CN219917780U

CN219917780U - High-voltage connector capable of being locked secondarily

Info

Publication number: CN219917780U
Application number: CN202321276173.7U
Authority: CN
Inventors: 张胜豪
Original assignee: Nanjing Mengrui Automation Co ltd
Current assignee: Nanjing Mengrui Automation Co ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-10-27
Anticipated expiration: 2033-05-24

Abstract

The utility model discloses a high-voltage connector capable of being locked secondarily, which belongs to the technical field of high-voltage connectors and comprises a charging head and a connecting pile, wherein moving blocks are slidably connected to two opposite outer side walls of the charging head, a plurality of fixing holes which are arranged in parallel are formed in two opposite side walls of the charging head, limiting blocks are slidably connected to two opposite inner side walls of the charging head, a limiting mechanism is arranged between the moving blocks and the limiting blocks, the limiting mechanism comprises a limiting spring, a first fixing ring, a second fixing ring, a third fixing ring and a nylon rope, locking mechanisms are arranged on two opposite outer side walls of the connecting pile, and each locking mechanism comprises a moving plate, a reset spring and a fixing strip. According to the utility model, the movable block, the limiting groove and the nylon rope are arranged, so that the charging head can be automatically locked when being inserted into the connecting pile, and the limiting can be released when the movable block is pushed, so that the charging head is pulled out, and the problem that the high-voltage connector is easy to separate in a connection mode in the prior art is solved.

Description

High-voltage connector capable of being locked secondarily

Technical Field

The utility model relates to the technical field of high-voltage connectors, in particular to a high-voltage connector capable of being locked secondarily.

Background

The high-voltage connector is a connector with an alternating voltage of more than 1000V or a direct voltage of more than 1500V and is mainly used for whole vehicles, charging facilities and industrial equipment.

Along with the popularity of electric vehicles, the construction of vehicle charging piles in various cities is increased, and the high-voltage connector can connect the vehicle charging end with the charging piles; the connection mode of the high-voltage connector in the prior art is generally simple plugging, the automobile can be charged rapidly, and the high-voltage-resistant high-temperature-resistant insulating material fully wraps the charging electronic element, so that the self safety of a user is ensured; but the quick connection can also cause insufficient connection stability of the high-voltage connector, the high-voltage connector is easily separated due to the pulling of external force during charging, the charging is stopped, and the dropped high-voltage connector is damaged; accordingly, based on the above-mentioned problems, a secondary lockable high-voltage connector has been proposed.

Disclosure of Invention

The utility model aims to solve the problem that the high-voltage connector in the prior art is insufficient in connection stability and easy to fall off under the action of external force, and provides a high-voltage connector capable of being locked secondarily.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a but high-voltage connector of secondary locking, includes charging head and connecting pile, the equal sliding connection of two opposite lateral walls of charging head has the movable block, a plurality of parallel arrangement's fixed orifices have been seted up to the two opposite lateral walls of charging head, the equal sliding connection of two opposite inside walls of charging head has the stopper, be provided with stop gear between movable block and the stopper, stop gear includes stop spring, first solid fixed ring, second solid fixed ring, third solid fixed ring and nylon rope, two opposite lateral walls of connecting pile are provided with locking mechanical system, locking mechanical system includes movable plate, reset spring and fixed strip.

Preferably, the limit spring is symmetrically arranged, one end of the limit spring is fixedly connected with the inner side wall of the charging head, and the other end of the limit spring is fixedly connected with the outer side wall of the limit block.

Preferably, the first fixed ring is fixedly connected with the bottom surface of the moving block, the second fixed ring is fixedly connected with the outer side wall of the limiting block, and the third fixed ring is fixedly connected with the inner side wall of the charging head.

Preferably, one end of the nylon rope is fixedly connected with the first fixing ring, and the other end of the nylon rope is fixedly connected with the second fixing ring through the third fixing ring.

Preferably, one end of the moving plate is in sliding connection with the outer side wall of the connecting pile, and one end of the reset plate is in sliding connection with the moving plate.

Preferably, one end of the reset spring is fixedly connected with the movable plate, the other end of the reset spring is fixedly connected with the reset plate, and the fixing strip is fixedly connected with the reset plate.

Preferably, a limiting groove corresponding to the limiting block is formed in the outer side wall of the connecting pile, and the fixing strip is matched with the fixing hole.

Compared with the prior art, the utility model has the beneficial effects that:

1. through setting up movable block, stopper, spacing groove and nylon rope, can lock automatically when inserting the connector pile with the charging head and die, promote the movable block and then can release spacingly to extract the charging head, solve the comparatively simple problem that easily breaks away from of high voltage connector connected mode under the prior art.

2. Through setting up fixed orifices, movable plate, reset spring and fixed strip, when charging head and spliced pole insert and be connected, carry out secondary locking to the two, promote the movable block alone or external force promotes and can't release the locking this moment, only will two structures all release just can separate charging head and spliced pole, greatly increased high voltage connector's security and stability.

Drawings

Fig. 1 is a schematic perspective view of a secondary lockable high-voltage connector according to the present utility model;

fig. 2 is a schematic diagram of an assembly structure of a secondary-lockable high-voltage connector according to the present utility model;

fig. 3 is a schematic cross-sectional view of a charging head in a secondary-lockable high-voltage connector according to the present utility model;

fig. 4 is a schematic cross-sectional view of a connecting pile in a secondary lockable high-voltage connector according to the present utility model.

In the figure: 1. a charging head; 2. connecting piles; 3. a moving block; 4. a fixing hole; 5. a limiting block; 6. a limit spring; 7. a first fixing ring; 8. a second fixing ring; 9. a third fixing ring; 10. a limit groove; 11. a moving plate; 12. a reset plate; 13. a return spring; 14. a fixing strip; 15. nylon rope.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.

Example 1

Referring to fig. 1-2, a high-voltage connector capable of being locked secondarily comprises a charging head 1 and a connecting pile 2, wherein two opposite outer side walls of the charging head 1 are both connected with a movable block 3 in a sliding manner, a plurality of fixing holes 4 which are arranged in parallel are formed in two opposite side walls of the charging head 1, limiting blocks 5 are both connected with two opposite inner side walls of the charging head 1 in a sliding manner, a limiting mechanism is arranged between the movable block 3 and the limiting blocks 5, and the limiting mechanism comprises a limiting spring 6, a first fixing ring 7, a second fixing ring 8, a third fixing ring 9 and a nylon rope 15;

further, the limiting springs 6 are symmetrically arranged, one ends of the limiting springs 6 are fixedly connected with the inner side wall of the charging head 1, the other ends of the limiting springs 6 are fixedly connected with the outer side wall of the limiting block 5, the first fixing ring 7 is fixedly connected with the bottom surface of the moving block 3, the second fixing ring 8 is fixedly connected with the outer side wall of the limiting block 5, the third fixing ring 9 is fixedly connected with the inner side wall of the charging head 1, one ends of the nylon ropes 15 are fixedly connected with the first fixing ring 7, and the other ends of the nylon ropes 15 are fixedly connected with the second fixing ring 8 through the third fixing ring 9;

it should be noted that: one end of the charging head 1 is connected with an automobile, one end of the connecting pile 2 is connected with the charging pile, the charging head 1 is pushed to be inserted into the connecting pile 2, the limiting block 5 is compressed due to the slope surface of the limiting block 5 when contacting with the outer side wall of the connecting pile 2, the limiting block 5 moves upwards along with the slope surface, after the charging head 1 completely enters the connecting pile 2, a limiting groove 10 formed in the outer side wall of the connecting pile 2 corresponds to the limiting block 5, at the moment, the limiting block 5 loses collision so as to be clamped in the limiting groove 10 in a rebound manner along with the limiting spring 6, at the moment, the common pulling can not separate the charging head 1 from the connecting pile 2, only the moving block 3 is pushed and the charging head 1 is pulled out to one side at the same time, the first fixing ring 7 is driven to move by pushing the moving block 3, and the second fixing ring 8 is moved through the third fixing ring 9, and the second fixing ring 8 is fixedly connected with the limiting block 5, so that the limiting block 5 is pulled into the side wall of the charging head 1, and the limiting locking of the connecting pile 2 is relieved;

the adoption has the following further advantages: through setting up movable block 3, stopper 5, spacing groove 10 and nylon rope 15, can lock automatically when inserting connector pile 2 with charging head 1 and die, promote movable block 3 then can release spacingly to extract charging head 1, solve the comparatively simple problem that easily breaks away from of high voltage connector connected mode under the prior art.

Based on the second embodiment proposed in the first embodiment:

referring to fig. 2 to 4, the opposite outer side walls of the connecting pile 2 are provided with locking mechanisms comprising a moving plate 11, a reset plate 12, a reset spring 13 and a fixing strip 14;

further, one end of the moving plate 11 is slidably connected with the outer side wall of the connecting pile 2, one end of the reset plate 12 is slidably connected with the moving plate 11, one end of the reset spring 13 is fixedly connected with the moving plate 11, the other end of the reset spring 13 is fixedly connected with the reset plate 12, the fixed strip 14 is fixedly connected with the reset plate 12, the outer side wall of the connecting pile 2 is provided with a limiting groove 10 corresponding to the limiting block 5, and the fixed strip 14 is matched with the fixing hole 4;

it should be noted that: after the charging head 1 and the connecting pile 2 are inserted and connected, in order to prevent the limit block 5 from being damaged by strong external force, the charging head 1 is directly pulled out, the movable plate 11 is moved to push the charging head 1, the reset plate 12 is stretched, the fixing strip 14 is inserted into the corresponding fixing hole 4, at the moment, the fixing strip 14 is abutted against the limit block 5, so that the charging head 1 cannot move, the charging head 1 is connected with the connecting pile 2, and the charging head 1 cannot be separated by independently pushing the movable block 3 or independently moving the movable plate 11, so that the connection stability of the high-voltage connector is greatly improved;

the adoption has the following further advantages: through setting up fixed orifices 4, movable plate 11, reset plate 12, reset spring 13 and fixed strip 14, when charging head 1 and connecting pile 2 insert to be connected, carry out secondary locking to the two, promote movable block 3 alone or external force promotes and can't release the locking this moment, only will two structures all release just can separate charging head 1 and connecting pile 2, greatly increased high voltage connector's security and stability.

When the charging head is used, one end of the charging head 1 is connected with an automobile, one end of the connecting pile 2 is connected with the charging pile, the charging head 1 is pushed to be inserted into the connecting pile 2, the limiting block 5 is compressed due to the slope surface when contacting with the outer side wall of the connecting pile 2, the limiting block 5 moves upwards along with the slope surface, after the charging head 1 completely enters the connecting pile 2, a limiting groove 10 formed in the outer side wall of the connecting pile 2 corresponds to the limiting block 5, at the moment, the limiting block 5 loses interference so as to rebound and clamp the limiting spring 6 into the limiting groove 10, at the moment, the common pulling can not separate the charging head 1 from the connecting pile 2, only the moving block 3 is pushed and pulled out to one side at the same time, the moving block 3 is pushed to drive the first fixed ring 7 to move, the first fixed ring 7 moves the second fixed ring 8 through the third fixed ring 9, and the second fixed ring 8 is fixedly connected with the limiting block 5, so that the limiting block 5 is pulled into the side wall of the charging head 1, and the limiting block 2 are released;

after the charging head 1 is inserted and connected with the connecting pile 2, the charging head 1 is directly pulled out by the limiting block 5 to prevent the strong external force from damaging, the charging head 1 is pushed towards the charging head 1 by moving the moving plate 11, the reset plate 12 is stretched, the fixing strip 14 is inserted into the corresponding fixing hole 4, at the moment, the fixing strip 14 can be abutted against the limiting block 5 to enable the fixing strip to be unable to move, the charging head 1 at the moment is connected with the connecting pile 2, and the single pushing moving block 3 or the single moving plate 11 cannot separate the charging head from the connecting pile 2, so that the connection stability of the high-voltage connector is greatly improved.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims

1. The utility model provides a but high-voltage connector of secondary locking, includes charging head (1) and connecting pile (2), its characterized in that, the equal sliding connection of two opposite lateral walls of charging head (1) has movable block (3), a plurality of parallel arrangement's fixed orifices (4) have been seted up to the two opposite lateral walls of charging head (1), the equal sliding connection of two opposite inside walls of charging head (1) has stopper (5), be provided with stop gear between movable block (3) and stopper (5), stop gear includes spacing spring (6), first solid fixed ring (7), second solid fixed ring (8), third solid fixed ring (9) and nylon rope (15), two opposite lateral walls of connecting pile (2) are provided with locking mechanical system, locking mechanical system includes movable plate (11), reset plate (12), reset spring (13) and fixed strip (14).

2. The secondary locking high-voltage connector according to claim 1, wherein the limiting springs (6) are symmetrically arranged, one end of each limiting spring (6) is fixedly connected with the inner side wall of the charging head (1), and the other end of each limiting spring (6) is fixedly connected with the outer side wall of the limiting block (5).

3. The secondary locking high-voltage connector according to claim 1, wherein the first fixing ring (7) is fixedly connected with the bottom surface of the moving block (3), the second fixing ring (8) is fixedly connected with the outer side wall of the limiting block (5), and the third fixing ring (9) is fixedly connected with the inner side wall of the charging head (1).

4. The high-voltage connector capable of being locked secondarily according to claim 1, wherein one end of the nylon rope (15) is fixedly connected with the first fixing ring (7), and the other end of the nylon rope (15) is fixedly connected with the second fixing ring (8) through the third fixing ring (9).

5. A secondary lockable high-voltage connector according to claim 1, characterized in that one end of the moving plate (11) is slidingly connected to the outer side wall of the connecting pile (2), and one end of the reset plate (12) is slidingly connected to the moving plate (11).

6. The high-voltage connector capable of being locked secondarily according to claim 1, wherein one end of the return spring (13) is fixedly connected with the movable plate (11), the other end of the return spring (13) is fixedly connected with the return plate (12), and the fixing strip (14) is fixedly connected with the return plate (12).

7. The high-voltage connector capable of being locked secondarily according to claim 1, wherein a limiting groove (10) corresponding to the limiting block (5) is formed in the outer side wall of the connecting pile (2), and the fixing strip (14) is matched with the fixing hole (4).