CN110854564A - Elastic sheet for electric conduction and coaxial connector using same - Google Patents
Elastic sheet for electric conduction and coaxial connector using same Download PDFInfo
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- CN110854564A CN110854564A CN201911309309.8A CN201911309309A CN110854564A CN 110854564 A CN110854564 A CN 110854564A CN 201911309309 A CN201911309309 A CN 201911309309A CN 110854564 A CN110854564 A CN 110854564A
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- elastic sheet
- spiral
- elastic
- coaxial connector
- base part
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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
- H01R13/02—Contact members
- H01R13/22—Contacts for co-operating by abutting
- H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
- H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
- H01R13/2414—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means conductive elastomers
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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
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
- H01R12/714—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit with contacts abutting directly the printed circuit; Button contacts therefore provided on the printed circuit
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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
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
- H01R12/716—Coupling device provided on the PCB
- H01R12/718—Contact members provided on the PCB without an insulating housing
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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
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/91—Coupling devices allowing relative movement between coupling parts, e.g. floating or self aligning
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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
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
Abstract
The invention discloses a spring plate for electric conduction and a coaxial connector using the spring plate. The coaxial connector includes: the elastic sheet is spirally formed by a metal sheet, can elastically stretch and is used for conducting electricity, is in a spiral shape with a small end and a large end, and a closed and stretchable shielding space is formed in the elastic sheet; the insulator is fixedly arranged in the shielding space of the elastic sheet; and the upper end and the lower end of the central elastic thimble assembly extend out of the upper end surface and the lower end surface of the insulator. The elastic sheet for electric conduction has a simple structure, good elastic capacity and strength and a large elastic value, can not be subjected to fatigue damage or even fracture even under the working state of overvoltage and long service life, has a very long service life, ensures the stability and quality of butt joint, and has very strong market competitiveness.
Description
The technical field is as follows:
the invention relates to the technical field of connectors, in particular to a conductive elastic sheet and a coaxial connector using the same.
Background art:
the main matching fields of the connector comprise traffic, communication, network, IT, medical treatment, household appliances and the like, and the development of the connector technology is strongly dragged due to the rapid development of the product technical level and the rapid growth of the market in the matching fields. To date, connectors have been developed into products with various categories, various specifications, various structural styles, fine professional directions, obvious industrial characteristics, and standardized standard systems.
The electric contact shell fragment that uses in the connector adopts the sheetmetal shaping of bending mostly, the certain radian of position shaping of bending to lean on the elasticity at the position of bending to resume, make the shell fragment keep certain reaction force (elasticity), the elasticity of this kind of shell fragment relies on the elasticity at a position of bending to resume and realize, but elasticity value is littleer, the easy fatigue damage of excessive pressure and long-life during operation, cracked risk even causes very big puzzlement to the user.
In view of the above, the present inventors propose the following.
The invention content is as follows:
the invention aims to overcome the defects of the prior art and provides a spring sheet for electric conduction and a coaxial connector using the spring sheet.
In order to solve the technical problems, the invention adopts the following technical scheme: the elastic sheet is a telescopic spiral structure which is formed by metal sheets in a spiral mode and used for conducting electricity, and the elastic sheet is in a spiral shape with a small end and a large end.
Further, in the above technical solution, the spring plate is formed by winding a metal sheet layer by layer from outside to inside and from big to small in the thickness direction thereof, and is formed to have an extended height by axial dislocation; or the elastic sheet is formed by winding a metal sheet layer by layer from inside to outside and from small to large in the thickness direction, and the extending height is formed by axial dislocation.
Further, in the above technical solution, a closed and telescopic shielding space is formed in the spring plate; the upper end surface and the lower end surface of the elastic sheet are both planes and are used as contact surfaces.
Further, in the above technical solution, the shape of the radial cross section of the elastic sheet is any one of a square shape, a circular shape and an oval shape with a rounded corner.
Further, in the above technical solution, the spring plate includes a base, a plurality of layers of spiral parts and a top, which are integrally connected in sequence, a radial space is formed between two adjacent spiral parts, and a radial space is formed between the spiral part and the top; and the base part and the spiral part are axially staggered and partially stacked, two adjacent spiral parts are axially staggered and partially stacked, and the spiral part and the top part are axially staggered and partially stacked.
Furthermore, in the above technical solution, a dovetail buckle is formed at the tail of the base, and a slot is formed at the head of the base, and the dovetail buckle is engaged with the slot for positioning; alternatively, the tail portion and the head portion of the base portion are fixed by laser welding.
A coaxial connector, comprising: the elastic sheet is spirally formed by a metal sheet, can elastically stretch and is used for conducting electricity, is in a spiral shape with a small end and a large end, and a closed and stretchable shielding space is formed in the elastic sheet; the insulator is fixedly arranged in the shielding space of the elastic sheet; and the upper end and the lower end of the central elastic thimble assembly extend out of the upper end surface and the lower end surface of the insulator.
Further, in the above technical solution, the spring plate includes a base, a plurality of layers of spiral parts and a top, which are integrally connected in sequence, a radial space is formed between two adjacent spiral parts, and a radial space is formed between the spiral part and the top; and the base part and the spiral part are axially staggered and partially stacked, two adjacent spiral parts are axially staggered and partially stacked, and the spiral part and the top part are axially staggered and partially stacked.
Further, in the above technical solution, the insulator is in a shape of a plurality of steps with gradually changing sizes, and includes a first step and a plurality of second steps formed on the first step and having successively smaller sizes; the middle part of the base part is punched from outside to inside to form a plurality of hanging platforms protruding inwards, the edge of the lower end of the base part is bent to form a plurality of flanging clamping jaws, and the flanging clamping jaws are matched with the hanging platforms to clamp and fix the first step at the lower end of the insulator.
Furthermore, in the above technical solution, the edge of the lower end of the base part is further extended downward to form a plurality of socket type welding feet; a dovetail buckle is formed at the tail part of the base part, a clamping groove is formed at the head part of the base part, and the dovetail buckle is clamped and positioned with the clamping groove; alternatively, the tail portion and the head portion of the base portion are fixed by laser welding.
After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. compared with the conventional elastic sheet, the elastic sheet for electric conduction has good elastic capacity and strength and large elastic value, and can not be subjected to fatigue damage or even fracture even under the working state of overvoltage and long service life, so that the elastic sheet has extremely long service life, ensures the stability and quality of butt joint, and has extremely strong market competitiveness.
2. The elastic sheet used in the coaxial connector has a simple structure, has good elastic capacity and strength and a large elastic value compared with the conventional elastic sheet, can not be subjected to fatigue damage or even fracture even under the working state of overvoltage and long service life, has an extremely long service life, and ensures the stability and quality of butt joint. The elastic sheet can elastically stretch out and draw back, so that when the coaxial connector is used for conducting connection between boards, the elastic sheet is in elastic contact with a conducting sheet in a PCB, the stability of connection is ensured, and the coaxial connector can be electrified to realize grounding, the elastic sheet can realize the function of whole-course shielding, and the communication quality is ensured; in addition, the coaxial connector also has a multidirectional tolerance function, namely when the distance between two PCBs has installation errors, the elastic sheet and the central elastic thimble assembly in the coaxial connector can automatically axially contract to ensure that the elastic sheet and the central elastic thimble assembly are always pressed on golden fingers of the PCBs and form stable contact, so that the coaxial connector has good communication quality and extremely strong market competitiveness.
Description of the drawings:
FIG. 1 is a perspective view of a conductive clip according to the present invention;
FIG. 2 is a cross-sectional view of the conductive clip of the present invention;
FIG. 3 is a perspective view of another structure of the conductive spring plate of the present invention;
FIG. 4 is a cross-sectional view of a first construction of the coaxial connector of the present invention;
fig. 5 is an assembly view of a coaxial connector of a first configuration of the present invention with two PCB boards;
FIG. 6 is a cross-sectional view of a second construction of the coaxial connector of the present invention;
fig. 7 is an assembly view of a coaxial connector of a second configuration of the present invention with two PCB boards;
fig. 8 is an assembly view (ideal operation state) of the coaxial connector of the second structure of the present invention with two PCB boards;
fig. 9 is an assembly view (upper axial tolerance) of a coaxial connector of a second configuration of the present invention with two PCB boards;
fig. 10 is an assembly view (lower axial tolerance) of a coaxial connector of a second configuration of the present invention with two PCB boards;
fig. 11 is a perspective view of a third structure of the conductive elastic sheet according to the present invention.
The specific implementation mode is as follows:
the invention is further illustrated below with reference to specific embodiments and the accompanying drawings.
As shown in fig. 1-3, the present invention is a conductive elastic sheet, wherein the elastic sheet 1 is a retractable spiral structure formed by a metal sheet in a spiral manner and used for conducting electricity, and the elastic sheet 1 is in a spiral shape with a small end and a large end. Compared with the conventional elastic sheet, the elastic sheet for electric conduction has good elastic capacity and strength and large elastic value, and can not be subjected to fatigue damage or even fracture even under the working state of overvoltage and long service life, so that the elastic sheet has extremely long service life, ensures the stability and quality of butt joint, and has extremely strong market competitiveness.
The elastic sheet 1 is formed by winding a metal sheet layer by layer from outside to inside and from big to small along the thickness direction of the metal sheet, and the extending height is formed by axial dislocation, so that a closed and telescopic shielding space 10 is formed in the elastic sheet 1; or, the elastic sheet 1 is formed by winding a metal sheet layer by layer from inside to outside and from small to large in thickness direction, and the extending height is formed by axial dislocation, so that a closed and telescopic shielding space 10 is formed in the elastic sheet 1, and thus, the internal signal is prevented from radiating outwards, or the external signal is prevented from entering and generating noise, and the anti-interference purpose is achieved.
The upper end face and the lower end face of the elastic sheet 1 are both planes and are used as contact faces to have an axial contact function.
The radial section of the elastic sheet 1 is in the shape of any one of a square, a circle and an ellipse with a rounded corner. The invention can design the radial section shape of the elastic sheet 1 according to the use requirement so as to meet different use requirements.
The elastic sheet 1 comprises a base 11, a plurality of layers of spiral parts 12 and a top 13 which are sequentially and integrally connected, a radial interval is formed between every two adjacent spiral parts 12, and a radial interval is formed between every two adjacent spiral parts 12 and the top 13, so that the spiral parts 12 and the top 13 can be axially compressed without friction clamping stagnation, the compression or extension process of the elastic sheet 1 is ensured to be free from obstruction, the operation is smoother, and the use is more convenient. That is to say, the formation has certain gap between every layer of shell fragment, makes things convenient for axial compression or extension.
The base part 11 and the spiral part 12 are axially staggered and partially stacked, the two adjacent spiral parts 12 are axially staggered and partially stacked, and the spiral parts 12 and the top part 13 are axially staggered and partially stacked, so that a shielding space 10 which is sealed in the radial direction is formed in the elastic sheet 1, and therefore, internal signals are prevented from radiating outwards, or external signals are prevented from entering to generate noise, and the anti-interference purpose is achieved.
A dovetail buckle 111 is formed at the tail of the base 11, a clamping groove 112 is formed at the head of the base 11, and the dovetail buckle 111 is clamped and positioned with the clamping groove 112; or the tail part and the head part of the base part 11 are fixed through laser welding, so that the base part 11 is ensured to form a ring, the whole elastic sheet 1 is stably supported, and the elastic sheet can be ensured to be assembled more stably at the later stage.
The middle part of the base part 11 is punched from outside to inside to form a plurality of hanging platforms 113 protruding inwards, and the edge of the lower end of the base part 11 is bent to form a plurality of flanging clamping jaws 114, wherein the flanging clamping jaws 114 can also be used as SMT welding feet, so that the purpose of integration and dual purposes is achieved. Alternatively, a plurality of socket type welding feet 115 are formed by extending downwards on the lower end edge of the base part 11.
In summary, the elastic sheet for electric conduction of the present invention has a simple structure, and compared with the conventional elastic sheet, the elastic sheet for electric conduction of the present invention has good elastic capacity and strength, and a large elastic value, and does not have fatigue damage or even fracture even under an overvoltage and long-life working state, so as to have a very long service life, ensure the stability and quality of butt joint, and have a very strong market competitiveness.
Referring to fig. 1-11, the present invention is a coaxial connector comprising: the elastic sheet 1 is spirally formed by a metal sheet, can elastically stretch and is used for conducting electricity, the elastic sheet 1 is in a spiral shape with a small end and a large end, and a closed and telescopic shielding space 10 is formed in the elastic sheet 1; an insulator 2 fixedly installed in the shielding space 10 of the spring plate 1; and the central elastic thimble assembly 3 is used for transmitting electric signals or power and is arranged in the center of the insulator 2, and the upper end and the lower end of the central elastic thimble assembly 3 extend out of the upper end surface and the lower end surface of the insulator 2. The elastic sheet used in the coaxial connector has a simple structure, has good elastic capacity and strength and a large elastic value compared with the conventional elastic sheet, can not be subjected to fatigue damage or even fracture even under the working state of overvoltage and long service life, has an extremely long service life, and ensures the stability and quality of butt joint. The elastic sheet 1 can elastically stretch out and draw back, so that when the coaxial connector is used for conducting connection between boards, the elastic sheet 1 is in elastic contact with a conducting sheet in a PCB, the stability of connection is ensured, and the coaxial connector can be electrified to realize grounding, and the elastic sheet 1 can realize the function of whole-course shielding and ensure the communication quality; in addition, the coaxial connector also has a multidirectional tolerance function, namely when the distance between two PCBs has installation errors, the elastic sheet and the central elastic thimble assembly 3 in the coaxial connector can automatically axially contract so as to ensure that the elastic sheet and the central elastic thimble assembly 3 are always pressed on golden fingers of the PCBs and form stable contact, so that the coaxial connector has good communication quality and has strong market competitiveness.
The elastic sheet 1 is formed by winding a metal sheet layer by layer from outside to inside and from big to small along the thickness direction of the metal sheet, and the extending height is formed by axial dislocation, so that a closed and telescopic shielding space 10 is formed in the elastic sheet 1; or, the elastic sheet 1 is formed by winding a metal sheet layer by layer from inside to outside and from small to large in thickness direction, and the extending height is formed by axial dislocation, so that a closed and telescopic shielding space 10 is formed in the elastic sheet 1, and thus, the internal signal is prevented from radiating outwards, or the external signal is prevented from entering and generating noise, and the anti-interference purpose is achieved.
The radial section of the elastic sheet 1 is in the shape of any one of a square, a circle and an ellipse with a rounded corner. The invention can design the radial section shape of the elastic sheet 1 according to the use requirement so as to meet different use requirements.
The elastic sheet 1 comprises a base 11, a plurality of layers of spiral parts 12 and a top 13 which are sequentially and integrally connected, a radial interval is formed between every two adjacent spiral parts 12, and a radial interval is formed between every two adjacent spiral parts 12 and the top 13, so that the spiral parts 12 and the top 13 can be axially compressed without friction clamping stagnation, the compression or extension process of the elastic sheet 1 is ensured to be free from obstruction, the operation is smoother, and the use is more convenient. That is to say, the formation has certain gap between every layer of shell fragment, makes things convenient for axial compression or extension.
The base part 11 and the spiral part 12 are axially staggered and partially stacked, the two adjacent spiral parts 12 are axially staggered and partially stacked, and the spiral parts 12 and the top part 13 are axially staggered and partially stacked, so that a shielding space 10 which is sealed in the radial direction is formed in the elastic sheet 1, and therefore, internal signals are prevented from radiating outwards, or external signals are prevented from entering to generate noise, and the anti-interference purpose is achieved. A dovetail buckle 111 is formed at the tail of the base 11, a clamping groove 112 is formed at the head of the base 11, and the dovetail buckle 111 is clamped and positioned with the clamping groove 112; or the tail part and the head part of the base part 11 are fixed through laser welding, so that the base part 11 is ensured to form a ring, the whole elastic sheet 1 is stably supported, and the elastic sheet can be ensured to be assembled more stably at the later stage.
The insulator 2 is in a multi-step shape with gradually changed size, so that a plurality of avoidance positions are formed on the periphery of the insulator 2, when the spiral part 12 and the top part 13 in the elastic sheet 1 are axially compressed relative to the base part 11, enough space is provided for the spiral part 12 and the top part 13 to be axially compressed, and the compression stroke of the spiral part 12 and the top part 13 is ensured.
The insulator 2 comprises a first step 21 and a plurality of second steps 22 which are formed on the first step 21 and become smaller in size in sequence; the middle part of the base part 11 is punched from outside to inside to form a plurality of hanging platforms 113 protruding inwards, the edge of the lower end of the base part 11 is bent to form a plurality of flanging clamping jaws 114, and the flanging clamping jaws 114 are matched with the hanging platforms 113 to clamp and fix the first step 21 at the lower end of the insulator 2, so that the insulator 2 is ensured to be stably installed in the shielding space 10 in the elastic piece 1. The flanging claw 114 can also be used as an SMT leg to achieve the purpose of integration and dual-purpose, and at this time, a welding plane is formed at the lower end of the central elastic thimble assembly 3 correspondingly, so that the coaxial connector of the present invention is used as an SMT coaxial connector. Or, a plurality of socket type welding feet 115 are formed by extending downwards on the lower end edge of the base part 11; correspondingly, the lower end of the central elastic thimble assembly 3 is formed with a pin 301, and the socket type soldering pin 115 and the pin 301 are inserted into the PCB, and are soldered, fixed and conducted to form a pin type coaxial connector.
The center elastic thimble assembly 3 comprises a metal sliding sleeve 31 fixedly installed in a center hole of the insulator 2, a center elastic thimble 32 installed in the metal sliding sleeve 31 and capable of sliding in the metal sliding sleeve 31 without being separated from the metal sliding sleeve 31, and a spring 33 installed between the center elastic thimble 32 and the metal sliding sleeve 31, wherein an upper end of the center elastic thimble 32 extends out of an upper end of the metal sliding sleeve 31 under an elastic force of the spring 33. The lower end of the metal sliding sleeve 31 is provided with an SMT welding surface, or the lower end of the metal sliding sleeve 31 is provided with a pin 301.
Referring to fig. 8, assuming that the theoretical distance between the two PCB boards 100 and 200 is an ideal working condition, the overlap value between the two layers of the spring piece in the coaxial connector of the present invention is X'; referring to fig. 9, when the distance between the two PCB boards 100 and 200 is increased to the upper limit, the overlapping value between the two layers of the spring sheet is X'; referring to fig. 10, when the distance between the two PCB boards 100 and 200 is reduced to the lower limit, the overlapping value between the two layers of the spring pieces is X' +, in a word, no matter the distance between the two PCB boards 100 and 200 is floated within the effective error range, the spring pieces in the coaxial connector of the present invention can completely shield the central spring thimble and prevent external signal interference.
In addition, when the distance between the two PCB boards 100 and 200 is different, the height of the whole spring plate 1 can be adjusted by adjusting the height "H" of the base part in the spring plate 1 to meet the use requirement, as shown in fig. 11.
In summary, the elastic sheet used in the coaxial connector of the invention has a simple structure, and compared with the conventional elastic sheet, the elastic sheet has good elastic capacity and strength and a large elastic value, and can not be fatigue-damaged or even broken even under the working state of overpressure and long service life, so that the coaxial connector has a very long service life and ensures the stability and quality of butt joint. The elastic sheet 1 can elastically stretch out and draw back, so that when the coaxial connector is used for conducting connection between boards, the elastic sheet 1 is in elastic contact with a conducting sheet in a PCB, the stability of connection is ensured, and the coaxial connector can be electrified to realize grounding, and the elastic sheet 1 can realize the function of whole-course shielding and ensure the communication quality; in addition, the coaxial connector also has a multidirectional tolerance function, namely when the distance between two PCBs has installation errors, the elastic sheet and the central elastic thimble assembly 3 in the coaxial connector can automatically axially contract so as to ensure that the elastic sheet and the central elastic thimble assembly 3 are always pressed on golden fingers of the PCBs and form stable contact, so that the coaxial connector has good communication quality and has strong market competitiveness.
It should be understood that the above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.
Claims (10)
1. Electrically conductive shell fragment of using, its characterized in that: the elastic sheet is a telescopic spiral structure which is formed by metal sheets in a spiral mode and used for conducting electricity, and the elastic sheet is in a spiral shape with a small end and a large end.
2. The conductive clip according to claim 1, wherein: the elastic sheet is formed by winding a metal sheet layer by layer from outside to inside and from big to small in the thickness direction of the metal sheet, and the extending height is formed by axial dislocation; or the elastic sheet is formed by winding a metal sheet layer by layer from inside to outside and from small to large in the thickness direction, and the extending height is formed by axial dislocation.
3. The conductive clip according to claim 1, wherein: a closed and telescopic shielding space is formed in the elastic sheet; the upper end surface and the lower end surface of the elastic sheet are both planes and are used as contact surfaces.
4. The conductive clip according to claim 1, wherein: the radial section of the elastic sheet is in the shape of any one of a square, a circle and an ellipse with a rounded corner.
5. The conductive clip according to any one of claims 1 to 4, wherein: the elastic sheet comprises a base part, a plurality of layers of spiral parts and a top part which are sequentially and integrally connected, a radial interval is formed between every two adjacent spiral parts, and a radial interval is formed between the spiral parts and the top part; and the base part and the spiral part are axially staggered and partially stacked, two adjacent spiral parts are axially staggered and partially stacked, and the spiral part and the top part are axially staggered and partially stacked.
6. A shrapnel according to claim 5, characterized in that: a dovetail buckle is formed at the tail part of the base part, a clamping groove is formed at the head part of the base part, and the dovetail buckle is clamped and positioned with the clamping groove; alternatively, the tail portion and the head portion of the base portion are fixed by laser welding.
7. A coaxial connector, characterized by: it includes:
the elastic sheet is spirally formed by a metal sheet, can elastically stretch and is used for conducting electricity, is in a spiral shape with a small end and a large end, and a closed and stretchable shielding space is formed in the elastic sheet;
the insulator is fixedly arranged in the shielding space of the elastic sheet;
and the upper end and the lower end of the central elastic thimble assembly extend out of the upper end surface and the lower end surface of the insulator.
8. A coaxial connector according to claim 7, wherein: the elastic sheet comprises a base part, a plurality of layers of spiral parts and a top part which are sequentially and integrally connected, a radial interval is formed between every two adjacent spiral parts, and a radial interval is formed between the spiral parts and the top part; and the base part and the spiral part are axially staggered and partially stacked, two adjacent spiral parts are axially staggered and partially stacked, and the spiral part and the top part are axially staggered and partially stacked.
9. A coaxial connector according to claim 8, wherein: the insulator is in a multi-step shape with gradually changed size and comprises a first step and a plurality of second steps which are formed on the first step and are sequentially reduced in size; the middle part of the base part is punched from outside to inside to form a plurality of hanging platforms protruding inwards, the edge of the lower end of the base part is bent to form a plurality of flanging clamping jaws, and the flanging clamping jaws are matched with the hanging platforms to clamp and fix the first step at the lower end of the insulator.
10. A coaxial connector according to claim 8, wherein: the edge of the lower end of the base part is also provided with a plurality of jack-hole type welding feet in a downward extending mode; a dovetail buckle is formed at the tail part of the base part, a clamping groove is formed at the head part of the base part, and the dovetail buckle is clamped and positioned with the clamping groove; alternatively, the tail portion and the head portion of the base portion are fixed by laser welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911309309.8A CN110854564B (en) | 2019-12-18 | 2019-12-18 | Elastic sheet for electric conduction and coaxial connector using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911309309.8A CN110854564B (en) | 2019-12-18 | 2019-12-18 | Elastic sheet for electric conduction and coaxial connector using same |
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| Publication Number | Publication Date |
|---|---|
| CN110854564A true CN110854564A (en) | 2020-02-28 |
| CN110854564B CN110854564B (en) | 2022-06-24 |
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| CN201911309309.8A Active CN110854564B (en) | 2019-12-18 | 2019-12-18 | Elastic sheet for electric conduction and coaxial connector using same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113346265A (en) * | 2021-06-07 | 2021-09-03 | 江苏开云通讯科技有限公司 | Electric connector structure and assembling method thereof |
| WO2023116960A1 (en) * | 2021-12-20 | 2023-06-29 | Hanon Systems Efp Deutschland Gmbh | Device for electrically contacting an electric motor winding of an electric motor comprising a printed circuit board of a motor control unit |
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| JP2003217726A (en) * | 2002-01-24 | 2003-07-31 | Yokowo Co Ltd | Connector |
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| WO2023116960A1 (en) * | 2021-12-20 | 2023-06-29 | Hanon Systems Efp Deutschland Gmbh | Device for electrically contacting an electric motor winding of an electric motor comprising a printed circuit board of a motor control unit |
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|---|---|
| CN110854564B (en) | 2022-06-24 |
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