Bidirectional air tightness detection device for water tank

Abstract

The utility model relates to the technical field of air tightness detection, and discloses a water tank bidirectional air tightness detection device, which comprises a rack, a first detection assembly and a second detection assembly, and is characterized in that the first detection assembly is provided with a first detection interface, and the first detection interface is connected with the lower end of a to-be-detected area of a detection workpiece; the second detection assembly is provided with a second detection interface, and the first detection interface is connected with the upper end of the to-be-detected area; the to-be-detected area is inflated through the first detection assembly and / or the second detection assembly for air tightness detection. According to the utility model, the first detection assembly and / or the second detection assembly are / is used to carry out bidirectional air tightness detection on the exhaust hole or the overflow hole of the water tank, the detection efficiency is high, and false detection or missing detection due to manual detection is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to airtightness detection technical field, specifically related to a water tank two -way airtightness detection device. BACKGROUND

[0002] Cleaning equipment such as sweeper, mop, scrubber, etc. usually set water tank assembly to store or collect water liquid in the cleaning process. In order to ensure the use reliability of water tank assembly, it is necessary to ensure that it will not produce liquid leakage in the use process, and will not pollute and damage the cleaning equipment. In the existing water tank airtightness detection, only the airtightness of the water tank inside can be detected. In the current water tank design requirements, the exhaust hole or overflow hole of the water tank needs to be one-way communicated by a sealing element; the prior art can only detect the airtightness of the exhaust hole or overflow hole of the water tank by manual operation, and the detection efficiency is low, and it is easy to miss or miss detection, so that the inferior products flow into the market, and the user brings bad experience. UTILITY MODEL CONTENTS

[0003] In order to solve the problems of the prior art, the utility model provides a water tank two -way airtightness detection device, which solves the problems of the prior art that can only detect the airtightness of the exhaust hole or overflow hole of the water tank by manual operation, low detection efficiency, and easy to miss or miss detection, so that the inferior products flow into the market, and the user brings bad experience.

[0004] The technical effects achieved by the utility model are realized by the following aspects:

[0005] In a first aspect, the utility model provides a water tank two -way airtightness detection device, which comprises:

[0006] A rack is provided with a detection table, and the detection table is provided with a detection tool for placing a workpiece to be detected;

[0007] A lifting assembly is arranged on the detection table and above the detection tool;

[0008] A first detection assembly is arranged on the detection table and inside the detection tool, and the first detection assembly is provided with a first detection interface connected with the lower end of the detection area to be detected of the detection workpiece;

[0009] And a second detection assembly is arranged on the lifting assembly and above the detection tool, and the second detection assembly is provided with a second detection interface, and the first detection interface is connected with the upper end of the detection area;

[0010] Wherein, the detection area is inflated for airtightness detection by the first detection assembly and / or the second detection assembly.

[0011] In some implementations, the detection tool upper surface is provided with a mounting groove for placing the workpiece to be detected, and the detection tool is further provided with a detection through groove in communication with the mounting groove; the first detection assembly is inside the detection through groove, and the first detection interface extends over the mounting groove.

[0012] In some implementations, the first detection assembly further includes a first detection base, and the first detection interface is connected to the first detection base; the first detection base is further provided with a first air inlet pipe in communication with the first detection interface.

[0013] In some implementations, the first detection interface upper end is provided with a first detection groove, and a first air path in communication with the first air inlet pipe is arranged inside the first detection groove; the first detection groove and the to-be-detected area enclose a first detection area, and after the air inlet pipe is ventilated, air tightness detection is performed by an air pressure sensor arranged in the first detection groove.

[0014] In some implementations, the mounting groove is provided with at least one avoidance groove matched with the workpiece to be detected.

[0015] In some implementations, the second detection assembly further includes a lifting assembly, and the lifting assembly includes a sliding rod, a first mounting plate, a second mounting plate, and a lifting cylinder; the sliding rod lower end is fixedly arranged on the detection table, and the first mounting plate is fixed to the sliding rod upper end; the second mounting plate is provided with a sliding seat sleeved on the sliding rod; the lifting cylinder is arranged on the first mounting plate, and the lifting cylinder driving end is connected to the second mounting plate driving connection; and the second detection interface is arranged at the second mounting plate lower end.

[0016] In some implementations, the lifting assembly further includes a pressing plate for abutting against the workpiece upper end, and the pressing plate is connected to the second mounting plate lower end; and the pressing plate is provided with an avoidance groove, and the first detection interface passes through the avoidance groove to detect the to-be-detected area.

[0017] In some implementations, the second detection assembly further includes a second detection base, and the second detection interface is connected to the second detection base; the second detection base is further provided with a second air inlet pipe in communication with the second detection interface.

[0018] In some implementations, the second detection interface upper end is provided with a second detection groove, and a second air path in communication with the second air inlet pipe is arranged inside the second detection groove; the second detection groove and the to-be-detected area enclose a second detection area, and after the air inlet pipe is ventilated, air tightness detection is performed by an air pressure sensor arranged in the second detection groove.

[0019] In some implementations, the detection tool is provided with at least one positioning hole, and the second mounting plate is provided with a positioning column capable of abutting the positioning hole.

[0020] In summary, the water tank bidirectional air tightness detection device has at least the following advantages: the water tank bidirectional air tightness detection device provided by the utility model, the device includes a rack, a first detection assembly and a second detection assembly, the first detection assembly is provided with a first detection interface, and the first detection interface is connected with the lower end of a to-be-detected area of a detection workpiece; the second detection assembly is provided with a second detection interface, and the first detection interface is connected with the upper end of the to-be-detected area; the to-be-detected area is inflated for air tightness detection through the first detection assembly and / or the second detection assembly. The utility model detects the exhaust hole or the overflow hole of the water tank through the first detection assembly and / or the second detection assembly, so that the detection efficiency is high, and the false detection or the missed detection caused by manual detection is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a three-dimensional schematic view of the water tank bidirectional air tightness detection device of the utility model embodiment.

[0022] Figure 2 It is an exploded schematic view of the lifting assembly and the detection tool of the utility model embodiment.

[0023] Figure 3 It is a three-dimensional view of the lifting assembly of the utility model embodiment. Figure 2 It is an enlarged schematic view of the mark A.

[0024] Figure 4 It is a three-dimensional view of the lifting assembly of the utility model embodiment.

[0025] Figure 5 It is an exploded view of the detection tool, the first detection assembly and the second detection assembly of the utility model embodiment.

[0026] Figure 6 It is a top view schematic view of the to-be-detected workpiece of the utility model embodiment.

[0027] Markings in the figure:

[0028] 1, rack; 11, detection table; 12, detection tool; 121, mounting groove; 122, detection through groove; 123, detection through groove; 124, positioning hole;

[0029] 2, lifting assembly; 21, sliding rod; 22, first mounting plate; 23, second mounting plate; 24, lifting cylinder; 25, pressing plate; 26, positioning column;

[0030] 3、first detection assembly;31、first detection base;32、first detection interface;33、first air pipe;321、first detection groove;322、first air path;

[0031] 4、second detection assembly;41、second detection base;42、second detection interface;43、second air pipe;

[0032] 5、workpiece to be detected, 51、area to be detected;52、seal;53、seal hole;54、connecting hole. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. The described embodiments are part of the embodiments of the present application, rather than all the embodiments of the present application.

[0034] Therefore, the detailed description of the embodiments of the present application provided below in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present application.

[0035] Example 1:

[0036] Please refer to the drawings Figures 1-6 The present application provides a kind of water tank bidirectional air tightness detection device's first embodiment, the device includes rack 1, lifting assembly 2, first detection assembly 3 and second detection assembly 4, water tank bidirectional air tightness detection device is used to detect the exhaust hole or overflow hole of water tank with seal 52. First detection assembly 3 can be detected from the lower end of area to be detected 51 area to be detected 51, second detection assembly 4 can be detected from the upper end of area to be detected 51 area to be detected 51, to realize the exhaust hole or overflow hole of water tank bidirectional detection. Specifically,

[0037] Rack 1 is provided with detection table 11, detection tool 12 for placing workpiece to be detected 5 is arranged on detection table 11;Rack 1 fixes workpiece to be detected 5 by detection tool 12, and first detection assembly 3, second detection assembly 4 are fixed by rack 1 as a whole, so that first detection assembly 3 and second detection assembly 4 detect workpiece to be detected 5.

[0038] Lifting assembly 2 is arranged in the detection table 11 and located above the detection tool 12;Lifting assembly 2 is used to fix second detection assembly 4 and pressurize and fix workpiece to be detected 5 arranged in detection tool 12.

[0039] The first detection assembly 3 is arranged on the detection table 11 and located inside the detection tool 12. The first detection assembly 3 is provided with a first detection interface 32 connected to the lower end of the to-be-detected area 51 of the detection workpiece. The upper end of the first detection interface 32 is provided with a first detection groove 321. The first detection groove 321 is internally provided with a first gas path 322 in communication with the first air inlet pipe. The first detection groove 321 and the to-be-detected area 51 form a first detection area. After the air inlet pipe is ventilated, the air tightness is detected by the air pressure sensor arranged in the first detection groove 321.

[0040] The second detection assembly 4 is arranged on the upper end of the rack 1 and located above the detection tool 12. The second detection assembly 4 is provided with a second detection interface 42 connected to the upper end of the to-be-detected area 51. The upper end of the second detection interface 42 is provided with a second detection groove. The second detection groove is internally provided with a second gas path in communication with the second air inlet pipe. The second detection groove and the to-be-detected area 51 form a second detection area. After the air inlet pipe is ventilated, the air tightness is detected by the air pressure sensor arranged in the second detection groove.

[0041] The to-be-detected area 51 is inflated by the first detection assembly 3 and / or the second detection assembly 4 for air tightness detection.

[0042] In one specific example, referring to Figure 6 The to-be-detected workpiece 5 is a to-be-detected water tank top cover. The to-be-detected workpiece 5 is provided with a drain hole or an overflow hole. The to-be-detected area 51 is an area covering the drain hole or the overflow hole. The seal 52 is arranged on the drain hole or the overflow hole. The lower end of the to-be-detected area 51 is the inside of the water tank, and the upper end of the to-be-detected area 51 is the outside of the water tank. The seal 52 can make the water tank top cover one-way conductive. More specifically, the drain hole or the overflow hole is a through hole on the water tank top cover, and the number of through holes is at least multiple. One of the through holes is located in the middle of the sealing hole 53 for fixing the seal 52. The other through holes are located on the side of the sealing hole 53 and are used for connecting the inside and outside of the top cover as the connecting hole 54. The seal 52 has a umbrella head and a umbrella handle. The umbrella handle is sealed and fixed in the sealing hole 53. The umbrella head is pasted or clamped and fixed on the upper end of the sealing hole 53 and the connecting hole 54. The to-be-detected area can also be the drain hole or the overflow hole area.

[0043] When the first detection assembly 3 inflates from the lower end of the to-be-detected area 51 for detection, the gas can lift the edge of the umbrella head of the seal 52 by passing through the connecting hole 54, thereby generating a gap to make the gas flow. The air pressure change can be detected by the air pressure sensor, thereby detecting the air guiding ability of the lower end of the to-be-detected area 51. When the second detection assembly 4 inflates from the upper end of the to-be-detected area 51 for detection, the gas cannot pass through the connecting hole 54 to the umbrella head of the seal 52, resulting in an increase in the air pressure of the second detection area. The air pressure change can be detected by the air pressure sensor, thereby detecting the air guiding ability of the upper end of the to-be-detected area 51.

[0044] In some embodiments, the upper surface of the detection tool 12 is provided with a mounting groove 121 for placing the workpiece 5 to be detected, and the detection tool 12 is further provided with a detection through groove 123122 which is in communication with the mounting groove 121; the first detection assembly 3 is inside the detection through groove 123122 and the first detection interface 32 is extended and arranged on the mounting groove 121. In this embodiment, the workpiece 5 to be detected is arranged and fixed in the mounting groove 121, the first detection assembly 3 is arranged in the detection through groove 123122, and when the detection through groove 123122 is in communication with the mounting groove 121, the first detection assembly 3 extends into the detection area 51 of the workpiece 5 to be detected for detection. In addition, the mounting groove 121 is provided with at least one avoidance groove matched with the workpiece 5 to be detected to adapt to the structure of the workpiece 5 to be detected.

[0045] In some implementations, referring to Figure 4 , the lifting assembly 2 includes a sliding rod 21, a first mounting plate 22, a second mounting plate 23, and a lifting cylinder 24, the lower end of the sliding rod 21 is fixedly arranged on the detection table 11, the first mounting plate 22 is fixed on the upper end of the sliding rod 21; the second mounting plate 23 is provided with a sliding seat sleeved on the sliding rod 21; the lifting cylinder 24 is arranged on the first mounting plate 22, and the driving end of the lifting cylinder 24 is connected and driven with the second mounting plate 23; the second detection interface 42 is arranged on the lower end of the second mounting plate 23. In this embodiment, the first detection assembly 3 can be lifted by the lifting assembly 2. In this embodiment, the second detection assembly 4 is fixed on the second mounting plate 23, when the workpiece 5 to be detected is transferred to the detection tool 12, the second mounting plate 23 is lifted under the action of the lifting cylinder 24, and the workpiece 5 to be detected can be transferred horizontally into the mounting groove 121. And after the workpiece to be detected is placed, the second mounting plate 23 is driven to move downward by the lifting cylinder 24 so that the second detection assembly 4 is lowered to the detection area 51 of the workpiece 5 to be detected for detection.

[0046] In some implementations, referring to Figure 4 , the lifting assembly 2 further includes a pressing plate 25 for abutting against the upper end of the workpiece 5 to be detected, the pressing plate 25 is connected and arranged on the lower end of the second mounting plate 23, and the pressing plate 25 is provided with an avoidance groove, the first detection interface 32 passes through the avoidance groove to detect the detection area 51. In this embodiment, the workpiece 5 to be detected can also be fixed flat by the pressing plate 25, so that the first detection assembly 3 and the second detection assembly 4 form different airtight detection spaces with the detection area 51 respectively for air tightness detection.

[0047] The water tank bidirectional air tightness detection device provided by the utility model, the device includes frame 1, first detection assembly 3 and second detection assembly 4, the first detection assembly 3 is provided with first detection interface 32, and the first detection interface 32 is connected with the lower end of the to-be-detected area 51 of the detection workpiece; the second detection assembly 4 is provided with second detection interface 42, and the first detection interface 32 is connected with the upper end of the to-be-detected area 51; the to-be-detected area 51 is inflated to carry out air tightness detection through the first detection assembly 3 and / or the second detection assembly 4. The utility model carries out bidirectional air tightness detection on the water tank exhaust hole or overflow hole through the first detection assembly 3 and / or the second detection assembly 4, the detection efficiency is high, and the wrong detection or the missed detection due to manual detection is avoided.

[0048] Embodiment 2

[0049] Based on embodiment 1, the utility model provides a second embodiment of a water tank bidirectional air tightness detection device, and the device includes frame 1, lifting assembly 2, first detection assembly 3 and second detection assembly 4. The utility model specifically describes the first detection assembly 3.

[0050] In some implementations, referring to Figure 3 、 Figure 5 , the first detection assembly 3 further includes first detection base 31, and the first detection interface 32 is connected on the first detection base 31; the first detection base 31 is further provided with a first air inlet pipe, and the first air inlet pipe is in communication with the first detection interface 32. The upper end of the first detection interface 32 is provided with a first detection groove 321, and the first detection groove 321 is internally provided with a first air path 322 in communication with the first air inlet pipe; the first detection groove 321 and the to-be-detected area 51 enclose a first detection area, and after the air inlet pipe is ventilated, the air tightness detection is carried out through the air pressure sensor arranged in the first detection groove 321. In the embodiment, when the to-be-detected workpiece 5 is placed in the mounting groove 121, the first detection interface 32 of the first detection assembly 3 abuts on the to-be-detected workpiece 5, and the first detection groove 321 and the to-be-detected area 51 enclose a first detection area. In addition, a sealing silica gel part can be further arranged at the upper end of the first detection interface 32, so that a sealed space is formed in the first detection area. The first detection interface 32 can be in communication with an external air source through the first air inlet pipe, and after the external air source switch is opened, the to-be-detected area 51 is inflated, the umbrella head edge of the sealing part 52 is lifted up through the connecting hole 54, so that a gap is generated to make the gas flow, and the air pressure change can be detected through the air pressure sensor, so that the air guiding capacity of the lower end of the to-be-detected area 51 is detected.

[0051] Embodiment 3

[0052] Based on the first or second embodiment, the third embodiment of the water tank bidirectional air tightness detection device is provided, which comprises a rack 1, a lifting assembly 2, a first detection assembly 3 and a second detection assembly 4. The third embodiment specifically describes the second detection assembly 4.

[0053] In some implementations, referring to Figure 3 、 Figure 5 The second detection assembly 4 further comprises a second detection base 41, and the second detection interface 42 is connected to the second detection base 41. The second detection base 41 is further provided with a second air inlet pipe, and the first air inlet pipe is in communication with the second detection interface 42. The upper end of the second detection interface 42 is provided with a second detection groove, and the second detection groove is internally provided with a second air path in communication with the second air inlet pipe. The second detection groove and the to-be-detected area 51 form a second detection area, and the air tightness detection is performed by the air pressure sensor arranged in the second detection groove after the air inlet pipe is ventilated. In this embodiment, the structure and function of the second detection assembly 4 are similar to those of the first detection assembly 3, and the first embodiment can be referred to. Figure 3 、 Figure 5 When the to-be-detected workpiece 5 is placed in the mounting groove 121, the second detection interface 42 of the second detection assembly 4 abuts against the to-be-detected workpiece 5, and the second detection groove and the to-be-detected area 51 form a second detection area. In addition, a sealing silica gel member can be arranged at the upper end of the second detection interface 42, so as to form a sealed space in the second detection area. The second detection interface 42 can be in communication with an external air source through the second air inlet pipe, and after the external air source switch is opened, the to-be-detected area 51 is inflated. The gas cannot pass through the connecting hole 54 to the umbrella head part of the sealing member 52, so that the air pressure in the second detection area is increased, and the air pressure change can be detected through the air pressure sensor, so as to detect the air guiding capability of the upper end of the to-be-detected area 51.

[0054] In some implementations, at least one positioning hole 124 is arranged on the side of the detection tool 12, and the second mounting plate 23 is provided with a positioning column 26 which can abut against the positioning hole 124. In this embodiment, through the matching of the positioning hole 124 and the positioning column 26, the pressing plate 25 can be flatly abutted against the upper end of the to-be-detected workpiece 5, so as to ensure that the to-be-detected workpiece 5 forms a sealed space with the first detection assembly 3 and the second detection assembly 4, and the accuracy of the air tightness detection result is ensured.

[0055] In summary, the water tank bidirectional air tightness detection device provided by the utility model, the device includes frame 1, first detection component 3 and second detection component 4, first detection component 3 is provided with first detection interface 32, and the first detection interface 32 is connected with the lower end of the to-be-tested area 51 of the detection workpiece, the second detection component 4 is provided with second detection interface 42, and the first detection interface 32 is connected with the upper end of the to-be-tested area 51, and the to-be-tested area 51 is inflated by first detection component 3 and / or second detection component 4 to carry out air tightness detection.The utility model carries out bidirectional air tightness detection to the water tank exhaust hole or overflow hole through first detection component 3 and / or second detection component 4, and the detection efficiency is high, and the wrong detection or the missed detection due to manual detection is avoided.

[0056] In the utility model, unless another explicit provision and limitation, the terms "mount", "connect", "fix", and the terms such as "connect" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrated;Can be mechanical connection, also can be electrical connection;It can be directly connected, also can be indirectly connected through intermediate medium, can be the communication of two elements or the interaction of two elements.For ordinary skilled in the art, the above-mentioned terms can be understood according to the specific meaning of the utility model.

[0057] In the description of the utility model, it is necessary to explain that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" is based on the orientation or position relationship shown in the drawing, or the orientation or position relationship of the utility model product when using, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, it can not be understood as the limitation of the utility model.In addition, the terms "first", "second", "third" are only used for distinguishing description, and can not be understood as indicating or implying relative importance.

[0058] In addition, the terms "horizontal", "vertical", "suspension" and other terms do not mean that the component must be absolutely horizontal or suspended, but can be slightly inclined."Horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0059] In the utility model, unless another definite provision and limitation, first feature is above or below second feature can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through additional feature between them.

[0060] Although the description of the utility model is combined with above specific embodiment, it is obvious that many substitutions, modifications and changes can be made according to the above-mentioned content by the person skilled in the art. Therefore, all such substitutions, improvements and changes are included in the spirit and scope of the appended claims.

Claims

1. A water tank bidirectional air tightness detection device, characterized in that, The device comprises: a rack (1) provided with a detection table (11) provided with a detection tool (12) for placing a workpiece (5) to be detected; a lifting assembly (2) provided on the detection table (11) and above the detection tool (12); a first detection assembly (3) provided on the detection table (11) and inside the detection tool (12), the first detection assembly (3) being provided with a first detection interface (32) connected to a lower end of a detection area (51) of the workpiece to be detected; and a second detection assembly (4) provided on the lifting assembly (2) and above the detection tool (12), the second detection assembly (4) being provided with a second detection interface (42) and the first detection interface (32) being connected to an upper end of the detection area (51); wherein the detection area (51) is subjected to air tightness detection by the first detection assembly (3) and / or the second detection assembly (4).

2. The water tank bidirectional airtightness detection device according to claim 1, characterized in that, An upper surface of the detection tool (12) is provided with a mounting groove (121) for placing the workpiece (5) to be detected, and the detection tool (12) is further provided with a detection through groove (123) (122) in communication with the mounting groove (121); the first detection assembly (3) is inside the detection through groove (123) (122) and the first detection interface (32) is extended and arranged on the mounting groove (121).

3. The water tank bidirectional airtightness detection device according to claim 2, characterized in that, The first detection assembly (3) further comprises a first detection base (31), and the first detection interface (32) is connected to the first detection base (31); the first detection base (31) is further provided with a first air inlet pipe in communication with the first detection interface (32).

4. The water tank bidirectional airtightness detection device according to claim 3, characterized in that, An upper end of the first detection interface (32) is provided with a first detection groove (321), and a first air path (322) in communication with the first air inlet pipe is arranged inside the first detection groove (321); the first detection groove (321) and the detection area (51) form a first detection area, and air tightness detection is performed by an air pressure sensor arranged in the first detection groove (321) after the air inlet pipe is ventilated.

5. The water tank bidirectional airtightness detection device according to claim 2, characterized in that, The mounting groove (121) is provided with at least one avoidance groove matched with the workpiece (5) to be detected.

6. The water tank bidirectional airtightness detection device according to claim 1, characterized in that, The lifting assembly (2) comprises a slide rod (21), a first mounting plate (22), a second mounting plate (23), and a lifting cylinder (24), a lower end of the slide rod (21) is fixedly arranged on the detection table (11), the first mounting plate (22) is fixed to an upper end of the slide rod (21); the second mounting plate (23) is provided with a sliding seat sleeved on the slide rod (21); the lifting cylinder (24) is arranged on the first mounting plate (22), and a driving end of the lifting cylinder (24) is drivingly connected with the second mounting plate (23); the second detection interface (42) is arranged at a lower end of the second mounting plate (23).

7. The water tank bidirectional airtightness detection device according to claim 6, characterized in that, The lifting assembly (2) further comprises a pressing plate (25) for abutting against the upper end of the workpiece (5) to be detected, the pressing plate (25) is connected to the lower end of the second mounting plate (23), and the pressing plate (25) is provided with a position avoiding groove, and the first detection interface (32) passes through the position avoiding groove to detect the detection area (51).

8. The water tank bidirectional airtightness detection device according to claim 6 or 7, characterized in that, The second detection assembly (4) comprises a second detection base (41), and the second detection interface (42) is connected to the second detection base (41); the second detection base (41) is further provided with a second air inlet pipe, and the second air inlet pipe is in communication with the second detection interface (42).

9. The water tank bidirectional airtightness detection device according to claim 8, characterized in that, The upper end of the second detection interface (42) is provided with a second detection groove, the inside of the second detection groove is provided with a second air path in communication with the second air inlet pipe; the second detection groove and the detection area (51) form a second detection area, and after the air inlet pipe is ventilated, the air tightness is detected by the air pressure sensor arranged in the second detection groove.

10. The water tank bidirectional airtightness detection device according to claim 7, characterized in that, The detection tool (12) is provided with at least one positioning hole (124) on the side, and the second mounting plate (23) is provided with a positioning column (26) which can be abutted to the positioning hole (124).

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