CN205004481U - Conductive sheet structure of power connector - Google Patents

Abstract

A conducting strip structure of power connector comprises a base and a movable cover, wherein two terminal seats are accommodated at the bottom of a box body containing space above the base, the side wall of each terminal seat is provided with a concave containing groove communicated with a slot on the top surface, a U-shaped base is arranged in a plugging part of a conductive terminal inserted in the containing groove, a plurality of through grooves on two side walls of the U-shaped base are bent to form butting spring pieces obliquely extending towards the bottom surface of the U-shaped base, the movable cover contains a fuse in the containing space of the upper cover, two end pins of the fuse are electrically connected with plugging pieces inserted in the slots of the terminal seats, so the plugging pieces are inserted along the oblique extending direction of the plurality of butting spring pieces under the force application, the plugging pieces are tightly clamped towards the opposite inner sides by elastic restoring force after the plurality of butting spring pieces generate elastic deformation, and the effects of stable positioning and low plugging.

Description

Conductive sheet structure of power connector

technical field

The utility model relates to a conductive sheet structure of a power supply connector, in particular to a U-shaped butt-connected terminal in a terminal seat of a base. A plurality of through grooves on the two side walls of the base are bent with abutting shrapnel. The sheet is inserted in a forward direction to resist and push a plurality of abutting elastic sheets to produce elastic deformation, and the plurality of abutting elastic sheets are pressed toward the opposite inner side to clamp the inserting sheet to form a stable position.

Background technique

Generally used for high-current connectors for transmitting high currents, such as 100 to 400 amperes or higher current strength, can be applied to electric vehicles or hybrid vehicles; the high-current connector has a shell, which has a The inserted contact blade acts as a reverse connector, and the shell and the contact blade are both made of conductive material.

However, when a large current is transmitted between the connectors, the impedance may increase due to the small contact area between adjacent terminals, resulting in the failure of the large current to pass through smoothly, and it is easy to generate heat accumulation and cause overheating failure. Therefore, How to ensure the power transmission effect of high current under the condition of reducing the size of the connector is the direction that relevant manufacturers engaged in this industry are eager to study and improve.

Utility model content

Therefore, in view of the above-mentioned problems and deficiencies, the inventor of the present utility model designed the present utility model after collecting relevant information, evaluating and considering in many ways, and based on years of experience accumulated in this industry, through continuous trials and modifications. A new type of power connector conductive sheet structure.

The main purpose of this utility model is that after inserting the plug-in pieces at two ends of the fuse into the slots of the terminal base, the plug-in pieces form electrical contact with the docking terminals, and the plug-in pieces are inserted between the two side walls of the U-shaped base of the docking terminals. , and the two side walls of the U-shaped base are bent toward the opposite inner side by a plurality of through grooves, and there are abutting elastic pieces obliquely extending toward the bottom surface of the U-shaped base, so the plug-in piece is positively applied along the direction of the obliquely extending direction of the abutting elastic pieces. When inserted into the position, multiple abutting shrapnels will tightly clamp the plug-in piece due to the elastic recovery force, so as to achieve the effect of stable positioning, low insertion force and high pull-out force.

The secondary purpose of this utility model is that the butt joint terminal has a plurality of through grooves on the two side walls of the U-shaped base, and the plurality of through grooves and a plurality of abutting shrapnels are arranged in a double-row array, thereby allowing the butt joint terminals to be arranged in double rows. A plurality of abutting shrapnel arranged in an array is in contact with the plug-in piece at multiple points, so as to increase the area for transmitting electric power, thereby reducing the contact resistance and reducing the heating area.

Another purpose of the present utility model is that the two side walls of the U-shaped base are punched to produce a plurality of through grooves, a plurality of resisting elastic pieces and a plurality of abutting elastic pieces, and the through grooves are in the shape of elongated slot holes extending horizontally, so the resisting The short length of the shrapnel can shorten the path length of power conduction, thereby reducing power loss and reducing the high temperature of material heating.

Another purpose of the present utility model is that the top surface of the terminal seat of the base is concavely provided with alignment grooves surrounding the slot, and the movable cover is extended downwards with an alignment portion surrounding the slot on the bottom surface of the fixed seat. And the bottom of the alignment part is lower than the bottom of the plug-in piece. When the movable cover covers the base, first let the movable cover insert the alignment part into the alignment slot of the base, and then insert the two-end plug-in pieces of the fuse into the base The slot, thus guiding the position for the smooth insertion of the plug piece.

Another purpose of the present utility model is that the upper and rear of the two side walls of the plug-in part of the conductive terminal are respectively provided with positioning grooves, and the butt joint terminals are respectively bent outwards on the upper and rear of the two side walls of the U-shaped base. Positioning piece, after the docking terminal is assembled on the plug-in part of the conductive terminal, the positioning is formed by the front and back of the positioning piece and the positioning groove, which can avoid the displacement of the docking terminal when plugging or shaking, resulting in the problem of inability to make electrical contact. To achieve the purpose of electrical contact conduction power.

Description of drawings

Fig. 1 is the three-dimensional exterior view of the utility model;

Fig. 2 is a three-dimensional exploded view of the utility model;

Fig. 3 is another three-dimensional exploded view of the utility model;

Fig. 4 is a three-dimensional exploded view of the terminal base, the conductive terminal and the docking terminal of the present invention;

Fig. 5 is a three-dimensional exploded view of the terminal base, the conductive terminal and the butt joint terminal of the utility model;

Fig. 6 is a partial three-dimensional cross-sectional view of the assembled terminal base, conductive terminals and butt terminals of the present invention.

【Symbol Description】

1. Base

11. Box body

110. Accommodating space

111. Hollow groove

12. Terminal block

121. Accommodating slot

122. slot

123. Alignment groove

13. Conductive terminal

130. Docking slot

131. Connecting part

132. Bending part

133. Connecting part

134. Positioning slot

14. Docking terminal

141. Base

142. Through groove

143. Resist shrapnel

144. Arrest shrapnel

145. Positioning film

2. Movable cover

21. Upper cover

210. Accommodating space

211. Opening and closing device

22. Fixed seat

220. Storage slot

221. Grooving

222. Counterpoint Department

23. Fuse

231. Pin

232. Plug-in piece

detailed description

In order to achieve the above-mentioned purpose and effect, the technical means and structure adopted by the utility model are now illustrated in detail with respect to the preferred embodiment of the utility model. Its features and functions are as follows, so as to fully understand.

Please refer to Figure 1-6, it can be clearly seen from the figure that the structure of the conductive plate of the power connector includes a base 1 and a movable cover 2 covering the base 1; where:

The base 1 is protrudingly provided with a box body 11 with an accommodating space 110 inside, and the bottom of the accommodating space 110 is pierced with two hollow grooves 111 for accommodating two terminal blocks 12 , and the side wall of the terminal block 12 is recessed with a containing groove 121 The top surface of the terminal base 12 has a slot 122 connected to the receiving groove 121, and the terminal base 12 is concavely provided with a U-shaped alignment groove 123 around the slot 122, and a U-shaped insertion of the conductive terminal 13 is inserted in the receiving groove 121. part 131, the U-shaped socket part 131 is formed with a docking groove 130, the front side of the socket part 131 is extended with a continuously bent bending part 132, and the other end of the bending part 132 is extended with a connecting part at the bottom of the terminal block 12 133, and the top and rear of the two side walls of the socket part 131 are respectively recessed with positioning grooves 134, and the docking groove 130 is inserted into the U-shaped base 141 of the docking terminal 14, and the docking terminal 14 is made of a highly conductive elastic material, U-shaped The two side walls of the base 141 have a plurality of through grooves 142, and the lower and upper sides of the through grooves 142 are respectively bent with a resisting elastic piece 143 elastically resisting against the inner wall of the docking groove 130 toward the opposite outer side and an abutting elastic piece 144 toward the opposite inner side, The supporting elastic piece 143 is bent and obliquely extended towards the opening of the U-shaped base 141, while the abutting elastic piece 144 is bent obliquely towards the bottom surface of the U-shaped base 141, and the top and rear of the two side walls of the U-shaped base 141 face outwards respectively. Two positioning pieces 145 are bent and locked against the positioning groove 134 .

The movable cover 2 includes an upper cover 21, a fixed seat 22 and a fuse 23, and an accommodation space 210 for receiving the box body 11 is formed in the upper cover 21, and the upper cover 21 has an opening and closing device 211 for driving opening, closing, locking or unlocking The accommodating space 210 is provided with a fixing seat 22 with a receiving groove 220 above to accommodate the fuse 23. The receiving groove 220 has a through groove 221 communicating with the outside below. Insert the alignment part 222 of the alignment groove 123, the pins 231 at the two ends of the fuse 23 are electrically connected to the plug-in piece 232 inserted into the slot 122 of the terminal base 12 through the slot 221, and the bottom of the alignment part 222 is lower than the plug The bottom end of the contact piece 232 is inserted into the docking slot 130 of the conductive terminal 13 and elastically abutted by a plurality of abutting elastic pieces 144 of the docking terminal 14 .

Since the inserting piece 232 at both ends of the fuse 23 is inserted into the slot 122 of the terminal block 12, the inserting portion 131 of the conductive terminal 13 is located inside the slot 122, and the inserting piece 232 will be inserted into the docking groove 130 of the U-shaped inserting portion 131. , and form electrical contact with the docking terminal 14 in the docking groove 130, the plug piece 232 is inserted between the two side walls of the U-shaped base 141 of the docking terminal 14, and a plurality of through grooves on the two side walls of the U-shaped base 141 142, the abutting elastic piece 144 bent toward the relative inner side will be in electrical contact with the plug-in piece 232. Since the abutting elastic piece 144 is bent and obliquely extended towards the bottom surface of the U-shaped base 141, the plug-in piece 232 is along a plurality of When the abutting elastic pieces 144 are inserted in the direction of oblique extension, the multiple abutting elastic pieces 144 will be elastically deformed under the force, and when the inserting piece 232 is inserted into the position, the multiple abutting elastic pieces 144 on the two side walls of the U-shaped base 141 will Then, due to the elastic restoring force, the inserting piece 232 is tightly clamped toward the relative inner side, so as to achieve the effects of stable positioning, low insertion force and high extraction force.

Furthermore, since the butt terminal 14 has a plurality of through grooves 142 on the two side walls of the U-shaped base 141, and the plurality of through grooves 142 on the side walls are arranged in a double-row array, so the plurality of through grooves 142 are bent and obliquely extended. The abutment shrapnel 144 are arranged in a double-row array. When the plug-in pieces 232 on both sides of the fuse 23 are plugged in, the abutment shrapnel 144 arranged in a double-row array of the butt terminal 14 contact the plug-in piece 232 at multiple points. Therefore, the multi-point contact increases the area for transmitting electric power, thereby reducing the contact resistance and reducing the heating area.

And because the two side walls of the U-shaped base 141 are punched to produce a plurality of through grooves 142, a plurality of resisting elastic pieces 143 and a plurality of abutting elastic pieces 144, and the through grooves 142 are elongated slots extending horizontally, so the abutting elastic pieces The short length of 144 can shorten the path length of electric conduction, thereby reducing power loss and lowering the high temperature of material heating.

The terminal block 12 of the base 1 is concavely provided with a U-shaped alignment groove 123 around the slot 122, and the movable cover 2 extends downwards on the bottom surface of the fixed seat 22 and has a U-shaped alignment groove around the slot 221. part 222, then when the movable cover 2 is covered on the base 1, the movable cover 2 is first inserted into the alignment groove 123 with the alignment part 222, and then the two-end plug pieces 232 of the fuse 23 are inserted into the slot 122 of the terminal block 12, This guides the position for smooth insertion.

The above-mentioned alignment groove 123 and alignment portion 222 can be in a corresponding U-shape, L-shape, or O-shape, etc.; the plurality of through grooves 142 on the two side walls of the U-shape base 141 of the docking terminal 14 can be in a single row Arrangement or double-row array arrangement, the above-mentioned simple modifications and equivalent structural changes should all be included in the patent scope of the present utility model in the same way.

In addition, positioning grooves 134 are recessed on the top and rear of the two side walls of the plug-in portion 131 of the conductive terminal 13, and the butt joint terminal 14 is bent outwards with positioning pieces on the top and rear of the two side walls of the U-shaped base 141. 145, through the engagement of the positioning piece 145 and the positioning groove 134, the front and rear directions of the butt terminal 14 are positioned, so as to avoid the displacement of the butt terminal 14 during plugging or shaking, thereby achieving the purpose of ensuring electrical contact and conducting power.

Therefore, the utility model is mainly aimed at the structure of the conductive sheet of the power connector, which includes a base and a movable cover covering the base, the bottom of the housing space above the base accommodates two terminal seats, and the side wall of the terminal seat is recessed to accommodate The slot is connected to the slot on the top surface, and the plug-in part of the conductive terminal inserted in the accommodating slot is built into the U-shaped base of the docking terminal. The two side walls of the U-shaped base are bent with a plurality of through grooves extending obliquely toward the bottom of the U-shaped base. The abutting shrapnel, the movable cover accommodates the fuse in the accommodating space of the upper cover, and the two ends of the fuse are electrically connected to the plug-in pieces inserted into the slots of the terminal base, so that the plug-in pieces are positively pushed against a plurality of abutment shrapnel, and When inserted into position, multiple abutting shrapnels are elastically deformed and clamp the inserting piece tightly toward the relative inner side with elastic recovery force, so as to have the advantages of stable positioning and low insertion force and high extraction force. However, the above only It is only a preferred embodiment of the utility model, and it does not limit the patent scope of the utility model, so all simple modifications and equivalent structural changes made by using the specification and drawings of the utility model should be included in this utility model in the same way. within the scope of utility model patents.

Claims (10)

1. a power connector conducting strip structure, it comprises pedestal and covers the removable cover in pedestal, wherein:

This pedestal is convexly equipped with the box body of inner tool accommodation space, two hollow slots of storage two-terminal seat are equipped with bottom accommodation space, terminal base sidewall is arranged with holding tank, terminal base end face has the slot being communicated with holding tank, the U-shaped Plug Division of conducting terminal is inserted with in holding tank, docking groove is formed in U-shaped Plug Division, the base portion that butt end is U-shaped is inserted in docking groove, U-shaped base portion two sidewall has multiple groove, and thoroughly below groove and top be bent with respectively be flexibly supported on docking groove internal face towards opposite exterior lateral sides support shell fragment and the abutting shell fragment towards relative inner, it is tiltedly stretch towards the bottom surface bending of U-shaped base portion that the docking terminal institute tool of pedestal abuts shell fragment,

This removable cover comprises upper cover, holder and fuse, the spatial accommodation of storage box body is formed in its upper cover, fuse is accommodated in spatial accommodation, fuse two termination pin is also electrically connected with the insert-connecting plate of insertion end stroma slot, and insert-connecting plate inserts the docking groove of conducting terminal and the multiple abutting shell fragment elasticity by docking terminal abut.

2. power connector conducting strip structure as claimed in claim 1, wherein the multiple groove of U-shaped base portion two sidewall of this pedestal institute tool docking terminal is the arrangement of double array-like, and multiple groove bends the multiple abutting shell fragments tiltedly stretched and also arranges in double array-like.

3. power connector conducting strip structure as claimed in claim 2, the wherein rectangular slotted eye shape that extends horizontally of this saturating groove.

4. power connector conducting strip structure as claimed in claim 1, be extended with the kink of bending continuously on front side of the Plug Division of wherein this pedestal institute tool conducting terminal, the kink other end is then extended with the connecting portion be positioned at bottom terminal base.

5. power connector conducting strip structure as claimed in claim 1, wherein the conducting terminal of this pedestal above the sidewall of Plug Division two and rear be arranged with location notch respectively, the top of U-shaped base portion two sidewall and the rear of docking terminal are bent with two spacers fastened in location notch respectively outwardly.

6. power connector conducting strip structure as claimed in claim 5, wherein this docking terminal utilizes high connductivity elastomeric material to make.

7. power connector conducting strip structure as claimed in claim 1, wherein the docking terminal institute tool of this pedestal supports shell fragment and tiltedly stretches towards the opening direction bending of U-shaped base portion.

8. power connector conducting strip structure as claimed in claim 1, wherein the upper cover of this removable cover has the headstock gear driving and open, close, lock or unlock.

9. power connector conducting strip structure as claimed in claim 1, is provided with top tool accommodating groove to hold the holder of fuse in the upper cover spatial accommodation of wherein this removable cover, and what accommodating groove had that connection lower outer passes for insert-connecting plate wears groove.

10. power connector conducting strip structure as claimed in claim 9, wherein the terminal base of this pedestal is arranged with around the alignment grooves around slot, removable cover institute tool holder bottom surface is also extended with down around wearing groove to insert the contraposition part of alignment grooves, and contraposition part bottom is lower than insert-connecting plate bottom.