Device for detecting sealing performance of battery pack of dust collector

Abstract

The utility model discloses a dust collector battery pack sealing performance detection device, and relates to the technical field of battery pack detection devices, the dust collector battery pack sealing performance detection device comprises an air tightness detector, the rear part of the lower surface of the inner side of the air tightness detector is fixedly connected with an inflation mechanism, and the middle part of the lower surface of the inner side of the air tightness detector is fixedly provided with a placing mold. When the detection device is used, the air delivery pipe is aligned with the insertion pipe, the connection sleeve can be sleeved in the insertion pipe through sliding of the connection sleeve on the air delivery pipe, connection between the inflation mechanism and the placement mold is facilitated, the connection effect can be better through extrusion of the sealing ring, and the detection efficiency is improved during detection. The air pump is driven by the motor to work, so that the battery pack in the placing mold can be inflated through the air delivery pipe, the sealing performance of the battery pack can be judged according to a numerical value measured by the air pressure sensor, and the sealing performance detection of the dust collector battery pack is completed.

Description

Technical Field

[0001] The utility model relates to the technical field of battery pack detection devices, and in particular to a vacuum cleaner battery pack sealing detection device. Background Art

[0002] Handheld vacuum cleaners are much more convenient than towed vacuum cleaners. The built-in battery pack greatly improves the cleaning range of the vacuum cleaner. As the power source of new energy vehicles, the battery pack must meet the needs of long-term use and adapt to a variety of working environments. It must reach a certain level of waterproof and dustproof to avoid corrosion from foreign objects inside. Therefore, the battery pack must have good sealing. It is very important to test the sealing of the battery pack.

[0003] The existing technology has the following problems:

[0004] When using the existing vacuum cleaner battery pack sealing detection device, the vacuum cleaner battery pack needs to be placed inside the mold, but the connection between the inflation mechanism and the placement mold is very inconvenient. At the same time, when testing different vacuum cleaner battery packs, the existing vacuum cleaner battery pack sealing detection device is not convenient for replacing different battery pack molds, which is not conducive to the use of the vacuum cleaner battery pack sealing detection device. Utility Model Content

[0005] The utility model provides a vacuum cleaner battery pack sealing detection device to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A vacuum cleaner battery pack sealing detection device comprises an airtight detector, an inflation mechanism is fixedly connected to the rear of the inner lower surface of the airtight detector, and a placement mold is fixedly installed in the middle of the inner lower surface of the airtight detector.

[0008] The inflation mechanism includes an air pump, which is fixedly connected to the rear side of the inner lower surface of the air tightness detector, the bottom end of the air pump is fixedly connected to a motor, the top end of the air pump is fixedly connected to a dust filter, an air pipe is fixedly connected to the lower front side of the outer surface of the air pump, an air pressure sensor is fixedly connected to the middle of the air pipe, a sealing ring is fixedly connected to the front end of the air pipe, and a connecting sleeve is slidably connected to the front side of the outer surface of the air pipe.

[0009] The placement mold includes a mold body, which is arranged in the middle of the inner lower surface of the airtightness detector, and the left and right sides of the bottom of the mold body are fixedly connected with positioning blocks, and the inner lower surface of the airtightness detector is provided with plug-in grooves on both sides, and the positioning blocks are slidably plugged into the plug-in grooves. The left and right sides of the outer surface of the mold body are movably connected with fixing mechanisms, and the top of the mold body is fixedly connected with a sealing gasket, and the rear side of the outer surface of the mold body is fixedly connected with a plug-in tube, and the plug-in tube is slidably plugged into the middle of the connecting sleeve, and the left and right sides of the inner surface of the mold body are fixedly connected with air nozzles.

[0010] A further improvement of the technical solution of the utility model is that the connecting sleeve includes a sliding sleeve, which is slidably connected to the front end of the gas pipe, and an annular groove is provided on the outer surface of the sliding sleeve. An internally threaded annular plate is rotatably connected to the outer side of the annular groove, and an externally threaded annular plate is threadedly connected to the inner surface of the internally threaded annular plate, and the externally threaded annular plate is slidably connected to the inside of the annular groove.

[0011] A further improvement of the technical solution of the utility model is that: sliding grooves 1 are provided on both upper and lower sides of the inner surface of the annular slide groove, and the end of the sliding groove 1 away from the annular slide groove penetrates into the inner surface of the sliding sleeve, and the inner surface of the externally threaded annular plate is fixedly connected with sliding columns on both upper and lower sides, and the sliding columns are slidably connected to the inside of the sliding groove 1 and the outer surface of the end away from the externally threaded annular plate is slidably sleeved with a sliding clamping plate.

[0012] A further improvement of the technical solution of the utility model is that: an annular groove is opened on the outer surface of the plug-in tube, and the end of the sliding clamping plate away from the sliding column penetrates into the interior of the annular groove; a pulling rod is movably connected to the front side of the outer surface of the sliding clamping plate, and the front end of the pulling rod is movably connected to the front side of the inner wall of the sliding groove.

[0013] A further improvement of the technical solution of the utility model is that: the fixing mechanism includes a knob, and the two knobs are movably connected to the left and right sides of the mold body respectively, and a bevel gear 1 is fixedly connected to the side of the knob close to the mold body, and movable grooves are opened on the left and right sides inside the mold body, and the bevel gear 1 is movably connected inside the movable groove and meshingly connected with a bevel gear 2 below the outer surface.

[0014] A further improvement of the technical solution of the utility model is that: a transmission screw is fixedly connected to the bottom end of the bevel gear No. 2, and sliding grooves No. 2 are provided on opposite sides of the two positioning blocks, the bottom end of the transmission screw penetrates into the interior of the sliding groove No. 2 and is threadedly connected to a threaded slider on the outer surface, a U-shaped slide is slidably connected to the outer surface of the threaded slider, a fixed slot is provided inside the plug-in slot, and the end of the U-shaped slide away from the threaded slider penetrates into the interior of the fixed slot.

[0015] A further improvement of the technical solution of the utility model is that the front and rear sides of the threaded slider are fixedly connected to the limiting slide plate, the front and rear sides of the inner surface of the U-shaped slide plate are provided with limiting sliding grooves, and the limiting slide plate is slidably connected inside the limiting sliding groove.

[0016] A further improvement of the technical solution of the utility model is that: sliding blocks are fixedly connected to the front and rear sides of the U-shaped slide plate, and oblique sliding grooves are opened on the front and rear sides of the inner wall of the second sliding groove, and the sliding block is slidably connected inside the oblique sliding groove.

[0017] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0018] 1. The utility model provides a vacuum cleaner battery pack sealing detection device. Through the mutual cooperation among a motor, an air pump, a dust filter, an air pipe, an air pressure sensor, a connecting sleeve, a plug-in tube, and a sealing ring, when the detection device is used, the air pipe and the plug-in tube are aligned, and the connecting sleeve can be slid on the air pipe to be sleeved inside the plug-in tube, so that the connection between the inflation mechanism and the placement mold is convenient, and at the same time, the connection effect can be better by squeezing the sealing ring. During the detection, the air pump is driven by the motor to work, so that the battery pack in the placement mold can be inflated through the air pipe. The value measured by the air pressure sensor can be used to judge the sealing of the battery pack, thereby completing the sealing detection of the vacuum cleaner battery pack.

[0019] 2. The utility model provides a vacuum cleaner battery pack sealing detection device, which can fix the placement mold by mutual cooperation among a knob, bevel gear one, bevel gear two, a transmission screw, a threaded slider, a U-shaped slide plate, a sliding block, and an oblique slide groove, and by clamping the U-shaped slide plate in the fixed slot, and by rotating the knob, the bevel gear one can drive the bevel gear two to rotate, so that the transmission screw can drive the threaded slider to move, and can drive the U-shaped slide plate to retract from the fixed slot, so that the placement mold can be disassembled, which is convenient for replacing vacuum cleaner battery pack molds of different models, making the use of the sealing detection device more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 It is a structural schematic diagram of the inflation mechanism and the placement mold of the utility model;

[0022] Figure 3 It is a schematic diagram of the cross-sectional structure of the connecting sleeve of the utility model;

[0023] Figure 4It is a cross-sectional structural diagram of the fixing mechanism of the utility model;

[0024] Figure 5 It is a structural schematic diagram of the threaded slider of the utility model.

[0025] In the figure: 1. airtightness detector; 2. inflation mechanism; 21. motor; 22. air pump; 23. dust filter; 24. air pipe; 241. sealing ring; 25. air pressure sensor; 26. connecting sleeve; 261. sliding sleeve; 262. internal threaded ring plate; 263. external threaded ring plate; 264. sliding column; 265. sliding card plate; 266. pulling rod; 3. placing mold; 31. mold body; 32. positioning plug block; 33. fixing mechanism; 331. knob; 332. bevel gear one; 333. bevel gear two; 334. transmission screw; 335. threaded slider; 336. U-shaped slide plate; 337. sliding block; 338. oblique slide groove; 34. sealing gasket; 35. plug-in tube; 351. annular card groove; 36. air nozzle. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods:

[0027] like Figure 1-2 As shown, the utility model provides a vacuum cleaner battery pack sealing detection device, including an airtight detector 1, an air filling mechanism 2 is fixedly connected to the rear of the inner lower surface of the airtight detector 1, a placing mold 3 is fixedly installed in the middle of the inner lower surface of the airtight detector 1, the air filling mechanism 2 includes an air pump 22, the air pump 22 is fixedly connected to the rear side of the inner lower surface of the airtight detector 1, a motor 21 is fixedly connected to the bottom end of the air pump 22, a dust filter 23 is fixedly connected to the top of the air pump 22, and the air entering is filtered, an air pipe 24 is fixedly connected to the lower side of the outer front of the air pump 22, an air pressure sensor 25 is fixedly connected to the middle of the air pipe 24, a sealing ring 241 is fixedly connected to the front end of the air pipe 24, and the air pipe 24 is fixedly connected to the bottom of the outer front side. The front side of the outer surface of 24 is slidably connected with a connecting sleeve 26, and the placement mold 3 includes a mold body 31, which is arranged in the middle of the inner lower surface of the airtight detector 1, and the left and right sides of the bottom of the mold body 31 are fixedly connected with positioning plugs 32, and the inner lower surface of the airtight detector 1 is provided with plug-in grooves on both sides, and the positioning plug-in blocks 32 are slidably plugged into the inside of the plug-in grooves, and the left and right sides of the outer surface of the mold body 31 are movably connected with fixing mechanisms 33, and the top of the mold body 31 is fixedly connected with a sealing gasket 34, and the rear side of the outer surface of the mold body 31 is fixedly connected with a plug-in tube 35, and the plug-in tube 35 is slidably plugged in the middle of the connecting sleeve 26, and the left and right sides of the inner surface of the mold body 31 are fixedly connected with gas nozzles 36;

[0028] When the detection device is in use, the positioning plug 32 is inserted into the interior of the plug-in slot, and the placement mold 3 can be fixed by the fixing mechanism 33, so that the air pipe 24 will be aligned with the plug-in tube 35, and the connecting sleeve 26 can be slid on the air pipe 24 to be sleeved on the interior of the plug-in tube 35, which facilitates the connection between the inflation mechanism 2 and the placement mold 3. At the same time, the connection effect can be better achieved by squeezing the sealing ring 241. During the detection, the vacuum cleaner battery pack is placed inside the placement mold 3 so that the air nozzle 36 is aligned with the vacuum cleaner battery pack. By starting the airtightness detector 1, the placement mold 3 is closed, and the air pump 22 is driven by the motor 21 to work, so that the battery pack in the placement mold 3 can be inflated through the air pipe 24. The value measured by the air pressure sensor 25 can be used to judge the sealing of the battery pack, and the sealing detection of the vacuum cleaner battery pack is completed.

[0029] like Figure 3 As shown, the utility model provides a vacuum cleaner battery pack sealing detection device, the connecting sleeve 26 includes a sliding sleeve 261, the sliding sleeve 261 is slidably connected to the front end of the air delivery pipe 24, the outer surface of the sliding sleeve 261 is provided with an annular groove, the outer side of the annular groove is rotatably connected with an internal threaded annular plate 262, the inner surface of the internal threaded annular plate 262 is threadedly connected with an external threaded annular plate 263, the external threaded annular plate 263 is slidably connected to the inside of the annular groove, the inner surface of the annular groove is provided with sliding grooves 1 on both upper and lower sides, and the end of the sliding groove 1 away from the annular groove penetrates to The inner surface of the sliding sleeve 261 and the inner surface of the externally threaded annular plate 263 are fixedly connected with sliding columns 264 on both upper and lower sides. The sliding column 264 is slidably connected to the inside of the sliding groove 1 and is slidably sleeved with a sliding clamping plate 265 on the outer surface of one end away from the externally threaded annular plate 263. The outer surface of the plug-in tube 35 is provided with an annular clamping groove 351. The end of the sliding clamping plate 265 away from the sliding column 264 penetrates into the inside of the annular clamping groove 351. The outer front side of the sliding clamping plate 265 is movably connected with a pulling rod 266. The front end of the pulling rod 266 is movably connected to the front side of the inner wall of the sliding groove 1.

[0030] The sliding sleeve 261 is sleeved on the plug-in tube 35, and by rotating the internally threaded annular plate 262, the externally threaded annular plate 263 can be driven to slide inside the annular slide groove, thereby driving the sliding column 264 to slide inside the sliding groove 1, and driving the sliding clamp plate 265 to slide. Under the pulling of the pulling rod 266, the sliding clamp plate 265 can be inserted into the annular clamping groove 351, thereby fixing the plug-in tube 35, which facilitates the connection between the inflation mechanism 2 and the placement mold 3.

[0031] like Figure 4-5As shown, the utility model provides a vacuum cleaner battery pack sealing detection device, the fixing mechanism 33 includes a knob 331, and the two knobs 331 are movably connected to the left and right sides of the mold body 31 respectively, and a bevel gear 1 332 is fixedly connected to the side of the knob 331 close to the mold body 31, and movable grooves are provided on the left and right sides of the inside of the mold body 31, and the bevel gear 1 332 is movably connected to the inside of the movable groove and meshed with a bevel gear 2 333 below the outer surface, and a transmission screw 334 is fixedly connected to the bottom end of the bevel gear 2 333, and a sliding groove 2 is provided on the opposite sides of the two positioning blocks 32, and the bottom end of the transmission screw 334 penetrates into the inside of the sliding groove 2 The outer surface is threadedly connected with a threaded slider 335, and the outer surface of the threaded slider 335 is slidably connected with a U-shaped slider 336. A fixed card slot is provided inside the plug-in slot, and one end of the U-shaped slider 336 away from the threaded slider 335 passes through the inside of the fixed card slot. The front and rear sides of the threaded slider 335 are fixedly connected with a limiting slider, and the front and rear sides of the inner surface of the U-shaped slider 336 are provided with limiting sliding grooves, and the limiting slider is slidably connected inside the limiting sliding grooves. The front and rear sides of the U-shaped slider 336 are fixedly connected with sliding blocks 337, and the front and rear sides of the inner wall of the sliding groove 2 are provided with oblique sliding grooves 338, and the sliding block 337 is slidably connected inside the oblique sliding groove 338.

[0032] By clamping the U-shaped slide 336 inside the fixed slot, the placement mold 3 can be fixed, and by rotating the knob 331, the bevel gear 1 332 can be driven to rotate, and the bevel gear 2 333 can be driven to rotate, so that the transmission screw 334 can be rotated, and the threaded slider 335 can be driven to move, and the U-shaped slide 336 can be driven to slide downward by the limiting slide, and at the same time, the sliding block 337 can slide inside the oblique slide groove 338, which can drive the U-shaped slide 336 to retract from the fixed slot, so that the placement mold 3 can be disassembled, which is convenient for replacing different types of vacuum cleaner battery pack molds and makes the use of the sealing detection device more convenient.

[0033] The working principle of the vacuum cleaner battery pack sealing detection device is described in detail below.

[0034] like Figure 1-5As shown, when the detection device is in use, the positioning plug block 32 is inserted into the interior of the plug-in slot, and by rotating the knob 331, the bevel gear 1 332 can drive the bevel gear 2 333 to rotate, so that the transmission screw 334 can drive the threaded slider 335 to move, so that the U-shaped slide plate 336 is stuck in the interior of the fixed slot, so that the mold 3 can be placed and fixed, and at the same time, the air delivery pipe 24 can be aligned with the plug-in pipe 35, and the external threaded ring plate 263 can be driven to slide through the internal threaded ring plate 262, so that the sliding column 264 can drive the sliding card plate 265 to slide, and when the pull rod 266 is pulled Under the condition that the sliding card plate 265 can be inserted into the inside of the annular card groove 351, it is convenient to connect the inflation mechanism 2 with the placement mold 3. At the same time, the connection effect can be better achieved by squeezing the sealing ring 241. During the inspection, the vacuum cleaner battery pack is placed inside the placement mold 3 so that the air nozzle 36 is aligned with the vacuum cleaner battery pack. By starting the airtightness detector 1, the placement mold 3 is closed, and the air pump 22 is driven by the motor 21, so that the battery pack in the placement mold 3 can be inflated through the air pipe 24. The value measured by the air pressure sensor 25 can be used to judge the sealing of the battery pack, thereby completing the sealing test of the vacuum cleaner battery pack.

[0035] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A vacuum cleaner battery pack sealing detection device, characterized in that: It comprises an airtight detector (1), wherein an inflation mechanism (2) is fixedly connected to the rear of the inner lower surface of the airtight detector (1), and a placement mold (3) is fixedly installed in the middle of the inner lower surface of the airtight detector (1); The inflation mechanism (2) comprises an air pump (22), the air pump (22) is fixedly connected to the rear side of the inner lower surface of the airtightness detector (1), the bottom end of the air pump (22) is fixedly connected to a motor (21), the top end of the air pump (22) is fixedly connected to a dust filter (23), the lower part of the outer surface of the air pump (22) is fixedly connected to an air pipe (24), the middle part of the air pipe (24) is fixedly connected to an air pressure sensor (25), the front end of the air pipe (24) is fixedly connected to a sealing ring (241), and the outer surface of the air pipe (24) is slidably connected to a connecting sleeve (26); The placement mold (3) comprises a mold body (31), the mold body (31) is arranged at the middle of the inner lower surface of the airtight detector (1), the bottom left and right sides of the mold body (31) are fixedly connected with positioning plugs (32), the inner lower surface of the airtight detector (1) is provided with plug-in grooves on both sides, the positioning plugs (32) are slidably plugged into the inside of the plug-in grooves, the outer surface left and right sides of the mold body (31) are movably connected with fixing mechanisms (33), the top of the mold body (31) is fixedly connected with a sealing gasket (34), the outer surface rear side of the mold body (31) is fixedly connected with a plug-in tube (35), the plug-in tube (35) is slidably plugged into the middle of the connecting sleeve (26), and the inner surface left and right sides of the mold body (31) are fixedly connected with air nozzles (36).

2. A vacuum cleaner battery pack sealing detection device according to claim 1, characterized in that: The connecting sleeve (26) comprises a sliding sleeve (261), the sliding sleeve (261) is slidably connected to the front end of the gas transmission pipe (24), an annular groove is provided on the outer surface of the sliding sleeve (261), an inner threaded annular plate (262) is rotatably connected to the outer side of the annular groove, an outer threaded annular plate (263) is threadedly connected to the inner surface of the inner threaded annular plate (262), and the outer threaded annular plate (263) is slidably connected to the inside of the annular groove.

3. A vacuum cleaner battery pack sealing detection device according to claim 2, characterized in that: The inner surface of the annular slide groove is provided with a sliding groove 1 on both upper and lower sides, and the end of the sliding groove 1 away from the annular slide groove penetrates to the inner surface of the sliding sleeve (261), and the inner surface of the external threaded annular plate (263) is fixedly connected with a sliding column (264) on both upper and lower sides. The sliding column (264) is slidably connected inside the sliding groove 1 and is slidably sleeved with a sliding clamping plate (265) on the outer surface of the end away from the external threaded annular plate (263).

4. A vacuum cleaner battery pack sealing detection device according to claim 3, characterized in that: The outer surface of the plug-in tube (35) is provided with an annular groove (351), and one end of the sliding clamp (265) away from the sliding column (264) passes through the interior of the annular groove (351). The front side of the outer surface of the sliding clamp (265) is movably connected to a pulling rod (266), and the front end of the pulling rod (266) is movably connected to the front side of the inner wall of the sliding groove.

5. The vacuum cleaner battery pack sealing detection device according to claim 1, characterized in that: The fixing mechanism (33) comprises a knob (331), wherein the two knobs (331) are movably connected to the left and right sides of the mold body (31), respectively; a bevel gear 1 (332) is fixedly connected to one side of the knob (331) close to the mold body (31); movable grooves are provided on the left and right sides of the interior of the mold body (31); the bevel gear 1 (332) is movably connected to the interior of the movable groove and meshingly connected to a bevel gear 2 (333) below the outer surface.

6. A vacuum cleaner battery pack sealing detection device according to claim 5, characterized in that: The bottom end of the bevel gear 2 (333) is fixedly connected with a transmission screw (334), and the opposite surfaces of the two positioning blocks (32) are provided with a sliding groove 2. The bottom end of the transmission screw (334) penetrates into the interior of the sliding groove 2 and is threadedly connected with a threaded slider (335) on the outer surface. The outer surface of the threaded slider (335) is slidably connected with a U-shaped slide plate (336). A fixed slot is provided inside the plug-in slot, and one end of the U-shaped slide plate (336) away from the threaded slider (335) penetrates into the interior of the fixed slot.

7. A vacuum cleaner battery pack sealing detection device according to claim 6, characterized in that: The front and rear sides of the threaded sliding block (335) are fixedly connected to the limiting sliding block, the front and rear sides of the inner surface of the U-shaped sliding block (336) are provided with limiting sliding grooves, and the limiting sliding block is slidably connected inside the limiting sliding grooves.

8. A vacuum cleaner battery pack sealing detection device according to claim 7, characterized in that: The front and rear sides of the U-shaped slide plate (336) are fixedly connected with sliding blocks (337), the front and rear sides of the inner wall of the second sliding groove are provided with oblique sliding grooves (338), and the sliding block (337) is slidably connected inside the oblique sliding grooves (338).

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