CN201523136U

CN201523136U - Electrical socket connector

Info

Publication number: CN201523136U
Application number: CN2009201231972U
Authority: CN
Inventors: 冯群侠; 杨志才; 沈旭立
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-06-26
Filing date: 2009-06-26
Publication date: 2010-07-07
Anticipated expiration: 2019-06-26

Abstract

The utility model relates to an electrical socket connector which comprises a moving plug-in unit and a static plug-in unit, wherein the moving plug-in unit comprises a moving socket, a first wiring terminal row and a plug, the static plug-in unit comprises a static socket and a second wiring terminal row, and the electrical socket connector is characterized in that the plug comprises a positioning part, a pair of contact pieces and pressure springs for pressing the contact pieces, wherein a chuck is arranged on the positioning part, a through hole is respectively formed on two sides of the chuck, the contact pieces penetrate into the through holes and are matched and fixed with the chuck by plugging in, the pressure springs are arranged between the contact pieces and the side walls of the through holes, one end of each pressure spring is propped against the side wall of the through hole, and the other end of each pressure spring is propped against the contact piece, thereby leading the two contact pieces to be in the trend of approaching oppositely throughout. Compared with the prior art, two sides of each contact piece are respectively pressed by the pressure springs for adjusting the gap between the two contact pieces, thereby avoiding the central position of the contact pieces and the central position of a vertical bus of a cabinet body from displacing seriously, further avoiding the defect of poor electrical contact and improving the reliability of electrical connection.

Description

Electric connector

Technical field

The utility model relates to a kind of electric connector, particularly a kind ofly is used for the major loop connector that low pressure pull-out type switchgear assembly and control appliance main circuit are used.

Background technology

The major loop connector that existing low pressure pull-out type switchgear assembly and control appliance main circuit are used, patch contact about it and the cable connection hole is an integral type, after in case cable connection is fixing, the center of left and right sides contact chip and the center of cabinet vertical bus very easily take place seriously to be offset, cause electric loose contact, cause connector to damage and can't operate as normal.Certainly will require the quality of fit at unit drawer and cabinet vertical bus center to require height to this class connector in the prior art, not only increase cost of manufacture, also time-consuming.

So, as the patent No. is the connector that the Chinese utility model " main circuit connector " of ZL200720038186.5 discloses a kind of architecture advances, it has plug, terminals, plug fixed housing, plug is combined by one or more layers plug unit stacked on top of one another, plug unit is made of plug fixed mount, paired plug blades, spring leaf, steady pin, paired plug blades is fixed by steady pin and plug fixed mount, and spring leaf is arranged between plug blades and the plug fixed mount and compresses plug blades.Its each layer plug frame is all independent relatively, when plug is inconsistent at stressed contact point and bus center, each layer plug frame is relatively independent can produce about skew, independent tolerance of proofreading and correct with the bus center is guaranteed its reliable stressed contact condition.Each layer plug all can reliably contact with bus, the stressed contact point of plug and bus center no longer takes place patch when inconsistent and produce unreliable and produce the situation of electric fault.But the contact contact pressure of the connector in the above-mentioned patent guarantees by the springs pressure of both sides, the production costs material of this springs, and hardness heat treatment is inhomogeneous, easily ruptures, the scrappage height, thus influence the whole service life of connector; And, in above-mentioned patent, the insulation keeper is parts independently, need be installed in addition on the connecting terminal block, syndeton is comparatively complicated, and only offers an alignment pin fixing hole on the connecting terminal block, and is stable inadequately when installing and locating, cause that easily plug rocks, thereby influence the connection reliability of connector.

Summary of the invention

Technical problem to be solved in the utility model be provide at above-mentioned prior art present situation a kind of long service life and automatically adjustment unit drawer and cabinet vertical bus center deviation and guarantee the electric connector of excellent electric contact.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: electric connector, include moving plug-in unit and quiet plug-in unit that inserting mutually connects, wherein, described moving plug-in unit includes moving socket, the plug that is arranged on first connecting terminal block on this moving socket and links to each other with this first connecting terminal block, described quiet plug-in unit comprise the static socket that can stretch into for plug and be arranged on this static socket and can and peg graft second connecting terminal block of cooperation of described plug, it is characterized in that: described plug includes keeper, the stage clip that is connected the paired contact chip on the keeper and is used to compress described contact chip, wherein, keeper is provided with a dop, the both sides of this dop offer one respectively can ccontaining described contact chip and the through hole of stage clip, described contact chip be located in the described through hole and with described dop mutually inserting fix, described stage clip is arranged between the sidewall of described contact chip and through hole, and, one end of this stage clip and the sidewall of through hole offset, the other end and the contact chip of stage clip offset, and make two contact chips have close relatively all the time trend.

For the ease of contact chip is fixed on the keeper, as preferably, described dop and described keeper are one-body molded and be raised in this keeper upper surface and be " worker " font, described through hole is made up of the macropore and the aperture of mutual perforation, the cross section of this through hole is horizontally set " protruding " font structure, described contact chip be arranged among the aperture of this through hole and with the clamping mutually of described dop.

In order to realize effective location of stage clip, as preferably, described contact chip one side is provided with projection, this projection is blocked mutually with " worker " font groove of described dop and is joined, the opposite side of described contact chip is provided with the E v notch v, described stage clip is arranged in the macropore of described through hole, this through hole also has the bumping post of evagination in the sidewall of macropore, the opposite side of this bumping post and described contact chip is relative and establish, and, one end of described stage clip snaps onto on the described bumping post, the other end of this stage clip snap onto described contact chip opposite side the E v notch v within.

Consider the connection reliability between first connecting terminal block and the keeper and the convenience of assembling, also one-body molded " protruding " shape connecting portion that described first connecting terminal block of connection is arranged in the bottom of described keeper, the top of described first connecting terminal block offers and can block " recessed " shape notch of joining mutually with this connecting portion.

Described keeper top also is connected with gland, offers the slit that can pass for the top of described contact chip on the described gland.Gland can carry out spacing more effectively to the contact chip end, prevent that the contact chip end is long and the swing by a relatively large margin that causes, guarantees the reliability that connects and use.

In order to guarantee fixedlying connected of first binding post and moving socket, the bottom of described first connecting terminal block offers first pin-and-hole and is positioned at second pin-and-hole of this first pin-and-hole below, wherein, described moving socket is being provided for the blocking bearing pin to position that should first pin-and-hole and is realizing first cotter way of the described first connecting terminal block axial limiting, described second pin-and-hole is positioned at outside the described moving socket, and, but the bottom surface of this moving socket is provided with second cotter way that passes with the corresponding of described second pin-and-hole and supply and marketing axle.On first binding post, offer two pin-and-holes simultaneously, make the binding post of winning more stable, reduce axial rocking, improve the grafting precision in axial location.

As improvement, described static socket is provided with the port that can be complementary with described moving plug-in unit, the inner chamber of this port is divided into the plug receptacle that a plurality of phase sequences and moving plug-in unit are complementary by dividing plate, be provided with the insulation muscle in each plug receptacle, the top of described second connecting terminal block offers the notch of " recessed " shape, the notch of this second connecting terminal block stretch into the insulation muscle of described static socket and by compression moulding in one, and, form and can touch logical conducting strip mutually by direct and described contact chip in the both sides of described insulation muscle.Second binding post and static socket be by compression moulding, and form the interface of a plurality of cellular-types, and degree of protection is IP40, can guarantee the electrical isolation between each phase sequence when operate as normal, has improved safety in utilization and connection reliability.

Safe in utilization in order to guarantee, avoid the interference between the adjacent connecting terminal block, the bottom of described moving socket and static socket also is provided with the draw-in groove that is swallow-tail form, can be used for installing insulating barrier.

Compared with prior art, advantage of the present utility model is: adopted two separate contact chips to constitute the plug of an adjustable gaps, the both sides of two contact chips compress with a stage clip respectively, make moving plug-in unit and quiet plug-in unit when pegging graft cooperation, can utilize the elastic force of stage clip to adjust two gaps between the contact chip, and then avoid in the prior art causing the bad defective that electrically contacts owing to the center of contact chip and the serious skew in center of cabinet vertical bus, the reliability and the safety in utilization that are electrically connected have been improved, because the effect of stage clip makes the plug of plug connect also more convenient, laborsaving.And, because plug by two independently contact chip constitute, adding man-hour, both labor and material saving can guarantee the heat treated stability of hardness again, made the total quality of product obtain effectively to improve.

Description of drawings

Fig. 1 is the moving plug-in unit three-dimensional exploded view of the utility model embodiment.

Fig. 2 is the moving plug-in unit assembly structure schematic diagram of the utility model embodiment.

Fig. 3 is the partial perspective cutaway view of moving socket shown in Figure 2.

Fig. 4 is the three-dimensional cutaway view of moving plug-in unit shown in Figure 2.

Fig. 5 is the plug assembly structure schematic diagram of the utility model embodiment.

Fig. 6 is the structural representation of keeper shown in Figure 5.

Fig. 7 is the structural representation of contact chip shown in Figure 5.

Fig. 8 is the structural representation of first connecting terminal block shown in Figure 5.

Fig. 9 is the quiet dongle configuration schematic diagram of the utility model embodiment.

Figure 10 is the moving plug-in unit of the utility model embodiment and the front view after the assembling of quiet plug-in unit.

Embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Usually, connector can be divided into two kinds of three utmost points and four utmost points by the major loop number of poles, then can be divided into four kinds of 160A, 250A, 400A, 630A etc. by the rated current of unit drawer.

As Fig. 1～shown in Figure 10, be specific embodiment of the utility model, this connector is three utmost point major loop connectors, include moving plug-in unit A and quiet plug-in unit B, wherein, the plug 3 that moving plug-in unit A includes moving socket 1, is arranged on first connecting terminal block 2 on this moving socket 1 and links to each other with this first connecting terminal block 2, the stage clip 33 that plug 3 includes keeper 31, is connected the paired contact chip 32 on the keeper 31 and is used to compress contact chip; Quiet plug-in unit B comprise the static socket 4 that can stretch into for plug and be arranged on this static socket 4 and can and peg graft second connecting terminal block 5 of cooperation of plug.

In the present embodiment, moving socket 1 adopts and strengthens, fire-retardant and resistant to elevated temperatures thermoplastic plastic is made, should by the design of major loop number of poles three rectangle notches 11 be arranged in the end by moving socket 1, offer rectangular through-hole 12 on the front and back sidewall of each notch 11, be provided with the slot 13 that can supply 2 sockets of first binding post to go at the center of each notch 11, the bottom of first connecting terminal block 2 offers first pin-and-hole 21 and is in close proximity to second pin-and-hole 22 of these first pin-and-hole, 21 belows, this first connecting terminal block 2 from top to bottom passes slot 13, first pin-and-hole, 21 ccontaining being positioned within the notch 11 that moves socket 1, second pin-and-hole 22 is positioned at outside the bottom of moving socket 1, correspondingly, the notch 11 of moving socket 1 then is formed with first cotter way 14 that is used for the blocking bearing pin and realizes first connecting terminal block, 2 axial limitings in the position of corresponding first pin-and-hole 21, the bottom surface of moving socket 1 is formed with second cotter way 15 that is used for the blocking bearing pin in the position of corresponding second pin-and-hole 22, the axis of the axis of first cotter way 14 and second cotter way 15 respectively with the axis normal of slot 13, the afterbody of first connecting terminal block 2 also offers first installing hole 23 that is used for the stube cable line;

So, in first pin-and-hole 21 of first connecting terminal block 2 and second pin-and-hole 22, wear an elastic cylindrical pin 6 respectively, then, this first connecting terminal block 2 is inserted in the slot 13 of moving socket 1, wherein, straight pin 6 two ends that are located in first pin-and-hole 21 are fastened in first cotter way 14, and straight pin 6 two ends that are arranged in second pin-and-hole 22 are fastened in second cotter way 15, realize first connecting terminal block 2 spacing in slot 13 thus.

Paired reinforcement 16 moving socket 1 also is respectively arranged with three groups in slot 13 left and right sides before and after, be connected in one by the face of cylinder 161 between every group of reinforcement 16, the left and right sides of described slot 13 also leaves one on the face of cylinder 161 can be for the rectangular channel 17 of contact chip 32 insertions; In order to move plug-in unit A and quiet plug-in unit B is fixedly connected on one, moving socket 1 is left two installing holes 181 at the first fixed installation face, 18, the first fixed installation faces 18 that the housing periphery also has outside projection in symmetrical both sides; In order to increase creepage distance, improve safety in utilization, realize the electricity isolation of the connecting terminal block between the adjacent notch, moving socket 1 also offers two and lays respectively at two the first swallow-tail form breach 19 between the connecting terminal block 2 in the bottom, on this breach 19 insulating barrier is installed, is used for that each first connecting terminal block 2 is carried out electricity and isolates.

For serious skew takes place and causes the bad defective that electrically contacts in the center of its center and cabinet vertical bus in plug in use that avoid integral structure, the plug of present embodiment adopts following structure: this plug comprises keeper 31, is connected paired contact chip 32 and stage clip 33 on the keeper, stage clip 33 is used to compress contact chip 32, and makes two contact chips 32 have close relatively all the time trend.

Wherein, keeper 31 is provided with a dop 311, dop 311 and keeper 31 are one-body molded and be raised in these keeper 31 upper surfaces and be " worker " font, keeper 31 offers one respectively in the both sides of dop 311 can ccontaining contact chip 32 and the through hole 312 of stage clip 33, through hole 312 is made up of the macropore and the aperture of mutual perforation, the cross section of this through hole 312 is horizontally set " protruding " font structure, contact chip 32 be arranged among the aperture of this through hole 312 and with dop 311 mutually inserting fix, also one-body molded " protruding " shape connecting portion 313 that connects first connecting terminal block 2 that is useful in the bottom of keeper 31, the top of each first connecting terminal block 2 offers and can block " recessed " shape notch 24 of joining mutually with this connecting portion 313;

Contact chip 32 1 sides are provided with projection 321 in the centre position, this projection 321 is blocked mutually with " worker " font groove of dop 311 and is joined, the top of contact chip 32 1 sides also is provided with salient point 322, the bottom of these contact chip 32 1 sides is provided with down salient point 323, last salient point 322 and following salient point 323 are respectively as electric current turnover contact point, wherein, the sidewall of the following salient point 323 and first connecting terminal block 2 directly offsets, last salient point 322 then conduct patches end and the interior electrically conducting contacts of static socket 4 offset, and the opposite side of contact chip 32 then is provided with E v notch v 324;

The stage clip 33 of present embodiment is by high temperature resistant, the high-carbon steel wire coiling that deformation coefficient is little forms, both material-saving savings of labor, can reach the heat treated stability of hardness again, guarantee service quality, stage clip 33 is arranged in the macropore of through hole 312, this through hole 312 also has the bumping post 314 of evagination in the sidewall of macropore, the opposite side of this bumping post 314 and contact chip 32 is relative and establish, and, one end of stage clip 33 snaps onto on the bumping post 314, the other end of this stage clip 33 snaps onto on the E v notch v 324 of contact chip 32 opposite sides, and E v notch v 324 middle part projectioies stretch within the other end of this stage clip 33.

Keeper 31 tops also are connected with gland 34, gland 34 tops offer the slit 341 that can pass for the top of contact chip 32, it is circular-arc that the inboard of this slit 341 becomes, be used to cover stage clip 33, the position of departing from slit 341 at the top of gland 34 also offers the fabrication hole 342 of four rectangles, such fabrication hole 342 is set both can saves the production material, can prevent the gland distortion that causes because material is thick again; The front and back sides of gland 34 respectively forms the lug 343 of two evaginations, and the rectangular through-hole of offering on the front and back sidewall of each rectangle notch 11 of moving socket 1 12 cooperates with lug 343, so that gland 34 is snapped onto on each notch 11 openend of moving socket 1.

The quiet plug-in unit of present embodiment is used for and moves plug-in unit and carry out inserting and be connected, quiet plug-in unit is formed by static socket 4 and 5 compactings of second connecting terminal block, wherein, static socket 4 adopts fire-retardant, resistant to elevated temperatures thermoplastics is made, static socket 4 has the port 41 that opening is slightly larger than moving socket 1 end face, the inner chamber of port 41 is divided into the plug receptacle 411 that the notch of three phase sequences and moving socket 1 is complementary by the major loop number of poles by dividing plate 7, be provided with insulation muscle 8 in each plug receptacle 411, the top of each second connecting terminal block 5 offers the notch of " recessed " shape equally, the notch of second connecting terminal block 5 stretch into the insulation muscle 8 of static socket 4 and by compression moulding in one, second connecting terminal block 5 is exposed for can directly touching logical conductive part 51 mutually with contact chip at the splicing position that is positioned at insulation muscle 8 both sides, when the plug in being connected moving socket 1 is inserted in the static socket 4, the last salient point 322 of contact chip 32 1 sides is promptly inconsistent with the conductive part 51 that is positioned at insulation muscle 8 both sides and realize that the conducting of quiet plug-in unit and moving plug-in unit is connected, and all the other positions of the notch of this second connecting terminal block 5 all are insulated muscle 8 parcels, and the afterbody of second connecting terminal block 5 has second installing hole 52 that is used for stube cable; Static socket 4 also offers two and lays respectively at two the second swallow-tail form breach 43 between the connecting terminal block 5 in the bottom, on this breach 43 insulating barrier is installed, and is used for that each second connecting terminal block 5 is carried out electricity and isolates.

The housing edge of static socket 4 has the second overhanging fixed installation face 42 equally, offer the installing hole 181 corresponding installing holes 421 on the first fixed installation face 18 with moving socket 1 on the second fixed installation face 42 equally, after the first

fixed installation face

18 and 42 butt joints of the second fixed installation face, screw is passed two installing holes on the fixed installation face respectively to realize being fixedly linked of static socket and moving socket.

In order to improve the performance of product, in the present embodiment, first connecting terminal block 2 and second connecting terminal block 5 adopt the high high-quality rectangular copper bar of electric conductivity respectively, and the tail end of connecting terminal block then designs and is useful on the installing hole that cable connects; Simultaneously, the plug of present embodiment is made of two contact chips that can swing 32, the contact chip 32 same high high-quality copper materials of electric conductivity that adopt are made, can adjust error automatically with quiet plug-in unit center, in case after having avoided in the prior art contact chip cable connection fixing, can produce moving plug-in unit and contact the serious deviation at center with quiet plug-in unit and cause the bad defective that electrically contacts, improve contact stabilization, prolong the useful life of plug connector.

Claims

1. electric connector, include moving plug-in unit and quiet plug-in unit that inserting mutually connects, wherein, described moving plug-in unit includes moving socket, the plug that is arranged on first connecting terminal block on this moving socket and links to each other with this first connecting terminal block, described quiet plug-in unit comprise the static socket that can stretch into for plug and be arranged on this static socket and can and peg graft second connecting terminal block of cooperation of described plug, it is characterized in that: described plug includes keeper, the stage clip that is connected the paired contact chip on the keeper and is used to compress described contact chip, wherein, keeper is provided with a dop, the both sides of this dop offer one respectively can ccontaining described contact chip and the through hole of stage clip, described contact chip be located in the described through hole and with described dop mutually inserting fix, described stage clip is arranged between the sidewall of described contact chip and through hole, and, one end of this stage clip and the sidewall of through hole offset, the other end and the contact chip of stage clip offset, and make two contact chips have close relatively all the time trend.

2. electric connector according to claim 1, it is characterized in that: described dop and described keeper are one-body molded and be raised in this keeper upper surface and be " worker " font, described through hole is made up of the macropore and the aperture of mutual perforation, the cross section of this through hole is horizontally set " protruding " font structure, described contact chip be arranged among the aperture of this through hole and with the clamping mutually of described dop.

3. electric connector according to claim 2, it is characterized in that: described contact chip one side is provided with projection, this projection is blocked mutually with " worker " font groove of described dop and is joined, the opposite side of described contact chip is provided with the E v notch v, described stage clip is arranged in the macropore of described through hole, this through hole also has the bumping post of evagination in the sidewall of macropore, the opposite side of this bumping post and described contact chip is relative and establish, and, one end of described stage clip snaps onto on the described bumping post, the other end of this stage clip snap onto described contact chip opposite side the E v notch v within.

4. electric connector according to claim 3, it is characterized in that: also one-body molded " protruding " shape connecting portion that described first connecting terminal block of connection is arranged in the bottom of described keeper, the top of described first connecting terminal block offers and can block " recessed " shape notch of joining mutually with this connecting portion.

5. according to claim 1 or 2 or 3 or 4 described electric connectors, it is characterized in that: described keeper top also is connected with gland, offers the slit that can pass for the top of described contact chip on the described gland.

6. electric connector according to claim 5, it is characterized in that: the bottom of described first connecting terminal block offers first pin-and-hole and is positioned at second pin-and-hole of this first pin-and-hole below, wherein, described moving socket is being provided for the blocking bearing pin to position that should first pin-and-hole and is realizing first cotter way of the described first connecting terminal block axial limiting, described second pin-and-hole is positioned at outside the described moving socket, and, but the bottom surface of this moving socket is provided with second cotter way that passes with the corresponding of described second pin-and-hole and supply and marketing axle.

7. electric connector according to claim 6, it is characterized in that: described static socket is provided with the port that can be complementary with described moving plug-in unit, the inner chamber of this port is divided into the plug receptacle that a plurality of phase sequences and moving plug-in unit are complementary by dividing plate, be provided with the insulation muscle in each plug receptacle, the top of described second connecting terminal block offers the notch of " recessed " shape, the notch of this second connecting terminal block stretch into the insulation muscle of described static socket and by compression moulding in one, and, form and can touch logical conducting strip mutually by direct and described contact chip in the both sides of described insulation muscle.

8. electric connector according to claim 7 is characterized in that: the bottom of described moving socket and static socket also is provided with the draw-in groove that is swallow-tail form, can be used for installing insulating barrier.