CN109461559A - Highly reliable contact pin transformer - Google Patents
Highly reliable contact pin transformer Download PDFInfo
- Publication number
- CN109461559A CN109461559A CN201811613267.2A CN201811613267A CN109461559A CN 109461559 A CN109461559 A CN 109461559A CN 201811613267 A CN201811613267 A CN 201811613267A CN 109461559 A CN109461559 A CN 109461559A
- Authority
- CN
- China
- Prior art keywords
- contact pin
- support base
- shell
- bottom plate
- side plate
- 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.)
- Granted
Links
- 238000001125 extrusion Methods 0.000 claims abstract description 27
- 229920001971 elastomer Polymers 0.000 claims description 6
- 239000000806 elastomer Substances 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 13
- 239000003292 glue Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 230000006378 damage Effects 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- -1 dioctyl phthalate butanediol ester Chemical class 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/04—Leading of conductors or axles through casings, e.g. for tap-changing arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
- H01F2027/065—Mounting on printed circuit boards
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
- H01F2027/297—Terminals; Tapping arrangements for signal inductances with pin-like terminal to be inserted in hole of printed path
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
The present invention provides a kind of highly reliable contact pin transformer comprising has shell, bottom plate and the electromagnetic element of opening；Wherein electromagnetic element includes support base, electromagnetic coil and contact pin, support base is located at the interior intracavitary of shell, contact pin is extended through bottom plate in outside, and fixture block, extrusion lug and supporting block are provided on the side wall of shell, is located by connecting between supporting block and support base by location structure.The wherein two sides of bottom plate and extrusion lug formation by being press-connected by highly reliable contact pin transformer of the invention, to limit bottom plate and the relative motion of shell in one direction, it is located by connecting between supporting block and support base by location structure simultaneously, to limit bottom plate and the relative motion of shell in the other directions, on the other hand it is also snapped connection by fixture block and card slot formation, so that forming being fastenedly connected for without motion gap between shell and bottom plate, stable structure is reliable.
Description
Technical field
The present invention relates to field transformer, in particular to a kind of highly reliable contact pin transformer.
Background technique
Contact pin transformer is a kind of a kind of electronics connection product that transformer and circuit board are connected by contact pin, at phone end
Terminal circuit, network communication are both needed to using transformer in junction line product circuit, to adjust the quality and state of communicating circuit.It inserts
Needle transformer generally forms connection structure by shell and bottom plate, while will be in electromagnetic element setting to shell and bottom plate formation
It is intracavitary；
Contact pin transformer in the prior art has to be fastenedly connected by filling black glue formation between shell and bottom plate, but black
There is pollution environment in glue, have injury to human body, it is longer assemble complicated working hour, and black glue dosage, black glue are unable to control when encapsulating
Dosage excessively will lead to the shell phenomenon that rises, and yield is low；
On the other hand, also shell and bottom plate are fastenedly connected by buckle structure, but buckle in the prior art
Connection structure often makes between shell and bottom plate there are joint gap, so that contact pin transformer is in swapping process, shell and bottom
There is relative motion, plug is inconvenient for use, and is easy to damage transformer between plate.
Therefore need to provide the highly reliable contact pin transformer of one kind to solve above-mentioned technical problem.
Summary of the invention
The present invention provides a kind of highly reliable contact pin transformer, by forming the wherein two sides of bottom plate with extrusion lug
It is press-connected, to limit bottom plate and the relative motion of shell in one direction, while passing through between supporting block and support base
Location structure is located by connecting, to limit bottom plate and the relative motion of shell in the other directions, on the other hand also passes through card
Block is snapped connection with card slot formation, so that being fastenedly connected for without motion gap is formed between shell and bottom plate, it is existing to solve
There is the contact pin transformer in technology to be fastenedly connected formation between shell and bottom plate, is easy pollution
Environment has injury to human body, and assembling complicated working hour is longer, the low problem of yield；And pass through buckle structure for shell and bottom plate
Be fastenedly connected so that there are joint gap between shell and bottom plate so that contact pin transformer is in swapping process, shell and
There is relative motion, plug is inconvenient for use, and is easy to the problem of damaging transformer between bottom plate.
In order to solve the above technical problems, the technical solution of the present invention is as follows: a kind of highly reliable contact pin transformer comprising tool
There are the shell, bottom plate and electromagnetic element of opening；
Wherein, the electromagnetic element includes support base, the electromagnetic coil being fixed on the support base and inserts
Contact pin on the support base, on the housing to close the opening, the support base is located at for the bottom plate connection
The shell it is interior intracavitary, the contact pin is extended in outside through the bottom plate；
It is respectively the first side plate, the second side plate, third side plate with four blocks of side plates adjacent with the opening on the shell
And the 4th side plate, it is provided with fixture block on the inside of opposite the first side plate and third side plate, is arranged in the two sides of the bottom plate
There is the card slot for snapping connection with fixture block, the top of the opening is provided with one in the second side plate and the 4th side plate interior sides
Block or muti-piece extrusion lug, lower part are provided with one or more supporting block, and the extrusion lug is for the two sides with the bottom plate
It is formed and squeezes contact, the supporting block is used to support the support base, passes through positioning between the supporting block and the support base
Structure positioning connection.
In the present invention, the location structure includes locating piece and locating slot, and the locating piece is arranged in the supporting block
In the one side of the opening, the locating slot is arranged on the support base, along the direction perpendicular to second side plate,
The width of the locating piece is greater than the width of the supporting block, and the locating piece extends on the side of the supporting block, described
Locating piece, the supporting block and the shell are an integral molding structure,
Multiple external devices that are used for are provided on lateral surface of the shell far from the opening to run through described in extrusion
The through-hole of electromagnetic element.
In the present invention, the thickness of first side plate is equal to the thickness of the third side plate, the thickness of second side plate
Degree is equal to the thickness of the 4th side plate, and the thickness of first side plate is greater than the thickness of second side plate, in the shell
There are three the extrusion lug, the thickness of the intermediate extrusion lug is greater than the extrusion lug at both ends for setting on inner wall
Thickness.
In the present invention, the support base is connected on the bottom plate, positioning column is provided on the bottom plate, described
The location hole for being located by connecting with the positioning column is provided on support base；
The bottom of the positioning hole is provided with elastomer block, the elastomer block be used for the positioning column Elastic Contact,
It is flexibly supported so that the positioning column forms the support base.
In the present invention, the contact pin is through being connected on the bottom plate and the support base, along the support base
Extending direction is placed with two rows of contact pins, is provided in the two sides of the support base and fixes correspondingly with the contact pin
Slot, the one end of the contact pin far from the bottom plate is limited in the fixing groove by bending, and the end of the contact pin extends
In order to carry out coiling electric connection with the electromagnetic coil except the fixing groove, in the support base close to the bottom plate
One side on be additionally provided with supporting lug so that avoiding contact pin at a distance of set distance between the support base and the bottom plate
It is formed and is interfered with bottom plate.
Wherein, the setting slot for the electromagnetic coil to be arranged is provided on the support base, in the electromagnetic coil
It is provided with glue-line between the inner wall of the setting slot, so that insulation is formed between the electromagnetic coil and the contact pin,
The isolation raised line for multiple electromagnetic coils to be isolated is provided in the setting slot.
In the present invention, the parallel multiple support bases of extending direction are connected on the bottom plate, in the shell
Bottom surface on be provided with the support rim for being used to support the strip of the electromagnetic element, the support rim is by described outer
The central point on bottom surface in shell, the extending direction of the support rim are vertical with the extending direction of the support base.
Wherein, it is provided with elastomeric pad between the bottom surface in the support rim and the shell, when the electromagnetism member device
When part is fixedly attached on the shell by the bottom plate, the electromagnetic element squeezes the support rim and makes the bullet
Property gasket is in elastic compression.
Further, the support rim is made of multiple connect with the one-to-one boss section of the support base, described
It is connected between boss section by connection structure, the connection structure includes link block and link slot, in boss section
Both ends are respectively arranged with the link block and the link slot, and the link slot runs through the end that the boss section is arranged in；
The bottom surface of the link slot extended perpendicularly in the shell, in multiple boss sections and the shell
Bottom surface between be provided with the equal or unequal elastomeric pad of quantity；
It is provided with fixed block on two opposite inner walls of the shell, is provided on a fixed block described
Link block is provided with the link slot on another described fixed block, so that the boss section passes through the connection structure
It is fixedly connected with the shell.
In the present invention, the connecting hole for contact pin perforation is provided on the bottom plate, the connecting hole includes
The taper hole section penetrated conducive to contact pin and the circular hole portion for regulation contact pin, the contact pin interference are connected to the circular hole portion
It is interior.
The present invention compared to the prior art, it has the advantage that: highly reliable contact pin transformer of the invention is by the bottom of by
The wherein two sides of plate are press-connected with extrusion lug formation, so that bottom plate and the relative motion of shell in one direction are limited,
It is simultaneously located by connecting between supporting block and support base by location structure, to limit bottom plate and shell in the other directions
On the other hand relative motion is also snapped connection by fixture block and card slot formation, so that being formed between shell and bottom plate without fortune
Dynamic gap is fastenedly connected, and stable structure is reliable.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below to required in embodiment
Attached drawing to be used is briefly described, and the accompanying drawings in the following description is only the corresponding attached drawing of section Example of the invention.
Fig. 1 is the configuration schematic diagram of highly reliable contact pin transformer of the invention.
Fig. 2 is cross-sectional view made by the A-A cutting line in Fig. 1.
Fig. 3 is the perspective view of the shell of highly reliable contact pin transformer of the invention.
Fig. 4 is the bottom view of the shell of highly reliable contact pin transformer of the invention.
Fig. 5 is the support base of highly reliable contact pin transformer of the invention and the left view of contact pin.
Fig. 6 is the top view of the support base of highly reliable contact pin transformer of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those skilled in the art's every other implementation obtained without making creative work
Example, shall fall within the protection scope of the present invention.
Contact pin transformer in the prior art has to be fastenedly connected by filling black glue formation between shell and bottom plate, but black
There is pollution environment in glue, have injury to human body, it is longer assemble complicated working hour, and black glue dosage, black glue are unable to control when encapsulating
Dosage excessively will lead to the shell phenomenon that rises, and yield is low；
On the other hand, also shell and bottom plate are fastenedly connected by buckle structure, but buckle in the prior art
Connection structure often makes between shell and bottom plate there are joint gap, so that contact pin transformer is in swapping process, shell and bottom
There is relative motion, plug is inconvenient for use, and is easy to damage transformer between plate.
It the following is a kind of preferred reality of highly reliable contact pin transformer that can solve the above technical problem provided by the invention
Apply example.
Please refer to Fig. 1, Fig. 2 and Fig. 4, wherein Fig. 1 is that the detonation configuration of highly reliable contact pin transformer of the invention shows
It is intended to (upper housing part in Fig. 1 is divided into section view state, and bottom plate, support base and the contact pin of lower part are not cut open state), Fig. 2 is
(contact pin and bottom plate in Fig. 1, Fig. 2 are not connected state in place to cross-sectional view made by A-A cutting line in Fig. 1, are being illustrated
In orientation, contact pin may continue to downward grafting, when supporting lug is contacted with bottom plate limit in place for connection), Fig. 4 is this hair
The bottom view of the shell of bright highly reliable contact pin transformer.
Words such as " first " " second " in term of the present invention only as description purpose, are not understood to indicate or imply phase
Pair importance, and not as the limitation to sequencing.
The similar unit of structure is to be given the same reference numerals in the figure.
The preferred embodiment of highly reliable contact pin transformer provided by the invention are as follows: a kind of highly reliable contact pin transformer,
It includes shell 11, bottom plate 12 and electromagnetic element with opening.
Wherein, electromagnetic element includes support base 13, the electromagnetic coil being fixed on support base 13 and is inserted into
Contact pin 14 on support base 13, the magnet and the conductor wire group that is wound on magnet of electromagnetic coil in the present embodiment by annular
At electromagnetic coil is not drawn into figure, and electromagnetic coil is bonded on the support base by glue, and bottom plate 12 is connected to shell 11
On to close opening, support base 13 is located at the interior intracavitary of shell 11, contact pin 14 through bottom plate 12 extend outside be used for it is right
Device is answered to be electrically connected.
Wherein, the connecting hole penetrated through for contact pin 14 is provided on bottom plate 12, connecting hole includes being conducive to contact pin 14 to penetrate
Taper hole section 123 and circular hole portion 124 for providing contact pin 14,14 interference of contact pin be connected in circular hole portion 124, bellmouth
Section 123 and circular hole portion 124 can refer to Fig. 2.
It is respectively the first side plate, the with four blocks of side plates adjacent with being open on shell 11 for convenience of clearly being illustrated
Two side plates, third side plate and the 4th side plate, two blocks of side plates up and down in Fig. 4 are the second side plate and the 4th side plate, in Fig. 4
The two blocks of side plates in left and right are the first side plate and third side plate.
It is provided with fixture block 114 on the inside of opposite the first side plate and third side plate, setting is useful in the two sides of bottom plate 12
It can apart be set between the first side plate and third side plate respectively in the two sides of the card slot 121 snapped connection with fixture block 114, bottom plate 12
Set a distance, forms disassembly gap, and set distance is preferably smaller than 1mm.
The second side plate and the 4th side plate interior sides close to the top of opening be provided with one or more extrusion lug 113, under
Portion is provided with one or more supporting block 111, and extrusion lug 113 is used to be formed to squeeze with the two sides of bottom plate 12 and contact, supporting block
111 are used to support support base 13, are located by connecting between supporting block 111 and support base 13 by location structure.
It is understood that the projection thickness of extrusion lug 113 is less than the projection thickness of supporting block 111, extrusion lug 113
It will not be formed and be interfered with support base 13, extrusion lug 113 will not influence the inner cavity that support base 13 is packed into shell 11.
The wherein two sides of bottom plate 12 are press-connected with the formation of extrusion lug 113, to limit bottom plate 12 and shell 11 one
Relative motion on a direction limits the relative motion of horizontal direction in Fig. 1, while between supporting block 111 and support base 13
It is located by connecting by location structure, thus limit bottom plate 12 and the relative motion of shell 11 in the other directions, i.e. water in Fig. 2
Square to relative motion, can so make bottom plate and shell be formed and be fastenedly connected, without motion gap, stable structure can
It leans on.
On the other hand, it is also snapped connection by fixture block 114 with cooperatively forming for card slot 121, so that shell 11 and bottom plate 12
Between form a fixed connection.
Shell 11 can be by injection molding, and shell 11 is preferably square block, and the deformation nature of side plate is more preferable, convenient for tearing open
Dress, shell 11 can be made of PBT (poly- to stupid dioctyl phthalate butanediol ester) material, have excellent chemical stability, machinery
Intensity, electrical insulation characteristics and thermal stability；Certainly, which can also be made of other materials according to demand.
In addition, 14 quantity of contact pin on support base 13 can also be increased or decreased according to the actual situation, only need to simultaneously by
Shell 11 and support base 13 carry out corresponding scaling.
Location structure in the present embodiment includes locating piece 112 and locating slot 135, optionally sets locating piece 112
It sets on supporting block 111 or support base 13, locating slot 135 is then correspondingly arranged.
It please correspond to referring to Figures 1 and 2, supporting block 111 is arranged in close to the one side of opening in the locating piece 112 in the present embodiment
On, locating slot 135 is arranged on support base 13, while along the direction perpendicular to the second side plate, the width of locating piece 112 is greater than branch
The width of bracer 111, locating piece 112 extend on the side of supporting block 111, so that the intensity of locating piece 112 is higher, positioning is steady
It is qualitative more preferable.
Preferably, locating piece 112, supporting block 111 and shell 11 are an integral molding structure.
Referring to figure 2. and Fig. 5, wherein Fig. 5 is the support base of highly reliable contact pin transformer of the invention and a left side for contact pin
View.
Preferably, locating piece 112 can carry out chamfered close to one end of opening, so that locating piece 112 is close to opening one
The cross section at end is smaller, while locating slot 135 makees corresponding design, that is, forms the slot structure of trapezoidal shape cross section in Fig. 5, convenient for fixed
Position assembly, and the location fit for squeezing fastening can be formed after being located by connecting.
Wherein, supporting block 111 is arranged in the lower part of the second side plate and the 4th side plate interior sides, passes through 111 come pairs of supporting block
Bottom plate 12 and electromagnetic element form support, enable support base 13 to be very easily packed into the interior intracavitary of shell 11, by outer
After the Primary Location of 11 inner wall of shell, locating slot 135 can be located by connecting with the formation of locating piece 112 well, and support easy for installation is steady
It is fixed.
In the present embodiment, the thickness of the first side plate is equal to the thickness of third side plate, and the thickness of the second side plate is equal to the 4th
The thickness of side plate, the thickness of the first side plate are greater than the thickness of the second side plate, and the second side plate and the 4th side plate thickness are thinner, and deformation is more
Easily, it is connect cooperation convenient for forming interference with bottom plate 12, the first side plate and third side plate thickness are thicker, so that shell 11 is whole
Body intensity is stronger.
In the present embodiment, on 11 inner wall of shell setting there are three extrusion lug 113, adjacent extrusion lug 113 it
Between gap area side plate it is relatively thin, be conducive to deformation, while side plate is in deformation process, the deformation quantity at middle part is maximum, therefore will
The thickness of intermediate extrusion lug 113 is set greater than the thickness of the extrusion lug 113 at both ends, so that three extruding are convex after deformation
Block 113 can form preferable interference with bottom plate 12 and connect.
It is to be appreciated that extrusion lug 113 is the lesser thin slice of projection thickness, it is integrally formed knot with shell 11
Structure.
In the present embodiment, support base 13 is connected on bottom plate 12, and positioning column 122 is provided on bottom plate 12, is being supported
Location hole 134 for being located by connecting with positioning column 122 is provided on seat 13 so that support base 13 and bottom plate 12 formed compared with
Stable connection, while cooperating the connection of bottom plate 12 Yu shell 11, the connection of support base 13 and shell 11, so that three was formed
Integrally-built stability is very strong；
Optionally, the bottom in location hole 134 is provided with elastomer block 1341, and elastomer block 1341 is used for and positioning column 122
Elastic Contact flexibly supports so that positioning column 122 forms support base 13, reinforces the stability of strutting system to support base 13.
Wherein, since multiple support bases 13 can be connected on bottom plate 12, and due to the shape size of support base 13 basic one
It causes, but the electromagnetic coil being arranged on support base 13 can be different size, therefore in order to by the electromagnetic coil of corresponding specification
The setting position being connected on bottom plate 12 is installed, the diameter of the positioning column 122 on bottom plate 12 or shape can be subjected to difference
Property setting, the location hole 134 only to match with positioning column 122 could be located by connecting therewith, will have different size with this
The support base 13 of electromagnetic coil be connected to the setting position on bottom plate 12；
Triangular prism shape, quadrangular shape, pentagonal prism shape and columned positioning column are such as disposed on bottom plate 12
122, therefore the support base 13 to match with positioning column 122 is also that uniquely, another aspect then need to be in the positioning with triangular prism shape
The electromagnetic coil of corresponding specification is set on the corresponding support base 13 of column 122.
In addition, being provided with the setting slot 133 for electromagnetic coil to be arranged on support base 13, contact pin 14, which runs through, is connected to bottom
On plate 12 and support base 13, two rows of contact pins 14 are placed with along the extending direction of support base 13, are arranged in the two sides of support base 13
Have and is limited by bending in fixing groove 131 with the one-to-one fixing groove 131 of contact pin 14, the one end of contact pin 14 far from bottom plate 12
It is interior, and the end of contact pin 14 extends in order to carry out coiling electric connection with electromagnetic coil except fixing groove 131, contact pin 14
End is provided with the winding slot 141 for the conductor wire for the electromagnetic coil that is intertwined and connected, so that the stability of coiling connection, is arranged slot
The conductor wire of electromagnetic coil in 133 extends along fixing groove 131, is then intertwined and connected in the winding slot 141 of 14 end of contact pin.
Wherein, supporting lug 132, supporting lug 132 and bottom are additionally provided in the one side of bottom plate 12 in support base 13
When the limit contact of plate 12, contact pin 14 and 12 grafting of bottom plate in place, while make between support base 13 and bottom plate 12 at a distance of setting away from
From avoiding contact pin 14 and bottom plate 12 from being formed and interfere.
Further, electromagnetic coil and be arranged slot 133 inner wall between be provided with glue-line so that electromagnetic coil with
Insulation is formed between contact pin 14.
Referring to figure 5. and Fig. 6, wherein Fig. 6 be highly reliable contact pin transformer of the invention support base top view.
The isolation raised line 136 for multiple electromagnetic coils to be isolated is provided in setting slot 133, so that electromagnetic coil is set
Seated position can be limited, so that the distribution of multiple coil groups is more uniform orderly, be radiated also more preferable, wherein isolation raised line 136
Length it is settable be less than setting slot 133 width, save cost, avoid influence leading line wiring.
In the present embodiment, the parallel multiple support bases 13 of extending direction, the bottom in shell 11 are connected on bottom plate 12
The support rim 15 for being used to support the strip of electromagnetic element is provided on face, support rim 15 is by the bottom surface in shell 11
On central point, the extending direction of support rim 15 is vertical with the extending direction of support base 13, and a support rim 15 is to multiple
Support base 13 forms support, and support rim 15 supports to the middle part of each support base 13, supporting & stablizing.
Wherein, it is provided with elastomeric pad 16 between the bottom surface in support rim 15 and shell 11, elastomeric pad 16 is preferably
Elastic silica gel material, when electromagnetic element is fixedly attached on shell 11 by bottom plate 12, it is convex that electromagnetic element squeezes support
Platform 15 makes elastomeric pad 16 be in elastic compression, due on electromagnetic coil setting to the setting slot 133 on support base 13
When position and height be deviated, and by the elastic energy of deformation of elastomeric pad 16 to the electricity with position and height tolerance
Magnetic coil forms preferable support；
Optionally, the two sides of elastomeric pad 16 can be fixedly connected with shell 11 and support rim 15 respectively by glue,
The mode of glue bonding makes subsequent can pass through apply external force disassembly support rim 15.
Preferably, since electromagnetic coil may be in irregular setting to setting slot 133, it is therefore more likely that forming tip
Portion, therefore bit-avoiding slot 151 is provided on support rim 15 avoids the flat of point and support rim 15 by bit-avoiding slot 151
Face forms unstable support.
Referring to figure 4., it is preferred that support rim 15 can be made of multiple connect with the one-to-one boss section of support base,
It is connected between boss section by connection structure, connection structure includes that link block 152 and link slot (connect since link block 152 cooperates
Connect in link slot, therefore 152 meaning of serial number can also be link slot in figure), company is respectively arranged at the both ends of a boss section
Block 152 and link slot are connect, link slot runs through the end that boss section is arranged in；
The bottom surface of link slot extended perpendicularly in shell is provided between the bottom surface in multiple boss sections and shell
The equal or unequal elastomeric pad 126 of quantity can pass through due to the electromagnetic coil of settable different size on support base 13
Elastomeric pad 126 in varying numbers is set to adjust the height of boss section, so that boss section can be to the electromagnetism of different size
Coil is supported, strong applicability；
On the other hand, it is provided with fixed block 116 on two opposite inner walls of shell 11, on a fixed block 116
Be provided with link block 1161, be provided with link slot on another fixed block 116 so that boss section can by connection structure with
Shell 11 is fixedly connected.
It is understood that the angle from cross section, the shape of link block 152 is not limited to the trapezoidal shape in figure, may be used also
To be T-type shape, round (incomplete circle) etc..
Referring to figure 3., multiple external devices that are used for are provided on lateral surface of the shell 11 far from opening to run through to squeeze out
The through-hole 115 of electromagnetic element.
The working principle of the invention: before assembly, contact pin 14 need to be plugged on support base 13, and one end of contact pin 14 is led to
Bending limit is crossed in fixing groove 131, glue-line then is set in the setting slot 133 of support base 13, electromagnetic coil setting is existed
On glue-line, and the conductor wire of electromagnetic coil is intertwined and connected and is extended on the end except fixing groove 131 in contact pin 14, thus shape
At electromagnetic element；
Then several electromagnetic elements are taken and correspond to respective contact pin 14 through the connecting hole being plugged on bottom plate 12
It is interior, and positioning column 122 is located by connecting with location hole 134, and supporting lug 132 is contacted with the limit of bottom plate 12, is supported at this time
At a distance of set distance between seat 13 and bottom plate 12, so that the end that extends of contact pin 14 has and keeps away bit space；
Subsequently, shell 11 is taken, electromagnetic element is encased in intracavitary in shell 11 locating slot on support base 13
135 gradually form location fit with locating piece 112, while the two sides of bottom plate 12 gradually form Interference contact with extrusion lug 113,
Card slot 121 on bottom plate 12 is gradually snapped connection with the formation of fixture block 114, and last support base 13 can obtain the support of supporting block 111,
Electromagnetic coil is contacted with the support of support rim 15；The assembling of the contact pin transformer is completed in this way.
It can be understood that dismantling process, which essentially consists in remove bottom plate 12 and electromagnetic element, is detached from shell 11, wherein
Only exist and snap connection between bottom plate 12 and the first side plate and third side plate, thus the two sides of bottom plate 12 can respectively with the first side plate
At a distance of set distance between third side plate, disassembly gap is formed；
When needing to disassemble, only first side plate at 114 place of fixture block and third side plate need to be broken outward into two with one's hands setting degree,
Squeezing electromagnetic element through through-hole 115 using external device simultaneously can easily be squeezed out, simple and convenient；
Alternatively, sheet tool or nail also can be used, only levered up from the first side plate or third side plate by bottom plate 12, so that card
Block 114 and card slot 121 are disconnected, and then gradually movable floor 12 and the other side of bottom plate 12 are levered up, so that the card of the other side
Block 114 and card slot 121 are also disconnected, and bottom plate 12 is emerged in except shell 11, and can take out electromagnetic element simultaneously；
The contact pin 14 and finger that wherein the advantage of second of dismantling mode is that the requirement to tool is low, but extends are easy to produce
Raw interference, and when agitating the side of bottom plate 12, support base 13 is deviated toward side, and the inner wall of support base 13 and shell 11 is also easy to produce
Raw interference, dismantling are more difficult.
The disassembly process of the highly reliable contact pin transformer of this preferred embodiment is completed in this way.
The highly reliable contact pin transformer of this preferred embodiment is crowded by forming the wherein two sides of bottom plate with extrusion lug
Pressure connection, to limit bottom plate and the relative motion of shell in one direction, while by fixed between supporting block and support base
Bit architecture is located by connecting, to limit bottom plate and the relative motion of shell in the other directions, on the other hand also passes through fixture block
It is snapped connection with card slot formation, so that forming being fastenedly connected for without motion gap between shell and bottom plate, stable structure can
It leans on.
In conclusion although the present invention has been disclosed above in the preferred embodiment, but above preferred embodiment is not to limit
The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention
Decorations, therefore protection scope of the present invention subjects to the scope of the claims.
Claims (10)
1. a kind of highly reliable contact pin transformer, which is characterized in that including having shell, bottom plate and the electromagnetism member device of opening
Part；
Wherein, the electromagnetic element includes support base, the electromagnetic coil being fixed on the support base and is inserted into
Contact pin on the support base, on the housing to close the opening, the support base is located at described for the bottom plate connection
Shell it is interior intracavitary, the contact pin is extended in outside through the bottom plate；
Be respectively with the adjacent four blocks of side plates of the opening on the shell the first side plate, the second side plate, third side plate and
4th side plate is provided with fixture block on the inside of opposite the first side plate and third side plate, and in the two sides of the bottom plate, setting is useful
In the card slot snapped connection with fixture block, the second side plate and the 4th side plate interior sides close to the top of the opening be provided with one piece or
Muti-piece extrusion lug, lower part are provided with one or more supporting block, and the extrusion lug is used to be formed with the two sides of the bottom plate
Contact is squeezed, the supporting block is used to support the support base, passes through location structure between the supporting block and the support base
It is located by connecting.
2. highly reliable contact pin transformer according to claim 1, which is characterized in that the location structure includes locating piece
And the supporting block is arranged in the one side of the opening in locating slot, the locating piece, the locating slot is arranged described
On support base, along the direction perpendicular to second side plate, the width of the locating piece is greater than the width of the supporting block, described
Locating piece extends on the side of the supporting block, and the locating piece, the supporting block and the shell are integrally formed knot
Structure；
Multiple external devices that are used for are provided on lateral surface of the shell far from the opening to run through to squeeze out the electromagnetism
The through-hole of component.
3. highly reliable contact pin transformer according to claim 1, which is characterized in that the thickness of first side plate is equal to
The thickness of the third side plate, the thickness of second side plate are equal to the thickness of the 4th side plate, the thickness of first side plate
Degree is greater than the thickness of second side plate, and there are three the extrusion lugs for setting on the outer casing inner wall, and intermediate is described crowded
The thickness of belling block is greater than the thickness of the extrusion lug at both ends.
4. highly reliable contact pin transformer according to claim 1, which is characterized in that the support base is connected to the bottom
On plate, it is provided with positioning column on the bottom plate, is provided on the support base for being located by connecting with the positioning column
Location hole；
The bottom of the positioning hole is provided with elastomer block, the elastomer block be used for the positioning column Elastic Contact so that
The positioning column forms the support base and flexibly supports.
5. highly reliable contact pin transformer according to claim 1, which is characterized in that the contact pin is described through being connected to
On bottom plate and the support base, two rows of contact pins are placed with along the extending direction of the support base, in the support base
Two sides, which are provided with, to be existed with the one-to-one fixing groove of the contact pin, the one end of the contact pin far from the bottom plate by bending limit
In the fixing groove, and the end of the contact pin extend except the fixing groove in order to the electromagnetic coil carry out coiling
Be electrically connected, be additionally provided with supporting lug in the one side of the bottom plate in the support base so that the support base and
At a distance of set distance between the bottom plate, avoids contact pin and bottom plate from being formed and interfere.
6. highly reliable contact pin transformer according to claim 5, which is characterized in that be arranged on the support base useful
In the setting slot that the electromagnetic coil is arranged, it is provided with glue-line between the electromagnetic coil and the inner wall of the setting slot,
So that forming insulation between the electromagnetic coil and the contact pin, it is provided in the setting slot multiple described for being isolated
The isolation raised line of electromagnetic coil.
7. highly reliable contact pin transformer according to claim 1, which is characterized in that be connected with extension on the bottom plate
The parallel multiple support bases in direction are provided with the strip for being used to support the electromagnetic element on the bottom surface in the shell
The support rim of shape, the support rim is by the central point on the bottom surface in the shell, the extension side of the support rim
To vertical with the extending direction of the support base.
8. highly reliable contact pin transformer according to claim 7, which is characterized in that the support rim and the shell
It is provided with elastomeric pad between interior bottom surface, when the electromagnetic element is fixedly attached on the shell by the bottom plate
When, the electromagnetic element squeezes the support rim and the elastomeric pad is made to be in elastic compression.
9. highly reliable contact pin transformer according to claim 8, which is characterized in that the support rim is by multiple and institute
The one-to-one boss section connection composition of support base is stated, is connected between the boss section by connection structure, the connection structure
Including link block and link slot, the link block and the link slot, institute are respectively arranged at the both ends of a boss section
It states link slot and runs through the end that the boss section is set；
The bottom surface of the link slot extended perpendicularly in the shell, the bottom in multiple boss sections and the shell
The equal or unequal elastomeric pad of quantity is provided between face；
It is provided with fixed block on two opposite inner walls of the shell, is provided with the connection on a fixed block
Block is provided with the link slot on another described fixed block, so that the boss section passes through the connection structure and institute
Shell is stated to be fixedly connected.
10. highly reliable contact pin transformer according to claim 1, which is characterized in that be arranged on the bottom plate useful
In the connecting hole of contact pin perforation, the connecting hole includes the taper hole section penetrated conducive to contact pin and for regulation contact pin
Circular hole portion, the contact pin interference are connected in the circular hole portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811613267.2A CN109461559B (en) | 2018-12-27 | 2018-12-27 | High-reliability contact pin transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811613267.2A CN109461559B (en) | 2018-12-27 | 2018-12-27 | High-reliability contact pin transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109461559A true CN109461559A (en) | 2019-03-12 |
| CN109461559B CN109461559B (en) | 2023-12-29 |
Family
ID=65615310
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811613267.2A Active CN109461559B (en) | 2018-12-27 | 2018-12-27 | High-reliability contact pin transformer |
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| Country | Link |
|---|---|
| CN (1) | CN109461559B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113871141A (en) * | 2021-11-02 | 2021-12-31 | 李静 | Inductor shell insulation protection device |
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| CN113871141B (en) * | 2021-11-02 | 2023-08-18 | 李静 | Inductor shell insulation protection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109461559B (en) | 2023-12-29 |
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