WO2007071129A1

WO2007071129A1 - A protective gate assembly for socket

Info

Publication number: WO2007071129A1
Application number: PCT/CN2006/000586
Authority: WO
Inventors: Yingfeng Cai
Original assignee: Yingfeng Cai
Priority date: 2005-12-20
Filing date: 2006-04-03
Publication date: 2007-06-28
Also published as: CN2882011Y

Abstract

A protective gate assembly for socket, especially by means of controlling the stroke of the protective gate by a guiding way, comprises a base which provides a hole on a surface, a cover connected to the base, a protective gate, and a restoring spring. A chamber is formed between the the base and the cover, in which the protective gate and the restoring spring are located. A guiding way with two inclined planes is provided in the chamber. The protective gate has a guiding shaft which can cooperate with the guiding way. On the surface of the protective gate facing to the hole, block corresponding to the hole is provided. On the block, there is a bore for moving along the guiding way. The action point on the restoring spring is under the guiding shaft.

Description

Protective door assembly for socket

The present invention relates to a protective door assembly for a socket, and more particularly to a protective door assembly for a socket that controls the movement of the door by a guide rail.

Background technique

At present, most of the sockets on the market do not have a protective door. Although the socket is simple in structure and relatively inexpensive, it is prone to electric shock and causes harm to people's lives and property. Therefore, people invented various sockets. The utility model protects the door from electric shock. For example, the utility model patent CN99222668.6 discloses a split socket protection door, which comprises a panel, a spring, a door cover and a seat body, characterized in that an axis is arranged at the upper end of the door cover. The hole, the door cover shaft and the shaft hole on the panel are arranged in series, the protection door is mounted on the panel, and the spring string of the protection door is controlled on the door cover shaft, one end of the spring is stuck on the seat body, and the other end is stuck in the door. The back of the cover; the lower end of the door cover is engaged with the card provided on the panel. The technology solves the technical problems of waterproof, dustproof and electric shock prevention by adopting the card and the twisting and engaging device on the door cover and the three protrusions and the grooves of the protection door. However, in the utility model, the opening and closing of the protection door requires additional manual operation, which undoubtedly makes the operation more complicated. In addition, there is no interlock function between the two poles of the utility model, which is liable to cause electric shock when the single pole is inserted. phenomenon.

Disclosure of invention

The invention provides a protection door assembly for a socket which has a simple structure and has a self-locking function. The utility model solves the problems that the protection door assembly in the socket existing in the prior art has a complicated structure, is inconvenient to operate, and cannot prevent electric shock when the single pole is inserted. technical problem.

The invention also provides a protection door with good positioning effect and determined movement direction, thereby making the plug more stable and smooth when inserted into the socket; solving the problem that the position of the protection door in the socket existing in the prior art is uncertain, so that the use is not Stable technical issues.

The above technical problem of the present invention is mainly solved by the following technical solutions: A protection door assembly for a socket, comprising a seat body, the end surface of the base body is provided with a socket, and the seat body is connected with the protection door cover, the seat Forming a cavity between the body and the protective door cover, and providing a protection door and a return spring in the cavity, At least one guide rail with two inclined surfaces is disposed in the cavity, and a guide shaft matched with the guide rail is disposed on the protection door; and a stopper corresponding to the insertion hole is disposed on an end surface of the protection door facing the insertion hole The retaining body is provided with a retaining hole along the direction of the guide rail; the receiving point of the return spring is located below the guiding shaft. The seat body is an open cavity, and an end surface of the insertion hole is an end surface opposite to the opening. The protective door can be applied to a two-pole socket or to a two-pole socket with a grounded connection. In the case of resetting, the force receiving point of the return spring is located below the guiding shaft, pressing the guiding shaft of the protection door, abutting the protection door on the inner end surface of the seat body, and the blocking body of the protection door just faces the insertion body of the seat body Hole, to prevent electric shock. When the plug is inserted, the protection door is translated by the two latches along an inclined side of the guide rail, and the latch passes through the retaining hole of the protective door and the retaining hole of the protective door cover is inserted into the socket body, and is connected. power supply. When the pin is pulled out, the protection door returns to the original position along the other inclined surface of the guide rail by the action of the return spring, and the stopper abuts against the insertion hole. When a single pin or other tab of the plug is inserted into any of the jacks, the protective door is rotated by the latch around the guard door guide shaft, one side of the plug is inserted downward, the other side is upward, and the upper side of the guard door The stopper hooks the socket on the seat so that the protection door cannot move and the protection door cannot be opened. The movement stroke of the protection door is determined, and the assistance by the guide rail is more stable.

As a preferred embodiment of the above solution, the two guide rails are disposed on opposite inner side walls of the base body, and the two guide rails are arranged parallel to each other on both sides of the protection door, and the guide shaft is disposed outside the protection door. The edge extends into the groove of the guide rail, and the two guide shafts are arranged on the same straight line. The guide rails are arranged in two and are arranged parallel to each other, so that the movement is more stable, the guide rail is opened on the inner side wall of the seat body, material and space are saved, and the assembly is also convenient. The guide shaft slides in the guide rail. Since the guide rail is disposed on both sides of the protection door, the guide shaft is disposed on the outer edge of the protection door and has a convex shape.

More preferably, the guide rail is disposed in a middle portion of the inner side wall, and the protection door is a hollow rectangular frame body having a "mouth" shape, and the guide shaft is disposed in a cylindrical shape at a middle portion of the outer edge of the protection door; There are four positioning projections at the four corners. The protection door has a "mouth" shape, which is simple in structure and convenient to manufacture, and the hollow place can be used as a position hole. It does not need to make a special hole for the position. The four positioning protrusions of the four corners of the protection door can make the protection door seat. The position in the body is more accurate, there is no offset, and it is convenient to put the protective door into the body during installation.

As another preferred embodiment of the above aspect, the guide rail is one, in the inner end surface of the base body. a guiding platform with at least one inclined surface is provided, and a guiding platform having at least one inclined surface is also arranged in the middle of the inner end surface of the protective door cover, and the inclined surfaces of the two guiding tables cooperate with each other are inclined in the same direction, two The guide tables cooperate to form a guide rail having two inclined surfaces, and the guide shaft is disposed in the protection door. The inclined faces of the two inclined faces are the same but the inclination angle is different, the guide rails are horn-shaped, and the angles of the two inclined faces determine the movement track of the protection door; since the guide rails are disposed in the seat body, the corresponding guide shafts are also disposed on the protection gates. Inside.

More preferably, the protection door is in the shape of a "day", the guide shaft is disposed in the middle of the protection door, and a protrusion is arranged on each side of the outer edge of the protection door, and the protrusion and the guide shaft are in a straight line. Above, there are four positioning protrusions at the four corners of the protection door. Since the guide shaft is arranged inside the protection door, the protection door has a "day" shape. The protection door of this structure is not only simple to manufacture, but also saves material and reduces cost. The protrusion of the outer edge of the protection door is for pressing the spring so that the protection door can be reset by the spring force.

As a further preferred embodiment of the above aspect, the guide rails are two, and an inclined guide table is disposed on each of the two sides of the inner end surface of the seat body, and the two guide tables are symmetrically arranged with the center line of the seat body; The inner end surface of the door cover is provided with a guide table matched with the above-mentioned guide table, and the two guide tables cooperate to form a guide rail having two inclined surfaces, and the guide shaft is disposed at the outer edge of the protection door, and two guides are provided. The axes are placed on the same line. The two rails are symmetrically arranged with the center line of the seat body, so that the protection door is evenly stressed, which is convenient for protecting the movement of the door. The rail is formed by two bosses, and the guide rail of this structure makes the mold simple to manufacture and the size is easy to ensure.

As a preferred aspect of each of the above aspects, the two inclined faces of the guide rail are formed such that the extension lines intersect in a straight line. That is, the inclination angles of the two inclined faces constituting the guide rail are different, and the inclination angles are different to make the movement locus of the protection door more certain.

As a preferred aspect of each of the above aspects, the inclined plane is provided on the upper surface of the retaining body, and the inclined direction of the inclined surface is opposite to the direction in which the guide rail is inclined. A bevel is provided on the plane of the block. In order to facilitate the insertion of the pin, the direction of the bevel is opposite to the direction in which the rail is tilted. The pin is inserted into the protective door with a lateral thrust, which is exactly the same as the direction of the guide rail, so as to facilitate the movement of the door.

As a preferred aspect of the above aspects, a boss is provided on a lower surface of the stopper; and a socket corresponding to the boss is provided on the cover panel. When the unipolar is inserted, the protection door is on one side and the other side is on the other side. The upward blocking body hooks the socket on the seat body, and the lower side boss hooks the socket of the protection door cover, so that the protection door does not move along the guide rail, and it is impossible to open the protection door. Insert the latch into the jack.

As a preferred embodiment of the above solution, two parallel limiting plates are disposed in the cavity, and one limiting plate corresponds to one blocking body, and the limiting plate is disposed on a side of the blocking body with the retaining hole. Each block corresponds to a limit plate. After the protection door is reset, the last position of the protection door can be determined, so that the block body just faces the jack, and at the same time, when the pin is inserted into the socket, the protection door can be prevented from going in the wrong direction. slide.

The limit plates can also be placed on the seat or on the door cover. As a preferred aspect of the above aspects, the limiting plate is vertically fixed to the end surface of the base body, and one piece is vertically fixed to the protective door cover. The two limit plates are respectively fixed on the seat body and the protective door cover, which is convenient for installation and convenient to use.

As a preferred aspect of the above aspects, the distance between the two blocking bodies is equal to the distance between the two insertion holes on the seat body; one end of the return spring is fixed to one side of the seat body, and the other end is from below the guide shaft. Pass through. The distance between the blocks is equal to the distance between the jacks on the seat, which is convenient for installation and has a good sealing effect. At the same time, the size of the block can be made equivalent to the size of the holes, saving material.

The seat body and the protection door can be connected together by a pin or a screw. As a preferred embodiment of the above, the seat body and the protection door cover are connected by a pin shaft, and the pin shaft is disposed on the seat body. At the end, the diameter of one pin is larger than the diameter of the other pin. It is connected by a pin, simple in structure and easy to disassemble. The size of the pin is different, which can prevent the protection of the door cover from being reversed, which makes the assembly more convenient.

As a preferred aspect of each of the above aspects, the inner end surface of the seat body is provided with a rib perpendicular to the guide shaft. The ribs are arranged on the inner end surface of the seat body to prevent the protection door from being stuck in the seat body, thereby protecting the smooth movement of the door.

Therefore, the invention has the following advantages: 1. The structure is simple and convenient to install, 2. The protection door has a self-locking function, 3. The protection door has a good positioning effect, the movement direction is determined, and the use is more stable.

DRAWINGS

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a front cross-sectional view of a protective door assembly for a socket of the present invention.

Figure 2 is a bottom plan view of the seat of Figure 1. Figure 3 is a front elevational view of the protective door cover of Figure 1.

Figure 4 is a plan view of the protective door cover of Figure 1.

Figure 5 is a front elevational view of the protective door of Figure 1.

Figure 6 is a plan view of Figure 5.

Figure 7 is a bottom plan view of another seat of the protective door assembly for a socket of the present invention.

Figure 8 is a plan view of the protective door of Figure 7.

Figure 9 is a front elevational view of the protective door cover of Figure 7.

Figure 10 is a plan view of Figure 9.

Figure 11 is a front cross-sectional view of still another protective door assembly for a socket of the present invention.

Figure 12 is a bottom plan view of the base of Figure 11;

Figure 13 is a top plan view of the protective door cover of Figure 11;

Figure 14 is a schematic illustration of the application of the protective door assembly of the present invention to a socket.

Best way to implement the invention

The following details:

Example 1

As shown in FIG. 1 to FIG. 6, a protection door assembly for a socket includes a seat body 1. The seat body 1 has a rectangular open cavity shape, and two end faces 1-2 of the seat body 1 opposite to the opening are provided. The jacks 1-3, the seat body 1 and the protective door cover 2 are snapped together by the pin shafts 1-4 disposed at the two ends of the seat body 1, and the diameters of the two pin shafts 1-4 are different, and the door cover 2 is protected. The end face is also provided with two rectangular sockets 2-1. The shape of the protective door cover 2 is the same as the shape of the end surface of the seat body 1. A guide rail 3 with two inclined faces is arranged in the middle of the opposite side walls of the seat body 1. The inclined faces of the two inclined faces 3-1, 3-2 of the guide rail 3 are different, and the two guide rails are different. 3 The inclined directions are the same and parallel to each other, the seat body 1 and the protective door cover 2 form a rectangular cavity, and a rectangular hollow protective door 4 is arranged in the cavity body, and the protective door 4 has a "mouth" shape, and the hollow part is The position holes 4-6, the guide rails 3 are arranged on both sides of the protection door 4, and two cylindrical guide shafts 4-1 are provided on the outer side of the middle portion of the protection door 4, and the protection door guide shafts 4-1 extend into the guide rails 3 The inner part cooperates with the guide rail 3, and the two guide shafts 4-1 are in a straight line. A stopper 4-2 corresponding to the insertion hole 1-3 of the seat body 1 is provided on the opposite sides, and the stopper body 4-2 is provided with a sloped surface which is inclined in a direction opposite to the direction in which the guide rail 3 is inclined. The bottom surface of the blocking body 4-2 is provided with the jack 2-1 on the protective door cover 2 Corresponding boss 4-3. A positioning projection 4-4 is provided on each of the four corners of the protective door 4. A rib 8 perpendicular to the guide shaft 4-1 is provided on the inner end surface of the seat body 1. A spring seat 5 is disposed on one side of the cavity, and the return spring 6 is a "U" shape of the torsion spring. The main body portion is fixed in the spring seat 5, and the extended two legs respectively pass through the guide shaft of the protection door 4. Below the 4-1, the guide shaft 4-1 of the protective door 4 is pressed. A limiting plate 7 is respectively disposed on the protective door cover 2 and the seat body 1. The limiting plate 7 is perpendicular to the protective door cover 2 and the end surface of the base body 1. The two limiting plates 7 are parallel to each other, and one limit is limited. The position plate 7 corresponds to a blocking body 4-2, and the distance between the two limiting plates 7 is the same as the distance between the two blocking bodies 4-2. As shown in FIG. 1, the limiting plates 7 are all disposed on the blocking body 4 The right side of the -2, that is, the side on which the limiting plate 7 is disposed is opposite to the moving direction of the protective door 4. The working principle of the embodiment is as follows: When the two plugs of the plug are simultaneously inserted into the jacks 1-3 of the base 1, the protective door 4 will move along the inclined surface 3-1 of the guide rail 3 on the side of the seat body 1. After a certain distance, the end of the bolt contacts the inclined surface of the retaining body 4-2 of the protection door 4 to allow the protection door 4 to continue to translate, thereby opening the protection. The door 4 allows the two plugs of the plug to be inserted smoothly at the same time. When the two pins of the plug are dialed out, the protective door is closed by returning to the original state along the inclined surface 3-2 of the guide rail 3 due to the torsion of the return spring 6.

When a single pin of the plug is inserted into any one of the sockets of the base body, the protection door 4 is rotated around the center of the guide shaft 4-1 by the action of the pin, the one side of the protection door 4 is downward, and the other side is upward, and upward. The upper stopper 4-2 on one side hooks the socket 1-3 on the seat body 1, so that the protection door 4 does not move along the guide rail 3 on the side of the seat body 1, and it is impossible to open the protection door 4 for a single bolt. Insert the socket 1-3 of the base 1.

As shown in FIG. 14, a plurality of protective door panels 2 may be integrally formed, and each corresponding seat body 1 may also be correspondingly integrated, or respectively disposed in the upper panel of the socket to form a plurality of sockets connected thereto. A patch panel together.

Example 2:

As shown in FIGS. 7 to 10, a protection door assembly for a socket includes a seat body 1. The end surface of the base body 1 has a racetrack shape, and two sockets 1-3 are provided on the end surface of the base body 1, the seat body 1 and the protective door cover 2 are fastened by the pin shafts 1-4 disposed at the two ends of the seat body 1, and the end faces of the protective door cover 2 are also provided with two insertion holes 2-1. In the middle of the seat body 1, there is a guiding platform 1-5 with an inclined surface. The guiding table 1-5 has a right-angled triangular shape, and at the same time, a corresponding inclined position is provided at the corresponding position of the protective door cover 2, but the inclination is Guide table 2-2 having the same direction as the guide table 1-5 on the seat body 1 in the same direction, two guide tables Fit together to form a guide rail 3 with two inclined faces. The seat body 1 and the protective door cover 2 form a cavity, and a rectangular hollow protective door 4 is arranged in the cavity body. The protection door 4 has a "Japanese" shape, and a guide shaft 4-1 is provided in the middle of the protection door 4, and is guided. The shaft 4-1 is engaged with the guide rail 3. The outer edge of the protection door 4 is provided with a protrusion 4-5 on each side, and the protrusion 4-5 is in line with the guide shaft 4-1. Both limiting plates 7 are disposed on the inner end surface of the base. The rest is the same as in the first embodiment.

Example 3:

As shown in FIGS. 11 to 13, a protection door assembly for a socket includes a seat body 1 having a racetrack shape, and two sockets 1-3 are provided on an end surface 1-2 of the base body. 1 and the protective door cover 2 are snapped together by the pin shafts 1-4 disposed at the two ends of the seat body 1, and the end faces of the protective door cover 2 are also provided with two insertion holes 2-1. Two guide rails 1-5 are arranged on the inner side of the end surface 1-2 of the base body. The guide rails 1-5 are in a right-angled triangular shape, and the two guide tables 1-5 are parallel to the inner side wall, and the seat body 1 is The center line is symmetrically arranged, and the guide tables 1-5 are disposed on both sides of the protection door 4; meanwhile, a guide table 2-2 with an inclined surface is also provided at a corresponding position of the inner end surface of the protection door cover 2, and the inclination direction thereof is The guides 1-5 on the seat body are inclined in the same direction, and the two guide tables are engaged with each other to form the guide rails 3. The guide rails 3 are arranged on both sides of the protection door 4. The outer edge of the protection door 4 is provided with a guide shaft that cooperates with the guide rails. 4-1, the two guide shafts 4-1 are in a straight line. The rest is the same as in Embodiment 2.

The specific embodiments described herein are merely illustrative of the inventive concept. A person skilled in the art can make various modifications or additions to the specific embodiments described or replace them in a similar manner, without departing from the spirit of the invention or the scope of the appended claims. The scope of the definition.

Claims

Rights request

1 . A protection door assembly for a socket, comprising a seat body, wherein an end surface of the seat body is provided with a socket, the seat body is connected with the protection door cover plate, and a cavity is formed between the seat body and the protection door cover body, and the cavity body is provided There is a protective door and a return spring, characterized in that at least one guide rail (3) with two inclined faces is provided in the cavity, and a guide shaft (for example) which cooperates with the guide rail (3) is provided on the protective door (4) ( 4-1); On the end face of the protective door (4) facing the jack (1-3), a stopper (4-2) corresponding to the jack (1-3) is provided, and the stopper (4- 2) A retaining hole (4-6) is provided along the guide rail; the force receiving point of the return spring (6) is located below the guide shaft (4-1).

2. The protective door assembly for a socket according to claim 1, wherein: the two guide rails (3) are disposed on opposite inner side walls of the base body (1), two The guide rails (3) are arranged parallel to each other on both sides of the protection door (4), and the guide shaft (4-1) is disposed on the outer edge of the protection door (4) and protrudes into the groove of the guide rail (3), the two guide shafts (4-1) Set on the same line.

3. The protection door assembly for a socket according to claim 2, wherein: the guide rail (3) is disposed in a middle portion of the inner side wall, and the protection door (4) is a hollow rectangular frame. The body is in the shape of a "mouth", and the guide shaft (4-1) is cylindrically arranged in the middle of the outer edge of the protective door (4-1); four positioning projections are provided at the four corners of the protective door (4) (4- 4).

4. A protective door assembly for a socket according to claim 1, wherein: said guide rail (3) is one, and at least one tilt is provided in a middle portion of an inner end surface of the base body (1) The guide table (1-5) of the surface is also provided with at least one inclined guide table (2-2) in the middle of the inner end surface of the protective door cover (2), and the inclined surfaces of the inclined surfaces of the two guide tables cooperate with each other In the same direction, the two guide tables cooperate to form a guide rail (3) having two inclined faces, and the guide shaft (4-1) is disposed in the protective door (4).

5. A protective door assembly for a socket according to claim 4, wherein: said protective door (4) has a "day" shape, and said guide shaft (4-1) is disposed at In the middle of the protection door (4), a protrusion (4-5) is arranged on each side of the outer edge of the protection door (4), and the protrusion (4-5) is in line with the guide shaft (4-1). Four positioning projections (4-4) are provided at the four corners of the protective door (4).

6. The protection door assembly for a socket according to claim 1, wherein: the guide rails (3) are two, and one side is provided on each of the two sides of the inner end surface of the base body (1). The inclined guide table (1-5), the two guide tables (1-5) are symmetrically arranged with the center line of the seat body; the inner end surface of the protective door cover (2) is provided with the above-mentioned guide table (1-5) Cooperating tilting guides (2-2), two guides The guide rail (3) has two inclined surfaces, the guide shaft (4-1) is disposed on the outer edge of the protection door (1), and the two guide shafts (4-1) are disposed on the same straight line.

7. A protective door assembly for a socket according to any one of claims 1 to 6, characterized in that: two inclined faces (3-1, 3-2) constituting the guide rail, the extension lines intersecting In a straight line.

The protection door assembly for a socket according to any one of claims 1 to 6, characterized in that: the inclined body is provided on the upper surface of the blocking body (4-2), and the inclined surface is inclined The guide rails (3) are tilted in opposite directions.

A protection door assembly for a socket according to any one of claims 7 to 4, characterized in that: the inclined body is provided on the upper surface of the blocking body (4-2), and the inclined surface of the inclined surface is inclined with the guide rail ( 3) The direction of the tilt is opposite.

The protection door assembly for a socket according to any one of claims 1 to 6, characterized in that: a lower surface of the blocking body (4-2) is provided with a boss (4-3); A socket (2-1) corresponding to the boss (4-3) is provided on the protective door cover (2).

11. A protective door assembly for a socket according to claim 9, wherein: a lower surface of the blocking body (4-2) is provided with a boss (4-3); 2) A jack 01 corresponding to the boss (4-3) is provided.

12. A protective door assembly for a socket according to any one of the preceding claims, wherein: two parallel limiting plates (7) are provided in the cavity, and a limiting plate (7) is provided. Corresponding to a blocking body (4-2), the limiting plate (7) is disposed on the side of the blocking body (4-2) where the retaining holes (4-6) are provided.

13. The protection door assembly for a socket according to claim 12, wherein: the limiting plate (7) is vertically fixed to the end surface (1-2) of the base body, and is vertically fixed. On the protective door cover (2).

14. A protective door assembly for a socket according to any of the preceding claims, characterized in that: the distance between the two blocking bodies (4-2) and the two on the seat body (1) The distance between the jacks (1-3) is equal; one end of the return spring (6) is fixed to one side of the seat body (1), and the other end passes under the guide shaft (4-1).

A protective door assembly for a socket according to any one of claims 1 to 6, characterized in that the seat body (1) and the protective door cover (2) are passed through a pin (1-4) ) connected together, pin (1-4) It is disposed at both ends of the seat body (1), and the diameter of one pin is larger than the diameter of the other pin.

A protective door assembly for a socket according to any one of claims 1 to 6, characterized in that: the inner end surface of the seat body (1) is provided with a rib perpendicular to the guide shaft (4-1) Article (8).