Double-step starting fire alarm button

Abstract

The utility model provides a double-step starting fire alarm button. The double-step starting fire alarm button comprises a first shell; the second shell is provided with an opening, and is connected with the first shell to form an accommodating cavity together with the first shell; the key module is arranged in the accommodating cavity; the first operation panel is movably connected with the second shell, the first operation panel is provided with a closing position and an opening position, and when the first operation panel is in the closing position, the opening is closed by the first operation panel; at the opening position, the first operation panel keeps away from the opening, and the opening is in an open state; the second operation panel is arranged between the key module and the first operation panel, the second operation panel is provided with a to-be-triggered position and a triggering position, and when the second operation panel is at the to-be-triggered position, a preset distance is kept between the second operation panel and the key module; and at the triggering position, the second operation panel triggers the key module. Through the arrangement of the first operation panel and the second operation panel, a user needs to continuously complete two operation steps to trigger the key module, and the possibility of false triggering of the double-step starting fire alarm button is reduced.

Description

Technical Field

[0001] The utility model generally relates to the technical field of fire fighting equipment, in particular to a double-step starting fire alarm button. Background Art

[0002] The manual fire alarm button is an important component of the automatic fire alarm system. It allows personnel to manually sound an alarm signal when a fire is discovered. The manual fire alarm button is usually installed in an easily identifiable and accessible location for quick use in an emergency.

[0003] At present, there are certain design defects in the manual fire alarm buttons on the market, especially in terms of protective measures. Due to the lack of effective protection mechanism, the manual fire alarm buttons can be easily triggered by external factors or unintentional touches. The falsely triggered alarms will not only interfere with normal life and work order, but may also lead to a waste of fire emergency service resources and even reduce people's response speed and trust in the alarm system.

[0004] The contents of the background technology section are merely the technologies known to the inventors and do not necessarily represent the prior art in the field. Utility Model Content

[0005] In view of one or more defects in the prior art, the utility model provides a double-step activation fire alarm button, comprising:

[0006] a first shell;

[0007] A second shell is provided with an opening, connected with the first shell and together forming a receiving cavity;

[0008] A key module is arranged in the accommodating cavity;

[0009] a first operating panel, movably connected to the second shell, the first operating panel having a closed position and an open position, wherein in the closed position, the first operating panel closes the opening; in the open position, the first operating panel avoids the opening, and the opening is in an open state;

[0010] The second operation panel is arranged between the button module and the first operation panel, and the second operation panel has a to-be-triggered position and a triggering position, wherein, when in the to-be-triggered position, the second operation panel maintains a preset distance from the button module; when in the triggering position, the second operation panel triggers the button module.

[0011] According to one aspect of the utility model, the first operating panel is hinged to the second shell through a first rotating shaft.

[0012] According to one aspect of the utility model, the two-step activation fire alarm button further includes a clip, the clip is movably connected to the second housing, and the clip has a locked position and an unlocked position;

[0013] Wherein, when in the locked position, the clip can be engaged with the first operating panel and restrict the first operating panel to the closed position; when in the unlocked position, the clip releases the restriction on the first operating panel.

[0014] According to one aspect of the utility model, a card slot is provided at one end of the first operation panel, the card includes a locking end, and the locking end is provided with a guiding inclined surface;

[0015] Wherein, when the clip is in the locking position, the locking end of the clip is inserted into the slot; when the first operating panel is pressed in the closed position, the first operating panel presses the guiding slope and pushes the clip to the unlocking position.

[0016] According to one aspect of the utility model, the two-step activation fire alarm button further includes a first elastic member, the first elastic member is respectively connected to the first operating panel and the second shell, and the first elastic member is configured to cause the first operating panel to reset to the open position.

[0017] According to one aspect of the utility model, the first elastic member is a torsion spring;

[0018] A fixed shaft is arranged in the second shell, the torsion spring is sleeved on the fixed shaft, one end of the torsion spring abuts against the second shell, and the other end of the torsion spring abuts against the back surface of the first operation panel.

[0019] According to one aspect of the utility model, a first identification film is provided on the front of the first operation panel, and identification information is provided on the first identification film.

[0020] According to one aspect of the utility model, a first rib is provided on the back side of the second operating panel, and when the second operating panel is in the triggering position, the first rib presses and triggers the key module.

[0021] According to one aspect of the utility model, the second operating panel also has a test position, and a second rib is arranged on the back of the second operating panel. When the second operating panel is in the test position, the second rib squeezes and triggers the key module.

[0022] According to one aspect of the utility model, two guide grooves are provided on the inner side of the second shell, and second rotating shafts are respectively provided on both sides of the second operating panel. The second rotating shafts are inserted into the corresponding guide grooves and are configured to rotate and slide in the guide grooves.

[0023] According to one aspect of the utility model, the two-step activation fire alarm button further includes:

[0024] A hook connected to the inner side of the second housing, when the second operating panel is in the to-be-triggered position, one end of the second operating panel is engaged with the hook; and

[0025] The second elastic member is connected between the second shell and the second operating panel, and the second elastic member is configured to cause the second operating panel to move to the trigger position.

[0026] According to one aspect of the utility model, a avoidance hole is provided on the second operating panel at a position close to the hook.

[0027] According to one aspect of the utility model, a second rib is provided on the back side of the second operating panel, and when the second operating panel is in the triggering position, the second rib presses and triggers the key module.

[0028] According to one aspect of the utility model, the second operating panel further has a testing position. When the second operating panel is in the testing position, the second rib presses and triggers the key module.

[0029] According to one aspect of the utility model, two guide slide grooves are provided on the inner side of the second housing, and second rotating shafts are respectively provided on both sides of the second operating panel, and the second rotating shafts are inserted into the corresponding guide slide grooves and configured to rotate and slide in the guide slide grooves;

[0030] The two-step fire alarm button further includes a guide rib, which is arranged on a side of the button module facing the second operating panel, and is configured to guide the second operating panel to move between the to-be-triggered position and the trigger position.

[0031] According to one aspect of the utility model, the two-step fire alarm button also includes a second elastic member, which is connected between the second shell and the second operating panel, and the second elastic member is configured to cause the second operating panel to reset to the to-be-triggered position under the guidance of the guide ribs.

[0032] According to one aspect of the utility model, the two-step activation fire alarm button further includes a hook, which is connected to the inner side of the second shell, and the hook is configured to be suitable for being engaged with the second operation panel.

[0033] According to one aspect of the utility model, the guide rib is configured to be suitable for unfastening the second operating panel from the hook.

[0034] According to one aspect of the utility model, windows are respectively provided on the first operation panel and the second operation panel, and the two windows are aligned with each other;

[0035] A second identification film is provided on the front of the button module, and identification information is provided on the second identification film. The identification information is configured to be used to prompt a user of the current state of the double-step activation fire alarm button.

[0036] According to one aspect of the utility model, the key module includes a circuit board and a key, and the key is fixed on the circuit board.

[0037] According to one aspect of the utility model, the key module further includes:

[0038] a cover plate, disposed between the second operation panel and the circuit board, wherein a mounting hole is disposed on the cover plate, and the mounting hole is aligned with the button; and

[0039] A key cap is movably arranged in the mounting hole, and the key cap is configured to be suitable for triggering the key.

[0040] According to one aspect of the utility model, the key cap is a silicone cap, a plastic cap or a rubber cap.

[0041] According to one aspect of the utility model, the key module further includes a pressing plate, which is hinged to the cover plate and covers the key cap, and the pressing plate is configured to cooperate with the second operating panel to press the key cap.

[0042] According to one aspect of the utility model, the cover plate is provided with a connecting hole and a limiting hole, and the pressing plate is provided with a third rotating shaft and a limiting shaft;

[0043] Wherein, the rotating shaft is located in the connecting hole and rotatably cooperates with the connecting hole; the limiting shaft is located in the limiting hole, and the limiting shaft cooperates with the limiting hole to limit the rotation range of the pressure plate.

[0044] According to one aspect of the utility model, a first through hole and / or a second through hole is provided on the second shell, wherein the first through hole can be configured to be suitable for performing a reset operation of the first operating panel, and the second through hole is configured to be suitable for performing an alarm test operation and / or a reset operation of the second operating panel.

[0045] According to one aspect of the utility model, the two-step activation fire alarm button further includes a protective plate, which is snap-connected to the second shell, and the protective plate is configured to be suitable for closing the second through hole.

[0046] According to one aspect of the utility model, the two-step activation fire alarm button further comprises a reset key, wherein the reset key comprises a first end and / or a second end;

[0047] The first end is configured to be inserted into the first through hole and perform a reset operation on the first operation panel; the second end is configured to be inserted into the second through hole and perform an alarm test operation and / or a reset operation on the second operation panel.

[0048] Compared with the prior art, the embodiment of the utility model provides a two-step fire alarm button, wherein, by setting a first operation panel and a second operation panel, when using the two-step fire alarm button, the user needs to first operate the first operation panel to switch the first operation panel from a closed position to an open position, and then operate the second operation panel to switch the second operation panel from a to-be-triggered position to a triggered position, and the second operation panel triggers the key module to realize a fire alarm. This design that requires the completion of two operation steps in succession verifies the certainty of the user's operation, reduces the possibility of the two-step fire alarm button being triggered by mistake, and improves the reliability of the two-step fire alarm button. BRIEF DESCRIPTION OF THE DRAWINGS

[0049] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0050] Figures 1 to 3 Schematic diagrams of a double-step activation fire alarm button 100 according to an embodiment of the utility model are respectively shown;

[0051] Figure 4 An exploded view of a double-step activated fire alarm button 100 according to an embodiment of the utility model is shown;

[0052] Figure 5 An exploded view of some components of a double-step activation fire alarm button 100 according to an embodiment of the utility model is shown;

[0053] Figures 6 to 12 sectional views of a double-step activation fire alarm button 100 according to an embodiment of the utility model are respectively shown;

[0054] Fig.13 Shows an exploded view of some accessories of the key module according to one embodiment of the utility model;

[0055] Fig.14 Shows an exploded view of a double-step activated fire alarm button 100 'according to an embodiment of the utility model;

[0056] Fig.15 Shows a partial structural exploded view of a double-step activated fire alarm button 100 'according to an embodiment of the utility model;

[0057] Fig.16 and Fig.17 FIG. 1 is a cross-sectional view of a double-step activation fire alarm button 100 ′ according to an embodiment of the present invention. DETAILED DESCRIPTION

[0058] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0059] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present invention, "plurality" means two or more than two, unless otherwise clearly and specifically defined.

[0060] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0061] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is lower in level than the second feature.

[0062] The disclosure below provides many different embodiments or examples for realizing different structures of the utility model. In order to simplify the disclosure of the utility model, the components and settings of specific examples are described below. Of course, they are merely examples, and the purpose is not to limit the utility model. In addition, the utility model may repeat reference numbers and / or reference letters in different examples, and such repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the utility model provides various specific examples of processes and materials, but those of ordinary skill in the art may be aware of the application of other processes and / or the use of other materials.

[0063] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0064] Figures 1 to 3 Schematic diagrams of a double-step activation fire alarm button 100 according to an embodiment of the utility model are shown respectively, Figure 4 An exploded view of a double-step fire alarm button 100 according to an embodiment of the present invention is shown below. Figures 1 to 4 Describe in detail.

[0065] like Figures 1 to 4 As shown, the two-step fire alarm button 100 includes a first housing 110, a second housing 120, a key module 130, a first operating panel 140 and a second operating panel 150. The first housing 110 and the second housing 120 are connected to each other and together form a receiving cavity, and the receiving cavity can be used to install some accessories of the two-step fire alarm button 100, for example: the key module 130 and the second operating panel 150 are both arranged in the receiving cavity, and the second operating panel 150 is used to trigger the key module 130 (detailed below), and the second operating panel 150 is on the front side of the second housing 120 ( Figure 4The first shell 110 and the second shell 120 may be connected by a snap-fit ​​connection to ensure structural stability while facilitating disassembly and maintenance by the user. In some embodiments, the first shell 110 and the second shell 120 may also be connected by bolts, welding, bonding, etc., but the present invention is not limited thereto. Figure 1 and Figure 2 As shown, the first operating panel 140 is disposed at the opening 121 of the second housing 120 and is movably connected to the second housing 120. The first operating panel 140 has a closed position (eg, Figure 1 ) and the open position (as shown Figure 2 As shown in FIG. 1 ), when the first operating panel 140 is in the closed position, the first operating panel 140 closes the opening 121, so that the user cannot operate the accessories in the accommodating cavity; when the first operating panel 140 is in the open position, the first operating panel 140 avoids the opening 121, and the opening 121 is in an open state. Figure 2 , Figure 3 and Figure 4 As shown, the second operation panel 150 has a trigger position (such as Figure 2 as shown) and the trigger position (as Figure 3 As shown in the figure, when the second operation panel 150 is in the to-be-triggered position, the second operation panel 150 maintains a preset distance with the key module 130; when the second operation panel 150 is in the triggering position, the second operation panel 150 triggers the key module 130. Among them, by arranging the first operation panel 140 at the opening 121, it is possible to prevent the second operation panel 150 from being accidentally touched, thereby improving the reliability of the two-step fire alarm button 100. When the user wants to trigger the two-step fire alarm button 100, it is necessary to first move the first operation panel 140 to the open position, and then move the second operation panel 150 to the triggering position, so that the second operation panel 150 triggers the key module 130 to realize the fire alarm.

[0066] Figure 5 FIG. 1 shows an exploded view of some components of a double-step fire alarm button 100 according to an embodiment of the present invention. Figure 5 As shown, two shaft holes 122 may be provided on the inner side of the second housing 120, on both sides of the first operation panel 140 ( Figure 5A first rotating shaft 141 is respectively provided on the left and right sides of the middle shell 120, and the two first rotating shafts 141 correspond to the two shaft holes 122 on the second shell 120 respectively, and the first rotating shafts 141 are engaged with the corresponding shaft holes 122. The first operation panel 140 is hinged to the second shell 120 through the first rotating shafts 141, so that the first operation panel 140 is fixed, which is convenient for the user to operate the first operation panel 140 to switch between the open position and the closed position according to the use requirements, which is conducive to improving the user's use experience.

[0067] Figure 6 and Figure 7 sectional views of a double-step activation fire alarm button 100 according to an embodiment of the present utility model are shown respectively. Figure 6 and Figure 7 As shown, the two-step fire alarm button 100 may further include a clip 160, which may be used to limit the first operating panel 140 so that the first operating panel 140 remains in a closed position without external force, thereby ensuring that the first operating panel 140 will not be opened at will, thereby improving the reliability of the two-step fire alarm button 100. Specifically, the clip 160 is movably connected to the second housing 120, and the clip 160 has a locking position (such as Figure 6 as shown) and unlocked position (as shown Figure 7 As shown in the figure, for example, a first through hole 123 is provided at the lower end of the second housing, and the clip 160 is movably provided in the first through hole 123. A tight fit can be adopted between the clip 160 and the first through hole 123 (the second housing), so that the clip 160 can maintain its position by the friction between it and the second housing. The clip 160 can also switch between the locked position and the unlocked position by moving in the first through hole 123; when the clip 160 is in the locked position, the clip 160 can be engaged with the first operation panel 140 and restrict the first operation panel 140 to the closed position; when the clip 160 is in the unlocked position, the clip 160 releases the restriction on the first operation panel 140. Preferably, the first through hole 123 is configured to be suitable for performing a reset operation of the first operation panel 140. Specifically, the user can rotate the first operation panel 140 to the closed position by hand, and then insert the hand or other tools into the first through hole 123 and push the clip 160 to the locked position, thereby resetting the first operation panel 140.

[0068] According to one embodiment of the utility model, Figure 6 and Figure 7 As shown, the free end of the first operating panel 140 ( Figure 6 The lower end (i.e., the end away from the first rotating shaft 141) of the clip 160 is provided with a slot 142. Figure 6A guiding slope 161 is provided at the middle upper end (i.e., the end close to the first operating panel 140). When the clip 160 is in the locked position, the locking end of the clip 160 is inserted into the card slot 142, thereby limiting the first operating panel 140 in the closed position; when the first operating panel 140 is pressed, the first operating panel 140 presses the guiding slope 161 on the clip 160 and pushes the clip 160 to the unlocked position, at which time the first operating panel 140 can be moved to the open position. Through the above arrangement, it is ensured that the clip 160 effectively locks the first operating panel 140, and the first operating panel 140 can be quickly opened, thereby improving the reliability and ease of use of the double-step activation fire alarm button 100.

[0069] According to one embodiment of the utility model, Figure 5 As shown, the two-step fire alarm button 100 may further include a first elastic member 170, which is connected to the first operating panel 140 and the second housing 120, respectively, and is configured to cause the first operating panel 140 to reset to the open position. When the user presses the first operating panel 140, the clip 160 releases the lock on the first operating panel 140, and the first elastic member 170 drives the first operating panel 140 to switch from the closed position to the open position, thereby facilitating the user to operate the second operating panel 150, thereby improving the convenience of the two-step fire alarm button 100. Specifically, a fixed shaft 127 is provided in the shell, and the first elastic member 170 can be a torsion spring, which can be sleeved on the fixed shaft 127. One end of the torsion spring abuts against the second shell 120, and the other end abuts against the back side of the first operating panel 140 (that is, the side facing the second operating panel 150); wherein, when the first operating panel 140 is in the closed position, the torsion spring is compressed and accumulates elastic potential energy. When the first operating panel 140 is pressed, the clip 160 releases the lock on the first operating panel 140, and the torsion spring releases the elastic potential energy and drives the first operating panel 140 to the open position.

[0070] According to one embodiment of the utility model, Figure 4 and Figure 5 As shown, the two-step fire alarm button 100 may further include a first identification film 180, which may be attached to the front side of the first operating panel 140 (i.e., the side facing away from the second operating panel 150). The first identification film 180 is provided with identification information, which may be text, icons, etc. The identification information may be used to instruct the user how to operate the two-step fire alarm button 100, so as to ensure that the user can quickly understand and correctly operate the two-step fire alarm button 100 in an emergency. Figure 4 In the illustrated embodiment, the identification information is an icon of two arrows and a finger pressing a button.

[0071] According to one embodiment of the utility model, Figure 5 As shown, two guide grooves 124 can be provided on the inner side of the second housing 120, on both sides of the second operating panel 150 ( Figure 5 A second rotating shaft 151 is respectively provided on the left and right sides of the second housing 120, and the two second rotating shafts 151 correspond to the two guide grooves 124 on the second housing 120 respectively. The second rotating shaft 151 is engaged with the corresponding guide grooves 124 (the second rotating shaft 151 is inserted in the guide grooves 124), and the second rotating shaft 151 can slide and rotate in the guide grooves 124. The second operation panel 150 is slidably hinged with the second housing 120 through the second rotating shaft 151, so that the second operation panel 150 is fixed, and it is convenient for the user to operate the second panel to switch between the to-be-triggered position and the trigger position according to the use requirements, which is conducive to improving the user's use experience.

[0072] Figure 8 and Fig. 9 sectional views of a double-step activation fire alarm button 100 according to an embodiment of the present utility model are shown respectively. Figure 8 and Fig. 9 As shown, the double-step fire alarm button 100 may also include a hook 190 and a second elastic member 200. The hook 190 is connected to the inner side of the second shell 120 and is configured to be suitable for snapping with the lower end of the second operating panel 150. Specifically, the hook 190 may be integrally formed with the second shell 120, or may be connected to the second shell 120 by bonding, welding, or the like. The second elastic member 200 may be a compression spring, and the second elastic member 200 is connected between the upper end of the second operating panel 150 and the second shell 120. The second elastic member 200 is configured to cause the second operating panel 150 to move to the trigger position. The mutual cooperation of the hook 190, the second operating panel 150 and the second elastic member 200 can ensure that the second operating panel 150 is stably maintained in the to-be-triggered position without external interference; and can quickly respond to the user's operation and drive the second operating panel 150 to the trigger position, providing the user with a convenient operating experience. Specifically, as Figure 8 As shown, when the second operating panel 150 is in the to-be-triggered position, the lower end of the second operating panel is engaged with the hook 190, and the second elastic member 200 is in a compressed state and accumulates elastic potential energy; Fig. 9 As shown, when the second operating panel 150 is pressed, the lower end of the second operating panel 150 disengages from the hook 190 , the second elastic member 200 releases elastic potential energy and pushes the second operating panel 150 to the trigger position, and the second operating panel 150 triggers the button module 130 .

[0073] According to one embodiment of the utility model, Fig. 9As shown, an escape hole 152 may be provided on the second operation panel 150 near the hook 190, and when the second operation panel 150 is in the trigger position, the hook 190 enters the escape hole 152. Preferably, a slope is provided on the back of the hook 190, which not only makes it easier for the hook 190 to enter the escape hole, but also greatly facilitates the user to smoothly reset the second operation panel 150 to the to-be-triggered position.

[0074] According to one embodiment of the utility model, Figure 8 and Fig. 9 As shown, a first rib 153 may be provided on the back side of the second operation panel 150 (ie, the side facing the key module 130), and the first rib 153 may be used as a trigger rib for triggering the key module 130. Figure 8 As shown, when the second operating panel 150 is in the trigger position, the first rib 153 maintains a preset distance from the key module 130. Fig. 9 As shown, when the second operation panel 150 is in the trigger position, the first rib 153 squeezes and triggers the key module 130. Preferably, the lower surface of the first rib 153 is an inclined surface, so that the first rib 153 triggers the key module 130 more smoothly, reduces the impact of the first rib 153 on the key module 130, and avoids jamming.

[0075] Fig.10 FIG. 4 shows a cross-sectional view of a double-step activation fire alarm button 100 according to an embodiment of the present invention. Fig.10 As shown, a second through hole 125 may be provided at the bottom of the second housing 120, the second through hole 125 being aligned with the lower end of the second operation panel 150, and the second through hole 125 is suitable for performing an alarm test operation (described in detail later) and / or a reset operation of the second operation panel 150. Specifically, the user may insert a hand or other tool into the second through hole 125 and push the second operation panel 150 to move, so that the position of the second operation panel 150 moves, for example, from a trigger position to a to-be-triggered position (reset operation).

[0076] Fig.11 FIG. 4 shows a cross-sectional view of a double-step activation fire alarm button 100 according to an embodiment of the present invention. Fig.10 and Fig.11 As shown, the two-step activation fire alarm button 100 may further include a reset key 210, the reset key 210 includes a first end 211 and a second end 212, wherein the first end 211 is configured to be inserted into the first through hole 123 and push the clip 160 to move to the locked position to complete the reset operation of the first operation panel 140; the second end 212 is configured to be inserted into the second through hole 125 and push the second operation panel 150 to move to complete the reset operation of the second operation panel 150. Preferably, as Figure 5 As shown, a guide rib 126 is further provided in the second housing 120 , and the guide rib 126 can guide the second end 212 of the reset key 210 , so as to facilitate the reset key 210 to push the second operating panel 150 to move.

[0077] According to one embodiment of the utility model, Figures 4 to 6 As shown, the double-step activation fire alarm button 100 further includes a protective plate 220, on which holes are provided, and the protective plate 220 is suitable for closing the second through hole 125. Specifically, the protective plate 220 is snap-connected with the second shell 120. When the protective plate 220 is assembled on the second shell 120, the hole on the protective plate 220 is aligned with the first through hole 123, so that the user can frequently operate the clip 160. At the same time, the protective plate 220 closes the second through hole 125 to prevent the user or other personnel from misoperating the second operation panel 150. When the protective plate 220 is unfastened from the second shell 120, the protective plate 220 avoids the first through hole 123 and the second through hole 125. Preferably, the protective plate 220 is also hinged to the second shell 120 through a pivot to facilitate the opening and closing of the protective plate 220 and reduce the possibility of losing the protective plate 220. Fig.12 FIG. 4 shows a cross-sectional view of a double-step activation fire alarm button 100 according to an embodiment of the present invention. Fig.12 As shown, the second operation panel 150 may also have a test position, and a second rib 154 may be provided on the back of the second operation panel 150. The second rib 154 may be used as a test rib, and is used to trigger the key module 130 when testing the double-step fire alarm button 100. Specifically, the test rib is configured such that when the second operation panel 150 is in the test position, the second rib 154 squeezes and triggers the key module 130. Preferably, the upper surface of the second rib 154 is an inclined surface, so that the second rib 154 triggers the key module 130 more smoothly, reduces the impact of the second rib 154 on the key module 130, and avoids jamming. Wherein, when performing an alarm test operation on the double-step fire alarm button 100, the second end 212 of the reset key 210 may be inserted into the second through hole 125, and the reset key 210 is used to push the second operation panel 150 from the to-be-triggered position to the test position.

[0078] According to one embodiment of the utility model, Figure 4As shown, a second identification film 230 is provided on the front of the button module 130, and identification information is provided on the second identification film 230. The identification information can be used to prompt the user of the current state of the double-step activation fire alarm button 100. For example, the identification information can be the words "essai" and "activé" (i.e., "test" and "activate"). Windows 240 are provided on the first operation panel 140 and the second operation panel 150, respectively, and the two windows 240 are aligned with each other. When the second operation panel 150 is in the trigger position, the window 240 on the second operation panel 150 is aligned with "activé" on the second identification film 230; when the second operation panel 150 is in the test position, the windows 240 on the first operation panel 140 and the second operation panel 150 are aligned with "essai" on the second identification film 230. Preferably, a transparent lens 250 is provided on the window 240 of the first operation panel 140 and / or the window 240 of the second operation panel 150 to improve the sealing of the double-step activation fire alarm button 100.

[0079] According to one embodiment of the utility model, Figure 4 As shown, the key module 130 may include a circuit board 131 and a key 132 , wherein the circuit board 131 is mounted on the first housing 110 , and the key 132 is integrated on the circuit board 131 .

[0080] Fig.13 FIG. 1 shows an exploded view of some components of a key module 130 according to an embodiment of the present invention. Figure 4 and Fig.13 As shown, the button module 130 may also include a cover plate 133 and a key cap 134, wherein the cover plate 133 is arranged between the second operation panel 150 and the circuit board 131, and can cooperate with the first housing 110 to fix the circuit board 131, so that the structure of the double-step start fire alarm button 100 is more stable. Specifically, the cover plate 133 is buckled on the first housing 110, and clamps the circuit board 131 with the first housing 110, wherein the cover plate 133 and the first housing 110 can be fixedly connected by snap connection, screw connection, bonding, welding, etc. A mounting hole 1331 is arranged on the cover plate 133 at a position corresponding to the button 132, and the key cap 134 is movably arranged in the mounting hole 1331. When the second operation panel 150 is in the trigger position, the key cap 134 is pressed by the second operation panel 150 (trigger rib) and triggers the button 132. The key cap 134 can protect the button 132, which is conducive to ensuring the service life of the button 132 and reducing the maintenance cost of the user. Preferably, the key cap 134 can be a plastic cap. More preferably, the key cap 134 can also be a soft cap such as a silicone cap or a rubber cap. The soft cap can play a better buffering and protective role and is more conducive to protecting the key 132.

[0081] According to one embodiment of the utility model, Fig.13 As shown, the key module 130 may further include a pressing plate 135, which is used to cooperate with the second operating panel 150 to press the keycap 134, so as to play a role of buffering and protection, and prevent the key 132 and the keycap 134 from being damaged by the second operating panel 150. Specifically, the upper end of the pressing plate 135 is hinged with the cover plate 133, and the cover plate 133 covers the keycap 134. When the second operating panel 150 switches from the waiting position to the triggering position, the second operating panel 150 (trigger rib) presses the pressing plate 135, so that the pressing plate 135 presses the keycap 134 and triggers the key 132.

[0082] According to one embodiment of the utility model, Fig.13 As shown, two connection holes 1332 can be provided on the front of the cover plate 133, and two connection holes 1332 can be provided on both sides of the pressing plate 135 ( Fig.13 A third rotating shaft 1351 is respectively provided on the left and right sides of the cover plate 133. The two third rotating shafts 1351 correspond to the two connecting holes 1332 on the cover plate 133 respectively. The third rotating shafts 1351 are engaged with the corresponding connecting holes 1332, and the third rotating shafts 1351 can rotate in the connecting holes 1332. Fig.13 As shown, one or more limiting holes 1333 can also be set on the front side of the cover plate 133, and a corresponding number of limiting shafts 1352 can be set on the pressure plate 135. The limiting shafts 1352 are engaged with the corresponding limiting holes 1333, and the limiting shafts 1352 can slide in the limiting holes 1333. The rotation range of the pressure plate 135 can be limited by the cooperation between the limiting shafts 1352 and the limiting holes 1333, so as to prevent the pressure plate 135 from excessively pressing down the keycap 134 and also prevent the pressure plate 135 from leaving the keycap 134.

[0083] Fig.14 FIG. 1 shows an exploded view of a double-step activated fire alarm button 100 ′ according to an embodiment of the present utility model. Fig.15 The exploded view of the partial structure of the double-step fire alarm button 100' according to an embodiment of the utility model is shown below. Fig.14 and Fig.15 Describe in detail.

[0084] like Fig.14 and Fig.15 As shown, the two-step fire alarm button 100' is substantially the same as the two-step fire alarm button 100, except that the two-step fire alarm button 100' further includes a guide rib 260, which can be provided as one or more (e.g. Fig.15In the embodiment shown, two are provided. The guide rib 260 has a guide slope 161. The guide rib 260 is used to guide the second operating panel 150 to move between the waiting position and the triggering position, and is also used to cooperate with the second elastic member 200 to reset the second operating panel 150 to the waiting position. Compared with the two-step fire alarm button 100, the provision of the guide rib 260 allows the second operating panel 150 to reset itself, which improves the convenience of using the two-step fire alarm button. In addition, the guide rib 260 also changes the position of the second operating panel 150 triggering the button module 130, and also changes the triggering position of the second operating panel 150. Specifically, Fig.16 and Fig.17 FIG. 1 shows a cross-sectional view of a double-step activation fire alarm button 100 ′ according to an embodiment of the present utility model. Fig.16 and Fig.17 As shown, when the user presses the second operation panel 150, the second operation panel 150 moves to the trigger position under the action of the guide rib 260. At this time, the second rib 154 in the second operation panel 150 squeezes and triggers the button module 130, and the second elastic member 200 is in a compressed state and accumulates elastic potential energy; when the user releases the second operation panel 150, the second elastic member 200 releases the elastic potential energy, and under the guidance of the second rib 154, the second operation panel 150 can be reset to the trigger position. Obviously, in the two-step fire alarm button 100', the second rib 154 can be used as a trigger rib and a test rib. Therefore, the first rib 153 may not be provided in the two-step fire alarm button 100'.

[0085] According to one embodiment of the utility model, Fig.16 As shown, the guide rib 260 can be configured to be suitable for unfastening the second operation panel 150 from the hook 190. Specifically, during the assembly process of the two-step fire alarm button 100', the hook 190 cooperates with the second elastic member 200 to fix the second operation panel 150, which facilitates the transportation of accessories / modules. After the two-step fire alarm button 100' is assembled, the guide rib 260 will slightly push the second operation panel 150 to unfasten the second operation panel 150 from the hook 190, so that the user can press the second operation panel 150 more easily.

[0086] Compared with the prior art, the embodiment of the utility model provides a two-step fire alarm button, wherein, by setting a first operation panel and a second operation panel, when using the two-step fire alarm button, the user needs to first operate the first operation panel to switch the first operation panel from a closed position to an open position, and then operate the second operation panel to switch the second operation panel from a to-be-triggered position to a triggered position, and the second operation panel triggers the key module to realize a fire alarm. This design that requires the completion of two operation steps in succession verifies the certainty of the user's operation, reduces the possibility of the two-step fire alarm button being triggered by mistake, and improves the reliability of the two-step fire alarm button.

[0087] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A two-step fire alarm button, characterized in that: include: a first shell; A second shell is provided with an opening, connected with the first shell and together forming a receiving cavity; A key module is arranged in the accommodating cavity; a first operating panel, movably connected to the second shell, the first operating panel having a closed position and an open position, wherein in the closed position, the first operating panel closes the opening; in the open position, the first operating panel avoids the opening, and the opening is in an open state; The second operation panel is arranged between the button module and the first operation panel, and the second operation panel has a to-be-triggered position and a triggering position, wherein, when in the to-be-triggered position, the second operation panel maintains a preset distance from the button module; when in the triggering position, the second operation panel triggers the button module.

2. The double-step fire alarm button according to claim 1, wherein: The first operation panel is hinged to the second shell through a first rotating shaft.

3. The double-step fire alarm button according to claim 1, wherein: The two-step activation fire alarm button further comprises a clip, the clip is movably connected to the second housing, and the clip has a locked position and an unlocked position; Wherein, when in the locked position, the clip can be engaged with the first operating panel and restrict the first operating panel to the closed position; when in the unlocked position, the clip releases the restriction on the first operating panel.

4. The double-step fire alarm button according to claim 3, wherein: A card slot is provided at one end of the first operation panel, the card includes a locking end, and the locking end is provided with a guiding inclined surface; Wherein, when the clip is in the locking position, the locking end of the clip is inserted into the slot; when the first operating panel is pressed in the closed position, the first operating panel presses the guiding slope and pushes the clip to the unlocking position.

5. The double-step activation fire alarm button according to claim 1, wherein: The two-step activation fire alarm button further includes a first elastic member, the first elastic member is connected to the first operating panel and the second shell respectively, and the first elastic member is configured to cause the first operating panel to reset to the open position.

6. The double-step activation fire alarm button according to claim 5, wherein: The first elastic member is a torsion spring; A fixed shaft is arranged in the second shell, the torsion spring is sleeved on the fixed shaft, one end of the torsion spring abuts against the second shell, and the other end of the torsion spring abuts against the back surface of the first operation panel.

7. The two-step activation fire alarm button according to claim 1, wherein: A first identification film is disposed on the front of the first operation panel, and identification information is disposed on the first identification film.

8. The two-step activation fire alarm button according to claim 1, wherein: A first rib is disposed on the back of the second operating panel. When the second operating panel is at the triggering position, the first rib presses and triggers the button module.

9. The two-step activation fire alarm button according to claim 8, wherein: The second operating panel also has a testing position. A second rib is disposed on the back of the second operating panel. When the second operating panel is in the testing position, the second rib presses and triggers the key module.

10. The double-step fire alarm button according to any one of claims 1 to 9, wherein: Two guide slots are arranged on the inner side of the second shell, and second rotating shafts are arranged on both sides of the second operating panel respectively. The second rotating shafts are inserted into the corresponding guide slots and are configured to rotate and slide in the guide slots.

11. The two-step activation fire alarm button according to claim 10, wherein: The two-step fire alarm button also includes: A hook connected to the inner side of the second housing, when the second operating panel is in the to-be-triggered position, one end of the second operating panel is engaged with the hook; and The second elastic member is connected between the second shell and the second operating panel, and the second elastic member is configured to cause the second operating panel to move to the trigger position.

12. The two-step activation fire alarm button according to claim 11, wherein: A avoidance hole is arranged on the second operation panel near the hook.

13. The two-step activation fire alarm button according to claim 1, wherein: A second rib is disposed on the back of the second operating panel. When the second operating panel is at the triggering position, the second rib presses and triggers the button module.

14. The two-step activation fire alarm button according to claim 13, wherein: The second operating panel also has a testing position. When the second operating panel is in the testing position, the second rib presses and triggers the key module.

15. A two-step fire alarm button according to any one of claims 1-7, 13 and 14, wherein: Two guide slots are provided on the inner side of the second housing, and second rotating shafts are provided on both sides of the second operating panel respectively. The second rotating shafts are inserted into the corresponding guide slots and are configured to rotate and slide in the guide slots; The two-step fire alarm button further includes a guide rib, which is arranged on a side of the button module facing the second operating panel, and is configured to guide the second operating panel to move between the to-be-triggered position and the trigger position.

16. The two-step activation fire alarm button according to claim 15, wherein: The two-step activation fire alarm button also includes a second elastic member, which is connected between the second shell and the second operating panel, and the second elastic member is configured to cause the second operating panel to reset to the to-be-triggered position under the guidance of the guide ribs.

17. The two-step activation fire alarm button according to claim 16, wherein: The two-step activation fire alarm button further includes a hook, which is connected to the inner side of the second shell and is configured to be suitable for being engaged with the second operation panel.

18. The two-step activation fire alarm button according to claim 17, wherein: The guide rib is configured to be suitable for unfastening the second operating panel from the hook.

19. The two-step activation fire alarm button according to claim 1, wherein: The first operation panel and the second operation panel are respectively provided with windows, and the two windows are aligned with each other; A second identification film is provided on the front of the button module, and identification information is provided on the second identification film. The identification information is configured to be used to prompt a user of the current state of the double-step activation fire alarm button.

20. The two-step activation fire alarm button according to claim 1, wherein: The key module comprises a circuit board and a key, and the key is fixed on the circuit board.

21. The two-step activation fire alarm button according to claim 20, wherein: The button module also includes: a cover plate, disposed between the second operation panel and the circuit board, wherein a mounting hole is disposed on the cover plate, and the mounting hole is aligned with the button; and A key cap is movably arranged in the mounting hole, and the key cap is configured to be suitable for triggering the key.

22. The two-step activation fire alarm button according to claim 21, wherein: The key cap is a silicone cap, a plastic cap or a rubber cap.

23. The two-step activation fire alarm button according to claim 21, wherein: The key module further includes a pressing plate, which is hinged to the cover plate and covers the key cap, and the pressing plate is configured to cooperate with the second operation panel to press the key cap.

24. The two-step activation fire alarm button according to claim 23, wherein: The cover plate is provided with a connecting hole and a limiting hole, and the pressing plate is provided with a third rotating shaft and a limiting shaft; Wherein, the rotating shaft is located in the connecting hole and rotatably cooperates with the connecting hole; the limiting shaft is located in the limiting hole, and the limiting shaft cooperates with the limiting hole to limit the rotation range of the pressing plate.

25. The two-step activation fire alarm button according to claim 1, wherein: The second shell is provided with a first through hole and / or a second through hole, wherein the first through hole can be configured to be suitable for performing a reset operation of the first operation panel, and the second through hole is configured to be suitable for performing an alarm test operation and / or a reset operation of the second operation panel.

26. The two-step activation fire alarm button according to claim 25, wherein: The two-step activation fire alarm button further includes a protective plate, which is snap-connected to the second shell, and the protective plate is configured to close the second through hole.

27. The two-step activation fire alarm button according to claim 25, wherein: The two-step activation fire alarm button further includes a reset key, wherein the reset key includes a first end and / or a second end; The first end is configured to be inserted into the first through hole and perform a reset operation on the first operation panel; the second end is configured to be inserted into the second through hole and perform an alarm test operation and / or a reset operation on the second operation panel.

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