CN211831065U - Small plastic casing double-direction wall hanging device for stereo sound reproduction of film projection - Google Patents
Small plastic casing double-direction wall hanging device for stereo sound reproduction of film projection Download PDFInfo
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- CN211831065U CN211831065U CN202020301789.5U CN202020301789U CN211831065U CN 211831065 U CN211831065 U CN 211831065U CN 202020301789 U CN202020301789 U CN 202020301789U CN 211831065 U CN211831065 U CN 211831065U
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- vertical plate
- arc
- mounting surface
- shaped groove
- bolt
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Abstract
The utility model discloses a film projection stereo sound reproduction small plastic shell double-direction wall hanging device, which comprises a wall side mounting piece, a box side mounting piece and a transition piece used for connecting the wall side mounting piece and the box side mounting piece; the wall side mounting piece comprises a bottom plate I and a vertical plate I, the bottom plate I is mounted on a wall surface, the vertical plate I is fixedly connected with the bottom plate I, and the plane of the vertical plate I is perpendicular to the ground; the box side mounting piece comprises a bottom plate II and a vertical plate II, the bottom plate II is detachably connected with the surrounding sound box, and the vertical plate II is fixedly connected with the bottom plate II; the transition piece is of a folded plate structure and comprises a mounting surface I and a mounting surface II which are perpendicular to each other; the mounting surface I is connected with the vertical plate I, and the mounting surface I rotates along the pitching direction relative to the vertical plate I to realize the regulation of the pitching angle; the mounting surface II is connected with the vertical plate II, and the vertical plate II rotates along the left-right direction relative to the mounting surface II to realize the left-right direction adjustment. The utility model discloses sound construction is reliable, connects simple and direct convenience, and application effect and prospect are good.
Description
Technical Field
The utility model relates to a cinema's sound equipment configuration device especially relates to a film projection stereo sound is returned small-size shell bitonic to hanging device.
Background
With the rapid development of the film technology at home and abroad, 3D films are increasingly put into the market, and the film stereo sound reproduction technology also spans the initial 5.1 sound channel and 7.1 sound channel and expands towards multi-azimuth and three-dimensional directions. The film industry at home and abroad has many companies to successively launch a new generation of three-dimensional space-based sound format, and the current film market is popular with panoramic sound, ambient sound, Chinese multidimensional sound … and the like. In order to make the audience feel vivid and personally-on-the-scene sound and image effects when sitting in a movie theater movie room, the new generation of movie stereo sound reproduction technology provides corresponding technical specifications for sound reproduction equipment configuration, wherein the sound reproduction equipment configuration comprises the hanging quantity, the hanging point position, the hanging height and the hanging directivity of a surround sound speaker of the movie theater, and strict requirements are met.
The construction of the cinema is a complex system project, and all the constructed movie halls have the same size, length, width and height. Under the constraint of a certain space-time condition, the situation that a plurality of point-position (8-18) surround sound speakers are configured and hung is often a headache. Whether in the process of decoration in a photo hall or after finishing decoration, the work is generally operated by only one person independently due to condition limitation. The loudspeaker box is hung at a height of 3-8 m, after the pitch angle and the left and right directions (namely directivity) are preliminarily adjusted, the loudspeaker box is further matched with sound returning debugging to carry out secondary and tertiary fine adjustment of the azimuth, so that the technical specification requirement is met.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to solve the problem that exists among the prior art, the utility model aims at providing a it encircles to mould the small-size shell bitonic hanging device to be applicable to certain kind of the plastic shell audio amplifier of moulding in stereo sound equipment of cinema and encircle as the movie theatre lateral part and mould the miniature plastic shell of the stereo sound of film projection that the location that the rear portion encircleed arranges to realize accurate, repeated positioning, make things convenient for the aerial work, improve the construction security.
The technical scheme is as follows: a film projection stereo sound reproduction small plastic shell double-direction wall hanging device comprises a wall side mounting piece, a box side mounting piece and a transition piece for connecting the wall side mounting piece and the box side mounting piece; the wall side mounting piece comprises a bottom plate I and a vertical plate I, the bottom plate I is mounted on a wall surface, the vertical plate I is fixedly connected with the bottom plate I, and the plane of the vertical plate I is perpendicular to the ground; the box side mounting piece comprises a bottom plate II and a vertical plate II, the bottom plate II is detachably connected with the surrounding sound box, and the vertical plate II is fixedly connected with the bottom plate II; the transition piece is preferably of a hem plate structure and comprises a mounting surface I and a mounting surface II which are perpendicular to each other; the mounting surface I is connected with the vertical plate I, and the mounting surface I rotates along the pitching direction relative to the vertical plate I to realize the regulation of the pitching angle; the mounting surface II is connected with the vertical plate II, and the vertical plate II rotates along the left-right direction relative to the mounting surface II to realize the left-right direction adjustment.
Furthermore, a first bolt mounting hole is formed in the position of a rotating connection point of the mounting surface I and the vertical plate I, and the mounting surface I and the vertical plate I are connected through a fastener bolt pair. And a second bolt mounting hole is formed in the position of a rotating connecting point of the mounting surface II and the vertical plate II, and the vertical plate II is connected with the mounting surface II through a fastener bolt pair. Preferably, the bolt and the nut of the fastener bolt pair are fixed by spot welding when being prefabricated in a factory.
Furthermore, still be equipped with first arc wall on the vertical plate I, the centre of a circle that the circular arc of this first arc wall corresponds overlaps with first bolt mounting hole, and the position department corresponding with first arc wall on installation face I has seted up first arc wall bolt hole for the relative rotation of fixed wall side installed part and transition piece. And a second arc-shaped groove is also arranged on the vertical plate II, the circle center corresponding to the arc of the second arc-shaped groove is overlapped with the second bolt mounting hole, and a second arc-shaped groove bolt hole is formed in the position, corresponding to the second arc-shaped groove, on the mounting surface II and used for fixing the relative rotation of the box side mounting part and the transition part. The number of bolt holes is preferably two.
Furthermore, the groove edges of the first arc-shaped groove and the second arc-shaped groove are provided with angle marks.
A plurality of holes are formed in the bottom plate I of the wall side mounting piece and are fixed with the side wall through self-tapping or expansion screws; and a plurality of holes are formed in the bottom plate II and are fixed with the surrounding sound box through self-tapping or expansion screws.
Has the advantages that: the utility model discloses follow strictly at present to the requirement principle and the purpose of encircleing audio amplifier linkage and carry out the manufacturing design, compare with prior art, have following advantage:
1) the side wall is hung around the wall, the device is firmly and reliably fixed between the side wall and the sound box, and the connection is simple and convenient;
2) possess the audio amplifier dual steering function: the pitch angle and the left-right direction are adjustable, even if the sound box has directivity in any direction;
3) considering that the installation of the surrounding sound box is in the working condition of high-altitude operation, and the subsequent secondary and tertiary fine adjustment needs are required when an instrument is adopted to carry out sound field debugging after the sound box is suspended and fixed for the first time, the requirements are generally independently finished on the herringbone ladder by an operator, the design of the device avoids the condition that the operator does not support two hands to operate to the maximum extent, the possibility of losing the center of gravity is reduced, and the safety of the high-altitude operation is considered;
4) the film stereo sound reproduction equipment has a position memory function due to the symmetry characteristic of the arrangement of surrounding sound boxes and the requirement of sound box maintenance, disassembly and re-restoration;
5) in terms of the construction of the device and the materials used: the selected material is light and thin, but has enough strength and rigidity; the components are prefabricated by factories to the maximum extent, must be prepared on site, and are made of universal, common and easily-purchased materials in urban and rural building material shops.
Drawings
FIG. 1 is an assembled front side view of a dual-orientation wall hanging device;
fig. 2 is an assembled top view of the dual-orientation wall hanging device.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the following embodiments and accompanying drawings.
As shown in fig. 1 and 2, the wall side mounting member 84.01 is fixed on the wall surface through a bottom plate I1, in this embodiment, a bottom plate I1 is provided with 4 holes with diameter of 7mm, and is fixed with the side wall through self-tapping (or expansion) screws; the vertical plate I2 and the bottom plate I1 are fixed or integrally formed, the plane of the vertical plate I2 is vertical to the ground, the vertical plate I2 is provided with a phi 9 first bolt mounting hole 3 and a first arc-shaped groove 4, and angle marks are carved along the edges of the groove.
The box side mounting piece 84.02 is connected with a surrounding sound box through a bottom plate II5, in the embodiment, 4 phi 7mm holes are formed in the bottom plate II5 and are fixed with the rear part of the 4284 type plastic shell sound box through self-tapping (or expansion) screws; the vertical plate II 6 and the bottom plate II5 are fixed or integrally formed, a second bolt mounting hole 7 with a diameter of 9 and a second arc-shaped groove 8 are arranged on the vertical plate II 6, and angle marks are carved along the groove edges.
Transition piece 84.03 is of a two-sided folded plate construction of minimal and minimal dimensions, including mounting face I9 and mounting face II10, each having 3 holes of 9mm diameter. When the transition piece 84.03 is connected with the wall side mounting piece 84.01 in an installing mode, the M8 bolt penetrates through a first bolt mounting hole 3 with the diameter of 9mm on the wall side mounting piece 84.01, the transition piece 84.03 takes the first bolt mounting hole 3 as an axis and rotates relative to the wall side mounting piece 84.01 in the pitching direction, the other 2M 8 bolts on the mounting surface I slide along the first arc-shaped groove 4, and when the pitch position is adjusted to the ideal pitch position, the 3M 8 bolts and nuts are fastened to complete the adjustment of the pitch angle of the sound box. When the transition piece 84.03 is connected with the box side mounting piece 84.02, the M8 bolt passes through the second bolt mounting hole 7 with the diameter of 9mm on the box side mounting piece, the box side mounting piece 84.02 rotates in the left-right direction relative to the transition piece 84.03 by taking the second bolt mounting hole 7 as an axis, the other 2M 8 bolts on the mounting surface II slide along the second arc-shaped groove 8, and when the position is adjusted to an ideal left-right position, 3M 8 bolts and nuts are fastened to finish the left-right adjustment of the sound box.
It should be noted that, on the vertical plate II shown in fig. 1, there are two sets of left and right bolt pair structures, the left side is a bolt pair corresponding to the second arc-shaped groove, and the right side is a bolt pair corresponding to the second bolt mounting hole, and it is assumed in the figure that two holes (bolt pairs) corresponding to the second arc-shaped groove are overlapped in the placement direction perpendicular to the paper surface, so the figure is simplified to one bolt structure. In the same way as in fig. 2, the vertical plate I is also provided with two left and right bolt pair structures, the left side is a bolt pair corresponding to the first bolt mounting hole, the right side is a bolt pair corresponding to the first arc-shaped groove, and the two holes (bolt pairs) corresponding to the first arc-shaped groove are overlapped in the placing direction perpendicular to the paper surface by default in the drawing, so that only one bolt structure is presented.
The utility model discloses an increase a transition link between being used for fixed to the wall "wall side installed part" and the "case side installed part" of connecting the audio amplifier, set up two rotatable "joints" in the device through this transition link, two rotating-structure realize the angle of pitch, the regulation of left and right sides respectively at two dimensions to set up the position scale mark in adjustable range, memory certain audio amplifier in the movie room confirms the position in two positions, so that implement the symmetrical arrangement of audio amplifier at the movie room opposite side.
Furthermore, in order to make the primary suspension simple, convenient and quick, structurally, one of the fastener bolt pairs is welded and fixed well when being prefabricated in a factory, the bolt or the cap only needs to be screwed by a single hand on the spot, and the other hand can grasp a firm object beside the body to avoid losing the center of gravity.
The utility model discloses the device follows principle and purpose above and carries out the design and manufacturing, is suitable for certain type of winding audio amplifier (4284 type, 12kg) that various photo rooms chooseed for use, through the practicality of about 1000 various photo rooms, proves that the device has realized the design philosophy, has reached each item functional target, has satisfied the actual requirement, has gained good application effect.
Claims (10)
1. The utility model provides a film projection stereo sound reproduction small-size mould shell two tunning to hanging device which characterized in that: the wall side installation piece and the box side installation piece are arranged on the box side;
the wall side mounting piece comprises a bottom plate I and a vertical plate I, the bottom plate I is mounted on a wall surface, the vertical plate I is fixedly connected with the bottom plate I, and the plane of the vertical plate I is perpendicular to the ground;
the box side mounting piece comprises a bottom plate II and a vertical plate II, the bottom plate II is detachably connected with the surrounding sound box, and the vertical plate II is fixedly connected with the bottom plate II;
the transition piece comprises a mounting surface I and a mounting surface II which are perpendicular to each other; the mounting surface I is connected with the vertical plate I, and the mounting surface I rotates along the pitching direction relative to the vertical plate I to realize the regulation of the pitching angle; the mounting surface II is connected with the vertical plate II, and the vertical plate II rotates along the left-right direction relative to the mounting surface II to realize the left-right direction adjustment.
2. The small plastic case double direction wall hanging device for film projection stereo sound reproduction according to claim 1, wherein: a first bolt mounting hole is formed in the position of a rotating connection point of the mounting surface I and the vertical plate I, and the mounting surface I and the vertical plate I are connected through a fastener bolt pair.
3. The small plastic case double direction wall hanging device for film projection stereo sound reproduction according to claim 1, wherein: and a second bolt mounting hole is formed in the position of a rotating connecting point of the mounting surface II and the vertical plate II, and the vertical plate II is connected with the mounting surface II through a fastener bolt pair.
4. The small plastic case double direction wall hanging device for film projection stereo sound reproduction according to claim 2, characterized in that: the vertical plate I is further provided with a first arc-shaped groove, the circle center corresponding to the arc of the first arc-shaped groove is overlapped with the first bolt mounting hole, a first arc-shaped groove bolt hole is formed in the position, corresponding to the first arc-shaped groove, on the mounting surface I, a fastener bolt pair penetrates through the first arc-shaped groove and the first arc-shaped groove bolt hole, and the wall side mounting part and the transition part are fixed to rotate relatively.
5. The small plastic case double direction wall hanging device for film projection stereo sound reproduction according to claim 3, wherein: the vertical plate II is also provided with a second arc-shaped groove, the circle center corresponding to the arc of the second arc-shaped groove is overlapped with the second bolt mounting hole, a second arc-shaped groove bolt hole is formed in the position, corresponding to the second arc-shaped groove, on the mounting surface II, the fastener bolt pair penetrates through the second arc-shaped groove and the second arc-shaped groove bolt hole, and the mounting part on the side of the fixing box and the transition part rotate relatively.
6. The small plastic case double direction wall hanging device for film projection stereo sound reproduction according to claim 4, wherein: an angle mark is carved on the groove edge of the first arc-shaped groove.
7. The small plastic case double direction wall hanging device for film projection stereo sound reproduction according to claim 5, wherein: and angle marks are carved on the groove edges of the second arc-shaped grooves.
8. The small plastic case double-direction wall hanging device for film projection stereo sound reproduction according to claim 4 or 5, wherein: the number of the bolt holes is two.
9. The small plastic case double-direction wall hanging device for film projection stereo sound reproduction according to any one of claims 2-5, wherein: and one of the bolt and the nut of the fastener bolt pair is fixed by spot welding when prefabricated in a factory.
10. The small plastic case double direction wall hanging device for film projection stereo sound reproduction according to claim 1, wherein: the transition piece is of a hem plate structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020301789.5U CN211831065U (en) | 2020-03-12 | 2020-03-12 | Small plastic casing double-direction wall hanging device for stereo sound reproduction of film projection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020301789.5U CN211831065U (en) | 2020-03-12 | 2020-03-12 | Small plastic casing double-direction wall hanging device for stereo sound reproduction of film projection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211831065U true CN211831065U (en) | 2020-10-30 |
Family
ID=73008802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020301789.5U Expired - Fee Related CN211831065U (en) | 2020-03-12 | 2020-03-12 | Small plastic casing double-direction wall hanging device for stereo sound reproduction of film projection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211831065U (en) |
-
2020
- 2020-03-12 CN CN202020301789.5U patent/CN211831065U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201030 Termination date: 20210312 |
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| CF01 | Termination of patent right due to non-payment of annual fee |