Air tightness detection device

Abstract

The utility model discloses an air tightness detection device which comprises a base, a base of a vacuum cup is arranged on the base, a support is arranged on the base, a machine box is arranged on the support and comprises a vacuum exhaust pipe set, a lifting set, sealing silica gel, a sealing assembly and an air pressure module, and the air pressure module is arranged on the machine box. According to the vacuum cup sealing device, the cup opening of the vacuum cup can be sealed through the sealing silica gel, so that the sealing effect can be well improved, a part of the sealing silica gel can be tightly pressed on the outer wall of the cup opening of the vacuum cup through the sealing assembly, the sealing silica gel can be tightly pressed on the outer wall of the cup opening of the vacuum cup, and therefore the sealing effect is improved. Therefore, the contact area between the sealing silica gel and the cup opening of the vacuum cup can be increased, the sealing effect is further improved, and the accuracy of test data can be ensured.

Description

Technical Field

[0001] The utility model relates to the field of airtightness detection equipment, in particular to an airtightness detection device. Background Art

[0002] Water cups are commonly used daily necessities, mainly used for holding water. For water cups that can keep warm, their heat preservation performance mainly depends on the material of the cup body, structural design, and airtightness. In terms of airtightness, especially for water cups made of steel, the bottom of the cup body is generally integrated with the cup body by welding, but it is very difficult to ensure complete welding during welding, resulting in airtightness problems in the water cup and poor heat preservation effect. Therefore, in the production process of water cups, an important process is to conduct an airtightness test on the water cups.

[0003] For example, in a Chinese patent: the application number is CN2020205688644, and the patent name is a vacuum quality heat preservation detection mechanism for a heat preservation cup, "including a base, on which a sealing cover is fixedly arranged. One end of the sealing cover is an opening, and on one side of the opening, a sealing lid is arranged. The sealing lid is driven by a driving mechanism so that it can close or open the opening of the sealing cover; a detection mechanism is also arranged on the base, which includes a gas supply module for introducing a predetermined volume of gas into the sealing cover and a detection module for detecting the pressure in the sealing cover". In the above technology, the sealing cover and the sealing cover are closed with each other to detect the airtightness of the heat preservation cup. However, the sealing lid is pressed tightly on the sealing cover from top to bottom. The sealing cover is circular and has a small area, and the contact area between the sealing cover and the sealing lid is also small. In this way, there are easily gaps between the sealing cover and the sealing lid, and air will enter the sealing cover through these gaps, affecting the test data. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an airtightness detection device.

[0005] To achieve the above purpose, the utility model adopts the following scheme:

[0006] An airtightness detection device includes a base, on which the base of a heat preservation cup is arranged, a bracket is arranged on the base, and a chassis is arranged on the bracket:

[0007] A vacuum extraction pipe group. An air chamber is arranged above the base, and the vacuum extraction pipe group is communicated with the air chamber and can extend into the heat preservation cup;

[0008] A lifting group. The lifting group is arranged in the chassis, the telescopic end of the lifting group extends out of the chassis and makes a telescopic movement towards the base, and the air chamber is arranged at the output end of the lifting group;

[0009] Sealing silica gel, a sealing plate capable of closing the cup mouth is sleeved on the vacuum extraction pipe group, sealing silica gel is arranged around between the air chamber and the sealing plate, and a part of the sealing silica gel located at the outer ring of the sealing plate can wrap the cup mouth;

[0010] Sealing assembly, the sealing assembly is arranged on the sealing plate, and the sealing assembly can press the sealing silica gel wrapping the cup mouth against the cup wall;

[0011] Air pressure module, an air pressure module is arranged on the chassis, and the air pressure module is used to control the air extraction pressure of the vacuum extraction pipe group and observe the actual air pressure value in the thermos cup. The utility model can seal the cup mouth of the thermos cup through the sealing silica gel, which can greatly increase the sealing effect, and can press a part of the sealing silica gel against the outer wall of the cup mouth of the thermos cup through the sealing assembly, so as to increase the contact area between the sealing silica gel and the cup mouth of the thermos cup, further increase the sealing effect, and ensure the accuracy of the test data.

[0012] As a preferred embodiment of the present utility model, the lifting group includes a cylinder arranged in the chassis, the output end of the cylinder faces the base and extends out of the chassis, and the air chamber is fixed on the output of the cylinder.

[0013] As a further embodiment of the present utility model, the vacuum extraction pipe group includes a main pipe communicated with the air chamber, an air suction head is arranged at one end of the main pipe, a plurality of air inlet pipes are arranged in sequence along the circumference at the bottom of the air suction head, and an air extraction pipe communicated with external equipment is connected to the air chamber.

[0014] As a further embodiment of the present utility model, the sealing assembly includes a conical block arranged on the sealing plate, a through hole capable of penetrating the conical block and the sealing plate is arranged on the axis of the conical block, the main pipe passes through the through hole, a spring is sleeved on the main pipe, a plurality of hinge ears are arranged in sequence along the circumference at the bottom of the air chamber, a lever is hinged at one end of the hinge ear, an arc-shaped plate capable of cooperating with the conical block is arranged at one end of the lever, an arc-shaped rod is hinged at the other end of the lever, and an arc-shaped sleeve is sleeved between two adjacent arc-shaped rods.

[0015] As a preferred embodiment of the present utility model, the air pressure module includes a pressure maintaining timer, a pressure gauge, a pressure value display, and an indicator light group.

[0016] As a further embodiment of the present utility model, the pressure maintaining timer consists of a liquid crystal screen and an adjustment button, and the pressure maintaining timer is used to set the air extraction time of the vacuum extraction pipe group.

[0017] As a preferred embodiment of the present utility model, the pressure gauge consists of a liquid crystal screen and an adjustment button, and the pressure gauge is used to set the air extraction air pressure value of the vacuum extraction pipe group.

[0018] As a preferred embodiment of the present utility model, the pressure value display is used to display the actual pressure value inside the heat preservation cup, and a pneumatic detector for checking the air pressure value inside the heat preservation cup is provided on the sealing plate.

[0019] As a further embodiment of the present utility model, the indicator light group is composed of a test light, a power supply light, an alarm light and a power switch.

[0020] As a further embodiment of the present utility model, an emergency stop button and a two-hand start button are provided on the base, and an object sensor for detecting whether there is a heat preservation cup on the base is provided on the bracket.

[0021] To sum up, the beneficial effects of the utility model compared with the prior art are as follows: the utility model can seal the cup mouth of the heat preservation cup through the sealing silica gel, which can greatly improve the sealing effect. Moreover, part of the sealing silica gel can be pressed tightly on the outer wall of the cup mouth of the heat preservation cup through the sealing component, so that the contact area between the sealing silica gel and the cup mouth of the heat preservation cup can be increased, further improving the sealing effect, and thus ensuring the accuracy of the test data. Description of the Drawings

[0022] Figure 1 It is a three-dimensional view of the present utility model.

[0023] Figure 2 It is an exploded view of the present utility model.

[0024] Figure 3 It is a sectional view of the present utility model.

[0025] Figure 4 It is the present utility model Figure 2 The enlarged view of part A in

[0026] Figure 5 It is the present utility model Figure 3 The enlarged view of part B in

[0027] Description of the reference numerals: 1. Base; 2. Bracket; 3. Base; 4. Chassis; 5. Vacuum extraction pipe group; 6. Air chamber; 7. Lifting group; 8. Sealing silica gel; 9. Sealing plate; 60. Sealing component; 70. Pneumatic module; 41. Cylinder; 51. Main air pipe; 52. Suction head; 53. Intake pipe; 54. Exhaust pipe; 61. Tapered block; 62. Through hole; 63. Spring; 64. Hinge ear; 65. Lever; 66. Arc plate; 67. Arc rod; 68. Arc sleeve; 71. Pressure holding timer; 72. Pressure gauge; 73. Pressure value display; 74. Indicator light group; 81. Test light; 82. Power supply light; 83. Alarm light; 84. Power switch; 91. Emergency stop button; 92. Two-hand start button; 93. Object sensor. Detailed Embodiment

[0028] The following specific implementation details provide various different embodiments or examples for implementing the utility model. Of course, these are only embodiments or examples and are not intended to be restrictive. Additionally, repeated reference numerals may be used in different embodiments, such as repeated numbers and / or letters. These repetitions are for the purpose of simply and clearly describing the utility model and do not represent a specific relationship between the different embodiments and / or structures being discussed.

[0029] Furthermore, spatially relative terms may be used, such as "below", "lower side", "from the inside out", "above", "upper side", and similar terms. These relational terms are for facilitating the description of the relationship between some elements or features in the drawings and other elements or features. These spatial relational terms include different orientations of the device during use or operation, as well as the orientations described in the drawings. The device may be rotated by different angles or in other orientations, and the spatially relative adjectives used may be interpreted similarly. Therefore, it should not be construed as a limitation to the utility model. The terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features.

[0030] The following further describes the utility model in conjunction with the accompanying drawings and specific implementation details: As Figures 1 to 5 shown, an airtightness detection device includes a base 1, on which there is a base 3 of a thermos cup, a bracket 2 is provided on the base 1, and a chassis 4 is provided on the bracket 2:

[0031] A vacuum extraction pipe group 5, an air chamber 6 is provided above the base 3, and the vacuum extraction pipe group 5 is communicated with the air chamber 6 and can extend into the thermos cup;

[0032] A lifting group 7, the lifting group 7 is arranged in the chassis 4, the telescopic end of the lifting group 7 extends out of the chassis 4 and makes a telescopic movement towards the base 3, and the air chamber 6 is arranged on the output end of the lifting group 7;

[0033] A sealing silica gel 8, a sealing plate 9 that can close the cup mouth is sleeved on the vacuum extraction pipe group 5, a sealing silica gel 8 is arranged around between the air chamber 6 and the sealing plate 9, and a part of the sealing silica gel 8 located at the outer ring of the sealing plate 9 can wrap the cup mouth;

[0034] A sealing component 60, the sealing component 60 is arranged on the sealing plate 9, and the sealing component 60 can press the sealing silica gel 8 wrapping the cup mouth against the cup wall;

[0035] A pressure module 70, a pressure module 70 is provided on the chassis 4, and the pressure module 70 is used to control the extraction pressure of the vacuum extraction pipe group 5 and observe the actual air pressure value in the thermos cup.

[0036] A further embodiment of the lifting group 7 in the present utility model: The lifting group 7 includes a cylinder 41 disposed in the chassis 4. The output end of the cylinder 41 faces the base 3 and extends out of the chassis 4. The air chamber 6 is fixed to the output of the cylinder 41. In the initial state, the cylinder 41 can move the vacuum suction pipe group 5 and the sealing plate 9 up and down, so that the vacuum suction pipe group 5 extends into the thermos cup, and the sealing plate 9 will also be pressed against the cup mouth of the thermos cup to seal the cup mouth.

[0037] A further embodiment of the vacuum suction pipe group 5 in the present utility model: The vacuum suction pipe group 5 includes a main pipe 51 communicated with the air chamber 6. At one end of the main pipe 51, a suction head 52 is provided. Along the circumference at the bottom of the suction head 52, a plurality of intake pipes 53 are sequentially provided. A suction pipe 54 communicated with an external device is connected to the air chamber 6. The suction pipe 54 can be connected to an external vacuum pumping device. During suction, the plurality of intake pipes 53 help to evenly extract air and ensure the accuracy of test data.

[0038] A further embodiment of the sealing assembly 60 in the present utility model: The sealing assembly 60 includes a tapered block 61 disposed on the sealing plate 9. A through hole 62 that can penetrate the tapered block 61 and the sealing plate 9 is provided on the axis of the tapered block 61. The main pipe 51 passes through the through hole 62. A spring 63 is sleeved on the main pipe 51. Along the circumference at the bottom of the air chamber 6, a plurality of hinge ears 64 are sequentially provided. One end of the hinge ear 64 is hinged with a lever 65. An arc plate 66 that can cooperate with the tapered block 61 is provided at one end of the lever 65. An arc rod 67 is hinged at the other end of the lever 65. An arc sleeve 68 is sleeved between two adjacent arc rods 67. During operation, the arc rod 67 and the arc sleeve 68 will form a scalable ring. When the cylinder 41 moves the vacuum suction pipe group 5 and the sealing plate 9 downward, and the sealing plate 9 contacts the cup mouth of the thermos cup, the air chamber 6 will continue to move downward for a certain distance, and the tapered block 61 will be squeezed and swing. Under the action of the lever principle, the ring formed by the arc rod 67 and the arc sleeve 68 will contract, so as to press the part of the sealing silica gel 8 around the cup mouth against the cup wall of the cup mouth, thereby further sealing the cup mouth of the thermos cup.

[0039] A further embodiment of the air pressure module 70 in the present utility model: The air pressure module 70 includes a pressure maintaining timer 71, a pressure gauge 72, a pressure value display 73, and an indicator light group 74.

[0040] Further embodiment of the pressure-holding timer 71 in the present utility model: The pressure-holding timer 71 is composed of a liquid crystal screen and adjustment buttons. The pressure-holding timer 71 is used to set the air extraction time of the vacuum air extraction pipe group 5. The user can set the air extraction time of the vacuum air extraction pipe group 5 for the thermos cup through the buttons on the pressure-holding timer 71, and the liquid crystal screen can display the remaining time of the current air extraction, so that the user can easily monitor the air extraction time.

[0041] Further embodiment of the pressure gauge 72 in the present utility model: The pressure gauge 72 is composed of a liquid crystal screen and adjustment buttons. The pressure gauge 72 is used to set the air pressure value of the vacuum air extraction pipe group 5 for air extraction. The air pressure of the vacuum air extraction pipe group 5 for air extraction can be adjusted, so that the data of the thermos cup under different air pressures can be monitored.

[0042] Further embodiment of the pressure value display 73 in the present utility model: The pressure value display 73 is used to display the actual pressure value inside the thermos cup. An air pressure detector for checking the air pressure value inside the thermos cup is provided on the sealing plate 9. During measurement, there will be an error between the set air pressure for air extraction and the actual air pressure value inside the thermos cup. The actual air pressure value inside the thermos cup can be detected by the air pressure detector.

[0043] Further embodiment of the indicator light group 74 in the present utility model: The indicator light group 74 is composed of a test lamp 81, a power supply lamp 82, an alarm lamp 83 and a power switch 84.

[0044] Further embodiment of the base 1 in the present utility model: An emergency stop button 91 and a two-handed start button 92 are provided on the base 1. An object sensor 93 for detecting whether there is a thermos cup on the base 3 is provided on the bracket 2. The object sensor 93 will detect whether there is a thermos cup on the base 3. If there is no thermos cup on the base 3, the user presses the two-handed start button 92, and the alarm lamp 83 will flash to give an alarm to prevent accidents.

[0045] During use: In the initial state, the air cylinder 41 can move the vacuum extraction pipe group 5 and the sealing plate 9 up and down, so that the vacuum extraction pipe group 5 extends into the thermos cup. The sealing plate 9 will also be pressed tightly against the mouth of the thermos cup to seal the mouth of the cup. The extraction pipe 54 can be connected to an external vacuum extraction device. During extraction, multiple intake pipes 53 help to evenly extract air, ensuring the accuracy of test data. During operation, the arc-shaped rod 67 and the arc-shaped sleeve 68 will form a scalable ring. When the air cylinder 41 moves the vacuum extraction pipe group 5 and the sealing plate 9 downward, when the sealing plate 9 touches the mouth of the thermos cup, the air chamber 6 will continue to move downward for a certain distance, and the conical block 61 will be squeezed and swing. Under the action of the lever principle, the ring formed by the arc-shaped rod 67 and the arc-shaped sleeve 68 will contract, so as to press the part of the sealing silica gel 8 surrounding the mouth of the cup tightly against the cup wall of the mouth of the cup, which can further seal the mouth of the thermos cup. The pressure-holding timer 71 is used to set the extraction time of the vacuum extraction pipe group 5. The user can set the extraction time of the vacuum extraction pipe group 5 for the thermos cup through the button on the pressure-holding timer 71. The liquid crystal screen can display the remaining extraction time, so that the user can easily monitor the extraction time. The pressure gauge 72 is used to set the extraction air pressure value of the vacuum extraction pipe group 5. The pressure of the vacuum extraction pipe group 5 can be adjusted, so that the data of the thermos cup under different air pressures can be monitored. During measurement, there will be an error between the set extraction air pressure and the actual air pressure value in the thermos cup. The actual air pressure value in the thermos cup can be detected by the air pressure detector. The object sensor 93 will detect whether there is a thermos cup on the base 3. If there is no thermos cup on the base 3, the user presses the two-handed start button 92, and the alarm lamp 83 will flash to give an alarm to prevent accidents.

[0046] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection claimed by the utility model is defined by the appended claims and their equivalents.

Claims

1. An airtightness detection device, comprising a base (1), a base (3) of a thermos cup is arranged on the base (1), a bracket (2) is arranged on the base (1), and a case (4) is arranged on the bracket (2), characterized in that: A vacuum exhaust pipe group (5), wherein an air chamber (6) is provided above the base (3), and the vacuum exhaust pipe group (5) is connected to the air chamber (6) and can extend into the thermos cup; A lifting group (7), the lifting group (7) is arranged in the chassis (4), the telescopic end of the lifting group (7) extends out of the chassis (4) and performs telescopic movement toward the base (3), and the air chamber (6) is arranged on the output end of the lifting group (7); Sealing silica gel (8), a sealing plate (9) capable of sealing the cup mouth is sleeved on the vacuum exhaust pipe group (5), and the sealing silica gel (8) is arranged around the air chamber (6) and the sealing plate (9), and a portion of the sealing silica gel (8) located at the outer ring of the sealing plate (9) can wrap around the cup mouth; A sealing component (60), the sealing component (60) being arranged on the sealing plate (9), and the sealing component (60) being capable of pressing the sealing silica gel (8) wrapping the cup mouth tightly against the cup wall; An air pressure module (70) is provided on the chassis (4), and the air pressure module (70) is used to control the air extraction pressure of the vacuum extraction pipe group (5) and observe the actual air pressure value in the thermos cup.

2. The airtightness detection device according to claim 1, characterized in that: The lifting group (7) comprises a cylinder (41) arranged in the chassis (4), the output end of the cylinder (41) faces the base (3) and extends out of the chassis (4), and the air chamber (6) is fixed on the output of the cylinder (41).

3. The airtightness detection device according to claim 1, characterized in that: The vacuum exhaust pipe group (5) comprises a main air pipe (51) connected to the air chamber (6); an air suction head (52) is provided at one end of the main air pipe (51); a plurality of air inlet pipes (53) are provided in sequence along the circumference at the bottom of the air suction head (52); and an exhaust pipe (54) connected to an external device is connected to the air chamber (6).

4. The airtightness detection device according to claim 3, characterized in that: The sealing assembly (60) comprises a conical block (61) arranged on a sealing plate (9); a through hole (62) which can penetrate the conical block (61) and the sealing plate (9) is arranged on the axis of the conical block (61); the main air pipe (51) passes through the through hole (62); a spring (63) is sleeved on the main air pipe (51); a plurality of hinged ears (64) are sequentially arranged along the circumference of the bottom of the air chamber (6); a lever (65) is hinged at one end of the hinged ear (64); an arc plate (66) which can cooperate with the conical block (61) is arranged at one end of the lever (65); an arc rod (67) is hinged at the other end of the lever (65); and an arc sleeve (68) is sleeved between two adjacent arc rods (67).

5. The airtightness detection device according to claim 1, characterized in that: The air pressure module (70) comprises a pressure-maintaining timer (71), a pressure gauge (72), a pressure value display (73), and an indicator light group (74).

6. The airtightness detection device according to claim 5, characterized in that: The pressure-maintaining timer (71) is composed of a liquid crystal screen and an adjustment button. The pressure-maintaining timer (71) is used to set the vacuum pumping time of the vacuum pumping pipe group (5).

7. The airtightness detection device according to claim 5, characterized in that: The pressure gauge (72) is composed of a liquid crystal screen and adjustment buttons, and the pressure gauge (72) is used to set the air pressure value of the vacuum exhaust pipe group (5).

8. The airtightness detection device according to claim 5, characterized in that: The pressure value display (73) is used to display the actual pressure value in the thermos cup, and an air pressure detector for checking the air pressure value in the thermos cup is provided on the sealing plate (9).

9. The airtightness detection device according to claim 5, characterized in that: The indicator light group (74) consists of a test light (81), a power light (82), an alarm light (83) and a power switch (84).

10. The airtightness detection device according to claim 1, characterized in that: An emergency stop button (91) and a two-hand start button (92) are provided on the base (1), and an object sensor (93) for detecting whether a thermos cup is present on the base (3) is provided on the bracket (2).

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