Air tightness detection device for sensor box of scrubber

Abstract

The invention discloses a scrubber sensor box air tightness detection device, and relates to the technical field of air tightness detection devices.The scrubber sensor box air tightness detection device comprises a detection box body, a main machine box body, a box cover, a plug pin and a second air cylinder interface, a soaking structure is arranged above the detection box body, and the soaking structure comprises the main machine box body, a motor, a guide rod, a lead screw and a bearing frame; the motor is installed on the inner side of the main machine box body, the lead screw is installed below the motor, the lead screw is installed at the top of the bearing frame, the guide rods are arranged below the main machine box body, and the four guide rods distributed in a rectangular shape below the main machine box body are matched with a bottom metal plate to provide precise guide for lifting of the bearing frame; the coaxial connection design of the motor and the lead screw can ensure the stable lifting of the bearing frame.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of air tightness detection devices, in particular to a washing machine sensor box air tightness detection device. BACKGROUND

[0002] The washing machine sensor box air tightness detection device is a professional equipment for detecting the sealing performance of a washing machine sensor box, judging whether the sensor box has air leakage, and ensuring that the sensor is not affected by water vapor, dust and other impurities during work. However, the existing washing machine sensor box air tightness detection device has some problems, for example: The washing machine sensor box air tightness detection device disclosed in the application number CN202323331684.7 is provided with a surrounding baffle, a cover plate and a positioning seat. The surrounding baffle is in the shape of "n" when viewed from above, and has an opening on one side. The cover plate is hingedly connected to the top of the surrounding baffle and has an "L" shaped cross section. The cover plate has a bent plate corresponding to the opening. This design effectively eliminates the personal safety risk problem of the washing machine sensor box during air tightness detection; However, the equipment does not have precise lifting structures such as motor-screw rod transmission systems and guide rods, and cannot realize quantitative adjustment and precise control of the immersion depth. This may cause the immersion depth of the sensor box in the liquid to be inconsistent in different detection scenarios, affecting the uniformity of bubble observation and the reliability of the detection results. SUMMARY

[0003] The purpose of the present application is to provide a washing machine sensor box air tightness detection device to solve the problem that the existing equipment on the market does not have precise lifting structures such as motor-screw rod transmission systems and guide rods, and cannot realize quantitative adjustment and precise control of the immersion depth, which may cause the immersion depth of the sensor box in the liquid to be inconsistent in different detection scenarios, affecting the uniformity of bubble observation and the reliability of the detection results.

[0004] To achieve the above purpose, the present application provides the following technical scheme: a washing machine sensor box air tightness detection device, comprising a detection box body, a main box body, a box cover, a latch and a second cylinder interface; The immersion structure is arranged above the detection box body, and comprises a main box body, a motor, a guide rod, a screw rod and a bearing frame. The motor is installed on the inner side of the main box body. The screw rod is installed below the motor and on the top of the bearing frame. The guide rod is arranged below the main box body.

[0005] As a preferred technical scheme of the present application, four supporting legs are integrally cast below the detection box, and the supporting legs are all square columns, the bottom surface of the detection box is provided with inclined surfaces in three directions, and the lowest surface of the bottom of the detection box is connected with a drainage pipe, the drainage pipe is of L-shaped structure, and the drainage pipe is provided with a hexagonal sealing cover, a proper amount of pure water is arranged in the detection box to serve as a detection solution, and the detection box is fixedly connected to the side of the detection box; By adopting the above technical scheme, the four square column supporting legs are integrally cast below the detection box, which can enhance the stability of the device and avoid shaking during detection; the inclined surfaces are arranged on the bottom surface in three directions, which can make the detection solution converge to the lowest surface and be discharged through the L-shaped drainage pipe, and the hexagonal sealing cover can prevent water leakage and facilitate sewage cleaning; the pure water arranged in the detection box as the detection solution can avoid the influence of impurities on bubble observation, and ensure the accuracy of the air tightness detection result.

[0006] As a preferred technical scheme of the present application, the detection box is fixedly connected to the main box above, and a wire inlet groove is arranged at the connection between the main box and the detection box, the wire inlet groove is of U-shaped structure, and the edges of the wire inlet groove are all rounded; By adopting the above technical scheme, the U-shaped wire inlet groove is arranged at the connection between the detection box and the main box, and the edges are rounded, which can not only provide regular cabling space for cables and avoid entanglement, but also prevent the cables from being abraded by sharp edges, improve the safety of the device and the service life of the cables, and facilitate later cable maintenance and replacement.

[0007] As a preferred technical scheme of the present application, the main box is provided with heat dissipation holes on one side, and a box cover is hingedly connected to one side of the main box, the box cover and the main box are penetrated by a latch to be fixed, and a sealing ring is arranged on the connection surface between the main box and the box cover; By adopting the above technical scheme, the heat dissipation holes are arranged on one side of the main box, which can dissipate the heat generated by the operation of components such as the motor in time to prevent overheating and damage of the equipment; the box cover is fixed to the main box by the latch, and the sealing ring is arranged on the connection surface, which can not only ensure the stability of the box cover when closed, but also enhance the sealing property of the main box to prevent water vapor and dust from entering the interior and affecting the work of electronic components.

[0008] As a preferred technical scheme of the present application, a display screen is fixedly connected to the middle line position of the side surface of the box cover, and buttons are fixedly connected in parallel below the display screen, the buttons are used to adjust equipment parameters, and the display screen and the buttons are both of waterproof structure; By adopting the above technical scheme, the waterproof display screen and the buttons are fixedly connected to the middle line position of the side surface of the box cover, which is convenient for the operator to view and adjust the equipment parameters, the waterproof structure can prevent water vapor or splashing water from damaging electrical components during detection, ensure the reliability of the human-machine interface, and the parallel layout of the buttons and the display screen conforms to ergonomics, and the operation is more convenient.

[0009] As a preferred technical scheme of the present application, the guide rods are fixedly connected below the main box body, and the four guide rods are distributed in a rectangular shape, and a rectangular metal plate is arranged at the bottom of the guide rods. By adopting the above technical scheme, four guide rods distributed in a rectangular shape are fixed below the main box body, and a rectangular metal plate is arranged at the bottom of the guide rods, which can provide accurate guidance for the lifting of the bearing frame, ensure smooth movement of the bearing frame in the vertical direction, avoid shaking to affect the position accuracy of the sensor box immersed in water, and increase the contact area of the guide rods and the detection box body to enhance the structural stability.

[0010] As a preferred technical scheme of the present application, the motor is fixedly connected at the center line position of the inner wall of the main box body, and the output shaft of the motor is fixedly connected with the lead screw. By adopting the above technical scheme, the motor is installed at the center line position of the inner wall of the main box body, and the output shaft of the motor is fixedly connected with the lead screw, which can uniformly transmit the driving force of the motor to the lead screw, reduce transmission error, ensure the stability and accuracy of the rotation of the lead screw, and thus realize smooth and controllable lifting of the bearing frame, thereby providing a reliable mechanical transmission basis for air tightness detection.

[0011] As a preferred technical scheme of the present application, the lead screw is threadedly connected with the bearing frame below, and the guide rods are slidingly connected with the bearing frame, a pair of first cylinder interfaces are fixedly connected to the upper surface of the bearing frame, the first cylinder interfaces are communicated with pneumatic telescopic rods, the pneumatic telescopic rods are vertically connected to the side edges of the bearing frame, and rectangular grooves are formed in the side surfaces of the pneumatic telescopic rods. By adopting the above technical scheme, the lead screw is threadedly connected with the bearing frame, and the guide rods are slidingly connected with the bearing frame, which can convert the rotary motion of the motor into vertical linear motion of the bearing frame; the first cylinder interfaces on the upper surface of the bearing frame are communicated with the pneumatic telescopic rods, and rectangular grooves are formed in the side surfaces of the pneumatic telescopic rods, which can fix and clamp the sensor box through the extension and contraction of the pneumatic telescopic rods, and can also realize multi-angle limiting of the sensor box by cooperation of the grooves and the fixing heads, thereby preventing shaking during detection and improving detection accuracy.

[0012] As a preferred technical scheme of the present application, the screw rods are fixedly connected to the side edges of the bearing frame, the four screw rods are symmetrically distributed in a group, the end point portions of the screw rods are threaded structures, and the remaining portions of the screw rods are round rods. By adopting the above technical scheme, the four screw rods fixed to the side edges of the bearing frame are symmetrically distributed in a group, the end point portions of the screw rods are threaded structures, and the remaining portions of the screw rods are round rods, which can fix the bearing plate to the screw rods through bolts; by adjusting the position of the bearing plate on the screw rods, the device can be adapted to sensor boxes of different sizes, thereby improving the versatility of the device, and the round rod portions can reduce the frictional resistance when the bearing plate moves, making the adjustment process more convenient.

[0013] As a preferred technical scheme of the present application, the screw side edge is sleeved with a bearing plate, and a bolt is arranged to fix the bearing plate, a fixed head is fixed at the intersection of the diagonal lines of the bearing plate by the bolt, the side edge of the fixed head is provided with a same rectangular groove as the side surface of the pneumatic telescopic rod, a second air cylinder interface is vertically fixed above the left side of the fixed head, a fixed frame is fixedly connected below the right side of the fixed head, and the first air cylinder interface and the second air cylinder interface are both provided with an external air supply device. By adopting the above technical scheme, the bearing plate is fixed to the screw by the bolt, the side edge of the fixed head at the intersection of the diagonal lines is provided with a same rectangular groove as the pneumatic telescopic rod, the second air cylinder interface on the left side can be connected to an air source to drive the fixed head to move, and the fixed frame on the right side cooperates with the pneumatic telescopic rod to form a clamping structure; the design can not only quickly clamp the sensor box by the power of the air cylinder, but also can enhance the clamping stability by the groove to ensure that the position of the sensor box is fixed during the water immersion detection, and the observation error of the bubbles caused by displacement is avoided.

[0014] Compared with the prior art, the present application has the following advantages: 1. Four square column support legs are integrally cast below the detection box body, which can enhance the stability of the device and avoid shaking during detection; inclined surfaces are arranged in three directions on the bottom surface, which can make the detection solution converge to the lowest surface and be discharged through the L-shaped drainage pipe, and the six-sided sealing cover can prevent water leakage and facilitate sewage cleaning; pure water is arranged in the detection box body as the detection solution, which can avoid the influence of impurities on bubble observation and ensure the accuracy of the air tightness detection result; 2. A U-shaped wire inlet groove is arranged at the connection between the detection box body and the main box body, and the edge is rounded, which can not only provide a regular cabling space for the cable and avoid entanglement, but also prevent the cable from being abraded by sharp edges, improve the safety of the device and the service life of the cable, and facilitate later cable maintenance and replacement; 3. A heat dissipation hole is arranged on one side of the main box body, which can dissipate heat generated during the operation of the motor and other components in time to prevent overheating and damage to the equipment; the box cover is fixed to the main box body by a latch, and a sealing ring is arranged on the connection surface, which can not only ensure the stability of the box cover when it is closed, but also enhance the sealing performance of the main box body to prevent water vapor and dust from entering the interior and affecting the work of the electronic components; 4. A waterproof display screen and a button are fixed at the middle line position of the side surface of the box cover, which can facilitate the operator to view and adjust the equipment parameters, the waterproof structure can prevent the water vapor or splashing water from damaging the electrical components during detection, ensure the reliability of the human-machine interface, and the parallel layout of the button and the display screen conforms to the ergonomics, and the operation is more convenient; 5. The four rectangularly distributed guide rods under the main box body cooperate with the bottom metal plate to provide accurate guidance for the lifting of the bearing frame; the coaxial connection design of the motor and the lead screw can ensure the stable lifting of the bearing frame; the first cylinder interface, the pneumatic telescopic rod on the bearing frame, and the groove structure of the fixed head cooperate to enable the sensor box to be clamped and fixed at multiple angles through the power of the cylinder, and the adjustable design of the screw rod and the bearing plate can adapt to sensor boxes of different sizes, ensure the position fixed during detection, and avoid displacement caused by bubble observation error. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a side view structure schematic diagram of the application; Figure 2 It is a box cover and latch structure schematic diagram of the application; Figure 3 It is a main box body and box cover structure schematic diagram of the application; Figure 4 It is a guide rod and lead screw structure schematic diagram of the application; Figure 5 It is a wire inlet slot and drain pipe structure schematic diagram of the application; Figure 6 It is a bearing frame and first cylinder interface structure schematic diagram of the application; Figure 7 It is a fixed frame and pneumatic telescopic rod structure schematic diagram of the application; Figure 8 It is a fixed head and fixed frame structure schematic diagram of the application; Figure 9 It is a bearing frame and first cylinder interface structure schematic diagram of the application; Figure 10 It is a first cylinder interface and screw rod structure schematic diagram of the application.

[0016] In the figure: 1, detection box body; 2, main box body; 3, box cover; 4, latch; 5, display screen; 6, button; 7, control panel; 8, heat dissipation hole; 9, wire inlet slot; 10, drain pipe; 11, motor; 12, guide rod; 13, lead screw; 14, bearing frame; 15, first cylinder interface; 16, screw rod; 17, bearing plate; 18, fixed head; 19, fixed frame; 20, pneumatic telescopic rod; 21, second cylinder interface. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the application.

[0018] Please refer toFigures 1-10 The technical scheme of the present application: a kind of scrubber sensor box airtightness detection device, including detection box 1, main machine box 2, lid 3, bolt 4, display screen 5, button 6, control panel 7, heat dissipation hole 8, wire slot 9, drain pipe 10, motor 11, guide rod 12, screw rod 13, bearing frame 14, first cylinder interface 15, screw 16, bearing plate 17, fixed head 18, fixed frame 19, pneumatic telescopic rod 20 and second cylinder interface 21; Detection box 1 below is realized stable support by four square column support leg, inhibits the shaking in detection process;Bottom three-way inclined plane and L-shaped drain pipe 10 constitute a drainage system, cooperate with hexagonal sealing cover to realize the efficient discharge and sealing of detection solution, avoid impurity interference, pure water is used as detection medium in the box, ensure the accuracy of bubble detection; U-shaped wire slot 9 at the junction of detection box 1 and main machine box 2 is treated with round corner, provides regular wiring space for cable, avoids entanglement and wear, at the same time meets waterproof and dustproof requirements, improves equipment durability and maintenance convenience; Main machine box 2 heat dissipation hole 8 optimized layout, timely dissipate motor 11 operating heat;Lid 3 is fixed by bolt 4 and sealing ring double structure, forms sealed space, prevents water vapor, dust from invading, guarantees the stable work of internal electronic components; Waterproof display screen 5 and button 6 on the surface of lid 3 meet the ergonomic layout, facilitate parameter adjustment and state checking, waterproof structure ensures reliable operation in humid environment, improves man-machine interaction safety; Guide rod 12 and bearing frame 14 below main machine box 2 constitute precision transmission mechanism, motor 11 drives bearing frame 14 to lift stably through screw rod 13;Pneumatic telescopic rod 20 cooperates with fixed head 18 to form clamping structure, adjustable design of screw 16 and bearing plate 17 adapts to different size sensor box, access to gas source through first cylinder interface 15 and second cylinder interface 21 to realize rapid clamping, ensure the position of workpiece fixed during detection, improve detection accuracy and efficiency.

[0019] Working principle: when using a kind of scrubber sensor box airtightness detection device, the scrubber sensor box to be detected is placed on fixed frame 19, by the rectangular recess clamping structure of pneumatic telescopic rod 20 and fixed head 18, gas source is accessed by first cylinder interface 15 and second cylinder interface 21, drive cylinder to retract to clamp sensor box, ensure the position fixed during detection; Adjust detection parameters such as immersion depth, detection time etc. by waterproof button 6 on lid 3, parameter is displayed on display screen 5 in real time, start motor 11 after confirmation; The motor 11 drives the screw rod 13 to rotate. Since the screw rod 13 is threadedly connected with the bearing frame 14, and the guide rod 12 is slidably connected with the bearing frame 14, the bearing frame 14 vertically descends along the guide rod 12 to immerse the sensor box into the pure water in the detection box 1. At this time, it is observed whether there is bubble on the surface of the sensor box. If there is bubble, it indicates that the air tightness is poor, otherwise, the air tightness is good. After the detection is completed, the motor 11 reversely drives the bearing frame 14 to ascend to move the sensor box out of the water surface. The hexagonal sealing cover of the drain pipe 10 is opened. The three-way inclined surface structure on the bottom surface of the detection box 1 is used to make the pure water in the box converge and be discharged through the L-shaped drain pipe 10 to complete one detection cycle.

[0020] Thus, a series of work is completed. The contents not described in detail in the specification belong to the prior art known by the person skilled in the art.

[0021] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A kind of washer sensor box airtightness detection device, including detection box (1), box cover (3), first cylinder interface (15) and screw rod (16);Its characterized in that: The detection box (1) is provided with a water immersion structure above it, which comprises a main box (2), a motor (11), a guide rod (12), a lead screw (13) and a bearing frame (14), the motor (11) is installed on the inner side of the main box (2), the lead screw (13) is installed below the motor (11), and the lead screw (13) is installed on the top of the bearing frame (14), the guide rod (12) is arranged below the main box (2).

2. The air tightness detection device for a sensor box of a scrubber according to claim 1, characterized in that, The detection box (1) is integrally cast with four supporting legs below it, and the supporting legs are all square columns, the bottom surface of the detection box (1) is provided with inclined surface structures in three directions, and the lowest surface of the bottom of the detection box (1) is connected with a drain pipe (10), the drain pipe (10) is an L-shaped structure, and the drain pipe (10) is provided with a hexagonal sealing cover, the detection box (1) is provided with an appropriate amount of pure water as a detection solution, and the detection box (1) is fixedly connected with the detection box (1) on the side.

3. The air tightness detection device for a sensor box of a scrubber according to claim 1, characterized in that, The detection box (1) is fixedly connected with the main box (2) above it, and an inlet slot (9) is formed at the connection between the main box (2) and the detection box (1), the inlet slot (9) is a U-shaped structure, and the edges of the inlet slot (9) are all rounded.

4. The air tightness detection device for a sensor box of a scrubber according to claim 1, characterized in that, The main box (2) is uniformly provided with a plurality of heat dissipation holes (8) on one side, the main box (2) is hingedly connected with a box cover (3) on one side, the box cover (3) and the main box (2) are penetrated by a latch (4) on the same side to be fixed, and the main box (2) and the box cover (3) are provided with sealing rings on the connecting surfaces.

5. The air tightness detection device for a sensor box of a scrubber according to claim 1, characterized in that, The box cover (3) is fixedly connected with a display screen (5) at the middle line position of the side surface, a plurality of buttons (6) are fixedly connected in parallel below the display screen (5), the buttons (6) are used to adjust the equipment parameters, and the display screen (5) and the buttons (6) are all waterproof structures.

6. The air tightness detection device for a sensor box of a scrubber according to claim 1, characterized in that, The main box (2) is fixedly connected with the guide rod (12) below it, the guide rod (12) is four in number and is distributed in a rectangular shape, and the bottom of the guide rod (12) is provided with a rectangular metal plate.

7. The air tightness detection device for a sensor box of a scrubber according to claim 1, characterized in that, The main box (2) is fixedly connected with the motor (11) at the middle line position of the inner wall, and the output shaft below the motor (11) is fixedly connected with the lead screw (13).

8. The air tightness detection device for a sensor box of a scrubber according to claim 1, characterized in that, The lead screw (13) is threadedly connected with the bearing frame (14) below it, and the guide rod (12) is slidably connected with the bearing frame (14), a pair of first cylinder interfaces (15) are fixedly connected to the upper surface of the bearing frame (14), the first cylinder interfaces (15) are connected with pneumatic telescopic rods (20), and the pneumatic telescopic rods (20) are vertically connected to the side edges of the bearing frame (14), and the pneumatic telescopic rods (20) are provided with rectangular grooves on the side surfaces.

9. The air tightness detection device for a sensor box of a scrubber according to claim 1, characterized in that, The bearing frame (14) is fixedly connected with a screw rod (16) on the side edge, the four screw rods (16) are symmetrically distributed in a group, the end portions of the screw rods (16) are threaded structures, and the remaining portions of the screw rods (16) are round rods.

10. The air tightness detection device for a sensor box of a scrubber according to claim 1, characterized in that, The screw rod (16) is sleeved with a bearing plate (17) and is provided with bolts for fixation, the bearing plate (17) is fixed with a fixed head (18) at the intersection of diagonals, the fixed head (18) is provided with a same rectangular groove on the side surface of a pneumatic telescopic rod (20), a second cylinder interface (21) is vertically fixed on the left upper side of the fixed head (18), a fixed frame (19) is fixedly connected to the right lower side of the fixed head (18), and the first cylinder interface (15) and the second cylinder interface (21) are both provided with an external gas supply device.

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