CN108600903A

CN108600903A - A kind of Combined household sound equipment

Info

Publication number: CN108600903A
Application number: CN201810782801.6A
Authority: CN
Inventors: 李成锦
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-07-17
Filing date: 2018-07-17
Publication date: 2018-09-28

Abstract

The present invention relates to household appliance technical fields, and disclose a kind of Combined household sound equipment, including speaker body and volume knob, one side external surface of the speaker body is installed with anion generator, and matcoveredn is fixedly mounted in the leading exterior surface of speaker body, the leading exterior surface of the protective layer is covered with Air Filter, another side external surface of the speaker body is installed with control device, and the lower external face of control device is installed with induction of signal lamp and function key, the center outer surface of the control device is installed with switch button, jack and current corrector, the leading exterior surface of the control device is provided with bass knob.The Combined household sound equipment, sliding rail are flexibly connected with sliding slot, and ash disposal is carried out to equipment convenient for people, can eliminate influence of the noise to equipment by current corrector and anion generator, and neutralize electrostatic, reduce damage of the electrostatic to equipment.

Description

A kind of Combined household sound equipment

Technical field

The present invention relates to household appliance technical field, specially a kind of Combined household sound equipment.

Background technology

Sound equipment refers to other sounds other than the language of people, music, including the sound of natural environment, animal sound, The various sound etc. that the sound equipment of machine tools, the action of people are sent out, sound equipment probably include power amplifier, peripheral equipment (including pressure limit Device, effect device, balanced device, VCD, DVD etc.), loud speaker (speaker, loudspeaker), sound console, microphone, display equipment etc. added Come a set of.

Sound principle, using vibrator vibration sounding and papery eardrum sound horn, we are through Sound Effect People both know about, common sound equipment in addition to Specialty Hi-Fi, general common sound equipment supper bass be all it is inadequate, bass it is better one As volume it is not small, this is mainly due to the sound equipment using sound horn influenced by phonation unit body size it is very big, so very More multi-media sound systems directly use subwoofer, external speaker fully to expand its phonation unit body volume range, but in this way for The shape of sound equipment sound equipment just has prodigious limit.

There are some drawbacks in existing domestic acoustics, first, in the long-term use process of sound equipment during use In, it can assemble a certain amount of dust inside sound equipment, not only influence the image appearance of sound equipment main body, and the excessive meeting of dust aggregation Certain interference, the inside of sound equipment is caused to will produce electrostatic to the tone color of sound equipment, secondly, due to the presence of electric current inside sound equipment, So there can be the noise of electric current, the using effect of sound equipment is influenced, and user is during mobile sound equipment, it is extraneous Impact force can impact the parts inside sound equipment, and then may cause the failure of sound equipment, in addition, used in sound equipment In the process, moisture content may be penetrated into inside sound equipment, causes the damage of sound equipment inner components, influence the normal use of people, Thus it is proposed that a kind of Combined household sound equipment.

Invention content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the present invention provides a kind of Combined household sound equipment, people can be facilitated to dismantle sound equipment Shell to overhaul sound equipment, and is cleared up the dust inside sound equipment, meanwhile, it can be generated by anion generator negative Ion neutralizes and eliminates electrostatic, eliminates influence of the electrostatic to equipment, eliminates current noise by current corrector, ensures equipment Normal use, and can weaken influence of the impact force to equipment when equipment is by foreign impacts power, can also effectively keep away Exempt from the situation that moisture content penetrates into inside equipment to occur.

(2) technical solution

It is above-mentioned convenient for dedusting, elimination current noise and electrostatic to realize, and weaken influence of the impact force to equipment, and The situation that moisture content penetrates into inside equipment is avoided to occur, the present invention provides the following technical solutions：A kind of Combined household sound equipment, including One side external surface of speaker body and volume knob, the speaker body is installed with anion generator, and raises one's voice Matcoveredn is fixedly mounted in the leading exterior surface of device main body, and the leading exterior surface of the protective layer is covered with Air Filter, described to raise Another side external surface of sound device main body is installed with control device, and the lower external face of control device is installed with letter Number sensing lamp and function key, the induction of signal lamp position are fixed in the side of function key, the center outer surface of the control device Switch button, jack and current corrector are installed, the volume knob is located at the center outer surface of control device, and volume Knob is flexibly connected with control device, and the switch button is located at the side of jack, and jack is located at the side of volume knob, The current corrector is located at the other side of volume knob, and the leading exterior surface of the control device is provided with bass knob, and For bass knob between current corrector and function key, the outer surface of upper of the control device is installed with high pitch rotation Button and start key, and high pitch knob is located at the side of start key, the upper end outer surface of the speaker body is movably installed with The side of slip lid, the upper slip lid is installed with sliding rail, and the other side of upper slip lid is installed with the second fixed plate, institute It states and is provided with perforation between the first fixed plate and the second fixed plate, the upper slip lid passes through the first fixed plate and the second fixed plate It is flexibly connected with speaker body.

Preferably, the lower end outer surface of first fixed plate and the second fixed plate is installed with sliding rail, and first The lower end outer surface of fixed plate and the second fixed plate is arc, the speaker body and the first fixed plate, the second fixed plate The upper end of flexible connection is both provided with sliding slot, and the sliding rail is flexibly connected with sliding slot, first fixed plate and the second fixed plate It is flexibly connected with speaker body by sliding rail.

Preferably, the anion generator includes link block, ion generator, ion converter and plasma diffusing W,Mo device, And anion generator passes through link block) it is fixedly connected with speaker body, the ion generator is located at link block) under Outer surface, the ion converter is held to be located at the lower end outer surface of ion generator, the plasma diffusing W,Mo device is located at ion conversion The back end outer surface of the lower end outer surface of device, the speaker body is provided with power supply, the ion generator, ion conversion The input terminal of device and plasma diffusing W,Mo device is electrically connected with the output end of power supply.

Preferably, the quantity of the speaker body is two groups, and speaker body is evenly distributed on the two of control device Two side external surfaces of side external surface, the control device are enclosed with water-proof air-permeable film, and the control device is in lower end Portion's setting is fluted, and the inside of the groove is installed with fixes sleeve, and the upper end outer surface activity installation of fixes sleeve There is telescopic shaft, the fixes sleeve is internally provided with spring, and one end of spring is located at the lower end inner surface of fixes sleeve, The other end of the spring is located at the lower end outer surface of telescopic shaft, and telescopic shaft is flexibly connected by spring with fixes sleeve.

Preferably, the Air Filter is internally provided with mesh, and mesh runs through the inside of Air Filter, the quantity of mesh is Several groups, mesh are evenly distributed on the inside of Air Filter, and the outer surface of the volume knob is provided with scale strip, scale strip Quantity is several groups, and scale strip is circumferentially evenly distributed on the outer surface of volume knob with the central axis of volume knob.

Preferably, the quantity of the groove is several groups, and groove is evenly distributed on the inside of control device, described recessed Slot, telescopic shaft, spring are overlapped with the central axis of fixes sleeve, and the central shaft of groove, telescopic shaft, spring and fixes sleeve Line is vertical with the lower end outer surface of control device.

Preferably, the quantity of the function key is four groups, and function key is evenly distributed on bass knob and high pitch knob The quantity of lower section, the anion generator is two groups, and anion generator is distributed in speaker body and is filled far from control The inside of the side external surface set, the volume knob is installed with shaft, the connection of the control device and volume knob Place is provided with circular hole, and shaft is flexibly connected with circular hole, and the volume knob is flexibly connected by shaft with control device.

Preferably, the lower end of the speaker body is movably installed with universal wheel, and the quantity of universal wheel is four groups, universal Wheel is evenly distributed on the lower end outer surface of speaker body.

Preferably, the outer surface of the speaker body is provided with anti-skid chequer, and anti-skid chequer is evenly distributed on speaker body Outer surface.

Advantageous effect

Compared with prior art, the present invention provides a kind of Combined household sound equipment, has following advantageous effect：

1, the Combined household sound equipment, the sliding rail being fixedly mounted by upper slip lid lower end outer surface and speaker body upper end The sliding slot of setting, by flexible connection between the two, user can easily remove the main body of sound equipment, to overhaul sound equipment Inside, and deashing processing is carried out to the dust of equipment aggregation, reduces the influence that is run to equipment of dust.

2, the Combined household sound equipment can ensure electric current by the volume knob mounted on control device leading exterior surface Stability ensure the tone color of sound equipment to reduce the noise of electric current, improve the experience effect of user.

3, the Combined household sound equipment, by the way that the anion generator in speaker body outer surface is arranged, can generate- Conversion-release anion ensures user just to neutralize and eliminate the electrostatic that may be will produce in equipment running process It is often used.

4, the Combined household sound equipment is flexibly connected by groove, telescopic shaft, spring with fixes sleeve, equipment by When impact force, telescopic shaft will move in fixes sleeve, to weaken impact force, and reset under the action of the spring, more preferably Protection equipment, improve the service life of equipment.

5, the Combined household sound equipment, by water-proof air-permeable film, moisture content is in the state of steam, according to the original of capillary moving Reason, can smoothly penetrate into capillary to the other side, to which vapour phenomenon occur, after moisture condensation becomes droplet, due to water The effect of bead surface tension, hydrone cannot smoothly be detached from droplet and penetrate into the other side, that is, the infiltration of water is prevented to send out It is raw, avoid the situation that moisture content penetrates into inside equipment from occurring.

Description of the drawings

Fig. 1 is the agent structure schematic diagram of the present invention；

Fig. 2 is the schematic diagram of the upper slip lid of the present invention；

Fig. 3 is the enlarged drawing of A in Fig. 2 of the present invention；

Fig. 4 is the structure chart of anion generator in the present invention；

Fig. 5 is the partial view of the present invention；

Fig. 6 is the enlarged drawing of B in Fig. 5 of the present invention.

In figure：1, speaker body；2, anion generator；201, link block；202, ion generator；203, ion Converter；204, plasma diffusing W,Mo device；3, protective layer；4, Air Filter；5, control device；6, induction of signal lamp；7, function key；8、 Bass knob；9, volume knob；10, switch button；11, jack；12, current corrector；13, high pitch knob；14, start key； 15, upper slip lid；16, the first fixed plate；17, the second fixed plate；18, it perforates；19, sliding rail；20, sliding slot；21, water-proof air-permeable Film；22, groove；23, telescopic shaft；24, spring；25, fixes sleeve.

Specific implementation mode

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its His embodiment, shall fall within the protection scope of the present invention.

Please refer to Fig.1-6, a kind of Combined household sound equipment, including speaker body 1 and volume knob 9, speaker body 1 A side external surface be installed with anion generator 2, generation-conversion-release anion to neutralize electrostatic, and is raised one's voice Matcoveredn 3 is fixedly mounted in the leading exterior surface of device main body 1, and the leading exterior surface of protective layer 3 is covered with Air Filter 4, reduce into Entering the amount of dust in equipment, another side external surface of speaker body 1 is installed with control device 5, and control device 5 Lower external face is installed with induction of signal lamp 6 and function key 7, and induction of signal lamp 6 receives signal, and induction of signal lamp 6 is located at The center outer surface of the side of function key 7, control device 5 is installed with switch button 10, jack 11 and current corrector 12, current corrector 12 is the current correction instrument of model NM5800, and volume knob 9 is located at the middle part appearance of control device 5 Face, and volume knob 9 is flexibly connected with control device 5, adjusts volume manually convenient for people, switch button 10 is located at jack 11 Side, and jack 11 is located at the side of volume knob 9, and current corrector 12 is located at the other side of volume knob 9, control dress The leading exterior surface for setting 5 is provided with bass knob 8, and bass knob 8 controls between current corrector 12 and function key 7 The outer surface of upper of device 5 is installed with high pitch knob 13 and start key 14, and high pitch knob 13 is located at the one of start key 14 The upper end outer surface of side, speaker body 1 is movably installed with slip lid 15, and the side of upper slip lid 15 is installed with sliding rail 19, And the other side of upper slip lid 15 is installed with the second fixed plate 17, is arranged between the first fixed plate 16 and the second fixed plate 17 There are perforation 18, upper slip lid 15 to be flexibly connected with the second fixed plate 17 with speaker body 1 by the first fixed plate 16, passes through two Flexible connection between person carries out ash disposal convenient for people to equipment.

The lower end outer surface of first fixed plate 16 and the second fixed plate 17 is installed with sliding rail 19, and first fixes The lower end outer surface of plate 16 and the second fixed plate 17 is arc, speaker body 1 and the first fixed plate 16, the second fixed plate The upper end of 17 flexible connections is both provided with sliding slot 20, and sliding rail 19 is flexibly connected with sliding slot 20, and the first fixed plate 16 and second is fixed Plate 17 is flexibly connected by sliding rail 19 with speaker body 1, and user can easily dismantle the shell of sound equipment；Anion is sent out Raw device 2 includes link block 201, ion generator 202, ion converter 203 and plasma diffusing W,Mo device 204, and anion occurs Device 2 is fixedly connected by link block 201 with speaker body 1, and ion generator 202 is located at the lower end appearance of link block 201 Face, ion converter 203 are located at the lower end outer surface of ion generator 202, and plasma diffusing W,Mo device 204 is located at ion converter 203 Lower end outer surface, the back end outer surface of speaker body 1 is provided with power supply, ion generator 202, ion converter 203 with The input terminal of plasma diffusing W,Mo device 204 is electrically connected with the output end of power supply, and anion generator 2 is model HL-F38 Anion generator 2；The quantity of speaker body 1 is two groups, and speaker body 1 is evenly distributed on the two of control device 5 Two side external surfaces of side external surface, control device 5 are enclosed with water-proof air-permeable film 21, and moisture content is avoided to penetrate into inside equipment, control Device 5 is internally provided with groove 22 close to lower end, and the inside of groove 22 is installed with fixes sleeve 25, and fixes sleeve 25 upper end outer surface is movably installed with telescopic shaft 23, and fixes sleeve 25 is internally provided with spring 24, and one end of spring 24 Positioned at the lower end inner surface of fixes sleeve 25, the other end of spring 24 is located at the lower end outer surface of telescopic shaft 23, and telescopic shaft 23 It is flexibly connected with fixes sleeve 25 by spring 24, weakens influence of the external force to equipment；Air Filter 4 is internally provided with net Hole, mesh run through the inside of Air Filter 4, and the quantity of mesh is several groups, and mesh is evenly distributed on the inside of Air Filter 4, anti-gray While, ensure that the effect of volume, the outer surface of volume knob 9 are provided with scale strip, the quantity of scale strip is several groups, is carved Degree item is circumferentially evenly distributed on the outer surface of volume knob 9 with the central axis of volume knob 9；The quantity of groove 22 is several Group, and groove 22 is evenly distributed on the inside of control device 5, groove 22, telescopic shaft 23, spring 24 in fixes sleeve 25 Mandrel line overlaps, and the lower end of groove 22, telescopic shaft 23, spring 24 and the central axis and control device 5 of fixes sleeve 25 Outer surface is vertical, ensures the normal operation of equipment；The quantity of function key 7 is four groups, and function key 7 is evenly distributed on bass rotation The quantity of the lower section of button 8 and high pitch knob 13, anion generator 2 is two groups, and anion generator 2 is distributed in and raises one's voice The inside of a side external surface of the device main body 1 far from control device 5, volume knob 9 is installed with shaft, control device 5 and sound The junction of amount knob 9 is provided with circular hole, and shaft is flexibly connected with circular hole, and volume knob 9 is lived by shaft and control device 5 Dynamic connection, is convenient for the use of people；The lower end of speaker body 1 is movably installed with universal wheel, and the quantity of universal wheel is four groups, Universal wheel is evenly distributed on the lower end outer surface of speaker body 1；The outer surface of speaker body 1 is provided with anti-skid chequer, anti-skidding Line is evenly distributed on the outer surface of speaker body 1, increasing friction force.

When work, user connects the power supply of 1 back end outer surface of speaker body first, and user presses control device 5 The start key 14 of leading exterior surface, whole equipment brings into operation, and during equipment is run, user can pass through remote controler Instruction sent out to sound equipment, after the induction of signal lamp 6 of 5 leading exterior surface of control device receives signal, adjusts the volume etc. of sound equipment Data, in the whole process, the ion generator 202 in anion generator 2 will will produce ion, and in ion converter Ion is converted under the action of 203, and the anion of generation is discharged by the external world by plasma diffusing W,Mo device 204, in playing With and eliminate the effect of electrostatic, user also can by the volume knob 9 of 5 leading exterior surface of control device, bass knob 8 with High pitch knob 13 manually adjust sound equipment volume, equipment run a period of time after, user can by the first fixed plate 16, Second fixed plate 17 is flexibly connected with speaker body 1, dismantles casing of sound equipment, to repair apparatus, and is carried out at ash disposal Reason, then being flexibly connected by sliding rail 19 and sliding slot 20, upper slip lid 15 is resetted, when equipment is by foreign impacts power, groove 22, telescopic shaft 23, spring 24 are flexibly connected with fixes sleeve 25, and when equipment is by impact force, telescopic shaft 23 will be It moves in fixes sleeve 25, to weaken impact force, and is resetted under the action of spring 24, it is more practical.

To sum up, the cunning of the sliding rail 19 and the setting of 1 upper end of speaker body that are fixedly mounted by 15 lower end outer surface of upper slip lid Slot 20, by flexible connection between the two, user can easily remove the main body of sound equipment, to overhaul the inside of sound equipment, And deashing processing is carried out to the dust of equipment aggregation, the influence that dust runs equipment is reduced, by being mounted on control device 5 The volume knob 9 of leading exterior surface, can ensure the stability of electric current, to reduce the noise of electric current, ensure the sound of sound equipment Color improves the experience effect of user, by the way that the anion generator 2 in 1 outer surface of speaker body is arranged, can generate- Conversion-release anion ensures user just to neutralize and eliminate the electrostatic that may be will produce in equipment running process It is often used, is flexibly connected with fixes sleeve 25 by groove 22, telescopic shaft 23, spring 24, when equipment is by impact force, Telescopic shaft 23 will move in fixes sleeve 25, to weaken impact force, and be resetted under the action of spring 24, preferably Equipment is protected, improves the service life of equipment, by water-proof air-permeable film 21, moisture content is in the state of steam, according to capillary moving Principle, can smoothly penetrate into capillary to the other side, to which vapour phenomenon occur, after moisture condensation becomes droplet, by In the effect of droplet surface tension, hydrone cannot smoothly be detached from droplet and penetrate into the other side, that is, prevent water Infiltration occurs, and the situation that moisture content penetrates into inside equipment is avoided to occur.

It should be noted that herein, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation There are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to Cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only that A little elements, but also include other elements that are not explicitly listed, or further include for this process, method, article or The intrinsic element of equipment.

It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace And modification, the scope of the present invention is defined by the appended.

Claims

1. a kind of Combined household sound equipment, including speaker body (1) and volume knob (9), it is characterised in that：The loud speaker master One side external surface of body (1) is installed with anion generator (2), and the leading exterior surface of speaker body (1) fixes peace Equipped with protective layer (3), the leading exterior surface of the protective layer (3) is covered with Air Filter (4), the speaker body (1) it is another One side external surface is installed with control device (5), and the lower external face of control device (5) is installed with induction of signal lamp (6) and function key (7), the induction of signal lamp (6) are located at the side of function key (7), the middle part appearance of the control device (5) Face is installed with switch button (10), jack (11) and current corrector (12), the volume knob (9) and is located at control device (5) center outer surface, and volume knob (9) is flexibly connected with control device (5), the switch button (10) is located at jack (11) side, and jack (11) is located at the side of volume knob (9), the current corrector (12) is located at volume knob (9) The other side, the leading exterior surface of the control device (5) is provided with bass knob (8), and bass knob (8) is located at electric current school Just between device (12) and function key (7), the outer surface of upper of the control device (5) is installed with high pitch knob (13) and opens Dynamic key (14), and high pitch knob (13) is located at the side of start key (14), the upper end outer surface activity of the speaker body (1) Slip lid (15) is installed, the side of the upper slip lid (15) is installed with sliding rail (19), and the other side of upper slip lid (15) It is installed with the second fixed plate (17), perforation is provided between first fixed plate (16) and the second fixed plate (17) (18), the upper slip lid (15) is flexibly connected by the first fixed plate (16) with the second fixed plate (17) with speaker body (1).

2. a kind of Combined household sound equipment according to claim 1, it is characterised in that：First fixed plate (16) and second The lower end outer surface of fixed plate (17) is installed with sliding rail (19), and the first fixed plate (16) and the second fixed plate (17) Lower end outer surface is arc, and the speaker body (1) is flexibly connected with the first fixed plate (16), the second fixed plate (17) Upper end is both provided with sliding slot (20), and the sliding rail (19) is flexibly connected with sliding slot (20), first fixed plate (16) and second Fixed plate (17) is flexibly connected by sliding rail (19) with speaker body (1).

3. a kind of Combined household sound equipment according to claim 1, it is characterised in that：The anion generator (2) includes Link block (201)), ion generator (202), ion converter (203) and plasma diffusing W,Mo device (204), and anion generator (2) pass through link block (201)) it is fixedly connected with speaker body (1), the ion generator (202) is located at link block (201)) lower end outer surface, the ion converter (203) are located at the lower end outer surface of ion generator (202), it is described from Sub- release (204) is located at the lower end outer surface of ion converter (203), and the back end outer surface of the speaker body (1) is set Be equipped with power supply, the ion generator (202), ion converter (203) and plasma diffusing W,Mo device (204) input terminal and power supply Output end be electrically connected.

4. a kind of Combined household sound equipment according to claim 1, it is characterised in that：The quantity of the speaker body (1) It it is two groups, and speaker body (1) is evenly distributed on two side external surfaces of control device (5), the both sides of the control device (5) Outer surface is enclosed with water-proof air-permeable film (21), and the control device (5) is internally provided with groove (22) close to lower end, described The inside of groove (22) is installed with fixes sleeve (25), and the upper end outer surface of fixes sleeve (25) be movably installed with it is flexible Axis (23), the fixes sleeve (25) is internally provided with spring (24), and one end of spring (24) is located at fixes sleeve (25) Lower end inner surface, the other end of the spring (24) is located at the lower end outer surface of telescopic shaft (23), and telescopic shaft (23) passes through Spring (24) is flexibly connected with fixes sleeve (25).

5. a kind of Combined household sound equipment according to claim 1, it is characterised in that：The inside of the Air Filter (4) is arranged There are mesh, mesh to run through the inside of Air Filter (4), the quantity of mesh is several groups, and mesh is evenly distributed on the interior of Air Filter (4) The outer surface in portion, the volume knob (9) is provided with scale strip, and the quantity of scale strip is several groups, and scale strip is with volume knob (9) central axis is circumferentially evenly distributed on the outer surface of volume knob (9).

6. a kind of Combined household sound equipment according to claim 4, it is characterised in that：The quantity of the groove (22) is several Group, and groove (22) is evenly distributed on the inside of control device (5), the groove (22), telescopic shaft (23), spring (24) with it is solid The central axis for determining sleeve (25) overlaps, and the central shaft of groove (22), telescopic shaft (23), spring (24) and fixes sleeve (25) Line is vertical with the lower end outer surface of control device (5).

7. a kind of Combined household sound equipment according to claim 1, it is characterised in that：The quantity of the function key (7) is four Group, and function key (7) is evenly distributed on the lower section of bass knob (8) and high pitch knob (13), the anion generator (2) Quantity is two groups, and anion generator (2) is distributed in a side external surface of the speaker body (1) far from control device (5), The inside of the volume knob (9) is installed with shaft, and the control device (5) and the junction of volume knob (9) are arranged There are circular hole, shaft to be flexibly connected with circular hole, the volume knob (9) is flexibly connected by shaft with control device (5).

8. a kind of Combined household sound equipment according to claim 1, it is characterised in that：The lower end of the speaker body (1) It is movably installed with universal wheel, the quantity of universal wheel is four groups, and universal wheel is evenly distributed on the lower end appearance of speaker body (1) Face.

9. a kind of Combined household sound equipment according to claim 1, it is characterised in that：The appearance of the speaker body (1) Face is provided with anti-skid chequer, and anti-skid chequer is evenly distributed on the outer surface of speaker body (1).