KR100489829B1 - A surface mount device type phone jack of tuner - Google Patents

Abstract

The present invention relates to a phone jack (PHONE JACK) that is mounted on the PCB of the tuner (TUNER) in a surface mount type, and is assembled to a tuner made of a PCB printed with a conductor pattern on the upper surface and a chassis to protect the signal, data, etc. A phone jack for inputting and outputting, comprising: an insulating member having a center hole, an outer casing surrounding an outer surface of the insulating member, and a terminal hole formed in the center hole of the insulating member so as to be vertically connected to a terminal connection portion formed through the upper surface of the PCB. A center contact having a fitting terminal piece extending a predetermined length downward from the body and at least one length extending downwardly from a lower end of the lower casing so as to be vertically inserted and connected to at least one fixing hole formed through the upper surface of the PCB. It is comprised including the above fixed piece.

According to the present invention, the phone jack can be easily assembled to a surface-mount type on a PCB that can design a free circuit pattern, thereby achieving the effect of meeting the various needs of a set user requiring various positions of the phone jack for each tuner design.

Description

Surface-mount phone jack of tuner {A SURFACE MOUNT DEVICE TYPE PHONE JACK OF TUNER}

The present invention relates to a phone jack (PHONE JACK) is mounted on the PCB of the tuner (TUNER) in a surface mount type, more specifically, the phone jack can be easily assembled to the surface mount type on the PCB that can be designed free circuit pattern every time tuner design The present invention relates to a surface-mounted phone jack of a tuner that has been improved to meet the various needs of a set user requiring various movements of the phone jack.

In general, tuners (also called TM BLOCKs), which are channel switching components used in devices such as TVs and video cassette recorders (VCRs), have terminal pins for electrically connecting and connecting the main board of the device to the end user. Phone jacks are provided in the chassis for connection with water.

1 is a perspective view showing a general tuner, the tuner 100 is a printed circuit board (hereinafter, referred to as a PCB) 110 and a chassis in which a plurality of vertical bulkheads 121 are arranged to cross each other so as to protect them. 120 and the phone jack 101, terminal pins 102, etc., which are assembled to the side vertical bulkheads 121 of the chassis 120, respectively.

The phone jack 101 is a connection means for inputting or outputting a signal, data, or the like through a connection or connection of an object (not shown) such as an end user's jack or plug.

2 (a) and 2 (b) are a side view and a plan view of a conventional tuner mounted on a general tuner, and FIG. 3 (a) (b) (c) (d) are a plan view, a cross section and a rear view of a conventional phone jack mounted to a general tuner. As shown in the figure and the side view, the conventional phone jack 101 is a hollow cylinder cylindrical upper and lower insulating materials 102, 103, the center contact 104 is integrally assembled to the inner hollow portion, and Protective casing 105 for wrapping and protecting lower insulating material 102 and 103 and bent at right angles from an end of the center contact 104 to be electrically connected to PCB 110 on which chassis 120 is mounted. It consists of the connection terminal 104a.

The operation of assembling the conventional phone jack 101, first assembling the phone jack 101 integrally with the chassis 120 using a caulking machine (not shown in the chassis 120), and then the chassis The connecting end 104a of the phone jack 101 integrally assembled to the 120 is electrically connected to the terminal connection part 119 of the PCB 110.

The cogging process using the caulking machine is a molding process for joining the chassis 120 made of a metal material and the casing 105 of the phone jack 101 to each other. The phone jack penetrated through one vertical partition 121 of the chassis 120 is formed. The phone jack inserted into the insertion hole 122 is fixedly coupled to the chassis 120 by a caulking operation.

That is, the chassis 120 has a hollow phone jack insertion hole 122 is formed, the casing 105 of the phone jack 101 is cylindrical, the outer diameter of the size smaller than the outer diameter of the casing 104 at the end thereof. Since the round jaw 105a is formed, the caulking tool is mounted on the hammer of the caulking machine (not shown), and the chassis is fixed to the jig while the jig for fixing the chassis is installed, and the chassis ( When inserting the casing 105 of the phone jack 101 into the phone jack insertion hole 122 of 120 and hitting the mold, the annular projection (105a) protruding toward the inner side of the chassis 120 is expanded in the outer circumferential direction, By close contact between the phone jack insertion hole 122 and the casing 105, the phone jack can be fixed integrally to the chassis.

In addition, as another method, the assembly portion between the annulus 105a and the chassis 120 was assembled by soldering using a separate soldering machine.

Then, the phone jack 101 is assembled to the chassis 120 as a caulking machine or a soldering machine as described above, and then the connection terminal 104a drawn out at a right angle from the center contact 104 of the phone jack 101 and bent at a right angle. Was electrically connected to a terminal connection portion formed on the PCB 110.

However, when the tuner 100 provided on the main board of the device is changed from a vertical type to a horizontal type for slim design or to change the position of the phone jack 101 on the PCB 110 in accordance with various demands of the device set user. Since the phone jack 101 should always be fixed only to the phone jack insertion hole 122 formed through the predetermined position of the chassis 120, it is necessary to change the assembly position of the phone jack 101 in accordance with various requirements of the set user. It was difficult.

In addition, the work of assembling the phone jack 101 to the chassis 120 must be assembled in a separate assembly line by using a separate assembly device such as a caulking machine and a soldering machine, and the phone jack insertion hole 122 in the chassis 120. ) Must be formed in advance, so that the assembly process is complicated, the work time is excessively increased, and the manufacturing cost is increased.

The present invention has been made to solve the above problems, the object of which is to change the location of the phone jack in various ways without changing the design of the chassis according to the various needs and designs of the device set user, and simplify the process of assembling the phone jack To improve the assembly workability, and to reduce the manufacturing cost to provide a surface-mounted phone jack of the tuner.

As a construction means for achieving the above object, the present invention

In the phone jack is assembled to the tuner consisting of a PCB printed on the upper surface and the chassis to protect the conductor pattern, and inputs and outputs signals, data, etc.

An insulation member having a central hole,

An outer casing surrounding the outer surface of the insulating member;

A center contactor having a fitting terminal piece extending a predetermined length downward from a body disposed in the center hole of the insulating member so as to be connected perpendicularly to the terminal connection portion formed through the upper surface of the PCB;

Surface-mounted phone jack of the tuner, characterized in that it comprises at least one fixing piece extending a predetermined length downward from the lower end of the lower casing so as to be inserted perpendicularly to at least one fixing hole formed through the upper surface of the PCB. By providing.

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

Figure 4 (a) (b) is a front view and a plan view of the upper insulating material employed in the surface-mounted phone jack of the tuner according to the invention, Figure 5 (a) (b) is a surface-mounted phone jack of the tuner according to the invention Fig. 6 (a) (b) is a front view and a plan view of the outer casing employed in the surface mounted phone jack of the tuner according to the present invention, and Fig. 7 (a) (b) is a plan view of the lower insulating material employed. 8 is a front view and a plan view of a center contactor employed in the surface mount phone jack of the tuner according to the present invention, and FIG. 8 is an assembled view of the surface mount phone jack according to the present invention assembled into a chassis, and FIG. 7 is a surface of the tuner according to the present invention. Fig. 10 is a cross-sectional view of the mounted phone jack, and Fig. 10 is a state diagram of assembling the surface mounted phone jack of the tuner according to the present invention.

As shown in FIGS. 4 to 10, the phone jack 1 of the present invention is surface mounted on the upper surface of the PCB 110 of the tuner 100 without changing the design of the chassis in accordance with various requirements of the set user when the set is assembled. As simple and quick to assemble, the phone jack 1 is composed of an insulating member 10, an outer casing 20, a center contact 30 and a fixed piece 40.

That is, the insulating member 10 is an insulator that is injection molded as an insulating material such as plastic so as to prevent the outer casing 20 made of a conductor and the center contactor 30 from being electrically connected to each other. Is composed of the upper insulating material 11 and the lower insulating material 12 through which the central hole 13, 14 is formed through the center of the body so as to facilitate the insertion of the jack or plug that is the counterpart of the end user.

The upper insulating material 11 is an insulator disposed on the outer casing 20, as shown in Fig. 4 (a) (b), upper and lower inner peripheral surface of the central hole 13 formed through the center of the body The chamfer 13a is formed in the incision so that insertion of the counterpart of the end user is easy.

Also, as shown in FIG. 5 (a) and (b), the lower insulating material 12 disposed in the lower part in a group with the upper insulating material 11 also has a central hole of the upper insulating material 11 in the center of the body. The central hole 14 having the same inner diameter size as the through hole 13 is formed, and the outer surface of the body is formed with the groove 15 on the arc-shaped cross section in the longitudinal direction, while the upper insulating material on the opposite side of the groove 15 is formed. An incision is formed on the outer surface of the body 11 so that the smooth surface 11a formed thereon and the smooth surface 12a forming the same plane as each other when assembled.

In the upper surface of the lower insulating material 12, the locking grooves 19 are each formed to facilitate the locking of the locking pieces 39 protruding from the left and right sides of the upper end of the center contactor 30, the lower end of the outer A stepped portion 16 is formed on the annular projection jaw 26 formed on the inner circumferential surface of the casing 20 so that the lower part is difficult to escape.

In addition, the outer casing 20, as shown in Figure 6 (a) (b), so that the insulating member 10 consisting of the upper and lower insulators (11, 12) can be inserted from the top to the bottom. The upper and lower openings, the central hole 21 is formed through the center of the body, and is a cylindrical member made of a metal material to protect the internal parts from external impact.

On the inner surface of the body of the outer casing 20 protrudes in the inner circumferential direction a protrusion 25 on the arc-shaped cross section in which the groove 15 formed in the outer surface of the lower insulating material 12 of the insulating member is disposed.

In addition, a stepped portion 16 formed on a lower edge of the lower insulating material 12 is inserted into a lower end of the body inner circumferential surface of the outer casing 20 so as to protrude the annular projection jaw 26 so that the lower detachment is difficult to be caught. Form.

In addition, the center contactor 30 may be formed of copper or copper so as to electrically connect with each other and the PCB 110 of the tuner when the counterpart of the end user is inserted, as shown in FIGS. 7A and 8B. It is a contact connecting member made of a conductive material such as iron, the lower end is inserted into the perpendicular to the upper surface of the PCB 110 is connected to the terminal fitting hole 111 formed through the arbitrary position through the insulating member (10) ) Has a fitting terminal piece 31 extending a predetermined length directly downward from the body disposed in the central hole 14 of the lower insulating material 12.

In the body of the center contact 30, it is preferable to form an incision 35 in the longitudinal direction so that the insertion into the insulating member 10 can easily reduce the outer diameter of the body.

On the other hand, the fixing piece 40, as shown in Figure 6 (a) (b) and 8, the outer casing (20) having the upper and lower insulating members 10 and the center contactor 30, the chassis ( It is formed to extend a predetermined length directly below the lower end of the outer casing 20 so as to generate a fixing force that can be firmly fixed vertically on the PCB 110 assembled to 120.

The fixing piece 40 is inserted in the insertion direction perpendicular to the upper surface of the PCB 110, the outer periphery of the lower end of the lower casing 20 to be inserted perpendicularly to at least one fixing hole 112 formed therethrough. The length extends in parallel with the fitting terminal piece 31 of the center contactor 30 directly below the edge.

Here, the fixing piece 40 is a fixing hole of the wide upper fixing piece 41 and the PCB 110 extending from the outer rim of the outer casing 20 so as to firmly support the outer casing 20 It is composed of a narrow lower fixing piece 42 extending downward from the lower end of the upper fixing piece 41 to facilitate insertion into the 112.

In addition, it is preferable to protrude a departure preventing embossing 43 on the outer surface of the lower fixing piece 42 so that external detachment is difficult after insertion into the fixing hole 112.

In addition, when two or more fixing pieces 40 are formed at the lower end of the lower casing 20, the fixing pieces 40 are formed at equal intervals in the circumferential direction on the lower end edge of the lower casing 20. It is preferable.

In addition, the fitting terminal piece 31 and the fixing piece 40 may be formed so as not to overlap each other to facilitate insertion into the terminal fitting hole 111 and the fixing hole 112 of the PCB 110.

The work of assembling the surface mounted phone jack 1 of the present invention having the above-described configuration is performed by first inserting the lower insulating material 12 into the central hole 21 of the outer casing 20 having the upper and lower portions open. The stepped portion 16 formed on the outer circumferential edge of the lower end of 12 is caught by the protruding jaw 26 of the outer casing 20 to make it difficult to dislodge the lower insulating material 20.

In addition, the recess 15 formed in the outer surface of the lower insulating material 12 is disposed in the protrusion 25 protruding from the inner surface of the outer casing 20 so that the lower insulating material 12 in the outer casing 20. To prevent rotation).

In addition, the center contactor 30 having a fitting terminal piece 31 extending downward in a predetermined length is inserted through the central hole 14 of the lower insulating material 12, the outer diameter is inserted in the incision cut in the body length direction The insertion work is made smoothly while being slightly contracted by the part 35, and the locking pieces 39 formed at the left and right sides of the upper end are disposed in the locking grooves 19 formed in the upper surface of the lower insulating material 12. It prevents the bottom departure of the center contact (30).

In this state, the upper insulating material 10 is inserted into the upper portion of the lower insulating material 12 assembled in the outer casing 20, the upper and lower laminated top and bottom so that the central hole 12, 14 is disposed on the same vertical line, The lower insulating materials 11 and 12 press-process the opened upper end of the outer casing 20 to the inside, thereby making it difficult to separate the upper and lower insulating materials 11 and 12 from the upper side. In this case, the central holes 13 and 14 of the central holes 11 and 12 of the upper and lower insulating materials 11 and 12 are exposed to the outside so that the counterpart of the final user can be inserted.

Accordingly, the center contactor 30 having the fitting terminal piece 31 is electrically insulated from the outer casing 20 made of a conductor by the upper and lower insulating materials 11 and 12, and at the same time, the fixing pieces on the left and right sides of the lower end. It is integrally assembled inside the outer casing 20 having the body 40 integrally.

On the other hand, assembling the surface-mounted phone jack 1 assembled as described above to the PCB 110 provided at the lower end of the chassis consisting of a plurality of vertical bulkheads 121, the worker holding the phone jack (1) When the fixing piece 40 drawn out to the lower end of the outer casing 20 is inserted into one-to-one correspondence with the fixing hole 112 formed through the upper surface of the PCB 110, the lower fixing piece 42 having a narrow width is The fixing hole 112 is sufficiently inserted into the fixing hole 112 to generate a fixing force, and the wide upper fixing piece 41 interferes with the upper surface of the PCB 100, thereby making it difficult to insert more.

At the same time, the fitting terminal piece 31 of the center contactor 30 assembled in the outer casing 20 is also inserted into it while corresponding to the terminal fitting hole 111 formed in the upper surface of the PCB 110 in a one-to-one correspondence. The fitting terminal piece 31 is inserted and connected to the terminal fitting hole 111 in which the pattern for terminal connection is printed. Accordingly, the phone jack 1 can be easily and quickly assembled in a surface mounting method that is easy to work in the direction orthogonal to the upper surface of the PCB (110).

In addition, when changing the assembly position of the phone jack (1) in accordance with the various requirements of the device set user, the terminal fitting hole 111 and the fixing hole 112 formed through the upper surface when manufacturing the PCB 110 By changing the formation position of the can be easily performed to change the position of the phone jack.

According to the present invention as described above, in the direction orthogonal to the upper surface of the PCB of the chassis by having a lower end of the outer casing and a fixing piece extending directly below, and a fitting terminal piece extending directly below the center contact of the center contact. Since it is possible to assemble the method of mounting the phone jack, it is possible to assemble the phone jack more easily and quickly to improve the assembly workability, and by eliminating the use of the conventional cogging machine can reduce the manufacturing cost.

In addition, by simply changing the formation positions of the terminal fitting holes and the fixing holes formed through the PCB during manufacturing, the position of the phone jack can be changed in various ways without changing the design of the chassis in accordance with various requirements and designs of the user of the device set. Is obtained.

While the invention has been shown and described with respect to particular embodiments, it will be understood that various changes and modifications can be made in the art without departing from the spirit or scope of the invention as set forth in the claims below. It will be appreciated that those skilled in the art can easily know.

1 is a perspective view showing a general tuner.

2 is a side view and a plan view of a conventional phone jack mounted on a general tuner.

3 (a) (b) (c) are a plan view, a sectional view, a back view and a side view of a conventional phone jack mounted on a general tuner.

Figure 4 (a) (b) is a front view and a plan view of the upper insulating material employed in the surface mount type phone jack of the tuner according to the present invention.

Figure 5 (a) (b) is a front view and a plan view of the lower insulating material employed in the surface mount type phone jack of the tuner according to the present invention.

6 (a) and 6 (b) are a front view and a plan view of the outer casing employed in the surface mount phone jack of the tuner according to the present invention.

Figure 7 (a) (b) is a front view and a plan view of the center contactor employed in the surface mount type phone jack of the tuner according to the present invention.

8 is an assembled view of the surface-mounted phone jack according to the present invention assembled into the chassis.

9 is a cross-sectional view of the surface mounted phone jack of the tuner according to the present invention.

10 is a state diagram of assembling the surface-mounted phone jack of the tuner according to the present invention to the chassis.

Explanation of symbols on the main parts of the drawings

10 ...... Insulation member 11 ...... Upper insulation

12 ...... lower insulation 15 ...... groove

20 ...... Outer casing 25 ...... Protrusion

30 ...... Center contactor 31 ......

35 ... incision 40 ...

41 ...... upper plate 42 ...... lower plate

43 ...... Embossing 110 ...... PCB

111 ..... terminal hole 112 ...... fixing hole

Claims (8)

In the phone jack is assembled to the tuner consisting of a PCB printed on the upper surface and the chassis to protect the conductor pattern, and inputs and outputs signals, data, etc. An insulation member having a central hole, An outer casing surrounding the outer surface of the insulating member; A center contactor having a fitting terminal piece extending a predetermined length downward from a body disposed in the center hole of the insulating member so as to be connected perpendicularly to the terminal connection portion formed through the upper surface of the PCB; Surface-mounted phone jack of the tuner, characterized in that it comprises at least one fixing piece extending a predetermined length downward from the lower end of the lower casing so as to be inserted perpendicularly to at least one fixing hole formed through the upper surface of the PCB. . The method of claim 1, The insulating member has an upper insulating material formed with a chamfer in the upper and lower inner peripheral edges of the central hole formed in the center of the body, and a central hole is formed in the center of the body, and is caught by the annular projection projection of the outer casing at the lower end of the body. Surface-mount phone jack of the tuner, characterized in that consisting of a lower insulating material formed with a stepped portion. The method of claim 2, The lower insulating material includes a groove formed on the upper surface of the body and includes a groove for catching the contact piece of the center contactor, and a groove on the arc-shaped cross section in which the protrusion of the outer casing is formed on the outer surface of the body. Brother phone jack. The method of claim 1, The center contactor surface-mounted phone jack of the tuner, characterized in that to form an incision in the longitudinal direction so as to reduce the outer diameter of the body when assembled to the body. The method of claim 1, The fixing piece is composed of a wide upper fixing piece extending from the outer peripheral edge of the outer casing and a narrow lower fixing piece extending downward from the lower end of the upper fixing piece to facilitate insertion into the fixing hole of the PCB. Tuner surface mount phone jack. The method of claim 5, The lower fixing piece is a surface-mounted phone jack of the tuner, characterized in that protruding the embossing for preventing the departure to be difficult to escape after insertion into the fixing hole on the outer surface. The method of claim 1, When two or more fixing pieces are formed at the lower end of the outer casing, the surface-mounted phone jack of the tuner, characterized in that formed at equal intervals in the circumferential direction. The method of claim 1, The fitting terminal piece and the fixing piece is a surface-mounted phone jack of the tuner, characterized in that arranged so as not to overlap each other to facilitate insertion into the terminal fitting hole and the fixing hole of the PCB.