Dimming switch

Abstract

The utility model relates to a dimmer switch, which comprises a bottom shell, a panel and a turncap, a control circuit board and a rotator electrically connected with the control circuit board are arranged in the bottom shell, the turncap is arranged on a rotating shaft of the rotator, and a wiring terminal used for connecting a lead is arranged in the bottom shell. The wiring terminal comprises a wiring frame and a screw screwed on the wiring frame, the wiring frame is provided with a wiring hole with two open ends, the bottom shell is provided with a wire inlet corresponding to the wiring hole and an operation opening corresponding to the screw, the head of the screw is provided with a clamping head, the outer diameter of the clamping head is larger than that of the operation opening, and the clamping head abuts against the inner side of the bottom shell. When the clamping head abuts against the inner side of the bottom shell, the tail end of the screw is further connected with the wiring frame in a screwed mode. The screw chuck abuts against the inner side of the bottom shell, so that the screw is prevented from falling off.

Description

TECHNICAL FIELD

[0001] The utility model relates to switch technical field, especially a kind of dimmer switch. BACKGROUND

[0002] Dimmer switch is developed to meet different needs of people to light brightness at different times.In the dimming, color switching switch device of LED lamp disclosed in CN202679717U, control circuit board is arranged in the shell, switch circuit, power supply circuit, CPU control circuit and transmitting circuit are arranged on the control circuit board, microswitch and rotary potentiometer or encoder are also arranged on the control circuit board, and the microswitch and the rotary potentiometer or encoder are electrically connected with the CPU control circuit; button for touching the microswitch and rotating cap for touching the rotary potentiometer or encoder are arranged on the shell. The shell is composed of bottom shell and panel, and there is a power supply live wire input port and power supply live wire output port on the bottom shell. And wiring terminal for connecting wire is arranged in the bottom shell. The general wiring terminal has hole at both ends to insert wire, and screw is used to fasten or loosen the inserted wire. The product will inevitably vibrate during transportation, and the screw is easy to loosen and fall out of the bottom shell during vibration, resulting in the product cannot be used. SUMMARY

[0003] The utility model discloses a kind of dimmer switches, and screw chuck is resisted to the inner side of bottom shell, to prevent screw from falling off.

[0004] The utility model discloses a technical scheme: a dimmer switch, including bottom shell, panel and rotating cap, control circuit board is arranged in the bottom shell, rotary ware is electrically connected with control circuit board, rotating cap is installed on the rotating shaft of rotary ware, wiring terminal for connecting wire is arranged in the bottom shell, the wiring terminal includes wiring frame and screw that is screwed on wiring frame, the wiring frame has two ends open wiring hole, the incoming wire port corresponding wiring hole and the operating port corresponding screw are provided on the bottom shell, the screw head has chuck, the outer diameter of the chuck is greater than operating port, and is resisted to the inner side of bottom shell, to limit screw from operating port and fall out of the bottom shell, and when chuck is resisted to the inner side of bottom shell, the tail end of the screw is also screwed with wiring frame.

[0005] By adopting the above technical scheme, when screw is shaken loose outward during vibration of product during transportation, screw chuck is resisted to the inner side of bottom shell, which can effectively prevent screw from falling outwards, and the tail end of screw is also screwed with wiring frame, so that both ends of screw are positioned, avoiding the result that screw falls off and causes product cannot be used.

[0006] The further setting of the utility model discloses: the installation passageway of being provided with the inclination is established in the bottom shell, and the wiring terminal is installed in the installation passageway, the incoming wire port is opened on the bottom surface of bottom shell and is communicated with the inner end of installation passageway, the operating port is opened on the lateral surface of bottom shell and is communicated with the outer end of installation passageway, and the screw head is also in the operating port.

[0007] The further setting is adopted, and the need of screw inclination is driven, and the screw head is also limited to be set in the operating port.

[0008] The further setting of the utility model discloses: the installation plate is buckled to the bottom surface of panel, the bottom shell is also buckled to the installation plate, the gland is also provided on the upper end of bottom shell, and the gland is connected with bottom shell by screw, the rotator is also pressed and arranged through the gland, and the through-hole for the extension of rotating shaft is formed in the center of gland and panel, the rotating shaft has upper shaft, middle shaft and lower shaft, the outer diameter of lower shaft, middle shaft and upper shaft is gradually reduced to form stepped shape, the upper shaft is extended out of panel and is inserted and matched with the shaft sleeve on the screw cap, the recess is formed in the center of gland and is sunken, and the through-hole is formed on the recess chamber bottom, the middle shaft passes through the through-hole of recess, and the recess bottom surface is pressed on the lower shaft, the insert sleeve is arranged on the bottom surface of panel and is located in the periphery of through-hole, and the recess can be inserted downward to the insert sleeve.

[0009] The recess formed by the further setting can be pressed on the lower shaft in the interior of bottom shell and can accommodate the insert sleeve, and the upper shaft is used for being inserted with the shaft sleeve.

[0010] The further setting of the utility model discloses: the shaft sleeve of screw cap has the shaft hole for the insertion of upper shaft, and a circle of internal teeth is arranged on the inner wall of shaft hole.

[0011] The further setting is adopted, and a circle of internal teeth is convenient for increasing the friction with upper shaft, so that the insertion structure of upper shaft is firm.

[0012] The further setting of the utility model discloses: the panel bottom has the recess cavity for accommodating installation plate, the installation plate has main body, the left and right sides of main body have screw through hole, the front and rear ends of main body have the clamping plate extending upwards, and the inner periphery of main body has the clamping ring extending downwards, the clamping ring is sleeved on the outer end of bottom shell and is buckled with the front and rear ends of bottom shell, and the front and rear clamping plates are buckled with panel.

[0013] The further setting is adopted, and the left and right sides of main body have screw through hole, which is convenient for installation connection with the cassette, and the front and rear ends of main body are buckled with panel and bottom shell, so that the deformation of panel and bottom shell installed on the front and rear ends is reduced when the screw is driven and the left and right sides of main body are pulled down.

[0014] The further setting of the utility model discloses: a plurality of vertical heat dissipation strip holes are formed on the outer periphery of bottom shell.

[0015] With the further arrangement, the product passes through the heat dissipation strip hole to dissipate the internal heat, so that the normal use temperature is maintained, the power of the product is normally exerted, and the service life of the product is ensured.

[0016] The further arrangement of the utility model is: the rotator is a potentiometer or an encoder. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure diagram of the embodiment of the utility model;

[0018] Figure 2 It is the internal structure diagram of the embodiment of the utility model;

[0019] Figure 3 It is the explosion drawing of the embodiment of the utility model;

[0020] Figure 4 It is the internal structure diagram of the bottom shell of the embodiment of the utility model;

[0021] Figure 5 It is the structure diagram of the wiring terminal of the embodiment of the utility model;

[0022] Figure 6 It is the structure diagram of the bottom shell of the embodiment of the utility model;

[0023] Figure 7 It is the structure diagram of the rotator of the embodiment of the utility model;

[0024] Figure 8 It is the structure diagram of the gland of the embodiment of the utility model;

[0025] Figure 9 It is the structure diagram of the mounting plate of the embodiment of the utility model;

[0026] Figure 10 It is the structure diagram of the panel of the embodiment of the utility model;

[0027] Figure 11 It is the structure diagram of the cap of the embodiment of the utility model.

[0028] In the diagram: 1. Bottom shell; 2. Panel; 3. Rotary cap; 4. Control circuit board; 5. Rotating shaft; 51. Terminal block; 6. Wiring frame; 61. Screw; 62. Wiring hole; 611. Inlet port; 11. Operating port; 12. Clip; 621. Threaded end; 622. Mounting plate; 7. Pressure cover; 8. Through hole a; 511. Upper shaft; 512. Middle shaft; 514. Lower shaft; 31. Bushing; 81. Recess; 21. Insert sleeve; 311. Shaft hole; 311. Internal tooth; 3111. Cavity; 22. Main body; 71. Screw hole; 711. Clamping plate; 72. Clamping ring; 73. Clamping slot; 721. Clamping block; 23. Buckle hole; 24. Mounting channel; 13. Upper protrusion; 14. Lower protrusion; 15. Groove; 161. Plate; 16. Heat dissipation strip hole; 17. Detailed Implementation

[0029] The technical solutions in this embodiment will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0030] like Figures 1-11 As shown, a dimming switch of this utility model includes a base shell 1, a panel 2, and a rotating cap 3. The base shell 1 contains a control circuit board 4 and a rotator 5 electrically connected to the control circuit board. The rotator 5 is a potentiometer or encoder. The rotating cap 3 is mounted on the rotating shaft 51 of the rotator 5. A terminal block 6 for connecting wires is provided in the base shell 1. The terminal block 6 includes a wiring frame 61 and a screw 62 screwed onto the wiring frame. The screw tightens or loosens the inserted wire. The wiring frame 61 has wiring holes 611 with openings at both ends. The base shell 1 has a wire inlet 11 corresponding to the wiring holes 611 and an operating port 12 corresponding to the screw 62. The head of the screw 62 has a locking head 621. The outer diameter of the locking head 621 is larger than the operating port 12 and abuts against the inner side of the base shell 1 to prevent the screw 62 from dislodging from the operating port 12. When the locking head 621 abuts against the inner side of the base shell 1, the tail end of the screw 62 is also screwed onto the wiring frame 61. An inclined mounting channel 13 is provided in the bottom shell 1, and the wiring terminal 6 is installed in the mounting channel 13. The inlet 11 is opened on the bottom surface of the bottom shell 1 and connects to the inner end of the mounting channel 13. The operating port 12 is opened on the side of the bottom shell 1 and connects to the outer end of the mounting channel 13. The threaded end 622 of the screw 62 can also move in and out of the operating port 12. Multiple vertical heat dissipation slots 17 are opened on the outer periphery of the bottom shell 1.

[0031] The screw is screwed on the terminal block, and then is assembled into the bottom shell 1. When the screw 62 is loosened by vibration during transportation, the screw head 621 is abutted against the inner side of the bottom shell 1, which can effectively prevent the screw 62 from falling off, and the tail end of the screw 62 is still screwed with the terminal block 61, so that the screw 62 is positioned at both ends, avoiding the result that the screw 62 falls off and the product cannot be used.

[0032] Specifically, the mounting plate 7 is buckled on the bottom surface of the panel 2, the bottom shell 1 is also buckled on the mounting plate 7, and the gland 8 is arranged on the upper end of the bottom shell 1, the gland 8 is connected with the bottom shell 1 by screws, the rotator 5 is further pressed by the gland 8, the through hole a is arranged in the center of the gland 8 and the panel 2 for the extension of the rotating shaft 51, the rotating shaft 51 is integrally provided with the upper shaft 511, the middle shaft 512 and the lower shaft 514, the outer diameters of the lower shaft 514, the middle shaft 512 and the upper shaft 511 are gradually reduced to form a stepped shape, the upper shaft 511 extends out of the panel 2 and is inserted into the shaft sleeve 31 of the cap 3, specifically, the shaft sleeve 31 of the cap 3 is provided with the shaft hole 311 for the insertion of the upper shaft 511, the inner wall of the shaft hole 311 is provided with a ring of internal teeth 3111, the recess 81 is formed in the center of the gland 8, the through hole a is arranged on the bottom of the recess 81, the middle shaft 512 passes through the through hole a of the recess 81, and the bottom surface of the recess 81 is abutted against the lower shaft 514, the panel 2 is provided with the insertion sleeve 21 on the bottom surface thereof and located around the through hole, and the recess 81 can be inserted downward by the insertion sleeve 21. The panel 2 is provided with the recess cavity 22 for accommodating the mounting plate 7, the mounting plate 7 is provided with the main body 71, the left and right sides of the main body 71 are provided with screw through holes 711, the front and rear ends of the main body 71 are provided with clamping plates 72 extending upward, and the inner periphery of the main body 71 is provided with clamping rings 73 extending downward, the clamping rings 73 are arranged on the outer ends of the bottom shell 1 and are buckled with the front and rear ends of the bottom shell 1, and the front and rear clamping plates 72 are buckled with the panel 2. The clamping plates 72 are provided with clamping holes 721, the panel 2 is integrally provided with clamping blocks 23 inserted into the clamping holes, the clamping blocks 23 are hooked on the upper end walls of the clamping holes 721 to limit the mounting plate 7 from being separated downward from the panel 2, and the panel 2 is further provided with buckling holes 24 at the middle positions of the outer edges of the front end or the rear end, the front and rear ends of the bottom shell 1 are provided with upper protrusions 14 and lower protrusions 15, the clamping rings 73 are clamped between the upper protrusions 14 and the lower protrusions 15, and the bottom shell 1 is further provided with plate pieces 16 divided by the side slots 161, and the lower protrusions 15 are arranged on the plate pieces 16. The upper protrusions 14 or the lower protrusions 15 are provided with a plurality of protrusions. The buckling holes are convenient for being inserted into and buckled out of the panel, the upper protrusions and the lower protrusions are clamped with the clamping rings, and the plate pieces are convenient for being pressed to deform to abut against the inner side of the clamping rings.

[0033] During installation, the terminal 6, the control circuit board 4 and the rotator 5 are installed in the bottom shell 1, the bottom shell 1 is buckled and installed with the mounting plate 7 and installed in the box, the rotator 5 is pressed by the gland 8, the panel 2 is buckled and installed on the mounting plate 7, the screw cap 3 is inserted on the upper shaft 5111,

[0034] It should be noted that, in the description of the present application, all directional indications (such as up, down, front, back, etc.) are only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.

[0035] In the description of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "coupling", "connecting", "fixing" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

Claims

1. A light-adjusting switch, comprising a bottom shell (1), a faceplate (2) and a rotary cap (3), a control circuit board (4) is arranged in the bottom shell (1), a rotator (5) is electrically connected with the control circuit board, the rotary cap (3) is arranged on a rotating shaft (51) of the rotator (5), a wiring terminal (6) for connecting wires is arranged in the bottom shell (1), the wiring terminal (6) comprises a wiring frame (61) and a screw (62) screwed on the wiring frame, the wiring frame (61) has a wiring hole (611) with two open ends, a wire inlet (11) corresponding to the wiring hole (611) and an operation port (12) corresponding to the screw (62) are arranged on the bottom shell (1), characterized in that: The screw (62) head has a clamping head (621) with an outer diameter larger than the operating port (12) and abutting against the inner side of the bottom shell (1) to limit the screw (62) from escaping out of the bottom shell (1) from the operating port (12), and when the clamping head (621) abuts against the inner side of the bottom shell (1), the tail end of the screw (62) is also screwed with the terminal block (61).

2. The dimmer switch of claim 1, wherein: An inclined installation channel (13) is arranged in the bottom shell (1), the terminal (6) is arranged in the installation channel (13), the inlet port (11) is arranged on the bottom surface of the bottom shell (1) and is communicated with the inner end of the installation channel (13), the operating port (12) is arranged on the side surface of the bottom shell (1) and is communicated with the outer end of the installation channel (13), and the screw head (622) of the screw (62) also moves in and out of the operating port (12).

3. The dimmer switch of claim 1 or 2, wherein: The mounting plate (7) is buckled on the bottom surface of the panel (2), the bottom shell (1) is also buckled on the mounting plate (7), the gland (8) is arranged on the upper end of the bottom shell (1), the gland (8) is connected with the bottom shell (1) by screws, the rotator (5) is also arranged through the gland (8), the through hole (a) is arranged in the center of the gland (8) and the panel (2) for the extension of the rotating shaft (51), the rotating shaft (51) has an upper shaft (511), a middle shaft (512) and a lower shaft (513), the outer diameters of the lower shaft (513), the middle shaft (512) and the upper shaft (511) are gradually reduced to form a stepped shape, the upper shaft (511) extends out of the panel (2) and is inserted and matched with the shaft sleeve (31) on the rotary cap (3), the recess chamber (81) is formed in the center of the gland (8) and is sunken, the through hole (a) is arranged on the chamber bottom of the recess chamber (81), the middle shaft (512) passes through the through hole (a) of the recess chamber (81), and the bottom surface of the recess chamber (81) abuts against the lower shaft (513), the insertion sleeve (21) is arranged on the bottom surface of the panel (2) and is located around the through hole, and the recess chamber (81) can be downwardly inserted with the insertion sleeve (21).

4. The dimmer switch of claim 3, wherein: The shaft sleeve (31) of the rotary cap (3) has a shaft hole (311) for the insertion of the upper shaft (511), and an inner tooth (3111) is arranged on the inner wall of the shaft hole (311).

5. The dimmer switch of claim 3, wherein: The bottom of the panel (2) has a recess cavity (22) for accommodating the mounting plate (7), the mounting plate (7) has a main body (71), screw through holes (711) are arranged on the left and right sides of the main body (71), the front and rear end outer edges of the main body (71) have upwardly extending clamping plates (72), and the inner periphery of the main body (71) has a downwardly extending clamping ring (73), the clamping ring (73) is arranged on the outer end of the bottom shell (1) and is buckled with the front and rear ends of the bottom shell (1), and the front and rear clamping plates (72) are buckled with the panel (2).

6. The dimmer switch of claim 1 or 2, wherein: A plurality of vertical heat dissipation strip holes (17) are arranged on each side surface of the bottom shell (1).

7. The dimmer switch of claim 1 or 2, wherein: The rotator (5) is a potentiometer or an encoder.

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