A large infusion soft bag pressure resistance detection device

Abstract

The utility model relates to detection device technical field, concretely relates to a large infusion soft bag pressure resistance detection device. Including elevating system, pressing mechanism and visual monitoring mechanism, the pressing mechanism includes the connecting block with elevating system connection, and the connecting block bottom slidingly connected has the pressing plate, and the pressing plate top is provided with pressure sensor, and the pressing plate is used for pressing the large infusion soft bag, and pressure sensor is used for in the extrusion of pressing plate and connecting block real -time monitoring the size of pressure on the large infusion soft bag, visual monitoring mechanism is used for real -time monitoring whether there is the liquid leakage on the large infusion soft bag, through elevating system control pressing plate moves down and presses the large infusion soft bag, and pressure sensor can real -time monitoring the change of the pressure on the large infusion soft bag, obtains the corresponding data, and through visual monitoring mechanism can real -time monitoring the pressure that the large infusion soft bag can bear.

Description

Technical Field

[0001] This utility model relates to the field of testing device technology, specifically to a pressure resistance testing device for large-volume infusion soft bags. Background Technology

[0002] Large-volume parenteral solution bags may be subjected to various pressures during production, transportation, and storage. If their pressure resistance is poor, they are prone to rupture and leakage, leading to drug contamination or ineffectiveness, seriously affecting drug quality and safety. Currently, although some pressure resistance testing methods and devices exist for large-volume parenteral solution bags, some cannot accurately control and detect the internal pressure of the bag to a specified value, or it is difficult to record the test data, thus failing to meet the stringent quality testing requirements for large-volume parenteral solution bags. Utility Model Content

[0003] To address the problems existing in the prior art, the purpose of this utility model is to provide a pressure resistance testing device for large-volume infusion soft bags. This device solves the problem that although there are some methods and devices for testing the pressure resistance of large-volume infusion soft bags in the prior art, some of them cannot accurately control and detect the pressure inside the soft bag to a specified value, or it is difficult to record the test data, thus failing to meet the strict quality testing requirements for large-volume infusion soft bags.

[0004] A pressure resistance testing device for large-volume infusion soft bags includes a lifting mechanism, a pressing mechanism, and a visual monitoring mechanism; The pressing mechanism includes a connecting block connected to the lifting mechanism. A pressure plate is slidably connected to the bottom of the connecting block. A pressure sensor is provided above the pressure plate. The pressure plate is used to press the large infusion soft bag. The pressure sensor is used to monitor the pressure on the large infusion soft bag in real time under the squeezing of the pressure plate and the connecting block. The visual monitoring mechanism is used to monitor in real time whether the large-volume infusion soft bag is leaking.

[0005] Furthermore, the pressure resistance testing device includes a base, a housing is provided on top of the base, and the lifting mechanism, pressing mechanism and visual monitoring mechanism are installed in the inner cavity of the housing.

[0006] Furthermore, the lifting mechanism includes a bracket mounted on the base, a crossbeam at the top of the bracket, servo motors at both ends of the crossbeam, and the output shaft at the bottom of the servo motors connected to the top end of a ball screw via a coupling. The bottom end of the ball screw is rotatably connected to the base. The lifting mechanism also includes a connecting plate, with its two sides threadedly connected to the ball screw. A connecting block is connected to the bottom of the connecting plate.

[0007] Furthermore, the lifting mechanism includes a bracket mounted on a base, a crossbeam at the top of the bracket, a servo motor mounted on the crossbeam, and an output shaft at the bottom of the servo motor connected to the top ends of ball screws at both ends of the crossbeam via a transmission mechanism. The bottom ends of the ball screws are rotatably connected to the base. The transmission mechanism includes a synchronous pulley connected to the top end of the ball screw and a synchronous belt for transmission between the two synchronous pulleys. The output shaft at the bottom of the servo motor is connected to one of the synchronous pulleys. The lifting mechanism also includes a connecting plate, with its two sides threadedly connected to a ball screw; a connecting block is connected to the bottom of the connecting plate.

[0008] Furthermore, a column is provided inside the housing cavity, and an upper limit block and a lower limit block are provided on the column; a limit contact is provided on one side of the connecting plate, which is used to cooperate with the upper limit block and the lower limit block to limit the distance of the connecting plate moving up and down.

[0009] Furthermore, the visual monitoring mechanism includes a camera disposed on one side of the housing.

[0010] Furthermore, the visual monitoring mechanism includes a backlight source for supplemental lighting, which is disposed on the inner wall of the other side of the housing.

[0011] Furthermore, the visual monitoring mechanism includes a controller connected to a pressure sensor, a servo motor, a camera, and a backlight source.

[0012] Furthermore, the base is provided with clamps for securing large-volume infusion bags.

[0013] Beneficial effects: The moving mechanism can drive the mounting frame to move quickly. The electric hoists set at the four corners of the mounting frame can fix the plates, preventing changes in the relative positions of the plates and ensuring that the position of the plates is controllable. When placing the plates, the position of the mounting frame can be precisely adjusted by simply moving the mechanism, and then the plates are placed by the electric hoists. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the specification will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0015] Figure 1 This is a schematic diagram of the overall structure in an embodiment of the present utility model.

[0016] In the diagram: 1. Base; 2. Housing; 3. Bracket; 4. Crossbeam; 5. Ball screw; 6. Connecting plate; 7. Connecting seat; 8. Pressure plate; 9. Pressure sensor; 10. Fixture; 11. Upper limit block; 12. Limit contact; 13. Lower limit block; 14. Camera; 15. Backlight source; 16. Controller; 17. Column. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. For ease of explanation, the terms "vertical", "horizontal", "left", "right", "upper", "lower", "inner", "outer", "bottom", etc., used in this specification indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0018] It should be noted that the embodiments and features involved in the embodiments of this utility model can be combined with each other without conflict. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0019] like Figure 1 The device shown is a pressure resistance testing device for large-volume infusion soft bags, including a lifting mechanism, a pressing mechanism and a visual monitoring mechanism; The pressing mechanism includes a connecting block connected to the lifting mechanism. A pressure plate 8 is slidably connected to the bottom of the connecting block. A pressure sensor 9 is provided above the pressure plate 8. The pressure plate 8 is used to press the large infusion soft bag. The pressure sensor 9 is used to monitor the pressure on the large infusion soft bag in real time under the squeezing of the pressure plate 8 and the connecting block. Visual monitoring systems are used to monitor for leaks in large-volume infusion bags in real time.

[0020] In this embodiment, the lifting mechanism controls the pressure plate 8 to move downwards and press the large infusion bag. The pressure sensor 9 can monitor the pressure change on the large infusion bag in real time and obtain the corresponding data. The visual monitoring mechanism can monitor the occurrence of leakage in the large infusion bag under certain pressure conditions, and promptly interrupt the movement of the pressure plate 8 to obtain the pressure that the large infusion bag can withstand. The entire device has a simple structure and can monitor the pressure change on the large infusion bag in a timely manner and obtain the corresponding data, meeting the strict quality inspection requirements for the large infusion bag.

[0021] The pressure resistance testing device includes a base 1, a housing 2 is provided above the base 1, and the lifting mechanism, pressing mechanism and visual monitoring mechanism are installed in the inner cavity of the housing 2.

[0022] In this embodiment, the housing 2 and the base 1 are used to protect the lifting mechanism, the pressing mechanism and the visual monitoring mechanism. A window or door is provided on one side of the housing 2 for inserting or removing the large infusion soft bag.

[0023] The lifting mechanism includes a bracket 3 mounted on a base 1. A crossbeam 4 is provided on the top of the bracket 3. Servo motors are provided at both ends of the crossbeam 4. The output shaft at the bottom of the servo motor is connected to the top of the ball screw 5 through a coupling. The bottom end of the ball screw 5 is rotatably connected to the base 1. The lifting mechanism also includes a connecting plate 6. Both sides of the connecting plate 6 are threadedly connected to the ball screw 5. A connecting block is connected to the bottom of the connecting plate 6.

[0024] In this embodiment, the lifting mechanism has a simple structure, making it easy to install and use. The height of the connecting plate 6 can be adjusted by rotating the ball screw 5, thereby adjusting the height of the pressure plate 8. Adjusting the height of the connecting plate 6 using the ball screw 5 allows for uniform and slow control of the pressure generated by the pressure plate 8, which facilitates improved accuracy of monitoring results. The servo motor and coupling are existing technologies, and the bottom end of the ball screw 5 is connected to the base 1 via bearings.

[0025] In another embodiment, the lifting mechanism includes a bracket 3 mounted on a base 1, a crossbeam 4 on the top of the bracket 3, a servo motor on the crossbeam 4, and an output shaft at the bottom of the servo motor connected to the top of ball screws 5 at both ends of the crossbeam 4 via a transmission mechanism. The bottom of the ball screws 5 is rotatably connected to the base 1. The transmission mechanism includes a synchronous pulley connected to the top of the ball screws 5 and a synchronous belt for transmission between the two synchronous pulleys. The output shaft at the bottom of the servo motor is connected to one of the synchronous pulleys. The lifting mechanism also includes a connecting plate 6, with both sides of the connecting plate 6 threadedly connected to the ball screw 5; a connecting block is connected to the bottom of the connecting plate 6.

[0026] In this embodiment, the lifting mechanism has a simple structure, making it easy to install and use. The height of the connecting plate 6 can be adjusted by rotating the ball screw 5, thereby adjusting the height of the pressure plate 8. Adjusting the height of the connecting plate 6 using the ball screw 5 allows for uniform and slow control of the pressure generated by the pressure plate 8, which facilitates improved accuracy of monitoring results. The servo motor and coupling are existing technologies, and the bottom end of the ball screw 5 is connected to the base 1 via bearings.

[0027] A column 17 is provided inside the cavity of the housing 2, and an upper limit block 11 and a lower limit block 13 are provided on the column 17; a limit contact 12 is provided on one side of the connecting plate 6, which is used to cooperate with the upper limit block 11 and the lower limit block 13 to limit the distance of the connecting plate 6 moving up and down.

[0028] In this embodiment, the movement distance of the connecting plate 6 is limited by the cooperation of the limiting contact 12 with the upper limit block 11 and the lower limit block 13, so as to avoid the pressure plate 8 and the connecting plate 6 from colliding with other components during the movement and causing damage.

[0029] The visual monitoring mechanism includes a camera installed on the inner wall of one side of the housing 2 and a backlight source 15 installed on the inner wall of the other side of the housing 2 for supplementary lighting.

[0030] In this embodiment, the camera can stably monitor changes in the structure of the large-volume infusion soft bag in real time. After supplementing the light with the backlight source 15, the large-volume infusion soft bag can be photographed more clearly.

[0031] It also includes a controller 16 connected to a pressure sensor 9, a servo motor, a camera, and a backlight source 15.

[0032] In this embodiment, the controller 16 is a prior art device, which can be a computer used to edit programs, control device operation, and collect data.

[0033] The base 1 is equipped with a clamp 10 for securing the large infusion bag.

[0034] In this embodiment, the clamp 10 can be used to prevent the large infusion bag from shifting and affecting the accuracy of subsequent monitoring results.

[0035] Although preferred embodiments of the present invention have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including both the preferred embodiments and all changes and modifications falling within the scope of the present invention. Clearly, those skilled in the art can make various alterations and modifications to the present invention without departing from its spirit and scope. Thus, if such modifications and modifications fall within the scope of the claims of the present invention and their equivalents, the present invention also intends to include such modifications and modifications.

Claims

1. A pressure resistance testing device for large-volume infusion soft bags, characterized in that, Includes lifting mechanism, pressing mechanism and visual monitoring mechanism; The pressing mechanism includes a connecting block connected to the lifting mechanism. A pressure plate is slidably connected to the bottom of the connecting block. A pressure sensor is provided above the pressure plate. The pressure plate is used to press the large infusion soft bag. The pressure sensor is used to monitor the pressure on the large infusion soft bag in real time under the squeezing of the pressure plate and the connecting block. The visual monitoring mechanism is used to monitor in real time whether the large-volume infusion soft bag is leaking.

2. The pressure resistance testing device for large-volume infusion soft bags according to claim 1, characterized in that, The pressure resistance testing device includes a base, a housing is provided on top of the base, and the lifting mechanism, pressing mechanism and visual monitoring mechanism are installed in the inner cavity of the housing.

3. The pressure resistance testing device for large-volume infusion soft bags according to claim 2, characterized in that, The lifting mechanism includes a bracket mounted on a base, a crossbeam at the top of the bracket, servo motors at both ends of the crossbeam, and the output shaft at the bottom of the servo motors connected to the top of a ball screw via a coupling. The bottom end of the ball screw is rotatably connected to the base. The lifting mechanism also includes a connecting plate, with its two sides threadedly connected to the ball screw. A connecting block is connected to the bottom of the connecting plate.

4. The pressure resistance testing device for large-volume infusion soft bags according to claim 2, characterized in that, The lifting mechanism includes a bracket mounted on a base, a crossbeam on the top of the bracket, a servo motor mounted on the crossbeam, and an output shaft at the bottom of the servo motor connected to the top of ball screws at both ends of the crossbeam via a transmission mechanism. The bottom of the ball screws is rotatably connected to the base. The transmission mechanism includes a synchronous pulley connected to the top of the ball screws and a synchronous belt for transmission between the two synchronous pulleys. The output shaft at the bottom of the servo motor is connected to one of the synchronous pulleys. The lifting mechanism also includes a connecting plate, with its two sides threadedly connected to a ball screw; a connecting block is connected to the bottom of the connecting plate.

5. A pressure resistance testing device for large-volume infusion soft bags according to claim 3 or 4, characterized in that, A column is installed inside the housing cavity, and an upper limit block and a lower limit block are installed on the column; a limit contact is provided on one side of the connecting plate, which is used to cooperate with the upper limit block and the lower limit block to limit the distance the connecting plate moves up and down.

6. The pressure resistance testing device for large-volume infusion soft bags according to claim 5, characterized in that, The visual monitoring mechanism includes a camera installed on one side of the housing.

7. The pressure resistance testing device for large-volume infusion soft bags according to claim 6, characterized in that, The visual monitoring mechanism includes a backlight source for supplemental lighting, which is located on the inner wall of the other side of the housing.

8. The pressure resistance testing device for large-volume infusion soft bags according to claim 7, characterized in that, The visual monitoring mechanism includes a controller connected to a pressure sensor, a servo motor, a camera, and a backlight source.

9. The pressure resistance testing device for large-volume infusion soft bags according to claim 8, characterized in that, The base (1) is provided with a clamp (10) for fixing the large infusion soft bag.

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