CN209017283U - Sound guide tube and speaker - Google Patents
Sound guide tube and speaker Download PDFInfo
- Publication number
- CN209017283U CN209017283U CN201821936181.9U CN201821936181U CN209017283U CN 209017283 U CN209017283 U CN 209017283U CN 201821936181 U CN201821936181 U CN 201821936181U CN 209017283 U CN209017283 U CN 209017283U
- Authority
- CN
- China
- Prior art keywords
- tube body
- sound guide
- face
- curved plate
- guide tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The utility model is suitable for stereo set technical field, provides a kind of sound guide tube and speaker.Wherein, a kind of sound guide tube, it is installed in sound box, the sound box offers the through-hole extraneous for sound guide tube connection, the sound guide tube includes sequentially connected first tube body, the second tube body and third tube body, first tube body passes through the through-hole and is connected to the external world, the third tube body is connected to the inner cavity of the sound box, first tube body and the third tube body are curved pipe, second tube body is linear pipe, and the axis center of curvature of first tube body and the third tube body is located at the two sides of the second tube body axis.Leading note pipeline entirety axis provided by the utility model is S-shaped, which extends the circulation distance of leading note inner air tube in a manner of pipe bending, so that the speaker for installing the sound guide tube be made to obtain better bass effect.
Description
Technical field
The utility model belongs to stereo set technical field more particularly to a kind of sound guide tube and speaker.
Background technique
According to helmholtz resonance principle in acoustics, sound guide tube is widely used in speaker, using the speaker of sound guide tube
Compared with closed box, have the advantages that as follows: small volume, low-frequency minimum are 0.7 times of closed box, remolding sensitivity closed box height
3dB, acoustic pressure are higher.Existing sound guide tube is mostly a linear tube, limit of the air draft distance by linear tube axial length
System causes the speaker of small size that can influence bass effect because the air draft of linear type sound guide tube distance is limited.
Utility model content
The purpose of the utility model is to overcome above-mentioned the deficiencies in the prior art, a kind of sound guide tube and speaker are provided,
It is intended to improve the bass effect of the speaker using the sound guide tube.
The utility model provides a kind of sound guide tube, is installed in sound box, and the sound box offers leads described in confession
The extraneous through-hole of sound tube connection, the sound guide tube include sequentially connected first tube body, the second tube body and third tube body, and described the
One tube body passes through the through-hole and is connected to the external world, and the third tube body is connected to the inner cavity of the sound box, first tube body
It is curved pipe with the third tube body, second tube body is linear pipe, first tube body and the third tube body
The axis center of curvature is located at the two sides of the second tube body axis.
Further, first tube body includes second for being connected to extraneous first end face and connecting with second tube body
End face, the third tube body include the third end face connecting with second tube body and the 4th end face that connect with the inner cavity,
The first end face is vertically arranged with the second end face, and the 4th end face is vertically arranged with the third end face, and described
Biend and the third end face are arranged in parallel.
Further, first tube body, second tube body and the third tube body are fixed by upper curved plate and lower curved plate
It is formed by connecting.
Further, the sound guide tube further includes the aligning structure that the upper curved plate and lower curved plate are cooperatively connected, described
Aligning structure includes that the first contraposition part of upper curved plate is arranged in and is arranged on lower curved plate to match with the first contraposition part
Second contraposition part.
Further, the first contraposition part is to the lower curved plate direction protrusion outstanding, and the second contraposition part is
Groove matched with the bulge.
Further, the aligning structure further includes at left and right sides of two outer plate surfaces for being connected to upper curved plate and to diameter
It is connected to the starting stave of extension and two at left and right sides of the outer plate surface of lower curved plate and perpendicular to second radially extended
Plate, starting stave is concordant close to the face of lower curved plate and the end face of upper curved plate, face and lower curved plate of second riser close to upper curved plate
End face is concordant, and the protrusion is fixed on the starting stave towards in the plate face of the lower curved plate, and the groove is opened in described
Second riser is towards in the plate face of the upper curved plate.
Further, the lower curved plate and the upper curved plate are formed by ultrasonic bonding.
Further, the lower curved plate and the upper curved plate are made of plastic material.
The utility model also provides a kind of speaker, including sound box encloses shape with the sound box inner surface is fixed on
The intracavitary sound guide tube in, there are two the sound guide tubes, and the sound box, which is offered, to be communicated with the sound guide tube so as to lead
Sound tube is connected to the inner cavity and extraneous through-hole, and the sound guide tube is such as above-mentioned sound guide tube.
Further, the sound guide tube is horizontal positioned, and the through-hole is provided with the rear plate face of the sound box and front and back
The back plate is penetrated through, first tube body is connected to the through-hole.
Leading note pipeline entirety axis provided by the utility model is S-shaped, which is extended in a manner of pipe bending
The circulation distance of leading note inner air tube, so that the speaker for installing the sound guide tube be made to obtain better bass effect.
Detailed description of the invention
In order to illustrate more clearly of the technical scheme in the embodiment of the utility model, will make below to required in embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is the top view of sound guide tube provided by the embodiment of the utility model；
Fig. 2 is the top view of sound guide tube lower curved plate provided by the embodiment of the utility model；
Fig. 3 is the front view of sound guide tube lower curved plate provided by the embodiment of the utility model；
Fig. 4 is sound-box device explosive view provided by the embodiment of the utility model；
Fig. 5 is stereo set partial sectional view provided by the embodiment of the utility model, and view is top view.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 100 | Sound guide tube | 200 | Sound box |
| 110 | First tube body | 210 | Foreboard |
| 111 | First end face | 220 | Back plate |
| 112 | Second end face | 221 | Through-hole |
| 120 | Second tube body | 230 | Inner cavity |
| 130 | Third tube body | ||
| 131 | Third end face | ||
| 132 | 4th end face | ||
| 140 | Lower curved plate | ||
| 141 | Protrusion | ||
| 142 | Starting stave | ||
| 150 | Upper curved plate | ||
| 160 | Fixed structure |
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
It should also be noted that, being defined in the utility model embodiment according to the XYZ rectangular coordinate system established in Fig. 4:
It is defined as front positioned at the side of X-axis positive direction, the side positioned at X-axis negative direction is defined as rear；Positioned at the one of Y-axis positive direction
Side is defined as left, and the side positioned at Y-axis negative direction is defined as right；It is defined as top positioned at the side of Z axis positive direction, is located at
The side of Z axis negative direction is defined as lower section.
It is only phase each other it should also be noted that, the positional terms such as left and right, upper and lower in the utility model embodiment
It is reference to concept or with the normal operating condition of product, and should not be regarded as restrictive.
Embodiment one
The present embodiment provides a kind of sound guide tubes, are installed in sound box, and sound box offers outer for sound guide tube connection
The through-hole on boundary.
Please referring to Fig. 1, sound guide tube includes sequentially connected first tube body 110, the second tube body 120 and third tube body 130, and
One tube body 110 passes through through-hole 221 and is connected to extraneous, and third tube body 130 is connected to the inner cavity of sound box, the first tube body 110 and the
Three tube bodies 130 are curved pipe, and the second tube body 120 is linear pipe, the axis curvature of the first tube body 110 and third tube body 130
Center is located at the two sides of 120 axis of the second tube body.
Sound guide tube entirety axis provided in this embodiment is S-shaped, which extends sound guide tube in a manner of pipe bending
The circulation distance of interior air, so that the speaker for installing the sound guide tube be made to obtain better bass effect.
Referring once again to Fig. 1, the first tube body 110 includes the extraneous first end face 111 of connection and connect with the second tube body 120
Second end face 112, third tube body 130 includes the third end face 131 connecting with the second tube body 120 and the connect with inner cavity the 4th
End face 132, first end face 111 are vertically arranged with second end face 112, and the 4th end face 132 is vertically arranged with third end face 131, the
Biend 112 and third end face 131 are arranged in parallel.
The design of the radian of first tube body 110 and the second tube body 120 is effectively reduced air flow at high speed in sound guide tube and generates
Pneumatic noise, cause the situation of bass muddiness to occur to reduce the grating of high-speed flow and sound guide tube.
In the present embodiment, sound guide tube is made of PVC material.In other embodiments, sound guide tube may be metal or hard
Paper tube is made.Sound guide tube central role is to carry out paraphase to sound wave, and influence of the selection of material to paraphase is little, selects PVC material
Material is conducive to processing and the control of cost.
Referring to Fig.1 and 2, the first tube body 110, the second tube body 120 and third tube body 130 are by upper curved plate 150 and lower arc
Plate 140 is formed by fixedly connecting.That is, sound guide tube is formed by fixedly connecting by upper curved plate 150 and lower curved plate 140, sound guide tube presses anteroposterior position
It sets and shape is divided into the first tube body 110, the second tube body 120 and third tube body 130.Upper curved plate 150 and 140 fission of lower curved plate are set
Meter, in conjunction with aforementioned, sound guide tube is made of plastic material, and fission design and processing are convenient for the control monomer accuracy of manufacture, to improve
Sound guide tube total quality.Sound guide tube extends axis along pipeline and is divided into upper curved plate 150 and lower curved plate 140, convenient for upper curved plate 150
Die sinking production is carried out with lower curved plate 140 and contraposition splicing is fixed.
Sound guide tube further includes the contraposition knot that upper curved plate 150 and lower curved plate 140 are cooperatively connected in one of the embodiments,
Structure, aligning structure include that the first contraposition part of upper curved plate 150 is arranged in and is arranged on lower curved plate 140 to match with the first contraposition part
The the second contraposition part closed.Aligning structure is provided with conducive to the rapid-aligning of upper curved plate 150 and lower curved plate 140, and ensures arc
Plate 150 and lower curved plate 140 will not misplace in subsequent fixed connection and influence architecture quality.It is mutual that alignment mode can be setting
The clamping structure or position limiting structure of cooperation.Such as junction be arranged positioning column, or junction two sides be respectively set limited post and
Coupler construction.
In the present embodiment, after upper curved plate 150 and lower curved plate 140 are aligned and be fixed temporarily, to upper curved plate 150 and lower curved plate
140 join domain carries out ultrasonic bonding, forms sound guide tube.Using ultrasonic bonding, speed of welding is fast and stablizes, welds by force
Degree is good and will not damage workpiece, weld seam good airproof performance.
In one of the embodiments, referring to figure 2. and Fig. 3, the first contraposition part is outstanding convex to 140 direction of lower curved plate
141 are played, the second contraposition part is the groove (not shown) matched with protrusion 141.The fit structure of protrusion 141 and groove is simple,
Align good reliability.
Further, there are two convex blocks, two end faces that lower curved plate 140 is in contact with upper curved plate 150 and direction are connected to
150 direction protrusion 141 of upper curved plate.There are two grooves, is opened in two ends that upper curved plate 150 is in contact with lower curved plate 140 respectively
On face.Structure design is simple, using the sound guide tube good appearance of the design.
Further include two with Fig. 3, aligning structure referring to figure 2. in one of the embodiments, and be connected to upper curved plate
The outside plate of lower curved plate 140 is connected at left and right sides of 150 outer plate surface and to the starting stave 142 radially extended and two
At left and right sides of face and to the second riser (not shown) radially extended, face and upper curved plate of the starting stave 142 close to lower curved plate 140
150 end face is concordant, and the second riser is concordant with the end face of lower curved plate 140 close to the face of upper curved plate 150, and protrusion 141 is fixed on the
For one riser 142 towards in the plate face of lower curved plate 140, groove is opened in the second riser towards in the plate face of upper curved plate 150,.
Starting stave 142 and the second riser protrude from the appearance of the first tube body 110, the second tube body 120 and third tube body 130
Face, protrusion 141 and the second riser melt during ultrasonic bonding, and are covered on lower curved plate 140 and real with lower curved plate 140
Existing interatomic link, so that the first tube body 110, the second tube body 120 and third tube body 130 keep its integrality and improve connection
The quality of connection in region.I.e. raised 141 are not only involved in the function of contraposition, also take part in the function that welding improves quality of connection.
Protrusion 141 is coherent strip structure, is extended along backarc plate edge line direction, to ensure the airtight of entire pipeline
Property.
Fig. 1 is please referred to, sound guide tube further includes for the first tube body 110, the second tube body 120 and third tube body 130 is fixed
Fixed structure 160 on sound box.Fixed structure 160 and sound box are bolted.
Embodiment two
Referring to figure 3. and Fig. 4, the present embodiment provides a kind of speaker, including sound box 200 and it is fixed on sound box
The sound guide tube 100 in inner cavity 230 that 200 inner surfaces are enclosed.Sound box 200 includes foreboard 210 and back plate 220, foreboard
210 and back plate 220 be enclosed an inner cavity 230.Sound guide tube 100 is fixed on box house, and sound box 200 offers and leading note
Pipe 100 communicates so that sound guide tube 100 is connected to inner cavity 230 and extraneous through-hole 221, and the specific structure of sound guide tube 100 is referring to implementation
Example one.Since the sound-box device of the present embodiment uses the whole technical solutions of embodiment one, equally there is above-described embodiment
Technical solution brought by all beneficial effects, this is no longer going to repeat them.
In other embodiments, sound guide tube 100 is fixedly connected by fixed structure 160 with 200 inner surface of sound box, and is worn
Through-hole 221 is crossed, is in communication with the outside.
In one of the embodiments, referring to figure 3., it there are two sound guide tubes 100, is symmetrically arranged in inner cavity 230.Two
The design of sound guide tube 100 can further improve bass effect.
Further, sound guide tube 100 is horizontal positioned, and through-hole 221 is provided with 220 face of back plate of sound box 200 and front and back
Back plate 220 is penetrated through, the first tube body 110 is connected to through-hole 221.Through-hole 221 is opened in rear, on the one hand facilitates sound box 200
Miniaturization, be such as opened in foreboard 210, in addition open pore space need to be set to increase the ruler of cabinet because foreboard 210 is equipped with loudspeaker
It is very little；On the other hand, through-hole 221 is opened in 220 back plate of back plate, 220 face for being not easy to be seen, and facilitates the beauty of sound box 200
It sees.And with 200 Miniaturization Design of sound box, through-hole 221 is such as provided with 220 bottom plate of back plate, then because 220 bottom plate of back plate away from
Closely bass effect is influenced very much with a distance from placement platform.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modification, equivalent replacement or improvement etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of sound guide tube, is installed in sound box, the sound box is offered to be led to for sound guide tube connection is extraneous
Hole, which is characterized in that including sequentially connected first tube body, the second tube body and third tube body, first tube body passes through described
Through-hole and be connected to the external world, the third tube body is connected to the inner cavity of the sound box, first tube body and the third tube body
It is curved pipe, second tube body is linear pipe, the axis center of curvature point of first tube body and the third tube body
Not Wei Yu the second tube body axis two sides.
2. sound guide tube as described in claim 1, which is characterized in that first tube body include the extraneous first end face of connection and
The second end face being connect with second tube body, the third tube body include the third end face being connect with second tube body and with
4th end face of inner cavity connection, the first end face are vertically arranged with the second end face, the 4th end face with it is described
Third end face is vertically arranged, and the second end face and the third end face are arranged in parallel.
3. sound guide tube as described in claim 1, which is characterized in that first tube body, second tube body and the third
Tube body is formed by fixedly connecting by upper curved plate and lower curved plate.
4. sound guide tube as claimed in claim 3, which is characterized in that the sound guide tube further includes by the upper curved plate and lower curved plate
The aligning structure of mating connection, the aligning structure include be arranged in upper curved plate first contraposition part and be arranged on lower curved plate and
The second contraposition part that the first contraposition part matches.
5. sound guide tube as claimed in claim 4, which is characterized in that the first contraposition part is prominent to the lower curved plate direction
Protrusion, it is described second contraposition part be groove matched with the bulge.
6. sound guide tube as claimed in claim 5, which is characterized in that the aligning structure further includes two and is connected to arc
At left and right sides of the outer plate surface of plate and to the starting stave radially extended and two outer plate surfaces for being connected to lower curved plate or so two
Side and to the second riser radially extended, starting stave is concordant close to the face of lower curved plate and the end face of upper curved plate, and the second riser leans on
The face of nearly upper curved plate is concordant with the end face of lower curved plate, and the protrusion is fixed on the starting stave towards the plate face of the lower curved plate
On, the groove is opened in second riser towards in the plate face of the upper curved plate.
7. the sound guide tube as described in claim 3 to 6 is any, which is characterized in that the lower curved plate and the upper curved plate are by surpassing
Sound wave is welded.
8. the sound guide tube as described in claim 3 to 6 is any, which is characterized in that the lower curved plate and the upper curved plate are plastics
Material is made.
9. a kind of speaker, which is characterized in that including sound box and be fixed in the sound box inner surface is enclosed
Intracavitary sound guide tube, there are two the sound guide tubes, and the sound box, which is offered, to be communicated with the sound guide tube so that sound guide tube connects
Lead to the inner cavity and extraneous through-hole, the sound guide tube is sound guide tube as described in any of the claims 1 to 8.
10. speaker as claimed in claim 9, which is characterized in that the sound guide tube is horizontal positioned, and the through-hole is provided with described
The rear plate face and the front and back perforation back plate, first tube body of sound box are connected to the through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821936181.9U CN209017283U (en) | 2018-11-22 | 2018-11-22 | Sound guide tube and speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821936181.9U CN209017283U (en) | 2018-11-22 | 2018-11-22 | Sound guide tube and speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209017283U true CN209017283U (en) | 2019-06-21 |
Family
ID=66843000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821936181.9U Expired - Fee Related CN209017283U (en) | 2018-11-22 | 2018-11-22 | Sound guide tube and speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209017283U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114157943A (en) * | 2021-12-08 | 2022-03-08 | 深圳市拙野创意有限公司 | Diversified stereo set mounting structure and stereo set based on this structure |
-
2018
- 2018-11-22 CN CN201821936181.9U patent/CN209017283U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114157943A (en) * | 2021-12-08 | 2022-03-08 | 深圳市拙野创意有限公司 | Diversified stereo set mounting structure and stereo set based on this structure |
| CN114157943B (en) * | 2021-12-08 | 2024-03-19 | 深圳市拙野创意有限公司 | Multidirectional sound installation structure and sound based on same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205123958U (en) | Microphone sound cavity configuration and earphone | |
| CN209017283U (en) | Sound guide tube and speaker | |
| WO2020228472A1 (en) | Loudspeaker and terminal device | |
| CN103929693A (en) | Sound wave transmitting device | |
| CN204316715U (en) | The symmetrical resonance sound box of two film | |
| CN205726399U (en) | Speaker module | |
| CN207304842U (en) | A kind of exhaust structure for earphone ante-chamber | |
| CN220087466U (en) | Binary channels asymmetric plane wave conduit bugle | |
| WO2019024470A1 (en) | Sounder module | |
| CN219248033U (en) | Earphone cavity structure capable of optimizing high-frequency response | |
| WO2020220713A1 (en) | Sound production device and electronic product | |
| CN207235087U (en) | A kind of linear array speaker for being used for the academic cinema of business | |
| CN205510387U (en) | Loudspeaker | |
| CN107820148A (en) | A kind of stereo set for effectively avoiding uttering long and high-pitched sounds | |
| CN209608835U (en) | A kind of phase-reversing tube speaker | |
| CN204795477U (en) | Inverted tube and audio amplifier | |
| WO2020151681A1 (en) | Bass-reflex speaker device | |
| CN208402116U (en) | A kind of loudspeaker housing and its loudspeaker orienting sounding | |
| CN219872869U (en) | Small clarion | |
| CN205213042U (en) | Loudspeaker module group | |
| CN204741544U (en) | In -ear earphone | |
| CN202261761U (en) | Medium and long span acoustic structure | |
| CN208987134U (en) | Dynamic swage group and earphone | |
| CN218701046U (en) | Integrative injection mold cooling system of glue iron | |
| CN206195990U (en) | Simple and easy high -fidelity device of computer microphone |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190621 Termination date: 20201122 |