Explosion-proof key structure for building equipment

Abstract

The utility model discloses a kind of explosion-proof key structure for building equipment, including injection-molded lower cover, the front side of injection-molded lower cover is fixedly installed with injection-molded upper cover, the front side of injection-molded upper cover is fixedly installed with aluminum alloy middle frame, the front side of aluminum alloy middle frame is adhesively fixed with stainless steel panel, multiple explosion-proof key structure bodies are installed on stainless steel panel, aluminum alloy middle frame and injection-molded upper cover, the explosion-proof key structure body includes: PCB key plate, is screwed on injection-molded upper cover.The utility model utilizes the strength and elasticity of component, can play better anticollision and protection effect, it can play the buffering effect to the extrusion force received, solve the problem that entire device cannot normally work when someone goes to break or dangerous thing impacts when in outdoor or like abroad relatively chaotic environment, and cooperate the setting of key fixed silica gel pad, can play the effect of waterproof, improve use stability.

Description

Technical Field

[0001] This utility model relates to the field of building equipment technology, and in particular to an explosion-proof button structure for building equipment. Background Technology

[0002] Previously, the requirements for explosion-proof and protection levels of building intercom door stations were not high; as long as they could be installed and used normally, that was sufficient. However, since the buttons on building intercom door stations do not have explosion-proof functions, if the door station equipment is installed in a relatively chaotic environment, someone may smash it or dangerous objects may hit the equipment, which will affect the user experience and the performance of the equipment. Moreover, after-sales maintenance requires effort and costs. Therefore, this application proposes an explosion-proof button structure for building equipment. Utility Model Content

[0003] The purpose of this invention is to address the shortcomings of existing technologies by proposing an explosion-proof button structure for building equipment.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] An explosion-proof button structure for building equipment includes an injection-molded lower cover, an injection-molded upper cover fixedly mounted on the front side of the injection-molded lower cover, an aluminum alloy middle frame fixedly mounted on the front side of the injection-molded upper cover, a stainless steel panel bonded to the front side of the aluminum alloy middle frame, and multiple explosion-proof button structure bodies mounted on the stainless steel panel, the aluminum alloy middle frame, and the injection-molded upper cover. Each explosion-proof button structure body includes:

[0006] The PCB button board is threadedly fastened to the injection-molded top cover.

[0007] Black conductive silicone keypad mounting plate, which consists of multiple sets and is installed on the front side of the PCB keypad board;

[0008] There are multiple black conductive silicone buttons, which are fixedly connected to a black conductive silicone button mounting plate.

[0009] Multiple silicone pads are used to fix the buttons and are bonded to the front of the black conductive silicone button mounting plate.

[0010] The explosion-proof button body consists of multiple parts, each of which is fixedly connected to a corresponding button fixing silicone pad.

[0011] The positioning posts, which are multiple in number, are installed on the corresponding button fixing silicone pads, and the explosion-proof button body is sleeved on the corresponding positioning posts;

[0012] Multiple springs are fixedly connected to the inner left side of the corresponding explosion-proof button body. The springs are movably sleeved on the corresponding positioning posts, and their right ends are fixedly connected to the button fixing silicone pad.

[0013] Preferably, the explosion-proof button body is made of a combination of die-cast aluminum alloy and transparent PC, and the stainless steel panel is made of 316 stainless steel.

[0014] Preferably, the front side of the aluminum alloy frame is bonded with double-sided adhesive, and the front side of the double-sided adhesive is bonded to the rear side of the stainless steel panel. The double-sided adhesive is 3M 5919 double-sided adhesive.

[0015] Preferably, the PCB button board has multiple screw holes, the injection molded top cover has multiple screw slots, and the bolt slots and the corresponding screw holes are threaded with the same self-tapping screw.

[0016] Preferably, the PCB button board has multiple contacts, and the black conductive silicone button cooperates with three corresponding contacts. A distance of 0.8mm is reserved between the black conductive silicone button and the PCB button board. When the black conductive silicone button is pressed, the corresponding digital function of the button is triggered as long as the distance between any of the three contacts is zero.

[0017] Preferably, the injection-molded top cover is provided with multiple button slots, the explosion-proof button body is movably fitted into the corresponding button slot, the side wall of the button slot is provided with a waterproof groove, a silicone waterproof sealing strip is adhered in the waterproof groove, and the silicone waterproof sealing strip is in close contact with the outer side of the corresponding explosion-proof button body.

[0018] Compared with existing technologies, the beneficial effects of this utility model are:

[0019] 1. By combining the stainless steel panel, explosion-proof button body, spring and button fixing silicone pad, the strength can play a good role in shock protection, and the elasticity of the spring and button fixing silicone pad can buffer the pressure. The button fixing silicone pad can also play a waterproof role.

[0020] This utility model utilizes the strength and elasticity of the components to provide good impact resistance and protection. It can buffer the pressure it receives, solving the problem that the entire device cannot work properly when it is outdoors or in chaotic environments like those abroad, where someone might hit it or a dangerous object might collide with it. In addition, the silicone pad for fixing the buttons provides a waterproof effect and improves the stability of use. Attached Figure Description

[0021] Figure 1 This is a structural diagram of an explosion-proof button structure for building equipment proposed in this utility model;

[0022] Figure 2 This is a left-side view of the explosion-proof button structure for building equipment proposed in this utility model;

[0023] Figure 3 This is a rear view schematic diagram of an explosion-proof button structure for building equipment proposed in this utility model;

[0024] Figure 4 This is a right-side sectional view of the explosion-proof button structure for building equipment proposed in this utility model;

[0025] Figure 5 for Figure 4 A magnified structural diagram of part A in the middle.

[0026] In the diagram: 1. Injection-molded top cover; 2. Explosion-proof button body; 3. Injection-molded bottom cover; 4. Aluminum alloy middle frame; 5. Stainless steel panel; 6. Double-sided adhesive; 7. Contact point; 8. Button fixing silicone pad; 9. Spring; 10. Positioning post; 11. PCB button board; 12. Self-tapping screw; 13. Black conductive silicone button; 14. Black conductive silicone button mounting plate. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0028] Reference Figure 1-5 An explosion-proof button structure for building equipment includes an injection-molded lower cover 3, an injection-molded upper cover 1 fixedly installed on the front side of the injection-molded lower cover 3, an aluminum alloy middle frame 4 fixedly installed on the front side of the injection-molded upper cover 1, a stainless steel panel 5 bonded to the front side of the aluminum alloy middle frame 4, wherein a double-sided adhesive 6 is bonded to the front side of the aluminum alloy middle frame 4, and the front side of the double-sided adhesive 6 is bonded to the rear side of the stainless steel panel 5, and the double-sided adhesive 6 is 3M 5919 double-sided adhesive;

[0029] Multiple explosion-proof button structures are installed on the stainless steel panel 5, the aluminum alloy frame 4, and the injection-molded top cover 1. The explosion-proof button structures include:

[0030] The PCB button board 11 is threadedly fastened to the injection molded cover 1. The PCB button board 11 has multiple screw holes, and the injection molded cover 1 has multiple screw slots. The screw slots and the corresponding screw holes are threaded with the same self-tapping screw 12. The PCB button board 11 and the injection molded cover 1 are fixed by multiple self-tapping screws 12.

[0031] Black conductive silicone button mounting plate 14, which consists of multiple sets, is mounted on the front side of PCB button board 11.

[0032] There are multiple black conductive silicone buttons 13, which are fixedly connected to the black conductive silicone button mounting plate 14. The PCB button board 11 has multiple contacts 7. The black conductive silicone buttons 13 cooperate with three corresponding contacts 7. A distance of 0.8mm is reserved between the black conductive silicone buttons 13 and the PCB button board 11. When the distance of one of the three contacts 7 is equal to zero when the black conductive silicone buttons 13 is pressed, the contact 7 triggers the corresponding digital function of the button.

[0033] Multiple silicone pads 8 are used to fix the buttons and are bonded to the front side of the black conductive silicone button mounting plate 14. The elasticity of the silicone pads 8 can buffer and deflect the impact force during impact.

[0034] The explosion-proof button body 2 consists of multiple parts, each of which is fixedly connected to the corresponding button fixing silicone pad 8. The injection-molded top cover 1 has multiple button slots. The explosion-proof button body 2 is movably fitted into the corresponding button slot. A waterproof groove is opened on the side wall of the button slot. A silicone waterproof sealing strip is adhered in the waterproof groove. The silicone waterproof sealing strip is in close contact with the outer side of the corresponding explosion-proof button body 2, and the silicone waterproof sealing strip achieves the waterproof effect.

[0035] The explosion-proof button body 2 is made of a combination of die-cast aluminum alloy and transparent PC, and the stainless steel panel 5 is made of 316 stainless steel. The material settings can enhance the strength of the components. Both the explosion-proof button body 2 and the stainless steel panel 5 are made by insert injection molding. By pre-placing metal, plastic or other material inserts into the mold and then injection molding, they are firmly combined together, improving product performance and strengthening structural strength.

[0036] Multiple positioning posts 10 are installed on corresponding button fixing silicone pads 8. The explosion-proof button body 2 is fitted onto the corresponding positioning posts 10, and the positioning posts 10 have a positioning effect on the explosion-proof button body 2.

[0037] Multiple springs 9 are fixedly connected to the inner left side of the corresponding explosion-proof button body 2. The springs 9 are movably sleeved on the corresponding positioning post 10, and their right ends are fixedly connected to the button fixing silicone pad 8. The elasticity of the springs 9 can effectively buffer and dissipate external impact forces. This utility model utilizes the strength and elasticity of the components to play a good role in anti-collision and protection. It can buffer the pressure force it receives, solving the problem that the entire device cannot work properly when it is hit by someone or dangerous objects in outdoor or chaotic environments such as abroad. In addition, the setting of the button fixing silicone pad can play a waterproof role and improve the stability of use.

[0038] Working principle: The stainless steel panel 5, double-sided adhesive 6, and aluminum alloy frame 4, combined with the silicone pad for button fixing, prevent external water from flowing into the interior, achieving a waterproof effect. The stainless steel panel 5 and the explosion-proof button body 2, due to their strength, provide good impact resistance and protection. In conjunction with the elasticity of the spring 9 and the silicone pad for button fixing 8, the elasticity can effectively buffer and dissipate force when subjected to external impact, thereby achieving an effective explosion-proof effect, improving equipment safety and product quality, and thus enhancing the user experience.

[0039] Furthermore, in conjunction with the setting of the black conductive silicone button 13, when the explosion-proof button body 2 is pressed, the explosion-proof button body 2 sequentially moves the button fixing silicone pad 8, the black conductive silicone button mounting plate 14, and multiple black conductive silicone buttons 13. While the black conductive silicone button 13 moves, it will touch the three contacts 7 on the PCB button board 11. Since there is a 0.8mm gap between the black conductive silicone button 13 and the PCB button board 11, when the black conductive silicone button 13 is pressed and moved, as long as the distance of one of the three contacts 7 is equal to 0, the contact 7 will trigger the corresponding number function of the button, thereby completing the button operation.

[0040] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An explosion-proof button structure for building equipment, comprising an injection-molded lower cover (3), wherein an injection-molded upper cover (1) is fixedly installed on the front side of the injection-molded lower cover (3), characterized in that, An aluminum alloy frame (4) is fixedly installed on the front side of the injection-molded top cover (1). A stainless steel panel (5) is bonded and fixed to the front side of the aluminum alloy frame (4). Multiple explosion-proof button structures are installed on the stainless steel panel (5), the aluminum alloy frame (4), and the injection-molded top cover (1). The explosion-proof button structures include: The PCB button board (11) is threadedly fastened to the injection-molded top cover (1); Black conductive particle silicone keypad mounting plate (14), which consists of multiple sets, is mounted on the front side of PCB keypad board (11); There are multiple black conductive silicone buttons (13), which are fixedly connected to the black conductive silicone button mounting plate (14). Multiple silicone pads (8) are used to fix the buttons and are bonded to the front side of the black conductive silicone button mounting plate (14). The explosion-proof button body (2) consists of multiple parts, each of which is fixedly connected to the corresponding button fixing silicone pad (8); Positioning posts (10), which are multiple, are respectively installed on the corresponding button fixing silicone pads (8), and the explosion-proof button body (2) is sleeved on the corresponding positioning posts (10); Multiple springs (9) are fixedly connected to the left inner wall of the corresponding explosion-proof button body (2). The springs (9) are movably sleeved on the corresponding positioning post (10), and their right ends are fixedly connected to the button fixing silicone pad (8).

2. The explosion-proof button structure for building equipment according to claim 1, characterized in that, The explosion-proof button body (2) is made of a combination of die-cast aluminum alloy and transparent PC, and the stainless steel panel (5) is made of 316 stainless steel.

3. The explosion-proof button structure for building equipment according to claim 1, characterized in that, The front side of the aluminum alloy frame (4) is bonded with double-sided adhesive (6), and the front side of the double-sided adhesive (6) is bonded to the rear side of the stainless steel panel (5). The double-sided adhesive (6) is 3M5919 double-sided adhesive.

4. The explosion-proof button structure for building equipment according to claim 1, characterized in that, The PCB button board (11) has multiple screw holes, and the injection molded top cover (1) has multiple screw slots. The bolt slots and the corresponding screw holes are fitted with the same self-tapping screw (12).

5. The explosion-proof button structure for building equipment according to claim 1, characterized in that, The PCB keypad (11) is provided with multiple contacts (7). The black conductive silicone button (13) is matched with the three corresponding contacts (7). A distance of 0.8mm is reserved between the black conductive silicone button (13) and the PCB keypad (11). When the black conductive silicone button (13) is pressed, the contact (7) will trigger the corresponding digital function as long as the distance between any of the three contacts (7) is zero.

6. The explosion-proof button structure for building equipment according to claim 1, characterized in that, The injection-molded top cover (1) is provided with multiple button slots. The explosion-proof button body (2) is movably fitted into the corresponding button slot. A waterproof groove is provided on the side wall of the button slot. A silicone waterproof sealing strip is bonded in the waterproof groove. The silicone waterproof sealing strip is in close contact with the outer side of the corresponding explosion-proof button body (2).

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