Gas detection mechanism

Abstract

The utility model discloses a gas detection mechanism which comprises a fixed seat, the fixed seat is provided with a plurality of groups of detection assemblies used for detecting the gas tightness of a workpiece, and each detection assembly comprises an upper detection head, a lower detection head, a pressure maintaining detector, a pressure relief detector and a driving device used for driving the upper detection head and the lower detection head to tightly press the workpiece. The upper detection head is provided with a first gas detection hole, the lower detection head is provided with a second gas detection hole, the pressure maintaining detector and the second gas detection hole of the lower detection head are both communicated with the gas inlet pipeline, and the first gas detection hole of the upper detection head is communicated with the pressure relief detector through the test pipeline; through the multiple detection assemblies, airtightness detection can be carried out on multiple workpieces at the same time, and the detection efficiency is improved. The upper detection head and the lower detection head are matched with the corresponding pressure relief detector and the pressure maintaining detector to reliably detect the air tightness of the product, meanwhile, influence factors caused by unstable air pressure of the air pump can be avoided, and the detection accuracy is improved.

Description

Technical Field

[0001] The utility model specifically relates to a gas detection mechanism. Background Art

[0002] After the workpiece is produced, it is necessary to conduct an airtightness test on the workpiece to determine whether there are welding leaks or whether the bonding is tight. If the airtightness test of the workpiece does not meet the standards, the workpiece is judged to be unqualified.

[0003] However, the existing workpiece air tightness detection device still has certain defects when in use. Conventional detection devices are prone to misjudgment of air tightness tests, inaccurate data, low detection efficiency, and multiple groups of gas paths need to be manually detected. Therefore, it is necessary to propose a gas detection mechanism to address the shortcomings of the existing technology. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a gas detection mechanism which is simple in structure, convenient to use, highly efficient and accurate in detection.

[0005] In order to solve the above technical problems, the utility model solves the problems through the following technical solutions: a gas detection mechanism, including a fixed seat, the fixed seat is provided with a plurality of detection components for detecting the air tightness of the workpiece, the detection components include an upper detection head, a lower detection head, a pressure maintaining detector and a pressure relief detector, and a driving device for driving the upper detection head and the lower detection head to press the workpiece, the upper detection head is provided with a first gas detection hole, the lower detection head is provided with a second gas detection hole, the pressure maintaining detector and the second gas detection hole of the lower detection head are both connected with the air intake pipe, and the first gas detection hole of the upper detection head is connected with the pressure relief detector through a test pipe.

[0006] Preferably, the fixing seat is provided with two groups of detection components, and the two detection components are arranged on both sides of the fixing seat; the advantage is that the two groups of detection components can simultaneously perform airtightness detection on two workpieces, thereby improving work efficiency.

[0007] Preferably, the driving device includes an upper driver and a lower driver, the telescopic shaft of the upper driver is fixed to the upper detection head for driving the upper detection head to rise and fall vertically, the telescopic shaft of the lower driver is fixed to the lower detection head for driving the lower detection head to rise and fall vertically, and the upper detection head and the lower detection head are vertically coaxially arranged; the advantage is that the workpiece can be clamped quickly and accurately by the arranged upper driver and lower driver to realize rapid detection, and the coaxially arranged upper detection head and lower detection head can ensure the smooth pressing of the workpiece and prevent the force applied by the driving device from being offset.

[0008] Furthermore, the fixed seat is provided with a mounting plate, the upper driver is vertically fixed on the mounting plate, the lower driver is assembled on the fixed plate, the fixed plate is provided with a vertical slide rail, the upper detection head is fixed with a sliding seat, and the sliding seat is provided with a slider matching the slide rail; the advantage is that the stability of the installation of the upper driver can be guaranteed by the setting of the mounting plate, and at the same time, the cooperation between the slide rail and the slider set on the fixed plate can ensure the vertical stability of the lower detection head driven by the lower driver.

[0009] Furthermore, the pressure maintaining detector and the pressure relief detector are both barometers, and the pressure maintaining detector and the pressure relief detector are evenly fixed to the fixing seat, and the mounting plate is provided with a first waist hole and a second pressure hole, and the test pipe and the air intake pipe are respectively movable through the corresponding first waist hole and the second waist hole; the advantage is that the set first waist hole and the second waist hole can avoid the corresponding test pipe, the air intake pipe and the mounting plate from interfering when the upper detection head and the lower detection head move, thereby reducing wear, and the pressure maintaining detector and the pressure relief detector are both fixed to the fixing seat, and are arranged on both sides of the mounting plate together with the lower detection head and the upper detection head, which can effectively improve the convenience of observation for the operator and avoid the influence of the workpiece on the observation line.

[0010] Furthermore, the air intake pipe is provided with a quick connector, and the quick connector is fixed to the mounting seat; the advantage is that the mounting seat can ensure the stability of the quick connector, the quick connector can ensure quick connection with the air pump, and is easy to maintain and replace.

[0011] Furthermore, the upper detection head is provided with an upper air nozzle, and the lower detection head is provided with a lower air nozzle, and both the upper air nozzle and the lower air nozzle are provided with sealing rings; the advantage is that the upper air nozzle and the lower air nozzle can facilitate the installation of the sealing ring, and the sealing ring can ensure the air tightness between the upper detection head, the lower detection head and the workpiece, and can also play a buffering role to avoid crushing the workpiece.

[0012] Compared with the prior art, the utility model has the following beneficial effects: multiple groups of detection components can be used to simultaneously detect the air tightness of multiple workpieces, thereby improving the detection efficiency. The upper detection head and the lower detection head can be used in conjunction with the corresponding pressure relief detector and the pressure maintenance detector to reliably detect the air tightness of the product, while avoiding the influence of the unstable air pressure of the air pump and improving the detection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0014] Figure 1 This is one of the overall structural diagrams of the utility model;

[0015] Figure 2 This is the second schematic diagram of the overall structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the cooperation between the upper detection head and the upper driver of the utility model;

[0017] Figure 4 It is a schematic diagram of the cooperation between the lower detection head and the lower driver of the utility model. DETAILED DESCRIPTION

[0018] The utility model is described in further detail below in conjunction with the accompanying drawings.

[0019] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations. The basic principles of the utility model defined in the following description can be used for other implementation schemes, variations, improvements, equivalent schemes, and other technical solutions that do not deviate from the spirit and scope of the utility model.

[0020] Those skilled in the art should understand that, in the disclosure of the present invention, the directions or positions indicated by the terms "longitudinal", "lateral", "up", "down", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. are based on the directions or positional relationships shown in the accompanying drawings, which are only simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or component referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the above terms should not be understood as limitations on the present invention.

[0021] As attached Figure 1-4 A gas detection mechanism shown includes a fixed base 1, which is provided with multiple groups of detection components 2 for detecting the air tightness of the workpiece. The detection component 2 includes an upper detection head 2.1, a lower detection head 2.2, a pressure maintaining detector 2.3 and a pressure relief detector 2.4, and a driving device 2.6 for driving the upper detection head 2.1 and the lower detection head 2.2 to press the workpiece. The upper detection head 2.1 is provided with a first gas detection hole 2.11, and the lower detection head 2.2 is provided with a second gas detection hole 2.21. The pressure maintaining detector 2.3 and the second gas detection hole 2.21 of the lower detection head 2.2 are both connected to the air intake pipe 3, and the first gas detection hole 2.11 of the upper detection head 2.1 is connected to the pressure relief detector 2.4 through the test pipe 4.

[0022] Take the example of a fixed seat 1 provided with two groups of detection components 2: the driving device 2.6 includes an upper driver 2.61 and a lower driver 2.62, the telescopic shaft of the upper driver 2.61 is fixed to the upper detection head 2.1 for driving the upper detection head 2.1 to vertically rise and fall, the telescopic shaft of the lower driver 2.62 is fixed to the lower detection head 2.2 for driving the lower detection head 2.2 to vertically rise and fall, the upper detection head 2.1 and the lower detection head 2.2 are vertically coaxially arranged, the upper driver 2.61 and the lower driver 2.62 can clamp the workpiece quickly and accurately to realize rapid detection, and the coaxially arranged upper detection head 2.1 and the lower detection head 2.2 can ensure the stability of the pressure on the workpiece and prevent the force applied by the driving device 2.6 from being offset. The above-mentioned fixed seat 1 is provided with a mounting plate 1.1, an upper driver 2.61 is vertically fixed on the mounting plate 1.1, a lower driver 2.62 is assembled on a fixed plate 2.7, the fixed plate 2.7 is provided with a vertical slide rail 2.71, the upper detection head 2.1 is fixed with a sliding seat 2.8, the sliding seat 2.8 is provided with a slider 2.81 matched with the slide rail 2.71, and the cooperation between the slide rail 2.71 and the slider 2.81 set on the fixed plate 2.7 can ensure the vertical stability of the lower driver 2.62 driving the lower detection head 2.2.

[0023] The pressure-maintaining detector 2.3 and the pressure-relief detector 2.4 of the utility model are both barometers. The pressure-maintaining detector 2.3 and the pressure-relief detector 2.4 are evenly fixed to the fixing seat 1. The mounting plate 1.1 is provided with a first waist hole 1.2 and a second pressure hole. The test pipe 4 and the air intake pipe are respectively movable through the corresponding first waist hole 1.2 and the second waist hole 1.3. The first waist hole 1.2 and the second waist hole 1.3 can prevent the corresponding test pipe, the air intake pipe and the mounting plate 1.1 from interfering when the upper detection head 2.1 and the lower detection head 2.2 move, thereby reducing wear. The pressure-maintaining detector 2.3 and the pressure-relief detector 2.4 are both fixed to the fixing seat 1, and are arranged on both sides of the mounting plate 1.1 together with the lower detection head 2.2 and the upper detection head 2.1, which can effectively improve the convenience of the operator's observation and avoid the influence of the workpiece on the observation line.

[0024] The air intake pipe of the utility model is provided with a quick connector 5, which is fixed to a mounting seat 6. The mounting seat 6 can ensure the stability of the quick connector 5. The quick connector 5 can ensure quick connection with the air pump and is easy to maintain and replace.

[0025] It is worth noting that the upper detection head 2.1 of the utility model is provided with an upper air nozzle 2.12, and the lower detection head 2.2 is provided with a lower air nozzle 2.22, and both the upper air nozzle 2.12 and the lower air nozzle 2.22 are sleeved with a sealing ring 2.5. The upper air nozzle 2.12 and the lower air nozzle 2.22 can facilitate the sleeve of the sealing ring 2.5, and the sealing ring 2.5 can ensure the air tightness between the upper detection head 2.1, the lower detection head 2.2 and the workpiece, and can also play a buffering role to avoid crushing the workpiece.

[0026] Those skilled in the art should understand that the embodiments of the present invention described above and shown in the accompanying drawings are only examples and do not limit the present invention. The purpose of the present invention has been fully and effectively achieved. The functions and structural principles of the present invention have been demonstrated and explained in the embodiments. Without departing from the principles, the embodiments of the present invention may be deformed or modified in any way.

Claims

1. A gas detection mechanism, characterized in that: It includes a fixed seat, which is provided with multiple groups of detection components for detecting the air tightness of the workpiece. The detection components include an upper detection head, a lower detection head, a pressure maintaining detector and a pressure relief detector, and a driving device for driving the upper detection head and the lower detection head to press the workpiece. The upper detection head is provided with a first air detection hole, and the lower detection head is provided with a second air detection hole. The pressure maintaining detector and the second air detection hole of the lower detection head are both connected to the air intake pipe, and the first air detection hole of the upper detection head is connected to the pressure relief detector through a test pipe.

2. A gas detection mechanism according to claim 1, characterized in that: The fixing seat is provided with two groups of detection components, and the two detection components are arranged on both sides of the fixing seat.

3. A gas detection mechanism according to claim 1, characterized in that: The driving device includes an upper driver and a lower driver. The telescopic shaft of the upper driver is fixed to the upper detection head for driving the upper detection head to rise and fall vertically. The telescopic shaft of the lower driver is fixed to the lower detection head for driving the lower detection head to rise and fall vertically. The upper detection head and the lower detection head are vertically coaxially arranged.

4. A gas detection mechanism according to claim 3, characterized in that: The fixed seat is provided with a mounting plate, the upper driver is vertically fixed on the mounting plate, the lower driver is assembled on the fixed plate, the fixed plate is provided with a vertical slide rail, the upper detection head is fixed with a sliding seat, and the sliding seat is provided with a slider matching the slide rail.

5. A gas detection mechanism according to claim 4, characterized in that: The pressure maintaining detector and the pressure relief detector are both barometers, and the pressure maintaining detector and the pressure relief detector are evenly fixed to the fixing seat. The mounting plate is provided with a first waist hole and a second pressure hole, and the test pipe and the air intake pipe are movable through the corresponding first waist hole and second waist hole respectively.

6. A gas detection mechanism according to claim 5, characterized in that: The air intake pipe is provided with a quick connector, and the quick connector is fixed to the mounting seat.

7. A gas detection mechanism according to claim 1, characterized in that: The upper detection head is provided with an upper air nozzle, and the lower detection head is provided with a lower air nozzle. Both the upper air nozzle and the lower air nozzle are sleeved with sealing rings.

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