CN217329725U

CN217329725U - Hand-held light modulator

Info

Publication number: CN217329725U
Application number: CN202221297318.7U
Authority: CN
Inventors: 贺忠孝
Original assignee: Dongguan Yourun Photoelectric Technology Co ltd
Current assignee: Dongguan Yourun Photoelectric Technology Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-08-30
Anticipated expiration: 2032-05-26

Abstract

A handheld dimmer comprising: the dimming device comprises a sleeve, a main body, a transmission gear, a dimming gear, a circuit board and an elastic stopper, wherein an annular rack is arranged on the inner surface of the side wall of the sleeve, the circuit board is provided with a rotary dimming element and is positioned in the main body, the dimming gear and a rotating shaft of the rotary dimming element are fixed, the transmission gear is rotatably arranged on the side wall of the main body, the annular rack and the dimming gear are meshed with the transmission gear, the stopper is arranged on the outer surface of the side wall of the main body, and the stopper is meshed with the annular rack. Above-mentioned hand-held light modulator can install on the lamp pole of lamps and lanterns, and the staff can directly hold the sleeve and rotate, and the easy operation of adjusting luminance to the sleeve can produce the gear sound when similar winding up a spring when rotatory, the rotatory angle of suggestion user sleeve.

Description

Hand-held light modulator

Technical Field

The utility model relates to a light modulator especially relates to a hand-held light modulator.

Background

The dimmer is applicable to a component for adjusting the brightness of the light of the lamp, and can be divided into a remote dimmer and an integrated dimmer according to the using distance, the remote dimmer includes a wired remote control and a wireless remote control, and the integrated dimmer includes a knob type, a button type, a hand-held type and the like.

The hand-held light modulator can form the integral structure with lamps and lanterns, does not occupy unnecessary space, by the wide application on floor lamp and desk lamp (can refer to chinese utility model patent CN206723940U and disclose luminance adjustable desk lamp to and chinese utility model CN212776955U discloses an adjustable bedside desk lamp).

However, the dimmer is arranged on the lampshade, the size of the lampshade is usually large, the lampshade is not easy to hold by hands, and the situation of inconvenient adjustment can be caused. In addition, the dimmer does not adjust the brightness based on the user indication, and since many lamps are reset in brightness, the user needs to repeatedly adjust the brightness each time to make the lamps reach the required brightness.

SUMMERY OF THE UTILITY MODEL

The utility model discloses technical scheme is to above-mentioned condition, and in order to solve above-mentioned problem and provide a hand-held light modulator, hand-held light modulator includes: the light-adjusting device comprises a sleeve, a main body, a transmission gear, a light-adjusting gear, a circuit board and an elastic stopper, wherein an annular rack is arranged on the inner surface of the side wall of the sleeve, the circuit board is provided with a rotary light-adjusting element, the circuit board is positioned inside the main body, the light-adjusting gear and a rotating shaft of the rotary light-adjusting element are fixed, the transmission gear is rotatably arranged on the side wall of the main body, the annular rack and the light-adjusting gear are meshed with the transmission gear, the stopper is arranged on the outer surface of the side wall of the main body, and the stopper is meshed with the annular rack.

Further, the handheld dimmer further comprises: the bearing, the sleeve has the bearing groove, the outer lane of bearing and the contact of bearing groove, the inner circle and the main part contact of bearing.

Further, both the top wall and the bottom wall of the main body have wire holes.

Further, the body includes: the front shell and the rear shell form a fixed shell, the top cover covers the upper end of the shell, and the bottom cover covers the lower end of the shell.

Further, the outer surface of the front shell side wall has a receiving groove, and the stopper is disposed in the receiving groove.

Further, the stopper has a ramp, two elastic arms and two claws, one elastic arm being disposed between the ramp and one claw, the other elastic arm being disposed between the ramp and the other claw; the side surface of the accommodating groove is an arc-shaped surface protruding outwards, the two claw parts are in contact with the side surface of the accommodating groove, and a gap exists between the two elastic arms and the side surface of the accommodating groove.

Further, the side wall of the rear shell is provided with a transmission hole, and the transmission gear can be selectively arranged in the transmission hole.

Further, the inner surface of the side wall of the front shell is provided with a plug pin, the inner surface of the side wall of the rear shell is provided with a plug pin cylinder, the circuit board is provided with a positioning hole, and the plug pin penetrates through the positioning hole and then is inserted into the plug pin cylinder.

After the technical scheme is adopted, the beneficial effects of the utility model are that:

1. the handheld dimmer can be installed on a lamp post of a lamp, occupied space is small, hands can directly hold the sleeve to rotate, and dimming operation is simple.

2. When the sleeve rotates, the blocking piece cannot rotate along with the sleeve, so that gear sound similar to that generated during winding can be generated between the blocking piece and the annular rack, and the rotating angle of the sleeve is prompted to a user according to the number of times of sound, so that the user can adjust the required brightness more easily after the brightness is reset.

Drawings

Fig. 1 is a schematic view of a handheld dimmer according to the present invention;

fig. 2 is a schematic view of a main body according to the present invention;

fig. 3 is an internal view of a main body according to the present invention;

fig. 4 is a schematic view of a sleeve according to the present invention;

fig. 5 is a schematic view of a front housing according to the present invention;

fig. 6 is a schematic view of a stopper according to the present invention;

fig. 7 is a schematic view of a rear case according to the present invention.

Detailed Description

It is specifically noted that, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise; the meaning of "several" is at least one. All directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture, and if the specific posture is changed, the directional indicator is changed accordingly.

The technical solution of the present invention is further described below by way of examples:

the utility model provides a hand-held light modulator combines figure 1 ~ 4 to show, and this hand-held light modulator includes: the dimming device comprises a sleeve 1, a main body 2, a transmission gear 3, a dimming gear 4, a circuit board 5 and a stopper 6 with elasticity, wherein an annular rack 11 is arranged on the inner surface of the side wall of the sleeve 1, the circuit board 5 is provided with a rotary dimming element 51, the circuit board 5 is positioned in the main body 2, the dimming gear 4 is fixed with a rotating shaft of the rotary dimming element 51, the transmission gear 3 is rotatably arranged on the side wall of the main body 2, the annular rack 11 and the dimming gear 4 are both meshed with the transmission gear 3, the stopper 6 is arranged on the outer surface of the side wall of the main body 2, and the stopper 6 is meshed with the annular rack 11.

When dimming is needed, the rotating sleeve 1 drives the rotating shaft of the rotating dimming element 51 to rotate through the transmission gear 3 and the dimming gear 4, and after the hall sensor in the rotating dimming element 51 senses the change of the magnetic field, a dimming signal is output to adjust the brightness of the lamp. Different from the prior art:

Specifically, the diameter of the sleeve 1 is 30-50 mm. This dimension is advantageous for gripping by a human hand.

Specifically, the rotary dimming element 51 is a dimming encoder or a dimming potentiometer. In the present embodiment, the rotary dimming element 51 is a dimming encoder.

Specifically, the handheld dimmer further comprises: the bearing 7, the sleeve 1 has a bearing groove 12, the outer ring of the bearing 7 contacts with the bearing groove 12, and the inner ring of the bearing 7 contacts with the main body 2. The rotation of the sleeve 1 can be made smoother by the provision of the bearing 7.

Specifically, both the top wall and the bottom wall of the main body 2 have line holes. The wires of the circuit board 5 can pass through the outside of the main body 2 through the wire holes.

Specifically, the main body 2 includes: the front shell 21 and the rear shell 22 form a fixed shell, the top cover 23 covers the upper end of the shell, and the bottom cover 24 covers the lower end of the shell.

More specifically, the upper and lower ends of the side walls of the housing are provided with external threads, the side walls of the top cover 23 and the side walls of the bottom cover 24 are provided with internal threads, the external threads of the upper end of the housing are engaged with the internal threads of the top cover 23, and the external threads of the lower end of the housing are engaged with the internal threads of the bottom cover 24.

More specifically, as shown in fig. 5, the outer surface of the side wall of the front case 21 has a receiving groove 211, and the stopper 6 is disposed in the receiving groove 211. The stopper 6 is disposed in the receiving groove 211 to save the external space of the handheld dimmer.

More specifically, as shown in fig. 6, the stopper 6 has a sloping table 61, two elastic arms 62, and two claw portions 63, one elastic arm 62 being disposed between the sloping table 61 and one claw portion 63, the other elastic arm 62 being disposed between the sloping table 61 and the other claw portion 63; the side surface of the receiving groove 211 is an arc-shaped surface that protrudes outward, both the claw portions 63 are in contact with the side surface of the receiving groove 211, and a gap exists between both the elastic arms 62 and the side surface of the receiving groove 211. Since the side surfaces of the receiving groove 211 are convex outward, the two claw portions 63 tend to move toward the center, urging the ramp 61 to move outward, so that the ramp 61 is brought into close contact with the annular rack 11; when the ring-shaped rack 11 rotates and the crests of the teeth thereof contact the ramp 61, pressing the ramp 61 inward, the ramp 61 can be provided with a space to move inward due to the clearance between the two resilient arms 62 and the side surfaces of the receiving groove 211.

More specifically, as shown in fig. 7, the rear case 22 has a driving hole 221 on a side wall thereof, and the driving gear 3 is selectively disposed in the driving hole 221. A part of the transmission gear 3 is positioned outside the rear shell 22 and meshed with the annular rack 11; the other part is externally engaged with the inside of the rear case 22 and is engaged with the dimming gear 4.

More specifically, as shown in fig. 3, 6 and 7, the inner surface of the side wall of the front case 21 has a latch 212, the inner surface of the side wall of the rear case 22 has a latch cylinder 222, the circuit board 5 has a positioning hole 52, and the latch 212 is inserted into the latch cylinder 222 after passing through the positioning hole 52. The front shell 21 and the rear shell 22 can be fixed through the matching of the bolt 212 and the bolt cylinder 222; the positioning of the circuit board 5 is achieved by the cooperation of the pins 212 with the positioning holes 52.

The above-mentioned embodiments are merely preferred examples of the present invention, and do not limit the scope of the present invention, so all equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.

Claims

1. A hand-held dimmer is characterized in that: the handheld dimmer comprises: the light-adjusting device comprises a sleeve, a main body, a transmission gear, a light-adjusting gear, a circuit board and an elastic stopper, wherein an annular rack is arranged on the inner surface of the side wall of the sleeve, the circuit board is provided with a rotary light-adjusting element, the circuit board is positioned inside the main body, the light-adjusting gear and a rotating shaft of the rotary light-adjusting element are fixed, the transmission gear is rotatably arranged on the side wall of the main body, the annular rack and the light-adjusting gear are meshed with the transmission gear, the stopper is arranged on the outer surface of the side wall of the main body, and the stopper is meshed with the annular rack.

2. The handheld dimmer of claim 1, wherein: the handheld dimmer further comprises: the bearing, the sleeve has the bearing groove, the outer lane of bearing and the contact of bearing groove, the inner circle and the main part contact of bearing.

3. The handheld dimmer of claim 1, wherein: both the top and bottom walls of the body have wire holes.

4. The handheld dimmer of claim 1, wherein: the main body includes: the front shell and the rear shell form a fixed shell, the top cover covers the upper end of the shell, and the bottom cover covers the lower end of the shell.

5. The handheld dimmer of claim 4, wherein: the outer surface of the side wall of the front shell is provided with a containing groove, and the blocking piece is arranged in the containing groove.

6. The handheld dimmer of claim 5, wherein: the blocking piece is provided with an inclined table, two elastic arms and two claw parts, wherein one elastic arm is arranged between the inclined table and one claw part, and the other elastic arm is arranged between the inclined table and the other claw part; the side surface of the accommodating groove is an arc-shaped surface protruding outwards, the two claw parts are in contact with the side surface of the accommodating groove, and a gap exists between the two elastic arms and the side surface of the accommodating groove.

7. The handheld dimmer of claim 4, wherein: the side wall of the rear shell is provided with a transmission hole, and the transmission gear is selectively arranged in the transmission hole.

8. The handheld dimmer of claim 4, wherein: the inner surface of the side wall of the front shell is provided with a bolt, the inner surface of the side wall of the rear shell is provided with a bolt cylinder, the circuit board is provided with a positioning hole, and the bolt penetrates through the positioning hole and then is inserted into the bolt cylinder.