CN210535878U

CN210535878U - Large-current sheet type reed

Info

Publication number: CN210535878U
Application number: CN201921990749.XU
Authority: CN
Inventors: 夏友卿; 王国堂
Original assignee: Henan THB Electric Co Ltd
Current assignee: Henan THB Electric Co Ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-05-15
Anticipated expiration: 2029-11-18

Abstract

The utility model provides a heavy current piece formula reed for solve the problem that current reed contact point is few, plug power is big, with high costs and be difficult to satisfy high demand. The utility model discloses a reed body, the reed body includes the structural plane that two sets of symmetries set up, the both ends of structural plane are provided with front end area and rear end area respectively, are equipped with a plurality of bullet piece group and simple beam between the front end area of every group structural plane and the rear end area, bullet piece group and the vertical crisscross setting each other of simple beam, the bullet piece group that sets up on two sets of structural planes all is the symmetric distribution with the center of two sets of structural planes with simple beam. The utility model discloses a shell fragment and simple beam to with both mutual uses, can effectively reduce the insertion force of terminal, increased effective area of contact simultaneously, reduce contact resistance, improved the current-carrying capacity, and structural design is simple reasonable, economical and practical.

Description

Large-current sheet type reed

Technical Field

The utility model relates to a auto parts technical field, concretely relates to heavy current piece formula reed.

Background

Compared with the traditional automobile, the new energy automobile has the important characteristic that the whole automobile is provided with a high-voltage high-current system, wherein the high-voltage high-current system comprises a charging system, a power distribution system, a power system and the like. In order to meet the requirements of assembly and maintenance disassembly of components, the adoption of an electric connector is indispensable. The existing high-voltage high-current connector mainly transfers current by a wiring terminal, a reed and a sheath main body are arranged in the wiring terminal, the existing reed is generally cage-shaped, two ends of the reed are connected, a rectangular reed is arranged in the middle of the reed, the reed is in inclined distortion or concave shape in the middle, and the reed is contacted with a contact pin to play a role in conducting a circuit; the large-current connector generally requires low temperature rise and good plugging hand feeling, and the existing reed generally has few contact points, large plugging force, high cost and is difficult to meet the higher and higher requirements.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem that current reed contact point is few, plug power is big, with high costs and be difficult to satisfy high demand, provide a heavy current piece formula reed, realize increasing effective area of contact, reduce contact resistance to improve current-carrying capacity, and structural design is simple reasonable, economical and practical.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a heavy current piece formula reed, includes the reed body, the reed body includes the structural plane that two sets of symmetries set up, the both ends of structural plane are provided with front end area and rear end area respectively, are equipped with a plurality of bullet piece group and simple beam between the front end area of every group structural plane and the rear end area, bullet piece group and simple beam vertically crisscross the setting each other, the bullet piece group that sets up on two sets of structural planes all is the symmetric distribution with the center of two sets of structural planes with simple beam.

The elastic sheet group on the same structural surface comprises two elastic sheets which are symmetrical along a transverse central line, and the head of each elastic sheet is suspended, and the root of each elastic sheet is fixedly connected with the front end belt or the rear end belt.

The head of the elastic sheet is provided with a smooth surface, the root of the elastic sheet is provided with a convex hull I, the smooth surface extends towards the center of the corresponding structural surface, the smooth surface and the convex hull I are matched with the matched female end sheath, and the middle of the elastic sheet is sunken towards the centers of the two groups of structural surfaces and is provided with a groove matched with the matched male end sheath.

The two ends of the simply supported beam on the same structural surface are respectively and fixedly connected with the front end belt and the rear end belt, and the simply supported beam is of a dumbbell-shaped structure with two wide ends and a narrow middle part.

The simple beam comprises a contact part and convex hulls II, the contact part is arranged in the middle of the simple beam and is matched with the matched male end sheath, and the convex hulls II are arranged at two ends of the simple beam and are matched with the matched female end sheath.

The contact part is of an arc-shaped structure, and the arc surface is arranged towards the centers of the two groups of structural surfaces.

The utility model adopts the elastic sheet and the simply supported beam, and the elastic sheet and the simply supported beam are used alternately, so that the positions of the contact points of the elastic sheet and the simply supported beam are different, and the insertion force of the terminal can be effectively reduced; the spring plates are divided into a front group and a rear group, and two groups of structure surfaces are symmetrically distributed, so that the number of contact points is four times that of common spring plates, the effective contact area is greatly increased, the contact resistance is reduced, and the current carrying capacity is increased; the utility model discloses simple structure, reasonable in design, easy to produce and the cost is lower, has stronger practicality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a schematic view of the structure of the elastic sheet of the present invention;

fig. 4 is the structural schematic diagram of the simply supported beam of the present invention.

In the figure, 1 is a reed body, 101 is a front end band, 102 is a rear end band, 2 is a spring plate, 201 is a groove, 202 is a smooth surface, 203 is a convex hull i, 3 is a simply supported beam, 301 is a contact part, and 302 is a convex hull ii.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.

As shown in fig. 1 and 2, the utility model provides a heavy current piece formula reed, including reed body 1, reed body 1 includes the structural plane that two sets of symmetries set up, and two sets of structural planes set up respectively in the upper portion and the lower part of reed body 1, and two sets of structural planes are symmetrical about the center of reed body 1, and the middle part of reed body 1 is hollow structure, conveniently sets up reed group and simple beam 3. When the combined type solar cell is used, the matched male end protective sleeve is arranged between the two groups of structural surfaces, and the female end protective sleeve is arranged on the outer sides of the two groups of structural surfaces, so that the contact area of the whole structure is increased, the contact resistance is reduced, and the current carrying capacity is improved. The two ends of each group of structural surfaces are respectively provided with a front end belt 101 and a rear end belt 102, the reed body 1 comprises two side plates, the upper parts and the lower parts of the side plates are fixedly connected through the front end belts 101 and the rear end belts 102 on the two groups of structural surfaces, and the reed body is integrally formed during manufacturing. Evenly be equipped with a plurality of bullet piece group and simple beam 3 between front end area 101 and the rear end area 102, bullet piece group and the vertical crisscross setting each other of simple beam 3, the bullet piece group that sets up on two sets of structural planes and simple beam 3 all are the symmetric distribution with the center of two sets of structural planes, specifically are the bullet piece group on two sets of structural planes and correspond from top to bottom, and the simple beam 3 on two sets of structural planes corresponds from top to bottom, and this structural design can effectively increase area of contact in the use, reduces contact resistance, has improved the current-carrying capacity.

Specifically, the elastic sheet group on the same structural plane includes two elastic sheets 2 symmetrical along a transverse center line, and the head of the elastic sheet 2 is suspended, and the root of the elastic sheet 2 is fixedly connected with the front end belt 101 or the rear end belt 102, and the elastic sheet group can be of an integrated structure and is convenient to use. As shown in fig. 3, the elastic sheet 2 is a spindle-shaped structure with a wide middle and narrow ends, so as to increase the contact area with the male end sheath; the head of shell fragment 2 is equipped with smooth surface 202, the root is equipped with convex closure I203, smooth surface 202 extends the setting and upwards perk to the center of corresponding structural plane, convex closure I203 protrusion front end area 101 or rear end area 102, realize smooth surface 202 and convex closure I203 be convenient for with the female end sheath phase-match of matched stack, wherein smooth surface 202 can follow the contact of equipment sheath inner wall and slide, in the use, smooth surface 202 contacts with two sets of structural plane inner walls of the female end sheath of matched stack, and slide along the inner wall of female end sheath along the male end sheath inserts the atress, provide holding power and increase the area of contact of shell fragment 2 and female end sheath for shell fragment 2, thereby reduce contact resistance. The middle part of the elastic sheet 2 is sunken towards the centers of the two groups of structural surfaces and is provided with a groove 201 matched with the matched male end sheath, specifically, the groove 201 is sunken towards the center of the spring sheet body 1, and the groove 201 can divide the contact points of the elastic sheet 2 into two parts, so that the contact quantity is increased, the contact resistance is reduced, and the maximum current carrying capacity is improved.

The two ends of the simply supported beam 3 on the same structural surface are respectively and fixedly connected with the front end belt 101 and the rear end belt 102, the simply supported beam 3 can be an integral structure formed by punching and blanking the simply supported beam 3 and the front end belt 101 or the rear end belt 102, the simply supported beam 3 is of a dumbbell-shaped structure with two wide ends and a narrow middle, the two ends of the simply supported beam 3 are stably connected with the front end belt 101 or the rear end belt 102 conveniently, and the middle of the simply supported beam 3 is matched with the male end sheath. Specifically, as shown in fig. 4, the simply supported beam 3 includes a contact portion 301 and a convex hull ii 302, the contact portion 301 is disposed in the middle of the simply supported beam 3, and has an arc-shaped structure, and the arc surface is disposed inward, that is, the contact portion 301 is close to the center of the reed body 1, so as to be convenient for being matched with the assembled male end sheath; the convex hulls II 302 are arranged at two ends of the simply supported beam 3 and protrude out of the front end belt 101 or the rear end belt 102, so that the convex hulls II are matched with the matched female end sheath conveniently, the contact mode is effectively improved, and the contact area is increased. In the use, shell fragment 2 and the crisscross use of simple beam 3, because of the contact surface position difference, shell fragment 2 and simple beam 3 provide the plug power in proper order when public end sheath inserts, can effectively reduce the plug power, improve and insert and feel.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a large current piece formula reed, includes reed body (1), its characterized in that: reed body (1) is including the structural plane that two sets of symmetries set up, and the both ends of structural plane are provided with front end area (101) and rear end area (102) respectively, are equipped with a plurality of bullet group and simply supported beam (3) between the front end area (101) and the rear end area (102) of every group structural plane, bullet group and simply supported beam (3) vertically crisscross the setting each other, and the bullet group that sets up on two sets of structural planes and simply supported beam (3) all are the symmetric distribution with the center of two sets of structural planes.

2. A high current sheet reed as in claim 1, wherein: the elastic sheet group on each group of structural surfaces comprises two elastic sheets (2) which are symmetrical along a transverse central line, the head of each elastic sheet (2) is suspended, and the root of each elastic sheet (2) is fixedly connected with the front end belt (101) or the rear end belt (102).

3. A high current sheet reed as in claim 2, wherein: the head of shell fragment (2) is equipped with smooth surface (202), and the root is equipped with convex closure I (203), smooth surface (202) extends the setting to the center of corresponding structural plane, smooth surface (202) and convex closure I (203) all with the female end sheath phase-match of matched stack, the middle part of shell fragment (2) is sunken to the center of two sets of structural planes, and is equipped with and the public end sheath phase-match's of matched stack recess (201).

4. A high current sheet spring according to claim 1 or 3, wherein: two ends of the simply supported beam (3) on each group of structural surfaces are respectively and fixedly connected with the front end belt (101) and the rear end belt (102), and the simply supported beam (3) is of a dumbbell-shaped structure with two wide ends and a narrow middle part.

5. A high current sheet reed according to claim 4, wherein: the simple beam (3) comprises a contact part (301) and a convex hull II (302), the contact part (301) is arranged in the middle of the simple beam (3) and is matched with the matched male end sheath, and the convex hull II (302) is arranged at two ends of the simple beam (3) and is matched with the matched female end sheath.

6. A high current sheet reed according to claim 5, wherein: the contact part (301) is of an arc-shaped structure, and the arc surface is arranged towards the centers of the two groups of structural surfaces.