Anti-falling remote controller
By using miniature shaft connections and shock-absorbing components in the remote control, the housing is quickly disassembled and fixed, which solves the problems of poor anti-fall performance and inconvenient maintenance of the remote control, extends the service life and improves durability.
Patent Information
- Application Number
- CN202420763871.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-15
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-04-15
AI Technical Summary
The existing remote control has poor anti-fall performance, easy to break, and the fixed shell is not easy to open and close, resulting in inconvenient maintenance and maintenance.
A anti-fall type remote control is designed, using the lower case and the upper case through a miniature rotation shaft, and a shock absorbing component is installed on the rear side of the lower case, including an elastic guard plate and a protective bollard. The built-in component is in the installation groove and is passed Adjustment of the opening and closing assembly and fixing assembly enables rapid removal and fixation of the housing.
It provides a more durable and anti-bump remote control, which facilitates maintenance and maintenance, extends service life, and buffers external forces through shock absorbing components to reduce damage and simplifies the battery pack replacement process.
Smart Images

Figure CN222216319U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a remote controller, in particular to an anti-fall type remote controller. Background Art
[0002] The remote control is a wireless transmitting device that encodes the key information through modern digital coding technology and emits light waves through infrared diodes. The light waves are converted into electrical signals by the infrared receiver of the receiver, which are decoded by the processor and demodulated to produce the corresponding instructions to control the set-top box and other devices to complete the required operations.
[0003] In the prior art, the shell of the remote control is made of hard plastic, which has poor anti-fall performance. When the remote control falls on the ground, it may be damaged by the impact force, and the battery and cover at the bottom of the remote control are easy to fall out of the remote control when the impact force is applied. The fixed shell of the remote control is not easy to open and close, which also makes it inconvenient to maintain and inspect its internal components. Utility Model Content
[0004] In view of this, the utility model provides a drop-proof remote control, the purpose of which is to provide a drop-proof remote control that is more durable, anti-collision, and easy to maintain and repair.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A drop-proof remote controller comprises a lower shell, an upper shell rotatably connected to one end of the lower shell through a micro-rotating shaft, the four ends of the rear side of the lower shell are respectively provided with shock-absorbing components, a mounting groove is integrally formed in the lower shell, and a built-in component is arranged in the mounting groove; the shock-absorbing component comprises an elastic guard plate, the rear wall of the elastic guard plate is connected to the rear end surface of the lower shell through a telescopic spring, and the inner side of the side wall of the elastic guard plate is provided with two protective columns at right angles, the two protective columns are respectively connected to the lower shell by sliding through, and the two protective columns are respectively connected to the two ends located in the lower shell through compression springs; the built-in component comprises a keypad arranged on the upper shell, a heat conducting plate correspondingly arranged in the mounting groove, a circuit board is installed on the heat conducting plate, a controller is arranged on the upper part of the circuit board, a battery pack is arranged on the lower part of the circuit board, an infrared annunciator is arranged on the upper part of the circuit board adjacent to the controller, one end of the infrared annunciator passes through the mounting groove and the lower shell in sequence to extend outside the lower shell, and the other end of the infrared annunciator is arranged on the circuit board.
[0007] Preferably, it also includes two groups of adjustment opening and closing components, which are respectively arranged on the left and right sides of the lower shell and located between the lower shell and the mounting groove; each group of the adjustment opening and closing components includes a guide rail arranged between the lower shell and the mounting groove, a slider slidably arranged in the guide rail, a first hinge seat arranged on the slider, a first connecting rod with one end detachably rotatably hinged to the first hinge seat and the other end detachably rotatably hinged to the second hinge seat, and a second connecting rod with one end detachably rotatably connected to the lower shell and the other end detachably rotatably connected to the middle part of the first connecting rod, wherein the second hinge seat is detachably arranged on the inner wall of the upper shell.
[0008] Preferably, the upper shell and the lower shell are fixed by multiple groups of fixing components, and each group of the fixing components includes a fixing part arranged on the lower shell, a mounting hole frame arranged on the upper shell, a hanging ring sleeved in the mounting hole frame, a fixing plate hung in the hanging ring through a hanging hole, and an adjustment hole opened on the fixing plate corresponding to the fixing part.
[0009] Preferably, the controller is electrically connected to the circuit board, the battery pack, the keypad and the infrared annunciator respectively.
[0010] Preferably, a battery pack shell is provided on the upper shell corresponding to the battery pack, and a group of the fixing components is provided between the battery pack shell and the lower shell correspondingly.
[0011] Preferably, a plurality of ventilation holes are provided on the rear side of the lower shell.
[0012] Preferably, the upper shell, the lower shell, the elastic guard plate and the mounting groove are all made of elastic anti-fall material.
[0013] The beneficial effects of the utility model are:
[0014] 1. The utility model includes a lower shell body, an upper shell body rotatably connected to one end of the lower shell body through a micro-rotating shaft, and the four ends of the rear side of the lower shell body are respectively provided with shock-absorbing components, and a mounting groove is integrally formed in the lower shell body, and a built-in component is arranged in the mounting groove, wherein the arrangement of the lower shell body and the upper shell body rotatably connected through the micro-rotating shaft not only facilitates the opening and closing between the two but also facilitates the maintenance and repair of the built-in components, and the arrangement of the shock-absorbing component can provide buffering and shock-absorbing for the entire remote control, and reduce the damage to the remote control caused by collision, falling, etc., and the built-in components are arranged in the mounting groove, so that the distribution and installation of the built-in components are more modular, and the mounting groove provides secondary protection for the built-in components. In general, this remote control can provide effective protection for the remote control and its built-in components by installing the built-in components in the mounting groove integrally formed with the lower shell body, and through the buffering and shock-absorbing effect of the shock-absorbing component, compared with the traditional remote control, this arrangement can extend the service life of the entire remote control, and also facilitate the maintenance and repair of the built-in components inside the remote control; the shock-absorbing component includes an elastic guard plate, and the elastic guard plate is corresponding to the four corners of the lower shell body and one of them The end face of the "L"-shaped arc plate is fitted with the lower shell, and the rear wall of the elastic guard plate is connected to the rear end face of the lower shell by a telescopic spring, which is conducive to providing buffering for the remote control when it encounters a collision or falls. The inner side of the side wall of the elastic guard plate is provided with two protective columns at right angles, and the two protective columns are respectively connected with the lower shell for sliding through, and the two protective columns are respectively connected with the two ends located in the lower shell by compression springs. When the remote control encounters a collision or falls, the external force exerted on the elastic guard plate can cause the two protective columns to be adjusted accordingly, and at the same time, the elastic buffering effect of the compression spring can be used to disperse and buffer the external force exerted on the remote control, thereby reducing the damage caused to the remote control and greatly extending the overall service life of the remote control; the built-in components include a keypad arranged on the upper shell, and a heat conducting plate correspondingly arranged in the mounting groove. The heat conducting plate can be made of conventional heat conducting materials in the prior art, and is used to conduct the heat emitted by the heating element installed near the heat conducting plate during operation. A circuit board is installed on the heat conducting plate, and a controller is arranged on the upper part of the circuit board. The controller can adopt a small controller PNOZmu lti 2 model controller, this controller can be applied to commonly used communication networks and can also connect, control and monitor multiple components at the same time. A battery pack is arranged at the lower part of the circuit board, and the battery pack can provide energy for the operation of the electrical components contained in the entire remote control. An infrared signal device is arranged adjacent to the controller at the upper part of the circuit board. One end of the infrared signal device passes through the installation groove and the lower shell in sequence and extends to the outside of the lower shell. The other end of the infrared signal device is arranged on the circuit board. The infrared signal device adopts the infrared transmitter used in conventional remote controls in the prior art to send signal instructions.
[0015] 2. The utility model also includes two groups of adjustment opening and closing components, which are respectively arranged on the left and right sides of the lower shell and located between the lower shell and the mounting groove. This arrangement makes full use of the internal space of the remote control and also avoids interference with other built-in components during operation of the two groups of adjustment opening and closing components; each group of adjustment opening and closing components includes a guide rail arranged between the lower shell and the mounting groove, the guide rail can guide the sliding of the slider to ensure that the slider can slide with high precision along a specific trajectory, the slider slidingly arranged in the guide rail, the first hinge seat arranged on the slider, one end of which is detachably rotatably hinged with the first hinge seat, and the other end of which is detachably rotatably hinged with the first hinge seat. The first connecting rod is detachably rotatably hinged to the second hinge seat at one end, and the second connecting rod is detachably rotatably connected to the lower shell body at one end and detachably rotatably connected to the middle part of the first connecting rod at the other end, wherein the second hinge seat is detachably arranged on the inner wall of the upper shell body. This arrangement drives the first hinge seat to slide through the slider so that the first connecting rod and the second connecting rod rotatably connected to the middle part of the first connecting rod rotate relative to each other, thereby causing the upper shell body to flip over through the micro-rotating shaft, so that the upper shell body and the lower shell body are separated or combined. At the same time, the detachable arrangement of the first connecting rod, the second connecting rod and the second hinge seat facilitates the individual replacement of damaged parts and greatly reduces the economic loss required for part maintenance.
[0016] 3. The upper shell and the lower shell of the utility model are fixed by multiple groups of fixing components, each group of fixing components includes a fixing piece arranged on the lower shell, and a lug is arranged on the fixing piece for clamping the fixing plate after the fixing piece is installed through the adjustment hole. A mounting hole frame is arranged on the upper shell, a hanging ring is sleeved in the mounting hole frame, a fixing plate hung in the hanging ring through the hanging hole, and an adjustment hole is opened on the fixing plate corresponding to the fixing piece. This setting can quickly fix the upper shell and the lower shell by rotating and adjusting the adjustment hole and the fixing piece and the lugs thereon in correspondence. Compared with the previous installation method of snap-fitting or one-piece molding of the remote control shell, this setting has good fastness and is easy to operate, which facilitates the rapid maintenance and repair of the built-in components inside the remote control.
[0017] 4. The controller of the utility model is electrically connected to the circuit board, battery pack, keyboard and infrared annunciator respectively. This arrangement enables the remote control to perform its functions normally by controlling the circuit board, battery pack, keyboard and infrared annunciator respectively through the controller.
[0018] 5. A battery pack shell is provided on the upper shell of the utility model corresponding to the battery pack, the battery pack shell is rotatably connected to the upper shell, and a group of fixing components are provided between the battery pack shell and the lower shell correspondingly. This arrangement allows for quick replacement of the battery pack by simply opening the corresponding fixing components when replacing the battery pack individually, so that the battery pack shell can be opened, which is more convenient and efficient.
[0019] 6. The rear side of the lower shell of the utility model is provided with a plurality of ventilation holes, which can cooperate with the heat-conducting plate to naturally dissipate the heat emitted by the heating element to the outside of the shell.
[0020] 7. The upper shell, lower shell, elastic guard plate and mounting groove of the utility model are all made of elastic anti-fall material, and anti-slip protrusions are provided on the left and right sides of the upper shell and the lower shell. This setting can provide good buffering and shock absorption for the remote control as a whole during use, and provide good buffering protection for its internal built-in components, which can greatly extend the service life of the remote control as a whole. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;
[0022] Figure 2 This is a front view structural schematic diagram of the utility model;
[0023] Figure 3 It is a rear view structural schematic diagram of the utility model;
[0024] Figure 4 It is a schematic diagram of the left side cross-sectional structure of the utility model when it is opened;
[0025] Figure 5 This is a schematic diagram of the structure of the utility model when viewed from above;
[0026] Figure 6 for Figure 1 A schematic diagram of the enlarged structure of part A;
[0027] Figure 7 for Figure 1 A schematic diagram of the enlarged structure of part B;
[0028] Figure 8 It is a structural schematic diagram of the fixing component of the utility model.
[0029] Figure numerals: 1: lower shell, 2: micro shaft, 3: upper shell, 4: shock absorbing assembly, 5: mounting groove, 6: built-in assembly, 7: elastic guard plate, 8: telescopic spring, 9: protective column, 10: compression spring, 11: keypad, 12: heat conduction plate, 13: circuit board, 14: controller, 15: battery pack, 16: infrared annunciator, 17: adjustment opening and closing assembly, 18: guide rail, 19: slider, 20: first hinge seat, 21: second hinge seat, 22: first connecting rod, 23: second connecting rod, 24: fixing assembly, 25: fixing part, 26: mounting hole frame, 27: hanging ring, 28: hanging hole, 29: fixing plate, 30: adjustment hole, 31: battery pack shell, 32: ventilation hole, 33: lug. DETAILED DESCRIPTION
[0030] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0031] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention 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 invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0032] In the description of the present invention, 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 or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0033] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7As shown, it includes a lower shell body and an upper shell body rotatably connected to one end of the lower shell body through a micro-rotating shaft, the four ends of the rear side of the lower shell body are respectively provided with shock-absorbing components, and a mounting groove is integrally formed in the lower shell body, and a built-in component is arranged in the mounting groove, wherein the setting that the lower shell body and the upper shell body are rotatably connected through the micro-rotating shaft not only facilitates the opening and closing between the two but also facilitates the maintenance and inspection of the built-in components, the setting of the shock-absorbing component can provide buffering and shock absorption for the entire remote control, and reduce the damage to the remote control caused by collision, falling, etc., the built-in components are arranged in the mounting groove, so that the distribution and installation of the built-in components are more modular, and the mounting groove provides secondary protection for the built-in components. In general, this remote control installs the built-in components in the mounting groove integrally formed with the lower shell body, and through the buffering and shock-absorbing effect of the shock-absorbing component, compared with the traditional remote control, this setting can provide effective protection for the remote control and its built-in components, prolong the overall service life of the remote control, and also facilitate the maintenance and inspection of the built-in components inside the remote control; the shock-absorbing component includes an elastic guard plate, which is corresponding to the four corners of the lower shell body and one of the end faces An "L"-shaped arc plate is fitted with the lower shell, and the rear wall of the elastic guard plate is connected to the rear end surface of the lower shell by a telescopic spring, which is conducive to providing buffering for the remote control when it encounters a collision or falls. Two protective columns are arranged at right angles on the inner side of the side wall of the elastic guard plate, and the two protective columns are respectively connected with the lower shell by sliding through. The two protective columns are respectively connected to the two ends located in the lower shell by compression springs. When the remote control encounters a collision or falls, the external force exerted on the elastic guard plate can cause the two protective columns to be adjusted accordingly. At the same time, the elastic buffering effect of the compression spring can be used to disperse and buffer the external force exerted on the remote control, thereby reducing the damage caused to the remote control and greatly extending the overall service life of the remote control. The built-in components include a keypad arranged on the upper shell, and a heat conducting plate correspondingly arranged in the mounting groove. The heat conducting plate can be made of conventional heat conducting materials in the prior art, and is used to conduct the heat emitted by the heating element installed near the heat conducting plate during operation. A circuit board is installed on the heat conducting plate, and a controller is arranged on the upper part of the circuit board. The controller can adopt a small controller PNOZmu lti 2 model controller, this controller can be applied to commonly used communication networks and can also connect, control and monitor multiple components at the same time. A battery pack is arranged at the lower part of the circuit board, and the battery pack can provide energy for the operation of the electrical components contained in the entire remote control. An infrared signal device is arranged adjacent to the controller at the upper part of the circuit board. One end of the infrared signal device passes through the installation groove and the lower shell in sequence and extends to the outside of the lower shell. The other end of the infrared signal device is arranged on the circuit board. The infrared signal device adopts the infrared transmitter used in conventional remote controls in the prior art to send signal instructions.
[0034] like Figure 1 , Figure 4 and Figure 7As shown, it also includes two groups of adjustment opening and closing components, which are respectively arranged on the left and right sides of the lower shell and are located between the lower shell and the mounting groove. This arrangement makes full use of the internal space of the remote control and also avoids the two groups of adjustment opening and closing components from interfering with other built-in components during operation; each group of adjustment opening and closing components includes a guide rail arranged between the lower shell and the mounting groove, the guide rail can guide the sliding of the slider to ensure that the slider can slide with high precision along a specific trajectory, the slider slidingly arranged in the guide rail, the first hinge seat arranged on the slider, one end of which is detachably rotatably hinged with the first hinge seat, and the other end is hinged with the first hinge seat. The second hinge seat is detachably connected to the first connecting rod of the rotation hinge, and the second connecting rod has one end detachably connected to the lower shell body and the other end detachably connected to the middle part of the first connecting rod. The second hinge seat is detachably arranged on the inner wall of the upper shell body. This arrangement drives the first hinge seat to slide through the slider so that the first connecting rod and the second connecting rod rotatably connected to the middle part of the first connecting rod rotate relative to each other, thereby causing the upper shell body to flip through the micro-rotating shaft to separate or combine the upper shell body and the lower shell body. At the same time, the detachable arrangement of the first connecting rod, the second connecting rod and the second hinge seat facilitates the individual replacement of damaged parts and greatly reduces the economic loss required for part maintenance.
[0035] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 8 As shown, the upper shell and the lower shell are fixed by multiple groups of fixing components, each group of fixing components includes a fixing piece arranged on the lower shell, and a lug is arranged on the fixing piece for clamping the fixing plate after the fixing piece is installed through the adjustment hole, a mounting hole frame arranged on the upper shell, a hanging ring sleeved in the mounting hole frame, a fixing plate hung in the hanging ring through the hanging hole, and an adjustment hole opened on the fixing plate corresponding to the fixing piece. This setting can quickly fix the upper shell and the lower shell by rotating and adjusting the adjustment hole and the fixing piece and the lug thereon accordingly. Compared with the previous installation method of snap-fitting or one-piece molding of the remote control shell, this setting has good tightness and is easy to operate, and is convenient for rapid maintenance and repair of the built-in components inside the remote control.
[0036] like Figure 1 , Figure 2 , Figure 4 and Figure 7 As shown, the controller is electrically connected to the circuit board, battery pack, keypad and infrared annunciator respectively. This arrangement enables the remote controller to perform its functions normally by controlling the circuit board, battery pack, keypad and infrared annunciator respectively through the controller.
[0037] like Figure 2 , Figure 4 and Figure 5 As shown, a battery pack shell is provided on the upper shell corresponding to the battery pack, the battery pack shell is rotatably connected to the upper shell, and a group of fixing components are provided between the battery pack shell and the lower shell correspondingly. This arrangement allows for quick replacement of the battery pack by simply opening the corresponding fixing component so that the battery pack shell can be opened, which is more convenient and efficient.
[0038] like Figure 3 and Figure 4 As shown, a plurality of ventilation holes are provided on the rear side of the lower shell, and the ventilation holes can cooperate with the heat conducting plate to naturally dissipate the heat emitted by the heating element to the outside of the shell.
[0039] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, the upper shell, lower shell, elastic guard plate and mounting groove are all made of elastic anti-fall material. This setting can provide good buffering and shock absorption for the remote control as a whole during use, as well as good buffering and protection for its internal built-in components, which can greatly extend the overall service life of the remote control.
[0040] The specific operating principle is:
[0041] When using this remote control, the user first needs to click the keyboard, and under the control of the controller, the current signal on the circuit board is controlled, so that the analog signal on the circuit board is transmitted to the infrared signal device, so that the infrared signal device sends a corresponding signal instruction; when the remote control encounters external forces such as collision or falling, the two protective columns can be adjusted accordingly under the elastic force of the telescopic spring and the external force received by the elastic guard plate, and the external force received by the remote control can be dispersed and buffered by the elastic buffering effect of the compression spring, thereby reducing the damage to the remote control; when it is necessary to maintain and repair the built-in components inside the remote control, the upper shell and the lower shell can be quickly separated by rotating and adjusting the adjustment hole and the fixing piece and the lugs thereon accordingly, and then the first hinge seat is driven to slide by the slider so that the first connecting rod and the second connecting rod connected to the middle of the first connecting rod rotate relative to each other, so that the upper shell is flipped through the micro-shaft, so that the upper shell is separated from the lower shell, and the built-in components can be quickly maintained and repaired; when only the battery pack needs to be replaced, it is only necessary to open the corresponding fixing assembly separately so that the battery pack shell is opened to quickly replace the battery pack.
[0042] The electrical components provided by the utility model are only used for the purpose of this technical solution according to the structural characteristics of the product. The product will be adjusted and modified after purchase to make it more compatible with and in line with the technical solution of the utility model. It is a technical solution for the best application of this technical solution. The model of the product can be replaced and modified according to the required technical parameters, which is well known to the technical personnel in this field. Therefore, the technical personnel in this field can clearly obtain the corresponding use effect through the technical solution provided by the utility model.
[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.
Claims
1. A drop-proof remote control, characterized in that: It comprises a lower shell, and an upper shell rotatably connected to one end of the lower shell through a micro-rotating shaft, wherein the four ends of the rear side of the lower shell are respectively provided with shock absorbing components, and a mounting groove is integrally formed in the lower shell, and a built-in component is provided in the mounting groove; The shock absorbing assembly includes an elastic guard plate, the rear wall of which is connected to the rear end surface of the lower shell through a telescopic spring, and the inner side of the side wall of the elastic guard plate is provided with two protective columns at right angles, the two protective columns are respectively connected to the lower shell by sliding through, and the two ends of the two protective columns corresponding to the lower shell are connected by compression springs; The built-in component includes a keypad arranged on the upper shell, a heat-conducting plate correspondingly arranged in the mounting groove, a circuit board mounted on the heat-conducting plate, a controller arranged on the upper part of the circuit board, a battery pack arranged on the lower part of the circuit board, an infrared annunciator arranged on the upper part of the circuit board adjacent to the controller, one end of the infrared annunciator sequentially passes through the mounting groove and the lower shell and extends to the outside of the lower shell, and the other end of the infrared annunciator is arranged on the circuit board.
2. The drop-proof remote controller according to claim 1, characterized in that: It also includes two groups of adjustment opening and closing components, which are respectively arranged on the left and right sides of the lower shell and located between the lower shell and the mounting groove; each group of the adjustment opening and closing components includes a guide rail arranged between the lower shell and the mounting groove, a slider slidably arranged in the guide rail, a first hinge seat arranged on the slider, a first connecting rod with one end detachably rotatably hinged to the first hinge seat and the other end detachably rotatably hinged to the second hinge seat, and a second connecting rod with one end detachably rotatably connected to the lower shell and the other end detachably rotatably connected to the middle part of the first connecting rod, wherein the second hinge seat is detachably arranged on the inner wall of the upper shell.
3. The drop-proof remote controller according to claim 1, characterized in that: The upper shell and the lower shell are fixed by multiple groups of fixing components, and each group of the fixing components includes a fixing piece arranged on the lower shell, a mounting hole frame arranged on the upper shell, a hanging ring sleeved in the mounting hole frame, a fixing plate hung in the hanging ring through a hanging hole, and an adjustment hole opened on the fixing plate corresponding to the fixing piece.
4. The drop-proof remote controller according to claim 1, characterized in that: The controller is electrically connected to the circuit board, the battery pack, the keypad and the infrared annunciator respectively.
5. The drop-proof remote controller according to claim 3, characterized in that: A battery pack housing is provided on the upper housing corresponding to the battery pack, and a group of fixing components is provided between the battery pack housing and the lower housing correspondingly.
6. The drop-proof remote controller according to claim 1, characterized in that: A plurality of ventilation holes are provided on the rear side of the lower shell.
7. The drop-proof remote controller according to claim 1, characterized in that: The upper shell, the lower shell, the elastic guard plate and the mounting groove are all made of elastic anti-fall material.
