WO2014071591A1

WO2014071591A1 - Framework for hanging speakers on chair back

Info

Publication number: WO2014071591A1
Application number: PCT/CN2012/084308
Authority: WO
Inventors: 孙悦炜
Original assignee: Sun Yuewei
Priority date: 2012-11-08
Filing date: 2012-11-08
Publication date: 2014-05-15

Abstract

A framework for hanging speakers on a chair back, comprising a hanging rod (1), a mounting rod (2) and a support rod (3). The two ends of the support rod (3) are respectively fixed in the middle of the hanging rod (1) and the mounting rod (2) to make the hanging rod (1) and the mounting rod (2) parallel with each other, and the three form an I-shaped structure; the two ends of the mounting rod (2) are provided with hook-shaped claws (20) for clamping a chair back; and two speakers (5) are detachably mounted at the two ends of the hanging rod (1).The framework can hang two speakers on the chair back of a user, and can suitably adjust the relative position of the two speakers, saving space, and enabling the user to enjoy a better audiovisual effect.

Description

Frame for hanging back chair

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a speaker space arrangement for a stereo device, and more particularly to a component for fixing a speaker, and more particularly to a frame structure and method of use for hanging a speaker on a seat back. BACKGROUND OF THE INVENTION A prior art home theater is widely used. 5. 1-channel audio equipment, including two front speakers, one rear speaker, one center surround sound box, and one subwoofer speaker; in order to get good audio-visual effects, the principle of placement is : The front speakers should be placed in a lined manner facing the listener, one on each side, the center speaker on the desktop in front of the monitor or on the top of the monitor. There are no special requirements for the subwoofer speaker placement.

At present, two rear speakers in such audio equipment generally land or hang on the wall, and the floor space will occupy a large space, while hanging on the wall is troublesome to install, and it is not convenient to change the placement position. Therefore, in the prior art, when using a 5-channel wireless audio device, it is necessary to reserve enough space for the speaker to be placed, which is extremely inconvenient.

SUMMARY OF THE INVENTION The technical problem to be solved by the present invention is to avoid the above-mentioned deficiencies of the prior art and to design and manufacture a suspension speaker frame for the back of the chair to solve the problem that the prior art speaker is inconvenient or unsuitable.

The technical solution proposed by the utility model to solve the above technical problem is a frame for a chair cargo suspension speaker, comprising a suspension rod, a mounting rod and a support rod; the two ends of the support rod are respectively fixed to the suspension rod and installed In the middle of the rod, the suspension rod and the mounting rod are parallel to each other, and the three are in a "work" shape; the two ends of the mounting rod are provided with hook claws for grasping the back of the seat; the two speakers are removably mounted on the suspension rod Both ends.

The suspension rod includes two suspension arms and a fixing member connecting the two; the two hanging arms are respectively located on the left and right sides of the fixing member; the connecting member for fixing the speaker is installed at the other end of the two suspension arms; The support rod is connected above or below the fixing member; more preferably, the suspension arm includes at least two arm units, and each arm unit is hingedly assembled into a suspension arm, and the arm units are mutually driven by an external force. The angle of the hinge can be adjusted.

The mounting rod includes two mounting arms and an adjusting mechanism, the adjusting mechanism includes a rectangular housing, two rectangular sliders and a knob; the knob includes a knob head, a connecting post and a toothed disc, and the connecting post turns the knob The head and the toothed disc are coaxially connected together; the knob is rotatably fixed to the knob base on the bottom plate of the rectangular housing, and has an axial swimming amount for inserting into the knob seat by means of the positioning pin under the toothed disc Any of the positioning holes; the two right-angled sliders are symmetrically and vertically movable in a rectangular housing, and the knob is clamped

Replacement page (Article 26) One end of the two mounting arms is respectively fixed on one of the two sides of the right angle slider, so that the two mounting arms are located on the left and right sides of the knob; the other ends of the two mounting arms are fixed a hook-shaped claw; the inner rack of the two right-angled sliders respectively mesh with the ring gear of the circumferential cylinder surface of the knob of the knob, and rotate the knob, that is, the two right-angled sliders and the two mounting arms connected thereto are opposite to each other Do a straight line move.

The support bar includes at least two arm units, and each arm unit is hingedly assembled into a support rod, and an angle at which the arm units are hinged to each other under an external force can be adjusted.

The mounting arm includes at least two arm units, and each arm unit is hingedly assembled into a mounting arm, and an angle at which the arm units are hinged to each other can be adjusted under external force.

Each of the arm units includes a housing and a pivot assembly; the pivot assembly includes a cylindrical pivot and a shaft core disposed therein with a coaxial line, the cylindrical pivot is rotatable The shaft core rotates; a central portion of the cylindrical pivot has a radially extending connecting blade; and one side of the housing is provided with two pivot slots separated from each other and adapted to the cylindrical pivot, and the other side a connecting post is provided; the two ends of the pivot assembly are received in the pivot slot of the housing, and are rotatably fixed to the housing by the shaft core; the connecting blades at the pivot of one arm unit are fixed to the other On the connecting column of one arm unit, each arm unit can be sequentially connected to form a whole like a tank track.

The inner wall of the pivot groove of the casing is provided with a plurality of G3 slots parallel to the pivot axis, and the outer walls of the cylindrical ends of the cylindrical pivot are respectively provided with a diameter matching the G3 groove. To the protruding strips, so that the adjacent two arm units that are connected together are pivoted by an external force, and the G3 slots of the pivot slots of the housings of the housings are locked by the clamps on the pivots, so that the phases are The angle between the planes of the adjacent arm units is maintained at a desired angle.

Compared with the prior art, the utility model has the beneficial effects that: two speakers can be hung on the back of the user, and the relative positions of the two speakers can be appropriately adjusted, which saves space and provides better audiovisual effect for the user. ; The length of the mounting rod can be changed as needed, easy to use and easy to operate.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view of a preferred embodiment of a frame for hanging a speaker on a seat back of the present invention, and a front view of the frame suspension speaker 5;

Figure 2 is a schematic isometric view of the use of the frame suspension enclosure 5 of the preferred embodiment; Figure 3 is a perspective view of the frame of the preferred embodiment of the mounting bar 2 of the adjustment mechanism 23 FIG. 4 is a schematic projection view showing the state in which the knob 233 and the rotating base 234 are separated from each other in the adjusting mechanism 23 of the preferred embodiment; Figure 5 is a front elevational perspective view showing the knob 233 and the rotating base 234 in a separated state in the preferred embodiment;

Figure 6 is a front cross-sectional view showing the knob 233 mounted on the rotating base 234 in the preferred embodiment;

Figure 7 is a schematic projection view of the arm unit 6 in the preferred embodiment; Figure 8 is a schematic projection view of the exploded state of the components of the arm unit 6 in the preferred embodiment;

Figure 9 is a schematic projection view showing the assembly of the two arm units 6 in the preferred embodiment;

Figure 10 is a partial cross-sectional view showing the axial projection of the two arm units 6 assembled together in the preferred embodiment;

Figure 11 is a partial cross-sectional view showing the axial projection of the upper portion of the housing 61 of the two arm units 6 of Figure 10 after removal.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be further described in conjunction with the preferred embodiments shown in the drawings.

Referring to FIG. 1 to FIG. 2 , a preferred embodiment of the present invention is a structure for a seat back suspension speaker, including a suspension rod 1 , a mounting rod 2 and a support rod 3 ; In the middle of the suspension rod 1 and the mounting rod 2, the suspension rod 1 and the mounting rod 2 are parallel to each other, and the three are in a "work"-shaped structure; the two ends of the mounting rod 2 are provided with hook-shaped claws 20 for grasping the back of the chair; The speaker 5 is removably mounted at both ends of the suspension bar 1. This structure suspends the speaker 5 on both sides of the chair where the user is seated, which saves space and has good audiovisual effects.

1 and 9, more preferably, the suspension bar 1 includes two suspension arms 11 and a fixing member 13 for connecting the two; the two suspension arms 11 are respectively located on the left and right sides of the fixing member 13; A connecting member for fixing the speaker is mounted on the other end of the two suspension arms; the support rod 3 is connected above or below the fixing member 13; and each of the suspension arms 11 is hinged by a plurality of arm units 6 in sequence Assembled, the angle at which the arm units 6 are hinged to each other under the action of an external force can be adjusted. This structure can appropriately bend the suspension arm 11 as needed so that the position of the speaker 5 suspended at both ends thereof can be adjusted. The number of the arm units 6 of each of the suspension walls 11 is not less than one, and the actual number is determined according to the required length of the suspension rods 11.

Referring to FIG. 3 to FIG. 6 , the mounting rod 2 includes two mounting arms 21 and an adjusting mechanism 23 . The adjusting mechanism 23 includes a rectangular housing 230 , two rectangular sliders 31 and a knob 233 . The knob 233 includes The knob head 2331, the connecting post 2332 and the toothed disc 2333, the connecting post 2332 coaxially connects the knob head 2331 and the toothed disc 2333 integrally. The knob 233 is rotatably fixed to the knob holder 234 on the bottom plate of the rectangular housing 230, and has an axial movement amount for inserting into the positioning hole 2340 of the knob holder 234 via the positioning pin 2334 of the chainring 2333. . The two right-angled sliders 231 are symmetrically and movably mounted in the rectangular housing 230 to sandwich the knob 233 therebetween; the two mounting arms 21 are respectively fixed at right angles. One of the two sides of the block 231, the two mounting arms 21 are located on the left and right sides of the knob 233; the other ends of the two mounting arms 21 are fixed with hook claws 20; the inner teeth of the two right-angle sliders 231 The strips 2310 are respectively engaged with the ring gears 23330 of the circumferential cylinder surface of the toothed disc 2333 of the knob 233, and the knob 233 is rotated to drive the two right-angled sliders 231 and the two mounting arms 21 connected thereto to move in a straight line. In use, the spacing between the hook claws 20 at both ends of the mounting rod 2 can be adjusted by the adjusting mechanism 23 so as to be fastened to the seat back to suit different sizes of chairs.

The mounting arm 21 is also hingedly assembled by a plurality of arm units 6 in sequence, and the angle at which the arm units 6 are hinged to each other under an external force can be adjusted. This structure can appropriately bend the mounting arm 21 as needed so that the mounting arm 21 is tightly attached to the seat back. The number of the arm units 6 of the mounting arm 21 is not less than one, and the actual number is determined according to the required length of the mounting arm 21.

In this example, the support rods 3 are also hingedly assembled by a plurality of arm units 6, and the angles at which the arm units 6 are hinged to each other under external force can be adjusted. This structure can appropriately bend the stay bar 3 as needed so that the support rod 3 is placed on the seat back. The number of the arm units 6 of the support rod 3 is not less than two, and the actual number is determined according to the required length of the support rod 3.

Referring to Figures 7-8, each arm unit 6 as previously described includes a housing 61 and a pivot assembly 62; the pivot assembly 62 includes a cylindrical pivot 621 and a coaxial line disposed therein a sliding-fit shaft core 620, the cylindrical pivot 621 is rotatable about the shaft core; a central portion of the cylindrical pivot 621 further has a radially extending connecting blade 622; the housing 61 is laterally disposed with two Separating, a pivot slot 610 adapted to the cylindrical pivot 621, and a connecting post 612 on the other side; the two ends of the pivot assembly 62 are received in the pivot slot 610 of the housing 61 by means of The shaft core 620 is rotatably fixed to the housing 61.

Referring to Figures 9 through 11, the connecting blades 622 at the pivot of one arm unit 6 are fixed to the connecting posts 612 of the other arm unit 6, and the arm units 6 can be sequentially connected to form a unit like a tank track. More preferably, the inner wall of the pivot slot 610 of the housing 61 is provided with a plurality of G3 slots 6101 parallel to the pivot axis, and each of the cylindrical outer walls of the cylindrical pivot 621 is provided with a cylindrical outer wall. Suitable for the G3 slot 6101 The radially protruding strips 623, so that the adjacent two arm units 6 connected together are pivoted by the external force about the pivot 621, and the pivots of the housing 61 are clamped by the clips 623 on the pivot 621. The G3 slot 6101 of the slot 610 maintains the angle between the planes of the adjacent two arm units 6 at a desired angle. Thus, the suspension arm 11, the mounting arm 21, or the support rod 3 assembled by the respective arm units 6 is adjusted in a straight shape by a certain external force.

Claims

Claim

1. A frame for a seat back suspension speaker, characterized in that:

The utility model comprises a suspension rod (1), a mounting rod (2) and a support rod (3); the two ends of the support rod (3) are respectively fixed to the middle of the suspension rod (1) and the mounting rod (2), so that the suspension rod (1) And the mounting rods (2) are parallel to each other, and the three are in a "work" shape structure;

The mounting rod (2) is provided at both ends with a hook-shaped claw (20) for grasping the back of the chair;

Two speakers (5) are removably mounted at both ends of the suspension bar (1).

2. The structure for a seat back suspension speaker according to claim 1, wherein:

The suspension rod (1) comprises two suspension arms (11) and fixing members (13) connecting the two; the two suspension arms (11) are respectively located on the left and right sides of the fixing member (13); The connecting member is installed at the other end of the two suspension arms; the support rod (3) is connected above or below the fixing member (13);

The suspension arm (11) includes at least two arm units (6), and each arm unit (6) is hingedly assembled into an suspension arm (11), and the angles of the arm units (6) hinged to each other under external force You can adjust.

3. The structure for a seat back suspension speaker according to claim 1, wherein:

The mounting rod (2) comprises two mounting arms (21) and an adjusting mechanism (23), the adjusting mechanism (23) comprising a rectangular housing (23G), two right-angle sliders (231) and a knob (233); The knob (233) includes a knob head (2331), a connecting post (2332) and a toothed disc (2333), and the connecting post (2332) coaxially connects the knob head U331) and the toothed disc U333);

The knob (233) is rotatably fixed to the knob base (234) on the bottom plate of the rectangular casing (230), and has an axial swimming amount for insertion by the positioning pin (2334) of the chainring (2333). Any positioning hole ( 2340 ) on the knob base ( 234 );

The two right-angled sliders (231) are symmetrically and movably mounted in a rectangular housing (230), and the knob (233) is sandwiched therebetween; the two mounting arms (21) The ends are respectively fixed to one of the two sides of the right angle slider (231) such that the two mounting arms (21) are located on the left and right sides of the knob (233); the other ends of the two mounting arms (21) are fixed There are hook-shaped claws (20); the inner racks (2310) of the two right-angled sliders (231) are respectively engaged with the ring gears (23330) of the circumferential cylinders of the toothed discs (2333) of the knob (233), and the knob is turned (233), that is, the two right-angled sliders (231) and the two mounting arms (21) connected thereto are moved in a straight line.

4. The structure for a seat back suspension speaker according to claim 1, wherein:

The support rod (3) comprises at least two arm units (6), and each arm unit (6) is hingedly assembled into a support rod (3), and the angles of the arm units (6) hinged to each other under external force You can adjust.

5. The structure for a seat back suspension speaker according to claim 3, wherein:

The mounting arm (21) includes at least two arm units (6), and each arm unit (6) is hingedly assembled into a mounting arm (21), and the arm units (6) are hinged to each other under external force. The angle can be adjusted.

6. The frame for a seat back suspension speaker according to claim 2, 4 or 5, characterized in that: each of the arm units (6) comprises a housing (61) and a pivot assembly (62); The pivot assembly (62) includes a cylindrical pivot (621) and a shaft core (620) disposed therein in coaxial with the coaxial line, the cylindrical pivot (621) being rotatable about the shaft core Rotating; the central portion of the cylindrical pivot (621) also has a radially extending connecting blade (622); the body (61) is laterally disposed with two separate from each other and adapted to the cylindrical pivot (621) a pivot slot (610), and a connecting post (612) on the other side;

The two ends of the pivot assembly (62) are received in the pivot groove (610) of the housing (61), and are rotatably fixed to the housing (61) by the shaft core (620);

Fixing the connecting blade (622) at the pivot of one arm unit (6) to the connecting post (612) of the other arm unit (6), and connecting each arm unit (6) in sequence to resemble a tank track Overall.

7. The structure for a seat back suspension speaker according to claim 6, wherein:

The inner wall of the pivot groove (610) of the casing (61) is provided with a plurality of ff slots (6101) parallel to the pivot axis, on the outer wall of the cylinder at both ends of the cylindrical pivot (621) Each of them is provided with a radially protruding strip (623) adapted to the groove (6101), so that the adjacent two arm units (6) connected together are pivoted by an external force, by means of a pivot The upper strip (6 ² 3 ) snaps into the groove (6101) of the pivot groove (610) of the housing (61), so that the angle between the planes of the adjacent two arm units (6) is maintained. At a certain angle of need.