CN213126329U - A roll up curtain mechanism for on stereo set - Google Patents

Abstract

The utility model discloses a roll up curtain mechanism for on stereo set, the power distribution box comprises a box body, two rolling stands are installed to the symmetry on the box, two it has the pivot to rotate to place between the rolling stand, the fixed wind-up roll that has cup jointed in middle part of pivot, the wind-up roll has cup jointed outward and has hidden the rain curtain, hide the bottom of rain curtain and install the crossbeam, both ends symmetry is fixed with two driven bevel gear about the pivot, the top symmetry of box install with two driven bevel gear assorted actuating mechanism, just two pressure setting mechanisms are installed to the front side symmetry of box, actuating mechanism is including installing the servo motor on box top outer wall, servo motor's output rigid coupling has initiative bevel gear, initiative bevel gear is connected with the driven bevel gear meshing. The utility model discloses can realize the rolling to hiding the rain curtain, through hiding the rain curtain and can avoid the damage of intaking of box in the at utmost in sheltering from of box front side, prolong the life of box greatly.

Description

A roll up curtain mechanism for on stereo set

Technical Field

The utility model relates to a stereo set technical field especially relates to a roll up curtain mechanism for on stereo set.

Background

Sound is a simplified daily word, which is the abbreviation of sound system. I.e. a whole set of devices capable of reproducing and playing audio signals. With the progress of society, people are more colorful in life. The singing and dancing as an entertainment form for thousands of years goes deep into the life of people of all groups. However, with the development and progress of science and technology, people have more and more requirements and higher requirements on the performance form and the field of singing and dancing. Sound systems are continuously improved and perfected in response to the needs of people. The method is large enough to meet the field sound reinforcement requirement of tens of thousands of people in singing meetings and small enough to meet the requirements of playing musical instruments and K songs by individual families. The sound box is exposed outside for a long time and is easy to be damaged by water, the service life of the sound box is invisibly reduced, the expense of maintenance is greatly increased, and great limitation exists.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: the stereo set exposes outside for a long time and very easily intakes the damage, has virtually reduced the life of stereo set, greatly increased the expense of maintenance, has very big limitation, and then the roll up curtain mechanism that is used for on the stereo set that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a roll up curtain mechanism for on stereo set, the power distribution box comprises a box body, two rotating turret, two are installed to the symmetry on the box rotate to insert between the rotating turret and have the pivot, the fixed wind-up roll that has cup jointed in middle part of pivot, the wind-up roll has cup jointed outward and has sheltered from the rain curtain, shelter from the bottom of rain curtain and install the crossbeam, both ends symmetry is fixed with two driven bevel gear about the pivot, the top symmetry of box install with two driven bevel gear assorted actuating mechanism, just two pressure fixed establishment are installed to the front side symmetry of box.

Preferably, the driving mechanism comprises a servo motor arranged on the outer wall of the top of the box body, the output end of the servo motor is fixedly connected with a driving bevel gear, and the driving bevel gear is meshed with a driven bevel gear.

Preferably, two limit blocks are symmetrically fixed on the box body.

Preferably, the pressing mechanism comprises a pin shaft which is inserted into the box body in a rotating mode, the front end of the pin shaft is fixedly sleeved with the movable support frame and the gear, and the box body is provided with an elastic driving mechanism matched with the gear.

Preferably, the elastic driving mechanism comprises a fixed seat fixed on the front side of the box body, a telescopic rod is installed on the fixed seat, one end of the telescopic rod, far away from the fixed seat, is fixedly connected with a rack rod vertically arranged, and the rack rod is connected with a gear in a meshed mode.

Preferably, the telescopic link overcoat is equipped with the spring, the upper end of spring is fixed mutually with the tip of rack bar, the lower extreme of spring is fixed mutually with the top of fixing base.

The utility model has the advantages that: 1. the rolling of the rain shielding curtain can be realized, the damage of water inlet of the box body can be avoided to the greatest extent through the shielding of the rain shielding curtain on the front side of the box body, and the service life of the box body is greatly prolonged;

2. the laid-down rain-shielding curtain can be limited by pressing the two movable support frames against the cross beam, so that the laid-down rain-shielding curtain is tightly attached to the front side of the box body, and the shielding effect of the rain-shielding curtain on the box body is further improved.

Drawings

Fig. 1 is a schematic structural diagram of a roller shutter mechanism for a sound box according to the present invention;

fig. 2 is an enlarged view of the middle pressure fixing mechanism of the present invention.

In the figure: the device comprises a box body 1, a servo motor 2, a driving bevel gear 3, a rotating frame 4, a rotating shaft 5, a driven bevel gear 6, a winding roller 7, a rain shielding curtain 8, a limiting block 9, a beam 10, a movable support 11, a gear 12, a rack bar 13, a fixed seat 14, a telescopic rod 15 and a spring 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a roller shutter mechanism for a sound box comprises a box body 1, wherein two rotating frames 4 are symmetrically installed on the box body 1, a rotating shaft 5 is rotatably inserted between the two rotating frames 4, a winding roller 7 is fixedly sleeved in the middle of the rotating shaft 5, a rain shielding curtain 8 is wound outside the winding roller 7, a cross beam 10 is installed at the bottom of the rain shielding curtain 8, two driven bevel gears 6 are symmetrically fixed at the left end and the right end of the rotating shaft 5, driving mechanisms matched with the two driven bevel gears 6 are symmetrically installed at the top of the box body 1, each driving mechanism comprises a servo motor 2 installed on the outer wall of the top of the box body 1, an output end of the servo motor 2 is fixedly connected with a driving bevel gear 3, the driving bevel gear 3 is meshed with the driven bevel gears 6, two pressing mechanisms are symmetrically installed at the front side of the box body 1, and two;

press fixed establishment to insert the round pin axle on box 1 including rotating, the front end of round pin axle is fixed to be cup jointed the activity and is supported frame 11 and gear 12, install on the box 1 with gear 12 assorted elasticity drive mechanism, elasticity drive mechanism is including fixing the fixing base 14 at the 1 front side of box, install telescopic link 15 on the fixing base 14, the one end rigid coupling that fixing base 14 was kept away from to telescopic link 15 has rack bar 13 of vertical setting, rack bar 13 is connected with gear 12 meshing, the 15 overcoat of telescopic link is equipped with spring 16, spring 16's upper end is fixed mutually with rack bar 13's tip, spring 16's lower extreme is fixed mutually with fixing base 14's top.

The utility model provides an in the curtain mechanism that rolls up for on stereo set, drive the rotation of initiative bevel gear 3 through servo motor 2, initiative bevel gear 3 rotates and drives driven bevel gear 6 and rotate and can realize the area of countershaft 5 outer wind-up roll 7 and change, just so can realize the rolling to rain-proof curtain 8, through the sheltering from of rain-proof curtain 8 in the front side of box 1 can avoid the damage of intaking of box 1 to the at utmost, prolong the life of box 1 greatly; furthermore, the rain-proof curtain 8 that puts down supports the pressure of frame 11 to crossbeam 10 through two activities and supports the restriction that can realize the rain-proof curtain 8 to the expansion, makes it hug closely the setting of box 1 front side, further improves the effect of shielding of rain-proof curtain 8 to box 1, and is practical reliable.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a roll up curtain mechanism for on stereo set, includes box (1), its characterized in that, two rotating turret (4) are installed to the symmetry on box (1), two rotate between rotating turret (4) and have inserted pivot (5), wind-up roll (7) have been fixed to have cup jointed in the middle part of pivot (5), wind-up roll (7) are rolled up outward and have been connect and hide rain curtain (8), hide the bottom of rain curtain (8) and install crossbeam (10), both ends symmetry is fixed with two driven bevel gear (6) about pivot (5), the top symmetry of box (1) install with two driven bevel gear (6) assorted actuating mechanism, just two pressure fixed establishment wares are installed to the front side symmetry of box (1).

2. The roller shutter mechanism for the audio equipment according to claim 1, wherein the driving mechanism comprises a servo motor (2) installed on the outer wall of the top of the box body (1), the output end of the servo motor (2) is fixedly connected with a driving bevel gear (3), and the driving bevel gear (3) is in meshed connection with a driven bevel gear (6).

3. A roller shutter mechanism for audio equipment according to claim 1, wherein two stoppers (9) are symmetrically fixed on the case (1).

4. The roller shutter mechanism for the sound box according to claim 1, wherein the pressing mechanism comprises a pin shaft which is rotatably inserted in the box body (1), a movable support frame (11) and a gear (12) are fixedly sleeved at the front end of the pin shaft, and an elastic driving mechanism matched with the gear (12) is installed on the box body (1).

5. The roller shutter mechanism for the sound box is characterized in that the elastic driving mechanism comprises a fixed seat (14) fixed on the front side of the box body (1), a telescopic rod (15) is installed on the fixed seat (14), one end, far away from the fixed seat (14), of the telescopic rod (15) is fixedly connected with a vertically arranged rack rod (13), and the rack rod (13) is meshed with the gear (12) and is connected with the gear.

6. A roller shutter mechanism for audio equipment according to claim 5, wherein the telescopic rod (15) is externally sleeved with a spring (16), the upper end of the spring (16) is fixed with the end of the rack bar (13), and the lower end of the spring (16) is fixed with the top of the fixed base (14).

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