KR100537997B1 - Modular jack having a dust isolation door - Google Patents

Abstract

The present invention discloses a modular jack for protecting the modular jack from the ingress of dust or foreign matter.

The present invention provides a door part 11 that is freely opened and closed within the insertion groove 4 of the housing 2, and a support 12 for inserting the door part 11 to be easily fixed to one end of the modular jack. Characterized in that consists of.

According to the present invention, it is possible to prevent the inflow of dust or foreign matter to the unused modular jack, and can be conveniently used by the user, has a simple structure does not cause an increase in production costs.

Description

MODULAR JACK HAVING A DUST ISOLATION DOOR}

The present invention relates to a modular jack to which a modular plug of a terminal device is connected, and more particularly, to a modular jack having a dust blocking door capable of preventing dust or foreign matter from entering into an unused modular jack. .

In general, multimedia services such as a computer, a general communication telephone, and a facsimile convert data or voice signals into electrical signals to transmit and receive. These equipments must be connected to telecommunication lines that enter indoors or premises.

To this end, a modular jack is installed at an end of a communication line drawn indoors or premises, and a terminal plug is provided with a modular plug that can be electrically connected to the modular jack.

These modular jacks are recessed in indoor walls of indoors or premises, and are installed in various places so as to easily connect with terminal devices placed indoors or premises.

On the other hand, Figure 1 is a perspective view showing a conventional modular jack.

As shown, the conventional modular jack is composed of a connecting body (1) and the housing (2), the housing (2) has an insertion groove (4) is formed so that the modular plug (3) can be inserted in the front On the rear side, a connector coupling part 5 is formed so that the connector 1 electrically connected to the incoming communication line can be coupled.

The connection body 1 has an IDC (Interconnect Displacement Connection) connector 6 which can easily connect a communication line drawn on the printed circuit board 8, and a contact terminal 7 which is in electrical contact with the modular plug 3. ) Is combined. The IDC connector 6 and the contact terminal 7 are electrically connected through the printed circuit board 8.

The conventional modular jack configured as described above is in electrical contact with the modular plug 3 drawn out from the terminal device to transmit and receive electrical signals with a telephone company or another user.

On the other hand, as multimedia services and high-speed information communication services are rapidly activated in recent years, the need for faster data transmission speeds has been raised.

Already, communication lines have been replaced by fiber-optic cable in order to improve transmission speed and ensure stability.

As a result of this trend, factors affecting the transmission speed have also emerged in the modular jack.

That is, the modular jack is installed in various places so that the user can install the terminal device in the desired position, but there are more places that are left unused rather than actually used. The modular jack thus left is exposed with the insertion groove 4 open so that dust and foreign substances in the air flow in for a long time. The contact terminal 7 is provided at the bottom of the insertion groove 4, so that when the modular plug 3 is inserted while dust and foreign substances accumulated in the contact terminal 7 are accumulated for a long time, performance deterioration due to poor contact is caused. Is self-explanatory.

In particular, in the early days, even those that satisfied specifications and performances related to various electrical characteristics may be short of specifications and performances required by inflow of dust or foreign substances over a long period of time. In addition, since the modular jack is generally installed at a height of about 30 centimeters from the floor surface of the room, it may be said that the tickle or foreign substances on the floor surface are often inserted into the modular jack while the interior is being cleaned.

Conventionally, in order to solve such a problem, a technology for adding an auxiliary device having a dust blocking door in front of the modular jack has been developed.

Figure 2 is a perspective view of the accessory equipped with a conventional dust blocking door.

The conventional auxiliary device shown is attached to the front of the modular jack, and has a structure that allows the user to open and close the door (9) as needed.

By the way, such a conventional auxiliary device can secure the reliability and stability of the unused modular jack, but is rarely used due to the inconvenience in use and the increase in product cost due to the addition of the auxiliary device.

That is, the conventional accessory device is a cumbersome way in which the user opens the door 9 downward with one hand and inserts the modular plug 3 with the other hand.

Therefore, the present invention is to solve such a conventional problem, it is possible to prevent the inflow of dust or foreign matter to the unused modular jack, can be used conveniently by the user, made of a simple structure to increase the production cost It is an object of the present invention to provide a modular jack with a dust blocking door that does not cause.

The present invention for achieving the above object is a modular jack for protecting the modular jack from the inflow of dust or foreign matter, freely open and close the front of the housing formed with the insertion groove, the door device is installed by the modular plug is installed It is characterized by.

The above objects and various advantages of the present invention will become more apparent from the preferred embodiments of the invention described below with reference to the accompanying drawings by those skilled in the art.

Hereinafter, with reference to the accompanying drawings will be described in detail an embodiment of the present invention.

Figure 3 is a perspective view of a modular jack having a dust blocking door according to the present invention. In the meantime, the same components as in the prior art will be described with the same reference numerals.

As shown, the modular jack according to the present invention is composed of a connecting body (1) and the housing (2), the housing (2) has an insertion groove (4) so that the modular plug (3) can be inserted in the front On the rear side, a connector coupling portion 5 is formed so that the connection body 1 electrically connected to the communication line introduced therein can be coupled.

The connection body 1 has an IDC (Interconnect Displacement Connection) connector 6 which can easily connect a communication line drawn on the printed circuit board 8, and a contact terminal 7 which is in electrical contact with the modular plug 3. ) Is combined. The IDC connector 6 and the contact terminal 7 are electrically connected through the printed circuit board 8.

The modular jack according to the present invention configured as described above is in electrical contact with the modular plug 3 drawn out from the terminal device to transmit and receive an electrical signal with a telephone station or another user.

In particular, the modular jack according to the present invention is freely opened and closed by the modular plug in the front of the housing (2) in which the insertion groove (4) is formed in order to protect from inflow of dust or foreign matter is provided with a door device (10) do.

Figure 4 is a cutaway perspective view of a cut part of the modular jack to show the interior of the door device according to the invention in detail, Figure 5 is separated from the upper surface of the housing to show the fastening structure of the support according to the invention in detail It is a perspective view of a state.

As shown in Figures 3 and 5, the door device 10 according to the present invention is a door part 11 to be opened and closed freely in the insertion groove 4, and the door part 11 is easily modular jack It consists of a support 12 to be inserted to be fixed to one end of the.

The door part 11 has a door 13 formed to have a size that is the same as or slightly smaller than the shape of the insertion groove 4 of the modular jack, and the door 13 can be rotatably attached to both ends of the upper part of the insertion groove 4. The locking rod 14 is formed integrally with the upper portion of the door 13 to be formed.

The support 12 is inserted from the rear of the door unit 11 to prevent the locking rod 14 of the door unit 11 from being pushed backward.

For this purpose, the support 12 has a flat plate shape and a protrusion 15 is formed in a direction that comes into contact with the catching rod 14 of the door part 11. At one end, a snap protrusion 16 that can be clamped and formed is formed. In addition, a tension portion 17 for elastically dropping the door portion 11 when the modular plug 3 is pulled out is formed on the bottom of the support.

On the other hand, the front surface of the door 13 is formed with a locking step 18 for preventing the modular plug 3 is unduly inserted more than necessary. The locking step 18 causes interference with the tip of the modular plug 3 in the state in which the door 13 is open to the rear, thereby preventing the modular plug 3 from being inserted anymore.

On the other hand, as shown in Figure 6, it is equipped with a shape for allowing the door portion and the support according to the present invention to be coupled inside the housing.

FIG. 6 is a rear view of the rear side of the housing, that is, a part of the inside of the housing viewed from the direction A of FIG. 3.

First, the locking rod 14 of the door part 11 can be hung, and a partition wall 19 is provided to allow the door part 11 to be positioned at the center of the insertion part 4, and the support stand 12 is provided. Guide grooves 20 are formed on both side surfaces of the housing 2 which are in contact when they are inserted. In addition, the stepped portion 21 for snap engagement with the support 12 is formed at the beginning of the guide groove 20.

The combination and operation of the door device according to the present invention configured as described above will be described with reference to FIGS. 7 and 8 as follows.

7 illustrates a state before the modular plug is inserted, and FIG. 8 illustrates a state in which the modular plug is inserted.

First, the door 11 is inserted from the rear of the insertion groove so that the locking bar 14 of the door 11 spans the partition 19. The partition wall 19 allows the door part 11 to be positioned at the center of the insertion groove 4. Since the door part 11 only maintains the state suspended from the partition 14, the support 12 is inserted to prevent the door part 11 from being pushed backwards. The support 12 is inserted along the guide groove 20, and the snap protrusion 16 is firmly snapped into the groove while being moved inwardly beyond the step portion 21 formed at the beginning of the guide groove 20.

As such, the door device 10 according to the present invention has a simple coupling structure and an easy structure to assemble.

On the other hand, when the user inserts the modular plug 3 through the insertion groove 4, the front end portion of the modular plug 3 is pushed back the door portion 11 is pushed back. The door part 11 is pushed up without any resistance, and the rear side of the door 13 comes in contact with the tension part 17 of the support 12. When a predetermined elastic force is applied to the door 13 and the modular plug 3 while the modular plug 3 is removed from the insertion groove 4, the door 13 is released by the restoring force and the weight of the tension unit 17. ) Returns to the initial state, that is, the entrance of the insertion groove 4 is blocked by the door 13.

In the above description, it should be understood that those skilled in the art can only make modifications and changes to the present invention without changing the gist of the present invention as it merely illustrates a preferred embodiment of the present invention.

As described above, according to the present invention, it is possible to prevent inflow of dust or foreign substances into the unused modular jack, and can be conveniently used by the user, and has a simple structure that does not cause an increase in production cost. .

1 is a perspective view showing a conventional modular jack,

Figure 2 is a perspective view of the auxiliary device provided with a conventional dust blocking door,

3 is a perspective view illustrating a modular jack having a dust blocking door according to the present invention;

Figure 4 is a cutaway perspective view of a portion of the modular jack cut in order to show the interior of the door device according to the invention in detail,

5 is a perspective view of a state in which the upper surface of the housing is separated to show the fastening structure of the support according to the present invention in detail;

6 is a rear view of the housing, that is, a partial rear view showing the inside of the housing viewed from the direction A of FIG.

7 is a side cross-sectional view before the modular plug is inserted;

Figure 8 is a side cross-sectional view of the state in which the modular plug is inserted.

<Description of the symbols for the main parts of the drawings>

10; Door devices 11; Door part

12; Support 13; door

14; Locking rod 15; projection part

16; Snap projection 17; Tension part

18; Locking jaw 19; septum

20; Guide groove 21; Step

Claims (8)

delete delete delete delete delete delete Consists of a housing electrically connected to the incoming communication line, the insertion groove is formed so that the modular plug can be inserted into the front surface, the housing coupling portion is formed so that the connector can be coupled to the rear surface, dust and foreign matter In the modular jack to protect against inflow, The door is opened and closed freely on the front of the housing formed with the insertion groove, and is opened by a modular plug, The door device It has the same or slightly smaller size than the insertion groove shape, the door is formed with a latching jaw to prevent the modular plug from being inserted more than necessary to the front, and the door is rotatable at both ends of the insertion groove A door part which is configured to be integrally formed on the upper part of the door so as to be fastened and opened and closed in the insertion groove; In order to insert the door to be easily fixed to one end of the modular jack, to form a flat plate, a protrusion is formed in the direction in contact with the engaging rod, snap projections are formed on both sides thereof, the tension is formed on the bottom Consists of supports, Hanging rods can be hung on the inner side of the housing, the partition wall is provided to allow the door portion to be located in the center of the insertion groove, guide grooves are formed on both sides so that the support can be inserted Modular jack with dust barrier door. [8] The modular jack of claim 7, wherein a stepped portion for snap engagement with the support portion is formed at the beginning of the guide groove.