CN108364810B - Dual-mode change-over switch for communication antenna and assembling method thereof - Google Patents
Dual-mode change-over switch for communication antenna and assembling method thereof Download PDFInfo
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- CN108364810B CN108364810B CN201810252440.4A CN201810252440A CN108364810B CN 108364810 B CN108364810 B CN 108364810B CN 201810252440 A CN201810252440 A CN 201810252440A CN 108364810 B CN108364810 B CN 108364810B
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- pcb
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- plastic base
- buckling
- positioning guide
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000002184 metal Substances 0.000 claims abstract description 73
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 20
- 239000000741 silica gel Substances 0.000 claims description 20
- 229910002027 silica gel Inorganic materials 0.000 claims description 20
- 230000003014 reinforcing effect Effects 0.000 claims description 19
- 230000007246 mechanism Effects 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- CEOCDNVZRAIOQZ-UHFFFAOYSA-N pentachlorobenzene Chemical compound ClC1=CC(Cl)=C(Cl)C(Cl)=C1Cl CEOCDNVZRAIOQZ-UHFFFAOYSA-N 0.000 claims 9
- 230000009977 dual effect Effects 0.000 claims 6
- JAYCNKDKIKZTAF-UHFFFAOYSA-N 1-chloro-2-(2-chlorophenyl)benzene Chemical compound ClC1=CC=CC=C1C1=CC=CC=C1Cl JAYCNKDKIKZTAF-UHFFFAOYSA-N 0.000 description 11
- 101100084627 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) pcb-4 gene Proteins 0.000 description 11
- 238000005457 optimization Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000003351 stiffener Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 150000003071 polychlorinated biphenyls Chemical group 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
- H01H1/5805—Connections to printed circuits
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Push-Button Switches (AREA)
- Radio Transmission System (AREA)
Abstract
A dual-mode change-over switch for a communication antenna and an assembling method thereof comprise a plastic base and a PCB, wherein a clamping groove and at least one clamping post are arranged on one surface of the plastic base, and a metal switch sheet is arranged in the clamping groove; the front of the PCB is provided with metal lines which are not communicated with each other, and the PCB is also provided with positioning guide holes corresponding to the number and the positions of the buckling columns, so that the plastic base is connected with the PCB after the buckling columns on the plastic base pass through the positioning guide holes. According to the invention, the plastic base is moved to two different positions, so that the plastic base drives the metal switch sheet to connect three metal wires which are not communicated with each other into two different passages, thereby forming two modes, realizing the switching of the two modes, having the advantages of simple structure and low cost, and being capable of easily realizing the switching between the two different modes.
Description
Technical Field
The invention relates to an antenna in the field of electronic communication, in particular to a dual-mode change-over switch for a communication antenna and an assembly method thereof.
Background
In order to upgrade and reform a telecommunication network conveniently and rapidly after several years, a terminal telecommunication operator requires that a communication antenna can be switched between two modes.
Disclosure of Invention
The invention aims to provide a dual-mode change-over switch for a communication antenna and an assembly method thereof, wherein the dual-mode change-over switch is relatively simple in structure and operation, and can easily realize the switching between two different modes.
The technical scheme adopted by the invention for realizing the technical purposes is as follows: a dual-mode change-over switch for a communication antenna comprises a plastic base and a PCB, wherein a clamping groove and at least one clamping post are arranged on one surface of the plastic base, and a metal switch sheet is arranged in the clamping groove; the front surface of the PCB is provided with metal lines which comprise three metal lines not communicated with each other, and positioning guide holes corresponding to the number and the positions of the buckling columns are also formed in the PCB, so that the plastic base is connected with the PCB after the buckling columns on the plastic base pass through the positioning guide holes; the positioning guide hole extends in the length direction, so that the buckling column has a sliding allowance in the positioning guide hole, and when the buckling column slides to two different positions of the positioning guide hole, the metal switch sheet on the plastic base respectively communicates two of the three metal wires to form two different passages, so that switching of two modes is realized.
As a preferred embodiment of the invention, the metal circuit comprises an input wiring at the middle part of the PCB, an output circuit I and an output circuit II are arranged at two sides of the input wiring, the output circuit I and the output circuit II are not communicated with each other, and the input wiring is communicated with the output circuit I or the input wiring is communicated with the output circuit II through a movable metal switch sheet, so that the switching of two modes is realized.
As another preferred embodiment of the invention, two positioning posts are arranged at different positions in the clamping groove and are matched with positioning holes arranged on the metal switch sheet, so that the metal switch sheet is fixed in the clamping groove.
As another preferred embodiment of the invention, the free end of the buckling post is provided with a bulge with the outer diameter larger than the diameter of the bulge, the middle part of the buckling post is provided with an open slot along the direction from the free end to the other end of the buckling post, the open slot divides the buckling post into two parts, so that the two parts can be folded towards the open slot under the action of external force to reduce the diameter of the buckling post, and the free end of the buckling post can rebound after passing through a positioning guide hole on the PCB board, so that the plastic base and the PCB board are connected.
As another preferred embodiment of the invention, a fastening mechanism is sleeved on a part of the fastening column penetrating through the positioning guide hole, the fastening mechanism comprises a silica gel elastic pad sleeved on the fastening column, two ends of the silica gel elastic pad are respectively provided with a plastic flat pad, and the two plastic flat pads respectively push against annular protrusions arranged on the back surface of the PCB and the free end of the fastening column under the elasticity of the silica gel elastic pad.
As a further optimization of another preferred embodiment or the previous embodiment of the invention, the back surface of the PCB is provided with a metal reinforcing plate, and the metal reinforcing plate is provided with avoidance holes corresponding to the number and the positions of the positioning guide holes, so that the buckle posts on the plastic base sequentially penetrate through the positioning guide holes and the avoidance holes to connect the plastic base, the PCB and the metal reinforcing plate.
As a further optimization of the last embodiment of the invention, the corresponding positions of the PCB board and the metal reinforcing plate are respectively provided with a mounting hole i and a mounting hole ii, and the mounting holes i and the mounting holes ii are connected by arranging rivets.
The assembly method of the last embodiment of the invention comprises the following steps:
1) The metal switch sheet is clamped into a clamping groove on the plastic base;
2) The metal reinforcing plate and the back surface of the PCB are fastened and shaped into an integrated structure, and the positions of the positioning guide holes and the avoidance holes correspond to each other;
3) A buckle column on the plastic base passes through the positioning guide hole and the avoidance hole from one side of the front surface of the PCB;
4) Placing a plastic flat pad on the free end of the buckle column, and pressing down with force to enable the plastic flat pad to be sleeved on the buckle column and tightly attached to the front surface of the PCB;
5) The silica gel elastic pad is sleeved on the free end of the buckling column, and then is pressed down forcefully to be sleeved on the buckling column and is tightly attached to the plastic flat pad;
6) The other plastic flat pad is placed on the free end of the buckling post, and is pressed down by force to be sleeved on the buckling post, one side face of the plastic flat pad is tightly attached to the silica gel elastic pad, the other side face of the plastic flat pad is tightly attached to the annular bulge arranged on the free end of the buckling post, and then the assembly of the dual-mode change-over switch is completed, and the metal switch sheet is connected with two different passages by operating the plastic base to move along the positioning guide Kong Laihui, so that the switching of the two modes is realized.
The beneficial effects are that: according to the invention, three metal wires which are not communicated with each other and a guide positioning hole with a certain length are distributed on a PCB, then a metal switch sheet is arranged on a plastic base, the plastic base passes through the guide positioning hole of the PCB through a buckling column on the plastic base and then is fixed with the metal switch sheet, and the plastic base is moved to two different positions to drive the metal switch sheet to connect the three metal wires which are not communicated with each other into two different passages, so that two modes are formed, and the switching of the two modes is realized; in order to ensure that the PCB has certain strength, a metal reinforcing plate can be additionally arranged on the back of the PCB; in order to ensure the connection tightness between the metal switch sheet and the three metal wires, a fastening mechanism for clamping a silica gel spring pad by two plastic gaskets is arranged on the buckle column, so that the plastic base is tightly connected with the PCB under the action of the elastic force of the fastening mechanism; the switching device has the advantages of simple structure and low cost, and can easily realize the switching between two different modes.
Drawings
FIG. 1 is a schematic diagram of an explosive structure of the present invention;
FIG. 2 is a schematic structural view of a plastic base;
FIG. 3 is a schematic view of a metal switch sheet;
fig. 4 is a schematic structural view of a PCB board;
FIG. 5 is a schematic view of a metal reinforcing plate;
FIG. 6 is a schematic diagram of the connection between the plastic base and the metal switch plate;
FIG. 7 is a schematic diagram of a connection process between a PCB and a metal stiffener;
fig. 8 is a schematic structural view of a PCB board and a metal stiffener after connection;
FIG. 9 is a schematic diagram of the connection of a plastic base to a PCB and a metal stiffener;
FIG. 10 is a schematic view of the structure of FIG. 9 with a plastic flat pad added;
FIG. 11 is a schematic view of the structure of the silica gel spring pad of FIG. 10;
FIG. 12 is a schematic view of the structure of FIG. 11 with a plastic flat pad added thereto;
FIG. 13 is a schematic view of a fastening mechanism mounted on a snap post;
FIG. 14 is a schematic view of the bottom structure of FIG. 13;
reference numerals: 1. plastic base, 101, draw-in groove, 102, reference column, 103, buckle post, 2, metal switch piece, 201, locating hole, 3, rivet, 4, PCB board, 401, metal circuit, 4011, output circuit I, 4012, input wiring, 4013, output circuit II, 402, locating guide hole, 403, mounting hole I, 5, metal reinforcing plate, 501, dodge hole, 502, mounting hole II, 6, plastic flat pad, 7, silica gel spring pad.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in the figure, the dual-mode switch for a communication antenna comprises a plastic base 1 and a PCB 4, wherein a clamping groove 101 and at least one clamping post 103 are arranged on one surface of the plastic base 1, and a metal switch sheet 2 is arranged in the clamping groove 101; the front surface of the PCB 4 is distributed with metal lines 401, the metal lines 401 comprise three metal lines which are not communicated with each other, and positioning guide holes 402 corresponding to the number and the positions of the buckling columns 103 are also formed in the PCB 4, so that the plastic base 1 and the PCB 4 are connected after the buckling columns 103 on the plastic base 1 penetrate through the positioning guide holes 402; the positioning guide hole 402 extends in the length direction, so that the fastening post 103 has a sliding allowance in the positioning guide hole 402, and when the fastening post slides to two different positions of the positioning guide hole 402, the metal switch sheet 2 on the plastic base 1 respectively communicates two of the three metal wires to form two different passages, so that the switching of two modes is realized.
The above is a basic embodiment of the present invention, and further improvements, optimizations, and limitations may be made on the above basis:
as a preferred embodiment of the present invention, the metal circuit 401 includes an input wiring 4012 in the middle of the PCB board 4, and an output wiring i 4011 and an output wiring ii 4013 are disposed on both sides of the input wiring 4012, and the input wiring 4012, the output wiring i 4011 and the output wiring ii 4013 are not mutually communicated, and the input wiring 4012 and the output wiring i 4011 or the input wiring 4012 and the output wiring ii 4013 are communicated by moving the metal switch plate 2, so as to realize switching of two modes;
wherein, the output line I4011 is L-shaped, the output line II 4013 and the input line 4012 are linear, the metal switch sheet 2 is also L-shaped, and the clamping groove 101 is correspondingly L-shaped; of course, any other shape is also possible as long as the function of the present invention can be achieved;
as another preferred embodiment of the present invention, two positioning posts 102 are disposed at different positions in the clamping groove 101, and the two positioning posts 102 are matched with positioning holes 201 disposed on the metal switch plate 2, so as to fix the metal switch plate 2 in the clamping groove 101;
as another preferred embodiment of the present invention, the free end of the fastening post 103 has a protrusion with an outer diameter larger than the diameter thereof, and the middle part of the fastening post 103 is provided with an open slot along the direction from the free end to the other end thereof, the open slot divides the fastening post 103 into two parts, so that the two parts can be folded towards the open slot to reduce the diameter thereof under the action of external force, and the free end of the fastening post 103 is rebounded after passing through the positioning guide hole 402 on the PCB 4, so as to connect the plastic base 1 and the PCB 4;
as another preferred embodiment of the present invention, a fastening mechanism is sleeved on a portion of the fastening post 103 passing through the positioning guide hole 402, the fastening mechanism includes a silica gel elastic pad 7 sleeved on the fastening post 103, two ends of the silica gel elastic pad 7 are respectively provided with a plastic flat pad 6, and the two plastic flat pads 6 respectively press against annular protrusions provided on the back surface of the PCB 4 and the free end of the fastening post 103 under the elasticity of the silica gel elastic pad 7;
the plastic flat gasket 6 is a flat gasket made of plastic material, and the inner diameter of the flat gasket is not more than the outer diameter of the buckling column 103, preferably slightly less than the outer diameter of the buckling column 103, so that the flat gasket and the buckling column are tightly matched; the silica gel elastic pad 7 is a sleeve member made of silica gel material, the inner diameter of the sleeve member is not larger than the outer diameter of the buckling column 103, and the total length of the sleeve member added with the thickness of the two plastic flat pads 6 is slightly larger than the length of the buckling column 103, so that the sleeve member, the two plastic flat pads and the buckling column are tightly propped against the annular bulge to ensure the connection compactness;
as a further optimization of another preferred embodiment or the previous embodiment of the present invention, the back surface of the PCB board 4 is provided with a metal reinforcing plate 5, and the metal reinforcing plate 5 is provided with avoiding holes 501 corresponding to the number and the positions of the positioning guide holes 402, so that the fastening posts 103 on the plastic base 1 sequentially pass through the positioning guide holes 402 and the avoiding holes 501 and then connect the plastic base 1, the PCB board 4 and the metal reinforcing plate 5;
as a further optimization of the last embodiment of the invention, the corresponding positions of the PCB 4 and the metal reinforcing plate 5 are respectively provided with a mounting hole I403 and a mounting hole II 502, and the mounting holes I403 and the mounting holes II 502 are connected by arranging rivets 3;
the assembly method of the last embodiment of the invention comprises the following steps:
1) The metal switch sheet 2 is clamped into the clamping groove 101 on the plastic base 1;
2) The metal reinforcing plate 5 and the back surface of the PCB 4 are fastened and shaped into an integrated structure, and the positions of the positioning guide holes 402 and the avoiding holes 501 correspond to each other;
3) The buckling columns 103 on the plastic base 1 pass through the positioning guide holes 402 and the avoiding holes 501 from one side of the front surface of the PCB 4;
4) Placing a plastic flat pad 6 on the free end of the buckling post 103, and pressing the plastic flat pad with force to enable the plastic flat pad to be sleeved on the buckling post 103 and tightly attached to the front surface of the PCB 4;
5) The silica gel elastic pad 7 is sleeved on the free end of the buckling post 103, and then is pressed down forcefully to be sleeved on the buckling post 103 and is tightly attached to the plastic flat pad 6;
6) The other plastic flat pad 6 is placed on the free end of the buckling post 103, and is pressed down by force to be sleeved on the buckling post 103, one side surface of the plastic flat pad is tightly attached to the silica gel elastic pad 7, the other side surface of the plastic flat pad is tightly attached to the annular bulge arranged on the free end of the buckling post 103, so that the assembly of the dual-mode switch is completed, and the plastic base 1 is operated to move back and forth along the positioning guide hole 402, so that the metal switch sheet 2 is connected with two different passages, and the switching of the two modes is realized.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. A dual mode switch for a communications antenna, characterized by: the plastic base comprises a plastic base (1) and a PCB (4), wherein a clamping groove (101) and at least one clamping post (103) are arranged on one surface of the plastic base (1), and a metal switch sheet (2) is arranged in the clamping groove (101); the front surface of the PCB (4) is provided with metal lines (401), the metal lines (401) comprise three metal lines which are not communicated with each other, and the PCB (4) is also provided with positioning guide holes (402) corresponding to the number and the positions of the buckling columns (103) so as to connect the plastic base (1) with the PCB (4) after the buckling columns (103) on the plastic base (1) penetrate through the positioning guide holes (402); the positioning guide hole (402) extends in the length direction, so that the buckling column (103) has a sliding allowance in the positioning guide hole (402), and when the buckling column slides to two different positions of the positioning guide hole (402), the metal switch sheet (2) on the plastic base (1) respectively communicates two of the three metal wires to form two different passages, so that the switching of two modes is realized;
the fastening mechanism is sleeved on a part of the fastening column (103) penetrating through the positioning guide hole (402), and comprises a silica gel spring pad (7) sleeved on the fastening column (103), two ends of the silica gel spring pad (7) are respectively provided with a plastic flat pad (6), and the two plastic flat pads (6) respectively press against annular protrusions arranged on the back surface of the PCB (4) and the free end of the fastening column (103) under the elasticity of the silica gel spring pad (7);
the back of PCB board (4) is provided with metal reinforcing plate (5), is provided with on metal reinforcing plate (5) and dodges hole (501) that correspond with location guiding hole (402) quantity and position to buckle post (103) on plastic base (1) pass behind location guiding hole (402) and dodging hole (501) in proper order and link together plastic base (1), PCB board (4) and metal reinforcing plate (5).
2. A dual mode switch for a communication antenna as defined in claim 1, wherein: the metal circuit (401) comprises an input wiring (4012) positioned in the middle of the PCB (4), an output circuit I (4011) and an output circuit II (4013) are arranged on two sides of the input wiring (4012), the output circuit I (4011) and the output circuit II (4013) are not communicated with each other, and the input wiring (4012) and the output circuit I (4011) or the input wiring (4012) and the output circuit II (4013) are communicated through the movable metal switch sheet (2), so that switching of two modes is realized.
3. A dual mode switch for a communication antenna as defined in claim 1, wherein: two positioning columns (102) are arranged at different positions in the clamping groove (101), and the two positioning columns (102) are matched with positioning holes (201) formed in the metal switch sheet (2), so that the metal switch sheet (2) is fixed in the clamping groove (101).
4. A dual mode switch for a communication antenna as defined in claim 1, wherein: the free end of the buckling column (103) is provided with a bulge with the outer diameter larger than the diameter of the buckling column, the middle of the buckling column (103) is provided with an open slot along the direction from the free end to the other end of the buckling column, the open slot divides the buckling column (103) into two parts, so that the two parts can be folded towards the open slot under the action of external force to reduce the diameter of the buckling column, the free end of the buckling column (103) is enabled to rebound after penetrating through a positioning guide hole (402) on a PCB (4), and the plastic base (1) and the PCB (4) are connected.
5. A dual mode switch for a communication antenna as defined in claim 1, wherein: the PCB (4) and the metal reinforcing plate (5) are respectively provided with a mounting hole I (403) and a mounting hole II (502) at corresponding positions, and the PCB and the metal reinforcing plate are connected by arranging rivets (3) in the mounting holes I (403) and the mounting holes II (502).
6. The method of assembling a dual mode switch for a communication antenna as claimed in claim 1, comprising the steps of:
1) The metal switch sheet (2) is clamped into a clamping groove (101) on the plastic base (1);
2) The metal reinforcing plate (5) and the back surface of the PCB (4) are fastened and shaped into an integrated structure, and the positions of the positioning guide holes (402) and the avoiding holes (501) are corresponding;
3) The buckling columns (103) on the plastic base (1) penetrate through the positioning guide holes (402) and the avoiding holes (501) from one side of the front surface of the PCB (4);
4) A plastic flat pad (6) is placed on the free end of the buckling column (103) and is pressed down by force to be sleeved on the buckling column (103) at a position close to the front surface of the PCB (4);
5) The silica gel elastic pad (7) is sleeved on the free end of the buckling column (103), and then is pressed down forcefully to be sleeved on the buckling column (103) and is tightly attached to the plastic flat pad (6);
6) The other plastic flat pad (6) is placed on the free end of the buckling column (103), and is pressed down by force to be sleeved on the buckling column (103), one side surface of the plastic flat pad is tightly attached to the silica gel elastic pad (7), the other side surface of the plastic flat pad is tightly attached to the annular bulge arranged on the free end of the buckling column (103), so that the assembly of the dual-mode change-over switch is completed, the plastic base (1) is operated to move back and forth along the positioning guide hole (402), the metal switch sheet (2) is enabled to be connected with two different passages, and the switching of the two modes is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810252440.4A CN108364810B (en) | 2018-03-26 | 2018-03-26 | Dual-mode change-over switch for communication antenna and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810252440.4A CN108364810B (en) | 2018-03-26 | 2018-03-26 | Dual-mode change-over switch for communication antenna and assembling method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108364810A CN108364810A (en) | 2018-08-03 |
| CN108364810B true CN108364810B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810252440.4A Active CN108364810B (en) | 2018-03-26 | 2018-03-26 | Dual-mode change-over switch for communication antenna and assembling method thereof |
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| CN (1) | CN108364810B (en) |
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| Publication number | Publication date |
|---|---|
| CN108364810A (en) | 2018-08-03 |
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