A toy airtightness detection device

Abstract

This utility model discloses a toy airtightness testing device, including a base box, a column vertically mounted on top of the base box by bolts, a pressing and piercing assembly mounted on the column, a toy positioning seat fixed to the surface of the base box by bolts and located below the pressing and piercing assembly, a toy to be tested placed on the toy positioning seat, an air intake pressure regulating assembly mounted on the side of the base box, a solenoid valve mounted on the back of the column and connected to the air intake pressure regulating assembly and the pressing and piercing assembly via a hose, a dynamic pressure gauge mounted on the side of the column and connected to the pressing and piercing assembly via a hose, and a pressure value setting display mounted on the side of the column and connected to the dynamic pressure gauge. This device, through integration, automation, and structural optimization, achieves efficient, accurate, and safe airtightness testing, is suitable for quality control in the toy manufacturing industry, and helps improve product qualification rate and production efficiency.

Description

Technical Field

[0001] This utility model specifically relates to a toy airtightness detection device. Background Technology

[0002] Currently, there are many types and styles of toys on the market. In order to increase the playability and fun of toys, toy manufacturers have designed injection-molded toy dolls to be able to be pressed to absorb and spray water, so that children can press the toy dolls to absorb and spray water when bathing or playing in water.

[0003] However, after injection molding, toy figurines may develop gaps and leak air due to various factors during the production process, making them unable to absorb water. Therefore, operators need to select them before packaging. Traditional inspection methods rely on manual pressing, immersion in water to observe bubbles, or the use of simple pressure gauges. The results are highly subjective, inefficient, and prone to misjudgment due to staff fatigue or experience differences. Therefore, it is necessary to design a toy airtightness inspection device that can help improve product qualification rate and production efficiency. Summary of the Invention

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a toy airtightness detection device.

[0005] The technical solution adopted by this utility model to solve its technical problem is:

[0006] A toy airtightness testing device includes a base box, a column vertically mounted on top of the base box by bolts, a pressing and piercing assembly mounted on the column, a toy positioning seat fixed to the surface of the base box by bolts and located below the pressing and piercing assembly, a toy to be tested placed on the toy positioning seat, an air intake pressure regulating assembly mounted on the side of the base box, a solenoid valve mounted on the back of the column and connected to the air intake pressure regulating assembly and the pressing and piercing assembly by a hose, a dynamic pressure gauge mounted on the side of the column and connected to the pressing and piercing assembly by a hose, and a pressure value setting display mounted on the side of the column and connected to the dynamic pressure gauge.

[0007] Preferably, the base box includes a base box body, a programmable controller fixedly installed inside the base box body and connected to a solenoid valve and a pressure value setting display, an open button, a running status indicator light, an emergency stop button, a lower pressure setting knob and a higher pressure setting knob fixedly installed at the front end of the base box body, and an alarm fixedly embedded on the top of the base box body. The open button, running status indicator light, emergency stop button, lower pressure setting knob, higher pressure setting knob and alarm are respectively connected to the programmable controller via wires.

[0008] Preferably, the column is a T-shaped column.

[0009] Preferably, the pressure puncture assembly includes a fixed plate, a hinge lug integrally formed on the upper part of the fixed plate, a positioning sleeve welded to the lower front end of the fixed plate, an L-shaped rod mounted on the hinge lug via a hinge shaft, an anti-slip sleeve fitted onto the upper end of the L-shaped rod, a linkage plate assembled on the lower end of the L-shaped rod via a hinge shaft, a movable column with external threads at its lower end mounted on the positioning sleeve, a hinge joint integrally formed on the upper end of the movable column and hinged to the linkage plate via a hinge shaft, a T-joint located at the lower end of the movable column and fixedly installed with the movable column, and a needle fixedly installed below the T-joint for puncturing the toy under test for pressure measurement.

[0010] Furthermore, a spacer cylinder is welded to the back of the fixing plate.

[0011] Furthermore, the tee connector is a hollow copper connector with an air inlet welded to one side, an air outlet welded to the other side, a needle mounting nozzle welded to the lower end, and a nut welded to the upper end.

[0012] Preferably, the intake pressure regulating assembly includes an air valve, an intake pressure gauge mounted on the side of the air valve, and an air delivery regulating knob mounted above the air valve.

[0013] The beneficial effects of this utility model are as follows:

[0014] 1. An automated closed-loop detection system was constructed using a programmable controller, solenoid valves, and a dynamic pressure gauge. The system can automatically execute the entire process of inflation, pressure holding, detection, and judgment. Standardized settings are achieved through a pressure value setting display, a lower pressure setting knob, and an upper pressure setting knob. The results are objectively judged by the equipment, eliminating human interference and ensuring the consistency and reliability of the test results.

[0015] 2. The use of a dynamic pressure gauge can monitor and report instantaneous changes in air pressure in real time, providing higher detection sensitivity for minute leaks. The air intake pressure regulating component provides a stable and precisely adjustable air source, ensuring consistent initial conditions for each test. In addition, the T-shaped column and the spacer cylinder work together to ensure precise alignment between the pressing and puncturing component and the toy positioning seat, avoiding poor puncture sealing due to component shaking or misalignment, which would affect the detection accuracy. Attached Figure Description

[0016] Figure 1 This is a structural diagram of a toy airtightness detection device according to the present invention;

[0017] Figure 2 for Figure 1 The front view;

[0018] Figure 3 for Figure 1 Side view;

[0019] Figure 4 for Figure 1 A top-down view of the bottom box's detailed structural diagram;

[0020] Figure 5 for Figure 1 Structural diagram of the pressure puncture component. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it. However, the embodiments are not intended to limit the present invention.

[0022] Example

[0023] like Figure 1-5 As shown, a toy airtightness testing device includes a base box 1, a column 2 vertically mounted on the top of the base box 1 by bolts, a pressing and piercing assembly 3 mounted on the column 2, a toy positioning seat 4 fixed to the surface of the base box 1 by bolts and located below the pressing and piercing assembly 3, a toy to be tested 5 placed on the toy positioning seat 4, an air intake pressure regulating assembly 6 mounted on the side of the base box 1, a solenoid valve 7 mounted on the back of the column 2 and connected to the air intake pressure regulating assembly 6 and the pressing and piercing assembly 3 by a hose, a dynamic air pressure gauge 8 mounted on the side of the column 2 and connected to the pressing and piercing assembly 3 by a hose, and an air pressure value setting display 9 mounted on the side of the column 2 and connected to the dynamic air pressure gauge 8.

[0024] The base box 1 includes a base box body 11, a programmable controller 12 fixedly installed inside the base box body 11 and connected to a solenoid valve 7 and a pressure setting display 9, an open button 13, a running status indicator 14, an emergency stop button 15, a lower pressure setting knob 16, and a higher pressure setting knob 17 fixedly installed at the front end of the base box body 11, and an alarm 18 fixedly embedded on the top of the base box body 11. The open button 13, the running status indicator 14, the emergency stop button 15, the lower pressure setting knob 16, the upper pressure setting knob 17, and the alarm 18 are all connected to the programmable controller 12 via wires.

[0025] In this embodiment, the alarm 18 is a device that integrates a flashing light and a buzzer, which can flash and buzz to alert the user after detecting that the air pressure of the toy 5 under test cannot meet the air pressure value within a specified time.

[0026] It should be further explained that the programmable controller 12, as the core control unit, can automate the testing process, such as controlling the switching of the solenoid valve 7 and processing air pressure data, thereby improving the accuracy and consistency of the testing. Through the start button 13, the running status indicator 14, and the emergency stop button 15, the operator can easily start, stop, and monitor the testing process, enhancing operational safety. The emergency stop button can immediately stop the device in an emergency to prevent accidents. The lower pressure setting knob 16 and the upper pressure setting knob 17 allow users to customize the air pressure range according to the toy's specifications, making the device adaptable to various testing standards and improving flexibility. The alarm 18 sounds an alarm when the air pressure of the toy 5 under test is lower than the set lower pressure limit after 5-7 seconds of inflation, promptly reminding the operator and reducing the risk of defective products being released.

[0027] Column 2 is a T-shaped column, which specifically improves the structural stability of column 2.

[0028] The press-and-puncture assembly 3 includes a fixed plate 301, a hinge ear 302 integrally formed on the upper part of the fixed plate 301, a positioning sleeve 303 welded to the lower front end of the fixed plate 301, an L-shaped rod 304 mounted on the hinge ear 32 via a hinge shaft, an anti-slip sleeve 305 fitted on the upper end of the L-shaped rod 304, a linkage plate 306 assembled on the lower end of the L-shaped rod 304 via a hinge shaft, a movable column 307 with external threads at the lower end, mounted on the positioning sleeve 303, a hinge joint 308 integrally formed on the upper end of the movable column 307 and hinged to the linkage plate 306 via a hinge shaft, a three-way connector 309 located at the lower end of the movable column 307 and fixedly installed with the movable column 307, and a needle 310 fixedly installed below the three-way connector 309 for puncturing the toy 5 to be tested for pressure measurement.

[0029] It should be further explained that the L-shaped rod 304 and the linkage plate 306 form a lever mechanism, which makes the pressing operation less strenuous, reduces operator fatigue, and ensures uniform and controllable puncture force. The cooperation between the positioning sleeve 303 and the movable column 307 ensures that the needle 310 moves vertically, avoids deflection, and accurately punctures the toy 5 under test, improving detection accuracy. The use of the hinge joint 308 allows the movable column 307 and the linkage plate 306 to be flexibly hinged to adapt to different pressing angles, enhancing the adaptability of the components. In addition, the anti-slip sleeve 305 improves the operator's grip comfort, prevents slippage, and ensures operational safety.

[0030] A spacer cylinder 3011 is welded to the back of the fixing plate 301. Specifically, the fixing plate 301 is supported by the spacer cylinder 3011, which enables the entire pressing and piercing assembly 3 to be aligned with the toy 5 to be tested on the toy positioning seat 4 for piercing detection.

[0031] The three-way connector 309 is a hollow copper connector. One side is welded to an air inlet 3091, and the other side is welded to an air outlet 3092. The lower end is welded to a needle mounting nozzle 3093, and the upper end is welded to a nut 3094. Specifically, the three-way connector 309 is fixed by the nut 3094 engaging with the external thread at the lower end of the movable column 307. The air inlet 3091 is connected to the solenoid valve 7 via a hose, and the air outlet 3092 is connected to the dynamic pressure gauge 8 via a hose.

[0032] The intake pressure regulating assembly 6 includes an air valve 61, an intake pressure gauge 62 mounted on the side of the air valve 61, and an air delivery adjustment knob 63 mounted above the air valve 61. Specifically, the air inlet of the air valve 61 is connected to an air tank or air delivery device via a hose, and the air outlet of the air valve 61 is connected to a solenoid valve 7 via a hose.

[0033] It should be further explained that the gas supply adjustment knob 63 allows users to finely adjust the input air pressure, and the air pressure gauge 62 displays the air pressure value in real time to ensure that the detection pressure meets the set requirements, thereby improving detection accuracy. The air valve 61 controls the gas flow to prevent accidental overpressure and protects the toy under test 5 and the pressure puncture component 3. The air pressure gauge provides visual feedback to help the operator monitor the air supply status.

[0034] The entire device operates under the unified command of a programmable controller, powered by a closed pneumatic system. Its core principle is to inject gas at a certain pressure into the sealed test toy 5, then cut off the gas supply and monitor the internal pressure. If the pressure drops beyond the allowable range, the toy is deemed to have failed the airtightness test.

[0035] The specific process is as follows:

[0036] Phase 1: Preparation and Launch

[0037] Placement of workpiece: The operator places the toy 5 to be tested on the dedicated toy positioning seat 4, ensuring that the part to be tested is facing upwards and aligned with the needle 310 above;

[0038] Parameter setting: The air pressure range of the qualified product is set by using the lower limit air pressure setting knob 16 and the upper limit air pressure setting knob 17. This range will be recorded by the programmable controller 12.

[0039] Start-up test: Press the start button 13. The running status indicator 14 will light up, indicating that the device is ready and waiting for the next operation.

[0040] Phase Two: Puncture and Inflation

[0041] Performing puncture: The operator presses down on the L-shaped rod 304 of the puncture assembly 3. Through the lever principle, this downward pressure will push the movable column 307 to move vertically downward in the positioning sleeve 303, eventually causing the needle 310 fixed at the bottom to pierce the air inlet or a specific part of the toy 5 to be tested.

[0042] Establishing a seal: After the needle 310 is inserted, a temporary seal will be formed between the needle and the toy under the continuous pressure of the lever;

[0043] Opening the air circuit: When the pressing action is completed, the operator presses another start button to notify the programmable controller 12, which then sends a signal to the solenoid valve 7 to open it;

[0044] Gas filling: Compressed air from an external air source passes through the air intake pressure regulating component 6 (the initial pressure is controlled by the air valve 61 and the air supply regulating knob 63, and monitored by the air intake pressure gauge 62), then flows through the open solenoid valve 7, enters the air intake nozzle 3091 of the three-way connector 309 through the hose, and finally is injected into the inside of the toy 5 under test through the needle 310.

[0045] Phase 3: Pressure Holding and Testing

[0046] Shutting off the air supply and entering the pressure holding phase: When the dynamic pressure gauge 8 detects that the internal air pressure of the toy has reached the preset test pressure value, usually the upper limit, the programmable controller 12 will immediately send a signal to close the solenoid valve 7. At this time, the external air supply is cut off, and the toy under test 5, the three-way connector 309, the connecting hose and the sensor of the dynamic pressure gauge 8 together form a closed "pressure holding system".

[0047] Real-time monitoring: During the pressure holding process that lasts for 5-7 seconds, the dynamic barometer 8 continuously and frequently monitors the pressure changes in this closed system and transmits the real-time data to the programmable controller 12 and the pressure value setting display 9 for display.

[0048] Phase 4: Judgment and Result Output

[0049] Data analysis and judgment: The programmable controller 12 compares the air pressure data during the pressure holding phase with the previously set upper and lower limit parameters;

[0050] Acceptable condition: If the air pressure value remains within the set acceptable range during the pressure holding time, for example, the drop is very small and does not fall below the lower limit, then the toy is judged to have good airtightness.

[0051] Non-compliance: If the air pressure value continues to drop below the lower limit during the pressure holding time, the toy is judged to have a leak and its airtightness is not up to standard.

[0052] Output results:

[0053] Pass: Programmable controller 12 did not cause alarm 18 to flash or sound.

[0054] Failure: Programmable controller 12 activates alarm 18, emitting a continuous buzzing sound or flashing light to alert the operator to the presence of defective products;

[0055] Reset: The operator lifts the L-shaped lever 304, the needle 310 is withdrawn from the toy, the tested toy is removed, and the equipment returns to the ready state, waiting for the next testing cycle.

[0056] The above embodiments of this utility model are not intended to limit the scope of protection of this utility model. The implementation of this utility model is not limited thereto. All other modifications, substitutions or alterations made to the above structure of this utility model based on the above content of this utility model and in accordance with the common technical knowledge and conventional means in the field, without departing from the basic technical idea of ​​this utility model, shall fall within the scope of protection of this utility model.

Claims

1. A toy air tightness detection device, characterized in that, The device includes a base box, a column vertically mounted on top of the base box by bolts, a pressing and puncturing assembly mounted on the column, a toy positioning seat fixed to the surface of the base box by bolts and located below the pressing and puncturing assembly, a toy to be tested placed on the toy positioning seat, an air intake pressure regulating assembly mounted on the side of the base box, a solenoid valve mounted on the back of the column and connected to the air intake pressure regulating assembly and the pressing and puncturing assembly by a hose, a dynamic pressure gauge mounted on the side of the column and connected to the pressing and puncturing assembly by a hose, and a pressure setting display mounted on the side of the column and connected to the dynamic pressure gauge.

2. The toy air tightness detection apparatus according to claim 1, wherein The base box includes a base box body, a programmable controller fixedly installed inside the base box body and connected to a solenoid valve and a pressure value setting display, an open button, a running status indicator light, an emergency stop button, a lower pressure setting knob and a higher pressure setting knob fixedly installed at the front of the base box body, and an alarm fixedly embedded on the top of the base box body. The open button, running status indicator light, emergency stop button, lower pressure setting knob, higher pressure setting knob and alarm are respectively connected to the programmable controller via wires.

3. The toy air tightness detection apparatus of claim 1, wherein The columns are T-shaped.

4. The toy air tightness detection apparatus of claim 1, wherein The pressure puncture assembly includes a fixed plate, a hinge lug integrally formed on the upper part of the fixed plate, a positioning sleeve welded to the lower front end of the fixed plate, an L-shaped rod mounted on the hinge lug via a hinge shaft, an anti-slip sleeve fitted onto the upper end of the L-shaped rod, a linkage plate assembled on the lower end of the L-shaped rod via a hinge shaft, a movable column with external threads at its lower end mounted on the positioning sleeve, a hinge joint integrally formed on the upper end of the movable column and hinged to the linkage plate via a hinge shaft, a T-joint located at the lower end of the movable column and fixedly installed therewith, and a needle fixedly installed below the T-joint for puncturing the toy under test for pressure measurement.

5. The toy air tightness detection apparatus according to claim 4, wherein A spacer cylinder is welded to the back of the fixing plate.

6. The toy air tightness detection apparatus according to claim 4, wherein The tee connector is a hollow copper connector with an air inlet welded to one side, an air outlet welded to the other side, a needle mounting nozzle welded to the lower end, and a nut welded to the upper end.

7. The toy air tightness detection apparatus of claim 1, wherein The intake pressure regulating assembly includes an air valve, an intake pressure gauge mounted on the side of the air valve, and an air delivery regulating knob mounted above the air valve.

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