A press rebound detection tool for a fire alarm

Abstract

The utility model relates to detection frock technical field especially for a kind of press rebound detection frock of fire alarm, including bottom plate, the top of bottom plate is fixedly connected with middle layer component, and the middle part of middle layer component top is provided as recess structure, the both sides of middle layer component are fixedly connected with side plate.This device operator puts into product and according to step, complete clamping, press, keep, release, judge and output result's whole process in frock, single test period can be quickly completed, it is very suitable for production line batch full detection, after simple training, any worker can be on duty operation, greatly reduce the requirement to operator experience and skill, through high-precision sensor, the originally depending on hand feeling's " press force size " " rebound whether powerful " and other fuzzy index are converted into numerical value, eliminate the difference between different operators' judgment, guarantee the high unification of product quality standard.

Description

Technical Field

[0001] This utility model relates to the field of testing tooling technology, specifically to a pressing and rebound testing tooling for fire alarm devices. Background Technology

[0002] A fire alarm is an emergency alarm device, typically mounted above fire detectors, alarm controllers, or emergency broadcast systems. In an emergency, personnel simply press a button to alert the fire control center or building management personnel, drawing their attention to the situation.

[0003] Chinese utility model patent CN222421058U discloses a pressure rebound testing fixture for a fire alarm, which includes "a testing platform base, the front of the testing platform base having a lower limit surface, one side of the lower limit surface having a side limit surface, and a front limit surface in front of the lower limit surface, a stand on the testing platform base, and a testing rod that can move up and down on the stand, the testing rod being driven by a double-stroke cylinder, the double-stroke cylinder having a fast-stroke cylinder and a slow-stroke cylinder; the output shaft of the double-stroke cylinder being connected to the testing rod"; however, the existing detection device's alarm device limit structure has insufficient adjustability. Utility Model Content

[0004] The purpose of this utility model is to provide a pressing and rebound testing fixture for fire alarm devices to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a pressure rebound testing fixture for a fire alarm, comprising a base plate, a middle layer component fixedly connected to the top of the base plate, and a groove structure in the middle of the top of the middle layer component; side plates fixedly connected to both sides of the middle layer component; quick clamps fixedly connected to the middle of the top of each of the two side plates, with the opposite ends of the two quick clamps facing the groove of the middle layer component; pressure testing components fixedly connected to both sides of the top of the two side plates; and adjustable feet fixedly connected to the four corners of the bottom of the base plate.

[0006] The beneficial effects of this utility model are as follows: After the operator places the product in the fixture and follows the steps, the entire process of clamping, pressing, holding, releasing, judging, and outputting results can be completed within the fixture. A single test cycle can be completed quickly, making it very suitable for batch full inspection on the production line. After simple training, any worker can operate the fixture, greatly reducing the requirements for the experience and skills of the operators. This fire alarm press-and-rebound detection fixture, through its precise mechatronics design, objective data acquisition, and intelligent result judgment, uses high-precision sensors to convert vague indicators such as "pressing force" and "rebound strength" that originally relied on human touch into numerical values, eliminating the judgment differences between different operators and ensuring a high degree of uniformity in product quality standards.

[0007] To achieve lateral clamping of the alarm:

[0008] Further configured as follows: the middle layer component includes a sleeve frame, a top plate is fixedly connected to the top of the sleeve frame, and the top of the top plate is provided with a groove structure; the bottom of the sleeve frame is fixedly connected to the top of the bottom plate; a limit rod is fixedly connected to the middle of the inner wall of the top plate; a horizontal plate is fixedly connected to the bottom of the limit rod; a rotating shaft is fixedly connected to both ends of the top of the horizontal plate; a top support is fixedly connected to the other end of each of the two rotating shafts; a sliding rod is fixedly connected to the top of the top support; a V-shaped positioning block is fixedly connected to the top of the sliding rod; a traction threaded rod is fixedly connected to the bottom of the horizontal plate; and a cap is threadedly connected to the other end of the traction threaded rod.

[0009] By adopting the above technical solution and using the V-shaped positioning block fixture, fire alarms of different shapes and sizes can be adapted to ensure that the button is aligned with the actuator after each installation.

[0010] To achieve vertical clamping of the alarm:

[0011] The quick clamp is further configured such that: the quick clamp includes a base, the two sides of the base are threaded to the top of the side plate, the top of the base is fixedly connected to a boss and a sliding sleeve on the two sides respectively, a hook plate is passed through the middle of the boss, a connecting shaft is passed through the top of the hook plate, a handle is passed through the other end of the top of the hook plate, a moving rod is sleeved on the other end of the connecting shaft, and a fixed plate is fixedly connected to the other end of the moving rod.

[0012] The quick-clamping fixture can accommodate fire alarms of different shapes and sizes, ensuring that the button is aligned with the actuator after each installation.

[0013] To achieve press-driven operation:

[0014] The pressure measuring assembly is further configured as follows: the bottom of the four vertical rods is fixedly connected to one corner of the top of the side plate, a cross plate is fixedly connected to the top of the vertical rods, a servo motor is fixedly connected to the axis at the top of the cross plate, a pressure sensor is fixedly connected to one end of the bottom telescopic rod of the servo motor extending to the inner wall of the top of the cross plate, and a pressing head is fixedly connected to the bottom of the pressure sensor.

[0015] By adopting the above technical solution, the contoured pressing head can move up and down, which has high-precision position and speed control capabilities, can simulate pressing actions at different speeds, and the front end of the contoured pressing head is customized according to the shape of the alarm button to ensure close contact without damaging the button surface.

[0016] To ensure overall equipment stability:

[0017] The adjustment foot is further configured such that: the top of the adjustment foot includes a nail rod, the top of the nail rod is fixedly connected to the bottom of the base plate, a ring is snapped onto the side surface of the bottom of the nail rod, a rotating sleeve is fixedly connected to the bottom of the ring, an adjustment rod is rotatably connected to the inner wall of the rotating sleeve, and a rubber plate is fixedly connected to the top of the adjustment rod.

[0018] By adopting the above technical solution, it is installed at the bottom of the frame to level the entire equipment and ensure the repeatability accuracy of the test.

[0019] To achieve pressure stability:

[0020] Further configuration: the sleeve frame and side plate are made of aluminum alloy profile structure, and the through hole in the middle of the cross plate is made of linear guide rail structure.

[0021] By adopting the above technical solution, it is ensured that the electric cylinder and the pressing head move in a strictly vertical direction without radial wobbling, thus guaranteeing the accuracy of the test data. In conjunction with the pressure sensor installed between the contour pressing head and the electric cylinder, the force value changes throughout the pressing and rebound process are monitored and recorded.

[0022] The parts of the device not covered herein are the same as or can be implemented using existing technologies. Attached Figure Description

[0023] Figure 1 This is a top view of the overall structure of this utility model;

[0024] Figure 2 This is a top view of the middle layer component and side plate of this utility model;

[0025] Figure 3 This is a bottom view of the internal structure of the middle layer component of this utility model;

[0026] Figure 4 This is an enlarged structural diagram of the middle layer component of this utility model;

[0027] Figure 5 This is an enlarged structural schematic diagram of the quick clamp of this utility model;

[0028] Figure 6 This is an enlarged structural schematic diagram of the pressure measuring component of this utility model;

[0029] Figure 7 This is an enlarged schematic diagram of the adjustable support leg structure of this utility model.

[0030] In the diagram: 1. Base plate; 2. Middle layer assembly; 201. Sleeve frame; 202. Top plate; 203. Limiting rod; 204. Horizontal plate; 205. Rotating shaft rod; 206. Top support; 207. Sliding rod; 208. V-shaped positioning block; 209. Traction threaded rod; 2010. Cap; 3. Side plate; 4. Quick clamp; 401. Base; 402. Sliding sleeve; 403. Thrust seat; 404. Hook plate; 405. Handle; 406. Connecting shaft; 407. Moving rod; 408. Fixed plate; 5. Pressure measuring assembly; 501. Vertical rod; 502. Cross plate; 503. Servo motor; 504. Pressure sensor; 505. Pressing head; 6. Adjustable support foot; 601. Nail rod; 602. Ring sleeve; 603. Rotating sleeve; 604. Adjusting rod; 605. Rubber plate. Detailed Implementation

[0031] To enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory, and should not be used to limit the scope of protection of the present invention in any way.

[0032] Please see Figures 1 to 7 A pressure rebound testing fixture for a fire alarm includes a base plate 1, a middle layer component 2 fixedly connected to the top of the base plate 1, and a groove structure in the middle of the top of the middle layer component 2. Side plates 3 are fixedly connected to both sides of the middle layer component 2. Quick clamps 4 are fixedly connected to the middle of the top of the two side plates 3, and the opposite ends of the two quick clamps 4 face the groove of the middle layer component 2. Pressure testing components 5 are fixedly connected to both sides of the top of the two side plates 3. Adjustable feet 6 are fixedly connected to the four corners of the bottom of the base plate 1.

[0033] In this embodiment, as Figure 3As shown, the middle layer component 2 includes a frame 201, a top plate 202 fixedly connected to the top of the frame 201, and the top of the top plate 202 is provided with a groove structure. The bottom of the frame 201 is fixedly connected to the top of the bottom plate 1. A limit rod 203 is fixedly connected to the middle of the inner wall of the top of the top plate 202. A horizontal plate 204 is fixedly connected to the bottom of the limit rod 203. A rotating shaft rod 205 is fixedly connected to both ends of the top of the horizontal plate 204. A top support 206 is fixedly connected to the other end of the two rotating shaft rods 205. A sliding rod 207 is fixedly connected to the top of the top support 206. A V-shaped positioning block 208 is fixedly connected to the top of the sliding rod 207. A traction threaded rod 209 is fixedly connected to the bottom of the horizontal plate 204. A cap 2010 is threadedly connected to the other end of the traction threaded rod 209.

[0034] In this embodiment, as Figure 5 As shown, the quick clamp 4 includes a base 401, with both sides of the base 401 threadedly connected to the top of the side plate 3. A boss 403 and a sliding sleeve 402 are fixedly connected to both sides of the top of the base 401, respectively. A hook plate 404 is connected through the middle of the boss 403. A connecting shaft 406 is connected through one end of the top of the hook plate 404, and a handle 405 is connected through the other end of the top of the hook plate 404. A moving rod 407 is sleeved on the other end of the connecting shaft 406, and a fixed plate 408 is fixedly connected to the other end of the moving rod 407.

[0035] In this embodiment, as Figure 6 As shown, the pressure measuring component 5 includes four vertical rods 501. The bottom of the four vertical rods 501 is fixedly connected to one corner of the top of the side plate 3. A cross plate 502 is fixedly connected to the top of the vertical rods 501. A servo motor 503 is fixedly connected to the axis at the top of the cross plate 502. A pressure sensor 504 is fixedly connected to one end of the bottom telescopic rod of the servo motor 503 that extends to the inner wall of the top of the cross plate 502. A pressing head 505 is fixedly connected to the bottom of the pressure sensor 504.

[0036] In this embodiment, as Figure 7 As shown, the adjustable support leg 6 includes a nail rod 601. The top of the nail rod 601 is fixedly connected to the bottom of the base plate 1. A ring sleeve 602 is snapped onto the side surface of the bottom of the nail rod 601. A rotating sleeve 603 is fixedly connected to the bottom of the ring sleeve 602. An adjusting rod 604 is rotatably connected to the inner wall of the rotating sleeve 603. A rubber plate 605 is fixedly connected to the top of the adjusting rod 604.

[0037] In this embodiment, as Figure 2 As shown, the frame 201 and the side plate 3 are made of aluminum alloy profiles, and the through hole in the middle of the cross plate 502 is made of linear guide rail.

[0038] The working process of this pressure-rebound detection fixture for a fire alarm is as follows:

[0039] Before use, hold the rubber plate 605 and rotate the adjusting rod 604 to adjust the height of the rotating sleeve 603, so that the ring 602 and the nail rod 601 are raised. Adjust according to the flatness of the surface to be used. Then, put the fire alarm into the groove of the top plate 202 and press down the cap 2010 to make the traction threaded rod 209 and the rotating shaft rod 205 and V-shaped positioning block 208 at the top of the horizontal plate 204 move relative to each other. During the movement, the limiting rod 203 plays a stabilizing role, while the V-shaped positioning block 208 pre-positions the fire alarm. Clamp the device, then rotate the cap 2010 to fit it against the side surface of the sleeve frame 201. Hold the handle 405 to drive the hook plate 404 and the connecting shaft 406 to push. During the pushing process, the moving rod 407 moves forward along the inside of the sliding sleeve 402. During the forward push, the moving rod 407 allows the fixing plate 408 to further clamp the fire alarm. After it is fixed, the servo motor 503 starts to push the telescopic rod on the top inner wall of the cross plate 502 to push the press head 505 below the pressure sensor 504 to squeeze the button and perform a rebound measurement.

[0040] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0041] It should be noted that, in this document, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0042] This article uses specific examples to illustrate the principles and implementation methods of this utility model. The above examples are only for the purpose of helping to understand the method and core ideas of this utility model. The above description is only a preferred embodiment of this utility model. It should be noted that due to the limitations of textual expression, there are objectively infinite specific structures. For those skilled in the art, several improvements, modifications, or changes can be made without departing from the principles of this utility model, and the above technical features can also be combined in an appropriate manner. These improvements, modifications, changes, or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without modification, should all be considered within the protection scope of this utility model.

Claims

1. A pressure rebound testing fixture for a fire alarm, comprising a base plate (1), characterized in that: The top of the base plate (1) is fixedly connected to the middle layer component (2), and the middle part of the top of the middle layer component (2) is provided with a groove structure. The two sides of the middle layer component (2) are fixedly connected to the side plates (3). The middle part of the top of the two side plates (3) is fixedly connected to the quick clamps (4), and the opposite end of the two quick clamps (4) faces the groove of the middle layer component (2). The two sides of the top of the two side plates (3) are fixedly connected to the pressure measuring components (5). The four corners of the bottom of the base plate (1) are fixedly connected to the adjustable feet (6).

2. The pressure rebound detection fixture for a fire alarm as described in claim 1, characterized in that: The middle layer component (2) includes a sleeve frame (201), the top of which is fixedly connected to a top plate (202), and the top of the top plate (202) is provided with a groove structure. The bottom of the sleeve frame (201) is fixedly connected to the top of the bottom plate (1). A limit rod (203) is fixedly connected to the middle of the inner wall of the top of the top plate (202). A horizontal plate (204) is fixedly connected to the bottom of the limit rod (203). A rotating shaft rod (205) is fixedly connected to both ends of the top of the horizontal plate (204). A top support (206) is fixedly connected to the other end of the two rotating shaft rods (205). A sliding rod (207) is fixedly connected to the top of the top support (206). A V-shaped positioning block (208) is fixedly connected to the top of the sliding rod (207). A traction threaded rod (209) is fixedly connected to the bottom of the horizontal plate (204). A cap (2010) is threadedly connected to the other end of the traction threaded rod (209).

3. The pressure rebound detection fixture for a fire alarm as described in claim 2, characterized in that: The quick clamp (4) includes a base (401), the two sides of which are threaded to the top of the side plate (3). A boss (403) and a sliding sleeve (402) are fixedly connected to the two sides of the top of the base (401). A hook plate (404) is connected through the middle of the boss (403). A connecting shaft (406) is connected through one end of the top of the hook plate (404). A handle (405) is connected through the other end of the top of the hook plate (404). A moving rod (407) is sleeved on the other end of the connecting shaft (406). A fixed plate (408) is fixedly connected to the other end of the moving rod (407).

4. The pressure rebound detection fixture for a fire alarm as described in claim 3, characterized in that: The pressure measuring component (5) includes four vertical rods (501). The bottom of the four vertical rods (501) is fixedly connected to one corner of the top of the side plate (3). A cross plate (502) is fixedly connected to the top of the vertical rods (501). A servo motor (503) is fixedly connected to the axis at the top of the cross plate (502). A pressure sensor (504) is fixedly connected to one end of the bottom telescopic rod of the servo motor (503) extending to the inner wall of the top of the cross plate (502). A pressing head (505) is fixedly connected to the bottom of the pressure sensor (504).

5. The pressure rebound detection fixture for a fire alarm as described in claim 4, characterized in that: The adjustable support leg (6) includes a nail rod (601), the top of which is fixedly connected to the bottom of the base plate (1). A ring sleeve (602) is snapped onto the side surface of the bottom of the nail rod (601). A rotating sleeve (603) is fixedly connected to the bottom of the ring sleeve (602). An adjusting rod (604) is rotatably connected to the inner wall of the rotating sleeve (603). A rubber plate (605) is fixedly connected to the top of the adjusting rod (604).

6. The pressure rebound detection fixture for a fire alarm as described in claim 5, characterized in that: The frame (201) and side plate (3) are made of aluminum alloy profiles, and the through hole in the middle of the cross plate (502) is made of linear guide rail.

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