Gasoline engine generator box body air tightness testing device

Abstract

The utility model belongs to the technical field of generator box body detection equipment, and particularly relates to a gasoline engine generator box body air tightness testing device, which comprises a shell, a deflation mechanism, an air inflation mechanism, an air pressure detection mechanism and a power supply mechanism are arranged in the shell, the air inflation mechanism, the air pressure detection mechanism and the power supply mechanism are electrically connected, and an insertion part inserted into a box body is arranged on the shell. The insertion part is provided with an expansion piece connected with an inflation mechanism, when the expansion piece collides, the expansion piece is used for installing the insertion part in a box body in a sealed mode, the expansion piece comprises an air bag, an annular groove is formed in the periphery of the insertion part, and the air bag is installed in the annular groove in a wrapped mode. According to the utility model, through the additional arrangement of the inflation mechanism, the deflation mechanism, the air pressure detection mechanism, the power supply mechanism, the plugging part and the expansion piece, equipment with the functions of inflation, deflation and air pressure detection can be detachably installed on the box body through the plugging part and the expansion piece, so that air tightness detection can be conveniently carried out on the box body.

Description

Technical Field

[0001] The utility model belongs to the technical field of generator box detection equipment, and in particular relates to an air tightness testing device for a gasoline generator box. Background Art

[0002] The gasoline generator box needs to be tested for air tightness, and an air tightness testing device is needed in this process.

[0003] In the Chinese utility model patent with patent number CN201520430925.X, entitled Gasoline generator case air tightness test device, the case is placed in oil and inflated, and whether the case is leaking is determined by observing whether there are bubbles in the oil. However, the intrusion of the case into the oil will cause the oil to wrap around the case, and the case needs to be cleaned of the oil and dried. The steps are cumbersome and inefficient. Since the existing test device includes a water tank body, a lifting mechanism and a clamping mechanism, the test device is large in size and not conducive to transportation. The case can only be tested by placing it in the clamping mechanism, which greatly reduces the practicality of the equipment. Utility Model Content

[0004] The purpose of the utility model is to provide a gasoline generator box air tightness testing device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a gasoline generator box air tightness testing device, comprising: a shell, in which a deflation mechanism and an electrically connected inflation mechanism, an air pressure detection mechanism and a power supply mechanism are installed, a plug-in portion inserted into the box is installed on the shell, and an expansion piece connected to the inflation mechanism is provided on the plug-in portion, which is used to seal the plug-in portion in the box when the expansion piece collides.

[0006] Preferably, the expansion member includes an airbag, an annular groove is provided on the outer periphery of the plug-in portion, and the airbag is wrapped and installed in the annular groove.

[0007] Preferably, a handle for holding is also installed on one side of the shell.

[0008] Preferably, the inflation mechanism includes an air pump and an air intake pipe connected to the output end of the air pump. An installation compartment is provided in the shell, and the air pump is installed in the installation compartment. The end of the air intake pipe facing away from the air pump passes through the plug-in part. A first solenoid valve is installed between the airbag and the air intake pipe, and a second solenoid valve is installed at the end of the air intake pipe facing away from the air pump.

[0009] Preferably, the air pressure detection mechanism includes an electronic barometer, which is embedded in the housing, and a detection end of the electronic barometer is connected to the air intake pipe.

[0010] Preferably, at least a portion of a filter screen is provided on the outer wall of the shell, and the filter screen extends into the installation compartment.

[0011] Preferably, a control panel is mounted on the housing, and the air pump, the first solenoid valve, the second solenoid valve and the electronic pressure gauge are all integrated and mounted on the control panel.

[0012] Preferably, the power supply mechanism includes a rechargeable battery, a battery compartment for accommodating the rechargeable battery is provided at one end of the handle, and a plug that abuts against the rechargeable battery is screwed onto one end of the handle.

[0013] Preferably, the venting mechanism includes a venting screw with a venting hole on the side, the venting screw is installed on the outer wall of the shell, one end of the venting screw is threaded with a venting bolt that blocks the venting hole, an exhaust pipe connected to the venting screw is installed in the shell, and the other end of the exhaust pipe passes through the plug-in part.

[0014] Preferably, the cross-section of the plug-in portion may be circular, rectangular or triangular.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] (1) The utility model adds an inflation mechanism, a deflation mechanism, an air pressure detection mechanism, a power supply mechanism, a plug-in unit and an expansion piece, so that the equipment with inflation, deflation and air pressure detection functions can be detachably installed on the box body through the plug-in unit and the expansion piece, thereby facilitating the air tightness detection of the box body.

[0017] (2) The utility model has an additional air bag, which can seal the plug-in part in the box to avoid air leakage between the device and the box.

[0018] (3) The utility model has an additional handle, which makes it easy to carry the shell.

[0019] (4) The utility model is equipped with an electronic pressure gauge, which can detect the gas in the box. When the electronic pressure gauge detects that the air pressure drops by more than a certain threshold over a period of time, it indicates that the box is leaking. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a side view of the utility model;

[0021] Figure 2 It is a cross-sectional view of the utility model;

[0022] Figure 3 It is a top view of the utility model;

[0023] Figure 4 This is a bottom view of the first embodiment of the plug-in portion of the utility model;

[0024] Figure 5 This is a bottom view of the second embodiment of the plug-in portion of the utility model;

[0025] Figure 6 This is a bottom view of the third embodiment of the plug-in portion of the utility model;

[0026] In the figure: 1. Plug; 2. Handle; 3. Shell; 4. Bleed screw; 5. Bleed bolt; 6. Exhaust pipe; 7. Inlet pipe; 8. Air bag; 9. Connector; 10. Electronic pressure gauge; 11. Control panel; 12. Bleed hole; 13. Ring groove; 14. Battery compartment; 15. Rechargeable battery; 16. First solenoid valve; 17. Air pump; 18. Mounting compartment; 19. Filter; 20. Second solenoid valve. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] refer to Figure 2 As shown, the utility model provides a gasoline generator box air tightness testing device, including: a shell 3, in which a deflation mechanism and an electrically connected inflation mechanism, an air pressure detection mechanism and a power supply mechanism are installed. The shell 3 is provided with a plug-in portion 9 inserted into the box, and the plug-in portion 9 is provided with an expansion member connected to the inflation mechanism. When the expansion member collides, it is used to seal the plug-in portion 9 in the box.

[0029] Combine Figure 2 As shown, the expansion member includes an airbag 8 , and an annular groove 13 is provided on the outer periphery of the plug-in portion 9 , and the airbag 8 is wrapped and installed in the annular groove 13 .

[0030] As mentioned above, when using the deflation mechanism, shell 3, inflation mechanism, air pressure detection mechanism, power supply mechanism, plug-in part 9 and expansion piece provided by the utility model, the shell 3 is used to provide an installation position for the deflation mechanism, inflation mechanism, air pressure detection mechanism power supply mechanism and plug-in part 9, and the plug-in part 9 can be detachably installed in the box through the expansion piece. The expansion piece is an airbag 8, and the airbag 8 is inflated by the inflation mechanism, so that the plug-in part 9 is sealed and connected to the box. At this time, the box is inflated by the inflation mechanism. When the air pressure detection mechanism detects that the air pressure reaches the preset value, the inflation mechanism stops starting. After a period of time, the air pressure in the box is detected again by the air pressure detection mechanism. When the difference between the two detected values ​​is within the predetermined threshold value, the box is qualified, otherwise it is unqualified. Thereafter, the deflation mechanism is started to release the gas in the box and the airbag 8 in turn. At this time, the plug-in part 9 can be taken out from the box, thereby realizing a rapid air tightness test of the box.

[0031] Furthermore, in order to facilitate the adaptability of the plug-in portion 9 to boxes with different interfaces, the plug-in portion 9 has at least three embodiments when in use. Figure 4-6 As shown, the cross section of the plug-in portion 9 can be circular, rectangular or triangular. The plug-in portion 9 can be selected according to the different interfaces of the box body, and different types of plug-in portions 9 are adapted to boxes with different interfaces.

[0032] In this utility model, combined with Figure 1 and Figure 3 As shown, a handle 2 for holding is also installed on one side of the housing 3 of this embodiment.

[0033] As described above, when the handle 2 provided by the present invention is used, the housing 3 can be easily held and carried by the handle 2 .

[0034] In this utility model, combined with Figure 2 As shown, the inflation mechanism of this embodiment includes an air pump 17 and an air intake pipe 7 connected to the output end of the air pump 17. An installation compartment 18 is opened in the shell 3, and the air pump 17 is installed in the installation compartment 18. The end of the air intake pipe 7 facing away from the air pump 17 passes through the plug-in portion 9. A first solenoid valve 16 is installed between the airbag 8 and the air intake pipe 7, and a second solenoid valve 20 is installed at the end of the air intake pipe 7 facing away from the air pump 17.

[0035] As mentioned above, when using the inflation mechanism provided by the present invention, the air pump 17 in the inflation mechanism is installed in the shell 3 through the installation chamber 18. When the plug-in part 9 is inserted into the box body, the second solenoid valve 20 is closed, the first solenoid valve 16 is opened, and the air pump 17 is started at the same time. The external air enters the airbag 8 through the air pump 17, the air intake pipe 7 and the first solenoid valve 16. The inflated airbag 8 seals the plug-in part 9 in the box body. At this time, the first solenoid valve 16 is closed, the second solenoid valve 20 is opened, and the external air enters the box body. When the air pressure detection mechanism detects that the air pressure in the box body is at a predetermined value, the second solenoid valve 20 is closed and the air pump 17 stops, thereby completing the inflation of the box body.

[0036] Further, in order to filter the gas entering the installation chamber 18, refer to Figure 2 As shown, at least a portion of the filter screen 19 is provided on the outer wall of the housing 3, and the filter screen 19 extends into the installation chamber 18. When the air pump 17 inflates, the external air enters the installation chamber 18 through the filter screen 19, and the air is filtered by the filter screen 19 during this process.

[0037] In this utility model, combined with Figure 2-3 As shown, the air pressure detection mechanism of this embodiment includes an electronic barometer 10, which is embedded in the housing 3, and the detection end of the electronic barometer 10 is connected to the intake pipe 7.

[0038] As mentioned above, when using the air pressure detection mechanism provided by the present invention, the electronic barometer 10 in the air pressure detection mechanism can detect the air pressure in the box through the air inlet pipe 7. Over a period of time, when the electronic barometer 10 is within a certain threshold, the box is qualified, and the rest are unqualified.

[0039] In this utility model, combined with Figure 2-3 As shown, a control panel 11 is embedded in the housing 3 of this embodiment, and the air pump 17 , the first solenoid valve 16 , the second solenoid valve 20 and the electronic pressure gauge 10 are all integrated and installed on the control panel 11 .

[0040] As described above, when the control panel 11 provided by the present invention is used, the air pump 17 , the first solenoid valve 16 , the second solenoid valve 20 and the electronic pressure gauge 10 can be operated and controlled through the control panel 11 .

[0041] In this utility model, combined with Figure 2 As shown, the power supply mechanism of this embodiment includes a rechargeable battery 15 , a battery compartment 14 for accommodating the rechargeable battery 15 is provided at one end of the handle 2 , and a plug 1 is screwed onto one end of the handle 2 to abut against the rechargeable battery 15 .

[0042] As mentioned above, when using the power supply mechanism provided by the present invention, the rechargeable battery 15 in the power supply mechanism is installed in the handle 2 through the battery compartment 14. The rechargeable battery 15 can be confined in the battery compartment 14 by the plug 1. The rechargeable battery 15 can be replaced by removing the plug 1. The rechargeable battery 15 supplies power to the control panel 11, the air pump 17, and the electronic pressure gauge 10.

[0043] In this utility model, combined with Figure 2 As shown, the venting mechanism of this embodiment includes a venting screw 4 with a venting hole 12 on the side, the venting screw 4 is installed on the outer wall of the shell 3, one end of the venting screw 4 is threaded with a venting bolt 5 for sealing the venting hole 12, and an exhaust pipe 6 connected to the venting screw 4 is installed in the shell 3, and the other end of the exhaust pipe 6 passes through the plug-in portion 9.

[0044] As mentioned above, when using the venting mechanism provided by the present invention, the venting screw sleeve 4 in the venting mechanism is installed on the outer wall of the shell 3. When the plug-in part 9 is inserted into the box body, the venting screw sleeve 4 is connected with the space in the box body through the exhaust pipe 6. When exhausting, the gas in the box body is discharged outward through the exhaust pipe 6, the venting screw sleeve 4 and the venting hole 12. When it is necessary to inflate the box body, the venting bolt 5 is tightened and installed on the venting screw sleeve 4, so that the venting hole 12 is blocked by the venting bolt 5, and the box body is in a sealed state.

[0045] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gasoline generator box air tightness test device, characterized in that: include: A shell (3) is provided in which a deflation mechanism and an electrically connected inflation mechanism, an air pressure detection mechanism and a power supply mechanism are installed. A plug-in portion (9) inserted into the box body is installed on the shell (3). An expansion member connected to the inflation mechanism is provided on the plug-in portion (9). When the expansion member collides, the plug-in portion (9) is used to seal the plug-in portion (9) in the box body.

2. A gasoline generator box air tightness testing device according to claim 1, characterized in that: The expansion member comprises an airbag (8), an annular groove (13) is provided on the outer periphery of the plug-in portion (9), and the airbag (8) is wrapped and installed in the annular groove (13).

3. A gasoline generator box air tightness testing device according to claim 1, characterized in that: A handle (2) for holding is also installed on one side of the housing (3).

4. A gasoline generator box air tightness testing device according to claim 2, characterized in that: The inflation mechanism comprises an inflation pump (17) and an air intake pipe (7) connected to the output end of the inflation pump (17); a mounting chamber (18) is provided in the housing (3); the inflation pump (17) is mounted in the mounting chamber (18); an end of the inflation pipe (7) facing away from the inflation pump (17) passes through the plug-in portion (9); a first solenoid valve (16) is installed between the airbag (8) and the inflation pipe (7); and a second solenoid valve (20) is installed at an end of the inflation pipe (7) facing away from the inflation pump (17).

5. A gasoline generator box air tightness testing device according to claim 4, characterized in that: The air pressure detection mechanism comprises an electronic barometer (10), which is embedded in the housing (3), and the detection end of the electronic barometer (10) is connected to the air intake pipe (7).

6. A gasoline generator box air tightness testing device according to claim 4, characterized in that: At least a portion of the filter screen (19) is provided on the outer wall of the housing (3), and the filter screen (19) extends into the installation bin (18).

7. A gasoline generator box air tightness testing device according to claim 5, characterized in that: A control panel (11) is mounted on the housing (3), and the air pump (17), the first solenoid valve (16), the second solenoid valve (20) and the electronic pressure gauge (10) are all integrated and mounted on the control panel (11).

8. A gasoline generator box air tightness testing device according to claim 3, characterized in that: The power supply mechanism comprises a rechargeable battery (15), one end of the handle (2) is provided with a battery compartment (14) for accommodating the rechargeable battery (15), and one end of the handle (2) is screwed with a plug (1) abutting against the rechargeable battery (15).

9. A gasoline generator box air tightness testing device according to claim 1, characterized in that: The venting mechanism comprises a venting screw sleeve (4) with a venting hole (12) on the side, the venting screw sleeve (4) is installed on the outer wall of the shell (3), one end of the venting screw sleeve (4) is threadedly connected with a venting bolt (5) for sealing the venting hole (12), and an exhaust pipe (6) connected to the venting screw sleeve (4) is installed in the shell (3), and the other end of the exhaust pipe (6) passes through the plug-in portion (9).

10. A gasoline generator box air tightness testing device according to claim 1, characterized in that: The cross section of the plug-in portion (9) may be circular, rectangular or triangular.

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