KR101859028B1 - Connecting structure for shell having at least two interlocking holes, shell formed by this connecting structure, and connector comprising this shell - Google Patents

Abstract

The present invention provides a connection structure of a shell capable of coping with a demand for increasing the number of lines even when the substrate occupied area is small and can simultaneously cope with the sharing of components and the facility cost. The object of the present invention is to provide a coupling structure of a shell having at least two fitting holes (5), such as a connecting structure of a shell having at least two fitting holes (5) The first shell 16 and the fitting hole 5 have a U-shaped second shell 18 so that the required number of the second shells 18 are connected to the first shell 16, And the connecting structure of the shells (16, 18) having at least two fitting holes (5) characterized by forming a shell having a fitting hole (5).

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a connector having a shell having at least two fitting holes and a shell formed by the connecting structure, and a connector having the shell and a shell having the shell. [0002] CONNECTING STRUCTURE FOR SHELL HAVING AT LEAST TWO INTERLOCKING HOLES, SHELL FORMED BY THIS CONNECTING STRUCTURE, AND CONNECTOR COMPRISING THIS SHELL}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shell or a connector used in a communication apparatus, a device, or an electronic apparatus. More particularly, the present invention relates to a connection structure of a shell having at least two fittings.

A connector generally has a connector body having at least a plurality of contacts made of metal and a housing as an insulator in which the contacts are arranged and held, and a shell for covering the connector body. The shell is provided with a fitting hole into which a connection object (a mating connector, a board, an optical transceiver, a module, a card, or the like) is inserted. The contact has a contact portion to be in contact with the connection object, a fixing portion to be held by the housing, and a connection portion to be soldered to the substrate. There is a demand for arranging a plurality of such connectors.

Patent Documents 1 (US 7,357,673 B2), Patent Document 2 (US 7,445,55 B2) and Patent Document 3 (US 6,558,191 B2) disclose a plurality of patent documents arranged in plural.

In recent years, as described above, there has been a strong demand for a desire to place a plurality of identical connectors and to reduce the board occupation area as much as possible.

As in Patent Document 3, it is not possible to increase the substrate occupied area by increasing the number of shells by only one shell of a single connector.

In addition, as in Patent Documents 1 and 2, when a plurality of shells are used in connection with each other, it is necessary to prepare facilities corresponding to the number of connections, resulting in a large facility cost. In addition, even when there is a demand from the customer to increase the number of lines by one, it was impossible to immediately cope with the structure of Patent Document 1 or Patent Document 2.

SUMMARY OF THE INVENTION The present invention has been made in view of such conventional problems, and it is an object of the present invention to provide a shell connection structure capable of coping with a demand for small increase in the substrate occupation area, .

The object of the present invention is to provide a connecting structure of a shell having at least two fittings, such as a connecting structure of a shell having at least two fittings according to claim 1, Wherein the fitting portion includes a second shell having a U-shaped cross-section, and a necessary number of the second shells are connected to the first shell, thereby forming a shell having at least two fitting portions. Can be achieved by a connecting structure of a shell having a fitting hole.

According to a second aspect of the present invention, there is provided a connecting structure for a shell having at least two fitting holes, wherein an engaging portion is provided in the second shell and a latching portion is provided in the first shell and the second shell, Wherein the engagement portion is engaged with the at least two fitting portions of the shell.

According to a third aspect of the present invention, there is provided a connecting structure for a shell having at least two fitting holes, wherein the fitting portion is provided with a protruding piece protruding in the opening direction,

A protrusion and a terminal portion are formed as the engaging portion,

And the engagement portion of the protruding piece is engaged with the protrusion and the terminal portion. The connection structure of the shell having at least two fitting portions according to claim 1 or 2 is provided.

The connection structure of the shell having at least two fitting holes described in claim 4 is characterized in that the first shell and the second shell are fixed by welding a predetermined portion of the first shell and the second shell Wherein the shell has at least two fitting portions according to any one of claims 1 to 3.

The shell according to claim 5 is in a shell having at least two fittings using a connecting structure of a shell having at least two fittings according to at least one of claims 1 to 4.

The connector according to claim 6 is the connector having the shell according to claim 5 and a connector body in which a plurality of contacts are held and arranged in the housing.

INDUSTRIAL APPLICABILITY As apparent from the above description, according to the connection structure of the shell having at least two fitting holes of the present invention, the shell formed by the connection structure, and the connector including the shell, the following excellent effects can be obtained.

(1) In a connection structure of a shell having at least two fittings, such as a connecting structure of a shell having at least two fittings as set forth in claim 1, the fitting of the first shell having a rosette- And a second shell having a U-shape in its sphere so that a necessary number of the second shells are connected to the first shell, thereby forming a shell having at least two fittings. The space occupied by the substrate is small and the demand for increasing the number of lines can be coped with immediately, while the parts can be shared and the equipment cost can be suppressed.

(2) The connection structure of a shell having at least two fittings as set forth in claim 2 is characterized in that an engaging section is provided in the second shell and a latching section is provided in the first shell and the second shell, And the engaging portion are engaged with each other, the shell occupying area of the shell is small and the demand to increase one line can be immediately addressed. On the other hand, The parts can be shared, and the equipment cost can be suppressed.

(3) According to a third aspect of the present invention, there is provided a connecting structure for a shell having at least two fitting holes, wherein a protruding piece protruding in the opening direction is provided as the engaging portion and a locking hole is provided in the protruding piece, And the projections and the terminal portions are engaged with each other, and the projections and the terminal portions are engaged with each other, and the projections and the terminal portions are engaged with each other. The area occupied by the substrate is small and the demand for increasing the number of lines can be immediately addressed while the parts can be shared and the equipment cost can be reduced.

(4) The connecting structure of the shell having at least two fitting holes described in claim 4 is characterized in that the first shell and the second shell are fixed by welding a predetermined portion of the first shell and the second shell And a shell structure having at least two fittings as claimed in any one of claims 1 to 3, wherein a simple structure, reliable connection, small area occupied by the substrate, It is possible to cope with the request immediately, and the parts can be shared, and the equipment cost can be suppressed.

(5) The shell according to claim 5 is a shell having at least two fittings using the connecting structure of the shell having at least two fittings according to any one of claims 1 to 4, and therefore has a simple structure, It is possible to reliably connect the substrate, occupy a small area of the substrate, and cope with a demand to increase the number of lines, while also sharing the parts and reducing the equipment cost.

(6) According to a sixth aspect of the present invention, there is provided the connector according to the fifth aspect, wherein the connector has a connector body including a shell in which a plurality of contacts are held and arranged in the housing, The occupied area is small and the demand to increase one line can be immediately responded while the parts can be shared and the equipment cost can be suppressed.

Fig. 1 (A) is a perspective view of a connected shell of the present invention as viewed from the fitting direction. Fig. 1 (B) is a perspective view of the connected shell of the present invention as viewed from the connecting direction. FIG. 1C is a perspective view of the state where the connected shell of the present invention is mounted on a board, as viewed from the fitting direction. FIG.
2 (A) is a perspective view of the connector shell and the connector body of the present invention as seen from the fitting direction. Fig. 2 (B) is a perspective view of the connector shell of the present invention and the connector body as viewed from the connecting direction. Fig. FIG. 2C is a perspective view of the state where the connected shell and the connector body of the present invention are mounted on the board, as viewed from the fitting direction. FIG.
Fig. 3 (A) is a perspective view of the rosette shell viewed from the fitting direction. Fig. 3 (B) is a perspective view of the rosette shell viewed from the connection direction. Fig. 3C is a perspective view of a U-shaped shell as viewed from the fitting direction. 3 (D) is a perspective view showing a U-shaped shell as viewed from the connection direction. Fig. 3 (E) is a perspective view of the end U-shaped shell viewed from the fitting direction. FIG. 3 (F) is a perspective view of the final-stage U-shaped shell viewed from the connection direction.
4 (A) is a perspective view of the connector body as seen from the fitting direction. 4B is a perspective view of the connector main body as viewed from the connection direction. 4 (C) is a cross-sectional view of the connector main body taken at a contact portion.
5 (A) is a perspective view of the first contact. 5B is a perspective view of the second contact.
6 (A) is a perspective view of the housing as viewed from the fitting direction. 6 (B) is a perspective view of the housing as viewed from the connecting direction. 6C is a cross-sectional view of a contact insertion hole portion taken along a plane.

A feature of the present invention resides in that, in a connection structure of a shell having at least two fitting holes (5), such as a connecting structure of a shell having at least two fitting holes (5) (5) has a first shell (16) having a rosette shape and the fitting hole (5) has a second shell (18) And a shell having at least two fittings (5) is formed by connecting the shells (18).

That is, the required number of second shells 18 in a common U-shape are connected to the first shell 16 in a rhomboidal shape.

One embodiment of the connector of the present invention will be described based on the drawings. FIG. 1 (A) is a perspective view of a connected shell of the present invention as viewed from the fitting direction, FIG. 1 (B) is a perspective view of the connected shell of the present invention viewed from the connecting direction, Is a perspective view seen from the fitting direction. FIG. 2 (A) is a perspective view of a connected shell and a connector body of the present invention as viewed from the fitting direction, FIG. 2 (B) is a perspective view of the connected shell and the connector body of the present invention, In which the connector shell and the connector body are mounted on the board, as viewed from the fitting direction. Fig. 3 (A) is a perspective view of a rosette shell viewed from a fitting direction, Fig. 3 (B) is a perspective view of a rosette shell viewed from a connecting direction, (E) is a perspective view of a U-shaped shell of the final stage as viewed from the fitting direction, (F) is a perspective view of the final stage Like shell in a connecting direction. FIG. 4A is a perspective view of the connector body viewed from the fitting direction, FIG. 4B is a perspective view of the connector body viewed from the connecting direction, and FIG. FIG. 5A is a perspective view of the first contact, and FIG. 5B is a perspective view of the second contact. FIG. 6A is a perspective view of the housing viewed from the fitting direction, FIG. 6B is a perspective view of the housing viewed from the connecting direction, and FIG.

The connector 10 of the present invention includes a connector body 11 having at least two types of contacts (first contact 14 and second contact 15) and a housing 12 and two types of shells 16, and a second shell 18). Each of the portions will be described below.

First, two kinds of first shell 16 and second shell 18 will be described. The first shell 16 and the second shell 18 are made of metal and are manufactured by a known press working. As the materials of the first shell 16 and the second shell 18, elasticity, conductivity, etc. are required, brass, beryllium copper, and phosphor bronze can be enumerated. 3, the first shell 16 and the second shell 18 in the present embodiment have a tubular shape having a substantially rhombic cross section, (18) has a substantially U-shaped cross section. Hereinafter, the respective shells 16 and 18 will be described.

The first shell 16 has a top surface 20 and two side surfaces 22 and 22 and a bottom surface 24 and a back surface 26. A part of the bottom surface 24 is connected to the connector body 11, To retract (enter). In the first shell 16, a fitting hole 5 into which a connection object is inserted is formed on one side. That is, the fitting hole 5 is formed by covering the top surface 20, the two side surfaces 22, 22 and the bottom surface 24, and the size and shape of the fitting hole 5 are not limited as long as the connecting object is inserted, The size and shape of the object to be connected, the clearance between the object and the EMC, and the like.

At least one projection 161 is provided on the upper surface 20 and at the same time on one side surface 22 side of the first shell 16. The projections 161 are for fixing or temporarily fixing by engaging with the engaging portions of the second shell 18. In this embodiment, in consideration of the balance of engagement, two are provided on both sides in the long direction. The size and shape of the projections 1 need only be fixed or adjustable, and are appropriately designed in consideration of retention force, composition, strength and workability.

The first shell 16 is provided with a plurality of terminal portions 162 and 163 for mounting on a substrate. Some of the plurality of terminal portions on the second shell 18 side are for engaging with the retaining holes 182 of the projecting pieces 181 of the second shell 18. In the present embodiment, two terminal portions 162 on the side of the fitting tool 5 are engaged with each other, and the other terminal portion 163 is only for mounting on the board. The terminal portion 162 can be engaged with the retaining hole 182 and can be mounted on the board 80. The shape and size of the terminal portion 162 are appropriately designed in consideration of the mounting strength, holding force, workability, and the like. It is sufficient that the terminal portion 163 can be mounted on the substrate 80. The shape and size of the terminal portion 163 are appropriately designed in consideration of the mounting strength and workability.

In the present embodiment, a plurality of contact pieces 28, which are formed by bending, are formed on the entire periphery (outer periphery) of the first shell 16 on the side of the fitting opening 5, excluding the second shell 18, A third contact piece 32 is provided. In this embodiment, a second contact piece (not shown) having the same height as that of the contact piece 28 formed by seaming is disposed between the contact pieces 28 disposed on the upper surface 20 30 are installed. A fourth contact piece 34 is provided on the bottom surface 26 between the contact pieces 28 so as to be locked with the counterpart. This is because the contact piece 28, the second contact piece 30 and the third contact piece 32 are provided in consideration of EMC characteristics. In the present embodiment, the side surface 22 excluding the side of the second shell 18 is the third contact piece 32 formed by the bending process. However, the side surface 22 of the third contact piece 32 The center may be a contact piece formed by seasoning. By doing so, the EMC characteristic is further improved. The shape and the size of the contact piece 28, the second contact piece 30 and the third contact piece 32 need only be in contact with the case and are suitably designed in consideration of EMC characteristics, strength, workability, do.

The second shell 18 has an upper surface 20 and a side surface 22 and a bottom surface 24 and a back surface 26. A portion of the bottom surface 24 is adapted to retract the connector body 11 ). The second shell 18 is provided with a fitting hole 5 (completely formed when another shell is engaged) into which the connection object is inserted, on one side. In other words, the fitting 5 has an upper surface 28, a side surface 22 and a bottom surface 24, and a side surface 22 of another shell (the first shell 16 or the second shell 18) And the size and shape of the fitting tool 5 are appropriately designed in consideration of the size and shape of the connection object, the clearance with respect to the mating object, EMC characteristics, and the like.

The second shell 18 is provided with at least one projecting piece 181 which is at least one engaging portion on the upper surface 20 and the bottom surface 24 and at the same time on the open side. Further, a hooking hole 182 is provided in the projecting piece 181. The retaining hole 182 of the protruding piece 181 is for fixing or taut by engaging with the protrusions 161 and 185 and the terminal portions 162 and 183 of the first shell or the second shell 18. In the present embodiment, in consideration of the balance of engagement, two sides of the upper surface 20 are provided on both sides in the longitudinal direction, and the side of the bottom surface 24 is approximately half the size of the bottom surface 24 in consideration of the strength, Two hooking holes 182 are provided. The size and shape of the protruded piece 181 and the retaining hole 182 are not limited so long as they can be fixed or fixed, and are appropriately designed in consideration of retention force, composition, strength and workability.

At least one protrusion 185 is provided on the upper surface 20 and on the side surface 22 at the same time in the second shell 18. The protrusions 185 are for fixing or temporarily fixing by engaging with the engagement portions of the second shell 18. In this embodiment, in consideration of the balance of engagement, two are provided on both sides in the long direction. The size and shape of the projection 185 need only be fixed or adjustable, and are appropriately designed in consideration of the holding force, the composition, the strength, the workability, and the like.

The second shell 18 is provided with a plurality of terminal portions 183 and 184 for mounting on a substrate. Some of the plurality of terminal portions on the side of the second shell 18 are for engaging with the engagement hole 182 of the projecting piece 181 of the second shell 18. In this embodiment, two terminal portions 183 on the side of the fitting opening 5 are engaged with each other, and the other terminal portion 184 is only for mounting on the substrate. The terminal portion 183 can be engaged with the retaining hole 182 and simultaneously can be mounted on the substrate 80. The shape and size of the terminal portion 183 are appropriately designed in consideration of the mounting strength, . It is sufficient that the terminal portion 184 can be mounted on the substrate 80. The shape and size of the terminal portion 184 are appropriately designed in consideration of the mounting strength and workability.

In the present embodiment, the upper surface 20 and the lower surface 24 of the second shell 18 are provided with a plurality of contact pieces 28 formed by bending. In this embodiment, a second contact piece (not shown) having the same height as that of the contact piece 28 formed by seaming is disposed between the contact pieces 28 disposed on the upper surface 20 30 are installed. A fourth contact piece 34 is provided on the bottom surface 26 between the contact pieces 28 so as to be locked with the counterpart. The reason why the contact piece 28 and the second contact piece 30 are provided as described above is that EMC characteristics are considered. The shape and size of the contact piece 28 and the second contact piece 30 need only be in contact with the case, and are appropriately designed in consideration of EMC characteristics, strength, workability, and the like.

The contact pieces 28 of the other second shell 18 are formed on the side surface 22 of the second shell 18 disposed on the final end side opposite to the first shell 16 in this embodiment. A plurality of third contact pieces 32 formed by bending are provided in addition to the second shell 30 and the fourth shell 34. [ The reason why the third contact piece 32 is provided in this way is that EMC characteristics are taken into consideration. In the present embodiment, the third contact piece 32 is formed by bending. However, the center of the third contact piece 32 having three pieces may be formed at the same height as the third contact piece 32 It may be a contact piece formed by processing. By doing so, the EMC characteristic is further improved. The shape and size of the third contact piece 32 need only be in contact with the case, and are appropriately designed in consideration of EMC characteristics, strength, workability, and the like.

Here, the connection structure between the first shell 16 and the second shell 18 and the connection structure between the two second shells 18 will be described.

The connection structure between the first shell 16 and the second shell 18 is such that the engagement hole 182 of the projecting piece 181 protruding from the upper surface 20 side of the second shell, The protrusion 161 provided on the side of the upper surface 20 of the first shell 16 is engaged with the engagement hole 182 of the protrusion 181 projected from the side of the bottom surface 24 of the second shell, One terminal portion 163 provided on the bottom surface 24 side of the one shell 16 is engaged (the electric terminal portion 163 is inserted into the engagement hole 182). By doing so, the first shell 16 and the second shell 18 are fixed or fixed.

The connection structure of the two second shells 18 is such that the engagement hole 182 of the projecting piece 181 protruding from the upper surface 20 side of the second shell and the engagement hole 182 of the second shell 18 The projections 185 (the opposite side of the projecting pieces 181) provided on the upper surface 20 side are engaged with each other and at the same time, the projections 181 projected from the bottom surface 24 side of the second shell 182) and one terminal portion 183 provided on the side of the bottom surface 24 of the second shell 18 (the opposite side of the projecting piece 181) (the terminal portion 183 is inserted into the engagement hole 182) ). In this way, the second shells 18 are fixed or fixed.

The predetermined portions of the two shells in the temporary fixed state in the positive and negative directions are fixed by welding. The two shells may be the first shell 16, the second shell 18, or the second shells 18, 18. In the present embodiment, the portion to be welded may be the entire periphery of all the projecting pieces 181, or may be two portions of all the projecting pieces 181, or may be any portion of all the projecting pieces 181 (One or more). Laser welding, arc welding, spot welding, and the like are considered as welding. The arbitrary portion means a portion where the fixing strength can be satisfied in the projecting piece 181. The number of the portions may be one, two, or three or more, as long as the fixed strength can be satisfied.

When the first shell 16 and the second shell 18 are connected to each other, two lines are formed. Next, when the second shell 18 and the second shell 18 are connected to each other, . By repeating the connection between the second shell 18 and the second shell 18, it is possible to make a plurality of connections as required.

Next, the housing 12 will be described. The housing 12 is made of an electrically insulating plastic and is manufactured by injection molding of a known technique. The material is suitably selected in consideration of dimensional stability, workability, cost, etc. Generally, polybutylene terephthalate (PBT ), Polyamides (66PA, 46PA), liquid crystal polymers (LCP), polycarbonate (PC), and synthetic materials thereof.

The housing 12 is provided with a required number of insertion holes 122 through which the first contacts 14 and the second contacts 15 are mounted and is fixed by press fitting, have. In the present embodiment, it is fixed by press fitting.

In addition, the housing 12 is provided with an insertion port 121 into which the connection object is inserted. The insertion port 121 may be suitably designed so that the connection object enters, and its shape and size are appropriately designed to follow the connection object.

Finally, the first contact 14 and the second contact 15 will be described. The first contact 14 and the second contact 15 are made of a metal and are formed by a press working of a known technique. In consideration of the elasticity and the like, brass, beryllium copper, and phosphor bronze can be enumerated. The first contact 14 and the second contact 15 are mainly composed of contact portions 141 and 151 which are in contact with a mating member (substrate), fixing portions 142 and 152 fixed to the housing 12, 80 which are connected to each other. The shape of the connection portions 143 and 153 may be a surface mount type (SMT), a dip type, or the like, and is appropriately designed according to specifications and the like. The contact portions 141 and 151 are bent so as to be easily in contact with the counterpart. That is, the counterpart is sandwiched between the contact portion 141 of the first contact 14 and the contact portion 151 of the second contact 15.

The present invention relates to a shell and a connector for use in a communication device, an electric appliance or an electronic appliance, and more particularly to a connection structure of a shell having at least two fitting holes.

5: fitting portion 10: connector 11: connector body
12: housing 121: insertion port 122: insertion hole
14: first contact 141: contact portion 142:
143: connection 15: second contact 151: contact
152: fixing part 153: connecting part 16: first shell (rosette)
161: protrusion (engaging portion) 162: terminal portion (engaging portion)
163: terminal portion 18: second shell (U-shaped)
181: projecting piece (engaging portion) 182: engaging hole 183: terminal portion (engaging portion)
184: terminal portion 20: upper surface 22: side surface
24: bottom surface 26: back surface 28: contact piece
30: second contact piece 32: third contact piece 34: fourth contact piece
36: extension part 80: substrate

Claims (7)

A coupling structure of a shell having at least two fitting holes,
Wherein the fitting portion has a first shell having a rosette shape and the fitting portion has a second shell having a U-shape, and a necessary number of the second shells are connected to the first shell, The branches form a shell,
Wherein the first shell is directly engaged with and connected to the second shell,
Wherein the second shell is directly connected to the first shell or another second shell by being engaged with the first shell or the second shell. The method according to claim 1,
Wherein the second shell has a pair of opposed faces opposed to each other and a pair of opposed faces and a connecting face facing theopening,
Wherein the second shell is connected to the first shell at the opening side facing the connecting surface or to the connecting surface side of the second shell. The connection structure of the branch shell. The method according to claim 1,
Wherein the engaging portion is provided in the second shell and the engaging portion is provided in the first shell and the second shell to engage the engaging portion with the engaging portion. rescue. The method of claim 3,
A protruding piece protruding in the opening direction is provided as the engaging portion and a retaining hole is provided in the protruding piece,
A protrusion and a terminal portion are formed as the engaging portion,
And the protruding portion and the terminal portion are engaged with the engagement hole of the projecting piece. The method according to claim 1,
And the first shell and the second shell are fixed by welding a predetermined portion of the first shell and the second shell to each other. A shell having at least two fittings using a connecting structure of a shell having at least two fittings according to claim 1. A connector comprising: the shell according to claim 6; and a connector body in which a plurality of contacts are held and arranged in the housing.

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