accumulator.

[0006] Preferably, the signal output terminal of the pressure sensor is connected to the signal input terminal of an external control terminal.

[0007] Preferably, the bottom end of the air outlet connecting pipe extends through the top of the support base to the inside of the air storage box.

[0008] Preferably, the enclosed clamping assembly includes a screw support frame fixedly connected to the top of the support base, a bidirectional screw rotatably connected to the inner side of the screw support frame, a clamping slide rail fixedly connected to the top of the support base, two slide rods slidably connected to both sides of the clamping slide rail, two clamping boxes slidably connected to the inner side of the clamping slide rail, two sides of the clamping box being fixedly connected to adjacent slide rods respectively, and a clamping threaded sleeve fixedly connected to the end of the clamping box near the bidirectional screw, the clamping threaded sleeve being helically connected to the bidirectional screw.

[0009] Preferably, the two clamping boxes are clamped at opposite ends on the outside of the air inlet connection pipe and the air outlet connection pipe, respectively.

[0010] Preferably, the top of the support base is fixedly connected to two symmetrical vertical slide rails, and the top of the vertical slide rails is equipped with a pressing cylinder via a bracket. The extension end of the pressing cylinder is connected to the top of the inflation pump, and the inflation pump is slidably connected to the inside of the vertical slide rails via a bracket.

[0011] By employing the above technical solution, this utility model provides a device for testing the sealing performance of automotive rubber hoses, which has at least the following beneficial effects:

[0012] 1. Due to the inclusion of an airtightness testing component, this utility model can connect hoses of different lengths and use the hoses as a medium for airflow transmission. By continuously increasing the air pressure of the inflation pump, the airtightness of the hoses can be observed and tested. During this process, the airtightness of the hoses can be determined by observing whether the air pressure received by the air pressure sensor is the same as the air pressure output by the inflation pump.

[0013] 2. Due to the design of the closed clamping component, this utility model can make the connection between the test hose and the air inlet and outlet connecting pipes more tight, thereby preventing airflow leakage through the connection and thus affecting the final test results. Attached Figure Description

[0014] The accompanying drawings, which are provided to further illustrate this application and form part of this application, illustrate exemplary embodiments of this application and are used to explain this application, but do not constitute an undue limitation of this application.

[0015] In the attached diagram:

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a schematic diagram of the air pump installation structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the installation structure of the air pressure sensor of this utility model.

[0019] In the diagram: 1. Support base; 2. Vertical slide rail; 3. Downward pressure cylinder; 4. Air tightness detection component; 41. Inflation pump; 42. Inlet connection pipe; 43. Outlet connection pipe; 44. Test hose; 45. Air accumulator; 46. Pressure sensor;

[0020] 5. Enclosed clamping assembly; 51. Screw support frame; 52. Bidirectional screw; 53. Clamping slide rail; 54. Slide rod; 55. Clamping box; 56. Clamping threaded sleeve. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example 1

[0023] Traditional testing methods rely primarily on manual inspection, which is often subject to error and uncertainty, making it impossible to guarantee the accurate sealing of the hose. Please refer to... Figures 1-3 This embodiment provides a device for testing the airtightness of automotive rubber hoses, solving the technical problem of inaccurate rubber hose airtightness testing. The device includes a support base 1 serving as a support foundation, an airtightness testing component 4 for testing hose airtightness is disposed above the support base 1, and a closed clamping component 5 for holding the airtightness testing component 4 is disposed at the top of the support base 1. The airtightness of the hose is tested by the airtightness testing component 4. The closed clamping component 5 improves the airtightness of the airtightness testing component 4.

[0024] Traditional hose testing methods typically rely on manual inspection, leading to inaccurate results. To address this issue, an airtightness testing component 4 is proposed. The airtightness testing component 4 includes an inflation pump 41 positioned above a support base 1. The air pump 41's outlet is connected to an inlet connector 42. An outlet connector 43 is connected to the center of the top of the support base 1. A test hose 44 connects the outlet connector 43 and the inlet connector 42. An air accumulator 45 is located inside the support base 1, and a pressure sensor 46 is installed inside the air accumulator 45. The signal output of the pressure sensor 46 is connected to the signal input of an external control terminal. The bottom end of the outlet connector 43 extends through the top of the support base 1 to the inside of the air accumulator 45.

[0025] Example 2

[0026] Based on Example 1, which solved the technical problem of inaccurate rubber hose sealing performance testing, Example 1 still has the problem of insufficient sealing at the connection between the hose and the testing equipment. Figures 1-3As shown, the specific implementation process is as follows: In order to improve the airtightness of the airtightness testing component 4 and ensure the test results, the closed clamping component 5 includes a screw support frame 51 fixedly connected to the top of the support base 1. A bidirectional screw 52 is rotatably connected to the inner side of the screw support frame 51. A clamping slide rail 53 is fixedly connected to the top of the support base 1. Two slide rods 54 are slidably connected to both sides of the inside of the clamping slide rail 53. Two clamping boxes 55 are slidably connected to the inner side of the clamping slide rail 53. The two sides of the clamping box 55 are fixedly connected to the adjacent slide rods 54 respectively. A clamping threaded sleeve 56 is fixedly connected to the end of the clamping box 55 near the bidirectional screw 52. The clamping threaded sleeve 56 is screwed to the bidirectional screw 52. The opposite ends of the two clamping boxes 55 are clamped to the outside of the air inlet connection pipe 42 and the air outlet connection pipe 43 respectively.

[0027] In order to adjust the position of the air outlet connection pipe 43 according to the height of the test hose 44, two symmetrical vertical slide rails 2 are fixedly connected to the top of the support base 1. The top of the vertical slide rail 2 is equipped with a pressure cylinder 3 via a bracket. The extension end of the pressure cylinder 3 is connected to the top of the inflation pump 41. The inflation pump 41 is slidably connected to the inside of the vertical slide rail 2 via a bracket.

[0028] It should be noted that, in this document, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0029] 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 device for testing the sealing performance of automotive rubber hoses, comprising a support base (1) as a supporting foundation, characterized in that: An airtightness testing component (4) for testing the airtightness of the hose is provided above the support base (1), and a closed clamping component (5) for clamping the airtightness testing component (4) is provided at the top of the support base (1). The airtightness testing component (4) includes an air pump (41) installed above the support base (1), an air inlet pipe (42) connected to the air outlet of the air pump (41), an air outlet pipe (43) connected to the middle of the top of the support base (1), a test hose (44) connected between the air outlet pipe (43) and the air inlet pipe (42), an air storage box (45) installed inside the support base (1), and a pressure sensor (46) installed inside the air storage box (45).

2. The automotive rubber hose sealing performance testing device according to claim 1, characterized in that: The signal output terminal of the pressure sensor (46) is connected to the signal input terminal of the external control terminal.

3. The automotive rubber hose sealing performance testing device according to claim 1, characterized in that: The bottom end of the air outlet connecting pipe (43) extends through the top end of the support base (1) to the inside of the air storage box (45).

4. The automotive rubber hose sealing performance testing device according to claim 1, characterized in that: The closed clamping assembly (5) includes a screw support frame (51) fixedly connected to the top of the support base (1). A bidirectional screw (52) is rotatably connected to the inner side of the screw support frame (51). A clamping slide rail (53) is fixedly connected to the top of the support base (1). Two slide rods (54) are slidably connected to both sides of the clamping slide rail (53). Two clamping boxes (55) are slidably connected to the inner side of the clamping slide rail (53). The two sides of the clamping box (55) are fixedly connected to the adjacent slide rods (54). A clamping threaded sleeve (56) is fixedly connected to one end of the clamping box (55) near the bidirectional screw (52). The clamping threaded sleeve (56) is helically connected to the bidirectional screw (52).

5. The automotive rubber hose sealing performance testing device according to claim 4, characterized in that: The two clamping boxes (55) are clamped at opposite ends on the outside of the air inlet connection pipe (42) and the air outlet connection pipe (43), respectively.

6. The automotive rubber hose sealing performance testing device according to claim 1, characterized in that: The top of the support base (1) is fixedly connected to two symmetrical vertical slide rails (2). The top of the vertical slide rails (2) is equipped with a pressure cylinder (3) through a bracket. The extension end of the pressure cylinder (3) is connected to the top of the inflation pump (41). The inflation pump (41) is slidably connected to the inside of the vertical slide rails (2) through a bracket.

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