Container internal pressure detection device and container internal pressure detection system

Abstract

The present application provides a device for detecting pressure in a container and a system for detecting pressure in a container. The device for detecting pressure in a container (10) comprises: a body (101) extending into the container and communicating with the inside of the container to detect the pressure in the container; and a pressure regulating mechanism (102) disposed on the body (101) and communicating with the container through the body (101) to regulate the pressure in the container by controlling the gas to enter and / or exit the container. In this way, the flexibility of detecting the pressure in the container can be effectively improved.

Description

Technical Field

[0001] The present application relates to the technical field of pressure detection, and in particular to a device for detecting pressure in a container and a system for detecting pressure in a container. Background Art

[0002] Bottles and other containers are usually filled with water or beverages to form products and put on the market for sale. For such products, there are usually certain requirements for the pressure changes in the container after a period of time. Therefore, the pressure changes in the container are usually tested before being put on the market as one of the conditions for judging whether the product is qualified, or as a design basis for theoretical filling of the pressure in the container.

[0003] In the related art, when tracking and detecting the pressure change in the container, one can only passively wait for the pressure change in the container, which has the problem of poor flexibility, affecting the detection efficiency, detection cost and detection accuracy, etc. Utility Model Content

[0004] The present application aims to provide a device for detecting pressure in a container and a system for detecting pressure in a container, so as to improve the flexibility of detecting pressure in a container.

[0005] In order to achieve the above-mentioned purpose, the container pressure detection device provided in the present application includes:

[0006] A body extending into the container and communicating with the interior of the container to detect the pressure in the container; and

[0007] The pressure regulating mechanism is arranged on the main body and communicated with the container through the main body so as to regulate the pressure in the container by controlling the gas to enter and / or exit the container.

[0008] In some embodiments, the pressure regulating mechanism includes a pressure regulating valve, which includes a valve body and a valve core. A ventilation cavity is provided in the valve body, and the ventilation cavity is connected with the container through the main body. A vent connected with the ventilation cavity is provided on the valve body. The valve core is movably arranged in the valve body, and during the movement, the opening and closing of the vent on the valve body is controlled to control the gas entering and / or exiting the container.

[0009] In some embodiments, the pressure regulating valve further includes an elastic member, which is disposed in the ventilation cavity and abuts between the valve core and the valve body, and applies an elastic force to the valve core to close the ventilation port.

[0010] In some embodiments, the pressure regulating mechanism includes a connecting device, which connects the body and the pressure regulating valve and connects the body with the vent of the pressure regulating valve.

[0011] In some embodiments, the main body includes a pressure gauge and a connecting piece, the connecting piece is connected to the pressure gauge and is used to extend into the container to connect the interior of the container with the interior of the pressure gauge, and the pressure gauge detects the pressure inside the container. The connecting device includes a sleeve and a tee, the sleeve is sleeved on the outside of the pressure regulating valve, the tee is connected to the pressure gauge and the connecting piece, and is connected to the sleeve to achieve communication between the main body and the vent of the pressure regulating valve.

[0012] In some embodiments, the sleeve is threadedly connected to the pressure regulating valve; and / or the tee is threadedly connected to at least one of the pressure gauge, the connector and the sleeve.

[0013] In some embodiments, the main body includes a stopper, a support member and a sealing member. The stopper is arranged at an end of the connecting member away from the pressure gauge. The connecting member is connected to the interior of the container through the stopper. The support member is located on the side of the stopper close to the pressure gauge and is movably mounted on the outside of the connecting member. The sealing member is arranged on the support member so that during the relative movement of the support member and the connecting member, the sealing member is squeezed and deformed by the stopper to seal the opening of the container. The pressure regulating mechanism is arranged between the support member and the pressure gauge.

[0014] In some embodiments, the main body includes an actuator, which is movably mounted on the outside of the connecting member and is located on a side of the support member away from the stop member, so that it can approach or move away from the support member during movement relative to the connecting member, and drive the support member to move relative to the connecting member when approaching the support member. The pressure regulating mechanism is arranged between the actuator and the pressure gauge.

[0015] In some embodiments, the device for detecting pressure in a container further includes an inflation mechanism, which is connected to the container via a pressure regulating mechanism to ventilate the interior of the container to increase the pressure in the container.

[0016] In addition, the container pressure detection system provided in the present application includes a container and also includes the container pressure detection device of any embodiment of the present application.

[0017] In some embodiments, the container is a bottle.

[0018] In some embodiments, the container is a PET bottle.

[0019] Since the pressure regulating mechanism is capable of regulating the pressure in the container, the pressure detection device in the container no longer needs to passively wait for the pressure in the container to change, but can actively adjust the pressure value in the container when necessary, which can effectively improve the flexibility of detecting the pressure in the container.

[0020] Other features and advantages of the present application will become apparent from the following detailed description of exemplary embodiments of the present application with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a schematic diagram of an explosion of a device for detecting pressure in a container in an embodiment of the present application.

[0023] Figure 2 It is a bottom view of the device for detecting pressure in a container in an embodiment of the present application.

[0024] Figure 3 Schematic diagram of the structure of the pressure regulating valve in the embodiment of the present application.

[0025] Figure 4 This is a cross-sectional view of the pressure regulating valve in the embodiment of the present application when it is in an open state.

[0026] Figure 5 This is a cross-sectional view of the pressure regulating valve in the embodiment of the present application when it is in a closed state.

[0027] Description of reference numerals:

[0028] 10. Container internal pressure detection device; 101. Main body; 102. Pressure regulating mechanism;

[0029] 1. Detection assembly; 11. Pressure gauge; 12. Dial; 13. Connector; 15. Connector; 16. Stopper; 17. Connecting hole;

[0030] 2. Sealing component; 21. Support member; 22. Sealing member;

[0031] 3. Actuating member;

[0032] 4. Limiting parts;

[0033] 5. Fixing device;

[0034] 6. Fixing member; 61. First fixing portion; 62. Second fixing portion; 63. Connecting portion; 64. Fastener; 65. First slot; 66. Second slot; 67. Connecting rod;

[0035] 7. Reinforcement;

[0036] 8. pressure regulating valve; 81. valve body; 82. valve core; 83. flange; 84. vent cavity; 85. vent; 86. elastic member; 87. spring;

[0037] 9. Connecting device; 91. Casing; 92. Tee. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without carrying out creative work are within the scope of protection of this application.

[0039] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered as part of the specification.

[0040] In the description of the present application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present application; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0041] In the description of the present application, it should be understood that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the present application.

[0042] In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.

[0043] In order to detect the pressure changes in containers such as bottles, the traditional approach is to use destructive methods such as puncturing the container to achieve the corresponding pressure detection purpose. However, this destructive detection method cannot track and monitor the pressure changes in the same container for a long time, and there are problems such as inconvenience in detection and inaccurate detection results. Because when using this destructive test method, a sample can only be detected once. To detect the pressure change, it is necessary to reserve multiple samples, and destroy a sample at a certain interval for pressure detection. Then, the pressure change detection result of the product is obtained from the pressure detection results of all samples. In the corresponding process, multiple samples are reserved, and a sample is destroyed at a certain interval for detection, which makes the detection process complicated and difficult, affecting the convenience of detection. Moreover, since the destruction of each sample (such as the position and size of the perforation on each container) is difficult to keep completely consistent, and the initial pressure of each sample may not be the same, it is easy to affect the accuracy of the pressure detection result.

[0044] In view of the drawbacks of the above-mentioned destructive detection method, the relevant technology proposes a non-destructive detection method based on a pressure detection device inside the container. In the corresponding non-destructive detection method, the pressure detection device inside the container is directly extended into the container, and while the container opening is sealed with a seal, a pressure measuring device (such as a pressure gauge) is used to directly detect the pressure inside the container to obtain the pressure loss situation inside the product container, thereby realizing long-term tracking of the pressure of the same sample.

[0045] The above-mentioned non-destructive detection method does not need to destroy the container itself by puncturing or other means. Therefore, there is no need to reserve multiple samples, and there is no need to perform destructive detection on different samples at intervals. Instead, the pressure detection device in the container can be directly placed in the same sample, and the pressure change in the container of the same sample can be detected for a long time. Therefore, it can effectively simplify the detection process, reduce the difficulty of detection, and facilitate the detection of pressure in the container. Moreover, since it is only necessary to directly place the pressure detection device in the container in the same sample, the pressure change in the same container can be detected without destroying different samples, and it is not affected by the damage of different samples and the consistency of initial pressure. Therefore, a more accurate detection result can be obtained, which effectively improves the accuracy of the pressure detection result in the container. At the same time, since there is no need to destroy the sample, it can also reduce sample waste and save costs.

[0046] It can be seen that the above-mentioned non-destructive detection method based on the pressure detection device inside the container can effectively facilitate the detection of the pressure inside the container, and improve the accuracy of the pressure detection results inside the container, and conveniently realize the accurate detection of the pressure inside the container, which is conducive to more accurately judging whether the product is qualified, or more accurately guiding the theoretical filling value of the pressure inside the container, effectively improving product quality.

[0047] However, practice has found that both the above-mentioned non-destructive detection method based on the pressure detection device inside the container and the above-mentioned destructive detection method using puncture and perforation can only passively wait for the pressure inside the container to change, and cannot artificially change the pressure value inside the container. This leads to the lack of flexibility in the detection process, which has an adverse impact on detection efficiency, detection cost and detection accuracy.

[0048] For example, in some cases, during the detection process, the pressure in the container may be insufficient or excessive. In this case, if the pressure value cannot be adjusted, the detection can no longer be continued and can only be re-detected, which affects the detection efficiency and increases the detection cost.

[0049] For another example, when using the detection method in the relevant technology, the pressure value, especially the initial pressure value, needs to be obtained through calculation. For example, in the case where the gas in the container can be generated by chemical reaction, it is generally necessary to configure chemical reagents, release the gas, and then calculate the gas release amount through the changes in the reagents before and after the reaction to obtain the pressure value. The pressure value obtained by this calculation has a large deviation, which affects the accuracy of the detection result.

[0050] For example, in some cases, the pressure value may need to be changed during the detection process to achieve the detection purpose under a specific pressure. However, when using the detection method in the relevant technology, since the pressure value cannot be actively changed, the corresponding detection requirements cannot be met, affecting the detection efficiency and accuracy.

[0051] In view of the above situation, the present application provides a container pressure detection device and a container pressure detection system, which improves the structure of the container pressure detection device to improve the detection flexibility, thereby improving the detection efficiency, reducing the detection cost, and improving the detection accuracy.

[0052] Figure 1-Figure 5 The structure of the pressure detection device in the container of the present application is shown exemplarily.

[0053] See also Figure 1-Figure 5 In the present application, the pressure detection device 10 in a container includes a body 101 and a pressure regulating mechanism 102. The body 101 extends into the container and communicates with the inside of the container to detect the pressure in the container. The pressure regulating mechanism 102 is arranged on the body 101 and communicates with the container through the body 101 to adjust the pressure in the container by controlling the gas to enter and / or exit the container.

[0054] Since the provided pressure regulating mechanism 102 can control the gas flow into the container, replenish gas into the container, increase the pressure in the container, and / or control the gas flow out of the container, exhaust gas, and reduce the pressure in the container, the pressure detection device 10 in the container no longer needs to passively wait for the pressure change in the container, but can actively adjust the pressure value in the container when necessary, so as to flexibly meet more diverse detection needs.

[0055] For example, if during the detection process, the pressure in the container is insufficient or too high, and the detection cannot be continued, the pressure regulating mechanism 102 can be used to adjust the pressure value in the container so that the pressure in the container returns to a level that can be detected normally, and the detection can be continued. This can avoid re-detection, thereby helping to improve detection efficiency and save detection costs.

[0056] For another example, at the beginning of the test, the pressure in the container can be adjusted to a preset value using the pressure regulating mechanism 102, and then the test is performed. In this way, the initial pressure value in the container no longer needs to be obtained by calculation, but can be directly set by the pressure regulating mechanism 102, which has a smaller deviation and is conducive to improving the accuracy of the test results.

[0057] For another example, if the pressure value needs to be changed during the detection process to achieve the detection purpose under a specific pressure, the pressure regulating mechanism 102 can be used to actively adjust the pressure in the container to achieve the change of the pressure value, effectively meet the corresponding detection requirements, and improve the detection efficiency and accuracy.

[0058] It can be seen that by adding a pressure regulating mechanism 102 to the main body 101 of the container pressure detection device 10, the use flexibility of the container pressure detection device 10 can be effectively increased, which is conducive to improving detection efficiency, saving detection costs, and improving detection accuracy.

[0059] In addition, by adding the pressure regulating mechanism 102, the application scope of the pressure detection device 10 in the container is also wider. It can be applied not only to the situation where the gas in the container needs to be generated by a chemical reaction, but also to the situation where the gas in the container cannot be generated by a chemical reaction. This is because, based on the set pressure regulating mechanism 102, even if the gas in the container cannot be generated by a chemical reaction, it can be added through the pressure regulating mechanism 102 and then normally detected. That is to say, based on the set pressure regulating mechanism 102, no matter what kind of gas, it can be added into the container to carry out pressure detection.

[0060] Furthermore, since the pressure regulating mechanism 102 enables the container pressure detection device 10 to be applicable to situations where the gas in the container cannot be generated through chemical reactions, when using the container pressure detection device 10 of the present application, it is no longer necessary to configure the solution, thereby reducing the use of chemical reagents and the solution configuration time, which is conducive to improving detection efficiency, reducing detection costs, and enhancing detection safety.

[0061] It can be seen that based on the provided pressure regulating mechanism 102, the container pressure detection device 10 has higher flexibility in use and can achieve a more efficient, accurate, safe, low-cost and wide-range container pressure detection process.

[0062] As an example of the pressure regulating mechanism 102, see Figure 1-Figure 5 The pressure regulating mechanism 102 includes a pressure regulating valve 8, which includes a valve body 81 and a valve core 82. A vent cavity 84 is provided in the valve body 81, and the vent cavity 84 is connected to the container through the main body 101. A vent port 85 connected to the vent cavity 84 is provided on the valve body 81. The valve core 82 is movably arranged in the valve body 81, and during the movement, the vent port 85 on the valve body 81 is controlled to be opened and closed to control the gas to enter and / or exit the container. In this way, the gas can be controlled to enter / exit the container by simply controlling the movement of the valve core 82, so as to adjust the pressure in the container, which is simple and convenient.

[0063] Further, see Figure 4 and Figure 5 In some embodiments, the pressure regulating valve 8 includes not only a valve body 81 and a valve core 82, but also an elastic member 86. The elastic member 86 is disposed in the vent cavity 84 and abuts between the valve core 82 and the valve body 81, exerting an elastic force on the valve core 82 to close the vent 85. Based on this, the valve core 82 can automatically reset under the action of the elastic member 86, close the vent 85, and stop replenishing and / or exhausting the container, which is simple and convenient, saves time and effort, and is conducive to further improving the detection efficiency and saving the detection cost.

[0064] In addition, in order to facilitate the connection between the pressure regulating valve 8 and the body 101, see Figure 1 In some embodiments, the pressure regulating mechanism 102 includes a connecting device 9, which connects the body 101 and the pressure regulating valve 8, and connects the body 101 with the vent 85 of the pressure regulating valve 8. In this solution, the pressure regulating valve 8 is connected and communicated with the body 101 through the connecting device 9. In this case, it is only necessary for the size of the connecting device 9 to match the body 101 and the pressure regulating valve 8 respectively, and there are no excessive requirements for the degree of adaptation of the size between the pressure regulating valve 8 and the body 101. Therefore, it is more convenient to achieve the connection and communication between the pressure regulating valve 8 and the body 101.

[0065] The structure of the connecting device 9 can be varied. Figure 1 In some embodiments, the body 101 includes a pressure gauge 11 and a connector 15. The connector 15 is connected to the pressure gauge 11 and is used to extend into the container to connect the interior of the container with the interior of the pressure gauge 11. The pressure gauge 11 detects the pressure inside the container. In this case, see Figure 1As an example of the connecting device 9, the connecting device 9 includes a sleeve 91 and a tee 92. The sleeve 91 is sleeved outside the pressure regulating valve 8. The tee 92 is communicated with the pressure gauge 11 and the connector 15, and is communicated with the sleeve 91 to achieve the communication between the body 101 and the vent 85 of the pressure regulating valve 8. In this way, the sleeve 91 realizes the connection and communication between the tee 92 and the pressure regulating valve 8, and the tee 92 realizes the connection and communication between the sleeve 91 and the pressure gauge 11 and the connector 15 of the body 101, so that the communication between the body 101 and the pressure regulating valve 8 can be conveniently achieved based on a relatively simple structure.

[0066] The sleeve 91 and the pressure regulating valve 8 can be connected in various ways such as threaded connection or clamping. When the sleeve 91 and the pressure regulating valve 8 are threadedly connected, not only is the connection convenient, but the thread has a sealing effect, which can achieve a sealed connection between the sleeve 91 and the pressure regulating valve 8 to prevent gas leakage, thereby facilitating a more accurate and efficient pressure regulation process.

[0067] In addition, the tee 92 and the pressure gauge 11, the connector 15 and the sleeve 91 can also be connected in various ways such as threaded connection or clamping. When the tee 92 and at least one of the pressure gauge 11, the connector 15 and the sleeve 91 are threadedly connected, not only is the connection convenient, but also a sealed connection can be achieved to prevent gas leakage, thereby facilitating a more accurate and efficient pressure regulation process.

[0068] In the above embodiments, the position of the pressure regulating mechanism 102 on the body 101 can be varied. Figure 1 In some embodiments, the body 101 includes a stopper 16, a support 21 and a seal 22. The stopper 16 is disposed at one end of the connector 15 away from the pressure gauge 11. The connector 15 is connected to the interior of the container through the stopper 16. The support 21 is located on a side of the stopper 16 close to the pressure gauge 11 and is movably sleeved on the outside of the connector 15. The seal 22 is disposed on the support 21 so that during the relative movement between the support 21 and the connector 15, the stopper 16 is squeezed and deformed to seal the opening of the container. In this case, see Figure 1 In some embodiments, the pressure regulating mechanism 102 is disposed between the support member 21 and the pressure gauge 11 .

[0069] The pressure regulating mechanism 102 is disposed between the support member 21 and the pressure gauge 11, so that the support member 21 can move relative to the connecting member 15, and the container opening can be sealed by the sealing member 22. It can be seen that by disposing the pressure regulating mechanism 102 between the support member 21 and the pressure gauge 11, the pressure in the container can be regulated while the sealing member 22 can seal the container opening.

[0070] Specifically, see Figure 1In some embodiments, the body 101 includes not only the stopper 16, the support 21 and the seal 22, but also the actuator 3, which is movably sleeved on the outside of the connection member 15 and is located on the side of the support 21 away from the stopper 16, so as to approach or move away from the support 21 during the movement relative to the connection member 15, and drive the support 21 to move relative to the connection member 15 during the process of approaching the support 21, and the pressure regulating mechanism 102 is arranged between the actuator 3 and the pressure gauge 11. At this time, the pressure regulating mechanism 102 is not only located between the support 21 and the pressure gauge 11, but also located between the actuator 3 and the pressure gauge 11, and will not interfere with the actuator 3 driving the movement of the support 21, so as to facilitate the sealing of the container opening.

[0071] As an improvement to the above embodiments, the container pressure detection device 10 further includes an air filling mechanism, which is connected to the container through the pressure regulating mechanism 102 to ventilate the container to increase the pressure in the container. In this way, air can be easily added to the container to increase the pressure in the container.

[0072] Next, combine Figure 1-Figure 5 The embodiments shown are used to further illustrate the present application.

[0073] like Figure 1-Figure 5 As shown, in this embodiment, the container pressure detection device 10 includes a body 101. The body 101 is used to extend into the container, communicate with the container in a sealed manner, and detect the pressure in the container, and includes a detection component 1, a sealing component 2, an actuator 3, a limiter 4, and a fixing device 5. In addition, the detection component 1 includes a pressure gauge 11, a connecting member 15, and a stopper 16, the sealing component 2 includes a supporting member 21 and a sealing member 22, and the fixing device 5 includes a fixing member 6 and a reinforcing member 7.

[0074] The pressure gauge 11 is used as a pressure measuring piece to detect the pressure in the container. Figure 1 As shown, in this embodiment, the pressure gauge 11 includes a dial 12 and a joint 13. The dial 12 is provided with a scale and a pointer, and the upper surface of the dial 12 is a disk surface, which is transparent, so that the dial 12 can clearly display the pressure value. The joint 13 is cylindrical, which is connected to the lower surface of the dial 12 (i.e., the surface of the dial 12 opposite to the disk surface) and extends downward from the lower surface of the dial 12. A vent hole (not shown in the figure) is provided in the joint 13, and the vent hole is connected to the inside of the dial 12. When the internal space of the container is connected to the inside of the dial 12 via the vent hole, the pressure gauge 11 can detect the pressure inside the container and display it on the dial 12.

[0075] The connecting member 15 is connected to the pressure gauge 11 and provides a mounting base for the stopper 16 and the actuator 3. Figure 1As shown, in this embodiment, the connecting member 15 is cylindrical, which is sleeved on the outside of the joint 13 and protrudes in a direction away from the dial 12 (i.e., downward) relative to the joint 13. A thread is provided on the outer surface of the connecting member 15 for realizing a threaded connection with the actuator 3. In addition, the connecting member 15 is hollow inside and communicates with the vent hole of the pressure gauge 11, so that the connecting member 15 can communicate with the stopper 16 and the inside of the dial 12.

[0076] The stopper 16 is fixed to the connecting member 15 and is used to squeeze the sealing member 22 to seal the opening of the container as the connecting member 15 moves upward. Figure 1 and Figure 2 As shown, in this embodiment, the stopper 16 is cylindrical, fixed to the lower end of the connector 15, and a connecting hole 17 is provided at the center thereof, which passes through the stopper 16 in the thickness direction (i.e., the up-down direction). The connecting hole 17 connects the external environment with the interior of the connector 15, so that the connecting hole 17 is connected to the interior of the pressure gauge 11 through the connector 15, so that when the stopper 16 is inserted into the container, the gas inside the container can enter the inside of the dial 12 through the connecting hole 17, the connector 15 and the vent hole, so that the pressure gauge 11 can detect the pressure inside the container, and then, after a period of time, the pressure change inside the container can be detected. In this embodiment, the outer diameter of the stopper 16 is larger than the outer diameter of the connector 15, and the outer diameters of the connector 15 and the stopper 16 are both smaller than the inner diameter of the opening of the container, so that when in use, the lower part of the connector 15 and the stopper 16 can be inserted into the container through the opening of the container.

[0077] The actuator 3 is sleeved on the connecting member 15, and is used to drive the relative movement between the connecting member 15 and the supporting member 21 by moving relative to the connecting member 15, so that the sealing member 22 expands or relaxes, thereby controlling whether the opening of the container is sealed. In this embodiment, the actuator 3 is a nut, and a thread is provided on its inner surface, which cooperates with the thread on the outer surface of the connecting member 15 to achieve a threaded connection between the actuator 3 and the connecting member 15.

[0078] The support member 21 is sleeved on the connecting member 15 and is located between the actuating member 3 and the stopper 16, and is used to support the sealing member 22 and the limiting member 4. Figure 1 As shown, in this embodiment, the support member 21 is cylindrical, which is sleeved on the connecting member 15 and is located below the threads on the outer surface of the connecting member 15, and its inner surface is smooth, so that the support member 21 and the connecting member 15 are slidably connected and can move relative to each other along their axial directions. Figure 1It can be seen that in this embodiment, the outer diameter of the support member 21 is smaller than the outer diameter of the actuator 3 and larger than the inner diameter of the actuator 3. In this way, when the actuator 3 is screwed downward, the actuator 3 can abut against the upper end surface of the support member 21, apply a force to the support member 21, and then be subjected to a reaction force applied by the support member 21. In this way, when the support member 21 cannot move downward due to the limiting effect of the limiting member 4, the actuator 3 continues to be screwed. Since the actuator 3 is blocked by the support member 21, it cannot continue to move downward. Therefore, the connecting member 15 will move upward under the action of the actuator 3, and then drive the stopper 16 to move upward together, so that the stopper 16 can produce a relative movement relative to the seal 22 on the support member 21, squeeze the seal 22, flatten and widen the seal 22, and seal the opening of the container.

[0079] The limiter 4 is disposed on the support member 21 and is used to limit the downward movement of the support member 21 by abutting against the upper end surface of the container opening, so as to achieve relative movement between the support member 21 and the connecting member 15, and further achieve relative movement between the stopper 16 and the sealing member 22, thereby completing the sealing of the container opening. Figure 1 As shown, in this embodiment, the limit member 4 is cylindrical, fixed to the lower end of the support member 21, and has an outer diameter larger than the opening of the container, so that it can be pressed on the upper end surface of the opening of the container to limit the downward displacement of the support member 21 and the sealing member 22 located on the support member 21.

[0080] The sealing member 22 is disposed on the support member 21 and is used to seal the opening of the container. In this embodiment, the sealing member 22 is made of food grade silicone and, as Figure 1 As shown, the sealing member 22 is cylindrical, which is sleeved on the outside of the connecting member 15, and is located below the limiting member 4 and above the stopper 16, and is fixed to the lower surface of the limiting member 4 by gluing or the like.

[0081] The fixing member 6 is clamped on the supporting member 21 and is clamped on the container, and is used to fix the container internal pressure detection device 10 on the container together with the reinforcing member 7. Figure 1As shown, in this embodiment, the fixing member 6 includes a first fixing portion 61, a second fixing portion 62 and a connecting portion 63. The first fixing portion 61 and the second fixing portion 62 are both plate-shaped, and are arranged at intervals along the up-down direction, and are opposite to each other, and are supported by the connecting portion 63. In addition, the first fixing portion 61 and the second fixing portion 62 are respectively provided with a first clamping groove 65 and a second clamping groove 66. The first clamping groove 65 and the second clamping groove 66 are both non-enclosed arc grooves with open side walls, and are respectively adapted to the outer surface of the support member 21 and the outer surface below the support ring of the container to achieve the clamping of the fixing member 6 with the support member 21 and the container. The connecting portion 63 is supported between the first fixing portion 61 and the second fixing portion 62, and includes two connecting rods 67, which are arranged on both sides of the center of the first clamping groove 65 and the second clamping groove 66, and are both connected to the first fixing portion 61 and the second fixing portion 62 through fasteners 64 to support the first fixing portion 61 and the second fixing portion 62.

[0082] The reinforcing member 7 is sleeved on the outside of the supporting member 21, and is used to fix the container internal pressure detection device 10 on the container together with the fixing member 6. Figure 1 As shown, in this embodiment, the reinforcing member 7 is a nut, and a thread is provided on its inner surface. Correspondingly, a thread is provided on the outer surface of the supporting member 21, so that the reinforcing member 7 and the supporting member 21 are threadedly connected. Figure 1 It can be seen that in this embodiment, in the up and down directions (also in the axial direction of the connecting member 15 and the supporting member 21), the reinforcing member 7 is located between the actuator 3 and the limiting member 4, and between the first fixing portion 61 and the limiting member 4, and the outer diameter of the reinforcing member 7 is larger than the size of the first slot 65. In this way, the reinforcing member 7 can fasten the first fixing portion 61 between the actuator 3 and the reinforcing member 7.

[0083] It can be seen that in this embodiment, the support member 21 is slidably mounted on the outside of the connecting member 15, the actuator 3 is threadedly connected to the outside of the connecting member 15, the reinforcement member 7 is threadedly connected to the outside of the support member 21, the limit member 4 and the seal 22 are fixed to the support member 21, and the dial 12, the actuator 3, the first fixed portion 61, the reinforcement member 7, the limit member 4, the seal 22 and the stop member 16 are arranged in sequence from top to bottom.

[0084] Based on the above structural arrangement, the container pressure detection device 10 of this embodiment can conveniently realize accurate detection of pressure changes in the same container, and its working process can be roughly as follows:

[0085] (1) After the inspector confirms that the pressure gauge 11 is working properly, he / she confirms whether the seal 22 is in a relaxed state without deformation. If the seal 22 is deformed, the actuator 3 can be screwed upward to restore the seal 22 to a relaxed state.

[0086] (2) When the seal 22 is in a relaxed state, remove the fixing member 6 from the supporting member 21, and then insert the pressure detection device 10 into the container through the opening of the container so that the limiting member 4 is pressed on the upper end surface of the opening of the container. At this time, the seal 22 and the stopper 16 are both located inside the container. Thereafter, the actuator 3 is quickly screwed downward to allow the connecting member 15 to drive the stopper 16 and the pressure gauge 11 to move upward together. The stopper 16 squeezes the seal 22 so that the seal 22 changes from a relaxed state to an expanded state, thereby sealing the opening of the container.

[0087] (3) After the sealing member 22 seals the opening of the container, the first slot 65 of the fixing member 6 is clamped on the portion of the supporting member 21 located between the actuating member 3 and the reinforcing member 7, and the second slot 66 of the fixing member 6 is clamped under the supporting ring of the container.

[0088] (4) Tighten the reinforcing member 7 upwards and fasten the fixing member 6 to the supporting member 21, so that the fixing member 6 fixes the container internal pressure detection device 10 and the container together.

[0089] (5) Regularly observe and record the reading of the pressure gauge 11 to obtain the pressure change detection results inside the container.

[0090] It can be seen that, based on the provided main body 101, the container internal pressure detection device 10 of this embodiment can be placed on the container for a long time without damaging the container, so as to detect the pressure change in the same product, thereby conveniently realizing accurate detection of the container pressure change. The corresponding detection result can be used as one of the conditions for judging whether the corresponding product is qualified, or can be used to guide the theoretical filling value of the pressure in the product.

[0091] In order to improve the use flexibility of the container pressure detection device 10, as shown in FIG. Figure 1-Figure 5 As shown, the container pressure detection device 10 of this embodiment includes not only a body 101, but also a pressure regulating mechanism 102. The pressure regulating mechanism 102 is arranged on the body 101, and is used to increase or decrease the pressure in the container by inflating and exhausting the container, thereby adjusting the pressure in the container.

[0092] Specifically, Figure 1 As shown, in this embodiment, the pressure regulating mechanism 102 is arranged between the actuator 3 and the pressure gauge 11, and includes a pressure regulating valve 8, a sleeve 91 and a tee 92. The pressure regulating valve 8 is arranged in the sleeve 91, and the sleeve 91 is connected to the pressure gauge 11 and the connecting piece 15 of the body 101 through the tee 92, and communicates with the pressure gauge 11 and the connecting piece 15, thereby realizing the connection and communication between the pressure regulating valve 8 and the body 101.

[0093] Among them, Figure 1As shown, in this embodiment, the tee 92 is arranged between the actuator 3 and the pressure gauge 11, and two of its three ports are respectively threadedly connected and communicated with the connector 15 and the joint 13 of the pressure gauge 11, and at the same time, another of the three ports of the tee 92 is threadedly connected and communicated with the sleeve 91. Specifically, after passing through the actuator 3, one port of the tee 92 (which can be called the first port) extends into the connector 15 and is threadedly connected with the connector 15, so that the tee 92 is sealed and connected with the connector 15, so that when the connector 15 is inserted into the container, the container can be connected with the tee 92 through the connector 15. At the same time, the other port of the tee 92 (which can be called the second port) is sleeved on the outside of the joint 13 of the pressure gauge 11 and is threadedly connected with the joint 13, so that the tee 92 is sealed and connected with the pressure gauge 11, so that when the connector 15 is inserted into the container, the container can be connected with the inside of the pressure gauge 11 through the connector 15 and the tee 92, so that the pressure gauge 11 can detect the pressure change inside the container. Furthermore, the third port of the tee 92 (which may be referred to as the third port) is sleeved on the outside of the sleeve 91 and is threadedly connected to the sleeve 91. In this way, the tee 92 is sealed and connected to the sleeve 91. When the connector 15 is inserted into the container, the container can be connected to the sleeve 91 through the tee 92, and further connected to the pressure regulating valve 8 inside the sleeve 91 through the sleeve 91, so that the pressure regulating valve 8 controls the gas entering and exiting the container to realize the inflation or exhaust of the container.

[0094] The pressure regulating valve 8 is inserted into the sleeve 91 to control whether the sleeve 91 is connected to an external gas source or the external atmosphere, so as to control the gas in and out of the container and adjust the gas pressure in the container. Figure 1 and Figure 3-Figure 5 As shown, in this embodiment, the pressure regulating valve 8 includes a valve body 81, a valve core 82 and an elastic member 86. A vent cavity 84 is provided in the valve body 81, and a vent port 85 is provided at the first end of the valve body 81, and the vent port 85 connects the vent cavity 84 with the outside. The valve core 82 is movably inserted into the valve body 81 and passes through both ends of the valve body 81, one end of which extends out from the vent port 85, and the other end extends out from the second end of the valve body 81. At the same time, a flange 83 is provided between the two ends of the valve core 82, and the flange 83 is located outside the vent port 85 and has a radial dimension greater than the vent port 85. In this way, during the movement of the valve core 82, the flange 83 blocks or moves away from the vent port 85, so as to control the opening and closing of the vent port 85, and further control whether the gas flows through the vent cavity 84. Under normal conditions, the flange 83 blocks the vent port 85, so that the vent port 85 is closed. The elastic member 86 is arranged in the ventilation cavity 84 and includes a spring 87, which is sleeved on the valve core 82 and abuts between the valve core 82 and the inner wall of the valve body 81, exerting an elastic force on the valve core 82 to make the flange 83 of the valve core 82 block the ventilation port 85, so that the valve core 82 can automatically reset.

[0095] When installed on the sleeve 91, the first end of the valve body 81 provided with the vent 85 extends into the sleeve 91, so as to control the movement of the valve core 82 to control whether the vent 85 is opened, and communicate with the interior of the container through the sleeve 91 and the three-way 92. At the same time, the end of the valve core 82 extending from the second end of the valve body 81 opposite to the first end is exposed outside the sleeve 91, so as to facilitate the action on the valve core 82, control the movement of the valve core 82, and close or open the vent 85. In addition, the outer wall of the valve body 81 is provided with a thread, so as to realize the threaded connection between the pressure regulating valve 8 and the sleeve 91 after being inserted into the sleeve 91, so as to prevent gas leakage.

[0096] Based on the provided pressure regulating mechanism 102, when it is necessary to increase the pressure in the container, refer to Figure 4 , an inflator such as an air pump used as an external air source can be pressed on the valve core 82 to drive the valve core 82 to move, open the air vent 85, and the inflator such as an air pump can be used to inflate the container through the pressure regulating valve 8, the sleeve 91, the third port of the tee 92, the first port of the tee 92 and the connector 15 to replenish the air in the container and increase the pressure in the container; after the appropriate pressure is replenished, the inflator such as the air pump is removed, and the valve core 82 is automatically reset under the action of the spring 87 to close the air vent 85 (see Figure 5 ), so that the gas replenishing process ends.

[0097] When it is necessary to reduce the pressure in the container, refer to Figure 4 , press the valve core 82 to open the vent 85, so that the gas in the container can be automatically discharged through the connector 15, the first port of the tee 92, the third port of the tee 92, the sleeve 91 and the pressure regulating valve 8, to achieve an automatic deflation process, so that the pressure in the container is reduced; after the pressure is reduced to a suitable pressure, stop pressing the valve core 82 to release the action on the valve core 82, and then see Figure 5 The valve core 82 is automatically reset under the action of the spring 87, closing the vent 85, so that the deflation process ends.

[0098] It can be seen that, based on the set pressure regulating mechanism 102, the container pressure detection device 10 of this embodiment can not only track the pressure changes in the same product for a long time, but also can flexibly and freely perform inflation and deflation experiments, and change the air pressure value in the container at any time to increase or decrease the pressure in the container. In this way, on the one hand, it can effectively solve the problem that when the pressure in the container is insufficient or the pressure is too high, it is impossible to continue to detect, and can only be re-detected, resulting in low efficiency and high cost; on the other hand, regardless of whether the test gas can be generated by chemical reaction, it can be successfully detected, effectively expanding the scope of application of the container pressure detection device 10; on the other hand, it can directly add gas without the need to configure a solution for releasing gas, thereby reducing the use of chemical reagents and the time for configuring solutions, which is beneficial to improving detection efficiency, reducing detection costs, and improving detection safety; on the other hand, the air pressure value in the container can be accurately determined by inflating the container, thereby helping to improve detection accuracy.

[0099] Therefore, the container pressure detection device 10 of this embodiment can not only realize long-term tracking of the pressure inside the same product, but also realize a more flexible, efficient, accurate, safe, low-cost and large-scale container pressure detection process.

[0100] Based on the container pressure detection device 10 of the aforementioned embodiments, the present application further provides a container pressure detection system, which includes a container and also includes the container pressure detection device 10 of any embodiment of the present application. The container may be a bottle, specifically, in some embodiments, the container is a PET bottle, specifically a 28-caliber PET bottle. It can be understood that when the container is a bottle, the container pressure detection device 10 is a bottle pressure detection device, and the opening of the container is the bottle mouth of the bottle.

[0101] The above description is only an exemplary embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A device (10) for detecting pressure in a container, characterized in that: include: The body (101) extends into the container and communicates with the interior of the container to detect the pressure in the container; and The pressure regulating mechanism (102) is arranged on the body (101) and is connected to the container through the body (101) so as to regulate the pressure in the container by controlling the gas to enter and / or exit the container.

2. The container pressure detection device (10) according to claim 1, characterized in that: The pressure regulating mechanism (102) comprises a pressure regulating valve (8), the pressure regulating valve (8) comprising a valve body (81) and a valve core (82), a vent cavity (84) being provided in the valve body (81), the vent cavity (84) being connected to the container through the main body (101), a vent port (85) being provided on the valve body (81) and connected to the vent cavity (84), the valve core (82) being movably arranged in the valve body (81), and controlling the opening and closing of the vent port (85) on the valve body (81) during movement, so as to control the gas to enter and / or exit the container.

3. The container pressure detection device (10) according to claim 2, characterized in that: The pressure regulating valve (8) further comprises an elastic member (86), wherein the elastic member (86) is arranged in the ventilation cavity (84) and abuts between the valve core (82) and the valve body (81), and applies an elastic force to the valve core (82) so as to close the ventilation port (85).

4. The container internal pressure detection device (10) according to claim 2, characterized in that: The pressure regulating mechanism (102) comprises a connecting device (9), wherein the connecting device (9) connects the main body (101) and the pressure regulating valve (8), and connects the main body (101) and the vent (85) of the pressure regulating valve (8).

5. The container internal pressure detection device (10) according to claim 4, characterized in that: The body (101) comprises a pressure gauge (11) and a connecting piece (15); the connecting piece (15) is connected to the pressure gauge (11) and is used to extend into the container to connect the interior of the container with the interior of the pressure gauge (11); the pressure inside the container is detected by the pressure gauge (11); the connecting device (9) comprises a sleeve (91) and a tee (92); the sleeve (91) is sleeved on the outside of the pressure regulating valve (8); the tee (92) is connected to the pressure gauge (11) and the connecting piece (15), and is also connected to the sleeve (91) to achieve communication between the body (101) and the vent (85) of the pressure regulating valve (8).

6. The device (10) for detecting pressure in a container according to claim 5, characterized in that: The sleeve (91) is threadedly connected to the pressure regulating valve (8); and / or the tee (92) is threadedly connected to at least one of the pressure gauge (11), the connecting piece (15) and the sleeve (91).

7. The container internal pressure detection device (10) according to claim 5, characterized in that: The body (101) comprises a stopper (16), a support member (21) and a sealing member (22); the stopper (16) is arranged at an end of the connecting member (15) away from the pressure gauge (11); the connecting member (15) is connected to the interior of the container through the stopper (16); the support member (21) is located on a side of the stopper (16) close to the pressure gauge (11) and is movably sleeved on the outside of the connecting member (15); the sealing member (22) is arranged on the support member (21) so as to be squeezed and deformed by the stopper (16) during the relative movement between the support member (21) and the connecting member (15) to seal the opening of the container; the pressure regulating mechanism (102) is arranged between the support member (21) and the pressure gauge (11).

8. The container internal pressure detection device (10) according to claim 7, characterized in that: The body (101) comprises an actuating member (3), wherein the actuating member (3) is movably mounted on the outside of the connecting member (15) and is located on a side of the supporting member (21) away from the stop member (16), so as to approach or move away from the supporting member (21) during movement relative to the connecting member (15), and drive the supporting member (21) to move relative to the connecting member (15) during the process of approaching the supporting member (21). The pressure regulating mechanism (102) is arranged between the actuating member (3) and the pressure gauge (11).

9. The container internal pressure detection device (10) according to any one of claims 1 to 5, characterized in that: The container internal pressure detection device (10) further comprises an air filling mechanism, which is connected to the container via the pressure regulating mechanism (102) to ventilate the interior of the container and increase the pressure in the container.

10. A system for detecting pressure in a container, comprising a container, characterized in that: It also comprises a container internal pressure detection device (10) as claimed in any one of claims 1 to 9.

11. The container pressure detection system according to claim 10, characterized in that: The container is a bottle.

12. The container pressure detection system according to claim 11, characterized in that: The container is a PET bottle.

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