CN217468867U

CN217468867U - Locking structure and high-voltage connector with same

Info

Publication number: CN217468867U
Application number: CN202221561636.XU
Authority: CN
Inventors: 杜涛
Original assignee: Hexing Automotive Electronics Taicang Co ltd
Current assignee: Hexing Automotive Electronics Taicang Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2022-09-20
Anticipated expiration: 2032-06-21

Abstract

The utility model relates to a battery package technical field among the electric automobile, concretely relates to locking structure and have its high-pressure connector structure. A locking structure, comprising: the main part has first support arm and second support arm, first support arm has and is suitable for the first hasp fixed with the casing, be equipped with high-voltage signal terminal on the second support arm, high-voltage signal terminal is suitable for and is connected with the signal contact electricity in the public end shell. The utility model provides a high-pressure signal terminal makes the more stable locking structure of high-pressure interlocking function and has its high-pressure connector with locking structure integrated into one piece.

Description

Locking structure and high-voltage connector with same

Technical Field

The utility model relates to a battery package technical field among the electric automobile, concretely relates to locking structure and have its high-pressure connector.

Background

At present, more and more new energy automobiles enter our lives, no matter extended range electric automobiles, hybrid electric automobiles, fuel cell electric automobiles, hydrogen engine automobiles, pure electric automobiles or other new energy automobiles and the like need a large number of connectors, and the electric automobiles are different from traditional fuel automobiles in that the electric automobiles often have higher voltage and current platforms, so that the new energy automobiles often have a large number of high-voltage connectors.

High voltage connectors currently on the market are generally applied in a current-voltage environment of at least 60 amps, 750V, but in the transition range between high and low voltage connectors, there are no connectors that can be fitted; the high-voltage connector often has the main characteristics of an electromagnetic shielding structure, high-voltage interlocking, sealing and the like, but the electromagnetic shielding is often not needed for the medium-frequency connector if no special needs exist.

The prior novel CPA device and the connector assembly with the same have a pause lock position and a final lock position, so that when the CPA is pulled out, a low-voltage signal terminal is disconnected firstly and then a high-voltage power supply terminal is disconnected, a high-voltage interlocking function is realized, but the CPA device and the high-voltage interlocking are mutually independent, before the CPA is assembled in place, the high-voltage interlocking is conducted, a control system cannot judge whether the CPA is installed in place or not, manual identification is needed, and the risk of loosing and falling off is caused by independent installation.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming among the prior art CPA and high-pressure interlocking mutually independent make CPA have the pine to take off possible defect to a high-voltage signal terminal and locking structure integrated into one piece make the more stable locking structure of high-pressure interlocking function and have its high-pressure connector are provided.

In order to solve the technical problem, the utility model provides a locking structure, include:

the main part has first support arm and second support arm, first support arm has and is suitable for the first hasp fixed with the casing, be equipped with high-voltage signal terminal on the second support arm, high-voltage signal terminal is suitable for and is connected with the signal contact electricity in the public end shell, high-voltage signal terminal with second support arm integrated into one piece.

Optionally, one end of the first support arm is bent towards a direction away from the second support arm, and the first lock is arranged at the bent end.

Optionally, one end of the second support arm, which is far away from the signal contact element, is further provided with a first sealing groove, and a first sealing ring is fixed in the first sealing groove.

Optionally, a pair of third latches is oppositely arranged on the first support arm, and each third latch has a first inclined surface for guiding sliding when being fixed with the housing and a limiting surface fixed with the housing.

Still provide a high-pressure connector, include the locking structure, still include casing, hole seat public end shell and female end shell, the casing is pegged graft fixedly with the locking structure, and passes through the hole seat with public end shell and female end shell are connected.

Optionally, a cantilever arranged at an included angle with the plugging direction and a locking block arranged far away from the cantilever are arranged on the shell, when the male end shell moves towards the shell, the locking block is clamped and fixed with a boss on the male end shell, and the first lock catch is abutted against the boss to realize a first locking state; when the locking structure moves towards the shell, the first lock catch slides over the boss, is locked with the locking block and forms limit with the boss so as to realize a second locking state.

Optionally, at least one protrusion is further disposed at a position of the first support arm corresponding to the cantilever.

Still provide a high pressure connector, include the locking structure, still include casing, hole seat public end shell and female end shell, the casing is pegged graft fixedly with the locking structure, and passes through the hole seat with public end shell and female end shell are connected, still be equipped with a pair of second hasp of relative setting on the casing, the second hasp with third hasp looks adaptation, just the second hasp has the guide the second inclined plane that the third hasp slided, the third hasp is sliding behind the second inclined plane with the second hasp is fixed.

Optionally, a through hole allowing the high-voltage signal terminal to penetrate through is arranged in the hole seat.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a locking structure, main part have first support arm and second support arm, are equipped with the high-voltage signal terminal on the second support arm, and the high-voltage signal terminal is connected with the signal contact piece electricity in the public end shell, are equipped with the high-voltage signal terminal on the locking structure, put through the high-voltage signal terminal when pegging graft the locking structure, make things convenient for control system to judge whether the locking structure is installed in place, make the high-pressure interlocking function more stable; high-voltage signal terminal and second support arm integrated into one piece, high-pressure interlocking and locking structure integrated into one piece have promptly prevented that locking structure from taking place the pine and taking off.

2. The utility model provides a locking structure, the one end that signal contact spare was kept away from to the second support arm are equipped with first seal groove, and first seal groove internal fixation has first sealing washer, guarantees that the electricity is connected more stably.

3. The utility model provides a locking structure is equipped with the cantilever that becomes the contained angle setting with the grafting direction on the casing, can drive the locking piece during cantilever atress and remove for the boss is easily extracted, simple structure facilitates the use.

4. The utility model provides a locking structure, first support arm still are equipped with at least one lug with the position that the cantilever corresponds, can prevent whole casing because of the too big emergence fracture of pressurized with the lug butt when the cantilever pressurized.

5. The utility model provides a locking structure is equipped with a pair of second hasp of relative setting on the casing, a pair of third hasp looks adaptation on second hasp and the first support arm, but third hasp slip second hasp in order to realize the fixed of locking structure and casing, but and relative movement guarantees that the locking structure does not deviate from the casing.

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 embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of a high voltage connector;

FIG. 2 is a schematic view of the housing;

FIG. 3 is a schematic structural view of a male housing;

FIG. 4 is a schematic structural view of a locking structure;

FIG. 5 is a schematic structural view of a socket;

FIG. 6 is a cross-sectional view of the high-voltage connector;

fig. 7 is a cross-sectional view of the housing coupled to the female end housing.

Description of reference numerals:

1. a female end housing; 2. A locking structure; 3. A housing; 4. A male end housing; 5. A cantilever;

6. a locking block; 7. A boss; 8. A bump; 9. A first support arm; 10. A first lock catch;

11. a high-voltage signal terminal; 12. A third lock catch; 13. A hole seat; 14. An operating arm;

15. a first seal groove; 16. A second lock catch; 17. A chute; 18. A slide block.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

Fig. 4 shows a specific embodiment of a locking structure, which includes a main body, the main body has a first arm 9 and a second arm arranged up and down, and an operating arm 14 connecting the first arm 9 and the second arm, one end of the first arm 9 is bent towards the direction of the second arm, the first arm 9 has a first lock catch 10 adapted to be fixed with the housing 3, the first lock catch 10 is arranged at the bent end, a pair of third lock catches 12 are also oppositely arranged on two sides of the first arm 9, the third lock catches 12 have a first inclined surface for guiding sliding when being fixed with the housing 3 and a limiting surface fixed with the housing 3; be equipped with high-voltage signal terminal 11 on the second support arm, high-voltage signal terminal 11 and second support arm integrated into one piece, when public end shell 4 is connected with locking structure 2, high-voltage signal terminal 11 is connected with the signal contact electricity in public end shell 4 for control system can in time record locking structure 2 and install in place. The junction of second support arm and operation arm 14 still is equipped with first seal groove 15, first seal groove 15 internal fixation has first sealing washer.

The high-voltage connector comprises the locking structure, and further comprises a shell 3, a hole seat 13, a male end shell 4 and a female end shell 1, as shown in fig. 1. The housing 3 is fixed to the locking structure 2 in an inserting manner, and is connected to the male end housing 4 and the female end housing 1 through a hole seat 13, as shown in fig. 5, a through hole allowing the high-voltage signal terminal 11 to pass through is formed in the hole seat 13. Specifically, as shown in fig. 2 and 3, a cantilever 5 arranged at an included angle with the plugging direction and a lock block 6 arranged far away from the cantilever 5 are arranged on the housing 3, the cantilever 5 is fixed to the housing 3 at a position close to the middle, two ends of the cantilever are free ends, and one end of the cantilever tilts towards a direction far away from the housing 3, when the male housing 4 moves towards the housing 3, the lock block 6 is clamped and fixed with a boss 7 on the male housing 4, the boss 7 is provided with a third inclined surface for guiding sliding when being fixed with the lock block 6 and a limiting surface fixed with the lock block 6, the first lock buckle 10 is abutted against the boss 7, a first locking state is realized, at this time, the power terminal is communicated with a wiring terminal in the male housing 4, and the housing 3 is fixedly connected with the male housing 4; when the locking structure 2 moves towards the shell 3, the first lock catch 10 slides over the boss 7, is locked with the lock block 6 and forms a limit with the boss 7, the first lock catch 10 is provided with a fourth inclined surface for guiding sliding when being fixed with the shell 3 and a limit surface fixed with the shell 3, a second locking state is realized, at the moment, the high-voltage signal terminal 11 is electrically connected with a signal contact element in the male shell 4, and a signal loop is connected. As shown in fig. 7, an annular sliding block 18 is disposed at one end of the female housing 1 close to the housing 3, an annular sliding slot 17 is disposed at one end of the hole seat 13 close to the female housing 1, the female housing 1 slides into the sliding slot 17 through the sliding block 18 to be fixed with the hole seat 13, and the hole seat 13 is inserted and fixed in the housing 3, so that the housing 3 is connected with the female housing 1. The first arm 9 is further provided with two bumps 8 at positions corresponding to the cantilevers 5, and when the cantilevers 5 are pressed, the two bumps 8 are abutted to prevent the shell 3 from being broken.

As shown in fig. 6, a pair of second latches 16 is further disposed on the housing 3, the second latches 16 are adapted to the third latches 12, and the second latches 16 have second inclined surfaces for guiding the third latches 12 to slide, and the first inclined surfaces of the third latches 12 and the second inclined surfaces of the second latches 16 are guided by each other, so that the second latches 16 and the third latches 12 are locked and fixed.

The locking structure 2 is moved towards the cantilever 5 by using the operating arm 14, the first lock catch 10 slides over the lock block 6 to be separated from the shell 3, the first lock catch 10 is provided with a fifth inclined surface which guides sliding when being separated from the lock block 6, the fifth inclined surface is opposite to the fourth inclined surface, and the high-voltage signal circuit is disconnected at the moment; cantilever 5 is pressed, drives the perk of locking piece 6, and public end shell 4 moves towards the direction of keeping away from casing 3, and power terminal disconnection this moment.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. 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. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A locking structure, comprising:

the main part has first support arm (9) and second support arm, first support arm (9) have be suitable for with casing (3) fixed first hasp (10), be equipped with high-voltage signal terminal (11) on the second support arm, high-voltage signal terminal (11) are suitable for and are connected with the signal contact electricity in public end shell (4), high-voltage signal terminal (11) with second support arm integrated into one piece.

2. The locking structure of claim 1, wherein one end of the first arm (9) is bent away from the second arm, and the first lock catch (10) is disposed at the bent end.

3. The latching structure according to claim 1 or 2, wherein a first sealing groove (15) is further formed at an end of the second arm away from the signal contact member, and a first sealing ring is fixed in the first sealing groove (15).

4. The locking structure of claim 1 or 2, wherein a pair of third locking catches (12) are oppositely arranged on the first support arm (9), and the third locking catches (12) are provided with a first inclined surface for guiding sliding when being fixed with the shell (3) and a limiting surface fixed with the shell (3).

5. A high-voltage connector, comprising the locking structure of any one of claims 1 to 3, and further comprising the housing (3), a hole seat (13), the male end housing (4) and the female end housing (1), wherein the housing (3) is fixed to the locking structure (2) in an inserting manner, and is connected to the male end housing (4) and the female end housing (1) through the hole seat (13).

6. The high-voltage connector according to claim 5, wherein a cantilever (5) arranged at an included angle with the plugging direction and a locking block (6) arranged far away from the cantilever (5) are arranged on the housing (3), when the male end housing (4) moves towards the housing (3), the locking block (6) is clamped and fixed with a boss (7) on the male end housing (4), and the first lock catch (10) is abutted against the boss (7) to realize a first locking state; when the locking structure (2) moves towards the shell (3), the first lock catch (10) slides through the boss (7), is locked with the locking block (6), and forms a limit position with the boss (7) to realize a second locking state.

7. The high-voltage connector as claimed in claim 6, characterized in that the first leg (9) is provided with at least one projection (8) at a location corresponding to the cantilever arm (5).

8. A high-voltage connector, characterized by comprising the locking structure of claim 4, and further comprising the housing (3), a hole seat (13), the male end housing (4) and the female end housing (1), wherein the housing (3) is fixed to the locking structure (2) in an inserted manner, and is connected to the male end housing (4) and the female end housing (1) through the hole seat (13), the housing (3) is further provided with a pair of second latches (16) which are oppositely arranged, the second latches (16) are adapted to the third latches (12), the second latches (16) have second inclined surfaces for guiding the third latches (12) to slide through, and the third latches (12) are fixed to the second latches (16) after sliding through the second inclined surfaces.

9. The high-voltage connector as claimed in claim 8, characterized in that a through hole is provided in the bore seat (13) for allowing the high-voltage signal terminal (11) to pass through.