Device for testing air tightness of plastic part
By designing a plastic parts airtightness testing device, which automatically detects whether plastic buckets have cracks using sealing components, water injection components, and detection components, the problem of low detection efficiency in existing technologies is solved, and efficient and comprehensive airtightness testing is achieved.
Patent Information
- Application Number
- CN202520395182.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-03-07
AI Technical Summary
In existing technologies, the airtightness testing of plastic buckets is inefficient. Workers need to constantly observe the surroundings of the bucket to avoid blind spots, which increases working time and reduces testing efficiency.
A device for testing the air tightness of plastic parts was designed, comprising a sealing component, a water injection component, and a detection component. It automatically detects whether there are cracks in the plastic bucket using a pressure sensor and an alarm, and guides the water flow through an annular guide plate and a metal inclined plate to alert for leaks.
It improves the efficiency of plastic bucket inspection, reduces blind spots in manual observation, enhances the practicality of the equipment, and ensures the comprehensiveness and efficiency of the inspection.
Smart Images
Figure CN223756258U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of plastic bucket air tightness detection, more particularly to a plastic part air tightness testing device. BACKGROUND
[0002] Plastic parts refer to various parts made of plastic materials, among which plastic buckets also belong to one kind of plastic parts, plastic buckets are usually made of polyethylene, polypropylene and other plastic materials through injection molding, blow molding and other processes, they have the advantages of light weight, corrosion resistance, easy cleaning, reusability and are widely used by the public.
[0003] The prior art has the following disadvantages: in the process of air tightness detection of the plastic bucket, water is usually injected into the plastic bucket inverted on the equipment, and the worker needs to observe whether the outer wall of the plastic bucket leaks water with the naked eye, but the worker's visual range is limited, so the worker cannot see whether the other side of the outer wall of the plastic bucket leaks water, and needs to closely observe the four sides of the bucket, which increases the working time of the worker, reduces the detection efficiency of the plastic bucket, reduces the practicability of the equipment, and is not conducive to actual application and operation. UTILITY MODEL CONTENT
[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a plastic part air tightness testing device to solve the problems existing in the above-mentioned background art.
[0005] The utility model provides the following technical scheme: a plastic part air tightness testing device, including workbench and plastic bucket, the top of workbench is fixedly installed with L shaped board, the inside of workbench is opened with first cavity, the inside of workbench and located first cavity's below are opened with second cavity, the top of L shaped board inboard and the top of workbench are provided with sealing assembly, the top of workbench and located sealing assembly's outside are provided with detection assembly, the inside of first cavity is provided with water injection assembly, the inside of first cavity and located water injection assembly's one side are provided with storage assembly;
[0006] The detection assembly comprises an annular groove, an annular guide plate, a ring box and a metal inclined plate, the annular groove is formed in the top of the workbench, the annular guide plate is fixedly installed on one side of the inner wall of the annular groove, the top end of the annular guide plate is in close contact with the outer side of the plastic bucket, the ring box is equidistantly and slidingly connected to the inside of the annular groove and below the annular guide plate, and the metal inclined plate is fixedly installed on one side of the inner wall of the ring box.
[0007] Preferably, the sealing assembly comprises a cylinder, an elastic pressing plate and a sealing ring, the cylinder is fixedly installed at the top of the inner side of the L-shaped plate, the elastic pressing plate is fixedly installed on the piston rod of the cylinder, and the sealing ring is fixedly installed at the top of the workbench and located at the inner side of the annular groove.
[0008] Preferably, the detection assembly further comprises two springs, a pressure sensor and an alarm, the two springs are equidistantly fixedly installed between the bottom of the ring box and the bottom of the inner wall of the annular groove, the pressure sensor is equidistantly fixedly installed at the bottom of the inner wall of the annular groove, located between the two springs and below the ring box, and the alarm is fixedly installed at the top of the workbench and located at one side of the L-shaped plate, and the pressure sensor is electrically connected with the alarm.
[0009] Preferably, the water injection assembly comprises a water pump, an input pipe and an output pipe, the water pump is fixedly installed at the bottom of the inner wall of the first cavity, the input pipe is fixedly installed on the input end of the water pump, the input pipe extends to the inside of the second cavity away from the water pump, the output pipe is fixedly installed on the output end of the water pump, and the output pipe extends to the inside of the sealing ring away from the water pump and penetrates through the inner wall of the workbench.
[0010] Preferably, the storage assembly comprises a tool box, a sliding groove and a sliding block, the sliding grooves are formed in the two sides of the inner wall of the first cavity, the sliding blocks are slidably connected in the sliding grooves, and the tool box is fixedly installed between the two sliding blocks.
[0011] Preferably, the cylinder, the pressure sensor, the water pump and the alarm are electrically connected with a control panel in the outside world, and the metal inclined plate is made of metal material.
[0012] The utility model discloses a plastic barrel detection device, which can detect whether the plastic barrel has cracks and can prevent the plastic barrel from being damaged.
[0013] The utility model discloses a plastic barrel detection device, which can detect whether the plastic barrel has cracks and can prevent the plastic barrel from being damaged.
[0014] The utility model discloses a plastic barrel detection device, which can detect whether the plastic barrel has cracks and can prevent the plastic barrel from being damaged. DRAWINGS
[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0016] Figure 2 This is a schematic diagram of the structure of the annular groove without any parts in the main cross-section view of this utility model.
[0017] Figure 3 This is a front sectional view of the workbench of this utility model.
[0018] Figure 4 This is a schematic diagram of the structure between the ring box and the metal inclined plate of this utility model.
[0019] Explanation of reference numerals in the attached figures:
[0020] 1. Workbench; 2. L-shaped plate; 3. Plastic bucket; 4. Cylinder; 5. Elastic pressure plate; 6. Sealing ring; 7. Annular groove; 8. Annular guide plate; 9. Ring box; 10. Metal inclined plate; 11. Spring; 12. Pressure sensor; 13. Alarm; 14. First cavity; 15. Second cavity; 16. Water pump; 17. Input pipe; 18. Output pipe; 19. Toolbox; 20. Slide; 21. Slider. Detailed Implementation
[0021] The following will be combined with the appendix Figure 1 To be continued Figure 4 The technical solutions in the embodiments of this utility model are clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.
[0022] It should be noted that, in the embodiments of this utility model, the directions shown in the accompanying drawings shall prevail, such as front and back. Figure 1 For the sake of accuracy, the specific details should be as follows: Figure 1 The left side is the front. Figure 1 The right side is the rear; at the same time, as Figure 2 As shown, the horizontal direction is roughly defined as left and right, and the vertical direction is defined as up and down. If a specific orientation changes, the directional indication will also change accordingly.
[0023] The utility model provides a kind of plastic piece air tightness testing device, including workbench 1 and plastic bucket 3, the top of workbench 1 is fixedly installed with L-shaped plate 2, the inside of workbench 1 is equipped with first cavity 14, the inside of workbench 1 and located below first cavity 14 is equipped with second cavity 15, the top of L-shaped plate 2 inside and the top of workbench 1 are provided with sealing assembly, the top of workbench 1 and located the outside of sealing assembly is provided with detection assembly, the inside of first cavity 14 is provided with water injection assembly, the inside of first cavity 14 and located the side of water injection assembly is provided with storage assembly, by setting sealing assembly, it is convenient to seal plastic bucket 3, prevent subsequent water injection assembly to appear gap penetration when adding water to plastic bucket 3, by setting water injection assembly, it is convenient to add water source to plastic bucket 3, control the flow direction of water, make the matting for subsequent detection assembly, by setting detection assembly, when plastic bucket 3 itself has no crack, the water level in plastic bucket 3 keeps consistent, when plastic bucket 3 itself appears crack, water will flow from crack, then follow the barrel wall of plastic bucket 3 and flow to detection assembly, so that detection assembly occurs alarm to remind staff, and plastic bucket 3 itself is not easy to be damaged, prevent staff from not seeing visual blind area on the other side of plastic bucket 3 with naked eye, improve the detection efficiency of plastic bucket 3, increase the practicability of equipment, be favorable to actual application and operation.
[0024] Further, sealing assembly includes cylinder 4, elastic pressing plate 5, sealing ring 6, cylinder 4 is fixedly installed at the top of L-shaped plate 2 inside, elastic pressing plate 5 is fixedly installed on the piston rod of cylinder 4, sealing ring 6 is fixedly installed at the top of workbench 1 and located the inside of annular groove 7, the top of plastic bucket 3 is inserted in sealing ring 6, the bottom of plastic bucket 3 and the bottom of elastic pressing plate 5 abut, first plastic bucket 3 is inverted on sealing ring 6, then drive cylinder 4, drive elastic pressing plate 5 to descend and extrude plastic bucket 3, prevent water source from flowing out from the barrel mouth of plastic bucket 3.
[0025] Further, water injection assembly includes water pump 16, input pipe 17 and output pipe 18, water pump 16 is fixedly installed at the bottom of the inner wall of first cavity 14, input pipe 17 is fixedly installed on the input end of water pump 16, the end away from water pump 16 of input pipe 17 extends to the inside of second cavity 15, output pipe 18 is fixedly installed on the output end of water pump 16, the end away from water pump 16 of output pipe 18 penetrates the inner wall of workbench 1 and extends to the inside of sealing ring 6, by driving water pump 16, the water in second cavity 15 is discharged to the inside of plastic bucket 3 through input pipe 17 and output pipe 18, make the matting for subsequent detection assembly.
[0026] Further, the detection assembly comprises the annular groove 7, the annular guide plate 8, the ring box 9, the metal inclined plate 10, the spring 11, the pressure sensor 12 and the alarm 13, the annular groove 7 is arranged on the top of the workbench 1, the annular guide plate 8 is fixedly installed on one side of the inner wall of the annular groove 7, the top end of the annular guide plate 8 is attached to the outer side of the plastic bucket 3, the ring box 9 is slidingly connected to the inside of the annular groove 7 and is located below the annular guide plate 8, the metal inclined plate 10 is fixedly installed on one side of the inner wall of the ring box 9, the two springs 11 are fixedly installed between the bottom of the ring box 9 and the bottom of the inner wall of the annular groove 7, the pressure sensor 12 is fixedly installed on the bottom of the inner wall of the annular groove 7 and is located between the two springs 11 and below the ring box 9, the alarm 13 is fixedly installed on the top of the workbench 1 and is located on one side of the L-shaped plate 2, the pressure sensor 12 is electrically connected with the alarm 13, when the plastic bucket 3 itself has no quality problem, the water level in the plastic bucket 3 remains unchanged, when the plastic bucket 3 itself has a crack, the water in the plastic bucket 3 flows to the outer barrel wall through the crack, then the water flows on the annular guide plate 8 along the outer barrel wall, then drips on the annular groove 7 along the inclined plate of the annular guide plate 8, makes a sound, initially reminds the staff that the plastic bucket 3 has a quality problem, when the water drops in the ring box 9 accumulate more and more, drive the ring box 9 to slide down on the annular groove 7, drive the spring 11 to deform, so that the ring box 9 touches the pressure sensor 12, the pressure sensor 12 changes in value, then controls the alarm 13 to alarm, secondly reminds the staff, prevents the staff from not being able to see the visual blind area on the other side of the plastic bucket 3 with naked eyes, and improves the work efficiency of detecting the plastic bucket 3.
[0027] Further, the storage assembly comprises the tool box 19, the sliding groove 20 and the sliding block 21, the sliding groove 20 is arranged on the inner wall of the first cavity 14, and the sliding block 21 is slidingly connected to the inside of the sliding groove 20, and the tool box 19 is fixedly installed between the two sliding blocks 21, the tool box 19 is manually slid, and the sliding blocks 21 on both sides of the tool box 19 are driven to slide in the sliding groove 20, so that the parts and tools related to the equipment can be conveniently stored.
[0028] Further, the cylinder 4, the pressure sensor 12, the water pump 16 and the alarm 13 are electrically connected with the control panel outside, the metal material is used as the material of the metal inclined plate 10, the electronic parts in the equipment are driven more quickly through the electrical connection, and the metal material is used as the material of the metal inclined plate 10, so that the water source can be conveniently dripped on the metal inclined plate 10 to make a sound.
[0029] The utility model discloses a working principle: first, the undetected plastic bucket 3 is placed on the sealing ring 6, so that the bucket mouth of plastic bucket 3 is clamped in the sealing ring 6, then drive cylinder 4, drive elastic pressing plate 5 to descend and extrude plastic bucket 3, prevent water from the bucket mouth of plastic bucket 3, then drive water pump 16, the water in the second cavity 15 is discharged to the inside of plastic bucket 3 through input pipe 17 and output pipe 18, so that water source is filled with the inside of plastic bucket 3, when plastic bucket 3 has no quality problem, the water level in plastic bucket 3 remains unchanged, when plastic bucket 3 has a crack, the water in plastic bucket 3 flows to the outer barrel wall through the crack, then water flows on annular guide plate 8 along the outer barrel wall, then drips on annular groove 7 along the inclined plate of annular guide plate 8, makes a sound, initially reminds staff that plastic bucket 3 has quality problem, when the water drop in ring box 9 is more and more, drive ring box 9 to slide down on annular groove 7, drive spring 11 to change shape, so that ring box 9 touches pressure sensor 12, pressure sensor 12 changes value, then control siren 13 to alarm, secondly remind staff, prevent staff from not seeing the visual blind area phenomenon of the other side of plastic bucket 3 with naked eyes, improve the work efficiency of detecting the air tightness of plastic bucket 3, increase the practicability of equipment, be favorable to practical application and operation.
[0030] According to the explanation and teaching of the above description, the skilled in the art of the utility model can also change and modify the above embodiment. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes of the utility model should fall within the protection scope of the claims of the utility model. In addition, although some specific terms are used in the specification, these terms are only for convenience of explanation and do not constitute any limitation on the utility model.
Claims
1. A device for testing the air tightness of plastic parts, comprising a worktable (1) and a plastic bucket (3), characterized in that: The top of the workbench (1) is fixedly provided with an L-shaped plate (2), the inside of the workbench (1) is provided with a first containing cavity (14), the inside of the workbench (1) and below the first containing cavity (14) is provided with a second containing cavity (15), the top of the inside of the L-shaped plate (2) and the top of the workbench (1) are provided with a sealing assembly, the top of the workbench (1) and outside the sealing assembly is provided with a detection assembly, the inside of the first containing cavity (14) is provided with a water injection assembly, one side of the inside of the first containing cavity (14) and the water injection assembly is provided with a storage assembly; The detection assembly comprises an annular groove (7), an annular guide plate (8), a ring box (9) and a metal inclined plate (10), the annular groove (7) is arranged on the top of the workbench (1), the annular guide plate (8) is fixedly arranged on one side of the inner wall of the annular groove (7), the top of the annular guide plate (8) is attached to the outside of the plastic bucket (3), the ring box (9) is slidingly connected to the inside of the annular groove (7) and below the annular guide plate (8), and the metal inclined plate (10) is fixedly arranged on one side of the inner wall of the ring box (9).
2. The device of claim 1, wherein: The sealing assembly comprises a gas cylinder (4), an elastic pressing plate (5) and a sealing ring (6), the gas cylinder (4) is fixedly arranged on the top of the inside of the L-shaped plate (2), the elastic pressing plate (5) is fixedly arranged on the piston rod of the gas cylinder (4), the sealing ring (6) is fixedly arranged on the top of the workbench (1) and the inside of the annular groove (7), the top of the plastic bucket (3) is inserted into the sealing ring (6), and the bottom of the plastic bucket (3) abuts against the bottom of the elastic pressing plate (5).
3. The device of claim 1, wherein: The detection assembly further comprises a spring (11), a pressure sensor (12) and an alarm (13), two springs (11) are fixedly arranged between the bottom of the ring box (9) and the bottom of the inner wall of the annular groove (7), the pressure sensor (12) is fixedly arranged on the bottom of the inner wall of the annular groove (7), between the two springs (11), below the ring box (9) and below the annular guide plate (8), and the alarm (13) is fixedly arranged on the top of the workbench (1) and one side of the L-shaped plate (2), and the pressure sensor (12) is electrically connected with the alarm (13).
4. The device of claim 1, wherein: The water injection assembly comprises a water pump (16), an input pipe (17) and an output pipe (18), the water pump (16) is fixedly arranged on the bottom of the inner wall of the first containing cavity (14), the input pipe (17) is fixedly arranged on the input end of the water pump (16), one end of the input pipe (17) away from the water pump (16) extends into the second containing cavity (15), the output pipe (18) is fixedly arranged on the output end of the water pump (16), and one end of the output pipe (18) away from the water pump (16) penetrates through the inner wall of the workbench (1) and extends into the inside of the sealing ring (6).
5. The device of claim 1, wherein: The storage assembly comprises a tool box (19), a sliding groove (20) and a sliding block (21), the sliding grooves (20) are arranged on the two sides of the inner wall of the first cavity (14), the sliding blocks (21) are slidably connected in the sliding grooves (20), and the tool box (19) is fixedly installed between the two sliding blocks (21).
6. The device of claim 2, wherein: The cylinder (4), the pressure sensor (12), the water pump (16) and the alarm (13) are electrically connected with the control panel outside, and the metal inclined plate (10) is made of metal material.