A rubber part air tightness testing device

Abstract

The utility model relates to a rubber part air tightness test device, including a first mounting frame and a second mounting frame, the first mounting frame and the second mounting frame are both set as rectangular structures, the first mounting frame and the second mounting frame are both equidistantly threaded with screw rods, one end of the screw rods are both rotatably connected to limit tubes, the limit tubes are both slidably connected to the inner walls of the corresponding first mounting frame and the second mounting frame, the limit tubes are symmetrically fixedly connected to the outer sides of the screw rods, the slide rods are both extended to the outer sides of the corresponding first mounting frame and the second mounting frame and are slidably connected thereto, the inside of the limit tubes are both provided with partitions, the inside of the limit tubes are both symmetrically slidably connected with telescopic blocks, and the corresponding telescopic blocks are both connected to the corresponding partitions by springs. The utility model can be adjusted according to rubber parts of different shapes, has a wider range of applications, is easy to operate, and has high detection accuracy.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber testing devices, in particular to an air tightness testing device for rubber parts. Background Art

[0002] In modern industrial production, the air tightness of rubber parts is one of the important indicators to ensure their performance and service life. Air tightness testing is a key step to detect whether rubber parts have air leakage defects, especially in the fields of automobiles, aviation, construction, etc., which require extremely high air tightness of rubber seals. Therefore, it is of great significance to develop efficient and accurate air tightness testing devices.

[0003] However, the traditional air tightness test device has some shortcomings. First, the clamping and fixing mechanism is not flexible enough to adapt to rubber parts of different shapes and sizes, resulting in low test efficiency and limited scope of application. Second, when the traditional device detects different rubber parts, the air intake position needs to be adjusted accordingly to ensure the ideal air intake effect, which needs to be customized according to different rubber parts, increasing costs.

[0004] Based on this, those skilled in the art have proposed a rubber component air tightness testing device. Utility Model Content

[0005] In view of the above problems existing in the prior art, the main purpose of the utility model is to provide a rubber part air tightness testing device.

[0006] The technical solution of the utility model is as follows: a rubber part air tightness testing device comprises a first mounting frame and a second mounting frame, the first mounting frame and the second mounting frame are both arranged as rectangular structures, the first mounting frame and the second mounting frame are both equidistantly threadedly connected with screw rods, one end of the screw rods are rotatably connected to a limiting tube, the limiting tubes are both slidably connected to the inner walls of the corresponding first mounting frame and the second mounting frame, two sliding rods are symmetrically fixedly connected on the limiting tubes and located on the outside of the screw rods, the sliding rods extend to the outsides of the corresponding first mounting frame and the second mounting frame and are slidably connected thereto, partitions are arranged inside the limiting tubes, telescopic blocks are symmetrically slidably connected inside the limiting tubes, and springs are connected between the corresponding telescopic blocks and the corresponding partitions.

[0007] Through the above technical means, by rotating the screw rod, the rotation of the screw rod drives the limit tube to move, the coordination is achieved through the movement between multiple limit tubes, and the telescopic block is driven to move, so that the multiple telescopic blocks can be moved by the spring, thereby achieving an adjustment effect.

[0008] As a preferred embodiment, a first mold is placed inside the first mounting frame and between the corresponding four limiting tubes, and a second mold is placed inside the second mounting frame and between the corresponding four limiting tubes.

[0009] Through the above-mentioned technical means, the first mold and the second mold cooperate with each other and can be adjusted according to the different shapes of rubber parts. The first mold and the second mold are provided with holes, which are used for air intake and installation of air pressure sensors. It should be noted that the first mold and the second mold can be set to multiple shapes according to different rubber parts, and the positions of the holes thereon are also different, so they are not marked and shown in detail.

[0010] As a preferred embodiment, air inlet holes are equidistantly provided on the first mounting frame, and connecting pipes are fixedly connected to the outer side of the first mounting frame and the outer side of the corresponding air inlet holes, and one end of the connecting pipes is fixedly connected to a valve.

[0011] Through the above technical means, the air inlet holes cooperate with the holes on the mold to achieve air intake, and the valve can close the air inlet holes that are not needed, so that only the air inlet holes that are needed can be opened in the device.

[0012] As a preferred embodiment, the second mounting frame is provided with mounting holes at equal intervals, the mounting holes are configured as internal threaded holes, and the mounting holes are used to mount the air pressure sensor.

[0013] Through the above-mentioned technical means, the air pressure sensor can be installed in the mounting hole at the corresponding position, and multiple ones can be connected and set according to the shape of the seal. In this way, the air pressure of the seal as a whole can be monitored, and the air pressure changes on the air pressure sensor can be observed, thereby realizing the detection of seal leakage.

[0014] As a preferred implementation, the heights of the first mold and the second mold are both higher than the first mounting frame and the second mounting frame.

[0015] Through the above technical means, an effective connection between the first mold and the second mold can be ensured.

[0016] As a preferred implementation, an air intake pipe is fixedly connected to the outer side of the valve, and the air intake pipe is used to connect to an external air intake device.

[0017] Through the above technical means, it can be ensured that the air intake pipe has the purpose of air circulation.

[0018] Compared with the prior art, the advantages and positive effects of the utility model are:

[0019] Place the first mold and the second mold on the first mounting frame and the second mounting frame respectively, and drive the limit tube to move by rotating the screw rod. The movement of the limit tube realizes the coordination between multiple limit tubes, thereby fixing the mold. The limit tube drives the telescopic block to move during the movement, and uses the spring to adjust to ensure the clamping effect. Subsequently, the unneeded air inlet holes are closed by controlling the valve, and the air pressure sensor is installed in the corresponding position to achieve precise air intake control. After the air is taken in, the air pressure sensor monitors the air pressure changes of the seal in real time, thereby detecting the air leakage of the seal. This device can be adjusted according to rubber parts of different shapes, has a wider range of applications, is easy to operate, and has high detection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is an isometric view of the overall structure of the utility model.

[0021] Figure 2 It is an isometric view of the first mounting frame of the utility model.

[0022] Figure 3 It is an isometric view of the second mounting frame of the utility model.

[0023] Figure 4 It is an isometric view of the interior of the limit tube of the utility model.

[0024] Legend: 1. First mounting bracket; 2. Second mounting bracket; 3. Sliding rod; 4. Screw rod; 5. Limiting tube; 6. Spring; 7. Telescopic block; 8. First mold; 9. Air inlet hole; 10. Connecting pipe; 11. Valve; 12. Air inlet pipe; 13. Second mold; 14. Mounting hole. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments.

[0026] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0027] Example

[0028] like Figure 1-Figure 4As shown, the utility model provides a rubber part air tightness testing device: comprising a first mounting frame 1 and a second mounting frame 2, the first mounting frame 1 and the second mounting frame 2 are both arranged in a rectangular structure, the first mounting frame 1 and the second mounting frame 2 are both equidistantly threadedly connected with screw rods 4, one end of the screw rods 4 are both rotatably connected with limit tubes 5, the limit tubes 5 are both slidably connected with the inner walls of the corresponding first mounting frame 1 and the second mounting frame 2, the limit tubes 5 and the outer sides of the screw rods 4 are both symmetrically fixedly connected with two sliding rods 3, the sliding rods 3 are both extended to the outer sides of the corresponding first mounting frame 1 and the second mounting frame 2 and are slidably connected thereto, the interior of the limit tubes 5 is provided with partitions, the interior of the limit tubes 5 is symmetrically slidably connected with telescopic blocks 7, and the corresponding telescopic blocks 7 are connected with the corresponding partitions by springs 6;

[0029] In summary: by rotating the screw rod 4, the rotation of the screw rod 4 drives the limit tube 5 to move, and the coordination is achieved through the movement between multiple limit tubes 5, and the telescopic block 7 is driven to move, so that the multiple telescopic blocks 7 can be moved by the spring 6, thereby achieving an adjustment effect.

[0030] like Figure 1-Figure 4 As shown, a first mold 8 is placed inside the first mounting frame 1 and between the corresponding four position limiting tubes 5, and a second mold 13 is placed inside the second mounting frame 2 and between the corresponding four position limiting tubes 5;

[0031] In summary: the first mold 8 and the second mold 13 cooperate with each other and can be adjusted according to the different shapes of rubber parts. The first mold 8 and the second mold 13 are provided with holes, which are used for air intake and installation of air pressure sensors. It should be noted that the first mold 8 and the second mold 13 can be set to multiple shapes according to different rubber parts, and the positions of the holes thereon are also different, so they are not marked and shown in detail.

[0032] like Figure 1-Figure 4 As shown, the first mounting frame 1 is provided with air inlet holes 9 at equal intervals, and the outer side of the first mounting frame 1 and the outer side of the corresponding air inlet holes 9 are fixedly connected with connecting pipes 10, and one end of the connecting pipes 10 is fixedly connected with a valve 11;

[0033] In summary: the air inlet holes 9 cooperate with the holes on the mold to achieve air intake, and the valve 11 can close the air inlet holes 9 that are not needed, so that only the air inlet holes 9 that are needed can be opened in this device.

[0034] like Figure 1-Figure 4 As shown, the second mounting frame 2 is provided with mounting holes 14 at equal intervals, the mounting holes 14 are set as internal thread holes, and the mounting holes 14 are used to install the air pressure sensor;

[0035] In summary: the air pressure sensor can be installed in the mounting hole 14 at the corresponding position, and multiple ones can be connected and can be set according to the shape of the seal. In this way, the air pressure of the seal as a whole can be monitored, and the air pressure changes on the air pressure sensor can be observed to detect air leakage of the seal.

[0036] like Figure 1-Figure 4 As shown, the heights of the first mold 8 and the second mold 13 are both higher than the first mounting frame 1 and the second mounting frame 2;

[0037] In summary: by such an arrangement, an effective connection between the first mold 8 and the second mold 13 can be ensured.

[0038] like Figure 1-Figure 4 As shown, the outside of the valve 11 is fixedly connected with an air intake pipe 12, and the air intake pipe 12 is used to connect with external air intake equipment;

[0039] In summary: through such an arrangement, it can be ensured that the air intake pipe 12 has the purpose of air circulation.

[0040] Working principle:

[0041] First, place the first mold 8 and the second mold 13 on the first mounting frame 1 and the second mounting frame 2, then rotate the screw rod 4, and use the rotation of the screw rod 4 to drive the limiting tube 5 to move, and achieve coordination through the movement of multiple limiting tubes 5, so as to achieve the clamping and fixation of the first mold 8 and the second mold 13, and the limiting tube 5 will drive the telescopic block 7 to move during the movement, so that the multiple telescopic blocks 7 can be moved by the spring 6, so as to achieve the adjustment effect and ensure the clamping effect, and then control the valve 11 so that the valve 11 that is not needed is closed, and screw the pressure gauge into the corresponding mounting hole 14, and then inflate, so that the air pressure of the entire seal can be monitored, and the air pressure change on the air pressure sensor can be observed to realize the detection of air leakage of the seal.

[0042] The barometer is an existing mature technology and will not be described in detail in this embodiment.

[0043] Finally, it should be noted that the above-described embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A rubber component air tightness testing device, comprising a first mounting frame (1) and a second mounting frame (2), characterized in that: The first mounting frame (1) and the second mounting frame (2) are both arranged in a rectangular structure. The first mounting frame (1) and the second mounting frame (2) are both equidistantly threadedly connected with a screw rod (4). One end of the screw rod (4) is rotatably connected to a limit tube (5). The limit tube (5) is slidably connected to the inner wall of the corresponding first mounting frame (1) and the second mounting frame (2). Two sliding rods (3) are symmetrically fixedly connected to the limit tube (5) and located on the outer side of the screw rod (4). The sliding rods (3) extend to the outer side of the corresponding first mounting frame (1) and the second mounting frame (2) and are slidably connected thereto. A partition is arranged inside the limit tube (5). A telescopic block (7) is symmetrically slidably connected inside the limit tube (5). A spring (6) is connected between the corresponding telescopic block (7) and the corresponding partition.

2. The rubber part air tightness testing device according to claim 1, characterized in that: A first mold (8) is placed inside the first mounting frame (1) and between the corresponding four position limiting tubes (5), and a second mold (13) is placed inside the second mounting frame (2) and between the corresponding four position limiting tubes (5).

3. The rubber part air tightness testing device according to claim 1, characterized in that: The first mounting frame (1) is provided with air inlet holes (9) at equal intervals, and a connecting pipe (10) is fixedly connected to the outer side of the first mounting frame (1) and the outer side of the corresponding air inlet hole (9), and one end of the connecting pipe (10) is fixedly connected to a valve (11).

4. The rubber part air tightness testing device according to claim 1, characterized in that: The second mounting frame (2) is provided with mounting holes (14) at equal intervals, the mounting holes (14) are configured as internal threaded holes, and the mounting holes (14) are used to mount the air pressure sensor.

5. The rubber part air tightness testing device according to claim 2, characterized in that: The heights of the first mold (8) and the second mold (13) are both higher than the first mounting frame (1) and the second mounting frame (2).

6. The rubber part air tightness testing device according to claim 3, characterized in that: The outer side of the valve (11) is fixedly connected with an air intake pipe (12), and the air intake pipe (12) is used to be connected to an external air intake device.

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