CN209344355U - Power connector - Google Patents

Abstract

The utility model provides a kind of power connector, it includes a pair of of the circuit board being oppositely arranged along short transverse and at least power supply terminal pair that is folded between the pair of circuit board, an at least power supply terminal pair and the pair of circuit board are electrically connected, the power supply terminal is to including in transverse direction side by side and spaced a pair of power source terminals, each power supply terminal extends along short transverse and in rodlike, each power supply terminal has a pair of of the contact surface for being relatively arranged on both ends in its short transverse, the pair of contact surface is abutted against with the circuit board of corresponding side respectively.The utility model power connector flatness is higher and in electrical contact good.

Description

Power connector

Technical field

The utility model relates to a kind of power connectors.

Background technique

In legacy power connector, the two panels power supply terminal of power supply terminal pair is closer, when transmitting high current, electric current Higher temperature is generated by the power supply terminal, and then the reliability of power connector is caused to reduce, meanwhile, sheet power end Son when on circuit board, easily occurs warpage and causes its contact surface and circuit board contacts bad when being installed by fastener.

In view of this, it is necessary to existing power connector be improved, to solve the above problems.

Utility model content

And a kind of contact good power connector higher the purpose of this utility model is to provide flatness.

To realize above-mentioned purpose of utility model, the utility model provides a kind of power connector comprising along height side To a pair of of the circuit board being oppositely arranged and at least power supply terminal pair being folded between the pair of circuit board, described at least one Power supply terminal pair and the pair of circuit board are electrically connected, and the power supply terminal is to including in transverse direction side by side and interval is arranged A pair of power source terminals, each power supply terminal extends along short transverse and in rodlike, and each power supply terminal has phase To a pair of of the contact surface for being set to both ends in its short transverse, the pair of contact surface respectively with the circuit board phase of corresponding side It abuts.

Each power supply terminal has main part and the main body that is placed in as a further improvement of the utility model, A pair of of contact portion of two sides in portion's short transverse, terminal surface of each contact portion far from the main part is plane, and point It is not connected to the conductive sheet being arranged on the inner surface of corresponding circuits plate to form the contact surface.

The main part and the contact portion are the column knot of coaxial arrangement as a further improvement of the utility model, Structure, and the projection of the main part in the horizontal plane is fallen into inside the projection of the contact portion in the horizontal plane.

The power connector also has the through-hole being inserted on the circuit board as a further improvement of the utility model, And the fixing piece for mutually positioning the contact portion with the circuit board, the fixing piece are arranged in a one-to-one correspondence with the contact portion.

Each contact portion has from its contact surface towards the main part as a further improvement of the utility model, Direction is recessed the mounting groove to be formed, and the fixing piece has a locking member being pressed into the mounting groove and matches with the locking member Threaded fastener.

The locking member has engaging section and the edge being protrudingly placed on its outer peripheral surface as a further improvement of the utility model, By its perforative accommodating chamber, the threaded fastener screws in along the short transverse and is positioned at the accommodating chamber short transverse It is interior, the wall surface interference engagement of the engaging section and contact portion formation mounting groove.

As a further improvement of the utility model, the locking member also have the recessed detent slot on its outer peripheral surface and The fastener being disposed adjacent with the detent slot, in short transverse, the detent slot position is in the engaging section and the locking Between portion, and compared to the engaging section, the detent slot is arranged closer to the main part.

The contact portion, which also has, as a further improvement of the utility model, intersects the receiving being connected to the mounting groove Hole, the fixing piece also have the stress relief be inserted into and be concealed in the accepting hole, the insertion end of the stress relief It protrudes into the detent slot and by the fastener backstop.

The fixing piece has a pair of stress relief, the receiving as a further improvement of the utility model, The extending direction in hole is vertical with the short transverse, and the first accepting hole including the mounting groove two sides that are placed in and second is received Rong Kong, to store corresponding stress relief respectively.

The stress relief is hollow shape, and the extension of the accepting hole as a further improvement of the utility model, Direction is vertical with the transverse direction.

The utility model has the beneficial effects that the power supply terminal of the utility model power connector is in rodlike, and by opposite It is set to a pair of of contact surface at both ends in power supply terminal short transverse to abut against come the circuit board respectively with corresponding side, in this way, institute The flatness for stating contact surface is higher with well contacting between guarantee and circuit board, causes contact surface to stick up when avoiding locking fixing piece It is bent and in electrical contact between influence and circuit board.

Detailed description of the invention

Fig. 1 is the three-dimensional assembly diagram of the utility model power connector.

Fig. 2 is the view at another visual angle of power connector shown in Fig. 1.

Fig. 3 is the main view of power connector shown in Fig. 1.

Fig. 4 is the optical cable after power connector shown in Fig. 1 removes the circuit board of upside.

Fig. 5 is the cross-sectional view along Fig. 1 middle line A-A.

Fig. 6 is the view at another visual angle of power connector shown in Fig. 5.

Fig. 7 is another cross-sectional view after electric connector shown in Fig. 1 removes part-structure.

Specific embodiment

The utility model is described in detail below with reference to embodiment shown in the drawings.But the embodiment is not Limit the utility model, structure that those skilled in the art are made according to the embodiment, method or functionally Transformation is all contained in the protection scope of the utility model.

It please join the preferred embodiment that Fig. 1 to Fig. 7 show the utility model power connector 100, the power connector 100 include a pair of of the circuit board 1 being oppositely arranged along short transverse and at least power supply with the electric connection of the pair of circuit board 1 Terminal is to 2.For ease of description, will hereafter be considered as short transverse with the spaced direction of a pair of of circuit board 1, definition with it is described A vertical direction of short transverse is transverse direction, another direction vertical with short transverse is front-rear direction.

An at least power supply terminal is folded between the pair of circuit board 1 to 2, and the power supply terminal includes to 2 In transverse direction side by side and spaced a pair of power source terminals 21.Each power supply terminal 21 extends along short transverse and is in It is rodlike, and each power supply terminal 21 has and is relatively arranged on a pair of of contact surface 210 at both ends in its short transverse, described one Contact surface 210 is abutted against with the circuit board 1 of corresponding side respectively.

The horizontally extending setting of the circuit board 1, and each circuit board 1 include substrate 11, be set to it is described At least two groups on substrate 11 in transverse direction spaced conductive sheet 12 and it is at least a pair of along short transverse by the substrate 11 and conductive sheet 12 through setting through-hole 13.In the embodiment that the utility model is shown, on each circuit board 1 Conductive sheet 12 described in being provided with two groups, every group of conductive sheet 12 respectively include being placed in the circuit board 1 in two sides in short transverse A pair of conductive piece 12, a pair of conductive piece 12 in same group is symmetrically disposed on the upper and lower surfaces of the circuit board 1, and every group is led Electric piece 12 is correspondingly arranged with a through-hole 13.

In the present embodiment, the pair of power supply terminal 21 is symmetrical arranged, and each power supply terminal 21 has main body A pair of of contact portion 212 of two sides, each contact portion 212 are separate in portion 211 and 211 short transverse of main part that is placed in The terminal surface of the main part 211 is plane, and the terminal surface is connected to the institute being arranged on the inner surface of corresponding circuits plate 1 respectively Conductive sheet 12 is stated to form the contact surface 210.

The main part 211 and the contact portion 212 are the column structure being coaxially disposed, and the main part is in horizontal plane On projection fall into inside the projection of the contact portion 212 in the horizontal plane.In the present embodiment, each power supply terminal 21 also has There is the convergence part 213 between the main part 211 and the contact portion 212, the convergence part 213 is in a circular table shape, and from On the direction for the contact portion 212 that the main part 211 is directed towards, the outer diameter of the convergence part 213 is gradually increased.

The power connector 100 also has the through-hole 13 being inserted on the circuit board 1 and by the contact portion 212 and institute The fixing piece 3 of 1 phase of circuit board positioning is stated, the fixing piece 3 is arranged in a one-to-one correspondence with the contact portion 212.

Each contact portion 212, which has from its contact surface 210 towards 211 direction of main part, to be recessed the installation to be formed Slot 2121, the fixing piece 3 have the locking member 31 being pressed into the mounting groove 2121 and the screw thread matched with the locking member 31 Fastener 32, the threaded fastener 32 include screw rod 321 and the nut 322 positioned at 321 end of screw rod.

Each contact portion 212, which also has, intersects the accepting hole 2123 being connected to the mounting groove 2121, specifically, often The extending direction of one accepting hole 2123 is vertical with the short transverse, and including 2121 two sides of mounting groove that are placed in First accepting hole 2124 and the second accepting hole 2125.

In the present embodiment, the mounting groove 2121 is the smooth round hole in surface, and the mounting groove 2121 includes leaning on The first mounting groove 2126 that the nearly contact surface 210 is arranged and the second mounting groove 2127 close to the main part 211 setting.Into One step, first mounting groove 2126 and the second mounting groove 2127 are coaxially disposed, and the internal diameter of first mounting groove 2126 Greater than the internal diameter of second mounting groove 2127, stopped with being formed between first mounting groove 2126 and the second mounting groove 2127 Block face 2128, the stop surface 2128 are arranged towards the circuit board 1 of respective side.

The locking member 31 has the engaging section 311 that is protrudingly placed on its outer peripheral surface and along short transverse by its perforative receiving Chamber 312, the threaded fastener 32 are screwed in along the short transverse and are positioned in the accommodating chamber 312, the engaging section 311 2122 interference engagement of wall surface of mounting groove 2121 is formed with the contact portion 212.Further, if the engaging section 311 has The dry rack gear 3112 being radially protrudingly placed on outward on its outer peripheral surface, each rack gear 3112 extend along short transverse, if The circumferential direction that the rack gear 3112 is done along the engaging section 311 is alternatively arranged.

The locking member 31 also with recessed detent slot 313 on its outer peripheral surface and adjacent with the detent slot 313 is set The fastener 314 set, in short transverse, the detent slot 313 between the engaging section 311 and the fastener 314, And compared to the engaging section 311, the detent slot 313 is arranged closer to the main part 211.The indentation of locking member 31 is simultaneously It is connected in first mounting groove 2126, and is connected to the stop surface 2128.

Each fixing piece 3 also has the stress relief 33 be inserted into and be concealed in the accepting hole 2123, described The insertion end 331 of stress relief 33 protrudes into the detent slot 313 and by 314 backstop of fastener.

In the present embodiment, the fixing piece 3 has a pair of stress relief 33,2124 He of the first accepting hole Second accepting hole 2125 is respectively used to store corresponding stress relief 33.

In the present embodiment, the stress relief 33 is hollow tubular structures, and it has and in axial direction extends Notch 332 so will can preferably lock generated stress release when the locking member 31.Meanwhile the accepting hole 2123 extending direction is vertical with the transverse direction, so that stress and stress dispersion of the stress relief 33 when locking It is more balanced.

Each fixing piece 3 further includes the washer being sheathed on outside the threaded fastener 32, in the present embodiment, described Washer includes the first washer 34 and second packing ring 35 that setting is stacked along short transverse, wherein first washer 34 is in flat Laminated structure, second packing ring 35 are spring washer, and in short transverse, the second packing ring 35 is folded in first washer 34 Between nut 322.

When assembling, the washer and nut 322 of each fixing piece 3 are located at the circuit board 1 in the outside in short transverse, institute The mounting groove 2121 stated on contact portion 212 is aligned with the corresponding through-hole 13 along the short transverse.With the circuit board 1 of upside And for fixing piece 3, the upside of the locking member 31 from the circuit board 1 presses downward in the mounting groove 2121 and passes through it The fixing of engaging section 311 is contained in the first mounting groove 2126, and a pair of stress relief 33 is inserted into pair in opposite directions from front and rear sides In the accepting hole 2123 answered, 331 projection of insertion end of the stress relief 33 is simultaneously locked in the detent slot 313, described Fastener 314 is positioned in the downside of the stress relief 33.

First washer 34 is placed in the upper surface of the circuit board 1 and makes on its aperture (not indicating) and circuit board 1 Through-hole 13 be aligned, the second packing ring 35 is placed in the upper surface of first washer 34, the spiral shell of the threaded fastener 32 Bar 321 is sequentially inserted into from the upside of the circuit board 1 and passes through the aperture on the washer and through-hole 13, is then inserted into locking member In 31 threaded hole, so that the locking member 31 is sheathed on 321 outside of screw rod, the downward precession of the screw rod 321 is so that institute It states nut 322 washer is pressed on circuit board 1.

In the present invention, the power supply terminal 21 of the power connector 100 is in rodlike, by being relatively arranged on electricity A pair of of contact surface 210 at both ends is abutted against with the circuit board of corresponding side 1 respectively in 21 short transverse of source terminal, in this way, described The flatness of contact surface 210 is higher with guarantee and well contacting between circuit board 1, causes to contact when avoiding locking fixing piece 3 210 warpage of face and influence in electrical contact between circuit board 1.

Above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although referring to preferred embodiment pair The utility model is described in detail, those skilled in the art should understand that, it can be to the technology of the utility model Scheme is modified or replaced equivalently, without departing from the spirit and scope of the technical scheme of the present invention.

Claims (10)

1. a kind of power connector comprising a pair of of circuit board for being oppositely arranged along short transverse and be folded in the pair of circuit An at least power supply terminal pair between plate, an at least power supply terminal pair and the pair of circuit board are electrically connected, the electricity Source terminal is to including in transverse direction side by side and spaced a pair of power source terminals, it is characterised in that: each power end Son extends along short transverse and in rodlike, and each power supply terminal has a pair for being relatively arranged on both ends in its short transverse Contact surface, the pair of contact surface are abutted against with the circuit board of corresponding side respectively.

2. power connector as described in claim 1, it is characterised in that: each power supply terminal has main part and splits A pair of of contact portion in two sides in the main part short transverse, each terminal surface of the contact portion far from the main part are Plane, and it is connected to the conductive sheet being arranged on the inner surface of corresponding circuits plate respectively to form the contact surface.

3. power connector as claimed in claim 2, it is characterised in that: the main part is coaxial arrangement with the contact portion Column structure, and the projection of the main part in the horizontal plane is fallen into inside the projection of the contact portion in the horizontal plane.

4. power connector as claimed in claim 2, it is characterised in that: the power connector also has the insertion circuit Through-hole on plate and the fixing piece for mutually positioning the contact portion with the circuit board, the fixing piece and the contact portion are one by one It is correspondingly arranged.

5. power connector as claimed in claim 4, it is characterised in that: each contact portion has from contact surface described in its Be recessed the mounting groove to be formed towards the main part direction, the fixing piece have the locking member being pressed into the mounting groove and with this The threaded fastener that locking member matches.

6. power connector as claimed in claim 5, it is characterised in that: the locking member, which has, to be protrudingly placed on its outer peripheral surface Engaging section and along short transverse by its perforative accommodating chamber, the threaded fastener screws in along the short transverse and is positioned at institute It states in accommodating chamber, the wall surface interference engagement of the engaging section and contact portion formation mounting groove.

7. power connector as claimed in claim 6, it is characterised in that: the locking member also has recessed on its outer peripheral surface Detent slot and the fastener that is disposed adjacent with the detent slot, in short transverse, the detent slot position is in the engaging section Between the fastener, and compared to the engaging section, the detent slot is arranged closer to the main part.

8. power connector as claimed in claim 7, it is characterised in that: the contact portion also has to intersect with the mounting groove The accepting hole of connection, the fixing piece also have the stress relief be inserted into and be concealed in the accepting hole, the stress release The insertion end of part protrudes into the detent slot and by the fastener backstop.

9. power connector as claimed in claim 8, it is characterised in that: the fixing piece has a pair of stress release Part, the extending direction of the accepting hole is vertical with the short transverse, and first including the mounting groove two sides that are placed in receives Hold hole and the second accepting hole, to store corresponding stress relief respectively.

10. power connector as claimed in claim 8, it is characterised in that: the stress relief is hollow shape, and receipts The extending direction for holding hole is vertical with the transverse direction.