CN210224317U

CN210224317U - Connecting part for communicating battery pack with load

Info

Publication number: CN210224317U
Application number: CN201921149881.8U
Authority: CN
Inventors: Zhigao Xiong; 熊志高; Guochang Xu; 徐国昌; Juntuan Guo; 郭军团; Xuhui Zhang; 张旭辉; Li Ma; 马李
Original assignee: Hunan Copower EV Battery Co Ltd
Current assignee: Hunan Copower EV Battery Co Ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-03-31
Anticipated expiration: 2029-07-22

Abstract

The utility model provides an adapting unit for intercommunication battery package and load, including fixed conduction subassembly, a fixed plate, binding post and connection piece, fixed conduction subassembly includes non-metallic fixing base and conduction utmost point post, the mode that the conduction utmost point post passed non-metallic fixing base perpendicularly is moulded plastics on non-metallic fixing base, non-metallic fixing base of fixed conduction subassembly is fixed on the fixed plate and the supporting perforation of passing the fixed plate of two dogs of non-metallic fixing base, the fixed suit of one end of binding post is in the upper end of the conduction utmost point post of fixed conduction subassembly, the fixed suit of one end of connection piece is at the lower extreme of the conduction utmost point post of fixed conduction subassembly, the other end of connection piece passes the clearance that leaves between two dogs of the non-metallic fixing. The utility model discloses an adapting unit for communicateing battery package and load, simple structure, compactness, safety in utilization, reliability are higher.

Description

Connecting part for communicating battery pack with load

Technical Field

The utility model relates to an adapting unit for communicateing battery package and load.

Background

When the battery pack (including the battery box and the battery module) is used, the battery pack is generally connected with a load through the pole, and the electric energy of the battery pack is transmitted to the load through the pole. At present, most of battery packs are manufactured by directly connecting the total positive end and the total negative end with the poles on the shell correspondingly, and the poles are electric energy transmission parts, so that the connection reliability and safety of the pole are very important. However, due to the changes of the use environment and the application field, the size and the shape of the pole column need to be changed correspondingly, so that a separate mold opening is needed for manufacturing, which increases the cost to a certain extent and also affects the research and development progress. In addition, the pole on the battery pack is generally in direct contact with the outside air, and after a certain time, accidents such as short circuit, electric leakage or poor contact are easy to occur when the pole is connected with a load, so that the normal use of the battery pack is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure, compactness, use reliability, the better adapting unit who is used for intercommunication battery package and load of security.

The utility model discloses a following scheme realizes:

a connecting component for communicating a battery pack with a load comprises a fixed conducting component, a fixed plate, a connecting terminal and a connecting piece, wherein the fixed conducting component comprises a non-metal fixing seat and a conducting pole, the whole conducting pole is cylindrical, the conducting pole vertically penetrates through the non-metal fixing seat and is injected on the non-metal fixing seat, a first convex part is arranged on the periphery of the position, close to the non-metal fixing seat, of the lower end of the conducting pole, a second convex part is arranged on the periphery of the position, close to the non-metal fixing seat, of the upper end of the conducting pole, two stop blocks are symmetrically arranged on the lower end face of the non-metal fixing seat by taking the conducting pole as the center, a gap is reserved between the two stop blocks, a through hole is formed in the fixed plate, the non-metal fixing seat of, the fixed cover of one end of binding post adorns in the upper end of fixed conduction subassembly's conduction utmost point post, the fixed cover of one end of connection piece is adorned in the lower extreme of fixed conduction subassembly's conduction utmost point post, the other end of connection piece passes the clearance that leaves between two dogs of fixed conduction subassembly's non-metallic fixing base. In actual manufacturing, the connecting copper bars are mostly adopted as the connecting pieces. The shape of the stop block on the non-metal fixing seat for fixing the conducting assembly can be designed according to the requirement, such as a half moon shape, a U shape and the like. The mode that the non-metal fixing seat is fixed on the fixing plate can be selected according to the requirement, for example: set up the pressure nut of riveting at the fixed plate back (the one side of the nonmetal fixing base of dorsad promptly), weld nut or the nut of moulding plastics, perhaps set up the screw hole on the fixed plate, set up the double-screw bolt on the nonmetal fixing base, rivet the nut through the pressure on the double-screw bolt on the nonmetal fixing base and the fixed plate, weld nut or the nut of moulding plastics mutually support the locking fixed, perhaps the double-screw bolt on the nonmetal fixing base passes behind the screw hole on the fixed plate and mutually supports the locking through solitary nut and fix, realize fixing between nonmetal fixing base and the fixed plate. The first and second projecting portions of the conductive pole of the fixed conductive assembly can be designed as desired.

Furthermore, the connecting terminal is sleeved at one end of the upper end of the conducting pole of the fixed conducting assembly and is clamped and fixed up and down through a second nut and a second convex part of the conducting pole, and the connecting piece is sleeved at one end of the lower end of the conducting pole of the fixed conducting assembly and is clamped and fixed up and down through a first convex part of the conducting pole and a first nut. During actual manufacturing, the outer side surfaces of the two end parts of the conduction pole exposed out of the non-metal fixing seat are provided with threads so as to be matched with nuts to be screwed. And in order to satisfy the installation of each nut, the thread length that non-metallic fixing base was exposed to conduction utmost point post upper end is generally not less than the second bulge of conduction utmost point post, the second nut, binding post suit is at the thickness of the one end of fixed conduction subassembly's conduction utmost point post upper end and the value of four times pitch of screw thread in addition, the thread length that non-metallic fixing base was exposed to conduction utmost point post lower extreme is generally not less than the first bulge of conduction utmost point post, first nut, the connection piece suit is at the thickness of the one end of fixed conduction subassembly's conduction utmost point post lower extreme and the value of four.

Further, still include check structure, check structure is including the body that is the slab structure, the round hole has been seted up on the body, one side of body is provided with first baffle perpendicularly, the another side parallel arrangement of body has the second baffle that can buckle perpendicularly and the direction of buckling of second baffle is reverse with first baffle, check structure and conduction utmost point post's mounted position relation alternative goes on in following two kinds of modes: the body of the anti-loosening structural member is sleeved on the position, between the connecting sheet and the first protruding part of the conducting pole, of the conducting pole through a circular hole, the first baffle of the anti-loosening structural member is sequentially contacted with the connecting sheet and the outer side surface of the first nut, and the second baffle of the anti-loosening structural member is vertically bent and then contacted with the outer side surface of the first protruding part of the conducting pole; or the body of the anti-loosening structural member is sleeved on the position, between the connecting sheet and the first nut, of the conductive pole column through the circular hole, the first baffle of the anti-loosening structural member is sequentially contacted with the connecting sheet and the outer side face of the first protruding portion of the conductive pole column, and the second baffle of the anti-loosening structural member is vertically bent and then contacted with the outer side face of the first nut. The anti-loosening structural member can play a role in blocking the first nut from rotating radially, and the anti-rotation and anti-loosening functions are realized.

Further, the height of the stop block of the non-metal fixing seat is not less than 1.5 times of the thickness of the first protruding part of the conducting pole. The arrangement of the stop block can meet the creepage distance requirement and the insulation gap requirement between the conductive pole and the fixed plate, and ensure the insulation between the conductive pole and the fixed plate; the connecting sheet can be isolated from other components to prevent contact short circuit and the like. Meanwhile, the lower connecting piece is limited in position during installation.

Furthermore, a protective sleeve is covered on the upper end part of the conducting pole in a matched mode, and the other end of the wiring terminal penetrates through the protective sleeve and is partially exposed. The setting of lag can prevent the collision of conduction utmost point post and external component to realize that conduction utmost point post upper end tip realizes insulating isolation with the external world, prevent that external metal material object, various liquid and dust etc. from dropping to conduction utmost point post upper end tip and binding post on, do not hinder binding post and load connection simultaneously.

The utility model discloses an adapting unit for communicateing battery package and load, simple structure, compactness, the installation is dismantled conveniently, convenient to use, direct with adapting unit's connection piece, binding post respectively with the battery package extreme, the extreme one-to-one of load is connected, can realize the electricity intercommunication between battery package and the load, the utility model discloses an adapting unit, the conduction utmost point post is moulded plastics with non-metal fixing base and is formed fixed conduction subassembly together for whole adapting unit's connection reliability is better, and the safety in utilization is good, and its insulating barrier property is better, uses it to connect battery package and load, can satisfy high temperature and high humidity's service condition, can pass through the wet change of handing over heat test better, satisfies each trade power consumption safety requirement.

Drawings

Fig. 1 is a schematic view showing the overall structure of a connecting member for connecting a battery pack to a load in embodiment 1;

fig. 2 is an exploded view of a connecting member for connecting a battery pack to a load in example 1;

FIG. 3(a) is a schematic structural diagram of a fixed conductive element in example 1;

FIG. 3(b) is a schematic structural view of the fixed conductive member in example 1 (II);

fig. 4(a) is a schematic structural view of the check structure (in an original state) in example 1;

fig. 4(b) is a schematic structural view of the check structure (in use) in embodiment 1.

Detailed Description

The embodiment is only for illustrating one implementation of the present invention, and is not to be taken as a limiting illustration of the protection scope of the present invention.

Example 1

A connecting component for communicating a battery pack with a load, as shown in fig. 1 and 2, comprises a fixed conductive component 1, a fixed plate 2, a connecting terminal 3, a connecting sheet 4, an anti-loose structural member 5 and a protective sleeve 6, wherein the connecting sheet 4 of the embodiment is a connecting copper bar; as shown in fig. 3(a) and 3(b), the fixed conducting assembly 1 includes a non-metal fixing base 101 and a conducting post 102, the conducting post 102 is cylindrical, the conducting post 102 is injection-molded on the non-metal fixing base 101 in a manner of vertically penetrating through the non-metal fixing base 101, a first convex portion 1021 is disposed on the periphery of the position of the lower end of the conducting post 102 close to the non-metal fixing base 101, a second convex portion 1022 is disposed on the periphery of the position of the upper end of the conducting post 102 close to the non-metal fixing base 101, a thread (not shown in the figure) is disposed on the outer side surface of the conducting post 102, the length of the thread exposed from the non-metal fixing base 101 on the upper end of the conducting post 102 is not less than the second convex portion 1022 of the conducting post 102, the second nut 7, and the terminal 3 is, the length of the thread of the lower end of the conductive pole 102, which is exposed out of the non-metal fixing seat 101, is not less than the thickness of the first convex part 1021 of the conductive pole 102, the first nut 8 and the value of four times of the thread pitch of the connecting sheet 4, which are sleeved at one end of the lower end of the conductive pole of the fixed conductive assembly, the lower end face of the non-metal fixing seat 101 is symmetrically provided with two half-moon-shaped stoppers 1011 by taking the conductive pole 102 as the center, a gap 1012 is reserved between the two stoppers 1011, the height of the stopper 1011 of the non-metal fixing seat 101 is not less than 1.5 times of the thickness of the first convex part 1021 of the conductive pole 102; as shown in fig. 4(a) and 4(b), the anti-loosening structure 5 includes a body 501 in a flat plate structure, a circular hole 5011 is formed in the body 501, a first baffle 502 is vertically disposed on one side of the body 501, a second baffle 503 bent vertically is disposed on the other side of the body 501 in parallel, and the bending direction of the second baffle 503 is opposite to that of the first baffle 502; as shown in fig. 1, a through hole 201 is formed in the fixing plate 2, and a screw hole (not shown) is formed around the fixing plate 2 (which is blocked by a third nut).

As shown in fig. 1, the non-metal fixing seat 101 of the fixed conductive assembly 1 sequentially passes through the stud through-hole 1013 on the non-metal fixing seat 101 through the stud 9, and then is fixed on the fixing plate 2 through the way that the independent third nut 10 is mutually matched and locked and fixed after the threaded hole on the fixing plate 2, and the two stoppers 1011 of the non-metal fixing seat 101 are matched and passed through the through-hole 201 of the fixing plate 2, one end of the connection terminal 3 is sleeved on the upper end of the conductive pole 102 of the fixed conductive assembly 1 and is clamped and fixed up and down through the second nut 7 and the second convex part 1022 of the conductive pole 102, one end of the connection piece 4 is sleeved on the lower end of the conductive pole 102 of the fixed conductive assembly 1 and is clamped and fixed up and down through the first convex part 1021 of the conductive pole 102 and the first nut 8, the other end of the connection, the body 501 of the anti-loosening structural member 5 is sleeved on the position, between the connecting sheet 4 and the first nut 8, of the conducting pole 102 through the round hole 5011, the first baffle 502 of the anti-loosening structural member 5 is sequentially contacted with the connecting sheet 4 and the outer side face of the first convex part 1021 of the conducting pole 102, the second baffle 503 of the anti-loosening structural member 5 is vertically bent and then contacted with the outer side face of the first nut 8, the upper end part of the conducting pole 102 is covered with the protecting sleeve 6 in a matched mode, and the other end of the wiring terminal 3 is sleeved on the protecting sleeve 6 in a penetrating mode and is partially exposed.

When the connecting piece is used, the connecting piece of the connecting part for communicating the battery pack with the load is connected with the pole (the total positive end or the total negative end) of the battery pack, the connecting terminal of the connecting part for communicating the battery pack with the load is connected with the corresponding pole (the positive end or the negative end) of the load, and therefore the electric energy of the battery pack can be transmitted to the load through the conducting pole. For convenience, generally, after a connecting piece of a connecting component for communicating a battery pack and a load is connected with an extreme (a total positive end or a total negative end) of the battery pack, a non-metal fixing seat and a fixing plate are installed on a battery pack shell together, or the battery pack shell is used as the fixing plate, so that the non-metal fixing seat is directly fixed on the battery pack shell, and when the connecting piece is required to be connected with the load for use, a connecting terminal of the connecting component for communicating the battery pack and the load is connected with a corresponding extreme (a positive end or a negative end) of the load.

Example 2

A connecting member for connecting a battery pack to a load, which is similar in structure to the connecting member for connecting a battery pack to a load of embodiment 1, except that: the back of the fixed plate (namely the side back to the non-metal fixed seat) is provided with a press riveting nut, and the non-metal fixed seat of the fixed conduction assembly is fixed on the fixed plate in a way that a stud sequentially penetrates through a stud through hole on the non-metal fixed seat and a threaded hole on the fixed plate and then is matched with the press riveting nut to be locked and fixed; the body of the anti-loosening structure part is sleeved on the position, between the connecting sheet and the first protruding portion of the conducting pole, the first baffle of the anti-loosening structure part is sequentially contacted with the connecting sheet and the outer side face of the first nut, and the second baffle of the anti-loosening structure part is vertically bent and then contacted with the outer side face of the first protruding portion of the conducting pole.

Claims

1. A connecting member for connecting a battery pack to a load, characterized in that: the fixed conducting component comprises a non-metal fixing seat and a conducting pole, the whole conducting pole is cylindrical, the conducting pole vertically penetrates through the non-metal fixing seat and is injection-molded on the non-metal fixing seat, a first bulge part is arranged on the periphery of the position, close to the non-metal fixing seat, of the lower end of the conducting pole, a second bulge part is arranged on the periphery of the position, close to the non-metal fixing seat, of the upper end of the conducting pole, two stop blocks are symmetrically arranged on the lower end face of the non-metal fixing seat by taking the conducting pole as a center, a gap is reserved between the two stop blocks, a through hole is formed in the fixing plate, the non-metal fixing seat of the fixed conducting component is fixed on the fixing plate, the two stop blocks of the non-metal fixing seat are matched with the through hole of the fixing plate, one end of the connecting sheet is fixedly sleeved at the lower end of the conducting pole of the fixed conducting assembly, and the other end of the connecting sheet penetrates through a gap reserved between the two check blocks of the non-metal fixing seat of the fixed conducting assembly.

2. A connecting member for connecting a battery pack to a load as recited in claim 1, wherein: the connecting piece is sleeved at one end of the lower end of the conducting pole of the fixed conducting assembly and is clamped and fixed up and down through the first convex part of the conducting pole and the first nut.

3. A connecting member for connecting a battery pack to a load as claimed in claim 2, wherein: still include anti-loosening structure, anti-loosening structure is including the body that is the slab structure, the round hole has been seted up on the body, one side of body is provided with first baffle perpendicularly, the another side parallel arrangement of body has the second baffle that can buckle perpendicularly and the direction of buckling of second baffle is reverse with first baffle, anti-loosening structure and the alternative of the mounted position relation of conduction utmost point post go on in following two kinds of modes: the body of the anti-loosening structural member is sleeved on the position, between the connecting sheet and the first protruding part of the conducting pole, of the conducting pole through a circular hole, the first baffle of the anti-loosening structural member is sequentially contacted with the connecting sheet and the outer side surface of the first nut, and the second baffle of the anti-loosening structural member is vertically bent and then contacted with the outer side surface of the first protruding part of the conducting pole; or the body of the anti-loosening structural member is sleeved on the position, between the connecting sheet and the first nut, of the conductive pole column through the circular hole, the first baffle of the anti-loosening structural member is sequentially contacted with the connecting sheet and the outer side face of the first protruding portion of the conductive pole column, and the second baffle of the anti-loosening structural member is vertically bent and then contacted with the outer side face of the first nut.

4. A connecting member for connecting a battery pack to a load as recited in claim 1, wherein: the height of the stop block of the non-metal fixing seat is not less than 1.5 times of the thickness of the first protruding part of the conducting pole.

5. A connecting member for connecting a battery pack to a load as claimed in any one of claims 1 to 4, wherein: the upper end part of the conducting pole is covered with a protective sleeve in a matching way, and the other end of the connecting terminal is sleeved on the protective sleeve in a penetrating way and is partially exposed.