CN109859990A - A kind of face terminals of high voltage direct current relay - Google Patents
A kind of face terminals of high voltage direct current relay Download PDFInfo
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- CN109859990A CN109859990A CN201910129716.4A CN201910129716A CN109859990A CN 109859990 A CN109859990 A CN 109859990A CN 201910129716 A CN201910129716 A CN 201910129716A CN 109859990 A CN109859990 A CN 109859990A
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- connecting pin
- briquetting
- accommodating hole
- exit
- threaded portion
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- 238000005476 soldering Methods 0.000 claims abstract description 22
- 239000000919 ceramic Substances 0.000 claims abstract description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 43
- 229910052802 copper Inorganic materials 0.000 claims description 43
- 239000010949 copper Substances 0.000 claims description 43
- 239000000463 material Substances 0.000 claims description 27
- 229910000679 solder Inorganic materials 0.000 claims description 15
- 239000010935 stainless steel Substances 0.000 claims description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims description 11
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 239000000155 melt Substances 0.000 claims description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical group [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 11
- 238000003466 welding Methods 0.000 description 9
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 3
- 235000011613 Pinus brutia Nutrition 0.000 description 3
- 241000018646 Pinus brutia Species 0.000 description 3
- 238000005219 brazing Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000010257 thawing Methods 0.000 description 2
- 241000784726 Lycaena thetis Species 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
Landscapes
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The present invention discloses a kind of face terminals of high voltage direct current relay, including connecting pin and the exit being arranged in relay ceramic shield, exit head is equipped with accommodating hole, the lower end of connecting pin can be adaptedly inserted into accommodating hole and be threadedly engaged with accommodating hole and connect, there is briquetting by weld tabs soldering connection at the accommodating hole aperture of exit, connecting pin is equipped with the limiting section that can be matched with briquetting, and the lower end of connecting pin can be pressed in accommodating hole by the cooperation of briquetting and limiting section and fallen off to prevent connecting pin.The maximum torque that its connecting pin of the invention can bear is larger, the torque demand when connecting pin of a variety of screw thread specifications can be made to be all satisfied use, the lower end of connecting pin can be pressed in accommodating hole with anti-dropout by the cooperation of briquetting and limiting section, connecting pin can be vertically connected on exit by lower threaded portion and being threadedly engaged for aperture, have good use reliability.
Description
Technical field
The present invention relates to high voltage direct current relay technical fields, and in particular to a kind of load end of high voltage direct current relay
Son.
Background technique
Currently, the face terminals of high voltage direct current relay mainly have with flowering structure in the market: 1, the extraction of oxygen-free copper material
Hold direct vehicle that external thread form is made and forms external screw thread connecting pin, exit need to be brazed the ceramic shield in relay when production
On, when the oxygen-free copper hardness after high temperature brazing can reduce, the peak torque for causing external screw thread connecting pin can bear declines,
It is unable to satisfy torque demand when practical application, so as to cause face terminals sliding teeth or fracture, shortens the service life of relay.2,
The exit of oxygen-free copper material is fixed with screw using screw thread glue, and exit portion temperature is excessively high when due to work, and glue is easy old
Change, causes to fail.3, the screw of the exit welding alloy copper material of oxygen-free copper material, screw form external screw thread connecting pin, close
Golden copper (such as dispersion copper) is although without being substantially reduced, the screw of alloy copper material is unable to satisfy its hardness after high temperature brazing
The torque specifications of all screw thread specifications, the screw through testing M10 screw thread specification can meet torque demand when use, but M8 and M5
Screw thread specification is unable to satisfy torque demand.And the face terminals in structure 2 and structure 3, when in use when external screw thread exit institute
When the torque of receiving is more than the peak torque that it can bear, soldering failure will cause, there is the risk to fall off in connecting pin.And it is existing
The verticality of connecting pin and exit end face be relatively difficult to guarantee, connecting pin is easy to appear inclination when use, leads to face terminals
Use reliability is not good enough.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of face terminals of high voltage direct current relay, connecting pins
The maximum torque that can bear is larger, and has good versatility, and the connecting pin of a variety of screw thread specifications can be made to be able to satisfy
The lower end of connecting pin can be pressed in accommodating hole to prevent connecting pin by torque demand when use by the cooperation of briquetting and limiting section
It falls off, connecting pin can be vertically connected on exit by lower threaded portion and being threadedly engaged for aperture, have good use can
By property.
In order to achieve the above objectives, the present invention is achieved by the following technical solutions:
A kind of face terminals of high voltage direct current relay are drawn including connecting pin and the exit being arranged in relay ceramic shield
End head is equipped with accommodating hole out, and the lower end of connecting pin, which can be adaptedly inserted into accommodating hole and be threadedly engaged with accommodating hole, to be connect,
There is briquetting by weld tabs soldering connection at the accommodating hole aperture of exit, connecting pin is equipped with the limit that can be matched with briquetting
The lower end of connecting pin can be pressed in accommodating hole by the cooperation of briquetting and limiting section and be fallen off to prevent connecting pin by portion.
Further, the connecting pin from top to bottom sequentially forms threaded portion, limiting section and lower threaded portion, accommodating hole and includes
The macropore and aperture of coaxial arrangement, and in big top and small bottom, limiting section and lower threaded portion can adaptedly be inserted into the macropore of accommodating hole
In aperture, and lower threaded portion is connect with aperture by being threadedly engaged.
Further, the limiting section is convex.
Further, the limiting section is annular flange, and the diameter of annular flange is greater than the bar diameter of upper threaded portion, annular flange
It is clearance fit between the peripheral wall of macropore, and be fixedly connected on the briquetting at accommodating hole aperture to be pressed in annular flange to incite somebody to action
The limiting section of connecting pin and lower threaded portion are firmly pressed in accommodating hole.
Further, the briquetting is equipped with a through-hole, and briquetting can be set on connecting pin by the through-hole, and can be pressed in limit
In the portion of position.
Further, the connecting pin is vertically connected on exit by lower threaded portion and being threadedly engaged for aperture.
Further, the depth of the aperture is greater than the depth of macropore.
Further, the bar diameter of the lower threaded portion is equal to or less than the bar diameter of upper threaded portion.
Further, when the exit and briquetting are welded by weld tabs, some solder after weld tabs melts can trickle into even
It connects in the gap that end is threadedly engaged with accommodating hole.
Further, the exit is the exit of oxygen-free copper material, and connecting pin is the connecting pin of stainless steel material, briquetting
For the briquetting of metal material, weld tabs is silver-bearing copper weld tabs.
Further, the briquetting is the briquetting of copper material or alloy copper material.
The face terminals of high voltage direct current relay of the present invention, have the advantages that
1, a briquetting is fixedly connected at accommodating hole aperture, connecting pin is equipped with the limiting section that can be matched with briquetting,
The lower end of connecting pin can be pressed in accommodating hole by the cooperation of briquetting and limiting section, guarantee the lower threaded portion and appearance in connecting pin
Set between the aperture in hole being threadedly engaged occur sliding teeth when, the connecting pin being connected on exit will not fall off.
2, exit be oxygen-free copper material exit, connecting pin be stainless steel material connecting pin, due to oxygen-free copper with
The coefficient of expansion of stainless steel is close, when through weld tabs welding briquetting and exit, the hardness of the connecting pin of stainless steel material without
Significant change, the peak torque that can guarantee that it can bear are not influenced by soldering.
3, the solder meeting small part melted when being brazed is trickled into connecting pin lower end and accommodating hole Screw Thread Fit Clearance, is made
Obtaining is not only to be threadedly engaged connection between the lower end and accommodating hole of connecting pin, also has soldering connection and fixation, greatly mentions
The stable connection of the accommodating hole of high connecting pin lower end and exit, further improves use reliability.
4, connecting pin uses to be threadedly engaged to connect with aperture by lower threaded portion can guarantee connecting pin and exit end face
Verticality, guarantee will not occur connecting pin with respect to the inclined possibility of exit when in use, further improve use reliability.
5, it connects and melts when welding briquetting and exit by weld tabs by lower threaded portion and being threadedly engaged for aperture
The gap that some solder after change is threadedly engaged by the gap trickling between connecting pin and accommodating hole to lower threaded portion and aperture
In and formed soldering connection composition duplex connecting structure, make to can be further improved the peak torque that connecting pin can bear.
6, upper threaded portion can be cooperatively connected by nut and external copper bar, after weld tabs melts when welding briquetting and exit
The gap that is threadedly engaged to lower threaded portion and aperture by the trickling of gap between connecting pin and accommodating hole of some solder in
Soldering connection is formed, the solder in gap that lower threaded portion and aperture are threadedly engaged not only acts as connection function, also acts as anti-rotation
Fixed function, when assembling copper bar, the phenomenon that " with tight with pine " will not occur because of the structure for being double thread in connecting pin.
7, the torque demand when torque of M5, M8, M10 screw thread specification can be made to be all satisfied use has good versatility.
Detailed description of the invention
Fig. 1 is the overall structure diagram that the face terminals of the embodiment of the present invention are assemblied on relay.
Fig. 2 is the structural schematic diagram of the face terminals of the embodiment of the present invention.
Fig. 3 is partial structurtes enlarged drawing at A in Fig. 2.
Fig. 4 is the structural schematic diagram of the briquetting of the embodiment of the present invention.
Fig. 5 is the decomposition texture schematic diagram of the exit of the embodiment of the present invention, connecting pin, weld tabs and briquetting.
Fig. 6 is another structural schematic diagram of the briquetting of the embodiment of the present invention.
Fig. 7 is another structural schematic diagram of the briquetting of the embodiment of the present invention.
Fig. 8 is the yet another construction schematic diagram of the briquetting of the embodiment of the present invention.
Fig. 9 is the structural schematic diagram of the connecting pin of the embodiment of the present invention.
Figure 10 is another structural schematic diagram of the connecting pin of the embodiment of the present invention.
Figure 11 is another structural schematic diagram of the connecting pin of the embodiment of the present invention.
Figure 12 is the assembling schematic diagram of face terminals of the embodiment of the present invention and copper bar.
Label declaration:
1, connecting pin, 11, upper threaded portion, 12, limiting section, 13, lower threaded portion, 2, exit, 21, accommodating hole, 211, big
Hole, 212, aperture, 3, relay ceramic shield, 4, weld tabs, 5, briquetting, 6, relay, 7, copper bar, 8, nut.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and embodiments.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Please refer to attached drawing 1, attached drawing 2, attached drawing 3, attached drawing 4, attached drawing 5, attached drawing 9, in the present embodiment, a kind of high voltage direct current relay
The face terminals of device, including connecting pin 1 and the exit 2 being arranged in the relay ceramic shield 3 of relay 6,2 head of exit
It is equipped with accommodating hole 21, the lower end of connecting pin 1, which can be adaptedly inserted into accommodating hole 21 and be threadedly engaged with accommodating hole 21, to be connect, and is drawn
There is a briquetting 5 by 4 soldering connection of weld tabs at 21 aperture of accommodating hole of outlet 2, connecting pin 1 is equipped with and can match with briquetting 5
The lower end of connecting pin 1 can be pressed in accommodating hole 21 by the cooperation of briquetting 5 and limiting section 12 and be drawn to prevent being connected to by limiting section 12
Connecting pin 1 in outlet 2 falls off.In the present embodiment, it is preferable that exit 2 is the exit of oxygen-free copper material, and connecting pin 1 is
The connecting pin of stainless steel material, weld tabs 4 are silver-bearing copper weld tabs, since the coefficient of expansion of oxygen-free copper and stainless steel is close, are passing through weldering
When piece 4 welds briquetting 5 and exit 2, the hardness of the connecting pin 1 of stainless steel material can guarantee that it can bear without significant change
Peak torque do not influenced by soldering, the solder that when soldering melts can small part trickling to 1 lower end of connecting pin and 21 spiral shell of accommodating hole
In line fit clearance, so that being not only to be threadedly engaged connection between the lower end and accommodating hole of connecting pin 1, also there is soldering to connect
It connects and fixes, greatly improve the stable connection of the accommodating hole 21 of 1 lower end of connecting pin and exit 2, further improve
Use reliability.But it in use, may cause if torque has been more than the peak torque that connecting pin 1 can bear
It is threadedly engaged generation sliding teeth between lower threaded portion 13 and the aperture 212 of accommodating hole 21, makes the connecting pin being connected on exit 2
1 has a possibility to fall off, in the present embodiment, is fixedly connected with a briquetting 5 at 21 aperture of accommodating hole, and connecting pin 1 is equipped with can be with
The lower end of connecting pin 1 can be pressed in accommodating hole 21 by the cooperation of briquetting 5 and limiting section 12 by the limiting section 12 that briquetting 5 matches
It is interior, when guaranteeing that sliding teeth occurs for being threadedly engaged between the lower threaded portion 13 of connecting pin 1 and the aperture 212 of accommodating hole 21, connection
Connecting pin 1 on exit 2 will not fall off.
Attached drawing 2, attached drawing 3, attached drawing 5, attached drawing 9 are please referred to, in the present embodiment, it is preferable that the from top to bottom successively shape of connecting pin 1
At upper threaded portion 11, limiting section 12 and lower threaded portion 13, accommodating hole 21 includes the macropore 211 and aperture 212 of coaxial arrangement, and is in
Up big and down small shape, limiting section 12 and lower threaded portion 13 can be adaptedly inserted into the macropore 211 and aperture 212 of accommodating hole 21, and under
Threaded portion 13 is connect with aperture 212 by being threadedly engaged.In the present embodiment, it is preferable that the depth of aperture 212 is greater than macropore 211
Depth.Connecting pin 1 is vertically connected on exit 2 by lower threaded portion 13 and being threadedly engaged for aperture 212.The present embodiment
In, connecting pin 1 uses to be threadedly engaged to connect with aperture 212 by lower threaded portion 13 can guarantee connecting pin 1 and 2 end face of exit
Verticality, guarantee will not occur connecting pin 1 with respect to the inclined possibility of exit 2 when in use, further improve using reliable
Property.It is connect by lower threaded portion 13 with being threadedly engaged for aperture 212, and when welding briquetting 5 and exit 2 by weld tabs 4,
Some solder after thawing passes through the gap trickling between connecting pin 1 and accommodating hole 21 to lower threaded portion 13 and 212 screw thread of aperture
The duplex connecting structure of the soldering connection composition formed in the gap of cooperation, making to can be further improved connecting pin 1 can bear
Peak torque.And upper threaded portion can be cooperatively connected by nut 8 and external copper bar 7, welded briquetting 5 by weld tabs 4 and drawn
Some solder after melting when outlet 2 passes through the gap trickling between connecting pin 1 and accommodating hole 21 to lower threaded portion 13 and aperture
Soldering connection is formed in 212 gaps being threadedly engaged, the solder in gap that lower threaded portion 13 is threadedly engaged with aperture 212 is not
Only play connection function, also act as anti-rotation fixed function, when assembling copper bar connecting pin will not because of the structure for being double thread and
There is the phenomenon that " with tight with pine ", i.e., nut 8 can be screwed on upper threaded portion 11 and be unscrewed, and the lower threaded portion 13 of connecting pin 1
Always it is fixedly connected in the accommodating hole 21 of exit 2 and motionless.
Please refer to attached drawing 2, attached drawing 3, in the present embodiment, limiting section 12 is convex.Preferably, limiting section 12 is convex annular
Edge, the diameter of annular flange are greater than the bar diameter of upper threaded portion 11, are clearance fit between annular flange and the peripheral wall of macropore 211,
And it is fixedly connected on the briquetting 5 at 21 aperture of accommodating hole and can be pressed in annular flange with by the limiting section 12 and lower spiral shell of connecting pin 1
Line portion 13 is firmly pressed in accommodating hole 21.
Attached drawing 5 is please referred to, in the present embodiment, it is preferable that briquetting 5 is circle, and briquetting 5 is equipped with a through-hole, it is preferable that
A through-hole is equipped at the center of briquetting 5, briquetting 5 can be set on connecting pin 1 by the through-hole, and can be pressed on limiting section 12.
However it will be understood by those skilled in the art that the shape of briquetting 5 is also possible to other shapes, as shown in attached drawing 6 to attached drawing 8, briquetting 5
It can be triangle, rectangular or hexagon, so that briquetting 5 is set on connecting pin 1 as long as being equipped with a through-hole on briquetting 5,
And it can be pressed on limiting section 12.In the present embodiment, it is preferable that the through-hole on briquetting 5 can be straight hole, can also be screw thread
Hole is equipped with one end polished rod portion, is gap between briquetting 5 and the polished rod portion between the upper threaded portion 11 and limiting section 12 of connecting pin 1
Cooperation, the bottom of briquetting 5 is pressed on the limiting section 12 of connecting pin 1 when briquetting 5 being enable to be set on connecting pin 1.
Attached drawing 9 is please referred to attached drawing 11, in the present embodiment, the bar diameter of lower threaded portion 13 can greater than, equal to or be less than upper
The bar diameter of threaded portion 11, but the wall thickness on 2 head of exit can be made thinning in view of 2 head of exit has opened up accommodating hole, it is conductive
Sectional area becomes smaller, and leads to serious problem of generating heat, in the present embodiment, it is preferable that the bar diameter of lower threaded portion 13 is equal to or less than upper
The bar diameter of threaded portion 11.
Please refer to attached drawing 3, in the present embodiment, briquetting 5 is the briquetting of metal material, it is contemplated that the performances such as conductive and soldering,
Preferably, briquetting 5 is the briquetting of copper material or alloy copper material, and briquetting 5 is fixedly connected on the appearance of exit 2 by the soldering of weld tabs 4
At the aperture for setting hole 21.Copper material or alloy copper material and oxygen-free copper weld, and the coefficient of expansion is closer between similar material, and welding is more
Fastening.In addition, it will be understood by those skilled in the art that can also pass through solder when briquetting soldering to be fixedly connected on exit 2
Trickling expands the part that brazing surface matches briquetting 5 with limiting section 12 and is also welded to together, and then further improves
The stability of connecting pin 1.
In the present embodiment, exit 2 is the exit of oxygen-free copper material, and connecting pin 1 is the connecting pin of stainless steel material, weldering
Piece 4 is silver-bearing copper weld tabs, since the coefficient of expansion of oxygen-free copper and stainless steel is close, is welding briquetting 5 and exit 2 by weld tabs 4
When, the hardness of the connecting pin 1 of stainless steel material can guarantee peak torque that it can bear not by soldering shadow without significant change
It rings.The solder meeting small part trickling melted when soldering is into 1 lower end of connecting pin and 21 Screw Thread Fit Clearance of accommodating hole, so that even
Connecing is not only to be threadedly engaged connection between the lower end and accommodating hole at end 1, also has soldering connection and fixation, greatly improves
The stable connection of the accommodating hole 21 of 1 lower end of connecting pin and exit 2, further improves use reliability.Connecting pin 1 passes through
Lower threaded portion 13, using the verticality for connecting certifiable connecting pin 1 and 2 end face of exit is threadedly engaged, guarantees with aperture 212
Connecting pin 1 will not occur when use with respect to the inclined possibility of exit 2, further improve use reliability.Pass through lower screw thread
Portion 13 is connect with being threadedly engaged for aperture 212, and the part when welding briquetting 5 and exit 2 by weld tabs 4, after thawing
Solder is trickled by the gap between connecting pin 1 and accommodating hole 21 in the gap being threadedly engaged to lower threaded portion 13 with aperture 212
And the duplex connecting structure of the soldering connection composition formed, make to can be further improved the peak torque that connecting pin 1 can bear.And
Upper threaded portion can be cooperatively connected by nut 8 and external copper bar 7, after melting when welding briquetting 5 and exit 2 by weld tabs 4
Some solder be threadedly engaged to lower threaded portion 13 with aperture 212 by the trickling of gap between connecting pin 1 and accommodating hole 21
Soldering connection is formed in gap, the solder in gap that lower threaded portion 13 is threadedly engaged with aperture 212, which not only acts as, connect work
With also acting as anti-rotation fixed function, connecting pin will not occur because of the structure for being double thread " with tight same when assembling copper bar
The phenomenon that pine ".A briquetting 5 is fixedly connected at 21 aperture of accommodating hole, connecting pin 1 is equipped with the limit that can be matched with briquetting 5
The lower end of connecting pin 1 can be pressed in accommodating hole 21 by the cooperation of briquetting 5 and limiting section 12, be guaranteed in connecting pin 1 by position portion 12
Lower threaded portion 13 and accommodating hole 21 aperture 212 between be threadedly engaged the connection that is connected on exit 2 when sliding teeth occurs
End 1 will not fall off.Torque demand when the present embodiment can make the torque of M5, M8, M10 screw thread specification be all satisfied use, has
Good versatility.As shown in Fig. 12, it is connected with nut 8 on upper threaded portion 11, is connected to the clamping of copper bar 7 by nut 8
Between briquetting 5 and nut 8, it is preferable that in order to preferably clamp copper bar 7, plain cushion and spring washer are equipped between copper bar 7 and nut 8,
In this way in locking nut 8, copper bar 7 can be crushed on briquetting 5 and be connected with connecting pin 1, in use, under external force,
Even if lower threaded portion 13 is threadedly engaged generation sliding teeth with aperture 212, but can will be limited by briquetting 5 and the cooperation of limiting section 12
Portion 12 and lower threaded portion 13 are pressed in accommodating hole 21 and connecting pin 1 are made still to be connected on exit and not fall off, and ensure that makes
Use reliability.Furthermore it will be understood by those skilled in the art that if copper bar 7 is to clamp connection by nut 8 to draw without briquetting 5
Between end 2 and nut 8, when locking nut 8, copper bar 7 is crushed on exit 2, in use, may cause when external force is excessive
Sliding teeth occurs for lower threaded portion 13 and the threaded connection of aperture 212, and connecting pin 1 will entirely deviate from exit 2, and copper bar 7 will also lose
With the connection of the upper threaded portion 11 of connecting pin, use reliability not can guarantee.
The above, embodiment are merely illustrative of the technical solution of the present invention, rather than its limitations；Although referring to aforementioned reality
Applying example, invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned reality
It applies technical solution documented by example to modify, or some technical characteristics therein is equivalently replaced；And these are modified
Or replacement, so that corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, therefore this field is common
Technical staff's every other embodiment obtained without making creative work, belongs to protection model of the invention
It encloses.
Claims (10)
1. a kind of face terminals of high voltage direct current relay, it is characterised in that: including connecting pin (1) and setting in relay ceramics
The exit (2) on (3) is covered, exit (2) head is equipped with accommodating hole (21), and the lower end of connecting pin (1) can be adaptedly inserted into
It is threadedly engaged in accommodating hole (21) and with accommodating hole (21) and connect, pass through weld tabs (4) at accommodating hole (21) aperture of exit (2)
Soldering connection has briquetting (5), and connecting pin (1) is equipped with the limiting section (12) that can match with briquetting (5), by briquetting (5) with
The lower end of connecting pin (1) can be pressed in accommodating hole (21) by the cooperation of limiting section (12) to fall off to prevent connecting pin (1).
2. the face terminals of high voltage direct current relay according to claim 1, it is characterised in that: the connecting pin (1) by
Threaded portion (11), limiting section (12) and lower threaded portion (13) are sequentially formed under above, accommodating hole (21) includes coaxial arrangement
Macropore (211) and aperture (212), and it is in big top and small bottom, and limiting section (12) and lower threaded portion (13) can adaptedly be inserted into accommodating
In the macropore (211) and aperture (212) in hole (21), and lower threaded portion (13) are connect with aperture (212) by being threadedly engaged.
3. the face terminals of high voltage direct current relay according to claim 2, it is characterised in that: the limiting section (12) is in
Convex.
4. the face terminals of high voltage direct current relay according to claim 3, it is characterised in that: the limiting section (12) is
Annular flange, the diameter of annular flange are greater than the bar diameter of upper threaded portion (11), are between annular flange and the peripheral wall of macropore (211)
Clearance fit, and be fixedly connected on the briquetting (5) at accommodating hole (21) aperture and can be pressed in annular flange with by connecting pin (1)
Limiting section (12) and lower threaded portion (13) are firmly pressed in accommodating hole (21).
5. the face terminals of high voltage direct current relay according to claim 4, it is characterised in that: set on the briquetting (5)
There is a through-hole, briquetting (5) can be set on connecting pin (1) by the through-hole, and can be pressed on limiting section (12).
6. the face terminals of high voltage direct current relay according to claim 2, it is characterised in that: the connecting pin (1) is logical
It crosses down threaded portion (13) and being threadedly engaged for aperture (212) is vertically connected on exit (2).
7. the face terminals of high voltage direct current relay according to claim 2, it is characterised in that: the lower threaded portion (13)
Bar diameter be equal to or less than upper threaded portion (11) bar diameter.
8. the face terminals of high voltage direct current relay according to claim 1, it is characterised in that: the exit (2) with
When briquetting (5) is welded by weld tabs (4), some solder after weld tabs (4) melts can trickle into connecting pin (1) and accommodating hole (21)
In the gap being threadedly engaged.
9. the face terminals of high voltage direct current relay according to any one of claims 1 to 8, it is characterised in that: the extraction
Holding (2) is the exit of oxygen-free copper material, and connecting pin (1) is the connecting pin of stainless steel material, and briquetting (5) is the pressure of metal material
Block, weld tabs (4) are silver-bearing copper weld tabs.
10. the face terminals of high voltage direct current relay according to claim 9, it is characterised in that: the briquetting (5) is copper
The briquetting of material or alloy copper material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910129716.4A CN109859990A (en) | 2019-02-21 | 2019-02-21 | A kind of face terminals of high voltage direct current relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910129716.4A CN109859990A (en) | 2019-02-21 | 2019-02-21 | A kind of face terminals of high voltage direct current relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109859990A true CN109859990A (en) | 2019-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910129716.4A Pending CN109859990A (en) | 2019-02-21 | 2019-02-21 | A kind of face terminals of high voltage direct current relay |
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| CN (1) | CN109859990A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110911232A (en) * | 2019-11-07 | 2020-03-24 | 贵州天义电器有限责任公司 | Binding post assembly and brazing method and brazing tool thereof |
| CN114083240A (en) * | 2021-11-29 | 2022-02-25 | 贵州天义电器有限责任公司 | Welding method for two-body conductive block |
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| CN110911232A (en) * | 2019-11-07 | 2020-03-24 | 贵州天义电器有限责任公司 | Binding post assembly and brazing method and brazing tool thereof |
| CN114083240A (en) * | 2021-11-29 | 2022-02-25 | 贵州天义电器有限责任公司 | Welding method for two-body conductive block |
| CN114083240B (en) * | 2021-11-29 | 2024-03-01 | 贵州天义电器有限责任公司 | Welding method for two-body conductive block |
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