CN213782390U

CN213782390U - Electric connector with time delay unlocking mechanism

Info

Publication number: CN213782390U
Application number: CN202022828562.9U
Authority: CN
Inventors: 王敦文; 彭果; 聂辉; 荣慧超
Original assignee: Shanghai Weyer Electric Appliances Co ltd
Current assignee: Shanghai Weyer Electric Appliances Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-07-23
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses an electric connector with a time-delay unlocking mechanism, which comprises a plug and a socket, wherein the socket is provided with a locking structure on a socket shell at one end connected with the plug, and the locking structure comprises a first locking structure and a second locking structure; the plug is characterized in that a spring bolt structure is arranged on a plug shell of the plug and comprises a spring bolt and a button, when the spring bolt is locked in the lock catch structure, the button is operated to enable the spring bolt to gradually break away from the first lock catch structure and the second lock catch structure in sequence, and therefore delay unlocking of the plug and the socket is achieved. The utility model limits the position of the locking key of the lock tongue through the two-stage lock catch structure on the socket, realizes the step-by-step unlocking of the plug and the socket, prevents the influence caused by the electrification and the unplugging of the connector, and improves the safety performance and the service life of the connector; the plug and the socket are convenient to plug; the locking position is visual, so that the condition of whether the lock is in place or not can be observed conveniently, and the reliability is improved.

Description

Electric connector with time delay unlocking mechanism

Technical Field

The utility model relates to an electric connector especially relates to an electric connector with time delay release mechanism.

Background

With the rise of electric vehicles, the electric connectors of the vehicles become new hot spots for the application of the connectors. Compared with a common connector, the automobile electric connector has higher requirements on the reliability and safety of products. The main function of the electrical connector is to connect the power key module power modules. The basic components include a plug and a socket with wires and a locking mechanism, and when the plug and the socket are matched with each other, the circuit is conducted.

The delayed unlocking is an important link in the unlocking process of the high-voltage electric connector, the signal contact element needs to be disconnected before the power contact element is disconnected in the unlocking process of the high-voltage electric connector, at the moment, the control system recognizes that the signal circuit is disconnected, namely, the high-voltage current is cut off, and then the power contact element is disconnected, so that personal injury to operators caused by the high-voltage circuit inside the connector in the separation unlocking process can be avoided.

Most of the existing high-voltage connectors complete the process of inserting and separating the plug and the socket through the elastic deformation of a buckle arranged on the handle. The plug and the socket are fast in the separation process, so that the signal contact and the power contact are almost simultaneously disconnected, and separation faults such as electric sparks and the like are easily caused. The electrical components can be damaged by arcing and ablation, which affects the service life of the product and presents the potential risk of accidental electric shock for the operator. Accordingly, the prior art is yet to be improved and developed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an electric connector with delay release mechanism is provided, the plug and the socket of solving electric connector are because the separation process is too fast for signal contact and power contact break off almost simultaneously, separation faults such as production electric spark that lead to.

The technical solution adopted by the present invention to solve the above technical problems is to provide an electrical connector with a time-delay unlocking mechanism, which includes a plug and a socket, wherein the socket is provided with a locking structure on a socket housing at one end connected with the plug, and the locking structure includes a first locking structure and a second locking structure; the plug is characterized in that a spring bolt structure is arranged on a plug shell of the plug and comprises a spring bolt and a button, when the spring bolt is locked in the lock catch structure, the button is operated to enable the spring bolt to gradually break away from the first lock catch structure and the second lock catch structure in sequence, and therefore delay unlocking of the plug and the socket is achieved.

Further, the spring bolt is the wane formula spring bolt, be provided with the mounting groove on the plug housing, the spring bolt is articulated through the round pin axle at middle part and plug housing, the spring bolt is first end with the one end of hasp structural connection, and the one end that is connected to the button is the second end, the tip of first end is equipped with the locking key of T shape, the second end sets up in the mounting groove with the button together.

Furthermore, a gap is reserved between the second end and the bottom of the mounting groove, the end of the second end of the lock tongue is arranged in the button, a guide groove is formed in the side face of the button, a guide rail matched with the guide groove is arranged in the mounting groove, and the button can move along the guide rail.

Furthermore, a pressure spring is arranged between the button and the second end of the lock tongue, when the button is pushed to move towards the first end, the pressure spring is compressed, the end part of the second end is further inserted into the button, and the button is pressed to force the second end to be pressed downwards, so that the first end moves upwards.

Further, round pin axle department is provided with the torsional spring, relaxs the button, the button moves to the direction of keeping away from first end under the spring action of pressure spring, the second end of spring bolt moves up under the spring action of torsional spring, makes first end pushes down.

Furthermore, the first locking structure and the second locking structure are sequentially arranged on the socket shell along the direction close to the socket, the first locking structure comprises two groups of first stop blocks which are symmetrically arranged, the first stop blocks are L-shaped, and a T-shaped groove matched with the locking key is formed between the two groups of first stop blocks; the second locking structure comprises a cross beam, a convex notch with the lower width and the upper width being narrow is formed between the cross beam and the socket shell, and the width of the bottom of the notch is matched with the width of the locking key.

Furthermore, the side surface of the first stop block close to the plug is an inclined surface, and the side surface of the locking key close to the socket is an inclined surface.

Further, the surface of the button is provided with an anti-skid line and an unlocking direction indicating sign.

The utility model discloses contrast prior art has following beneficial effect: the utility model provides an electric connector with time delay release mechanism, through the position of the locking key of the two-stage hasp structure restriction spring bolt on the socket, make plug and socket unblock step by step, there is a pause process between signal contact pin and power contact pin outage, make control system discern signal circuit disconnection promptly cut off high-tension current, break off the power contact again; the influence caused by the live-line plugging of the connector is prevented, the phenomena of electric leakage and arc discharge are avoided, the safety performance of the connector is improved, and the service life of the connector is prolonged; the plug and the socket are convenient to plug, and can be directly butted, plugged and locked without pressing a button or other operations; the locking position is visual, so that the condition of whether the lock is in place or not can be observed conveniently, and the reliability is improved.

Drawings

Fig. 1 is a schematic structural diagram of an electrical connector with a time-delay unlocking mechanism according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a plug according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a socket according to an embodiment of the present invention.

In the figure:

100. a plug; 110. a plug housing; 111. mounting grooves; 120. a latch bolt; 121. a locking key; 130. a button; 140. a pin shaft; 150. a torsion spring; 160. a pressure spring; 200. a socket; 210. a socket housing; 211. a first stopper; 212. a cross beam; 213. a T-shaped slot; 214. a notch.

Detailed Description

The invention is further described with reference to the following figures and examples.

Fig. 1 is a schematic structural diagram of an electrical connector with a time-delay unlocking mechanism according to an embodiment of the present invention.

Referring to fig. 1, an electrical connector with a time-delay unlocking mechanism according to an embodiment of the present invention includes a plug 100 and a socket 200, where the socket 200 is provided with a locking structure on a socket housing 210 at an end connected to the plug 100, and the locking structure includes a first locking structure and a second locking structure; the plug shell 110 of the plug 100 is provided with a latch bolt structure, the latch bolt structure comprises a latch bolt 120 and a button 130, when the latch bolt 120 is locked in a latch structure, the latch bolt 120 is gradually separated from a first latch structure and a second latch structure sequentially by operating the button 130, and then the delay unlocking of the plug 100 and the socket 200 is realized.

Please refer to fig. 2, in the electrical connector with the delay unlocking mechanism according to the embodiment of the present invention, the latch tongue 120 is a seesaw type latch tongue, the plug housing 110 is provided with a mounting groove 111, the latch tongue 120 is hinged to the plug housing 110 at the middle portion through a pin 140, one end of the latch tongue 120 connected to the latch structure is a first end, one end connected to the button 130 is a second end, the end of the first end is provided with a T-shaped locking key 121, and the second end and the button 130 are disposed in the mounting groove 111 together.

Specifically, a gap is reserved between the second end and the bottom of the mounting groove 111, the end of the second end of the locking tongue 120 is disposed in the button 130, a guide groove is disposed on the side surface of the button 130, a guide rail matched with the guide groove is disposed in the mounting groove 111, and the button 130 can move along the guide rail. A compression spring 160 is disposed between the button 130 and the second end of the latch 120, when the button 130 is pushed to move toward the first end, the compression spring 160 is compressed, the end of the second end is further inserted into the button 130, and the button 130 forces the second end to press down, so that the first end moves upward. The torsion spring 150 is arranged at the pin shaft 140, the button 130 is loosened, the button 130 moves towards the direction far away from the first end under the elastic force of the torsion spring 160, and the second end of the bolt 120 moves upwards under the elastic force of the torsion spring 150, so that the first end is pressed downwards.

Referring to fig. 3, in the electrical connector with a delay unlocking mechanism according to the embodiment of the present invention, a first locking structure and a second locking structure are sequentially disposed on a socket housing 210 along a direction close to a socket 200, the first locking structure includes two sets of first stoppers 211 symmetrically disposed, the first stoppers 211 are L-shaped, and a T-shaped groove 213 matching with a locking key 121 is formed between the two sets of first stoppers 211; the second locking structure includes a beam 212, a convex notch 214 with a wide bottom and a narrow top is formed between the beam 212 and the socket housing 210, and the width of the bottom of the notch 214 matches with the width of the locking key 121.

Preferably, the side of the first stopper 211 adjacent to the plug 100 is beveled, and the side of the locking key 121 adjacent to the receptacle 200 is beveled. When the plug 100 is connected to the socket 200, the locking key 121 of the latch 120 is conveniently directly snapped into the T-shaped groove 213 defined by the first stopper 211.

Preferably, the surface of the button 130 is provided with an anti-slip line and an unlocking direction indicating mark.

The utility model discloses electric connector with delay release mechanism, when actual in service:

when the plug 100 is mated with the receptacle 200, the locking key 121 at the front end of the latch tongue 120 extends along the plane portion of the receptacle housing 210 through the notch 214 at the bottom of the cross beam 212 and into the T-shaped groove 213 enclosed by the two sets of first stoppers 211 to complete the mating locking of the connector: the lower half part of the foremost end of the locking key 121 is an inclined surface, the front end of the first stopper 211 on the socket housing 210 is also an inclined surface, when the locking key 121 is inserted forwards, the two inclined surfaces contact to force the first end of the latch bolt 120 to move upwards, the torsion spring 150 is compressed, after the locking key 121 passes through the highest point of the first stopper 211, the locking key 121 is clamped into the straight surface position of the first stopper 211, the latch bolt 120 recovers the shape under the elastic action of the torsion spring 150, the locking key 121 is clamped into the T-shaped groove 213, and the connector completes butt joint locking.

When the plug 100 is pulled out, the button 130 is pushed and pressed forwards, the button 130 is pressed, the second end is forced to be pressed downwards, the bolt 120 rotates around the pin shaft 140, the locking key 121 at the front end of the bolt 120 tilts and is higher than the highest point of the first stop dog 211 on the socket shell 210, the current state is kept, the plug 100 is pulled out outwards, the locking key 121 on the bolt 120 is blocked by the cross beam 212 after being pulled out for a certain distance, and the plug 100 cannot be pulled out continuously; when the button 130 is released, the button 130 is reset by the elastic force of the compression spring 160, the button 130 and the latch 120 are returned to the horizontal state by the elastic force of the torsion spring 150, and the locking key 121 descends to the bottom position of the notch 214, and the plug 100 is continuously pulled out, and the plug 100 is separated from the socket 200.

To sum up, the electrical connector with the delay unlocking mechanism according to the embodiment of the present invention limits the position of the locking key 121 of the latch 120 through the two-stage locking structure on the socket 200, so that the plug 100 and the socket 200 are unlocked step by step, and there is a pause process between the signal pin and the power pin, so that the control system recognizes the signal loop disconnection, i.e. cuts off the high voltage current, and then disconnects the power contact; the influence caused by the live-line plugging of the connector is prevented, the phenomena of electric leakage and arc discharge are avoided, the safety performance of the connector is improved, and the service life of the connector is prolonged; the plug 100 and the socket 200 are convenient to plug, and can be directly plugged in a butt joint mode and locked without pressing the button 130 or other operations; the locking position is visual, so that the condition of whether the lock is in place or not can be observed conveniently, and the reliability is improved.

Although the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. An electric connector with a time-delay unlocking mechanism is characterized by comprising a plug and a socket, wherein a locking structure is arranged on a socket shell at one end of the socket, which is connected with the plug, and comprises a first locking structure and a second locking structure; the plug is characterized in that a spring bolt structure is arranged on a plug shell of the plug and comprises a spring bolt and a button, when the spring bolt is locked in the lock catch structure, the button is operated to enable the spring bolt to gradually break away from the first lock catch structure and the second lock catch structure in sequence, and therefore delay unlocking of the plug and the socket is achieved.

2. The electrical connector with a time-delay unlocking mechanism as claimed in claim 1, wherein the latch is a seesaw latch, the plug housing is provided with a mounting groove, the latch is hinged with the plug housing at the middle part through a pin shaft, one end of the latch connected with the latch structure is a first end, one end connected to the button is a second end, the end part of the first end is provided with a T-shaped locking key, and the second end and the button are arranged in the mounting groove together.

3. The electrical connector with a time-delay unlocking mechanism as claimed in claim 2, wherein a gap is reserved between the second end and the bottom of the mounting groove, the end of the second end of the latch bolt is arranged in a button, a guide groove is arranged on the side surface of the button, a guide rail matched with the guide groove is arranged in the mounting groove, and the button can move along the guide rail.

4. The electrical connector with a time delay unlocking mechanism as claimed in claim 3, wherein a compression spring is arranged between the button and the second end of the bolt, the compression spring is compressed when the button is pushed to move towards the first end, the end part of the second end is further inserted into the button, and the button is pressed to force the second end to be pressed downwards, so that the first end moves upwards.

5. The electrical connector with a delay unlocking mechanism as claimed in claim 4, wherein a torsion spring is disposed at the pin, the button is released, the button moves in a direction away from the first end under the action of the spring force of the torsion spring, and the second end of the latch moves up under the action of the spring force of the torsion spring, so that the first end is pressed down.

6. The electrical connector with a time delay unlocking mechanism as claimed in claim 2, wherein the first locking structure and the second locking structure are sequentially arranged on the socket housing along a direction close to the socket, the first locking structure comprises two sets of first stop blocks which are symmetrically arranged, the first stop blocks are in an L shape, and a T-shaped groove matched with the locking key is formed between the two sets of first stop blocks; the second locking structure comprises a cross beam, a convex notch with the lower width and the upper width being narrow is formed between the cross beam and the socket shell, and the width of the bottom of the notch is matched with the width of the locking key.

7. The electrical connector with a time delay unlocking mechanism as claimed in claim 6, wherein the side of the first stopper adjacent to the plug is beveled, and the side of the locking key adjacent to the receptacle is beveled.

8. The electrical connector with a time delay unlocking mechanism as claimed in claim 1, wherein the surface of the button is provided with an anti-slip line and an unlocking direction indicating mark.