阅读说明：本技术 一种三次锁高压连接器 (High-voltage connector with three-time lock ) 是由 李京乐 陈克清 胡翔凯 于 2020-06-24 设计创作，主要内容包括：本发明公开了一种三次锁高压连接器,包括公端、壳体、第一锁舌、第二锁舌和撬板；锁定时,公端通过第一锁舌与壳体卡接,通过第一锁定部锁定第二锁舌,同时利用第一锁舌上的锁定块与撬板上的锁定槽配合,完撬板的锁定；解锁时,通过第二锁舌解锁,实现第二挂扣位与第二锁定部解锁,同时撬板与第一锁舌解锁,而后利用撬板将公端与第一锁舌解锁；通过分布解锁的方式,有效避免连接器连接不稳定以及误操作的问题；降低了连接器的成本；无需手动二次锁定,使连接器更便于安装,提高生产装配效率。通过撬板撬动的方式实现第二所锁舌与公端接触卡接的方式,并且在锁定时,利用锁定块与锁定槽使得撬板与壳体顶部平面齐平,避免误操作的发生。(The invention discloses a high-voltage connector of a tertiary lock, which comprises a male end, a shell, a first lock tongue, a second lock tongue and a prying plate, wherein the shell is provided with a first opening and a second opening; when the lock is locked, the male end is clamped with the shell through the first lock tongue, the second lock tongue is locked through the first locking part, and meanwhile, the locking block on the first lock tongue is matched with the locking groove on the prying plate to complete the locking of the prying plate; during unlocking, the second lock tongue is used for unlocking, the second buckle position and the second locking part are unlocked, the prying plate and the first lock tongue are unlocked simultaneously, and then the prying plate is used for unlocking the male end and the first lock tongue; by means of distributed unlocking, the problems of unstable connection and misoperation of the connector are effectively avoided; the cost of the connector is reduced; need not manual secondary locking, make the connector more be convenient for install, improve production assembly efficiency. The mode that the mode of prizing through the sled board realizes the second and meets the mode of public end contact joint to when the locking, utilize locking piece and locking groove to make sled board and casing top plane flush, avoid the emergence of maloperation.)

1. A high-voltage connector of a triple lock is characterized by comprising a male end, a shell, a first lock tongue, a second lock tongue and a pry plate, wherein,

the shell comprises a male end connecting part and a rear end connecting part, the male end connecting part is provided with a cavity with two open ends, the front end of the rear end connecting part is positioned in the cavity, the rear end of the rear end connecting part is positioned outside the cavity, the outer wall of the rear end connecting part is connected with one end of the male end connecting part, side walls are convexly arranged on two sides of the top of the rear end connecting part to form an installation area, a first locking part of a tail cross frame at the top of each side wall is arranged, a second locking part capable of tilting is arranged at the front end of the installation area in an extending mode towards the rear end, and first pressing parts are arranged on two sides of the second locking part in a;

an assembly cavity is formed between the inner wall of the male end connecting part and the outer wall of the rear end connecting part, and the assembly part of the male end is received in the assembly cavity;

the first lock tongue is arranged in the mounting area in a sliding mode; a first hanging buckle position, a second hanging buckle position and a third hanging buckle position are sequentially arranged from the front end to the rear end of the first lock tongue, when the first lock tongue is locked, the first hanging buckle position is received in the assembly cavity and is clamped with the assembly part of the male end, and the second hanging buckle position is clamped with the second locking part;

the prying plate is rotatably arranged in the mounting area and is of a door-shaped structure, and prying parts for prying up the first lock tongue are symmetrically arranged on the inner walls of two sides of the prying plate; when the lock is assembled, the prying part is positioned below the first lock tongue;

the second lock tongue is arranged at the tail end of the installation area in a sliding mode, the second lock tongue comprises a lock tongue body, and a first warping plate and a second warping plate are arranged up and down, a first hanging buckle boss is arranged at the front end of the first warping plate, a second hanging buckle boss and a third hanging buckle boss are arranged on the second warping plate, a hanging buckle groove is formed between the second hanging buckle boss and the third hanging buckle boss, and when the lock is locked, the first locking portion is connected with the hanging buckle groove in a clamping mode; a second pressing part corresponding to the first pressing part is arranged on the second bolt, and the first pressing part is moved downwards by the second pressing part to drive the second locking part to be separated from the second hanging buckle position; when the lock is unlocked, the first hanging buckle boss is clamped with the third hanging buckle position.

2. A triple-lock high-voltage connector as claimed in claim 1, wherein a first locking block is provided on the first lock tongue and a locking groove is provided at a corresponding position of the pry plate, and the first locking block slides into the locking groove when locking.

3. The high-voltage connector of claim 1, wherein two sides of the bottom plate of the first lock tongue are provided with pushing blocks protruding downwards, and a space allowing the second locking part to pass through is formed between the two pushing blocks.

4. A triple-lock high-voltage connector as claimed in claim 1, wherein a first top block is protruded from the top of the first lock tongue, and a second top block is disposed at a corresponding position on the bottom of the pry plate, and when the male end is unlocked from the housing, the first top block and the second top block are overlapped.

5. A triple-lock high-voltage connector as claimed in claim 1, wherein a rotation hole is formed at the front end of the side wall, a rotation shaft is protruded from the outer wall of each of the two sides of the pry plate, and the rotation shaft is disposed in the rotation hole.

6. The high-voltage connector of a tertiary lock according to claim 1, wherein the bolt body comprises two first sliding blocks arranged in parallel and a tail plate connected with the first sliding blocks, and the first rocker and the second rocker are arranged on the tail plate; the inner wall of the side wall is symmetrically provided with first guide plates, and a first guide groove for guiding the first sliding block is formed at the top of the rear end connecting part.

7. The high-voltage connector of claim 6, wherein the inner wall of the side wall is further symmetrically provided with a second guide plate, a second guide groove for guiding the first lock tongue is formed between the second guide plate and the first guide plate, and second sliding blocks matched with the second guide groove are arranged on two sides of the first lock tongue.

8. A triple-lock high-voltage connector as claimed in claim 7, wherein the front ends of the first guide plate and the second guide plate are provided with a stopper for stopping the first latch tongue from moving to the front end.

9. The high-voltage connector with the triple lock according to claim 1, wherein the first pressing portion is of a semicircular structure, and the second pressing portion is of an inverted trapezoidal structure.

10. The high-voltage connector with the triple lock according to claim 1, further comprising a rear cover, wherein a clamping hole is formed in a side wall of the rear cover, a clamping table matched with the clamping hole is arranged on a rear side wall of the rear end connecting portion, and a notch is formed in the top of the rear cover.

Technical Field

The invention relates to the field of automobile high-voltage connectors, in particular to a high-voltage connector with a tertiary lock.

Background

At present, the plug-in of a new energy connector is more and more widely applied along with the popularization and the application of a new energy automobile, and the connector with an interlocking loop is usually required to be unlocked in two sections, namely, an interlocking terminal is disconnected firstly, and then the connector is completely pulled out. When realizing this function also guarantee the connector and connect stably, the unblock operation should not be too simple, may produce the maloperation and lead to vehicle trouble, takes place danger.

Disclosure of Invention

Aiming at overcoming the defects of the prior art, the invention discloses a high-voltage connector of a triple lock, which comprises a male end, a shell, a first lock tongue, a second lock tongue and a pry plate, wherein,

the shell comprises a male end connecting part and a rear end connecting part, the male end connecting part is provided with a cavity with two open ends, the front end of the rear end connecting part is positioned in the cavity, the rear end of the rear end connecting part is positioned outside the cavity, the outer wall of the rear end connecting part is connected with one end of the male end connecting part, side walls are convexly arranged on two sides of the top of the rear end connecting part to form an installation area, a first locking part of a tail cross frame at the top of each side wall is arranged, a second locking part capable of tilting is arranged at the front end of the installation area in an extending mode towards the rear end, and first pressing parts are arranged on two sides of the second locking part in a;

an assembly cavity is formed between the inner wall of the male end connecting part and the outer wall of the rear end connecting part, and the assembly part of the male end is received in the assembly cavity;

the first lock tongue is arranged in the mounting area in a sliding mode; a first hanging buckle position, a second hanging buckle position and a third hanging buckle position are sequentially arranged from the front end to the rear end of the first lock tongue, when the first lock tongue is locked, the first hanging buckle position is received in the assembly cavity and is clamped with the assembly part of the male end, and the second hanging buckle position is clamped with the second locking part;

the prying plate is rotatably arranged in the mounting area and is of a door-shaped structure, and prying parts for prying up the first lock tongue are symmetrically arranged on the inner walls of two sides of the prying plate; when the lock is assembled, the prying part is positioned below the first lock tongue;

the second lock tongue is arranged at the tail end of the installation area in a sliding mode, the second lock tongue comprises a lock tongue body, and a first warping plate and a second warping plate are arranged up and down, a first hanging buckle boss is arranged at the front end of the first warping plate, a second hanging buckle boss and a third hanging buckle boss are arranged on the second warping plate, a hanging buckle groove is formed between the second hanging buckle boss and the third hanging buckle boss, and when the lock is locked, the first locking portion is connected with the hanging buckle groove in a clamping mode; a second pressing part corresponding to the first pressing part is arranged on the second bolt, and the first pressing part is moved downwards by the second pressing part to drive the second locking part to be separated from the second hanging buckle position; when the lock is unlocked, the first hanging buckle boss is clamped with the third hanging buckle position.

Further, set up first locking piece on the first spring bolt to set up the locking groove in the corresponding position of sled board, during the locking, first locking piece slides in the locking inslot.

Furthermore, two sides of the bottom plate of the first lock tongue are provided with push blocks in a downward protruding mode, and a space allowing the second locking portion to pass through is formed between the two push blocks.

Further, the top of the first lock tongue is provided with a first ejector block in a protruding mode, a second ejector block is arranged at the corresponding position of the bottom of the prying plate, and when the male end is unlocked with the shell, the first ejector block and the second ejector block are overlapped together.

Furthermore, the front end of the side wall is provided with a rotating hole, the outer walls of the two sides of the prying plate are provided with rotating shafts in a protruding mode, and the rotating shafts are arranged in the rotating hole.

Furthermore, the lock tongue body comprises two first sliding blocks arranged in parallel and a tail plate connected with the first sliding blocks, and the first warping plate and the second warping plate are arranged on the tail plate; the inner wall of the side wall is symmetrically provided with first guide plates, and a first guide groove for guiding the first sliding block is formed at the top of the rear end connecting part.

Furthermore, the inner wall of the side wall is symmetrically provided with second guide plates, a second guide groove for guiding the first lock tongue is formed between the second guide plates, and second sliding blocks matched with the second guide groove are arranged on two sides of the first lock tongue.

Further, the front ends of the first guide plate and the second guide plate are provided with a stop block for stopping the first lock tongue from moving towards the front end.

Furthermore, the first pressing portion is of a semicircular structure, and the second pressing portion is of an inverted trapezoidal structure.

Further, the novel LED lamp further comprises a rear cover, a clamping hole is formed in the side wall of the rear cover, a clamping table matched with the clamping hole is arranged on the side wall of the rear portion of the rear end connecting portion, and a notch is formed in the top of the rear cover.

The invention has the following beneficial effects:

the invention solves the problems of unstable connection and possible misoperation of the connector in a step-by-step multidirectional unlocking mode; the cost of the connector is reduced; need not manual secondary locking, make the connector more be convenient for install, improve production assembly efficiency. The mode that the mode of prizing through the sled board realizes the second and meets the mode of public end contact joint to when the locking, utilize locking piece and locking groove to make sled board and casing top plane flush, avoid the emergence of maloperation.

Drawings

FIG. 1 is an exploded view of a triple lock high pressure connector of the present invention;

fig. 2 is a schematic perspective view of a housing of a triple-lock high-voltage connector according to the present invention;

fig. 3 is a schematic perspective view of a first lock tongue of the triple-lock high-voltage connector according to the present invention;

FIG. 4 is a perspective view of FIG. 3 from another perspective;

FIG. 5 is a schematic perspective view of a pry plate of a triple-lock high-voltage connector according to the invention;

FIG. 6 is a perspective view of FIG. 5 from another perspective;

fig. 7 is a schematic perspective view of a second bolt of the triple-lock high-voltage connector according to the present invention;

FIG. 8 is a schematic perspective view of a rear cover of a triple-lock high-voltage connector according to the present invention;

FIG. 9 is a schematic perspective view of a male end of a triple-lock high-voltage connector according to the present invention;

FIG. 10 is a schematic diagram of the internal structure of a high-voltage connector with a triple lock according to the present invention in a normal connection state;

11, 12, 13, 14, 15 are schematic diagrams illustrating an unlocking process of a triple-lock high-voltage connector according to the present invention;

FIGS. 16, 17 and 18 are schematic views illustrating the process of assembling the male end and the housing of the triple-lock high-voltage connector according to the present invention;

the reference numbers are as follows:

1. male end, 2, shell, 3, first bolt, 4, second bolt, 5, pry plate, 8, back cover, 11, assembly part, 12, lock block, 13, anti-dislocation rib, 21, male end connecting part, 22, back end connecting part, 23, side wall, 24, first locking part, 25, second locking part, 26, first pressing part, 27, assembly cavity, 28, rotating hole, 29, first guide plate, 31, first buckle position, 32, second buckle position, 33, third buckle position, 34, first locking block, 35, push block, 36, first top block, 37, second slide block, 41, bolt body, 42, first rocker, 43, second rocker, 44, first buckle boss, 45, second buckle boss, 46, third buckle boss, 47, buckle groove, 48, first slide block, 49, tail plate, 51, rotating shaft, 52, moving part, 53, locking groove, 54, second buckle boss, 61, second buckle boss, 54, locking groove, and locking groove, The first guide groove 62, the second guide plate 63, the second guide groove 64, the baffle plate 65, the clamping table 71, the second pressing part 81, the clamping hole 82 and the notch.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

A high-voltage connector of a triple lock is shown in figure 1 and comprises a male end 1, a shell 2, a first lock tongue 3, a second lock tongue 4 and a pry plate 5, wherein,

as shown in fig. 1, 2 and 10, the housing 2 includes a male end connecting portion 21 and a rear end connecting portion 22, the male end connecting portion 21 has a cavity with two open ends, the front end of the rear end connecting portion 22 is located in the cavity, the rear end is located outside the cavity, the outer wall of the rear end connecting portion 22 is connected with one end of the male end connecting portion, side walls 23 are convexly disposed on two sides of the top of the rear end connecting portion 22, an installation region for installing the first lock tongue 3, the second lock tongue 4 and the pry plate 5 is formed between the two side walls 23, a tail cross frame first locking portion 24 is disposed on the top of the side walls 23, a second locking portion 25 capable of tilting is disposed at the front end of the installation region in an extending manner toward the rear end, and first pressing portions 26 are protruding; a fitting cavity 27 is formed between the inner wall of the male end connecting part 21 and the outer wall of the rear end connecting part 22, and the fitting part 11 of the male end 1 is received in the fitting cavity 27;

as shown in fig. 1, 3, 4 and 10, the first latch 3 is slidably disposed in the mounting region; a first hanging buckle position 31, a second hanging buckle position 32 and a third hanging buckle position 33 are sequentially arranged from the front end to the rear end of the first lock tongue 3, when the first hanging buckle position 31 is locked, the first hanging buckle position 31 is received in the assembly cavity 27 and is clamped with the assembly part of the male end 1, and the second hanging buckle position 32 is clamped with the second locking part 25; the male end 1 is connected to the housing 2 by means of a first latch 3.

As shown in fig. 1-, 2, 5, 6 and 10, the pry plate 5 is in a "door" shape, the outer walls of the two sides of the pry plate 5 are convexly provided with rotating shafts 51 towards the two sides, and the side wall 23 of the installation area is provided with rotating holes 28; during installation, the rotating shaft 51 is clamped into the rotating hole 28 by utilizing the deformation of the prying plate 5, so that the prying plate 5 is rotatably connected with the installation area. The prying parts 52 are arranged on the inner walls of the two sides of the prying plate 5 in a protruding mode, and when the prying parts 52 are assembled, the prying parts 52 are located below the first lock tongues 3; during unlocking, the pry plate 5 is pulled upwards, the front end of the first lock tongue 3 is tilted by the prying part 52, and the first buckling position 31 is further unlocked from the assembling part 11 of the male end 1.

As shown in fig. 1-2, 7 and 10, the second lock tongue 4 includes a lock tongue body 41, and a first rocker 42 and a second rocker 43 which are arranged up and down, a first buckle boss 44 is arranged at the front end of the first rocker 42, and when the second lock tongue is in the middle unlocking process, the first buckle boss 44 is clamped with the third buckle position 33. Set up the second on the second wane 43 and hang knot boss 45 and the third and hang knot boss 46 to form between second string knot boss 45 and the third string knot boss 46 and hang knot recess 47, when the locking, first locking portion 24 prevents second spring bolt 4 horizontal migration with hanging knot recess 47 joint. The lock tongue body 41 includes two first sliders 48 arranged in parallel and a tail plate 49 connected with the first sliders 48, the first rocker 42 and the second rocker 43 are arranged on the tail plate 49, the inner wall of the side wall 23 of the installation area is symmetrically provided with the first guide plate 29, the first guide plate 29 and the top of the rear end connecting portion 22 form a first guide groove 61 for guiding the first slider 48, the first slider 48 is arranged in the first guide groove 61, and the sliding connection between the second lock tongue 4 and the rear end connecting portion 22 is realized. The inner side of the first sliding block 48 of the second lock tongue 4 is convexly provided with a second pressing portion 71, the second pressing portion 71 corresponds to the first pressing portion 26, when the lock is unlocked, the third hanging buckle boss 46 of the second lock tongue 4 is pressed, the first locking portion 24 is unlocked with the hanging buckle groove 47, and therefore horizontal sliding of the second lock tongue 4 is achieved, when the lock moves towards the rear end, the second pressing portion 71 is contacted with the first pressing portion 26, the first pressing portion 26 is pressed downwards through the second pressing portion 71, the second locking portion 25 is unlocked with the second hanging buckle position 32, when the male end 1 is pulled, the first lock tongue 3 can be driven to move synchronously until the first hanging buckle boss 44 is clamped with the third hanging buckle position 33, and meanwhile, the first locking portion 24 is clamped with the hanging buckle groove 47 again.

In an embodiment, as shown in fig. 3-6, the first locking block 34 is disposed on the first lock tongue 3, and the locking groove 53 is disposed at a corresponding position of the pry plate 5, when locking, the first locking block 34 slides into the locking groove 53, so as to prevent the pry plate 5 from being pried by a misoperation, and further tilt the first lock tongue 3, so that the first hooking position 32 is separated from the assembling portion 11 of the male end 1. In order to improve the reliability of the locking, the first locking blocks 34 are symmetrically disposed on both sides of the first locking tongue 3, and the locking grooves 53 are disposed on the inner walls of both sides of the pry plate 5.

In one embodiment, as shown in fig. 1 to 4 and 10, two sides of the bottom plate of the first bolt 3 are provided with pushing blocks 35 protruding downward, and a space allowing the second locking portion 25 to pass is formed between the two pushing blocks 35. When the male end 1 is inserted, and the first hooking position 31 is engaged with the assembling portion 11, the assembling portion 11 contacts with the pushing block 35, and further the first locking tongue 3 is pushed to move towards the rear end of the housing 2, so that the second locking portion 25 is engaged with the second hooking position 32. In order to ensure that the second locking part 25 and the second hooking position 32 can be clamped smoothly when the male end 1 is inserted, the front end of the second locking part 25 is provided with an oblique angle.

In an embodiment, as shown in fig. 1 to 10, a first top block 36 is convexly disposed at the top of the first lock tongue 3, and a second top block 54 is disposed at a corresponding position at the bottom of the pry plate 5, when the male end 1 is unlocked from the housing 2, the male end 1 is pulled out and simultaneously drives the first lock tongue 3 to move horizontally, and the first top block 36 drives the second top block 54 to tilt the pry plate 5 upwards, so that a worker can conveniently rotate the pry plate 5 continuously to tilt the first lock tongue 3.

In an embodiment, as shown in fig. 1-2, 7 and 10, the inner wall of the side wall 23 is further symmetrically provided with a second guide plate 62 and a second guide groove 63 formed between the first guide plate 29 and the second guide plate 62 for guiding the first latch tongue 3, and second sliders 37 matched with the second guide groove 63 are provided on both sides of the first latch tongue 3; so that the first locking tongue 3 moves horizontally in the direction guided by the second guide groove 63. Preferably, the front ends of the first guide plate 29 and the second guide plate 62 are provided with a stopper 64 for stopping the forward movement of the first latch 3; when the first buckle boss 44 is prevented from accidentally separating from the third buckle position 33, the stopper 64 is used to block the first bolt 3 from moving forward.

In one embodiment, as shown in fig. 1 to 10, the first pressing portion 26 has a semicircular structure, and the second pressing portion 71 has an inverted trapezoidal structure. The front end and the rear end of the second pressing part 71 are provided with oblique angles and matched with the arc-shaped first pressing part 26, and the first pressing part 26 and the second pressing part are matched with each other, so that the first pressing part 26 can conveniently move downwards along the force, and the second locking part 25 and the second buckle position 32 can be unlocked.

In one embodiment, as shown in fig. 2 and 8, the rear cover 8 is further included, a side wall of the rear cover 8 is provided with a clamping hole 81, a rear side wall of the rear end connecting portion 22 is provided with a clamping platform 65 matched with the clamping hole 81, and a top of the rear cover 8 is provided with a notch 82; the recess 82 serves to limit the extent to which the second locking tongue 4 can move towards the rear end.

In one embodiment, as shown in fig. 2, 7 and 10, the front end of the first top block 36 and the rear end of the second top block 54 are both beveled; when the lock is unlocked, the first lock tongue 3 is pulled out towards the front end, and through the matching of the oblique angles, the first ejector block 36 enables the second ejector block 53 to be superposed on the first ejector block 36 more easily, so that the pry plate 5 tilts, and the worker can conveniently continue to rotate the pry plate 5.

In one embodiment, as shown in fig. 7, the front ends of the first hanging-fastening boss 44 and the second hanging-fastening boss 45 are provided with an oblique angle to facilitate the assembly of the second lock tongue 4.

In one embodiment, as shown in fig. 2, the first locking portion 24 is in an H-shaped structure, and the second hanging-buckling boss 45 and the third hanging-buckling boss 46 are accommodated by the notches at the front end and the rear end of the first locking portion 24, so as to prevent misoperation of an operator; meanwhile, the first locking portion 24 spans the side wall, thereby enhancing the strength of the installation region.

In an embodiment, as shown in fig. 3-4 and 7, the height of the tail of the third hooking position 33 is matched with the distance between the first and second tilting plates 42 and 43, and when the male end 1 and the housing 2 are in the unlocking state, the tail of the third hooking position 33 is located below the third hooking boss 46 to prop against the third hooking boss 46, so that the third hooking boss 46 cannot be pressed down, and the first locking portion 24 is further ensured to be clamped with the hooking recess 47.

The front ends of the first and second rockers 42 and 43, and at this time, the second rocker 43 cannot be pressed.

As shown in fig. 9-10, a locking block 12 is disposed on the top of the assembling portion 11 of the male end 1, and when locked, the locking block 12 is engaged with the first hooking location 31. Preferably, one side of the locking piece 12 is provided with a second assembling bevel angle, so that the locking piece 12 is conveniently clamped with the first hanging buckle position 31 during assembling.

As shown in fig. 9 to 10, the fitting portion 11 of the male terminal 1 is provided with an error preventing rib 13, and correspondingly, an error preventing groove (not shown) is provided on the inner wall of the male terminal connecting portion 21, and the male terminal 1 and the connector housing 2 can be connected only after the error preventing rib 13 corresponds to the error preventing groove.

The assembling process of the high-voltage connector with the three-time lock comprises the following steps: as shown in figure 1 of the drawings, in which,

and S1, the rotating shaft 51 of the pry plate 5 is clamped into the rotating hole 28, so that the pry plate 5 and the shell 2 are rotatably connected.

S2, and then the first locking tongue 3 is fitted so that the first slider 37 is fitted into the first guide groove 61 and the second catch site 32 is caught by the second locking portion 25 with the first locking piece 34 in the locking groove 53.

S3, and then the second bolt 4 is installed, the second slide block 28 is placed in the second guide groove 63, and the first locking part 24 is clamped with the hanging buckle groove 47.

S4, mounting the rear cover 8 at the tail end of the shell 2, so that the clamping hole 81 is clamped with the clamping table 65 to complete the mounting of the shell part; when the male end is connected with the shell 2 for the first time, the male end 1 is received into the assembly cavity 27, and in the insertion process, the locking block 12 guides the first locking tongue 3 to tilt until the locking block 12 is clamped with the first buckle position 31, so that assembly is completed. The state shown in fig. 10 is reached.

The unlocking process of the three-time locking high-voltage connector is as follows:

s1, pressing the second rocker 43 of the second latch bolt in the direction of arrow a in fig. 11 to separate the first locking portion 24 from the latching recess 47, then pushing the second latch bolt 4 in the direction of arrow B to move, so that the second pressing portion 71 presses the first pressing portion 26 downward in the direction of arrow C to make the second locking portion 25 contact and engage with the second latching position 32, and then pulling out the male end 1 in the direction of arrow D while driving the first latch bolt to move horizontally, and reaching the position shown in fig. 12.

S2, pulling the male terminal 1 out in the arrow direction in fig. 12, the first top block 36 of the first latch 3 drives the second top block 54 to move upward, so that the pry plate 5 protrudes upward; meanwhile, the third latch position 33 is connected with the first latch boss 44 in a clamping manner, and then the first lock tongue 3 and the second lock tongue 4 move towards the front end at the same time until the first locking part 24 is connected with the latch groove 47 in a clamping manner again. At the same time, the pry plate 5 is tilted up to reach the position shown in fig. 13.

S3, the worker continuously pulls the pry plate 5 in the direction of arrow a in fig. 14, and the pry plate 5 is used to tilt the front end of the first lock tongue 3 in the opposite direction of arrow B. The male end 1 is then pulled out further in the direction of arrow C.

And S4, when the male end 1 is pulled out, the worker loosens the pry plate 5, the second ejector block 54 is overlapped on the first ejector block 36, and the first lock tongue 3 is restored to the horizontal state. As shown in the state of fig. 15.

The assembling process of the male end and the shell of the three-time lock high-voltage connector comprises the following steps:

s1, when the male end 1 is pulled out, the male end 1 is inserted into the housing 2 along the arrow until the end of the fitting body 11 contacts the push block 35 as shown in fig. 16. The state shown in fig. 17 is reached.

S2, as shown in fig. 17, at this time, the first ejector block 36 and the second ejector block 54 are still overlapped, the pry plate 5 cannot be reset, and the male end 1 is pushed to be inserted continuously until the first ejector block 36 is separated from the second ejector block 54, and the pry plate 5 is reset.

S3, after the pry plate 5 is reset, the male terminal 1 is pushed to insert, so that the first lock block 34 slides into the lock slot 53, and the second lock portion 25 is engaged with the second latching position 32, and the position shown in fig. 18 is reached, and the assembly between the male terminal 1 and the housing 2 is completed.

The above are merely preferred embodiments of the present invention, and are not intended to limit the scope of the invention; it is intended that the following claims be interpreted as including all such alterations, modifications, and equivalents as fall within the true spirit and scope of the invention.