Water tank air tightness detection device

Abstract

When the device is used for detecting the air tightness of the water tank, the water tank is placed on a lifting frame, the placing position of the water tank is determined through a plurality of positioning blocks, the water tank is pressed on the lifting frame under the action of a pressing assembly, and a sealing cylinder drives a sealing cover to seal the opening part of the water tank. The air in the water tank is in a closed environment, the lifting frame is driven to descend through the lifting assembly until the water tank on the lifting frame is immersed in the soaking box, standing is conducted for a period of time, whether bubbles emerge from the soaking box or not is observed, and if no bubbles are generated, it is proved that the air tightness of the water tank is good. After testing, the lifting assembly drives the lifting frame to ascend, the water tank is taken out of the soaking box, the pressing assembly loosens the water tank, the sealing cylinder drives the sealing cover to be separated from the water tank, and then the water tank can be taken out. The whole detection process is automatically carried out, the sealing cover does not need to be manually disassembled and assembled, whether bubbles appear or not is convenient to observe, whether the water tank leaks air or not is convenient to judge, and the test efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to airtightness detection equipment field, concretely relates to a water tank airtightness detection device. BACKGROUND

[0002] The unmanned plane blow molding water tank has the technical requirement such as sealing performance, and requires not to have any leakage, cracking phenomenon under extreme conditions. In order to guarantee the relevant technical requirements of water tank product, it is necessary to be equipped with relevant airtightness detection device to detect the relevant parameters of water tank, to guarantee product quality. In the existing detection device, the product is manually equipped with a bottle cap, a small hole is inserted, and airtightness test is carried out on the workbench, and the test is determined by visual observation, air pressure, pressure holding time, observation of leakage value. Then the bottle cap is manually removed, and the device test efficiency is low, and the quality is unstable. UTILITY MODEL CONTENTS

[0003] In order to overcome the deficiency of prior art, the utility model provides a water tank airtightness detection device, which can solve the problem of low test efficiency of the existing detection device.

[0004] The utility model solves the technical scheme that the technical scheme that the utility model solves is: provide a kind of water tank airtightness detection device, including soaking tank, fixed frame, lifting frame, compression assembly, sealing assembly and lifting assembly;The soaking tank is installed on the fixed frame, the lifting frame is located above the soaking tank, a plurality of positioning blocks are provided on the lifting frame, and the plurality of positioning blocks are used to limit the position of water tank;The sealing assembly includes sealing cover and sealing cylinder, the cylinder body of the sealing cylinder is installed on the lifting frame, the piston rod of the sealing cylinder is connected with the sealing cover and is used to drive the sealing cover to seal the mouth of water tank, the compression assembly is set above the lifting frame and is used to compress water tank on the lifting frame, the lifting assembly is installed on the fixed frame and is used to drive the lifting frame to move towards the direction close to or away from the soaking tank.

[0005] As a further improvement of the above technical solution, a connecting frame is provided on the lifting frame, and an interface is provided on the connecting frame, and the interface is used for clamping with the mouth of water tank.

[0006] As a further improvement of the above technical solution, the connecting frame includes a first connecting frame and a second connecting frame, the first connecting frame is fixedly installed on the lifting frame, a vertical guide rod is further provided on the lifting frame, the second connecting frame is slidably connected to the guide rod, a first compression cylinder is installed on the guide rod, and the piston rod of the first compression cylinder is vertically arranged and used to press against the second connecting frame;First notch and second notch are respectively provided on the first connecting frame and the second connecting frame, the first notch and the second notch are oppositely arranged and enclosed to form the interface.

[0007] As a further improvement of the above technical solution, the guide rod is provided with two, two of the guide rod parallel arrangement and are connected to the second connecting frame opposite sides; two guide rod is provided with guide sleeve, the second connecting frame through two guide sleeve is connected with two guide rod.

[0008] As a further improvement of the above technical solution, the pressing assembly comprises a second pressing cylinder and a pressing plate, the piston rod of the second pressing cylinder is arranged vertically, and the pressing plate is connected with the piston rod of the second pressing cylinder.

[0009] As a further improvement of the above technical solution, the pressing plate is provided with two, two of the pressing plate is arranged vertically in the horizontal direction.

[0010] As a further improvement of the above technical solution, the lifting assembly comprises a lifting cylinder and a vertically arranged connecting rod, the cylinder body of the lifting cylinder is mounted on the fixed frame, the piston rod of the lifting cylinder is vertically arranged and fixedly connected with the connecting rod, and the connecting rod is fixedly connected with the lifting frame.

[0011] As a further improvement of the above technical solution, the lifting assembly is provided with two, the pressing assembly, the sealing assembly and a plurality of the positioning block are located between the two connecting rods.

[0012] As a further improvement of the above technical solution, the lower portion of the fixed frame is provided with four rollers, and the four rollers are arranged in a square shape.

[0013] As a further improvement of the above technical solution, the fixed frame is provided with an electric control switch, and the electric control switch is used for controlling the start and stop of the pressing assembly, the sealing cylinder and the lifting assembly.

[0014] The device is placed on the lifting frame when detecting the air tightness of the water tank, and the placing position of the water tank is determined through a plurality of positioning blocks. The water tank is pressed on the lifting frame under the action of the pressing assembly, the sealing cylinder drives the sealing cover to seal the water tank, so that the air in the water tank is in a closed environment. The lifting frame is driven to descend by the lifting assembly until the water tank on the lifting frame is immersed in the soaking tank. After a period of time, whether there is air bubble in the soaking tank is observed. If no air bubble is generated, it proves that the air tightness of the water tank is good. After the test is completed, the lifting assembly drives the lifting frame to rise, the water tank is taken out of the soaking tank, the pressing assembly releases the water tank, the sealing cylinder drives the sealing cover to separate from the water tank, and the water tank can be taken out. The whole detection process is automatic, and the sealing cover does not need to be manually disassembled. Whether there is air bubble is convenient to observe, whether the water tank leaks is convenient to determine, and the test efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0016] Fig. 1 This is a schematic diagram of the structure of the water tank airtightness testing device during testing, provided in a preferred embodiment of this utility model.

[0017] Fig. 2 This is a schematic diagram of the structure of the water tank air tightness testing device provided in a preferred embodiment of the present invention.

[0018] Attached reference numerals: 1. Immersion tank; 2. Fixing frame; 3. Lifting frame; 4. Pressing assembly; 5. Sealing assembly; 6. Lifting assembly; 7. Water tank;

[0019] 21. Electrical control switch; 22. Roller; 31. Positioning block; 32. Connecting frame; 33. Guide rod; 34. First clamping assembly; 41. Second clamping assembly; 42. Pressure plate; 51. Sealing cover; 52. Sealing cylinder; 61. Lifting cylinder; 62. Connecting rod.

[0020] 321. Interface; 322. First connecting bracket; 323. Second connecting bracket; 324. First notch; 325. Second notch; 331. Guide sleeve. Detailed Implementation

[0021] The following will clearly and completely describe the concept, specific structure, and technical effects of this utility model in conjunction with embodiments and accompanying drawings, so as to fully understand the purpose, features, and effects of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. Other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are all within the scope of protection of this utility model. Furthermore, all connections / connections involved in the patent do not simply refer to direct contact between components, but rather to the ability to form a better connection structure by adding or reducing connecting accessories according to specific implementation conditions. For example, fixed connections / fixed installations can use screw connections, bolt connections, pin connections, key connections, adhesive connections, mortise and tenon connections, welding, riveting, etc., as needed. For detachable connections, screw connections, bolt connections, threaded connections, snap-fit ​​connections, mortise and tenon connections, Velcro connections, etc., can be used as needed. The various technical features in this utility model can be combined interactively without contradicting each other.

[0022] Please see Figs. 1-2 The preferred embodiment of this utility model provides a water tank airtightness testing device, including an immersion tank 1, a fixed frame 2, a lifting frame 3, a pressing component 4, a sealing component 5, and a lifting component 6. The immersion tank 1 is installed on the fixed frame 2, and the lifting frame 3 is located above the immersion tank 1. The immersion tank 1 is used to hold water that can completely submerge the water tank 7.

[0023] Specifically, the lifting frame 3 is provided with a plurality of positioning blocks 31 for limiting the position of the water tank 7; the sealing assembly 5 comprises a sealing cover 51 and a sealing cylinder 52, the cylinder body of the sealing cylinder 52 is mounted on the lifting frame 3, the piston rod of the sealing cylinder 52 is connected with the sealing cover 51 and is used to drive the sealing cover 51 to seal the opening of the water tank 7, the pressing assembly 4 is arranged above the lifting frame 3 and is used to press the water tank 7 against the lifting frame 3, and the lifting assembly 6 is mounted on the fixed frame 2 and is used to drive the lifting frame 3 to move towards or away from the soaking tank 1. When detecting the air tightness of the water tank 7, the water tank 7 is placed on the lifting frame 3, the position of the water tank 7 is determined by the plurality of positioning blocks 31, the water tank 7 is pressed against the lifting frame 3 under the action of the pressing assembly 4, the sealing cover 51 is driven by the sealing cylinder 52 to seal the opening of the water tank 7, the air in the water tank 7 is in a closed environment, then the lifting frame 3 is driven by the lifting assembly 6 to descend until the water tank 7 on the lifting frame 3 is immersed in the soaking tank 1, and the water tank 7 is left for a period of time, and whether bubbles are generated in the soaking tank 1 is observed. If no bubbles are generated, it is proved that the air tightness of the water tank 7 is good. After the test is completed, the lifting assembly 6 drives the lifting frame 3 to rise, the water tank 7 is taken out of the soaking tank 1, the pressing assembly 4 releases the water tank 7, the sealing cover 51 is separated from the water tank 7 by the sealing cylinder 52, and then the water tank 7 can be taken out. The whole detection process is automatically performed, the sealing cover 51 does not need to be manually disassembled, the appearance of bubbles is easy to observe, whether the water tank 7 leaks is easy to determine, and the test efficiency is improved.

[0024] In the embodiment, the lifting frame 3 is provided with a connecting frame 32, the connecting frame 32 is provided with an interface 321, the interface 321 is used to be connected with the opening of the water tank 7, and the opening of the water tank 7 is fixed at the interface 321, so that the sealing cover 51 can be sealed at the opening of the water tank 7 in the subsequent process.

[0025] More specifically, the connecting frame 32 comprises a first connecting frame 322 and a second connecting frame 323, the first connecting frame 322 is fixedly mounted on the lifting frame 3, the lifting frame 3 is further provided with a vertical guide rod 33, the second connecting frame 323 is slidably connected with the guide rod 33, a first pressing cylinder 34 is mounted on the guide rod 33, the piston rod of the first pressing cylinder 34 is vertically arranged and is used to press the second connecting frame 323; the first connecting frame 322 and the second connecting frame 323 are respectively provided with a first notch 324 and a second notch 325, the first notch 324 and the second notch 325 are oppositely arranged and enclose the interface 321. Through the driving of the first pressing cylinder 34, the degree of enclosure between the first notch 324 and the second notch 325 can be changed, so as to be connected with the opening of the water tank 7, and in the detection process, the first pressing cylinder 34 can provide a pressing force to firmly connect the opening of the water tank 7 in the interface 321, so as to prevent the water tank 7 from floating up.

[0026] The guide rods 33 are provided with two, which are arranged in parallel and connected to the opposite sides of the second connecting frame 323 respectively, can simultaneously guide the opposite sides of the second connecting frame 323, and ensure the stability of the sliding process of the second connecting frame 323; the two guide rods 33 are provided with guide sleeves 331 respectively, and the second connecting frame 323 is connected with the two guide rods 33 through the two guide sleeves 331, so as to reduce the friction and make the sliding of the second connecting frame 323 more smooth.

[0027] The pressing assembly 4 comprises a second pressing cylinder 41 and a pressing plate 42, the piston rod of the second pressing cylinder 41 is arranged vertically, and the pressing plate 42 is connected with the piston rod of the second pressing cylinder 41. When the second pressing cylinder 41 is started, the piston rod drives the pressing plate 42 to move downward until the pressing plate 42 abuts against the water tank 7, and the water tank 7 is clamped between the pressing plate 42 and the lifting frame 3, so that the water tank 7 can be prevented from floating up when it is immersed in the soaking tank 1, thereby affecting observation.

[0028] In addition, the pressing plate 42 is provided with two, which are arranged vertically in the horizontal direction, can limit the water tank 7 in two mutually perpendicular directions in the horizontal direction, and further prevent the water tank 7 from floating up.

[0029] The lifting assembly 6 comprises a lifting cylinder 61 and a vertical connecting rod 62, the cylinder body of the lifting cylinder 61 is mounted on the fixed frame 2, the piston rod of the lifting cylinder 61 is vertically arranged and fixedly connected with the connecting rod 62, and the connecting rod 62 is fixedly connected with the lifting frame 3. When the lifting cylinder 61 is started, the piston rod can drive the lifting frame 3 to move into the soaking tank 1 until the water tank 7 on the lifting frame 3 is completely immersed in water, the test lasts for fifteen seconds, and then the lifting cylinder 61 takes out the water tank 7 from the water. The setting of the connecting rod 62 can increase the descending height of the water tank 7, so as to ensure that the water tank 7 is completely immersed in water.

[0030] In the embodiment, the lifting assembly 6 is provided with two, the pressing assembly 4, the sealing assembly 5 and the plurality of positioning blocks 31 are located between the two connecting rods 62, and the main components on the lifting frame 3 and the water tank 7 during testing are located between the two connecting rods 62, so as to drive the lifting frame 3 to move by the connecting rod 62.

[0031] The fixed frame 2 is provided with an electric control switch 21, and four rollers 22 are arranged below the electric control switch 21, the four rollers 22 are arranged in a square shape, the electric control switch 21 is used for controlling the start and stop of the pressing assembly 4, the sealing cylinder 52 and the lifting assembly 6, and the detection process of the water tank 7 can be started by one key of the electric control switch 21, and the setting of the rollers 22 can facilitate the movement of the whole device and is convenient to use.

[0032] The above is a specific description of the preferred embodiment of the present application, but the present application is not limited to the described embodiment, and those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the present application, and these equivalent modifications or replacements are all included in the scope defined by the claims of the present application.

Claims

1. A water tank air tightness detection device, characterized in that: Including soaking box, fixed frame, lifting frame, compression assembly, sealing assembly and lifting assembly; The soaking box is installed on the fixed frame, the lifting frame is located above the soaking box, a plurality of positioning blocks are arranged on the lifting frame, and the plurality of positioning blocks are used for limiting the position of the water tank; The sealing assembly comprises a sealing cover and a sealing cylinder, the cylinder body of the sealing cylinder is installed on the lifting frame, the piston rod of the sealing cylinder is connected with the sealing cover and is used for driving the sealing cover to seal the mouth portion of the water tank, the compression assembly is arranged above the lifting frame and is used for compressing the water tank on the lifting frame, and the lifting assembly is installed on the fixed frame and is used for driving the lifting frame to move towards the direction close to or away from the soaking box.

2. The water tank air tightness detection device according to claim 1, characterized in that: A connecting frame is arranged on the lifting frame, and an interface is arranged on the connecting frame, which is used for clamping with the mouth portion of the water tank.

3. The water tank air tightness detection device according to claim 2, characterized in that: The connecting frame comprises a first connecting frame and a second connecting frame, the first connecting frame is fixedly installed on the lifting frame, a vertical guide rod is further arranged on the lifting frame, the second connecting frame is slidably connected to the guide rod, a first compression cylinder is installed on the guide rod, and the piston rod of the first compression cylinder is arranged vertically and used for pressing the second connecting frame; First and second notches are arranged on the first and second connecting frames respectively, and the first and second notches are oppositely arranged and enclose the interface.

4. The water tank air tightness detection device according to claim 3, characterized in that: The guide rod is provided with two, and the two guide rods are arranged in parallel and connected to the opposite sides of the second connecting frame; Both the guide rods are provided with guide sleeves, and the second connecting frame is connected to the two guide rods through the two guide sleeves.

5. The water tank air tightness detection device according to claim 1, characterized in that: The compression assembly comprises a second compression cylinder and a pressing plate, and the piston rod of the second compression cylinder is arranged vertically.

6. The water tank air tightness detection device according to claim 5, characterized in that: The pressing plate is provided with two, and the two pressing plates are arranged vertically in the horizontal direction.

7. The water tank air tightness detection device according to claim 1, characterized in that: The lifting assembly comprises a lifting cylinder and a vertically arranged connecting rod, the cylinder body of the lifting cylinder is installed on the fixed frame, the piston rod of the lifting cylinder is vertically arranged and fixedly connected with the connecting rod, and the connecting rod is fixedly connected with the lifting frame.

8. The water tank air tightness detection device according to claim 7, characterized in that: The lifting assembly is provided with two, and the compression assembly, the sealing assembly and the plurality of positioning blocks are located between the two connecting rods.

9. The water tank air tightness detection device according to claim 1, characterized in that: Four rollers are arranged below the fixed frame, and the four rollers are arranged in a square shape.

10. The water tank air tightness detection device according to any one of claims 1-9, characterized in that: An electric control switch is arranged on the fixed frame, and the electric control switch is used for controlling the start and stop of the compression assembly, the sealing cylinder and the lifting assembly.

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