CN208849898U - A kind of Novel glue core assembly for tuner - Google Patents
A kind of Novel glue core assembly for tuner Download PDFInfo
- Publication number
- CN208849898U CN208849898U CN201821864627.1U CN201821864627U CN208849898U CN 208849898 U CN208849898 U CN 208849898U CN 201821864627 U CN201821864627 U CN 201821864627U CN 208849898 U CN208849898 U CN 208849898U
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- CN
- China
- Prior art keywords
- hollow cylinder
- cylinder portion
- needle core
- upper cover
- packing element
- 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
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Abstract
The utility model discloses a kind of Novel glue core assemblies for tuner, including upper cover, packing element, needle core and reed, upper cover and the splicing of packing element level are fixed, and reed is accommodated in packing element, one end of needle core is fixedly connected with reed, and the other end of needle core is pierced by from upper cover；Upper cover includes the first hollow cylinder portion set gradually from the near to the distant from packing element, hollow centrum portion and the second hollow cylinder portion, the external dimensions in the second hollow cylinder portion is greater than the inside dimension in the first hollow cylinder portion less than the external dimensions in the first hollow cylinder portion and the inside dimension in the second hollow cylinder portion, the hollow interior cross section in the first hollow cylinder portion and the cross section of needle core are circle, needle core passes through the first hollow cylinder portion and is interference fitted with the first hollow cylinder portion, cylindrical needle core is unlikely to deform, it is easy welding, faster to wiring board hole location, and the needle core hole on wiring board matches more preferably with cylindrical needle core electrical characteristics, closer to 75 ohm.
Description
Technical field
The utility model relates to tuner technical fields, relate more specifically to a kind of Novel glue core group for tuner
Part.
Background technique
Tuner is that television set is used to receive high-frequency signal and demodulates a kind of device of video information, height used at present
Frequency head is generally divided into digital signal tuner (digit tuner) and analog signal tuner (simulation tuner).The work of tuner
Faint vision signal amplified with being exactly, and to transmitting at unstable caused anamorphose and interference
Reason.
Usual tuner includes waveguide, circuit board and the glue core assembly with circuit board electrical connection, as shown in Figure 1, existing
Glue core assembly in technology is made of upper cover 1 ', packing element 2 ', reed 3 ' and needle core 4 ', and wherein upper cover 1 ' is connected to glue by detent
Cylinder 2 ' realizes the connection of upper cover 1 ' and packing element 2 ', and assembly difficulty is higher, is unfavorable for automated production, and the upper cover 1 ' of this structure
Need dispensing just waterproof with the junction of needle core 4 ', time-consuming and laborious, waterproof performance is relatively difficult to guarantee.In addition, the glue core assembly
Needle core be it is flat, be easily deformed, be unfavorable for welding.
Utility model content
In order to solve the deficiencies in the prior art, the utility model provides a kind of sealing grade height and welding is simple
Novel glue core assembly for tuner.
The utility model technical effect to be achieved is realized by following scheme: a kind of Novel glue core for tuner
Component, including upper cover, packing element, needle core and reed, the upper cover and the splicing of packing element level are fixed, and reed is accommodated in packing element,
One end of needle core is fixedly connected with reed, and the other end of needle core is pierced by from upper cover；The upper cover include from packing element from the near to the distant according to
The first hollow cylinder portion, hollow centrum portion and the second hollow cylinder portion of secondary setting, the external ruler in second hollow cylinder portion
It is very little to be greater than the first hollow cylinder portion less than the external dimensions in the first hollow cylinder portion and the inside dimension in the second hollow cylinder portion
Inside dimension, wherein the hollow interior cross section in first hollow cylinder portion and the cross section of needle core are circle, the needle
Core passes through the first hollow cylinder portion and is interference fitted with the first hollow cylinder portion.
Preferably, offered in the packing element accommodate reed the first cavity, packing element towards upper cover open at one end for spring
Piece insertion.
Preferably, the needle core is formed with reed stamping riveting.
Preferably, the material of the upper cover is PE material.
Preferably, the material of the packing element is PP material or ABS material.
Preferably, the material of the reed is that stainless steel is tin plating or the tin plating material of copper.
Preferably, the material of the needle core is that copper is tin plating or the tin plating material of iron.
The utility model has the advantage that
1, by the way that the cross section of the hollow interior cross section in the first hollow cylinder portion and needle core to be set as being round knot
Structure, needle core and upper cover interference fit realize sealing, and cylindrical needle core is unlikely to deform, and are easy welding, faster to wiring board hole location,
And the needle core hole on wiring board matches more preferably with cylindrical needle core electrical characteristics, closer to 75 ohm；
2, by only contacting needle core with the first hollow cylinder portion, make the second hollow cylinder portion and hollow centrum portion to needle core
It without active force, can preferably guarantee the stress surface between needle core and upper cover, reduce the stress surface of needle core, needle core pressure
Increase, assembly is simple, seals good waterproof performance；
3, more complete by that can be inserted into the extension of packing element coaxial line with fit demand, remain unchanged shape.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of glue core assembly in the prior art；
Fig. 2 is a kind of schematic cross-sectional view of the Novel glue core assembly for tuner in the utility model；
Fig. 3 is the schematic cross-sectional view of glue core assembly and shell assembly in the utility model.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and examples, the examples of the embodiments are in attached drawing
In show, in which the same or similar labels are throughly indicated same or similar elements or with the same or similar functions
Element.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to for explaining the utility model, and cannot understand
For limitations of the present invention.
In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on
Orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
The limitation of the utility model.
In addition, term " first ", " second ", " third " are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic." first ", " second ", " third " are defined as a result,
Feature can explicitly or implicitly include one or more this feature." multiple " contain in the description of the present invention,
Justice is two or more, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
Calmly ", the terms such as " setting " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also may be used also indirectly connected through an intermediary
To be the interaction relationship of connection or two elements inside two elements.For the ordinary skill in the art,
The concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
As shown in Fig. 2, the utility model embodiment provides a kind of glue core assembly for tuner, including upper cover 1, packing element
2, needle core 3 and reed 4, the upper cover 1 and packing element 2 are whole in hollow tubular structure, and upper cover 1 and the horizontal splicing of packing element 2 are solid
Fixed, reed 4 is accommodated in packing element 2, and one end of needle core 3 is fixedly connected with reed 4, and the other end of needle core 3 is pierced by from upper cover 1.
Specifically, the first cavity for accommodating reed 4, open at one end of the packing element 2 towards upper cover 1 are offered in the packing element 2
It is inserted into for reed 4；The upper cover 1 includes the first hollow cylinder portion 11 set gradually from the near to the distant from packing element 2, hollow centrum portion
12 and the second hollow cylinder portion 13, the outside of the external dimensions in second hollow cylinder portion 13 less than the first hollow cylinder portion 11
Size and the inside dimension in the second hollow cylinder portion 13 are greater than the inside dimension in the first hollow cylinder portion 11, wherein described first
The hollow interior cross section in hollow cylinder portion 11 and the cross section of needle core 3 are circle, and the needle core 3 passes through the first hollow cylinder
Portion 11 is simultaneously interference fitted with the first hollow cylinder portion 11.By only contacting needle core 3 with the first hollow cylinder portion 11, make the second sky
Heart trunk portion 13 and hollow centrum portion 12, without active force, can preferably guarantee the stress between needle core 3 and upper cover 1 to needle core 3
Face reduces the stress surface of needle core 3, and 3 pressure of needle core increases, the good airproof performance between needle core 3 and upper cover 1, and assembly is simple.Together
When, the second hollow cylinder portion 13, since internal space is big, can be inserted into following shells for upper cover 1 and reserve with conulite portion
The alternating compression space of lid 1.
In the utility model, the needle core 3 is formed with 4 stamping riveting of reed.The reed 4 of the utility model is conventional knot
Structure, by both ends, bending is formed in the same direction, has elasticity after 4 bending of reed, and reed 4 is inserted into from the open end of packing element 2, packing element
2 inner sidewall squeezes the bending point of reed 4, to guarantee the pulling-inserting force of reed 4.
In the utility model, by by the transversal of the hollow interior cross section in the first hollow cylinder portion 11 and the needle core 3
Face is set as being circular configuration, and needle core 3 and the interference fit of upper cover 1 realize sealing, and cylindrical needle core 3 is unlikely to deform, and is easy
Welding, needle core hole faster to wiring board hole location, and on wiring board matches more preferably with cylindrical 3 electrical characteristics of needle core, closer
75 ohm.With the rectangular needle core of the prior art compared with the junction of upper cover needs dispensing to can be only achieved water-proof function, structure is simpler
It is single, it is easier to assemble, be conducive to automated production, better tightness, waterproofing grade reaches IP-67 or more.And rectangular needle core is such as
Fruit be it is flat, then be easily deformed, be unfavorable for welding.
The material of upper cover 1 described in the utility model is preferably PE material, the material of the packing element 2 be preferably PP material or
Person's ABS material, the material of the reed 4 are preferably the tin plating material of stainless steel or the tin plating material of copper, and the material of the needle core 3 is excellent
It is selected as the tin plating material of copper or the tin plating material of iron.
The glue core assembly of the utility model also with 100 close fit group plastic core assembling structure of shell.As shown in figure 3, institute
Shell 100 is stated also in hollow cylindrical, is set on upper cover 1 and packing element 2, and the encirclement to upper cover 1 and packing element 2 and close is formed
Envelope.Specifically, offering the third for accommodating the second cavity 110 of upper cover 1 and packing element 2 and being pierced by for needle core 3 in the shell 100
Cavity 120, second cavity 110 are connected to third cavity 120, wherein the upper cover 1 and the interference fit of shell 100 are realized
Sealing waterproof between lid 1 and shell 100, prevents external moisture from entering in third cavity 120.As shown in figure 3, upper cover 1 with
Outer surface of the position that shell 100 is interference fitted in the first hollow cylinder portion 11, the position of upper cover 1 and the interference fit of needle core 3
Inner surface in the first hollow cylinder portion 11, in this way, the pressure can when upper cover 1 and the interference fit of shell 100 generate pressure
Further the contact surface between upper cover 1 and needle core 3 is squeezed, further increases the leakproofness between upper cover 1 and needle core 3
Energy.Therefore, the utility model passes through close-fitting generation pressure between upper cover 1 and shell 100, makes close between shell 100 and upper cover 1
Cooperation, while being fitted close between upper cover 1 and needle core 3, waterproofing grade reaches IP-67 or more.
When the glue core assembly assembly of the utility model, first one end of needle core 3 and 4 stamping riveting of reed are fixed, then by needle
The one end of core 3 far from reed 4 is inserted into out of upper cover 1 the first hollow cylinder portion 11, until the first hollow cylinder portion 11 and reed 4
It abuts, then one end by reed 4 far from needle core 3 is inserted into upper cover 1 from the open end of packing element 2 and packing element 2 abuts against and realizes upper cover 1
With the splicing of packing element 2, finally the component that upper cover 1, packing element 2, needle core 3 and reed 4 assemble is inserted into outside from the one end for having needle core 3
Second cavity 110 of shell 100, until upper cover 1 and packing element 2 are accommodated in the second cavity 110 of shell 100, needle core 3 is pierced by the
Three cavitys 120, the inner sidewall interference of the first cavity of the lateral wall and shell 100 of upper cover 1 abut realization sealing assembly.
In the utility model, the length of the packing element 2 can be 12.6mm ± 0.5mm, and the length range of upper cover 1 can be
4.2mm-9.7mm, the external dimensions range of the first cavity of upper cover 1 are 7.0mm-7.4mm, the packing element 2 compared with conventional structure
Length is extended, and the insertion of coaxial line can be kept more complete with fit demand in this way, be remained unchanged shape.Can also according to institute
The coaxial line length that need to be inserted into, designs the length of reed 4 and packing element 2, and the length of the glue core is the length and upper cover 1 of packing element 2
The sum of length.
When the extension of packing element 2, the length of reed 4 can also extend therewith, it is preferable that the length and packing element 2 of reed 4
The length adaptation of interior first cavity, the extension of 4 length of reed are more advantageous to the contact of packing element 2 with reed 4.
The glue core assembly of the utility model realizes upper cover 1 and needle by upper cover 1 and needle core 3 interference fit of above structure
The sealing of core 3, good airproof performance and assembly are simply.
Finally, it should be noted that above embodiments be only to illustrate the technical solution of the embodiment of the present invention rather than to its into
Row limitation, although the embodiment of the present invention is described in detail referring to preferred embodiment, those skilled in the art
It should be understood that the technical solution of the embodiment of the present invention can be still modified or replaced equivalently, and these are modified or wait
The range of modified technical solution disengaging technical solution of the embodiment of the present invention cannot also be made with replacement.
Claims (7)
1. a kind of Novel glue core assembly for tuner, including upper cover, packing element, needle core and reed, which is characterized in that on described
Lid is fixed with the splicing of packing element level, and reed is accommodated in packing element, and one end of needle core is fixedly connected with reed, the other end of needle core
It is pierced by from upper cover；The upper cover includes the first hollow cylinder portion set gradually from the near to the distant from packing element, hollow centrum portion and
The external dimensions in two hollow cylinder portions, second hollow cylinder portion is empty less than the external dimensions in the first hollow cylinder portion and second
The inside dimension of heart trunk portion be greater than the first hollow cylinder portion inside dimension, wherein first hollow cylinder portion it is hollow
The cross section of internal cross section and needle core is circle, the needle core wear the first hollow cylinder portion and with the first hollow cylinder portion
Interference fit.
2. a kind of Novel glue core assembly for tuner as described in claim 1, which is characterized in that opened up in the packing element
There is the first cavity for accommodating reed, the open at one end of packing element towards upper cover is inserted into for reed.
3. a kind of Novel glue core assembly for tuner as described in claim 1, which is characterized in that the needle core and reed
Stamping riveting is formed.
4. a kind of Novel glue core assembly for tuner as described in any one of claims 1-3, which is characterized in that on described
The material of lid is PE material.
5. a kind of Novel glue core assembly for tuner as described in any one of claims 1-3, which is characterized in that the glue
The material of cylinder is PP material or ABS material.
6. a kind of Novel glue core assembly for tuner as described in any one of claims 1-3, which is characterized in that the spring
The material of piece is that stainless steel is tin plating or the tin plating material of copper.
7. a kind of Novel glue core assembly for tuner as described in any one of claims 1-3, which is characterized in that the needle
The material of core is that copper is tin plating or the tin plating material of iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821864627.1U CN208849898U (en) | 2018-11-13 | 2018-11-13 | A kind of Novel glue core assembly for tuner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821864627.1U CN208849898U (en) | 2018-11-13 | 2018-11-13 | A kind of Novel glue core assembly for tuner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208849898U true CN208849898U (en) | 2019-05-10 |
Family
ID=66376999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821864627.1U Expired - Fee Related CN208849898U (en) | 2018-11-13 | 2018-11-13 | A kind of Novel glue core assembly for tuner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208849898U (en) |
-
2018
- 2018-11-13 CN CN201821864627.1U patent/CN208849898U/en not_active Expired - Fee Related
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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: 20190510 Termination date: 20211113 |