Cylinder valve sealing performance detection structure

Abstract

The utility model relates to the technical field of pressure vessel manufacturing and processing, in particular to a pressure vessel sealing performance detection structure. The utility model discloses a pressure vessel sealing performance detection structure, which comprises a base and a support platform fixedly arranged at the upper end of the base, a slot with an upward opening is arranged in the base, and at least one interface for installing a pressure vessel is arranged on the support platform. A first valve allowing an external medium to enter the base and a second valve allowing the medium in the base to flow to the outside are arranged on the outer end face of the base, the open groove in the base forms a cavity allowing the first valve, the second valve and the connector to be communicated, and a fence-shaped structure is arranged on the supporting platform. The fence-shaped structure can prevent liquid located above the supporting platform from leaking between the supporting platform and the fence-shaped structure. The air tightness detection device has the advantage that the air tightness detection result of the pressure container can be visually fed back so as to ensure the accuracy of the air tightness detection result.

Description

TECHNICAL FIELD

[0001] The utility model relates to bottle valve manufacturing processing technical field, concretely to a bottle valve leakproofness detection structure. BACKGROUND

[0002] The Chinese patent application with the application number 201810105944.3 discloses a plastic bottle air leakage detection device for food packaging, which comprises a plastic bottle to be detected, the plastic bottle is vertically arranged and has an upward opening, further comprises an air charging device for charging air into the plastic bottle, the air outlet of the air charging device is sealingly connected with the opening of the plastic bottle, and a gas flow meter and a valve for controlling the opening and closing of the air outlet are arranged at the connecting position, further comprises a pressure change detection device, the pressure change detection device is used for detecting the pressure change in the plastic bottle, the pressure change detection device is electrically connected with a controller, and further comprises an alarm connected with the controller.

[0003] In the above technical solution, the plastic bottle is filled with air, the pressure change in the plastic bottle is identified by the pressure change detection device, and finally the alarm device is used to issue an alarm to notify the staff when the plastic bottle has defects, however, in the above technical solution, the air tightness detection of the plastic bottle depends on the sensitivity of the pressure sensor and the alarm device, since the force sensor is affected by the actual detection environment, the detection result of the force sensor cannot be fed back at a certain fixed value, and once the air leakage degree in the plastic bottle is small, it is difficult to determine whether the pressure change of the pressure sensor is caused by the influence of the actual detection environment on the sensor, thereby misjudging the air tightness detection result of the plastic bottle and affecting the production quality, the overall cost of the equipment is high and the use effect is poor. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a bottle valve leakproofness detection structure which can intuitively feed back the air tightness detection result of the bottle valve and ensure the accuracy of the air tightness detection result.

[0005] To achieve the above-mentioned purpose, the utility model discloses a bottle valve leakproofness detection structure, which comprises a base and a supporting platform fixedly arranged at the upper end of the base, an opening upward groove is formed in the base, and the opening of the groove is covered by the supporting platform, at least one interface for mounting the bottle valve is arranged on the supporting platform, a first valve for allowing external medium to enter the base and a second valve for allowing the medium in the base to flow to the outside are arranged on the outer end surface of the base, the groove in the base forms a chamber connected among the first valve, the second valve and the interface, a surrounding structure is arranged on the supporting platform, and the surrounding structure can prevent the liquid above the supporting platform from leaking between the supporting platform and the surrounding structure.

[0006] When the sealing detection is needed, the bottle valve is installed on the support platform through the interface, and the enclosure structure is placed on the support platform, so that the bottle valve is located inside the enclosure structure, the medium is injected into the chamber through the first valve, when the medium is liquid, only whether the liquid penetrates out of the enclosure structure is observed, if the liquid penetrates out, the air tightness detection is unqualified, when the medium is gas, water is injected into the enclosure structure until the liquid level is higher than the bottle valve, whether bubbles are generated in the enclosure structure is observed, if the bubbles are generated, the air tightness detection is unqualified.

[0007] The utility model discloses a direct feedback bottle valve air tightness detection result through observing whether liquid penetrates (when the medium is liquid) or whether bubbles are generated (when the medium is gas) in the enclosure structure, avoid relying on the sensitivity of the device of the existing mechanical sensor such as pressure sensor, prevent the detection result from being influenced by the actual detection environment, thereby prevent the misjudgment of the bottle valve air tightness detection result, reduce the overall cost of equipment and improve the detection precision, the utility model discloses have the advantages of direct feedback bottle valve air tightness detection result, guarantee the precision of air tightness detection result.

[0008] As preferred, the base is provided with a main pipeline for connecting the first valve and the second valve, and the main pipeline is provided with a branch pipeline connected with the interface.

[0009] The medium flow is realized through the main pipeline and the branch pipeline, so that the medium can enter the interface, and the deformation of the base caused by excessive air pressure or liquid pressure is prevented.

[0010] As preferred, the support platform is provided with a limiting groove capable of enclosing all interfaces, the enclosure structure is located in the limiting groove, and the bottom end of the enclosure structure is embedded in the limiting groove.

[0011] Compared with directly locating the enclosure structure on the support platform, the limiting groove can increase the sealing between the lower end of the enclosure structure and the upper end surface of the support platform, prevent the leakage of the water stored on the support platform, and balance the stress in the horizontal direction of the enclosure structure through the groove wall of the limiting groove, so that the enclosure structure is prevented from being overturned during the air tightness detection.

[0012] As preferred, the single-sided cross-sectional shape of the limiting groove is a polygon with an opening width greater than or equal to the width at any height below the opening.

[0013] The opening of the limiting groove and the groove width at any height below the opening are designed, so that the installation between the fence-shaped structure and the supporting platform is facilitated; compared with the limiting groove with a semicircular or arc-shaped cross section, the processing error can be prevented from causing the loose fit between the fence-shaped structure and the supporting platform, so that the misalignment of the fence-shaped structure during installation is avoided, the fence-shaped structure is prevented from being overturned during the air tightness detection process, and the safety of the fence-shaped structure during use is further ensured.

[0014] As preferred, the single-side cross section shape of the limiting groove is V-shaped, and the bottom end shape of the fence-shaped structure is matched with the limiting groove.

[0015] By setting the single-side cross section shape of the limiting groove as V-shaped, compared with the trapezoidal or rectangular cross section shape, the processing difficulty can be reduced.

[0016] As preferred, the fence-shaped structure comprises a fence part at the upper end of the supporting platform and a protruding part at the lower end of the fence part, the single-side cross section shape of the protruding part is the same V-shaped as the limiting groove, and the wall thickness of the fence part is greater than the opening width of the limiting groove.

[0017] By setting the wall thickness of the fence part to be greater than the opening width of the limiting groove, the lower end of the fence part is abutted against the upper end surface of the supporting platform, and the protruding part is embedded in the limiting groove, so that the lower end of the fence part and the upper end surface of the supporting platform are abutted against the fitting part inside the device, the accumulated water in the fence-shaped structure is initially isolated, and the sealing performance between the fence-shaped structure and the supporting platform is further improved.

[0018] As preferred, the cross section shape of the fence part is the same as that of the base, the side wall of the fence part is opposite to the side wall of the base, and the side wall of the fence part is aligned with the side wall of the base, so that the fence part is supported by the side wall of the base, the deformation of the supporting platform caused by the gravity of the fence-shaped structure is prevented, and the service life of the supporting platform is prolonged.

[0019] As preferred, the opening of the fence part is provided with a protective fence connected between the side walls of the fence part, and the outer side wall of the fence part and the base is provided with a quick clamp assembly, so that the safety of the observation personnel during observation is improved, and the fence-shaped structure and the supporting platform are quickly and fixedly installed through the quick clamp assembly, and the assembly difficulty is reduced.

[0020] The detection result of the bottle valve is not affected by the actual detection environment, so that the misjudgment caused by the influence of the force sensor on the air tightness detection result of the bottle valve is prevented, the overall cost of the equipment is reduced, the detection precision is improved, the air tightness detection result of the bottle valve can be intuitively fed back, and the precision of the air tightness detection result is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 This is a schematic diagram of one structure of the present invention.

[0022] Figure 2 for Figure 1 Enlarged view of point A in the middle.

[0023] Figure 3 This is a top view of the structure in this invention.

[0024] Figure 4 This is a schematic diagram of a structure in Embodiment 2 of the present invention.

[0025] Figure 5 for Figure 4 Enlarged view of section B in the middle.

[0026] In the diagram: 11. Base; 12. Support platform; 121. Interface; 122. Limiting groove; 13. First valve; 14. Second valve; 16. Branch pipe; 18. Water cover; 181. Enclosure; 182. Protrusion; 19. Quick-hand clamp assembly; 20. Guardrail; 21. Bottle valve. Detailed Implementation

[0027] The present invention will now be further described with reference to the accompanying drawings and specific embodiments.

[0028] Example 1

[0029] Depend on Figure 1 As shown, this embodiment discloses a bottle valve sealing performance testing structure, including a base 11 and a support platform 12 fixedly mounted on the upper end of the base 11. The base 11 has an upward-facing slot, the opening of which is sealed by the support platform 12. The support platform 12 has at least one interface 121 for installing a bottle valve 21. The outer end face of the base 11 has a first valve 13 for allowing external media to enter the base 11 and a second valve 14 for allowing media inside the base 11 to flow to the outside. The base 11 has a main pipe 15 for connecting the first valve 13 and the second valve 14. The main pipe 15 has a branch pipe 16 connected to the interface 121.

[0030] The support platform 12 is equipped with a baffle-shaped structure, which is a water-holding hood 18. The water-holding hood 18 can prevent liquid above the support platform 12 from leaking between the support platform 12 and the water-holding hood 18. Figure 2As shown, the support platform 12 is provided with a limiting groove 122 capable of enclosing all the interfaces 121, the single-side cross-section shape of the limiting groove 122 is V-shaped, the enclosing structure includes an enclosing part 181 at the upper end of the support platform 12 and a protruding part 182 at the lower end of the enclosing part 181, the shape of the protruding part 182 of the water containing cover 18 is matched with the limiting groove 122, the protruding part 182 of the water containing cover 18 is seated in the limiting groove 122 and the side wall of the enclosing part 181 is opposite to the side wall of the base 11.

[0031] As shown, the opening of the enclosing part 181 is provided with a protective fence 20 connected between the side walls of the enclosing part 181, thereby preventing the high-pressure medium entering the interface 121 from lifting the uninstalled and fixed parts upward and hitting the observer, so as to improve the safety of the observer during observation. Figure 3

[0032] The outer end surface of the water containing cover 18 and the outer side wall of the base 11 are provided with a quick hand clamp assembly 19, which is a quick installation structure through tension to quickly fix two devices.

[0033] When the sealing detection is needed, the bottle valve 21 is installed on the support platform 12 through the interface 121, and then the water containing cover 18 is placed in the limiting groove 122 on the support platform 12, so that the protruding part 182 of the water containing cover 18 is embedded in the limiting groove 122, the inner and outer end surfaces of the protruding part 182 of the water containing cover 18 are tightly abutted against the groove wall of the limiting groove 122 under the action of the gravity of the water containing cover 18, and the bottle valve 21 is located inside the enclosing structure, at this time, the medium is injected into the chamber through the first valve 13.

[0034] When the injected medium is liquid, only whether there is liquid penetrating out of the enclosing structure is observed, if the air tightness of the bottle valve 21 is poor, the liquid will penetrate from the interface 121 to the upper of the support platform 12 and gather in the water containing cover 18, if there is no water accumulation in the water containing cover 18, it indicates that the sealing property of the bottle valve 21 is qualified.

[0035] When the injected medium is gas, water is first injected into the water containing cover 18 until the liquid level is higher than the bottle valve 21, if the air tightness of the bottle valve 21 is poor, the liquid will flow from the interface 121 to the upper of the support platform 12 and form bubbles under the action of the water accumulation in the water containing cover 18, if there is no bubble generated in the water accumulation of the water containing cover 18, it indicates that the sealing property of the bottle valve 21 is qualified.

[0036] Example two

[0037] The difference between this embodiment and example one is that the support platform 12 is provided with a limiting groove 122 capable of enclosing all the interfaces 121, the single-side cross-section shape of the limiting groove 122 is V-shaped, the enclosing structure includes an enclosing part 181 at the upper end of the support platform 12 and a protruding part 182 at the lower end of the enclosing part 181, the shape of the protruding part 182 of the water containing cover 18 is matched with the limiting groove 122, the protruding part 182 of the water containing cover 18 is seated in the limiting groove 122 and the side wall of the enclosing part 181 is opposite to the side wall of the base 11. Figure 4 , Figure 5 ​As shown, the enclosure-shaped structure includes an enclosure part 181 at the upper end of the support platform 12 and a protruding part 182 at the lower end of the enclosure part 181, the single-side cross-sectional shape of the protruding part 182 is a V-shaped same as the limiting groove 122, the wall thickness of the enclosure part 181 is greater than the opening width of the limiting groove 122, and the lower end of the enclosure part 181 and the upper end surface of the support platform 12 relative to the fitting part inside the device initially isolate the accumulated water in the enclosure-shaped structure, and further improve the sealing performance between the enclosure-shaped structure and the support platform 12.

Claims

1. A bottle valve sealing detection structure, comprising a base and a support platform fixedly arranged at the upper end of the base, an upwardly open groove is formed in the base, the opening of the groove is covered by the support platform, and at least one interface for mounting a pressure container is arranged on the support platform, characterized in that: The outer end surface of the base is provided with a first valve for allowing external medium to enter the base and a second valve for allowing medium in the base to flow to the outside, the slot in the base forms a chamber for connecting the first valve, the second valve and the interface, the support platform is provided with a surrounding structure, which can prevent liquid above the support platform from leaking between the support platform and the surrounding structure.

2. The bottle valve leak detection structure of claim 1, wherein: The base is provided with a main pipeline for connecting the first valve and the second valve, and a branch pipeline connected with the interface.

3. The bottle valve leak detection structure of claim 1 or 2, wherein: The support platform is provided with a limiting groove capable of enclosing all interfaces, and the surrounding structure is located in the limiting groove, and the bottom end of the surrounding structure is embedded in the limiting groove.

4. The bottle valve leak detection structure of claim 3, wherein: The single side cross-sectional shape of the limiting groove is a polygon with a width of the opening being greater than or equal to the width at any height below the opening.

5. The bottle valve leak detection structure of claim 4, wherein: The single side cross-sectional shape of the limiting groove is V-shaped, and the bottom end shape of the surrounding structure is matched with the limiting groove.

6. The bottle valve leak detection structure of claim 5, wherein: The surrounding structure includes a surrounding part at the upper end of the support platform and a protruding part at the lower end of the surrounding part, the single side cross-sectional shape of the protruding part is the same V-shaped as the limiting groove, and the wall thickness of the surrounding part is greater than the width of the opening of the limiting groove.

7. The bottle valve leak detection structure of claim 6, wherein: The cross-sectional shape of the surrounding part is the same as the cross-sectional shape of the base, and the side wall of the surrounding part is opposite to the side wall of the base.

8. The bottle valve leak detection structure of claim 7, wherein: The opening of the surrounding part is provided with a protective fence connected between the side walls of the surrounding part, and the surrounding part and the outer side wall of the base are provided with a quick clamp assembly. The cross-sectional shape of the surrounding part is the same as the cross-sectional shape of the base, and the side wall of the surrounding part is opposite to the side wall of the base. The opening of the surrounding part is provided with a protective fence connected between the side walls of the surrounding part, and the surrounding part and the outer side wall of the base are provided with a quick clamp assembly.

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