CN217934298U - Prevent heavy current connector of hot plugging function - Google Patents

Abstract

The application relates to a high-current connector with a hot plugging prevention function, which comprises a connector plug and a connector socket; the connector plug comprises a pin assembly and a plug shell, the connector socket comprises a plug bush assembly and a socket shell, a limiting assembly is arranged on the socket shell, and a first limiting part and a second limiting part are arranged on the plug shell; spacing subassembly is spacing with first spacing portion, and the restriction connector plug moves to the direction of being close to socket shell, and spacing subassembly is spacing with the spacing portion of second, and the restriction connector plug moves to keeping away from socket shell direction. When the connector socket is electrified, and the connector plug is inserted into the connector socket, the limiting mechanism can be limited by the first limiting part, so that the connector plug is prevented from being continuously inserted into the electrified connector socket, when the connector socket is electrified, and the connector plug is extracted from the connector socket, the limiting mechanism can be limited by the second limiting part, so that the connector plug can be prevented from being extracted from the connector socket, and the function of preventing the hot plug is achieved.

Description

Prevent heavy current connector of hot plugging function

Technical Field

The application relates to the technical field of high-current connectors, in particular to a high-current connector with a hot plugging prevention function.

Background

Connectors, also known as connectors, plugs and sockets, connect two active devices to transmit current or signals by inserting a plug into a socket.

In the prior art, the socket end is normally electrified, the phenomena of overload and arc striking can be caused when the connector is electrified and unplugged, personal safety is damaged, and the use function of a product can be damaged, particularly, serious potential safety hazards exist to operators when the high-current connector is electrified and unplugged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned not enough of prior art, provide a prevent heavy current connector of hot plug function.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a high-current connector with hot plugging prevention function comprises a connector plug and a connector socket; the connector plug comprises a pin component and a plug shell, and the pin component is inserted in the plug shell; the connector socket comprises a plug bush component and a socket shell, wherein the plug bush component is arranged in the socket shell, a limiting component is arranged on the socket shell, and a first limiting part and a second limiting part are arranged on the plug shell; the limiting component and the first limiting part are used for limiting the connector plug to move towards the direction close to the socket shell, and the limiting component and the second limiting part are used for limiting the connector plug to move towards the direction far away from the socket shell.

Through the technical scheme, the limiting assembly is arranged to limit the first limiting part and the second limiting part, when the connector socket is electrified and the connector plug is inserted into the connector socket, the limiting mechanism can limit the first limiting part to prevent the connector plug from being continuously inserted into the electrified connector socket, and the contact pin assembly and the plug bush assembly can be prevented from being connected to ensure safety; when the connector socket is electrified and the connector plug is pulled out of the connector socket, the limiting mechanism can limit the second limiting part, so that the connector plug can be prevented from being pulled out of the connector socket, and the function of preventing hot plugging is achieved.

In a specific possible implementation, the limiting assembly includes a pin blocking device, the pin blocking device is connected to a pin blocking driving mechanism disposed in the socket housing, and the pin blocking driving mechanism is connected to drive the pin blocking device to extend into the socket housing to limit the first limiting portion or the second limiting portion, or to drive the pin blocking device to exit from the inside of the socket housing.

According to the technical scheme, the stop pin driving mechanism drives the stop pin to extend into the socket shell to realize the limit between the stop pin and the first limit part or the second limit part; meanwhile, the stop pin is driven to withdraw from the interior of the socket shell through the stop pin driving mechanism, and then the socket shell can withdraw from the limiting state.

In a specific embodiment, the stop pin driving mechanism is connected with two serially connected switch devices, wherein one switch device is closed by electrifying the connector socket, the other switch device is closed by switching on a touch switch, the touch switch is arranged on the socket shell, and a contact of the touch switch extends into the inner wall of the socket shell; when the two switch devices are closed, the stop pin driving mechanism is switched on to drive the stop pin device to act.

Through the technical scheme, the stop pin driving mechanism can only act when the socket is electrified and the contact is extruded to switch on the touch switch, the contact is extruded to represent that the connector plug is inserted into the connector socket, namely, the stop pin driving mechanism can only be electrically operated when the connector plug is inserted into the connector socket, and the stop pin driving mechanism is not electrified at ordinary times, so that the safety is ensured, and the service life of the stop pin driving mechanism can be prolonged.

In a specific embodiment, the first position-limiting part is an interface part disposed at an end of the plug housing, and the interface part adopts a shape of a rounded corner, an oblique angle or a stepped structure.

Through the technical scheme, the limiting is realized through the matching of the interface part at the end part of the plug shell and the stop pin device, and the interface part adopts a round angle, an oblique angle or a step structure shape and is used for achieving the functions of guiding and limiting the trigger signal.

In a specific embodiment, the stop pin driving mechanism comprises an electromagnetic lock device, and the electromagnetic lock device comprises a lock tongue; the electromagnetic lock device is fixed on the socket shell, the electromagnetic lock device is electrified, and the lock tongue is popped out;

the stop pin device comprises an inner end capable of extending into the inner side of the socket shell and an outer end in contact with a lock tongue of the electromagnetic lock, a spring is further arranged in the stop pin device, the lock tongue is popped out to push the inner end into the socket shell, the lock tongue retracts, the stop pin device resets, and the inner end is retracted from the socket shell.

Through the technical scheme, the electromagnetic lock is electrified to drive the spring bolt to pop out, so that the stop pin is pushed into the socket shell, and the stop pin and the plug shell can perform limiting action; when the electromagnetic lock is powered off, the stop pin device returns under the action of the spring and withdraws from the socket shell, and the stop pin device cannot limit the plug shell.

In a specific embodiment, the second position-limiting part is a position-limiting groove provided on the plug housing.

Through the technical scheme, the stop pin device is inserted into the limit groove, so that the limit is realized.

In a specific implementation scheme, a pin insulating cap is arranged at one end, away from the waterproof connector, of the pin assembly, and a plug insulating cap is arranged at one side, close to the pin assembly, of the plug assembly.

Through above-mentioned technical scheme, contact pin insulating cap and plug bush insulating cap are non-metallic material, can prevent effectively that when the connector socket is electrified, the connector plug inserts the back, and the contact of contact pin subassembly and plug bush subassembly.

In a specific embodiment, a plug sealing ring is arranged on the plug shell, the connector plug is inserted into the connector socket, and the plug sealing ring forms a seal with the inner wall of the socket shell.

Through the technical scheme, the sealing is formed between the plug sealing ring and the socket shell, and the sealing performance and the safety between the connector plug and the connector socket are guaranteed.

In a specific embodiment, a plug bush sealing ring is arranged on the plug bush component; the connector plug is inserted into the connector socket, and the plug bush sealing ring and the inner wall of the plug shell form sealing.

Through above-mentioned technical scheme, through plug bush sealing washer and plug housing inner wall formation sealed, guaranteed leakproofness and the security between plug and the socket.

In a specific possible embodiment, the connector receptacle is provided with a live display mechanism; the electrified display mechanism comprises an LED lamp, when the connector socket is electrified, the LED lamp is electrified, and the LED lamp is normally on.

Through above-mentioned technical scheme, through setting up electrified display mechanism, under the electrified circumstances of connector socket, the LED lamp is often bright, can remind operator's connector socket electrified, does not require the live-line operation.

In a specific possible implementation, the live display mechanism further comprises a color ring, and the socket shell is provided with a limiting bump; the color ring is arranged on the LED lamp, the color ring is provided with a limiting groove and an observation hole, the limiting groove is matched with the limiting convex point, and the observation hole is used for displaying the LED lamp.

Through the technical scheme, the charged display is more obvious by arranging the color ring, so that the attention of an operator is convenient to remind.

Has the advantages that:

1. the utility model discloses a set up spacing subassembly and first spacing portion, second spacing portion and carry on spacingly, when the connector socket is electrified, when the connector plug inserts into the connector socket, spacing mechanism can be spacing with first spacing portion, prevent that the connector plug from continuing to insert into the electrified connector socket, can prevent that contact pin subassembly and plug bush subassembly from putting through to be connected and guaranteed the security; when the connector socket is electrified and the connector plug is pulled out of the connector socket, the limiting mechanism can limit the second limiting part, so that the connector plug can be prevented from being pulled out of the connector socket, and the function of preventing hot plugging is achieved.

2. The limit component is realized by driving the stop pin device through the stop pin driving mechanism, the stop pin driving mechanism can act only when the socket is electrified and the contact is extruded to switch on the touch switch, the contact is extruded to represent that the connector plug is inserted into the connector socket, namely, the stop pin driving mechanism can only be electrically operated when the connector plug is inserted into the connector socket, and the stop pin driving mechanism is not electrified at ordinary times, so that the safety is ensured, and the service life of the stop pin driving mechanism can be prolonged.

3. A pin insulating cap is arranged at one end of the pin assembly, which is far away from the waterproof connector, and a plug bush insulating cap is arranged at one side of the plug bush assembly, which is close to the pin assembly; the contact pin insulating cap and the plug bush insulating cap are made of non-metal materials, so that the contact pin assembly is in contact with the plug bush assembly after the connector plug is inserted when the connector socket is electrified.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view of the connector plug of the present invention;

fig. 3 is a schematic structural diagram of the pin assembly of the present invention;

fig. 4 is a schematic view of the connector jack of the present invention;

FIG. 5 is a schematic structural view of the plug bush assembly of the present invention;

fig. 6 is a schematic structural view of the electromagnetic lock device of the connector jack of the present invention;

fig. 7 is a schematic structural view of the connector socket latch device and the touch switch of the present invention;

FIG. 8 is a schematic diagram of the electrified anti-plugging function of the present invention;

fig. 9 shows the electrification anti-pulling function of the utility model.

Wherein: 1-a connector plug; 11-a pin assembly; 111-pin insulation cap; 12-a plug housing; 121-a limiting groove; 122-an interface section; 13-plug sealing ring; 14-fixing the gear sleeve; 15-waterproof joints; 2-a connector receptacle; 21-a sleeve assembly; 211-a sleeve insulating cap; 212-plug seal ring; 22-a socket housing; 221-groove-like structure; 222-a limit bump; 23-a protective cover assembly; 24-an electromagnetic lock device; 241-a lock tongue; 242 — a fixed plate; 243-limit screw; 25-a stop pin device; 251-inner end; 252-an outer end; 253-a spring; 26-touch switch; 261-a contact; 27-an LED lamp; 28-color circle; 281-limiting groove; 282-Observation hole.

Detailed Description

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

Example 1:

referring to fig. 1 to 3, the present embodiment discloses a high-current connector with hot-plugging prevention function, which includes a connector plug 1 and a connector receptacle 2. The connector plug 1 comprises a pin assembly 11 and a plug shell 12, the plug shell 12 is sleeved on the pin assembly 11, a fixed gear sleeve 14 is further arranged on the pin assembly 11, and the pin assembly 11 and the plug shell 12 are fixedly connected through the fixed gear sleeve 14, so that the pin assembly 11 and the plug shell 12 are firmly connected. The plug housing 12 is provided with a waterproof joint 15 at one end and an insertion end at the other end for insertion into the connector receptacle 2. A pin insulating cap 111 is provided at an end of the pin assembly 11 remote from the watertight connector 15.

The plug sealing ring 13, the first limit part and the second limit part are arranged on the plug shell 12 close to the insertion end side, in this embodiment, the first limit part is arranged on the interface part 122 arranged at the insertion end, the interface part 122 adopts a round angle, an oblique angle or a step structure shape design for achieving the functions of guiding and limiting the trigger signal, and in this embodiment, the interface part 122 adopts a step structure. The second position-limiting part is a position-limiting groove 121 disposed on the plug housing 12, the position-limiting groove 121 has one or more different shapes, and in this embodiment, the position-limiting groove 121 is a circular groove.

Referring to fig. 4 to 7, the connector receptacle 2 includes a socket assembly 21, a receptacle housing 22 and a protective cover assembly 23, wherein the receptacle housing 22 is disposed on the socket assembly 21, and a socket insulating cap 211 is disposed at a point of the socket assembly 21 close to the plug assembly 11. The protecting cover assembly 23 is connected with the socket housing 22, an opening is formed in one end of the socket housing 22 for the connector plug 1 to be inserted into, the protecting cover assembly 23 is closed to shield the opening in one end of the socket housing 22, the protecting cover assembly 23 is opened, and the opening in one end of the socket housing 22 is exposed for the connector plug 1 to be inserted into the connector socket 2.

Referring to fig. 6 and 7, a latch device 25, an electromagnetic lock device 24, and a tact switch 26 are provided on the socket housing 22. The electromagnetic lock device 24 comprises a locking bolt 241, a fixing plate 242 and a limit screw 243; the fixing plate 242 is fitted into the groove-like structure 221 of the receptacle housing 22, and fixes the electromagnetic lock device 24 by a stopper screw 243. The stop pin device 25 includes an inner end 251, an outer end 252 and a spring 253, the outer end 252 of the stop pin device 25 is required to contact the latch tongue 241 to displace the stop pin device 25, and the inner end 251 is required to be within the socket adjacent to the insert housing assembly 21. The trigger switch 26 is disposed on the sidewall of the socket housing 22, the contact 261 of the trigger switch 26 extends into the socket housing 22, and the contact 261 of the trigger switch 26 is pressed to turn on the trigger switch 26, thereby sending a signal to the electromagnetic lock device 24.

In order to ensure the use safety of the connector, the inner end 251 is made of non-metal materials; for smooth operation of the whole device, the latch tongue 241 and the outer end 252 are both made of metal material. The circuit of the electromagnetic lock device 24 has two switches, which are in a series structure, wherein one is whether the connector socket 2 is electrified, and the other is whether the touch switch 26 sends a signal to the electromagnetic lock device 24, and the two switches are closed at the same time, so that the electromagnetic lock device 24 is electrified; the bolt 241 of the electromagnetic lock device 24 is electrically ejected and withdrawn after power failure.

The outer wall of the plug bush component 21 is provided with a plug bush sealing ring 212 of the connector plug 1, and when the connector plug 1 is connected and matched with the connector socket 2, the plug sealing ring 13 of the connector plug 1 and the plug bush sealing ring 212 of the connector socket 2 can form double protection for the joint of the connector plug 1 and the connector socket 2.

If the connector plug 1 is inadvertently connected and mated with the connector receptacle 2 while the connector receptacle 2 is electrified, the interface portion 122 of the plug housing 12 will first contact the contact 261 of the tact switch 26; the touch switch 26 will send a signal to the electromagnetic lock device 24, at this time, the connector socket 2 is electrified and the touch switch 26 sends a signal, so that the electromagnetic lock device 24 is electrified; the latch tongue 241 springs out and contacts the outer end 252 of the catch means 25; the pin stop device 25 is forced to move and go deep into the socket housing 22, before the pin insulation cap 111 contacts with the plug bush insulation cap 211 of the connector socket 2, the inner end 251 of the pin stop device 25 contacts with the interface part 122 of the plug housing 12 to prevent the connector plug 1 from being inserted, and the pin insulation cap 111 and the plug bush insulation cap 211 are made of non-metallic materials. When the connector socket 2 is electrified, the contact between the pin assembly 11 and the plug bush assembly 21 is effectively prevented after the connector plug 1 is inserted. When the connector plug 1 is pulled out, the signal of the tact switch 26 disappears, the electromagnetic lock device 24 is de-energized, the latch tongue 241 retracts, and the latch device 25 returns to the original position under the action of the spring 253.

As can be seen from fig. 9, in the case that the connector socket 2 is powered off, the connector plug 1 is inserted into the position, and at this time, the trigger switch 26 sends a signal but the connector socket 2 is not powered, and the electromagnetic lock device 24 is not powered; when the connector is electrified, the electromagnetic lock device 24 is electrified, the pin blocking device 25 is displaced, and the inner end 251 falls into the limiting groove 121 of the plug housing 12. If the connector plug 1 is pulled out without the power failure of the connector receptacle 2, the connector plug 1 cannot be rotationally pulled out due to the influence of the pin stopper 25 and the stopper groove 121. Effectively prevent the connector socket 2 from being pulled out of the connector plug 1 when working with electricity.

Example 2:

the rest of this embodiment is the same as embodiment 1, except that in this embodiment, in order to remind an operator that the connector socket is electrified and prevent the operator from electrified operation, as can be seen from fig. 4 and 8, the connector socket 2 is provided with an electrified display mechanism; the electrified display mechanism comprises an LED lamp 27, when the connector socket 2 is electrified, the LED lamp 27 is electrified, and the LED lamp 27 is normally on.

The electrified display mechanism also comprises a color ring 28, and a limiting salient point 222 is arranged on the socket shell 22; the position-limiting groove 281 of the color ring 28 and the position-limiting convex point 222 of the socket shell 22 assist the installation of the color ring 28. The limiting groove and the limiting convex point can be one pair or a plurality of pairs. The color ring 28 is installed on the LED lamp 27, the color ring 28 is provided with a limiting groove 281 and an observing hole 282, and the observing hole 282 is used for displaying the LED lamp 27.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (11)

1. A high-current connector with hot plugging prevention function comprises a connector plug (1) and a connector socket (2); the connector plug (1) comprises a pin component (11) and a plug shell (12), wherein the pin component (11) is inserted into the plug shell (12); connector socket (2) are including plug bush subassembly (21), socket casing (22), and plug bush subassembly (21) set up in socket casing (22), its characterized in that: a limiting component is arranged on the socket shell (22), and a first limiting part and a second limiting part are arranged on the plug shell (12); the limiting component and the first limiting part are used for limiting the connector plug (1) to move towards the direction close to the socket shell (22), and the limiting component and the second limiting part are used for limiting the connector plug (1) to move towards the direction far away from the socket shell (22).

2. A high-current connector with hot-plugging prevention function according to claim 1, characterized in that: the limiting assembly comprises a stop pin device (25), the stop pin device (25) is connected with a stop pin driving mechanism arranged on the socket shell (22), the stop pin driving mechanism is communicated, the stop pin device can be driven to stretch into the socket shell (22) to be limited by a first limiting part or a second limiting part, or the stop pin device (25) is driven to exit from the inside of the socket shell (22).

3. A high-current connector with hot-plugging prevention function according to claim 2, characterized in that: the stop pin driving mechanism is connected with two switch devices which are connected in series, wherein one switch device is closed by electrifying the connector socket (2), the other switch device is closed by switching on a touch switch (26), the touch switch (26) is arranged on the socket shell (22), and a contact of the touch switch (26) extends into the inner wall of the socket shell (22); when the two switch devices are closed, the stop pin driving mechanism is switched on to drive the stop pin devices to act.

4. A high-current connector with hot-plugging prevention function according to claim 3, characterized in that: the first limiting part is an interface part (122) arranged at the end part of the plug shell (12), and the interface part (122) adopts a round angle, an oblique angle or a step structure shape.

5. A high-current connector with hot-plugging prevention function according to claim 3, characterized in that: the stop pin driving mechanism comprises an electromagnetic lock device (24), and the electromagnetic lock device (24) comprises a lock tongue (241); the electromagnetic lock device (24) is fixed on the socket shell (22), the electromagnetic lock device (24) is electrified, and the bolt (241) is ejected;

the stop pin device (25) comprises an inner end (251) capable of extending into the inner side of the socket shell (22) and an outer end (252) contacted with a bolt (241) of the electromagnetic lock, a spring (253) is further arranged in the stop pin device (25), the bolt (241) is popped up to push the inner end (251) into the socket shell (22), the bolt (241) retracts, the stop pin device (25) resets, and the inner end (251) retracts from the socket shell (22).

6. A high-current connector with hot-pluggable function according to claim 1, wherein: the second limiting part is a limiting groove (121) arranged on the plug shell (12).

7. A high-current connector with hot-pluggable function according to claim 1, wherein: one end, far away from the waterproof connector (15), of the pin assembly (11) is provided with a pin insulating cap (111), and one side, close to the pin assembly (11), of the plug bush assembly (21) is provided with a plug bush insulating cap (211).

8. A high-current connector with hot-plugging prevention function according to claim 1, characterized in that: the plug shell (12) is provided with a plug sealing ring (13), the connector plug (1) is inserted into the connector socket (2), and the plug sealing ring (13) and the inner wall of the socket shell (22) form sealing.

9. A high-current connector with hot-plugging prevention function according to claim 1, characterized in that: the plug bush component (21) is provided with a plug bush sealing ring (212); the connector plug (1) is inserted into the connector socket (2), and the plug bush sealing ring (212) and the inner wall of the plug shell (12) form sealing.

10. A high-current connector with hot-plugging prevention function according to claim 1, characterized in that: the connector socket (2) is provided with an electrified display mechanism; the electrified display mechanism comprises an LED lamp (27), when the connector socket (2) is electrified, the LED lamp (27) is electrified, and the LED lamp (27) is normally on.

11. A high current connector with hot-pluggable function according to claim 10, wherein: the electrified display mechanism also comprises a color ring (28), and a limiting salient point (222) is arranged on the socket shell (22); the color ring (28) is arranged on the LED lamp (27), the color ring (28) is provided with a limiting groove (281) and an observation hole (282), and the limiting groove (281) is matched with the limiting salient point (222) for installation.

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