Manual fire alarm button with protection device

Abstract

The utility model discloses a manual fire alarm button with a protection device, which comprises a rear shell, a front shell, a protection plate, a top plate and an elastic piece, a key is arranged at the front end of the rear shell, and a cover is arranged at the front end of the rear shell and is provided with a window corresponding to the key; the protection plate and the top plate are both arranged in the window, shaft parts are arranged on the two sides of the upper end of the protection plate, first strip-shaped holes corresponding to the shaft parts are formed in the inner wall of the window, and the shaft parts penetrate through the second strip-shaped holes in the axial direction and can rotate in the axial direction, so that the protection plate is perpendicular to or parallel to the horizontal plane; the top plate is located at the upper end of the protection plate, the two ends of the top plate penetrate through the corresponding first strip-shaped holes, and the elastic piece is arranged in the front shell and used for driving the top plate to move downwards to abut against the protection plate. And a second strip-shaped hole communicated with the first strip-shaped hole is formed below the first strip-shaped hole. According to the utility model, the alarm button can be effectively prevented from being triggered by mistake through the protection plate.

Description

TECHNICAL FIELD

[0001] The utility model belongs to fire fighting apparatus technical field, especially relate to a manual fire alarm button with protection device. BACKGROUND

[0002] Manual fire alarm button as a kind of key alarm device, plays a vital role.When fire and other emergency situations occur, people can press alarm button, quickly send alarm signal to fire control center, so as to take fire extinguishing and rescue measures in time.

[0003] But the existing fire alarm button for the convenience of people's use, therefore generally will not set protection device, directly exposed, and exposed fire alarm button is vulnerable to external force impact and mispress button, thereby leading to the sounding of fire alarm, therefore, bring many inconvenience to firemen. INVENTION CONTENTS

[0004] The utility model aims at providing a kind of manual fire alarm button with protection device to solve the above-mentioned problems.

[0005] To achieve the above object, the utility model embodiment provides a kind of manual fire alarm button with protection device, comprising:

[0006] rear shell, its front end is provided with button;

[0007] front shell, cover is set in the front end of the rear shell, and is provided with the window corresponding to the button;

[0008] protective plate, top plate and elastic piece, the protective plate and the top plate are all set in the window, the upper end of the protective plate is provided with shaft portion on both sides, the inner wall of the window is provided with the first slot corresponding to shaft portion, the shaft portion passes the first slot along the axial direction, and can rotate around the axis, so that the protective plate is perpendicular or parallel to horizontal plane;

[0009] the top plate is located in the upper end of the protective plate, and the both ends of the top plate pass the first slot respectively, the elastic piece is set in the front shell, for driving the top plate to move downward to tightly press the protective plate;

[0010] the first slot is provided with the second slot communicated with it below, when the protective plate is perpendicular, the shaft portion can be moved from the first slot to the second slot, and be limited in the second slot.

[0011] Optionally, the side wall of the shaft portion is provided with two symmetrical straight faces, when the protective plate is perpendicular to horizontal plane, the straight face is perpendicular to horizontal plane, and the distance between the two straight faces is same with the width of the second slot.

[0012] Optionally, the width of the first strip-shaped hole is greater than the width of the second strip-shaped hole, and the shaft portion has the same diameter as the first strip-shaped hole.

[0013] Optionally, a step is arranged on the inner wall of the window, and the protection plate can abut against the step when the protection plate is perpendicular to the horizontal plane.

[0014] Optionally, the lower end of the top plate is arranged in an arc shape.

[0015] Optionally, the lower end of the protection plate is provided with an operation wall arranged transversely and perpendicularly to the protection plate, and the operation wall is exposed relative to the window.

[0016] Optionally, the elastic member is a tension spring.

[0017] Compared with the prior art, the utility model has the beneficial effects that: the protection plate is pushed upward, the protection plate pushes the top plate to move upward, the shaft portion is moved from the second strip-shaped hole to the first strip-shaped hole, the protection plate is further turned outward to open the window, the top plate can tightly push the turned protection plate, a staff can press the key to alarm, the operation convenience is improved; after use, the protection plate is turned downward, the protection plate is in a vertical state, the top plate pushes the protection plate to move downward, the shaft portion is moved from the first strip-shaped hole to the second strip-shaped hole, the protection plate cannot be turned to open the window, the alarm key can be prevented from being triggered by mistake, and the reliability of the fire alarm button is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can be obtained without the creative labor under the premise of the drawings.

[0019] Fig. 1 It is a perspective view of the protection plate parallel to the horizontal plane in the utility model.

[0020] Fig. 2 It is a structural schematic view of the utility model after hiding the rear cover and the key.

[0021] Fig. 3 It is a perspective view of the protection plate of the utility model.

[0022] Fig. 4 It is a perspective view of the front cover of the utility model.

[0023] Fig. 5 It is a perspective view of the protection plate perpendicular to the horizontal plane in the utility model.

[0024] Fig.:

[0025] 100, rear shell; 110, button; 120, alarm module;

[0026] 200, front shell; 210, window; 211, step; 220, first strip hole; 230, second strip hole;

[0027] 300, protection plate; 310, shaft part; 311, straight surface; 320, operation wall;

[0028] 400, top plate;

[0029] 500, elastic piece. DETAILED DESCRIPTION

[0030] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the embodiments of the present application, and cannot be understood as a limitation of the present application.

[0031] In the description of the embodiments of the present application, it should be understood that, if the present application embodiments involve directional indications, such as up, down, left, right, front, back, in, out, and the like, the orientation or positional relationship shown in the drawings is for the convenience of describing the embodiments of the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0032] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0033] In the embodiments of the present application, unless otherwise specifically defined and limited, if there are terms such as "mounting", "connection", "connection", "fixing", etc., they should be understood in a broad sense, for example, they can be fixedly connected, or they can be detachably connected, or they can be integrated. It can be a mechanical connection, or an electrical connection. It can be directly connected, or indirectly connected through an intermediate medium. It can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0034] As Figs. 1 to 5 shown, the utility model embodiment provides a manual fire alarm button with protection device, including rear shell 100, front shell 200, protection plate 300, top plate 400 and elastic piece 500.

[0035] Wherein, the front end of rear shell 100 is provided with button 110, specifically, the inside of rear shell 100 is provided with alarm module 120, button 110 is connected with alarm module 120, alarm module 120 is prior art, here does not repeat, further, front shell 200 covers and sets up in the front end of rear shell 100, and is provided with the window 210 corresponding with button 110.

[0036] Further, protection plate 300 and top plate 400 are all set up in window 210, the upper end both sides of protection plate 300 are provided with shaft portion 310, the inner wall of window 210 is provided with the first slit 220 corresponding with shaft portion 310, shaft portion 310 passes along the first slit 220, and can rotate around the shaft, to make protection plate 300 perpendicular or parallel to the horizontal plane, namely shielding window 210 or opening window 210.

[0037] Further, top plate 400 is located in the upper end of protection plate 300, and the both ends of top plate 400 pass through the corresponding first slit 220 respectively, and elastic piece 500 is arranged in front shell 200 and is used to drive top plate 400 to move downward to tightly press protection plate 300, so as to guarantee the stability when protection plate 300 shields window 210, specifically, elastic piece 500 is preferably tension spring, and the upper end of tension spring is hung on the side end of top plate 400 through screw, and the lower end is hung in front shell 200 through screw.

[0038] The lower side of first slit 220 is provided with the second slit 230 communicated with it, when protection plate 300 is perpendicular, shaft portion 310 can move from first slit 220 to second slit 230 and be limited in second slit 230.

[0039] In use, by pushing protection plate 300 upward, protection plate 300 pushes top plate 400 to move upward, makes shaft portion 310 move from second slit 230 to first slit 220, further turns over protection plate 300 outward to open window 210, and top plate 400 can tightly press protection plate 300 after turning over, so as to facilitate alarm personnel to press button 110 to alarm, improves the convenience of operation, after use, turns over protection plate 300 downward, makes protection plate 300 be in perpendicular state, at this time, top plate 400 will push protection plate 300 to move downward, to make shaft portion 310 move from first slit 220 to second slit 230, makes protection plate 300 unable to rotate and open window 210, can effectively prevent alarm button 110 from being triggered by mistake, can improve the reliability of fire alarm button.

[0040] In an embodiment, two symmetrical straight surfaces 311 are arranged on the side wall of the shaft 310, and the straight surfaces 311 are perpendicular to the horizontal plane when the protection plate 300 is perpendicular to the horizontal plane, and the distance between the two straight surfaces 311 is the same as the width of the second strip-shaped hole 230, so that the shaft 310 can be limited at the second strip-shaped hole 230, and the structure is simple and stable, and further, the width of the first strip-shaped hole 220 is greater than the width of the second strip-shaped hole 230, and the diameter of the shaft 310 is the same as the first strip-shaped hole 220, so that the shaft 310 can rotate in the first strip-shaped hole 220.

[0041] In an embodiment, a step 211 is arranged on the inner wall of the window 210, and the step 211 can abut against the protection plate 300 when the protection plate 300 is perpendicular to the horizontal plane, so as to further improve the stability of the protection plate 300 in the vertical state.

[0042] In an embodiment, the lower end of the top plate 400 is arc-shaped, so as to improve the smoothness when the protection plate 300 rotates, and facilitate the operation.

[0043] In an embodiment, an operation wall 320 is arranged at the lower end of the protection plate 300, and the operation wall 320 is transversely arranged and perpendicular to the protection plate 300, and the operation wall 320 is exposed relative to the window 210, so as to facilitate the user to quickly grasp the operation wall 320 to rotate the protection plate 300 in an emergency, and improve the convenience of the operation.

[0044] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A manual fire alarm button with a protective device, characterized in that, include: The back cover has buttons on its front. The front cover is disposed at the front end of the rear cover and has a window corresponding to the button; The window includes a protective plate, a top plate, and an elastic element. The protective plate and the top plate are both disposed inside the window. The upper ends of the protective plate are provided with shaft portions on both sides. The inner wall of the window is provided with a first strip hole corresponding to the shaft portion. The shaft portion passes through the first strip hole axially and can rotate around the axial direction so that the protective plate is perpendicular or parallel to the horizontal plane. The top plate is located at the upper end of the protective plate, and the two ends of the top plate pass through the corresponding first strip hole. The elastic element is disposed in the front shell and is used to drive the top plate to move downward to press against the protective plate. A second strip-shaped hole is provided below the first strip-shaped hole and communicates with it. When the protective plate is vertical, the shaft can move from the first strip-shaped hole to the second strip-shaped hole and be confined to the second strip-shaped hole.

2. A manual fire alarm button with a protective device according to claim 1, characterized in that, Two symmetrically arranged straight surfaces are provided on the side wall of the shaft. When the protective plate is vertical, the straight surfaces are perpendicular to the horizontal plane, and the distance between the two straight surfaces is the same as the width of the second strip hole.

3. A manual fire alarm button with a protective device according to claim 1, characterized in that, The width of the first strip hole is greater than the width of the second strip hole, and the diameter of the shaft portion is the same as that of the first strip hole.

4. A manual fire alarm button with a protective device according to claim 1, characterized in that, The inner wall of the window is provided with a step, and the protective plate can abut against the step when it is perpendicular to the horizontal plane.

5. A manual fire alarm button with a protective device according to claim 1, characterized in that, The lower end of the top plate is arc-shaped.

6. A manual fire alarm button with a protective device according to claim 1, characterized in that, The lower end of the protective plate is provided with a horizontally arranged operating wall that is perpendicular to the protective plate, and the operating wall is exposed relative to the window.

7. A manual fire alarm button with a protective device according to claim 1, characterized in that, The elastic element is a tension spring.

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