CN213718144U

CN213718144U - Ultrathin ceiling sound box

Info

Publication number: CN213718144U
Application number: CN202021818988.XU
Authority: CN
Inventors: 王伟华
Original assignee: Ningbo Wise Electronic Technology Co ltd
Current assignee: Ningbo Wise Electronic Technology Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-07-16
Anticipated expiration: 2030-08-26

Abstract

The utility model relates to an ultra-thin ceiling loudspeaker box relates to the technical field of speaker, procapsid and back casing including interconnect, the cavity has between procapsid and the back casing, still including at least one initiative speaker, at least one passive speaker and at least one high pitch head, initiative speaker, passive speaker and high pitch head all set up on the procapsid. The application has better effect of low frequency volume.

Description

Ultrathin ceiling sound box

Technical Field

The application relates to the field of loudspeakers, in particular to an ultrathin ceiling loudspeaker box.

Background

The sound box is also called as sound box, loudspeaker and horn, and the ultra-thin ceiling sound box is a sound box which is arranged on the ceiling and has a thinner thickness, and is widely applied to various public places for playing background music, public broadcasting and the like.

However, the existing ultra-thin ceiling sound box generally includes an active sound box, the active sound box generally includes a high-pitched head and an active speaker, the high-pitched head is mainly used for playing the high-frequency signal output by the frequency divider, and the active speaker is mainly used for playing the medium-high frequency signal. Therefore, the low-frequency band tone quality of the existing ultrathin ceiling loudspeaker box is poor, and the requirement of people on the full frequency band of the ultrathin ceiling loudspeaker box in daily life cannot be met.

SUMMERY OF THE UTILITY MODEL

In order to promote the low frequency volume of ultra-thin ceiling audio amplifier and feel, this application provides an ultra-thin ceiling audio amplifier.

The application provides an ultra-thin ceiling sound box adopts following technical scheme:

the utility model provides an ultra-thin ceiling audio amplifier, includes interconnect's procapsid and back casing, the cavity has between procapsid and the back casing, still including at least one initiative speaker, at least one passive speaker and at least one high sound head, initiative speaker, passive speaker and high sound head all set up on the procapsid.

By adopting the technical scheme, the passive loudspeaker has better low-frequency volume sense, and the short plates of the low-frequency band in the original ultrathin ceiling-mounted sound box can be well complemented by the way of arranging the passive loudspeaker, so that a three-frequency-division arrangement mode is formed, and the low-frequency effect of the ultrathin ceiling-mounted sound box is improved.

Preferably, still including the installation component that is used for installing ultra-thin ceiling audio amplifier, the peripheral of procapsid outwards extends to have and is used for extending the limit with the butt of wall butt, the installation component includes clamping bolt and the pinch-off blades that is located the back casing circumference outside, clamping bolt's screw rod runs through procapsid and back casing along the direction of procapsid to back casing, the pinch-off blades has the screw thread perforation that supplies clamping bolt threaded connection, pinch-off blades and clamping bolt threaded connection just the pinch-off blades can be turned for the axle by clamping bolt, form the tight clearance of clamp that supplies the wallboard to wear to establish between the limit is extended to pinch-off blades and butt.

Through adopting above-mentioned technical scheme, when needs are installed the audio amplifier, at first rotate the grip block to the state of pasting tight back casing periphery, then wear to establish the perforation on the wallboard with the audio amplifier is whole, then rotate the grip block and make the other end of grip block keep away from back casing periphery, the grip block has formed the tight clearance that supplies the wallboard to wear to establish with the butt between extending the limit this moment, tighten up the clamp bolt afterwards, because the tip of clamp bolt is spacing in the one side that the back casing was kept away from to the procapsid, therefore make the grip block whole can extend to the direction that is close to the butt and extends, therefore can play the purpose that reduces and press from both sides tight clearance, and then play and press from both sides tight wallboard in order to realize the fixed to the.

Preferably, the clamping plate includes connecting portion and the clamping part of being connected with connecting portion, be provided with on the connecting portion the screw thread is perforated, still be provided with spacing post on the back casing, be provided with the groove that slides that supplies connecting portion to wear to establish and the axial slides in the spacing post, one side that the outer circumference of back casing was kept away from to spacing post is provided with the spacing groove that supplies the clamping part to wear to establish and slide, spacing groove and slide groove all run through in the spacing post axis and keep away from the one end of shell body in order to form the opening that supplies the clamping plate to wear to establish.

Through adopting above-mentioned technical scheme, when clamping part rotates to the one side of keeping away from the outer circumference of backshell, make clamping part wear to establish to the spacing groove through rotating clamping bolt, and spacing through the spacing groove for the in-process clamp plate rotating clamping bolt can accurately be close to the butt continuation limit, need not the long-time hand clamp plate of installer, simple to operate, and the installation effectiveness is higher.

Preferably, the clamping part is provided with an avoiding opening for the periphery of the limiting column to penetrate through.

Through adopting above-mentioned technical scheme, dodge the open-ended setting and can reduce the part that clamping part wore to establish in spacing post, and then can play the effect that reduces the whole thickness of installation component, improve space utilization.

Preferably, an avoiding groove for the clamping part to penetrate through is formed in the circumferential outer side of the rear shell.

Through adopting above-mentioned technical scheme, dodge setting up of groove and can avoid the clamping part to take in the in-process and bulge out in the periphery of back casing, improve the holistic space utilization of audio amplifier.

Preferably, one side that the procapsid was kept away from to connecting portion is provided with the location lug, the back casing circumference outside is provided with the spacing end cap that supplies the location lug to wear to establish, the location lug can press from both sides the bolt and rotate in spacing end cap for the axle.

Through adopting above-mentioned technical scheme, wear to locate the setting in the spacing end cap through the locating convex block for clamping part when breaking away from the spacing groove, can keep away from one side of procapsid to the clamp plate betterly and carry on spacingly, improves the overall structure intensity of installation component, reduces clamping screw and clamp plate and takes place the skew and the emergence of the crooked condition.

Preferably, the clamping portion has a cross-sectional area in a direction from the rear housing to the front housing that gradually increases.

Through adopting above-mentioned technical scheme, the butt area when the mode that the cross-sectional area increases can improve between clamping part and the wallboard, can also improve the whole structural strength of clamping part when clamping part presss from both sides tightly simultaneously, and then play the effect that improves audio amplifier installation intensity and audio amplifier installation stability.

Preferably, one side of the front shell, which is far away from the rear shell, is provided with a countersunk groove for the end part of the clamping bolt to penetrate through.

Through adopting above-mentioned technical scheme, the tip protrusion in the surface of procapsid of clamping bolt can be avoided in the setting of countersunk groove, makes the outward appearance of audio amplifier more pleasing to the eye on the one hand, and on the other hand can reduce the holistic thickness of audio amplifier for the audio amplifier can be thinner.

Preferably, the front shell is provided with a mesh cover for covering one side of the front shell, which is far away from the rear shell.

Through adopting above-mentioned technical scheme, the setting up of screen panel can be protected high pitch head, initiative speaker and passive speaker on the one hand, also can cover and protect clamping bolt etc. can also improve the holistic aesthetic measure of audio amplifier to a certain extent.

Preferably, a magnet for being adsorbed by the mesh cover is embedded in the front shell.

Through adopting above-mentioned technical scheme, the setting of magnetite can conveniently be installed the screen panel, and the installation effectiveness is high.

Drawings

Fig. 1 is a schematic structural diagram of an ultrathin ceiling-mounted sound box.

Fig. 2 is a schematic structural view of the ultra-thin ceiling loudspeaker box with the mesh cover removed.

Fig. 3 is a schematic structural view of the installation component of the ultrathin ceiling-mounted sound box in a storage state.

Fig. 4 is an exploded view of the clamping plate and clamping bolt.

Fig. 5 is a schematic structural view of the ultrathin ceiling-mounted sound box when the mounting assembly is rotated out.

Description of reference numerals: 1. a front housing; 2. a rear housing; 3. a mesh enclosure; 4. an active speaker; 5. a passive speaker; 6. a loud head; 7. mounting the component; 12. abutting and extending edges; 71. clamping the bolt; 72. a clamping plate; 13. a countersunk groove; 73. perforating the threads; 721. a connecting portion; 722. a clamping portion; 74. a limiting column; 75. a sliding groove; 76. a limiting groove; 723. avoiding the opening; 21. an avoidance groove; 77. positioning the bump; 78. a limiting end cap; 8. a magnet; 9. and a terminal.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses an ultra-thin ceiling sound box. Referring to fig. 1 and 2, the ultra-thin ceiling loudspeaker box includes procapsid 1, back casing 2 and set up in procapsid 1 that keep away from the screen panel 3 of back casing 2 one side each other through bolted connection, has the cavity that holds and install for circuit board etc. between procapsid 1 and the back casing 2, is provided with binding post 9 on the back casing 2. At least one active loudspeaker 4, at least one passive loudspeaker 5 and at least one high-pitch head 6 are arranged on the front shell 1, the active loudspeaker 4, the passive loudspeaker 5 and the high-pitch head 6 are all mounted on the front shell 1 in a cavity in a bolt connection mode, and display holes for correspondingly exposing the active loudspeaker 4, the passive loudspeaker 5 and the high-pitch head 6 are formed in the front shell 1.

The number and the positional relationship among the active speakers 4, the passive speakers 5, and the tweeters 6 may be selected according to actual conditions, and thus, one or two passive speakers 5 may be provided. In the present embodiment, the passive speaker 5, the active speaker 4, and the tweeter 6 are all provided on the end surface of the front case 1 away from the rear case 2, the tweeter 6 is provided on the side closer to the center, the passive speakers 5 are provided in two, and the passive speakers 5 and the active speaker 4 are arranged around the circumference of the tweeter 6.

Referring to fig. 2 and 3, the ultra-thin ceiling loudspeaker box is provided with a mounting component 7 for fixing the ultra-thin ceiling loudspeaker box on a wall surface, and the outer periphery of the front shell 1 extends outwards to form an abutting extending edge 12 for abutting against the outer surface of the wall plate. The extending edge 12 is abutted against the outer surface of the wall body through abutting, and the installation and fixation of the ultrathin ceiling-mounted loudspeaker box are realized through the abutting of the installation component 7 from the inner side of the wall plate and the wall body.

A plurality of mounting members 7 are provided on the outer periphery of the rear case 2. Wherein, the installation component 7 includes clamping bolt 71 and the clamp plate 72 that is located the back casing 2 circumference outside, and the screw rod of clamping bolt 71 runs through procapsid 1 and back casing 2 along the direction of the procapsid to back casing 2, all runs through on procapsid 1 and the back casing 2 and is provided with the through hole that communicates each other and supply the screw rod of clamping bolt 71 to run through, and one side that procapsid 1 kept away from back casing 2 is provided with the countersunk head groove 13 that supplies the tip of clamping bolt 71 to wear to establish. Specifically, a stepped surface is provided on the outer periphery of the rear case 2 on the side away from the front case 1, and the screw of the clamp bolt 71 is inserted through the stepped surface on the end surface parallel to the abutment flange 12.

Referring to fig. 3 and 4, the clamping plate 72 has a threaded through hole 73 for screwing the screw of the clamping bolt 71, the clamping plate 72 is screwed to the clamping bolt 71, and the clamping plate 72 can rotate freely about the clamping bolt 71. Specifically, the clamping plate 72 includes a connecting portion 721 and a clamping portion 722 connected to the connecting portion 721, and the threaded through hole 73 is disposed through the connecting portion 721. The last still integrative spacing post 74 that is provided with of back casing 2, be provided with in the spacing post 74 and supply connecting portion 721 to wear to establish and the axial groove 75 that slides, one side that back casing 2 outer circumference was kept away from to spacing post 74 is provided with and supplies clamping part 722 to wear to establish and the spacing groove 76 that slides, and spacing groove 76 and the groove 75 that slides all run through the one end of keeping away from the shell body in spacing post 74 axis in order to form the opening that supplies clamping plate 72 to wear to establish. When the clamping portion 722 is inserted into the stopper groove 76, the distance between the clamping portion 722 and the abutment flange 12 can be adjusted by rotating the clamping bolt 71.

Referring to fig. 4 and 5, the clamping portion 722 is provided with an escape opening 723 through which the outer periphery of the stopper post 74 is inserted, the connecting portion 721 is thinner than the clamping portion 722, and the outer periphery of the rear case 2 is provided with an escape groove 21 through which the clamping portion 722 is inserted. The provision of the escape opening 723 can reduce the overlapping portion of the clamping portion 722 with the stopper post 74, thereby reducing the distance in the thickness direction of the mounting assembly 7 when the clamping portion 722 is disengaged from the stopper post 74. In addition, the arrangement of the avoiding opening 723 can further reduce the distance between the clamping portion 722 and the avoiding opening 723, so that the mounting assembly 7 can be further adapted to be mounted on a wallboard with a smaller thickness.

Referring to fig. 3 and 5, a side of the connecting portion 721 away from the front housing 1 is provided with a positioning lug 77, a limiting end cap 78 for the positioning lug 77 to pass through is disposed on the circumferential outer side of the rear housing 2, and the positioning lug 77 can rotate in the limiting end cap 78 by taking the clamping bolt 71 as a shaft. It should be noted that when the positioning protrusion 77 is completely inserted into the position-limiting end cap 78, a portion of the connecting portion 721 is still inserted into the position-limiting post 74.

In order to improve the stability of the clamping portion 722, the cross-sectional area of the clamping portion 722 in the direction from the rear case 2 to the front case 1 is gradually increased.

When one end of the clamping plate 72, which is far away from the clamping bolt 71, is rotated to the circumferential outer side, which is far away from the rear shell 2, a clamping gap for the wall board to penetrate is formed between the clamping plate 72 and the abutting edge 12, and the distance between the clamping plate 72 and the abutting edge can be changed through the continuous rotation of the clamping bolt 71, so that the clamping function is realized. The clamping portion 722 is partially inserted into the limiting groove 76 to limit the entire clamping plate 72 in the circumferential direction, so as to achieve the function of stopping rotation of the clamping plate 72, and therefore the clamping plate 72 only moves in the axial direction when the clamping bolt 71 rotates.

Referring to fig. 1 and 2, the mesh 3 is made of metal such as iron, cobalt, nickel, etc. capable of being adsorbed by a magnet, the mesh 3 covers one side of the front housing 1 away from the rear housing 2, and a magnet 8 for the mesh 3 to adsorb is embedded on the front housing 1. In the present embodiment, the magnets 8 are provided in plural and uniformly distributed on the front case 1. The magnet 8 may be fixed to the front case 1 by bonding, or may be connected by a conventional connection method of a person skilled in the art, such as clamping, and will not be described herein again.

Further, a separation film (for example, cloth, plastic film, or the like) may be attached to the side of the mesh 3 facing the front case 1 to separate the mesh 3 and the magnet 8, thereby reducing the rusting speed of the mesh 3 and the magnet 8 to some extent.

The implementation principle of the ultrathin ceiling sound box in the embodiment of the application is as follows: when the ultrathin ceiling-mounted sound box needs to be installed, firstly, a round hole with a matched size is formed in the wall plate, then the ultrathin ceiling-mounted sound box is inserted into the round hole, the abutting extending edge 12 is enabled to be abutted against the wall plate, then the clamping plate 72 is rotated, the clamping portion 722 is enabled to be opposite to the limiting groove 76, and then the clamping bolt 71 is screwed down, so that the abutting of the clamping plate 72 and the wall plate is ensured. And finally, adsorbing the mesh enclosure 3 on the front shell 1 to finish installation.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an ultra-thin ceiling audio amplifier, includes interconnect's procapsid (1) and back casing (2), have cavity, its characterized in that between procapsid (1) and back casing (2): the loudspeaker is characterized by further comprising at least one active loudspeaker (4), at least one passive loudspeaker (5) and at least one high-sound head (6), wherein the active loudspeaker (4), the passive loudspeaker (5) and the high-sound head (6) are all arranged on the front shell (1).

2. The ultra-thin ceiling loudspeaker of claim 1, wherein: still including installation component (7) that is used for installing ultra-thin ceiling speaker, the outer peripheral of procapsid (1) outwards extends to be equipped with and is used for extending limit (12) with the butt of wall butt, installation component (7) include clamping bolt (71) and lie in back casing (2) circumference outside clamp plate (72), the screw rod of clamping bolt (71) runs through procapsid (1) and back casing (2) along the direction of procapsid (1) to back casing (2), clamp plate (72) have the screw thread perforation (73) that supply clamping bolt (71) threaded connection, clamp plate (72) and clamping bolt (71) threaded connection just clamp plate (72) can clamping bolt (71) for the axle rotates, form the tight clearance of clamp that supplies the wallboard to establish between clamp plate (72) and the butt and extend limit (12).

3. The ultra-thin ceiling loudspeaker of claim 2, wherein: the clamping plate (72) comprises a connecting portion (721) and a clamping portion (722) connected with the connecting portion (721), the connecting portion (721) is provided with a threaded through hole (73), the rear shell (2) is further provided with a limiting column (74), a sliding groove (75) which is used for the connecting portion (721) to penetrate and axially slide is arranged in the limiting column (74), one side, far away from the outer circumference of the rear shell (2), of the limiting column (74) is provided with a limiting groove (76) which is used for the clamping portion (722) to penetrate and slide, and the limiting groove (76) and the sliding groove (75) are both penetrated through one end, far away from the outer shell, of the axis of the limiting column (74) to form an opening which is used for the clamping plate (72) to penetrate.

4. The ultra-thin ceiling loudspeaker of claim 3, wherein: the clamping part (722) is provided with an avoiding opening (723) for the outer periphery of the limiting column (74) to penetrate through.

5. The ultra-thin ceiling loudspeaker of claim 3, wherein: and an avoidance groove (21) for the clamping part (722) to penetrate is formed in the circumferential outer side of the rear shell (2).

6. The ultra-thin ceiling loudspeaker of claim 3, wherein: one side that connecting portion (721) kept away from procapsid (1) is provided with location lug (77), back casing (2) circumference outside is provided with spacing end cap (78) that supplies location lug (77) to wear to establish, location lug (77) can press from both sides tight bolt (71) and rotate in spacing end cap (78) for the axle.

7. The ultra-thin ceiling loudspeaker of claim 3, wherein: the cross-sectional area of the clamping part (722) in the direction from the rear shell (2) to the front shell (1) is gradually increased.

8. The ultra-thin ceiling loudspeaker of claim 2, wherein: one side of the front shell (1) far away from the rear shell (2) is provided with a countersunk groove (13) for the end part of the clamping bolt (71) to penetrate through.

9. The ultra-thin ceiling loudspeaker of claim 1, wherein: the front shell (1) is provided with a mesh enclosure (3) which covers one side of the front shell (1) far away from the rear shell (2).

10. The ultra-thin ceiling loudspeaker of claim 9, wherein: the front shell (1) is embedded with a magnet (8) for the net cover (3) to adsorb.