CN216671995U

CN216671995U - Plug-in structure of electric connector

Info

Publication number: CN216671995U
Application number: CN202123121358.4U
Authority: CN
Inventors: 余剑峰; 胡华舜; 余荣学; 陈智强
Original assignee: Shenzhen Tralee Wire Spring Terminal Technology Co ltd
Current assignee: Shenzhen Tralee Wire Spring Terminal Technology Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-06-03
Anticipated expiration: 2031-12-13

Abstract

The utility model discloses an inserting structure of an electric connector, which comprises a main body, wherein the main body comprises a connecting section, a connecting plate and a connecting pipe which are connected in sequence, the connecting section is connected with the connecting plate, and one end of the connecting section, which is far away from the connecting plate, is provided with a connecting hole; one section of connecting pipe is kept away from the connecting plate and is formed the joint section, and the joint section has been seted up a plurality of grooves of stepping down, and a plurality of grooves of stepping down link up the pipe wall of joint section and separate into a plurality of shell fragments with the pipe wall of joint section. When the connector is used, the contact pin is inserted into the connecting pipe, and the plurality of elastic sheets are mutually matched to clamp the contact pin so as to realize electric connection. The electric connector is simple in structure, convenient to manufacture and low in cost, and the connection steps are simple and convenient, so that manual operation is facilitated.

Description

Plug-in structure of electric connector

Technical Field

The utility model relates to the technical field of electric connectors, in particular to a plug-in structure of an electric connector.

Background

Currently, in the design of an energy storage system, a right-angle connector is needed to implement the series connection or the parallel connection of battery cells, and in the existing application scheme, the split type crimping and the structure for installing a conductive reed are mainly adopted. The existing structure has the main defects that the voltage connection resistance of the right-angle connecting part is large, and the batch qualification is difficult to ensure in the production process; the conductive reed is easy to generate fatigue failure in the repeated high-strength charging and discharging process, so that the contact resistance is increased, the heat productivity of the system is increased, and the fault of the whole energy storage system is caused.

The traditional energy storage electric connector has the problems of complex connection mode, complex connection steps, poor process consistency and the like.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a plug-in structure of an electric connector, and aims to solve the problems of high heating, unstable process and easy fatigue failure of an energy storage electric connector.

In order to achieve the above object, the present invention provides an insertion structure of an electrical connector, comprising:

the main body comprises a connecting section, a connecting plate and a connecting pipe which are sequentially connected, wherein the connecting section is connected with the connecting plate, and one end of the connecting section, which is far away from the connecting plate, is provided with a connecting hole; a section of the connecting pipe, which is far away from the connecting plate, forms a clamping section, the clamping section is provided with a plurality of abdicating grooves, and the abdicating grooves penetrate through the pipe wall of the clamping section so as to divide the pipe wall of the clamping section into a plurality of elastic sheets; the axial direction of the connecting pipe is perpendicular to the axial direction of the connecting hole.

Preferably, the inserting structure of the electric connector further comprises an elastic ring, and the elastic ring is sleeved outside the clamping section.

Preferably, the elastic ring is provided with a fracture so as to form a non-closed annular structure.

Preferably, the outer wall of the clamping section is provided with a clamping groove, and the elastic ring is clamped in the clamping groove.

Preferably, the inner wall that the joint section was kept away from the connecting plate forms first spigot surface, first spigot surface place the wall thickness of joint section is along keeping away from the direction of connecting plate is the convergent setting.

Preferably, the clamping section is far away from the outer wall of connecting plate forms the second spigot surface, the second spigot surface is located the wall thickness of clamping section is along keeping away from the direction of connecting plate is the convergent setting.

Preferably, the insertion structure of the electrical connector further comprises a sheath, and the sheath is sleeved outside the clamping section.

Preferably, a flange is inwards turned on one side of the sheath, which is far away from the connecting plate, and the flange is used for shielding the end part of the clamping section.

Preferably, the body is integrally formed.

According to the technical scheme, the contact pin is inserted into the connecting pipe, and the plurality of elastic sheets are matched with each other to clamp the contact pin so as to realize electric connection. The electric connector is simple in structure, convenient to manufacture and low in cost, and the connection steps are simple and convenient, so that manual operation is facilitated.

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 the structures shown in the drawings without creative efforts.

FIG. 1 is a general schematic view of a plug structure of an electrical connector according to an embodiment of the present invention

Fig. 2 is a cross-sectional view of a plug structure of an electrical connector according to an embodiment of the utility model;

fig. 3 is an exploded view of a plug structure of an electrical connector according to an embodiment of the utility model.

The reference numbers indicate:

the objects, features and advantages of the present invention will be further explained with reference to the accompanying drawings.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a plug-in structure of an electric connector.

Referring to fig. 1 to 3, in an embodiment of the present invention, an insertion structure of an electrical connector includes:

the main body 100 comprises a connecting section 200, a connecting plate 300 and a connecting pipe 400 which are sequentially connected, wherein the connecting section 200 is connected with the connecting plate 300, and one end of the connecting section 200, which is far away from the connecting plate 300, is provided with a connecting hole 201; one section of connecting pipe 400 far away from connecting plate 300 forms joint section 401, and joint section 401 has seted up a plurality of grooves of stepping down 403, and a plurality of grooves of stepping down 403 link up joint section 401's pipe wall so as to separate into a plurality of shell fragments 402 with joint section 401's pipe wall.

In use, a pin is inserted into the connecting tube 400, and the plurality of resilient tabs 402 cooperate with each other to hold the pin for electrical connection. The electric connector is simple in structure, convenient to manufacture and low in cost, and the connecting steps are simple and convenient, so that manual operation is facilitated.

Specifically, in the present embodiment, the axial direction of the connection pipe 400 and the axial direction of the connection hole 201 are perpendicular to each other; the connection section 200 is cylindrical, the connection plate 300 is a rectangular plate, the length direction of the connection plate is the same as that of the connection section 200, and the connection plate 300 is fixed at one end of the connection section 200. The connecting hole 201 is a circular hole and is coaxially arranged at one end of the connecting section 200 far away from the connecting plate 300, so that manual operation is facilitated.

With reference to fig. 2 and fig. 3, further, an end of the inner wall of the connection hole 201 away from the connection plate 300 has a third guide, and a thickness surface of the third guide surface 202 is gradually tapered from a side away from the connection plate 300.

Still further, the side of the connecting plate 300 away from the connecting tube 400 is tangent to the outer circumferential wall of the connecting section 200. The connection segment 200 is connected to the connection plate 300 with an inclined surface toward the connection pipe 400, and the inclined surface extends from a side near the connection pipe 400 to a side near the connection plate 300. The structure is more reasonable through the design of inclined plane to convenient the manufacturing.

Specifically, the diameter of the hole bottom of the connection hole 201 is tapered in accordance with the inclination direction of the inclined surface. Still further, the connecting pipe 400 is disposed at any side of the connecting plate 300 and is far away from one end of the connecting section 200, and one end of the connecting plate 300 far away from the connecting section 200 is an arc surface and is connected to the outer peripheral wall of the connecting pipe 400. The possibility that the connecting plate 300 scratches a person is reduced by the arrangement of the arc surface.

Further, the main body 100 is integrally formed. The main body 100 is manufactured by injection molding or machining, and the main body 100 has high structural strength and can be manufactured in batch, thereby saving cost.

Further, the inserting structure of the electrical connector further includes an elastic ring 600, and the elastic ring 600 is sleeved outside the clamping section 401. After the pin is inserted into the clamping section 401, the elastic ring 600 is sleeved on the clamping section 401, and all the elastic pieces 402 are located in the elastic ring 600. Through the spacing a plurality of shell fragments 402 of elastic ring 600, avoid shell fragment 402 to outwards expand and lead to the contact pin to break away from joint section 401, improve contact pin and electric connector jack connection's stability.

Specifically, the elastic ring 600 is circular, and the elastic ring 600 is clamped on one side of the clamping section 401 away from the connecting plate 300. When the pin is inserted, the resilient pieces 402 are expanded outward to cover the resilient ring 600 with all of the resilient pieces 402, and all of the resilient pieces 402 hold the pin.

Further, the elastic ring 600 has a break 601 formed therein to form a non-closed ring structure. The elastic ring 600 can generate elasticity through the fracture 601, and the elastic ring 600 is convenient to disassemble manually.

Specifically, the elastic ring 600 is formed by bending a rectangular metal sheet. The elastic ring 600 is convenient to manufacture, low in cost and convenient to produce in batches.

Further, the outer wall of the clamping section 401 is provided with a clamping groove 500, and the elastic ring 600 is clamped in the clamping groove 500. Through draw-in groove 500, make things convenient for elastic ring 600 joint, avoid elastic ring 600 to break away from, improve the stability of structure.

Specifically, the clamping groove 500 is formed in a circular ring shape around the outer wall of the clamping section 401, and the clamping groove 500 is communicated with all the abdicating grooves 403. The width of the catching groove 500 is the same as the height of the elastic ring 600. The thickness of elastic ring 600 is less than the degree of depth of draw-in groove 500, avoids the outside of elastic ring 600 to extend beyond draw-in groove 500, avoids the mistake to touch and leads to elastic ring 600 and joint section 401 to break away from.

In this embodiment, the depth of the clamping groove 500 is the same as the thickness of the elastic ring 600, and after the elastic ring 600 is clamped into the clamping groove 500, the outer diameter of the elastic ring 600 is the same as the outer diameter of the clamping section 401.

Further, the inner wall of the clamping section 401 away from the connection plate 300 forms a first guide surface 700, and the clamping section 401 where the first guide surface 700 is located is tapered along the direction away from the connection plate 300. When inserting the contact pin, through the first guiding surface 700 direction contact pin, make things convenient for the manual work to insert the contact pin.

Specifically, the first guide surface 700 is an arc surface, so that manual insertion of the pin is further facilitated.

Further, the outer wall of the clamping section 401 away from the connecting plate 300 forms a second guide surface 800, and the clamping section 401 where the second guide surface 800 is located is tapered along the direction away from the connecting plate 300. When the elastic ring 600 is inserted, the elastic ring 600 is conveniently installed by guiding through the second guide surface 800.

After the manual work inserts the grafting section with the contact pin, the one end that connecting plate 300 was kept away from to shell fragment 402 can lean out, and on the manual work established the second spigot surface 800 of whole shell fragments 402 with the elastic ring 600 cover, to the direction promotion elastic ring 600 of connecting plate 300, elastic ring 600 ordered about whole shell fragments 402 and is close to each other in order to compress tightly the contact pin, and the connection is accomplished in the draw-in groove 500 to elastic ring 600 card.

Further, the plug structure of the electrical connector further includes a sheath 900, and the sheath 900 is sleeved outside the clamping section 401. The sheath 900 protects the elastic sheet 402 and the elastic ring 600, and prevents the elastic ring 600 or the elastic sheet 402 from being damaged.

Specifically, the sheath 900 has a circular tube shape, and the sheath 900 is used to protect the lateral deformation of the elastic sheet 402. The sheath 900 is coaxially sleeved on the clamping section 401, and the length of the sheath 900 is greater than that of the elastic sheet 402. The sheath 900 can cover all the spring plates 402 to prevent the spring plates 402 from being damaged.

Further, a flange 901 is folded inwards on one side of the sheath 900 far away from the connecting plate 300, and the flange 901 is used for shielding the end of the clamping section 401. The flange 901 protects the card segment 401 from damage by an oversized pin. The end of the elastic sheet 402 is protected by the flange 901, so that the protection effect on the elastic sheet 402 is further improved.

Specifically, flange 901 is spaced from spring plate 402.

It should be noted that, in order to ensure the realization of the electrical connection function, the main body 100 is made of a conductive material, which is not described in detail herein.

When the plugging structure of the electric connector is used, a contact pin is manually inserted into the clamping section 401, and all the elastic sheets 402 wrap the contact pin. After the manual work inserts the grafting section with the contact pin, the one end that the connecting plate 300 was kept away from to the flexure strip can lean out, and on the manual work established the second spigot surface 800 of whole flexure strips with the flexure strip cover, to the direction promotion elastic ring 600 of connecting plate 300, elastic ring 600 ordered about whole flexure strips and is close to each other in order to compress tightly the contact pin, and elastic ring 600 card is gone into in the draw-in groove 500. The sheath 900 is slipped over the plug section to complete the electrical connection.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An insertion structure of an electrical connector, comprising:

the main body comprises a connecting section, a connecting plate and a connecting pipe which are sequentially connected, wherein a connecting hole is formed in one end, far away from the connecting plate, of the connecting section; the connecting pipe is kept away from one section formation joint section of connecting plate, a plurality of grooves of stepping down have been seted up to the joint section, and are a plurality of the groove of stepping down link up the pipe wall of joint section is in order to separate into a plurality of shell fragments with the pipe wall of joint section.

2. The connector structure of claim 1, further comprising an elastic ring sleeved outside the clamping section.

3. The connector structure of claim 2, wherein the resilient ring is interrupted to form a non-closed loop.

4. The plug structure of an electric connector according to claim 2, wherein a clamping groove is formed in an outer wall of the clamping section, and the elastic ring is clamped in the clamping groove.

5. The connector structure of claim 4, wherein the inner wall of the clamping section away from the connecting board forms a first guide surface, and the clamping section where the first guide surface is located is tapered along a direction away from the connecting board.

6. The connector structure of claim 4, wherein the outer wall of the clamping section away from the connecting plate forms a second guiding surface, and the clamping section where the second guiding surface is located is tapered along a direction away from the connecting plate.

7. The plug structure of the electrical connector according to any one of claims 1 to 6, further comprising a sheath, wherein the sheath is sleeved outside the clamping section.

8. The connector structure of claim 7, wherein the sheath is a circular tube structure, and the sheath is used for protecting the clamping section; one side of the sheath, which is far away from the connecting plate, is inwards turned with a turned-over edge, and the turned-over edge is used for protecting the clamping section from being damaged.

9. The electrical connector plug structure according to any one of claims 1 to 6, wherein the main body is integrally formed.