A pressure testing system for fire extinguishers

Abstract

This invention discloses a pressure testing system for fire extinguishers, comprising a base, a protective component, an adjustment mechanism, a first force-applying mechanism, a second force-applying mechanism, a third force-applying mechanism, and a limiting mechanism. The protective component is mounted on the base and has a testing space in the middle, with openings at its upper end and one side. The first force-applying mechanism applies an external force at a first tilt angle to the handle of the fire extinguisher. The second force-applying mechanism applies an external force at a second tilt angle to the handle of the fire extinguisher. The third force-applying mechanism applies an external force at a third tilt angle to the handle of the fire extinguisher. This pressure testing system can obtain the postures and states that may be applied to the fire extinguisher in real life through testing from multiple different directions, so as to obtain the required pressure data and thus make a better adjustable handle and carrying handle structure, facilitating the use of the fire extinguisher.

Description

Technical Field

[0001] This invention relates to fire extinguisher testing technology, and more particularly to a pressure testing system for fire extinguishers. Background Technology

[0002] A fire extinguisher, also known as a fire tube, is a portable fire-fighting tool. It contains chemicals used to extinguish fires. Fire extinguishers are common fire prevention equipment and are kept in public places or areas where fires may occur. Because of their simple and portable design, they can be used by the average person to extinguish small fires. The components inside fire extinguishers vary, such as foam, dry powder, halon, carbon dioxide, acids / alkalis, and water. Different components are designed for different types of fires, and care must be taken when using them to avoid adverse effects and potential dangers.

[0003] Existing devices for testing fire extinguisher pressure simply check if the internal pressure is within the normal range. However, they lack effective testing equipment for assessing the rationality of the handle and lever structure, and determining the appropriate pressure for effective fire suppression. The pressure values ​​of the handle and lever are crucial standards for judging the quality of a fire extinguisher, directly impacting the user's ability to control and extinguish fires effectively.

[0004] CN108956315B discloses a pressure resistance testing device and method for fire extinguisher bottles, which tests whether the pressure is qualified by placing the fire extinguisher in a water bubble bucket, but cannot test the pressure values ​​of the handle and the pressure lever. Summary of the Invention

[0005] To address the shortcomings of the existing technology, this invention proposes a pressure testing system for fire extinguishers.

[0006] The technical solution of this invention is implemented as follows:

[0007] A pressure testing system for fire extinguishers, characterized in that it comprises:

[0008] A base for mounting test components;

[0009] A protective component is mounted on a base and has a test space in the middle. The upper end and one side end of the protective component are open.

[0010] An adjustment mechanism is used to fix the fire extinguisher and change its installation angle.

[0011] The first force-applying mechanism is located at the hinged end of the fire extinguisher handle and the pressure handle, and is used to apply an external force with a first tilt angle to the pressure handle of the fire extinguisher.

[0012] The second force-applying mechanism, located opposite the first force-applying mechanism, is used to apply an external force with a second tilt angle to the handle of the fire extinguisher.

[0013] The third force-applying mechanism, located between the first and second force-applying mechanisms, is used to apply an external force at a third tilt angle to the handle of the fire extinguisher; and

[0014] A limiting mechanism, located at the upper end of the adjusting mechanism, is used to fix the pressure handle and lifting handle of the fire extinguisher.

[0015] The first force-applying mechanism, the second force-applying mechanism, the third force-applying mechanism, and the limiting mechanism are installed on the protective component.

[0016] The adjustment mechanism consists of an L-plate, a mounting component, a first hinge seat, a second hinge seat, and a rotating rod. The L-plate is mounted on the base via the first hinge seat. The rotating rod is located in the middle of the second hinge seat and is mounted on the base via the second hinge seat. The upper end of the rotating rod is hinged to the bottom surface of the L-plate.

[0017] In this invention, the first tilt angle is in the range of 30-60°.

[0018] In this invention, the second tilt angle is in the range of 60-80°.

[0019] In this invention, the third tilt angle is in the range of 90-100° and 80-90°.

[0020] In this invention, the first force-applying mechanism and the second force-applying mechanism are composed of a fixed plate, an adjusting plate, a side plate, a hinge plate, a hinge shaft, and a first cylinder. The adjusting plate is mounted on the fixed plate, the side plate is mounted on both sides of the adjusting plate, the hinge plate is disposed in the middle of the side plate via the hinge shaft, and the first cylinder is mounted on the hinge plate.

[0021] In this invention, the first and second force-applying mechanisms have a limiting component, which is mounted on a hinge shaft. The limiting component consists of a cap, a spring, a handwheel, and a limiting member. The limiting member is fixed to a side plate. The handwheel, spring, and cap are mounted on the hinge shaft. One end of the handwheel contacts the spring, and the other end contacts the limiting member. One end of the spring contacts the handwheel, and the other end contacts the cap.

[0022] The limiting member has a first limiting tooth, and the handwheel has a second limiting tooth, which are engaged and connected.

[0023] In this invention, the lower end of the first cylinder is provided with a first force-applying component and a second force-applying component. The first force-applying component and the second force-applying component are hinged to the lower end of the first cylinder. The first force-applying component is located in the first force-applying mechanism, and the second force-applying component is located in the second force-applying mechanism.

[0024] In this invention, the position of the first force-applying mechanism is lower than the position of the second force-applying mechanism.

[0025] In this invention, the third force-applying mechanism consists of a guide post, a fixed block, a sliding seat, a sliding member, a second cylinder, and a third force-applying member. The fixed block is mounted on the guide post, the sliding seat is mounted on the lower end of the fixed block, the sliding member is mounted on the lower end of the sliding seat, the second cylinder is hinged to the lower end of the sliding member, and the third force-applying member is mounted on the lower end of the second cylinder.

[0026] In this invention, the limiting mechanism consists of a movable seat, a movable plate, a third cylinder, and a limiting component. The movable plate is mounted on the movable seat, the third cylinder is mounted on the movable plate, and the limiting component is mounted on the third cylinder.

[0027] The limiting member includes side walls on both sides, an active area located in the middle of the side walls, and a notch located in the active area.

[0028] The pressure testing system for fire extinguishers according to the present invention has the following beneficial effects: the pressure testing system can obtain the postures and states that may be applied to the fire extinguisher in real life through testing in multiple different directions, so as to obtain the required pressure data, thereby making a better adjustable handle and carrying handle structure, which facilitates the use of the fire extinguisher. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the pressure testing system for the fire extinguisher of the present invention;

[0030] Figure 2 for Figure 1 Internal structure diagram;

[0031] Figure 3 for Figure 2 A schematic diagram of the structure of the first force-applying mechanism, the second force-applying mechanism, the third force-applying mechanism, the limiting component, and the limiting mechanism;

[0032] Figure 4 for Figure 3 A schematic diagram of the first force-applying mechanism and the limiting component structure;

[0033] Figure 5 for Figure 3 Schematic diagram of the third force-applying mechanism and the limiting mechanism in the diagram;

[0034] Figure 6 for Figure 2 Exploded view of the fire extinguisher and regulating mechanism structure;

[0035] Figure 7 for Figure 6 A schematic diagram of the regulating mechanism structure;

[0036] Figure 8 This is a schematic diagram of the force state of the fire extinguisher in this invention.

[0037] In the diagram: 1. Base; 2. Protective component; 3. Adjustment mechanism; 4. First force-applying mechanism; 5. Second force-applying mechanism; 6. Third force-applying mechanism; 7. Limiting mechanism; 8. Limiting component; 9. Hinge shaft; 10. Cap; 11. Spring; 12. Fire extinguisher; 13. L-plate; 14. Mounting component; 15. First hinge seat; 16. Second hinge seat; 17. Rotating rod; 18. Fixing bracket; 19. Buckle; 20. Placement component; 21. Rotating shaft; 22. Strip groove; 23. Fixing plate; 24. Adjustment plate; 25. Side plate; 26. Hinge. 26. Connecting plate, 27. First cylinder, 28. Handwheel, 29. Limiting component, 30. First force-applying component, 31. Second force-applying component, 32. Fixing block, 33. Sliding seat, 34. Sliding component, 35. Second cylinder, 36. Third force-applying component, 37. Press handle, 38. Lifting handle, 39. Moving seat, 40. Moving plate, 41. Third cylinder, 42. Limiting component, 43. Side wall, 44. Moving area, 45. Notch, 46. Guide rod, 47. First limiting tooth, 48. Second limiting tooth, 49. Baffle, 50. Detailed Implementation

[0038] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

[0039] like Figures 1 to 8 As shown, the pressure testing system for fire extinguishers of this invention includes a base 1, a protective component 2, an adjusting mechanism 3, a first force-applying mechanism 4, a second force-applying mechanism 5, a third force-applying mechanism 6, and a limiting mechanism 7. The base 1 is used to mount the testing assembly. This testing assembly includes the protective component 2, the adjusting mechanism 3, the first force-applying mechanism 4, the second force-applying mechanism 5, the third force-applying mechanism 6, and the limiting mechanism 7. The protective component 2 is arranged in a ring shape on the base 1, but with openings at the top and one side, and a testing space s in the middle, facilitating the placement of the fire extinguisher 12 by personnel. A baffle 49 is provided at the front end of the testing space s, which is installed through a vertical groove 50 on the protective component 2 and can be inserted from the top. The protective component 2 and the baffle 49 make the testing space s annular, ensuring better testing of the fire extinguisher 12 inside. The first force-applying mechanism 4, the second force-applying mechanism 5, the third force-applying mechanism 6, and the limiting mechanism 7 are mounted on the protective component 2. The protective component 2 can prevent substandard fire extinguishers 12 from exploding.

[0040] The adjustment mechanism 3 is used to fix the fire extinguisher 12 and change the installation angle of the fire extinguisher 12, so that the fire extinguisher 12 can rotate between 30-90°, which facilitates testing the force required to be applied when the handle 37 of the fire extinguisher 12 is at any angle, and can also test how long it takes for the force applied at that angle to spray the extinguishing material in the fire extinguisher 12.

[0041] The adjustment mechanism 3 consists of an L-plate 13, a mounting component 14, a first hinge seat 15, a second hinge seat 16, and a rotating rod 17. The L-plate 13 is mounted on the base 1 via the first hinge seat 15. The rotating rod 17 is located in the middle of the two hinge seats 16 and is mounted on the base 1 via the second hinge seat 16. The upper end of the rotating rod 17 is hinged to the bottom surface of the L-plate 13.

[0042] When the lever on the second hinge seat 16 is rotated, the rotating rod 17 is then rotated to change the height of the rotating rod 17, thereby adjusting the angle of the L plate 13 so that the L plate 13 rotates around the first hinge seat 15.

[0043] Meanwhile, a fixing bracket 18 is also provided on the L-plate 13. The fixing bracket 18 has a buckle 19 for bundling the fire extinguisher 12, which can fix the fire extinguisher 12 to the L-plate 13.

[0044] The mounting component 14 also has a placement component 20 that can be adjusted according to different specifications of the bottleneck of the fire extinguisher 12. The placement component 20 is mounted on the mounting component 14 via a rotating shaft 21. The mounting component 14 has a strip groove 22 for placing the rotating shaft 21, so that the placement component 20 can change position to fix the fire extinguisher 12.

[0045] The first force-applying mechanism 4 is located at the hinged end of the handle 38 and the pressure handle 37 of the fire extinguisher 12, and is used to apply an external force with a first tilt angle to the pressure handle 37 of the fire extinguisher 12. The angle range of the first tilt angle is 30-60°.

[0046] The second force-applying mechanism 5 is located opposite the first force-applying mechanism 4 and is used to apply an external force with a second tilt angle to the handle 37 of the fire extinguisher 12. The angle range of the second tilt angle is 60-80°.

[0047] The first force-applying mechanism 4 is positioned lower than the second force-applying mechanism 5. The first force-applying mechanism 4 and the second force-applying mechanism 5 are composed of a fixed plate 23, an adjusting plate 24, a side plate 25, a hinge plate 26, a hinge shaft 9, and a first cylinder 27. The adjusting plate 24 is mounted on the fixed plate 23, the side plate 25 is mounted on both sides of the adjusting plate 24, the hinge plate 26 is positioned in the middle of the side plate 25 via the hinge shaft 9, and the first cylinder 27 is mounted on the hinge plate 26.

[0048] The first force-applying mechanism 4 and the second force-applying mechanism 5 have a limiting component 8, which is used to adjust the angle of the first cylinder 27. The limiting component 8 is mounted on the hinge shaft 9 and consists of a cap 10, a spring 11, a handwheel 28, and a limiting member 29. The limiting member 29 is fixed to the side plate 25. The handwheel 28, spring 11, and cap 10 are mounted on the hinge shaft 9. One end of the handwheel 28 contacts the spring 11, and the other end contacts the limiting member 29. One end of the spring 11 contacts the handwheel 28, and the other end contacts the cap 10.

[0049] The limiting member 29 has a first limiting tooth 47, and the handwheel 28 has a second limiting tooth 48. The first limiting tooth 47 and the second limiting tooth 48 are engaged and connected.

[0050] Pulling the handwheel 28 compresses the spring 11, causing the first limiting tooth 47 to disengage from the second limiting tooth 48. Rotating the hinge plate 26 then changes the angle of the first cylinder 27, thereby changing the position of the first force-applying component 30.

[0051] The lower end of the first cylinder 27 is provided with a first force-applying component 30 and a second force-applying component 31. The first force-applying component 30 and the second force-applying component 31 are hinged to the lower end of the first cylinder 27. The first force-applying component 30 is located in the first force-applying mechanism 4, and the second force-applying component 31 is located in the second force-applying mechanism 5.

[0052] The first force-applying component 30 has a square structure, while the second force-applying component 31 has a circular structure. The square-structured first force-applying component 30 can push the handle 37 at a relatively gentle angle, using its side wall 43 for pushing. The circular structure of the second force-applying component 31, however, pushes the handle 37 at a steeper angle, using its bottom face to apply force to the handle 37, thereby increasing the contact area and preventing the second force-applying component 31 from slipping off the handle 37.

[0053] The third force-applying mechanism 6 is located between the first force-applying mechanism 4 and the second force-applying mechanism 5, and is used to apply an external force with a third tilt angle to the handle 37 of the fire extinguisher 12. The angle range of the third tilt angle is 90-100° and 80-90°.

[0054] The third force-applying mechanism 6 consists of a guide post 46, a fixed block 32, a sliding seat 33, a sliding member 34, a second cylinder 35, and a third force-applying member 36. The fixed block 32 is mounted on the guide post 46, the sliding seat 33 is mounted on the lower end of the fixed block 32, the sliding member 34 is mounted on the lower end of the sliding seat 33, the second cylinder 35 is hinged to the lower end of the sliding member 34, and the third force-applying member 36 is mounted on the lower end of the second cylinder 35.

[0055] The third force-applying component 36 adopts a vertical, smooth structure. Since the force-applying component 36 applies force at an angle close to vertical, the handle 37 needs to be pressed down directly to simulate the pressing posture commonly used in real-world environments. When the angle of the fire extinguisher 12 changes, the third force-applying component 36 can also easily apply pressure to its handle 37.

[0056] The limiting mechanism 7 is located at the upper end of the adjusting mechanism 3. The limiting mechanism 7 is used to fix the pressure handle 37 and the lifting handle 38 of the fire extinguisher 12. The limiting mechanism 7 consists of a movable base 39, a movable plate 40, a third cylinder 41 and a limiting member 42. The movable plate 40 is installed on the movable base 39, the third cylinder 41 is installed on the movable plate 40, and the limiting member 42 is installed on the third cylinder 41.

[0057] The limiting member 42 includes side walls 43 on both sides, an active area 44 located in the middle of the side walls 43, and a notch 45 located in the active area 44.

[0058] When installing the fire extinguisher 12, the staff needs to place the pressure handle 37 and the lifting handle 38 of the fire extinguisher 12 into the notch 45, so that the pressure handle 37 and the lifting handle 38 are between the two side walls 43.

[0059] During testing, the first force-applying component 30 and the second force-applying component 31 are placed on the upper end of the limiting component 42 to apply pressure to the pressure handle 37 located in the limiting component 42. The pressure is provided by the cylinder, and the pressure data is collected by the control system.

[0060] Furthermore, the adjusting plate 24 has multiple adjusting holes, and screws are installed in the adjusting holes. Loosening the screws changes the position of the adjusting plate 24, thereby changing the position between the first force-applying mechanism 4 and the second force-applying mechanism 5.

[0061] like Figure 8 As shown, the fire extinguisher 12 can be rotated via the adjusting mechanism 3, with the rotation direction shown at point a in the figure. The first force-applying mechanism 4 rotates in the direction shown at point b, the second force-applying mechanism 5 rotates in the direction shown at point c, and the third force-applying mechanism 6 rotates in the direction shown at point d. This testing system can obtain the postures and states that may apply pressure to the fire extinguisher 12 in real life through testing in multiple different directions, so as to obtain the required pressure data and thus make a better adjustable handle 37 and carrying handle 38 structure, which facilitates the use of the fire extinguisher 12.

[0062] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A pressure testing system for fire extinguishers, characterized in that, include: A base for mounting test components; A protective component is mounted on a base and has a test space in the middle. The upper end and one side end of the protective component are open. An adjustment mechanism is used to fix the fire extinguisher and change its installation angle. The first force-applying mechanism is located at the hinged end of the fire extinguisher handle and the pressure handle, and is used to apply an external force with a first tilt angle to the pressure handle of the fire extinguisher. The second force-applying mechanism, located opposite the first force-applying mechanism, is used to apply an external force with a second tilt angle to the handle of the fire extinguisher. The third force-applying mechanism, located between the first and second force-applying mechanisms, is used to apply an external force at a third tilt angle to the handle of the fire extinguisher; and A limiting mechanism, located at the upper end of the adjusting mechanism, is used to fix the pressure handle and lifting handle of the fire extinguisher. The first force-applying mechanism, the second force-applying mechanism, the third force-applying mechanism, and the limiting mechanism are installed on the protective component. The adjustment mechanism consists of an L-plate, a mounting component, a first hinge seat, a second hinge seat, and a rotating rod. The L-plate is mounted on the base via the first hinge seat. The rotating rod is located in the middle of the second hinge seat and is mounted on the base via the second hinge seat. The upper end of the rotating rod is hinged to the bottom surface of the L-plate. The second hinge seat is provided with a handle, and the L plate is also provided with a fixing frame. The fixing frame has buckles for securing the fire extinguisher to the L plate.

2. The pressure testing system for fire extinguishers according to claim 1, characterized in that, The first tilt angle is in the range of 30-60°.

3. The pressure testing system for fire extinguishers according to claim 1, characterized in that, The second tilt angle is in the range of 60-80°.

4. The pressure testing system for fire extinguishers according to claim 1, characterized in that, The third tilt angle is in the range of 90-100° and 80-90°.

5. The pressure testing system for fire extinguishers according to claim 1, characterized in that, The first force-applying mechanism and the second force-applying mechanism are composed of a fixed plate, an adjusting plate, a side plate, a hinge plate, a hinge shaft, and a first cylinder. The adjusting plate is mounted on the fixed plate, the side plate is mounted on both sides of the adjusting plate, the hinge plate is set in the middle of the side plate through the hinge shaft, and the first cylinder is mounted on the hinge plate.

6. The pressure testing system for fire extinguishers according to claim 5, characterized in that, The first and second force-applying mechanisms each have a limiting component mounted on a hinge shaft. The limiting component comprises a cap, a spring, a handwheel, and a limiting member. The limiting member is fixed to a side plate. The handwheel, spring, and cap are mounted on the hinge shaft. One end of the handwheel contacts the spring, and the other end contacts the limiting member. One end of the spring contacts the handwheel, and the other end contacts the cap. The limiting member has a first limiting tooth, and the handwheel has a second limiting tooth, which are engaged and connected.

7. The pressure testing system for fire extinguishers according to claim 5, characterized in that, The lower end of the first cylinder is provided with a first force-applying component and a second force-applying component. The first force-applying component and the second force-applying component are hinged to the lower end of the first cylinder. The first force-applying component is located in the first force-applying mechanism, and the second force-applying component is located in the second force-applying mechanism.

8. The pressure testing system for fire extinguishers according to claim 1, characterized in that, The position of the first force-applying mechanism is lower than the position of the second force-applying mechanism.

9. The pressure testing system for a fire extinguisher according to claim 1, characterized in that, The third force-applying mechanism consists of a guide post, a fixed block, a sliding seat, a sliding member, a second cylinder, and a third force-applying member. The fixed block is mounted on the guide post, the sliding seat is mounted on the lower end of the fixed block, the sliding member is mounted on the lower end of the sliding seat, the second cylinder is hinged to the lower end of the sliding member, and the third force-applying member is mounted on the lower end of the second cylinder.

10. The pressure testing system for a fire extinguisher according to claim 1, characterized in that, The limiting mechanism consists of a movable base, a movable plate, a third cylinder, and a limiting component. The movable plate is mounted on the movable base, the third cylinder is mounted on the movable plate, and the limiting component is mounted on the third cylinder. The limiting member includes side walls on both sides, an active area located in the middle of the side walls, and a notch located in the active area.

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