CN218242404U

CN218242404U - Energy storage connector

Info

Publication number: CN218242404U
Application number: CN202222668442.6U
Authority: CN
Inventors: 谢郴恒
Original assignee: Shenzhen Li Wei Electrical Co ltd
Current assignee: Shenzhen Li Wei Electrical Co ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-01-06
Anticipated expiration: 2032-10-11

Abstract

The utility model provides an energy storage connector, include: a main body socket assembly composed of an insulator and a terminal; a through hole is arranged in the middle of the insulator, the first end of the through hole is round or approximately round, and the second end of the through hole is square or approximately square; the terminal first end is circular or approximately circular, with insulator circular or approximately circular port cooperation, the terminal second end is square or approximately square, with insulator square or approximately square port cooperation, the terminal is established in the insulator perforating hole, the insulator is stretched out at both ends, through establishing insulator limit structure and the terminal limit structure restriction terminal's on insulator and terminal axial displacement, prevent circumferential direction through square or approximately square port, the side surface in the insulator square or approximately square one end outside is equipped with a plurality of logical grooves along the axial. The utility model has the characteristics of insulation level is high, the size is little, be suitable for high altitude etc.

Description

Energy storage connector

Technical Field

The utility model relates to a new forms of energy electric wire netting jointing equipment technical field, concretely relates to energy storage connector.

Background

With the high importance of the country on new energy, the application of green energy such as wind power generation, solar power generation and the like is more and more extensive, and the energy can disappear if not used immediately after being converted into electric energy, so that the energy storage industry matched with the new energy is developed greatly together with the new energy. At present, the energy storage industry mainly adopts a plurality of groups of batteries to collect green energy and timely release the green energy when in need, the batteries obtain current and voltage with optimal energy efficiency in a parallel connection and series connection mode, and the parallel connection and the series connection of the batteries need to use an energy storage connector. The energy storage connector can quickly and reliably connect the batteries to form a battery pack.

In order to realize the connection between the batteries, a common connection mode in the market is to use a soft copper bar or a terminal to press and connect a lead and then lock the lead with a connector on the battery, and the lead is locked by a screw. The screw connection mode has small contact resistance, high strength and high reliability.

Most of the existing energy storage connectors can not meet the requirement of high altitude, and the main reason is that the energy storage industry is originally promoted mainly in southeast areas within the altitude of 2000 meters, and now with the vigorous promotion in China, especially in western high altitude areas, a plurality of connectors can not meet the use requirement. The main reason is that the air is thin (air dielectric density is low) and the voltage resistance level between the charged parts exposed in the air or between the charged parts and the non-charged metal parts (such as housing and grounding point) is reduced.

Most of connectors for energy storage in the market are designed to have small electrical clearance and small creepage distance, and mainly show that the distance (clearance) between an electrified part and a mounting screw and between an electrified part and a mounting panel is small, and the reliability of a product is reduced.

If high pressure resistance is to be realized, the existing products are basically realized by increasing the volume of the products, but the volume of the products is required to be smaller by the existing customers so as to save space, so that the similar products which can meet the requirements are not available on the market at present.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main objective is, to prior art's problem, provides an energy storage connector, aims at solving that current energy storage connector insulation level is low, the product size is big, be not suitable for high altitude occasion scheduling problem.

The utility model adopts the technical scheme as follows:

the utility model provides an energy storage connector, include: a main body socket assembly composed of an insulator and a terminal; a through hole is arranged in the middle of the insulator, the first end of the through hole is round or approximately round, and the second end of the through hole is square or approximately square; the terminal first end is circular or approximately circular, with insulator circular or approximately circular port cooperation, the terminal second end is square or approximately square, with insulator square or approximately square port cooperation, the terminal is established in the insulator perforating hole, the insulator is stretched out at both ends, through establishing insulator limit structure and the terminal limit structure restriction terminal's on insulator and terminal axial displacement, prevent circumferential direction through square or approximately square port, the side surface in the insulator square or approximately square one end outside is equipped with a plurality of logical grooves along the axial.

Furthermore, the insulator limiting structure is a plurality of clamping jaws arranged on the inner wall of the circular or approximate-circular hole, the clamping jaws extend out to the end of the square or approximate-square hole, the axial length of the clamping jaws and the central axis of the circular or approximate-circular hole form an included angle, a first limiting surface is arranged at the end part of each clamping jaw, a concave step is arranged near the port of the first end of the through hole and serves as a second limiting surface, the terminal limiting structure is two vertically opposite planes arranged on the circular or approximate-circular cylindrical surface, and the two planes are matched with the first limiting surface and the second limiting surface respectively to limit axial movement of the terminal.

Furthermore, the insulator limiting structure is a plurality of clamping jaws arranged on the inner wall of the circular or approximate circular hole, the clamping jaws extend out towards the square or approximate square hole end, the axial length of the clamping jaws forms an included angle with the central axis of the circular or approximate circular hole, the end parts of the clamping jaws are provided with first limiting surfaces, square or approximate square concave steps are arranged at the joint of the second end of the through hole and the first end of the through hole and serve as third limiting surfaces, the terminal limiting structure is two planes which are arranged on the circular or approximate circular cylindrical surface and face away from each other up and down, and the two planes are respectively matched with the first limiting surfaces and the third limiting surfaces to limit the axial movement of the terminal.

Furthermore, a first mounting hole is formed in the circular or approximately circular end face of the terminal and is a threaded hole.

Furthermore, a second mounting hole is formed in the side face of the square or approximately square end face of the terminal and is a threaded hole.

Furthermore, a third mounting hole is arranged on one surface of the circular or approximately circular through hole of the insulator along the periphery, and a bulge is arranged between the third mounting hole and the axis.

Further, the number of the protrusions is 4, and the number of the third mounting holes is 4.

Further, the protrusion extends from one surface to an adjacent surface on one surface of the circular or approximately circular through hole of the insulator, and forms two end surfaces, and grooves are formed on the two end surfaces along the axial direction.

Furthermore, the device also comprises a protective cover, and a wire outlet is arranged on one side of the protective cover.

Furthermore, the protective cover is provided with longitudinal rib positions at two sides of the wire outlet, the rib positions extend out from the inner top part along the inner wall, and after the protective cover is matched with the socket assembly, the rib positions are inserted into the grooves in the protrusions of the insulator.

According to the technical scheme, the utility model has the advantages of it is following: through the side surface in the square or approximately square one end outside of insulator along the axial be equipped with a plurality of logical grooves to and be equipped with the arch between third mounting hole and axis, the arch extends to the looks proximal surface in insulator circular or approximately circular perforating hole one side from one side, and form both ends face, be equipped with along axial groove on both ends face, the protective cover is equipped with fore-and-aft muscle position in outlet both sides, the muscle position pastes the inner wall and stretches out from interior top, after protective cover and socket subassembly cooperation, the muscle position inserts the inslot in the insulator arch, the connector has that insulation level is high, the product size is little, be suitable for characteristics such as high altitude occasion.

Drawings

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

Fig. 1 is a first cross-sectional view of an energy storage connector according to an embodiment of the present invention;

fig. 2 is a first perspective view of an energy storage connector according to an embodiment of the present invention;

fig. 3 is a perspective view of a second energy storage connector according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of an energy storage connector according to an embodiment of the present invention;

fig. 5 is a first perspective view of a main body socket assembly according to an embodiment of the present invention;

fig. 6 is a perspective view of a second embodiment of the main body socket assembly of the present invention;

fig. 7 is a perspective view of an insulator according to an embodiment of the present invention;

fig. 8 is a perspective view of an insulator according to an embodiment of the present invention;

fig. 9 is a cross-sectional view of an insulator according to an embodiment of the present invention;

fig. 10 is a perspective view of a protective cover according to an embodiment of the present invention;

fig. 11 is a first cross-sectional view of an energy storage connector according to an embodiment of the present invention;

fig. 12 is a sectional view of the energy storage connector according to the embodiment of the present invention;

fig. 13 is a first perspective view of the energy storage connector according to the embodiment of the present invention;

fig. 14 is a perspective view of the energy storage connector according to the second embodiment of the present invention.

Reference numerals:

100. an energy storage connector;

1. a protective cover; 11. a rib position; 12. an outlet;

2. a main body socket assembly; 21. an insulator; 210. a third limiting surface; 211. a through hole first end; 212. a through hole second end; 213. a protrusion; 214. a groove; 215. a claw; 2151. a first limit surface; 216. a through groove; 217. a third mounting hole; 218. an end face; 219. a second limiting surface; 22. a terminal; 221. a terminal first end; 222. a terminal second end; 223. two opposite planes; 224. a first mounting hole; 225. a second mounting hole; 226. two opposite planes;

3. a first locking screw;

4. installing a panel;

5. a first connection terminal;

6. and a third locking screw.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below 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 creative efforts shall belong to the protection scope of the present invention.

The terms "first," "second," "third," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between different objects and not for describing a particular sequential order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

The following provides a detailed description of the embodiments of the present invention with reference to the following specific examples.

As shown in fig. 1 to 7 and 9, an energy storage connector 100 of the present embodiment includes: a main body socket module 2 composed of an insulator 21 and a terminal 22; a through hole is arranged in the middle of the insulator 21, the first end 211 of the through hole is circular or approximately circular, and the second end 212 of the through hole is square or approximately square; the first terminal end 221 is circular or approximately circular and is matched with the circular or approximately circular hole of the insulator 21, the second terminal end 222 is square or approximately square and is matched with the square or approximately square hole of the insulator 21, the terminal 22 is arranged in the through hole of the insulator 21, two ends of the terminal extend out of the insulator 21, the axial movement of the terminal 22 is limited through the insulator limiting structure and the terminal limiting structure arranged on the insulator 21 and the terminal 22, the terminal 22 is prevented from rotating circumferentially through the square or approximately square hole, and a plurality of through grooves 216 are axially arranged on the side surface of the outer side of the square or approximately square end of the insulator 21.

Spacing structure embodiment 1:

the limiting structure of the insulator 21 is a plurality of clamping jaws 215 arranged on the inner wall of a circular or approximately circular hole, the clamping jaws 215 extend out towards the end of the square or approximately square hole, the axial length of the clamping jaws forms an included angle with the central axis of the circular or approximately circular hole, a first limiting surface 2151 is arranged at the end part of each clamping jaw 215, a concave step is arranged near the first end port of each through hole and serves as a second limiting surface 219, the limiting structure of the terminal 22 is an upper and lower opposite two planes 223 arranged on the circular or approximately circular cylindrical surface, and the two planes are respectively matched with the first limiting surface 2151 and the second limiting surface 219 to limit the axial movement of the terminal.

Spacing structure embodiment 2:

the limiting structure of the insulator 21 is a plurality of claws 215 arranged on the inner wall of a circular or approximate circular hole, the claws 215 extend out towards the end of the square or approximate square hole, the axial length of the claws 215 forms an included angle with the central axis of the circular or approximate circular hole, the end part of the claws 215 is provided with a first limiting surface 2151, a square or approximate square concave step is arranged at the joint of the second end of the through hole and the first end of the through hole and is a third limiting surface 210, the limiting structure of the terminal 22 is two planes 226 which are back on the upper and lower sides and are arranged on the circular or approximate circular cylindrical surface, and the two planes are respectively matched with the first limiting surface 219 and the third limiting surface 210 to limit the axial movement of the terminal.

The assembly method comprises the following steps: the second terminal end 222 is inserted into the first end 211 of the through hole, the circular or approximately circular cylindrical surface of the terminal 22 is clamped by the clamping jaw 215, the two planes 223 are respectively matched and clamped with the limiting surface 2151, the first terminal end 221 of the terminal slightly extends out of the first end 211 of the through hole, or is as high as the end surface of the first end 211 of the through hole, and the second terminal end 222 of the terminal extends out of the second end 212 of the through hole.

By adding the through-groove 216, the creepage distance between the terminal first end 221 and the terminal second end 222 is increased.

The round or approximately round end surface of the terminal 22 is provided with a first mounting hole 224, the first mounting hole 224 can be a threaded hole, referring to fig. 11, the first locking screw 3 passes through the mounting hole of the first connecting terminal 5 and is screwed into the first mounting hole 224 to fix the first connecting terminal 5 at one end of the terminal 22, the square or approximately square end surface of the terminal is provided with a second mounting hole 225, the second mounting hole 225 can be arranged at the side surface of the square or approximately square end surface of the terminal and can be a threaded hole, and the second mounting hole 225 is used for connecting a second connecting terminal (not shown in the figure).

Referring to fig. 8, a third mounting hole 217 is formed along the periphery of one side of the circular or substantially circular through hole of the insulator 21, a protrusion 213 is formed between the third mounting hole 217 and the axis, the one side of the circular or substantially circular through hole of the insulator 21 is square, the number of the protrusions 213 is 4, the number of the third mounting holes 217 is 4, the protrusions 213 extend from one side to the adjacent side of the circular or substantially circular through hole of the insulator 21 and form two end surfaces 218, and grooves 214 are formed along the axis on the two end surfaces 218. Referring to fig. 11, energy storage connector 100 is secured to mounting panel 4 through third mounting hole 217.

Referring to fig. 10, 12, 13, and 14, the socket further includes a protecting cover 1, a wire outlet 12 is formed on one side of the protecting cover 1, longitudinal rib positions 11 are formed on two sides of the wire outlet 12 of the protecting cover 1, the rib positions 11 extend from the inner top portion against the inner wall, and when the protecting cover 1 is fitted to the socket assembly 2, the rib positions 11 are inserted into the grooves 214 in the protrusions 213 of the insulator 21. The rib 11 may increase a creepage and clearance distance between the third locking screw 6 passing through the third mounting hole 217 and the terminal first end 221.

The technical solution of the present invention has been described in detail through the specific embodiments. In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to the related descriptions of other embodiments.

It should be understood that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same. A person skilled in the art may modify the technical solutions described in the above embodiments, or may substitute part of the technical features; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. An energy storing connector comprising: a main body socket assembly composed of an insulator and a terminal; a through hole is arranged in the middle of the insulator, the first end of the through hole is round or approximately round, and the second end of the through hole is square or approximately square; the terminal is characterized in that a side surface outside the square or approximately square end of the insulator is provided with a plurality of through grooves along the axial direction.

2. The energy storage connector according to claim 1, wherein the insulator limiting structure is a plurality of claws arranged on the inner wall of the circular or approximately circular hole, the claws extend towards the end of the square or approximately square hole, the axial length of the claws forms an included angle with the central axis of the circular or approximately circular hole, the end parts of the claws are provided with first limiting surfaces, the part near the port of the first end of the through hole is provided with a concave step which is a second limiting surface, the terminal limiting structure is two opposite upper and lower planes arranged on the circular or approximately circular cylindrical surface, and the two planes are respectively matched with the first limiting surface and the second limiting surface to limit the axial movement of the terminal.

3. The energy storage connector of claim 1, wherein the insulator limiting structure is a plurality of claws arranged on the inner wall of the circular or approximately circular hole, the claws extend towards the square or approximately square hole end, the axial length of the claws forms an included angle with the central axis of the circular or approximately circular hole, the end parts of the claws are provided with first limiting surfaces, the joint of the second end of the through hole and the first end of the through hole is provided with square or approximately square concave steps as a third limiting surface, the terminal limiting structure is two planes which are back to back and forth up and down and are arranged on the circular or approximately circular cylindrical surface, and the two planes are respectively matched with the first limiting surface and the third limiting surface to limit the axial movement of the terminal.

4. The connector of claim 1, wherein the terminal has a first mounting hole formed in a circular or substantially circular end surface thereof, which is a threaded hole.

5. The connector of claim 1, wherein the second mounting hole is a threaded hole formed in a side surface of the terminal square or approximately square end surface.

6. The connector of claim 1, wherein a third mounting hole is formed along the circumference of the circular or substantially circular through hole of the insulator, and a protrusion is formed between the third mounting hole and the axis.

7. The connector of claim 6, wherein there are 4 projections and 4 third mounting holes.

8. The connector of claim 6, wherein the protrusion extends from one face to an adjacent face of the insulator through the hole in a circular or substantially circular shape and defines two end faces, and the two end faces are provided with grooves along the axial direction.

9. The connector of any one of claims 1-8, further comprising a protecting cover, wherein a wire outlet is formed on one side of the protecting cover.

10. The energy storage connector of claim 9, wherein the shield cover has longitudinal ribs on opposite sides of the outlet, the ribs extending from the inner top portion against the inner wall, the ribs being received in slots in the projections of the insulator when the shield cover is mated with the receptacle assembly.