CN215497413U

CN215497413U - Large-current terminal connecting assembly

Info

Publication number: CN215497413U
Application number: CN202120671787.XU
Authority: CN
Inventors: 何信; 裴宏奇; 刘弘哲; 何勇
Original assignee: Huizhou Shuwei Technology Co ltd
Current assignee: Huizhou Shuwei Technology Co ltd
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2022-01-11
Anticipated expiration: 2031-04-01

Abstract

The utility model relates to a large-current terminal connecting assembly which comprises a male terminal and a female terminal, wherein the male terminal comprises a male end shell and a plurality of terminal contact pins arranged in the male end shell; the female terminal comprises a female end shell, a plurality of sleeves and an elastic frame, wherein the sleeves are arranged in the female end shell and used for inserting the terminal contact pins, the elastic frame is arranged in the sleeves, the tail ends of the terminal contact pins are provided with rubber plugs, and the diameters of the rubber plugs are not smaller than the diameters of the terminal contact pins; the elastic frame is cylindrical and comprises connecting rings at two ends and a plurality of elastic strips for connecting the two connecting rings, and the elastic strips are arc-shaped and the centers of the elastic strips protrude towards the axial direction of the connecting rings. When equipment is connected to male terminal and female terminal, the effect through the plug struts the elastic strip, has consequently avoided the relative motion of terminal contact pin and plug, reduces friction between them, reduces the installation resistance, reduces the degree of difficulty of installation, has avoided the cladding material of terminal contact pin to receive the damage simultaneously, ensures that the current-carrying capacity of terminal contact pin is not influenced, can bear the heavy current.

Description

Large-current terminal connecting assembly

Technical Field

The utility model relates to the field of high-current terminals, in particular to a high-current terminal connecting assembly.

Background

Terminal coupling assembling includes male terminal and female terminal, is provided with the sleeve in the female terminal, is provided with the terminal contact pin that can insert in the sleeve in the male terminal, inserts to the sleeve through the terminal contact pin in, realizes the connection of male terminal and female terminal. And generally can bear the terminal connection subassembly of heavy current, all can be provided with the elastic frame in the sleeve, when terminal contact pin inserts in the sleeve, make the elastic frame keep with the contact of terminal contact pin to make public terminal and female terminal have the ability of bearing the heavy current.

However, when the conventional terminal pin is inserted into the sleeve, the friction force between the terminal pin and the elastic frame is large, which not only makes the assembly difficult, but also causes damage to the plating layer of the terminal pin, thereby affecting the effect.

SUMMERY OF THE UTILITY MODEL

The utility model provides a large-current terminal connecting assembly for overcoming the problem of large friction force between a terminal contact pin and an elastic frame in the prior art, so that the friction force between the terminal contact pin and the elastic frame is reduced, and the damage to a terminal contact pin coating is reduced.

In order to solve the technical problems, the utility model adopts the technical scheme that: a high-current terminal connecting assembly comprises a male terminal and a female terminal, wherein the male terminal comprises a male end shell and a plurality of terminal contact pins arranged in the male end shell; the female terminal comprises a female end shell, a plurality of sleeves and an elastic frame, wherein the sleeves are arranged in the female end shell and used for inserting terminal contact pins, the elastic frame is arranged in the sleeves, the tail ends of the terminal contact pins are provided with rubber plugs, and the diameters of the rubber plugs are not smaller than the diameters of the terminal contact pins; the elastic frame is cylindrical and comprises connecting rings at two ends and a plurality of elastic strips for connecting the two connecting rings, wherein the elastic strips are arc-shaped, and the centers of the elastic strips protrude towards the axial direction of the connecting rings.

In foretell technical scheme, when public terminal is connected with female terminal, the terminal contact pin inserts to the elastic frame in the sleeve, and at the inserted in-process, because the elastic frame is the structure that the centre is narrow wide at both ends, the plug can strut the narrow part in the centre, and the elastic strip resets after the plug enters into the both ends of broad. The elastic strip that resets presss from both sides tight with the terminal contact pin, makes the elastic frame keep with the contact of terminal contact pin to make public terminal and female terminal have the ability that bears the heavy current. And in the process that the terminal pin moves, the elastic strip is opened under the action of the rubber plug, so that the relative motion of the terminal pin and the rubber plug is avoided, and the friction between the terminal pin and the rubber plug is reduced.

Preferably, the terminal pin is provided with a threaded hole, and the rubber plug is provided with a threaded column in threaded connection with the threaded hole. The plug passes through the end of the terminal contact pin that the threaded connection of screw thread post and screw hole is fixed, can ensure that the installation of plug is firm.

Preferably, the edge of plug is provided with the inclined plane, and the inclined plane can reduce the resistance of relative motion between plug and the elastic strip, makes the connection of male terminal and female terminal easier.

Preferably, the female terminal further comprises a hollow support cylinder; the elastic frame is arranged in the hollow supporting cylinder, a plurality of elastic pins distributed along the circumference are arranged at two ends of the elastic frame, and the elastic pins are abutted against the outer wall of the hollow supporting cylinder after being bent. During assembly, the elastic frame is placed into the hollow support cylinder, the elastic pins at two ends are bent, and the hollow support cylinder is clamped through the elastic pins. Through the effect of the hollow supporting cylinder, the position of the elastic frame is more stable, and the elastic frame is better kept in contact with the terminal contact pin. Simultaneously, because the elastic frame is when the atress warp, the hollow support section of thick bamboo can regard as a strong point, makes the deformation of the elastic strip on the elastic frame receive the restriction of hollow support section of thick bamboo, can only recover to the direction at terminal contact pin place, ensures that the elastic strip can reset and with terminal contact pin butt after being strutted.

Preferably, the sleeve comprises a first sleeve ring arranged at the bottom of the female end shell and a second sleeve ring sleeved with the first sleeve ring, and the first sleeve ring and the second sleeve ring are both provided with a cavity for accommodating the elasticity. When the female terminal is assembled, the first sleeve ring is placed into the shell of the female terminal, then the hollow support cylinder provided with the elastic frame is placed into the cavity of the first sleeve ring, and finally the second sleeve ring is used for wrapping the hollow support cylinder. The female terminal is assembled in a step-by-step installation mode, and the assembling efficiency can be improved.

Preferably, the terminal contact pin with public end shell swing joint, public terminal is still including being used for fixing the terminal contact pin lid behind the public end in the public end shell, and public end shell is provided with a mounting hole, and the terminal contact pin is packed into in the mounting hole and is provided with a step and mounting hole butt, then the public end back lid of reuse compresses tightly the terminal contact pin, accomplishes the fixed of terminal contact pin. The sleeve with female end shell swing joint, female terminal still includes and is used for fixing the sleeve at female end protecgulum in female end shell, and after the female end shell was packed into to the second thimble, through female end protecgulum pressure second thimble, the equipment of accomplishing female terminal.

Preferably, the male terminal further comprises a communication pin installed in the male end housing; the female terminal further comprises a communication female socket installed in the female end shell, and the communication contact pin is matched with the communication female socket.

Compared with the prior art, the beneficial effects are: when equipment is connected to male terminal and female terminal, the effect through the plug struts the elastic strip, has consequently avoided the relative motion of terminal contact pin and plug, reduces friction between them, reduces the installation resistance, reduces the degree of difficulty of installation, has avoided the cladding material of terminal contact pin to receive the damage simultaneously, ensures that the current-carrying capacity of terminal contact pin is not influenced, can bear the heavy current.

Drawings

Fig. 1 is a schematic structural view of a high-current terminal connection assembly according to the present invention;

fig. 2 is an exploded view of the female terminal of the present invention;

FIG. 3 is an exploded view of the male terminal of the present invention;

fig. 4 is a perspective view of the elastic frame of the present invention.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "long", "short", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is only for convenience of description and simplicity of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

The technical solution of the present invention is further described in detail by the following embodiments with reference to the accompanying drawings.

Examples

Fig. 1-4 show an embodiment of a high current terminal connection assembly, which includes a male terminal 1 and a female terminal 2, where the male terminal 1 includes a male housing 101 and two terminal pins 102 installed in the male housing 101; the female terminal 2 comprises a female end shell 201, two sleeves 202 arranged in the female end shell 201 for the insertion of the terminal pins 102 and an elastic frame 203 arranged in the sleeves 202, wherein the tail ends of the terminal pins 102 are provided with rubber plugs 103, and the diameters of the rubber plugs 103 are not smaller than the diameters of the terminal pins 102; the elastic frame 203 is cylindrical and includes two end connection rings 2031 and a plurality of elastic bars 2032 for connecting the two connection rings 2031, and the elastic bars 2032 are arc-shaped and have a center protruding toward the axial direction of the connection rings 2031. The number of the terminal pins in this embodiment is two, but not limited to this number, and the sleeve 202 corresponds to the number of the terminal pins.

Further, the terminal pin 102 is provided with a threaded hole, and the rubber plug 103 is provided with a threaded post 1031 in threaded connection with the threaded hole. The rubber plug 103 is connected with the tail end of the terminal pin 102 fixed by the thread of the threaded hole through the threaded post 1031, so that the rubber plug 103 can be stably mounted.

Further, the edge of the rubber plug 103 is provided with an inclined surface, which can reduce the resistance of the relative movement between the rubber plug 103 and the elastic strip 2032, so that the connection between the male terminal 1 and the female terminal 2 is easier.

Further, the female terminal 2 further includes a hollow support cylinder 204; the elastic frame 203 is installed in the hollow supporting cylinder 204, a plurality of elastic pins 2033 distributed along the circumference are arranged at two ends of the elastic frame 203, and the elastic pins 2033 are bent and then abutted against the outer wall of the hollow supporting cylinder 204. The position of the spring bracket 203 is made more stable by the action of the hollow support cylinder 204, and better kept in contact with the terminal pins 102. Meanwhile, when the elastic frame 203 deforms under stress, the hollow supporting cylinder 204 can serve as a supporting point, so that the deformation of the elastic strip 2032 on the elastic frame 203 is limited by the hollow supporting cylinder 204 and can only recover to the direction of the terminal pin 102, and the elastic strip 2032 can be reset and abutted against the terminal pin 102 after being expanded.

Further, the sleeve 202 includes a first collar 2021 mounted at the bottom of the female housing 201 and a second collar 2022 sleeved with the first collar 2021, and the first collar 2021 and the second collar 2022 are both provided with a cavity for accommodating elasticity. When assembling the female terminal 2, the first ferrule 2021 is now placed into the female housing 201, then the hollow support cylinder 204 with the elastic frame 203 is placed into the cavity of the first ferrule 2021, and finally the hollow support cylinder 204 is wrapped by the second ferrule 2022. The female terminal 2 is assembled by stepwise mounting, and the assembling efficiency can be improved.

Further, terminal pin 102 and public end shell 101 swing joint, public terminal 1 still include be used for with terminal pin 102 fix public end back cover 104 in public end shell 101, public end shell 101 is provided with a mounting hole, terminal pin 102 pack into the mounting hole and be provided with a step and the mounting hole butt, then reuse public end back cover 104 compresses tightly terminal pin 102, accomplishes the fixed of terminal pin 102. The sleeve 202 is movably connected to the female housing 201, the female terminal 2 further includes a female front cover 205 for fixing the sleeve 202 in the female housing 201, and after the second ferrule 2022 is installed in the female housing 201, the second ferrule 2022 is pressed by the female front cover 205 to complete the assembly of the female terminal 2.

Further, the male terminal 1 further includes a communication pin 105 installed in the male housing 101; the female terminal 2 further includes a communication female socket 206 mounted in the female housing 201, and the communication pin 105 is mated with the communication female socket 206.

The working principle or working process of the embodiment is as follows: when the male terminal 1 is connected with the female terminal 2, the terminal pin 102 is inserted into the elastic frame 203 in the sleeve 202, and in the inserting process, because the elastic frame 203 is a structure with two wide ends and a narrow middle, the rubber plug 103 can prop open the narrow middle part until the rubber plug 103 enters the wide two ends and then the elastic strip 2032 resets. The reset spring bar 2032 clamps the terminal pins 102 and keeps the spring frame 203 in contact with the terminal pins 102, so that the male terminal 1 and the female terminal 2 have the capability of carrying large current. In the moving process of the terminal pin 102, the elastic strip 2032 is stretched by the action of the rubber plug 103, so that the relative movement between the terminal pin 102 and the rubber plug 103 is avoided, and the friction between the terminal pin 102 and the rubber plug 103 is reduced.

The beneficial effect of this implementation: when the male terminal 1 and the female terminal 2 are connected and assembled, the elastic strip 2032 is stretched under the action of the rubber plug 103, so that the relative movement between the terminal pin 102 and the rubber plug 103 is avoided, the friction between the terminal pin 102 and the rubber plug 103 is reduced, the installation resistance is reduced, the installation difficulty is reduced, the plating layer of the terminal pin 102 is prevented from being damaged, the current-carrying capacity of the terminal pin 102 is not affected, and the heavy current can be borne.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A high-current terminal connecting assembly comprises a male terminal and a female terminal, wherein the male terminal comprises a male end shell and a plurality of terminal contact pins arranged in the male end shell; the female terminal comprises a female end shell, a plurality of sleeves and an elastic frame, wherein the sleeves are arranged in the female end shell and used for inserting the terminal contact pins, and the elastic frame is arranged in the sleeves; the elastic frame is cylindrical and comprises connecting rings at two ends and a plurality of elastic strips for connecting the two connecting rings, wherein the elastic strips are arc-shaped, and the centers of the elastic strips protrude towards the axial direction of the connecting rings.

2. A high current terminal connection assembly according to claim 1, wherein said terminal pin is provided with a threaded hole, and said rubber plug is provided with a threaded post threadedly connected to said threaded hole.

3. A high current terminal connection assembly according to claim 2, wherein the edge of the plug is beveled.

4. A high current terminal connection assembly according to claim 1, wherein said female terminal further comprises a hollow support cylinder; the elastic frame is arranged in the hollow supporting cylinder, a plurality of elastic pins distributed along the circumference are arranged at two ends of the elastic frame, and the elastic pins are abutted against the outer wall of the hollow supporting cylinder after being bent.

5. A high current terminal connection assembly according to claim 4, wherein the sleeve comprises a first collar mounted to the bottom of the female end housing and a second collar sleeved with the first collar, the first and second collars each being provided with a cavity for accommodating the resilience.

6. A high current terminal connection assembly according to any one of claims 1 to 5, wherein the terminal pin is movably connected to the male housing, the male terminal further comprises a male rear cover for fixing the terminal pin in the male housing, the sleeve is movably connected to the female housing, and the female terminal further comprises a female front cover for fixing the sleeve in the female housing.

7. A high current terminal connection assembly as claimed in claim 6, wherein said male terminal further comprises a communication pin mounted within said male end housing; the female terminal further comprises a communication female socket installed in the female end shell, and the communication contact pin is matched with the communication female socket.