CN219371448U

CN219371448U - Liquid cooling rifle quick change structure that charges

Info

Publication number: CN219371448U
Application number: CN202222923919.0U
Authority: CN
Inventors: 王继华
Original assignee: Shenzhen Yihang Electric Technology Co ltd
Current assignee: Shenzhen Yihang Electric Technology Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-07-18
Anticipated expiration: 2032-11-03

Abstract

The utility model discloses a liquid cooling charging gun quick-change structure, which comprises a charging connector main body assembly, and is characterized in that: the terminal fixing assembly is located on one side of the charging connector main body assembly, the terminal fixing assembly is fixedly connected with the charging connector main body assembly, the quick-change terminal can be detached and arranged in the terminal fixing assembly, and the quick-change terminal can be detached and fixedly connected with the charging connector main body assembly. The utility model relates to the field of charging of new energy electric automobiles, in particular to a liquid cooling charging gun quick-change structure. The utility model aims to solve the technical problem of providing a quick-change structure of a liquid-cooling charging gun, which is favorable for realizing quick change of vulnerable parts.

Description

Liquid cooling rifle quick change structure that charges

Technical Field

The utility model relates to the field of charging of new energy electric automobiles, in particular to a liquid cooling charging gun quick-change structure.

Background

At present, the charging process of the new energy automobile is to connect a charging connector of an electric energy product with a charging pile, so that the charging of the product is completed, impurities such as moisture and dust are easily brought into a terminal conductor of the charging connector in the charging process due to the influence of the use environment, after the charging wear is accumulated for a certain time, the internal temperature rise of the terminal of the charging connector is increased, the plugging force is overlarge, the terminal contact reed deforms, even the problem of short circuit is solved, the normal charging is influenced, and the fire hazard can occur under severe conditions. Therefore, when the charging connector is used for a certain period of time (2 years or 1 ten thousand times of plugging), the charging connector needs to be replaced and maintained regularly, and the whole wire harness needs to be replaced in general, so that a new charging connector is installed. The existing market production products are subjected to after-sale maintenance and repair, only the whole set of charging connectors or charging equipment is replaced, the maintenance cost is high, and the following replacement time is long. The replacement operation requires a high technical expertise.

In the actual use process, the contact resistance is excessively high due to the abrasion of the terminal of the conductive part of the charging connector, even the connection is invalid, other parts can still be normally used, and under the condition, if the whole charging connector is directly replaced, great waste is caused, the replacement speed is very slow, the maintenance efficiency is low, and the maintenance cost is high; the replacement process needs reconnection after power-off replacement of the cable bundle, so that the workload is large, and potential safety hazards exist.

In order to reduce the replacement of the whole set of charging connector products or the whole set of charging equipment, the time cost and the material use cost of the charging connector products or the whole set of charging equipment are reduced, and the charging connector is quick and efficient. It is desirable to provide a charging connector that allows for quick replacement of terminals.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a quick-change structure of a liquid-cooling charging gun, which is favorable for realizing quick change of vulnerable parts.

The utility model adopts the following technical scheme to realize the aim of the utility model:

the utility model provides a liquid cooling rifle quick change structure that charges, includes charging connector main part subassembly, characterized by: terminal fixed subassembly, terminal fixed subassembly is located charging connector body subassembly one side, terminal fixed subassembly fixed connection charging connector body subassembly can dismantle quick change terminal, it is in to dismantle quick change terminal setting in the terminal fixed subassembly, it can dismantle quick change terminal fixed connection charging connector body subassembly can dismantle quick change rifle connector head subassembly, can dismantle quick change rifle connector head subassembly is located charging connector body subassembly one side, can dismantle quick change rifle connector head subassembly matching electric connector body subassembly, the set screw realizes can dismantle quick change rifle connector head subassembly with charging connector body subassembly's fixed connection, connects electric intubate, it is located electric connector body subassembly one side to connect electric intubate fixed connection charging connector body subassembly, terminal fixed subassembly can dismantle quick change terminal and connect electric intubate to be located electric connector body subassembly with can dismantle quick change connector head subassembly and constitute the district.

As a further limitation of this technical scheme, can dismantle quick change rifle connector head subassembly includes holding ring, circular casing, oval casing, protecting crust, holding ring fixed connection circular casing with oval casing, circular casing fixed connection oval casing, protecting crust fixed connection the holding ring, the electric intubate that connects sets up in the circular casing, terminal fixed subassembly matches the protecting crust.

As a further limitation of the present technical solution, the terminal fixing assembly is provided with a set of evenly distributed through holes.

As a further limitation of the technical scheme, the detachable quick-change terminal comprises a front end, a rear end and a shell, wherein the front end and the rear end are arranged in the shell, the rear end is fixedly connected with the shell, the front end is detachably and fixedly connected with the rear end, and the shell is matched with the terminal fixing assembly.

As a further limitation of the technical scheme, the front end is provided with a front end large accommodating cavity and a front end small accommodating cavity, and the front end small accommodating cavity is communicated with the front end large accommodating cavity.

As a further limitation of the technical scheme, the rear end is provided with an installation cavity, the rear end is provided with a group of second liquid passing holes, the second liquid passing holes are communicated with the installation cavity, the rear end is provided with a group of bulges, the bulges are provided with spiral grooves, the rear end is provided with a crimping hole, the rear end is provided with a group of first liquid passing holes corresponding to the crimping hole, and the first liquid passing holes are communicated with the crimping hole.

As a further limitation of the present solution, the front end is disposed within the mounting cavity.

As a further limitation of the technical scheme, the shell is provided with a group of third through holes, and the third through holes are matched with the group of through holes.

As a further limitation of the present technical solution, the rear end is fixedly connected to the charging connector body assembly.

As a further limitation of the technical scheme, the number of the power receiving cannulas is three, two are thin and one is thick.

Compared with the prior art, the utility model has the advantages and positive effects that:

(1) Through the design, a large amount of maintenance cost, labor hour and material cost can be effectively saved, and the whole process of replacing the worn-out and failed terminal can be completely replaced within a few minutes after power failure is confirmed;

(2) The wire harness end of the charging connector end does not need to be subjected to other actions, and only a special tool is used for disassembling the terminal needing replacement, and the terminal is assembled and reset again;

(3) Quick replacement of vulnerable parts is realized, maintenance cost is reduced, and requirements on maintenance and replacement technical capability are reduced. The quick replacement and maintenance can be realized.

Drawings

Fig. 1 is an exploded view of the present utility model.

Fig. 2 is a schematic perspective view of a detachable quick change gun connector head assembly according to the present utility model.

Fig. 3 is a schematic view of a partially cut-away perspective view of the removable quick-change terminal of the present utility model.

In the figure:

1. a charging connector body assembly having a plurality of terminals,

2. a terminal fixing assembly, 21, a through hole,

3. the quick-change terminal can be disassembled and replaced,

31. front end 311, front end small accommodation cavity 312, front end large accommodation cavity,

32. rear end 321, crimping hole 322, first liquid passing hole 323, bulge 3231, spiral groove 324, second liquid passing hole 325, mounting cavity,

33. a housing 331 and a liquid passing hole III,

4. the quick change gun connector head assembly 41, the locating ring 42, the circular housing 43, the elliptical housing 44, the protective housing,

5. a screw is fixed on the fixing device,

6. and (5) connecting an electric cannula.

Detailed Description

The following detailed description of embodiments of the utility model is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the utility model is not limited to the specific embodiments.

The charging connector comprises a charging connector main body assembly 1 and a terminal fixing assembly 2, wherein the terminal fixing assembly 2 is positioned on one side of the charging connector main body assembly 1, the terminal fixing assembly 2 is fixedly connected with the charging connector main body assembly 1, a detachable quick-change terminal 3 is arranged in the terminal fixing assembly 2, the detachable quick-change terminal 3 is fixedly connected with the charging connector main body assembly 1, a detachable quick-change gun connector head assembly 4 is positioned on one side of the charging connector main body assembly 1, the detachable quick-change gun connector head assembly 4 is matched with the electric connector main body assembly 1, a fixing screw 5 is used for realizing the fixed connection of the detachable quick-change gun connector head assembly 4 and the charging connector main body assembly 1, a power connection insertion tube 6 is positioned on one side of the electric connector main body assembly 1, the power connection tube 6 is fixedly connected with the charging connector main body assembly 1, and the terminal fixing assembly 2, the detachable quick-change gun connector head assembly 3 and the electric insertion tube 6 are positioned in a detachable quick-change connector main body assembly 4 and a detachable gun connector main body assembly 4.

The detachable quick-change gun connector head assembly 4 comprises a positioning ring 41, a circular shell 42, an elliptical shell 43 and a protective shell 44, wherein the positioning ring 41 is fixedly connected with the circular shell 42 and the elliptical shell 43, the circular shell 42 is fixedly connected with the elliptical shell 43, the protective shell 44 is fixedly connected with the positioning ring 41, the power-connection insertion tube 6 is arranged in the circular shell 42, and the terminal fixing assembly 2 is matched with the protective shell 44.

The detachable quick-change gun connector head assembly 4 can fix the terminal and can be used as a quick-wear part for quick replacement.

The terminal fixing assembly 2 is provided with a set of evenly distributed through holes 21.

The detachable quick-change terminal 3 comprises a front end 31, a rear end 32 and a shell 33, wherein the front end 31 and the rear end 32 are arranged in the shell 33, the rear end 32 is fixedly connected with the shell 33, the front end 31 is detachably and fixedly connected with the rear end 32, and the shell 33 is matched with the terminal fixing assembly 2.

The front end 31 is the male-female end-to-male electrical contact location of the connector.

The releasable securing connection includes a threaded connection, a pinned connection, a keyed connection, a snap connection, and the like.

The front end 31 is provided with a front end large accommodating cavity 312 and a front end small accommodating cavity 311, and the front end small accommodating cavity 311 is communicated with the front end large accommodating cavity 312.

The rear end 32 is provided with a mounting cavity 325, the rear end 32 is provided with a group of second through-liquid holes 324, the second through-liquid holes 324 are communicated with the mounting cavity 325, the rear end 32 is provided with a group of protrusions 323, the protrusions 323 are provided with spiral grooves 3231, the rear end 32 is provided with crimping holes 321, the rear end 32 is provided with a group of first through-liquid holes 322 corresponding to the crimping holes 321, and the first through-liquid holes 322 are communicated with the crimping holes 321.

The front end 31 is disposed within the mounting cavity 325.

The housing 33 is provided with a set of three liquid passing holes 331, and a set of three liquid passing holes 331 is matched with a set of through holes 21.

The rear end 32 is fixedly connected to the charging connector body assembly 1.

The number of the power receiving cannulas 6 is three, two are thin and one is thick.

The workflow of this embodiment is:

the quick replacement process comprises the following steps: the connector head set screw 5 is removed using a special tool. Removal may remove the quick change gun connector head assembly 4. The quick change terminal, i.e., front end 31, is replaced with a new quick change terminal. The quick-change gun connector head assembly 4 can be detached from the cover (e.g., the quick-change gun connector head assembly 4 can be detached and worn or can be replaced at the same time). The fixing screw 5 is locked to finish quick replacement.

In the cooling process, cooling liquid enters the shell 33 through the through hole 21 and the through hole III 331, enters the crimping hole 321 through the liquid hole I322 to cool the wire pressing part, enters the spiral groove 3231, flows along the spiral groove 3231 to absorb heat, enters the mounting cavity 325 through the liquid hole II 324, enters the front end large accommodating cavity 312 through the front end small accommodating cavity 311, and achieves integral cooling of the detachable quick-change terminal 3.

The above disclosure is only one specific embodiment of the present utility model, but the present utility model is not limited thereto, and any changes that can be thought by those skilled in the art should fall within the protection scope of the present utility model.

Claims

1. The utility model provides a liquid cooling rifle quick change structure that charges, includes charging connector main part subassembly (1), characterized by:

the terminal fixing assembly (2) is positioned on one side of the charging connector main body assembly (1), and the terminal fixing assembly (2) is fixedly connected with the charging connector main body assembly (1);

the detachable quick-change terminal (3) is arranged in the terminal fixing assembly (2), and the detachable quick-change terminal (3) is fixedly connected with the charging connector main body assembly (1);

a detachable quick-change gun connector head assembly (4), wherein the detachable quick-change gun connector head assembly (4) is positioned on one side of the charging connector main body assembly (1), and the detachable quick-change gun connector head assembly (4) is matched with the electric connector main body assembly (1);

the fixing screw (5) is used for realizing the fixed connection of the detachable quick-change gun connector head assembly (4) and the charging connector main body assembly (1);

the power connection insertion tube (6), the power connection insertion tube (6) is positioned at one side of the electric connector main body assembly (1), and the power connection insertion tube (6) is fixedly connected with the charging connector main body assembly (1);

the terminal fixing assembly (2), the detachable quick-change terminal (3) and the power connection insertion tube (6) are positioned in the region formed by the electric connector main body assembly (1) and the detachable quick-change gun connector head assembly (4).

2. The liquid-cooled charging gun quick-change structure according to claim 1, characterized in that: the utility model provides a can dismantle quick change rifle connector head subassembly (4) include holding ring (41), circular casing (42), oval casing (43), protecting crust (44), holding ring (41) fixed connection circular casing (42) reaches oval casing (43), circular casing (42) fixed connection oval casing (43), protecting crust (44) fixed connection holding ring (41), connect electric intubate (6) to set up in circular casing (42), terminal fixed subassembly (2) match protecting crust (44).

3. The liquid-cooled charging gun quick-change structure according to claim 2, characterized in that: the terminal fixing assembly (2) is provided with a group of evenly distributed through holes (21).

4. The liquid-cooled charging gun quick-change structure according to claim 3, characterized in that: the detachable quick-change terminal (3) comprises a front end (31), a rear end (32) and a shell (33), wherein the front end (31) and the rear end (32) are arranged in the shell (33), the rear end (32) is fixedly connected with the shell (33), the front end (31) is detachably and fixedly connected with the rear end (32), and the shell (33) is matched with the terminal fixing assembly (2).

5. The liquid-cooled charging gun quick-change structure according to claim 4, wherein: the front end (31) is provided with a front end large accommodating cavity (312) and a front end small accommodating cavity (311), and the front end small accommodating cavity (311) is communicated with the front end large accommodating cavity (312).

6. The liquid-cooled charging gun quick-change structure according to claim 5, wherein: the utility model discloses a pressure welding device, including installation cavity (325), rear end (32), back end (32) are provided with a set of through-hole two (324), through-hole two (324) intercommunication installation cavity (325), a set of arch (323) are established to rear end (32), arch (323) are provided with helical groove (3231), rear end (32) are provided with crimping hole (321), rear end (32) correspond crimping hole (321) are provided with a set of through-hole one (322), through-hole one (322) intercommunication crimping hole (321).

7. The liquid-cooled charging gun quick-change structure according to claim 6, wherein: the front end (31) is disposed within the mounting cavity (325).

8. The liquid-cooled charging gun quick-change structure according to claim 6, wherein: the housing (33) is provided with a group of three through holes (331), and one group of three through holes (331) is matched with one group of through holes (21).

9. The liquid-cooled charging gun quick-change structure according to claim 4, wherein: the rear end (32) is fixedly connected with the charging connector main body assembly (1).

10. The liquid-cooled charging gun quick-change structure according to claim 1, characterized in that: the number of the power receiving insertion tubes (6) is three, two are thin and one is thick.