CN114094390A - Large-tolerance blind-mate connector and cavity filter - Google Patents
Large-tolerance blind-mate connector and cavity filter Download PDFInfo
- Publication number
- CN114094390A CN114094390A CN202111334105.7A CN202111334105A CN114094390A CN 114094390 A CN114094390 A CN 114094390A CN 202111334105 A CN202111334105 A CN 202111334105A CN 114094390 A CN114094390 A CN 114094390A
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- blind
- tolerance
- connector
- mate
- pin
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- 238000003780 insertion Methods 0.000 claims description 16
- 239000004020 conductor Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 3
- 238000002788 crimping Methods 0.000 description 5
- 230000001154 acute effect Effects 0.000 description 3
- 230000037431 insertion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
- H01R13/6315—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only allowing relative movement between coupling parts, e.g. floating connection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/207—Hollow waveguide filters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/005—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure requiring successive relative motions to complete the coupling, e.g. bayonet type
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention relates to a large-tolerance blind-mate connector which comprises a blind-mate through hole and a pin seat, wherein a contact pin at the top end of the pin seat is plugged into the tail end of the blind-mate through hole, so that the blind-mate through hole can obliquely move along the axial direction and the radial direction of the pin seat. According to the large-tolerance blind-mate connector, the blind-mate through and the pin seat are designed in a split mode, so that the blind-mate through can be slightly inclined up and down and left and right along the pin seat within a certain range, and the tolerance capacity is improved; when coaxiality deviation exists between the upper port connector of the cover plate and the fixing hole in the cavity, the port connector and the tap piece can be connected, and the product percent of pass is guaranteed.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of mobile communication, in particular to a large-tolerance blind-mate connector and a cavity filter.
[ background of the invention ]
In order to prevent signal leakage at the output port of the rf cavity filter, a blind-mate connector has been developed in recent years, and the blind-mate connector is used at the output port of the cavity filter, as shown in fig. 1, the mounting sequence is as follows: the blind plug connector 9 is pressed on the cavity 1, the tail end of the blind plug connector is inserted into the tap piece 10 and then is pressed on the connecting column in the cavity 1, the port connector 8 is prefabricated on the cover plate 2 in a threaded screwing mode, the prefabricated semi-finished cover plate 2 is assembled on the cavity 1, and during assembly, a contact pin at the tail end of the port connector 8 can be in blind plug connection with a jack at the top end of the blind plug connector 9 pressed in the cavity 1. Although the structure is simple, because the blind-mate connector 9 is pressed into the cavity 1 by interference and is in a fastening state, the port connector 8 is screwed on the cover plate 2 by screw threads, and the tolerance capability between the two is not good, and only depends on the elastic tolerance of the material of the blind-mate connector 9, and the tolerance capability is very limited. And the port connector 8 of apron 2 and the interior fixed orifices of cavity 1 have the axiality deviation unavoidably between, so in the actual production process, this scheme can cause the product defective rate higher because the axiality deviation is greater than blind plug connector's tolerance ability.
Therefore, it is desirable to provide a blind-mate connector with a novel structure, which can increase the tolerance capability and reduce the product reject ratio.
[ summary of the invention ]
The invention aims to provide a large-tolerance blind-mate connector and a cavity filter, which can increase the tolerance capability and reduce the reject ratio of products.
In order to solve the technical problem, the invention provides a large-tolerance blind-mate connector which comprises a blind-mate through hole and a pin seat, wherein a pin at the top end of the pin seat is plugged into the tail end of the blind-mate through hole, so that the blind-mate through hole can obliquely move along the axial direction and the radial direction of the pin seat.
Further, the blind-mate feedthrough includes a feedthrough medium and a receptacle axially inserted into the feedthrough medium; the pin base comprises a base body and a pin which is axially inserted into the base body and extends out of the surface of the base body for a certain distance; the top end of the contact pin is inserted into the tail end of the jack.
Furthermore, the jack is the shape of a hollow cylinder, a plurality of equidistant grooves are formed in the two ends of the jack, an outwards convex first barb is arranged in the middle of the side wall of the jack, and the first barb is in interference fit with the blind-plugging through inner hole.
Furthermore, the pin inserts and is equipped with outside convex second barb on the spliced pole of pedestal, the second barb with the hole interference fit of pedestal.
Further, the first barb may be formed of one or more annular acute projections.
Still further, the second barb may be comprised of one or more annular acute projections.
Furthermore, the contact pin is made of an inelastic metal conductive material; the jack is made of a metal conductive material with elasticity.
Furthermore, the through medium and the seat body are made of insulating materials.
In order to solve the technical problem, the invention further provides a cavity filter, which comprises a cavity, a cover plate connected with the cavity, a port connector fixed on the cover plate, a tap piece, a resonance column and a filtering unit arranged in the cavity, and a large-tolerance blind-mate connector located in the cavity, wherein the top end of the large-tolerance blind-mate connector is connected with the port connector, and the tail end of the large-tolerance blind-mate connector is connected with the tap piece.
Furthermore, the top end of the blind-plugging through of the large-tolerance blind-plugging connector is in blind-plugging connection with the port connector; and the tail end of the pin seat of the large-tolerance blind-mate connector is welded and connected with the tap piece.
Compared with the prior art, the invention has the following beneficial effects: according to the large-tolerance blind-mate connector, the blind-mate through and the pin seat are designed in a split mode, so that the blind-mate through can be slightly inclined up and down and left and right along the pin seat within a certain range, and the tolerance capacity is improved; when coaxiality deviation exists between the upper port connector of the cover plate and the fixing hole in the cavity, the port connector and the tap piece can be connected, and the product percent of pass is guaranteed.
[ description of the drawings ]
Fig. 1 is a sectional view of a cavity filter using a conventional blind-mate connector;
FIG. 2 is a cross-sectional view of a blind mate connector according to an embodiment of the present invention;
fig. 3 is an exploded view of a blind mate connector according to an embodiment of the present invention;
fig. 4 is a cross-sectional view of a blind mate connector of an embodiment of the present invention used in a cavity filter.
Description of reference numerals: 1. a cavity; 2. a cover plate; 3. a nut; 4. a tuning screw; 5. a resonant column; 6. a screw; 7. a filtering unit; 8. a port connector; 9. a blind-mate connector; 10. tapping pieces; 11. blind plugging and straight-through; 12. a jack; 13. a needle head; 14. inserting a pin; 15. a needle inserting seat; 16. a groove; 17. a first barb; 18. a straight-through medium; 19. connecting columns; 20. a second barb; 21. a base body; 22. crimping holes; 23. a fixing hole; 24. a pin of the port connector.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the embodiments of the present invention, unless otherwise specified, the use of the terms of orientation such as "upper, lower, left, right, front, and rear" generally means upper, lower, left, right, front, and rear in the drawings, and "inner" and "outer" mean inner and outer with respect to the outline of the component.
As shown in fig. 2 and 3, the large-tolerance blind-mate connector according to the embodiment of the present invention includes a blind-mate through hole 11 and a plug seat 15, wherein a tip end needle 13 of the plug seat 15 is inserted into a tail end of the blind-mate through hole 11, so that the blind-mate through hole 11 can tilt and move in the axial direction and the radial direction of the plug seat 15.
Specifically, the blind-mate through 11 is a hollow cylinder structure, and may be a cylinder, an elliptical cylinder, a triangular cylinder, a cube, a hexagonal cylinder, or other geometric solid shapes, and may be set by a person skilled in the art according to actual conditions. The needle inserting seat 15 is a T-shaped structure with a needle at one end or a middle-shaped structure with needles at both ends.
The needle head at the top end of the needle inserting seat 15 is inserted into the tail end of the blind inserting through hole 11 in an inserting mode. The inner hole of the blind-insertion through hole 11 has certain elasticity, and the diameter of the blind-insertion through hole is larger than or equal to the diameter of the needle head, so that the blind-insertion through hole 11 can slightly tilt and move along the axial direction and the radial direction of the needle inserting seat 15.
In the embodiment of the invention, the blind insertion through hole 11 and the needle seat 15 are designed to be split structures. Specifically, blind-mate feedthrough 11 includes feedthrough medium 18 and receptacle 12 that is inserted axially into the interior of feedthrough medium 18.
Specifically, the whole hollow cylinder shape that is of jack 12, the both ends of jack 12 are equipped with the equidistant recess 16 of a plurality of, and the centre of jack 12 is equipped with outside convex first barb 17, first barb 17 and the hole interference fit who leads to medium 18. Wherein the first barbs 17 may consist of one or more annular acute projections.
Through the interference fit of the first barb 17 and the inner hole of the through medium 18, the axial retention force of the jack 12 in the through medium 18 is increased, and the jack 12 is ensured not to be displaced when the blind-plugging through hole 11 is plugged with the jack seat 15 and the port connector 8 and is stressed.
In the present embodiment, the pin receptacle 15 includes a receptacle body 21 and a pin 14 axially inserted into the receptacle body 21 and extending outwardly a distance beyond the surface of the receptacle body 21. The top ends of pins 14 engage the tail ends of sockets 12.
Specifically, two ends of the inserting pin 14 are both needle heads extending out of the surface of the seat body 21, a connecting column 19 of the inserting pin 14 inserted into an inner hole of the seat body 21 is provided with a second barb 20 protruding outwards, and the second barb 20 is in interference fit with the inner hole of the seat body 21. Wherein, the second barb 20 may be composed of one or more annular acute-angled protrusions.
The first barb 17 and the second barb 20 may be formed by protrusions of other shapes, and the requirement of interference fit is met.
In addition, the diameter of the seat body 21 is slightly larger than that of the through medium 18, when the plug pin seat 15 is inserted into the cavity filter, the seat body 21 and the crimping hole 22 form interference fit, and when the blind-plugging through 11 is inserted into the cavity filter, the through medium 18 and the crimping hole 22 form clearance fit, so that the blind-plugging through 11 can be axially and radially slightly inclined and moved in the crimping hole 22.
In the embodiment of the present invention, the through medium 18 and the seat 21 are made of insulating materials. The pin 14 is made of a non-elastic metal conductive material, and the socket 12 is made of a metal conductive material having elasticity. Due to the elasticity of the plug 12, the plug can be plugged into the through medium 18 more conveniently.
Furthermore, in order to facilitate the blind-mating connection between the blind-mating through hole 11 and the plug seat 14, the top end of the needle 13 is further provided with a guide angle as a guide for the blind-mating connection between the plug 14 and the insertion hole 12, so as to facilitate the assembly of the two.
In the present embodiment, after the blind-insertion through-hole 11 is blind-inserted into the needle seat 14, the blind-insertion through-hole 11 can move in the axial direction of 1mm (i.e., the Y direction shown in fig. 2) and tilt in the radial direction of ± 4 ° (i.e., the X direction shown in fig. 2). Of course, the person skilled in the art can set the angle and distance of the tilting movement to other values according to the actual situation, without affecting the implementation of the present invention.
Although the blind through-insertion hole 11 and the needle seat 15 are separate structures in the present embodiment, those skilled in the art may design the blind through-insertion hole 11 and the needle seat 15 as an integrated structure according to actual conditions, without affecting the implementation of the present invention.
Referring again to fig. 4, a cross-sectional view of a large tolerance blind mate connector according to an embodiment of the present invention is shown in use with a conventional cavity filter. The cavity filter comprises a cavity 1, a cover plate 2 connected with the cavity 1, a port connector 8 and a tuning screw rod 4 which are fixed on the cover plate 2, a tap piece 10, a resonance column 5 and a filtering unit 7 which are arranged in the cavity 1, and a large-tolerance blind-mate connector which is positioned in the cavity 1 and is provided with a top end connection port connector 8 and a tail end connection tap piece 10.
The assembly process of the cavity filter using the large tolerance blind-mate connector of the present embodiment is: firstly, the resonance post 5 and the tap piece 10 connected with the resonance post 5 are installed in the cavity 1 through the screw 6, and then the filter unit 7 is connected with the tap piece 10 and fixed in the cavity 1. Meanwhile, the other section of the tap piece 10 is welded with the tail end of the needle seat 14 and then fixed on the connecting column, and the needle seat 14 is pressed in the pressing hole 22 in an interference manner. And the blind-insertion through hole 11 is inserted on the needle inserting seat 14 in a blind manner, and a gap is reserved between the blind-insertion through hole 11 and the crimping hole 22 and can move in a small-amplitude inclined manner along the axial direction and the radial direction.
The port connector 8 and tuning screw 4 are then secured to the cover plate 2. Finally, the prefabricated cover plate 2 is installed on the cavity 1, and the inserting pin 24 at the tail end of the port connector 8 is in blind-plugging connection with the top end of the blind-plugging through hole 11. Therefore, if a coaxiality error exists between the port connector 8 and the fixing hole 23, namely the inserting pin 24 of the port connector 8 is not coaxial with the fixing hole 23 on the connecting column, when a certain deviation exists, the error can be eliminated through the axial and radial small-amplitude inclined movement of the blind-insertion through hole 11, and the product percent of pass is ensured.
In conclusion, the large-tolerance blind-mate connector provided by the embodiment of the invention has the advantages that the blind-mate through hole and the pin seat are designed in a split mode, so that the blind-mate through hole can be slightly inclined up and down and left and right along the pin seat within a certain range, and the tolerance capability is improved; when coaxiality deviation exists between the upper port connector of the cover plate and the fixing hole in the cavity, the port connector and the tap piece can be connected, and the product percent of pass is guaranteed.
The above examples merely represent preferred embodiments of the present invention, which are described in more detail and detail, but are not to be construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications, such as combinations of different features in various embodiments, may be made without departing from the spirit of the invention, and these are within the scope of the invention.
Claims (10)
1. A large tolerance blind mate connector, comprising: the blind-insertion straight-through type pin inserting device comprises a blind-insertion straight-through and a pin inserting seat, wherein a pin at the top end of the pin inserting seat is inserted into the tail end of the blind-insertion straight-through, so that the blind-insertion straight-through can obliquely move along the axial direction and the radial direction of the pin inserting seat.
2. The large tolerance blind mate connector of claim 1, wherein: the blind-plugging straight-through comprises a straight-through medium and a jack axially inserted into the straight-through medium; the pin base comprises a base body and a pin which is axially inserted into the base body and extends out of the surface of the base body for a certain distance; the top end of the contact pin is inserted into the tail end of the jack.
3. The large tolerance blind mate connector of claim 2, wherein: the jack is the cavity cylindricality shape, the both ends of jack are equipped with the equidistant recess of a plurality of, the centre of jack lateral wall is equipped with outside convex first barb, first barb with blind plugging through hole interference fit.
4. The large tolerance blind mate connector of claim 2, wherein: the pin inserts and is equipped with outside convex second barb on the spliced pole of pedestal, the second barb with the hole interference fit of pedestal.
5. The large tolerance blind mate connector of claim 3, wherein: the first barb is composed of one or more annular acute-angled protrusions.
6. The large tolerance blind mate connector of claim 4, wherein: the second barb is composed of one or more annular acute-angle bulges.
7. The large tolerance blind mate connector of claim 2, wherein: the contact pin is made of an inelastic metal conductive material; the jack is made of a metal conductive material with elasticity.
8. The large tolerance blind mate connector of claim 2, wherein: the through medium and the seat body are made of insulating materials.
9. A cavity filter, characterized in that: the large-tolerance blind-mate connector comprises a cavity, a cover plate connected with the cavity, a port connector fixed on the cover plate, a tap sheet, a resonant column and a filtering unit arranged in the cavity, and the large-tolerance blind-mate connector is located in the cavity, the top end of the large-tolerance blind-mate connector is connected with the port connector, and the tail end of the large-tolerance blind-mate connector is connected with the tap sheet.
10. The cavity filter of claim 9, wherein: the top end of the blind plugging through of the large-tolerance blind plugging connector is connected with the port connector in a blind plugging way; and the tail end of the pin seat of the large-tolerance blind-mate connector is welded and connected with the tap piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111334105.7A CN114094390B (en) | 2021-11-11 | 2021-11-11 | Large-tolerance blind-mate connector and cavity filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111334105.7A CN114094390B (en) | 2021-11-11 | 2021-11-11 | Large-tolerance blind-mate connector and cavity filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114094390A true CN114094390A (en) | 2022-02-25 |
| CN114094390B CN114094390B (en) | 2024-07-16 |
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| CN202111334105.7A Active CN114094390B (en) | 2021-11-11 | 2021-11-11 | Large-tolerance blind-mate connector and cavity filter |
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