CN220253564U

CN220253564U - Power socket

Info

Publication number: CN220253564U
Application number: CN202321741101.5U
Authority: CN
Inventors: 房海涛
Original assignee: Zhejiang Zhenan Vehicle Industry Co ltd
Current assignee: Zhejiang Zhenan Vehicle Industry Co ltd
Priority date: 2023-07-05
Filing date: 2023-07-05
Publication date: 2023-12-26
Anticipated expiration: 2033-07-05

Abstract

The application discloses a power socket, it includes the shell seat, fix a plurality of electrically conductive posts of inserting in the shell seat and lid close the cap in the uncovered department in shell seat upper portion, be provided with the jack along upper and lower direction on the shell seat, electrically conductive post of inserting is pegged graft with the jack and is cooperated, the shell seat bottom is equipped with upwards concave gluey chamber, gluey intracavity is located to the lower port of jack, electrically conductive post of inserting bottom stretches into the wiring portion that gluey chamber was as connecting external wire, glue intracavity injection sealant can cover wiring portion. The utility model provides a supply socket has fine sealing performance through structural optimization, and protection level reaches IP67, and the wiring is convenient reliable, simple structure is feasible moreover, has fine practicality and popularization nature.

Description

Power socket

Technical Field

The present application relates to a power outlet, and in particular to a power outlet for a trailer.

Background

In the trailers on the market at present, the traction head and the carriage are generally electrically connected by using a power connector, and the power connector generally comprises a plug and a socket, and is connected with the socket in an inserting way through the plug to realize electric conduction, so that various lamps and other loads on the carriage can be controlled through the traction head. A terminal connection structure of a connector disclosed in patent document CN216214228U for realizing connection of a wire and an external plug in the connector; the terminal connection structure comprises a main connector fixedly arranged in the connector shell and a transit connector inserted in the shell; the main connecting body is provided with a plurality of connecting columns, and the transit connecting body is provided with a plurality of connecting terminals; the top of the connecting column is provided with a plug-in cavity for the plug-in column of an external plug to be inserted, and the bottom of the connecting terminal is provided with a wiring part; the connecting posts and the connecting terminals are in one-to-one correspondence, and the corresponding connecting terminals and the connecting posts are connected along with the insertion and positioning of the transit connector in the shell. In the connector of the above patent document, a detachable transit connector is provided, and the conductor part is formed by connecting a connecting terminal with a connecting column, so that the number of component parts is large, the whole structure is relatively complex, and the production cost is high; in addition, the sealing waterproof structure is complex, and the effect is poor.

Disclosure of Invention

The utility model provides a power socket makes seal structure simplify more through optimizing structure to have fine sealed effect.

The technical scheme for realizing the purpose of the application is as follows:

the utility model provides a pair of supply socket, including the shell seat, fix a plurality of electrically conductive posts and the lid of inserting in the shell seat and close the cap in the uncovered department in shell seat upper portion, be provided with the jack along upper and lower direction on the shell seat, electrically conductive post and jack grafting cooperation, the shell seat bottom is equipped with upwards concave gluey chamber, the lower port of jack is located glue the intracavity, electrically conductive post bottom stretches into the wiring portion that glues the chamber as connecting external wire, glue the intracavity and pour into the sealing gum and can cover wiring portion.

In a further technical scheme, be equipped with the wiring hole on the wiring portion, the wiring hole is the axial hole and sets up the plug wire mouth that supplies external wire male in the bottom.

In a further technical scheme, the periphery of the conductive plug post is sleeved with a rubber ring, and a gap between the conductive plug post and the wall of the jack is sealed in the jack by the rubber ring.

In a further technical scheme, the periphery of the conductive inserted column is provided with an annular caulking groove, and the rubber ring is embedded in the annular caulking groove and the periphery of the rubber ring is in close contact with the wall of the jack hole.

In a further technical scheme, a bottom cover is arranged at the bottom of the shell seat, a through hole for a lead to pass through is formed in the bottom cover, and a threading rubber sleeve is arranged at the through hole.

In a further technical scheme, the shell cover is rotatably arranged on the shell seat through a connecting shaft, a torsion spring is arranged between the shell seat and the shell cover, the shell cover is covered on the upper part of the shell seat under the action of the torsion spring in a normal state, and a waterproof rubber ring is arranged inside the shell cover.

In still further technical scheme, still include dress on the shell seat micro-gap switch, but relative shell seat movable ejector pin and for the ejector pin provides the elastic component that resets, the ejector pin can be when receiving the butt joint plug to support the pressure and remove in order to trigger micro-gap switch's state switches, will simultaneously the elastic component compression.

In a further technical scheme, the shell seat is provided with a mounting frame, the micro switch is mounted on the mounting frame, the ejector rod is provided with a trigger part, and a button of the micro switch is arranged on a moving path of the trigger part.

In a further technical scheme, be equipped with on the shell seat with ejector pin upper end grafting complex last spacing hole be equipped with on the mounting bracket with ejector pin lower extreme grafting complex lower spacing hole, trigger part is the boss of locating the ejector pin middle part, the elastic component is cup jointed the pressure spring on the ejector pin, and the pressure spring lower extreme supports on the mounting bracket, and the upper end supports on the ejector pin.

In a further technical scheme, the mounting frame is provided with a mounting cavity, the micro switch is mounted in the mounting cavity, a glue groove is formed in the mounting cavity at the wiring pin of the micro switch, and sealing glue is injected into the glue groove to cover the wiring pin.

The application has positive effects:

(1) In the power socket of this application, be equipped with the gluey chamber of upwards concave in the shell seat bottom, the jack lower port is located gluey intracavity, it stretches into gluey chamber as the wiring portion of connecting external wire to electrically conductive spliced pole bottom, glue intracavity injection seal gum and can cover wiring portion, adopt this kind of structure, thereby it is continuous to realize external wire and electrically conductive spliced pole's electricity through wiring portion and external wire, thereby it plays sealed effect to fill seal gum (like epoxy AB glue) with wiring portion fully cover through gluing the intracavity after the wiring is accomplished, moreover simple structure is feasible, easy realization, low in manufacturing cost, seal protection level is high, the protection level reaches IP67.

(2) In the power socket of the application, be equipped with the wiring hole on the wiring portion of electrically conductive spliced pole, the wiring hole is the axial hole and sets up the plug wire mouth that supplies external wire male plug wire mouth in the bottom, inserts the wiring downthehole with external wire's end by the plug wire mouth during wiring, then thereby compress tightly external wire end to the wiring portion riveting deformation and accomplish the wiring in the wiring hole, wiring convenient and reliable can effectively improve work efficiency.

(3) In the power socket of this application, still set up micro-gap switch, ejector pin and elastic component, with micro-gap switch access line when in-service use, can realize docking plug grafting state detection effect: when the butt-joint plug and the socket are spliced, pressure is applied to the ejector rod through the butt-joint plug, and then the micro-gap switch is triggered through the ejector rod, so that the micro-gap switch is switched from normally open to closed, a signal for plugging the butt-joint plug into place is transmitted through the state change of the micro-gap switch, and when the butt-joint plug is loosened or pulled out, the ejector rod can be moved to reset under the action of the elasticity released by the elastic piece, and then the state of the micro-gap switch is switched to be disconnected.

Drawings

These and/or other aspects, features and advantages of the present disclosure will become more apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, wherein:

FIG. 1 is a perspective view of a power outlet of the present application;

FIG. 2 is a top view of the power receptacle of FIG. 1;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic view of the bottom of the power receptacle (with the bottom cover removed) of the present application;

fig. 5 is an exploded view of the power outlet of the present application.

The reference numerals shown in the figures are: 1-a shell seat; 11-jacks; 12-a glue cavity; 13-mounting rack; 14-a glue groove; 15-upper limit holes; 16-a lower limit hole; 2-conductive posts; 21-a wiring part; 22-wiring holes; 23-plug wire opening; 24-annular caulking groove; 3-a shell cover; 31-connecting shaft; 32-torsion springs; 33-a waterproof rubber ring; 4-a rubber ring; 5-a bottom cover; 51-threading the rubber sleeve; 52-elastic buckle; 6-ejector rods; 61-a trigger part; 7-a micro switch; 71-a button; 72-connecting pins; 8-elastic member.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present application.

As shown in fig. 1 to 5, the power socket in this embodiment is electrically connected with a docking plug in a plugging manner, and includes a housing 1, a plurality of conductive plugs 2 fixed in the housing 1, and a housing cover 3 covering an upper opening of the housing 1, when the power socket is plugged with the docking plug, the housing cover 3 is opened to plug the docking plug from the upper opening; when not connecting the docking plug, the cap 3 lid closes the upper portion that blocks shell seat 1 and opens, plays the guard action, in order to strengthen waterproof dustproof effect, the inside waterproof rubber ring 33 that is equipped with of cap 3, can play sealed effect between shell seat 1 and cap 3 through waterproof rubber ring 33 when cap 3 lid.

In this embodiment, an insertion hole 11 is provided on the housing 1 along the up-down direction, the conductive insertion column 2 is in plug-in fit with the insertion hole 11, an upward concave glue cavity 12 is provided at the bottom of the housing 1, a lower port of the insertion hole 11 is provided in the glue cavity 12, a bottom end of the conductive insertion column 2 extends into the glue cavity 12 to serve as a wiring portion 21 for connecting an external connection wire, and sealant is injected into the glue cavity 12 to cover the wiring portion 21; by adopting the structure, the external lead is connected with the external lead through the wiring part 21, so that the external lead is electrically connected with the conductive plug post 2, after wiring is finished, the wiring part 21 is fully covered by the sealant (such as epoxy resin AB glue) in the glue cavity 12, so that the sealing effect is achieved, the structure is simple and feasible, the implementation is easy, the production cost is reduced, and the sealing protection grade is high.

Referring to fig. 3, in this embodiment, a wiring hole 22 is provided on the wiring portion 21, the wiring hole 22 is an axial hole, and a plug wire hole 23 for inserting an external wire is provided at the bottom end, when wiring, the tail end of the external wire is inserted into the wiring hole 22 through the plug wire hole 23, and then the tail end of the external wire is compressed by riveting and deforming the wiring portion 21, so that wiring is completed, and the wiring is convenient and reliable, and the working efficiency can be effectively improved.

In order to seal the gap between the outer peripheral wall of the conductive plug post 2 and the jack 11, a rubber ring 4 is sleeved on the outer periphery of the conductive plug post 2, and the rubber ring 4 seals the gap between the conductive plug post 2 and the wall of the jack 11 in the jack 11, so that the sealant injected into the adhesive cavity 12 can be prevented from leaking through the gap between the conductive plug post 2 and the inner wall of the jack 11.

In order to locate the rubber ring 4, the rubber ring 4 is prevented from being shifted during the process of inserting the conductive inserting column 2 into the jack 11, in this embodiment, an annular caulking groove 24 is formed on the outer periphery of the conductive inserting column 2, and the rubber ring 4 is embedded in the annular caulking groove 24 so as not to easily slide on the conductive inserting column 2, and the outer periphery of the rubber ring 4 is tightly contacted with the wall of the jack 11 to seal.

In a further embodiment, as shown in fig. 1 and fig. 3, the bottom of the housing base 1 is configured with a bottom cover 5, the bottom cover 5 is connected with the housing base 1 through a fastening structure, specifically, an elastic buckle 52 may be provided on the bottom cover 5, a fastening slot is provided at the bottom of the housing base 1, the elastic buckle 52 is matched with the fastening slot to realize rapid installation of the bottom cover 5, a perforation through which a wire passes is provided on the bottom cover 5, a threading gum cover 51 is provided at the perforation, an external wire passes through the threading gum cover 51 and then is connected with the wiring portion 21 of the conductive inserting column 2, the threading gum cover 51 can play a role of protecting the wire, and when the external wire is tightly fastened with the threading gum cover 51, further, in actual operation, a ribbon may be used to fasten the threading gum cover 51 so as to be tightly attached with the external wire, so as to enhance the tightness between the threading gum cover 51 and the external wire; as a variant embodiment, the bottom cover 5 may be screwed to the bottom of the housing 1, or the bottom cover 5 may be fixed to the bottom of the housing 1 using screws.

In order to facilitate opening and closing of the housing cover 3, as shown in fig. 5, in this embodiment, the housing cover 3 is rotatably mounted on the housing seat 1 through the connecting shaft 31, the housing cover 3 is opened and closed in a rotating manner, a torsion spring 32 is mounted between the housing seat 1 and the housing cover 3, and the housing cover 3 is closed at the opening of the upper portion of the housing seat 1 under the action of the torsion spring 32 in normal state, so that the housing cover 3 can automatically rotate to be closed under the action of the torsion spring 32 after the docking plug is separated from the socket, and forgetting to close the housing cover 3 can be avoided.

As a further improvement of the above embodiment, referring to fig. 3, the power socket in this embodiment further includes a micro switch 7 mounted on the housing 1, a jack 6 movable relative to the housing 1, and an elastic member 8 for providing a return elastic force to the jack 6, where the jack 6 can move when being pressed by the docking plug to trigger the state switching of the micro switch 7, and at the same time compress the elastic member 8; when in actual use, the micro switch 7 is connected to the circuit, so that the detection function of the plugging state of the butt-joint plug can be realized: when the butt-joint plug and the socket are spliced, pressure is applied to the ejector rod 6 through the butt-joint plug, and then the micro-switch 7 is triggered through the ejector rod 6, so that the micro-switch is switched from normally open to closed, the elastic piece 8 is in a compressed state, a signal for plugging the butt-joint plug into place is transmitted outwards through the state change of the micro-switch, and when the butt-joint plug is loosened or pulled out, the ejector rod 6 can be moved to reset under the action of reset elastic force released by the elastic piece 8, and then the state of the micro-switch 7 is switched to be disconnected.

In this embodiment, the housing 1 is provided with the mounting frame 13, the mounting frame 13 may be fixed on the housing 1 by a screw or a buckle, the micro switch 7 is mounted on the mounting frame 13, the ejector rod 6 is provided with the trigger portion 61, the button 71 of the micro switch 7 is disposed on a moving path of the trigger portion 61, and when the ejector rod 6 is pressed and moved by the docking plug, the button 71 is pressed by the trigger portion 61.

In a further technical scheme, the shell seat 1 is provided with an upper limit hole 15 which is in plug-in fit with the upper end of the ejector rod 6, the mounting frame 13 is provided with a lower limit hole 16 which is in plug-in fit with the lower end of the ejector rod 6, the triggering part 61 is a boss arranged in the middle of the ejector rod 6, the elastic piece 8 is a pressure spring sleeved on the ejector rod 6, the lower end of the pressure spring is propped against the mounting frame 13, and the upper end of the pressure spring is propped against the ejector rod 6, so that upward reset elastic force is provided for the ejector rod 6 through the pressure spring.

In order to increase the waterproof performance of the connection pin 72 on the micro switch 7, the mounting frame 13 is provided with a mounting cavity, the micro switch 7 is mounted in the mounting cavity, a glue groove 14 is formed in the connection pin 72 of the micro switch 7 in the mounting cavity, a wire is connected with the connection pin 72 during wiring, and then sealant is injected into the glue groove 14 to cover the connection pin 72, so that the connection pin 72 and the connection part between the connection pin 72 and the wire are prevented from being exposed, and the tightness is ensured.

It is apparent that the above examples of the present application are merely examples for clearly illustrating the present application and are not limiting of the embodiments of the present application. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While those apparent variations or modifications, which come within the spirit of the instant application, remain within the scope of the instant application.

Claims

1. The utility model provides a power socket, includes shell seat (1), fixes a plurality of electrically conductive posts (2) and lid in shell seat (1) open department's in shell seat (1) cap (3), be provided with jack (11) along upper and lower direction on shell seat (1), electrically conductive post (2) and jack (11) grafting cooperation, a serial communication port, shell seat (1) bottom is equipped with upwards concave gluey chamber (12), the lower port of jack (11) is located gluey intracavity (12), electrically conductive post (2) bottom stretches into gluey chamber (12) and is as connecting wire's wiring portion (21) of connecting external wire, glue intracavity injection sealant can cover wiring portion (21).

2. The power socket according to claim 1, wherein the wiring portion (21) is provided with a wiring hole (22), the wiring hole (22) is an axial hole and a plug wire port (23) into which an external connection wire is inserted is provided at a bottom end.

3. The power socket according to claim 1, wherein the outer periphery of the conductive plug post (2) is sleeved with a rubber ring (4), and the rubber ring (4) seals a gap between the conductive plug post (2) and the wall of the jack (11) in the jack (11).

4. A power socket according to claim 3, wherein the conductive plug (2) is provided with an annular caulking groove (24) at the periphery thereof, the rubber ring (4) is embedded in the annular caulking groove (24) and the outer periphery thereof is in close contact with the wall of the jack (11).

5. The power socket according to claim 1, wherein a bottom cover (5) is installed at the bottom of the housing seat (1), a through hole for a wire to pass through is formed in the bottom cover (5), and a threading rubber sleeve (51) is installed at the through hole.

6. The power socket according to any one of claims 1 to 5, wherein the housing cover (3) is rotatably mounted on the housing base (1) through a connecting shaft (31), a torsion spring (32) is mounted between the housing base (1) and the housing cover (3), the housing cover (3) is normally covered on the upper portion of the housing base (1) under the action of the torsion spring (32), and a waterproof rubber ring (33) is mounted inside the housing cover (3).

7. The power socket according to claim 1, further comprising a micro switch (7) mounted on the housing (1), a jack (6) movable relative to the housing (1), and an elastic member (8) providing a return elastic force to the jack (6), wherein the jack (6) is movable when pressed by the docking plug to trigger a state switching of the micro switch (7), while compressing the elastic member (8).

8. The power socket according to claim 7, wherein a mounting frame (13) is arranged on the housing (1), the micro switch (7) is mounted on the mounting frame (13), a trigger part (61) is arranged on the ejector rod (6), and a button (71) of the micro switch (7) is arranged on a moving path of the trigger part (61).

9. The power socket according to claim 8, wherein the housing (1) is provided with an upper limit hole (15) in plug-in fit with the upper end of the ejector rod (6), the mounting frame (13) is provided with a lower limit hole (16) in plug-in fit with the lower end of the ejector rod (6), the triggering part (61) is a boss arranged in the middle of the ejector rod (6), the elastic piece (8) is a pressure spring sleeved on the ejector rod (6), the lower end of the pressure spring abuts against the mounting frame (13), and the upper end of the pressure spring abuts against the ejector rod (6).

10. The power socket as claimed in claim 8, wherein the mounting frame (13) is provided with a mounting cavity, the micro switch (7) is mounted in the mounting cavity, a glue groove (14) is formed in the mounting cavity at a wiring foot (72) of the micro switch (7), and sealant is injected into the glue groove (14) to cover the wiring foot (72).