TWM647467U - floating connector - Google Patents

Abstract

The present invention discloses a floating connector for electrically connecting a first connection object and a second connection object to each other. The floating connector includes: a first floating member including a first slot for the first connection object to be inserted; a second floating member including a second slot for the second connection object to be inserted; from the first A plurality of contacts held by the floating member and the second floating member, each contact member including a first contact portion positioned in the first slot and for contacting the first connection object, and a first contact portion positioned in the second slot and a second contact portion for contacting the second connection object; and a housing, the first floating member and the second floating member are floatably supported in the internal space of the housing by the contact members, so that The first floating member and the second floating member are movable in a plane orthogonal to the fitting direction.

Description

floating connector

The invention relates to a connector, especially a floating connector.

Japanese Patent Publication No. 2000-12127 discloses a double-ended card edge connector. This kind of double-ended card edge connector is used to directly connect one card board to another card board to electrically connect each other. It includes: a housing with fitting grooves formed on opposite ends; and a plurality of contacts. The components are connected to a plurality of conductive pads formed at the end edge of each card plate and located on opposite two sides.

However, this card edge connector does not have the function of absorbing installation position errors when each card board is installed on the housing or motherboard. Therefore, the card edge connector may be damaged by mechanical forces, or the card plate inserted into the connector may bend unintentionally. This will cause mechanical force to act on the parts mounted on the pallet, causing the problem that the solder in the mounting part of the parts may detach.

One of the purposes of the present invention is to provide a floating connector that can absorb errors in the installation position of the connected object and prevent damage to the connector or the connected object.

Another object of the present invention is to provide a floating connector that can be miniaturized and is beneficial for use in limited installation spaces.

Another object of the present invention is to provide a floating connector that can reduce the types of parts required for assembling the floating connector.

According to an aspect of the present invention, a floating connector is provided for inserting a first connection object and a second connection object into the floating connector along a first direction, thereby connecting the first connection object and the third connection object. Two connection objects are electrically connected to each other. The floating connector includes: a first floating member including a first slot for the first connection object to be inserted; and a second floating member including a third slot for the second connection object to be inserted. Two slots; a plurality of contact pieces, the plurality of contact pieces are arranged along a second direction perpendicular to the first direction, each of the contact pieces includes a first contact part, a first holding part, a first The elastic part, the connecting part, the second elastic part, the second holding part and the second contact part, the first contact part, the first holding part and the first elastic part are arranged along the first direction and the second direction. The second contact part, the second holding part and the second elastic part are formed in a vertical third direction, and the first contact part is positioned in the first slot and is provided with the third A connection object contacts, the first holding part continues from the first contact part and is held by the first floating member, the first elastic part continues from the first holding part and is connected to the third through the connecting part Two elastic parts, the second contact part is positioned in the second slot and is used for contacting the second connection object, the second holding part continues from the second contact part and is held by the second floating member, the The second elastic part continues from the second holding part; the housing includes an internal space, the first floating part, the second floating part and the contacts The components are received in the internal space, and the first floating component and the second floating component are floatably supported in the internal space by the contact components, wherein the upper inner wall and the lower inner wall of the housing are A plurality of limiting grooves are formed to accommodate the connecting portions of the contact pieces, and the movement of the connecting portions of the contact pieces in the second direction is restricted by the limiting grooves.

The housing is configured to allow the first floating member and the second floating member to move on a plane orthogonal to the first direction.

The housing is configured as a frame-shaped housing, and the frame-shaped housing is configured to allow each of the first floating member and the second floating member to move in the second direction, and to allow the first floating member and the third floating member to move in the second direction. Each of the two floating members moves in a third direction perpendicular to the first direction and the second direction.

A keyway is formed on each side of the frame-like housing. Each of the first floating member and the second floating member includes a key that cooperates with the keyway. The keyway allows the first floating member and the second floating member to The first floating member and the second floating member are restricted from moving in the first direction.

The first floating part and the second floating part can move independently of each other.

Each of the first elastic part and the second elastic part is configured in a substantially V-shape or U-shape.

Each contact piece is integrally formed, the first holding portion of each contact piece has an engagement tab inserted into the first floating piece, and the second holding portion of each contact piece has an engaging tab inserted into the second floating piece. piece.

The housing is composed of a first housing half and a second housing half. One of the first housing half and the second housing half is formed with at least one locking portion. The first housing half and The other of the second housing halves is formed with at least one engagement protrusion engaging the at least one locking portion.

One of the first housing half and the second housing half is formed with at least one positioning pin, and the other of the first housing half and the second housing half is formed with at least one positioning pin. At least one positioning hole corresponding to the pin.

The first floating member and the second floating member have the same shape and size, and the first housing half and the second housing half have the same shape and size.

Those with ordinary knowledge in the technical field to which the present invention belongs can best understand the technical features and other purposes and advantages of the present invention after referring to the description and drawings of the present invention.

1: Floating connector

2: Shell

20:Keyway

21: First shell half

211:Lock arm

212: Locking bump

22: Second shell half

221:Lock arm

222: Locking bump

23:Limit slot

3: The first floating piece

30:Slot

31:Slot

32: slot

33:Key part

4: Second floating piece

43:Key part

5: Contact parts

51:First contact department

52:Second Contact Department

53:First maintenance department

54:Second maintenance part

55:First elastic part

56:Second elastic part

57: Engagement tab

58: Engagement tab

59:Connection part

6: card board

7: card board

D1: Fitting direction

D2: Width direction

D3: Height direction

Figure 1 is a perspective view of a floating connector according to an embodiment of the present invention.

FIG. 2 is a schematic diagram schematically showing a card plate as a connection object being inserted into a floating connector in the mating direction.

Figure 3 is a schematic diagram showing that the card board of the connection object has been inserted into the floating connector.

Figure 4 is an exploded perspective view of a floating connector according to an embodiment of the present invention.

Figure 5 is a perspective view of the floating member of the floating connector.

Figure 6 is a schematic diagram showing a plurality of contact elements fixed on a floating element.

Figure 7 is a schematic diagram showing a plurality of contact elements fixed on two floating elements.

Figure 8 is a front view of the floating connector shown in Figure 1.

Figure 9 is a side view of the floating connector shown in Figure 1.

FIG. 10 is a cross-sectional view taken along line A-A in FIG. 8 .

FIG. 11 is a cross-sectional view taken along line B-B in FIG. 9 .

The floating connector according to the new embodiment of the present invention will be described below with reference to the accompanying drawings. In each drawing, the same components are designated by the same component symbols. Figures are not drawn to scale.

Figure 1 is a perspective view of a floating connector according to an embodiment of the present invention. The entire floating connector is marked with element symbol 1. The floating connector 1 includes a housing 2, a first floating member 3, a second floating member (marked in FIG. 4) and a plurality of contacts 5. In this embodiment, the floating connector 1 is in the form of a double-ended card edge connector. As shown in FIG. 2 , the clamping plates 6 and 7 as connection objects are inserted into the floating connector 1 along the fitting direction D1 (ie, the first direction). FIG. 3 is a schematic diagram schematically showing a state in which the clamping boards 6 and 7 of the connection object are inserted into the floating connector 1. Each of the card plates 6 and 7 has a plurality of conductive pads, commonly known as gold fingers, formed on the upper and lower surfaces of the end edges. When the card boards 6 and 7 are inserted into the floating connector 1, the conductive pad formed on the card board 6 will contact one end of the contact 5 of the floating connector 1, and the conductive pad formed on the card board 7 will contact the floating connector 1. The other end of the contact piece 5 of 1 is in contact. Thereby, the card board 6 and the card board 7 are electrically connected to each other.

Figure 4 is an exploded perspective view of a floating connector according to an embodiment of the present invention. The plurality of contact pieces 5 are held by the first floating piece 3 and the second floating piece 4 and are arranged in two rows with a predetermined spacing from each other in the width direction D2 (ie, the second direction) perpendicular to the fitting direction D1. The housing 2 is composed of a first housing half 21 and a second housing half 22 . The contact pieces 5 in the upper row and the contact pieces 5 in the lower row are aligned in the height direction D3 (ie, the third direction) perpendicular to the fitting direction D1 and the width direction D2 and face each other. The housing 2 is made into a frame-shaped housing including an internal space, and the first floating member 3 , the second floating member 4 and the contact member 5 are accommodated in the internal space. The first floating member 3 and the second floating member 4 are supported in the inner space by the contact member 5 in a floatable manner on a plane orthogonal to the fitting direction D1. In other words, the housing 2 is configured to allow the first floating member 3 and the second floating member 4 to move in the width direction D2 and the height direction D3.

According to the novel embodiment, the first floating member 3 and the second floating member 4 have the same shape and size, and the first housing half 21 and the second housing half 22 also have the same shape and size. Therefore, the types of parts required for assembling the floating connector according to the novel embodiment can be reduced. This is very beneficial for connector manufacturing, assembly costs or parts inventory management.

Figure 5 is a perspective view of the first floating member 3 of the floating connector 1 according to the embodiment of the present invention. FIG. 6 is a schematic diagram showing the contact member 5 being fixed on the first floating member 3 from a perspective different from that of FIG. 5 . FIG. 7 is a schematic diagram showing that one side of the contact member 5 is fixed to the first floating member 3 and the other side is fixed to the second floating member 4 . Since the shape and size of the second floating member 4 are the same as those of the first floating member 3, detailed description of the second floating member 4 is omitted.

As shown in FIG. 5 , a slot 30 for inserting the card plate 6 is formed on the front side of the first floating member 3 . The slot 30 is formed with a guide angle to guide the insertion of the card board 6 . A plurality of slots 31 are formed on the upper inner wall surface of the slot 30 for receiving the contact portions of the upper row of contacts, so that part of the contact portions are exposed from the slots 31 to connect with the upper surface of the card inserted into the slot 30 of conductive pad contact. A plurality of slots 32 are formed on the lower inner wall surface of the slot 30 for receiving the contact portions of the lower row of contacts, so that part of the contact portions are exposed from the slots 32 to contact the conductive pads on the lower surface of the card board 6 piece. The slots 31 and 32 have the function of defining the distance between the contact pieces and guiding the contact portions of the contact pieces.

As shown in FIG. 6 , one end of the contact member 5 is inserted into the first floating member 3 from the rear side of the first floating member 3 opposite to the front side, and is held by the first floating member 3 . FIG. 7 shows an assembly composed of the first floating member 3 , the second floating member 4 and the contact member 5 . The combined system shown in Figure 7 is accommodated in the internal space of the housing 2. The portion of the contact piece 5 in Figure 7 that is exposed to the first floating member 3 and the first floating member 4 (i.e., the first elastic part and the second elastic part to be described later) elastic part and connecting part), so that the first floating member 3 and the first floating member 4 can be supported in the housing 2 in a floating manner.

FIG. 8 is a front view of the floating connector 1 when viewed from the fitting direction D1. FIG. 9 is a side view of the floating connector 1 when viewed from the width direction D2. As shown in FIG. 8 , the size of the opening of the frame-shaped housing 2 is set to allow the first floating member 3 to move in the width direction D2 and the height direction D3. In this embodiment, the movable distance of each of the first floating member 3 and the second floating member 4 in the width direction D2 is set to ±0.55mm, and the movable distance in the height direction D3 is set is ±0.55mm. In addition to using the size of the opening of the housing 2 to determine the possible positions of the first floating member 3 and the second floating member 4 Moving range, according to the floating connector of the new embodiment of the present invention, a keyway 20 is formed on the side of the frame-shaped housing 2, and the keyway 20 and the key portion 33 formed on the side of the first floating member 3 and the second floating member 4 are used. The cooperation between the key portions 33 and 43 allows the key portions 33 and 43 to move in the height direction D3 in the keyway 20 but not in the fitting direction D1. The movable distance of the key portions 33 and 43 in the key groove 20 in the height direction D3 is also set to ±0.55 mm. The first floating member 3 and the second floating member 4 can also be prevented from pitching (ie, swinging around the width direction D2) through the cooperation between the key groove 20 and the key portions 33 and 43.

As can be seen in Figure 4, the first housing half 21 forming the housing 2 is formed with a plurality of locking arms and a plurality of locking protrusions, and the second housing half 22 forming the housing 2 is formed with a plurality of locking arms and a plurality of locking protrusions. Locking bump. As shown in FIG. 9 , when the first housing half 21 and the second housing half 22 are assembled with each other, the locking arm 211 of the first housing half 21 is engaged with the locking protrusion 222 of the second housing half 22 , the locking arm 221 of the second housing half 22 is engaged with the locking protrusion 212 of the first housing half 21, thereby preventing the first housing half 21 and the second housing half 22 from being separated.

Each of the first housing half 21 and the second housing half 22 is formed with a plurality of positioning pins and a plurality of positioning holes parallel to the fitting direction D1. The positioning pin formed in one of the first housing half 21 and the second housing half 22 corresponds to the positioning hole formed in the other one of the first housing half 21 and the second housing half 22 . By means of the positioning pins and positioning holes, the first housing half 21 and the second housing half 22 can be easily aligned in the fitting direction D1.

FIG. 10 is a cross-sectional view taken along line A-A in FIG. 8 . As shown in Figure 10, the contact piece 5 includes a first contact part 51, a first holding part 53, a first elastic part 55, The connecting part 59 , the second elastic part 56 , the second holding part 54 and the second contact part 52 . In order to bring the first floating member 3 and the second floating member 4 close to each other and thereby reduce the size of the floating connector in the fitting direction D1, the contact member 5 is configured as a first contact part 51, a first holding part 53 and a third An elastic part 55 is formed along the height direction D3, and the second contact part 52, the second holding part 54 and the second elastic part 56 are formed along the height direction D3.

The first holding portion 53 continues from the first contact portion 51 and is formed with an engaging tab 57 extending in the fitting direction D1. By inserting the engaging tab 57 into the engaging hole formed in the first floating member 3 in a tightly fitting manner, the first holding part 53 is fixed to the first floating member 3 . The first elastic part 55 extends from the first holding part 53 and is connected to the second elastic part 56 through the connecting part 59 . The second holding portion 54 continues from the second contact portion 52 and is formed with an engaging tab 58 extending in the fitting direction D1. By inserting the engaging tab 58 into the engaging hole formed in the second floating member 4 in a tightly fitting manner, the second holding part 54 is fixed to the second floating member 4 .

The first contact portion 51 and the second contact portion 52 have a substantially L-shape or a substantially V-shape. The first elastic part 55 and the second elastic part 56 have a substantially V-shaped or substantially U-shaped shape, but are not limited thereto. The first elastic part 55 and the second elastic part 56 may also be made into an arc-shaped or meandering shape. .

FIG. 11 is a cross-sectional view taken along line B-B in FIG. 9 . As shown in FIG. 11 , the housing 2 is formed with a plurality of limiting grooves 23 on the upper and lower inner walls for accommodating the connecting portions 59 of the contacts 5 . The movement of the connecting portion 59 of the contact piece 5 in the width direction D2 is restricted by the limiting groove 23 .

Although the present invention has been described and demonstrated with reference to the preferred embodiments, it should be understood that without departing from the spirit and scope of the present invention, any technical field to which the present invention belongs may be modified. For those with ordinary knowledge, there are still many changes and modifications. Therefore, the present invention is not limited to the disclosed embodiments, but is subject to the written description of the appended patent application scope. That is, equal changes and modifications that do not deviate from the patent application scope of the present invention should still be covered by the present invention. Scope.

1: Floating connector

2: Shell

21: First shell half

22: Second shell half

3: The first floating piece

5: Contact parts

Claims (10)

A floating connector for inserting a first connection object and a second connection object into the floating connector along a first direction, thereby electrically connecting the first connection object and the second connection object to each other, the The floating connector includes: a first floating member including a first slot for the first connection object to be inserted; a second floating member including a second slot for the second connection object to be inserted; a plurality of contacts, The plurality of contact pieces are arranged along a second direction perpendicular to the first direction. Each of the contact pieces includes a first contact part, a first holding part, a first elastic part, a connecting part, a second elastic part. part, the second holding part and the second contact part, the first contact part, the first holding part and the first elastic part are formed along a third direction perpendicular to the first direction and the second direction, and the third The two contact parts, the second holding part and the second elastic part are formed along the third direction. The first contact part is positioned in the first slot and is provided for contact with the first connection object. The first The holding part continues from the first contact part and is held by the first floating member. The first elastic part continues from the first holding part and is connected to the second elastic part through the connecting part. The second contact part It is positioned in the second slot and is in contact with the second connection object. The second holding part continues from the second contact part and is held by the second floating member. The second elastic part continues from the second Holding part; housing, including an internal space in which the first floating member, the second floating member and the contact members are accommodated, and the first floating member and the second floating member are connected through the contacts The parts are floatably supported in the inner space, wherein on the outer shell The inner wall and the lower inner wall are formed with a plurality of limiting grooves for accommodating the connecting portions of the contact pieces, and the movement of the connecting portions of the contact pieces in the second direction is restricted by the limiting grooves. The floating connector of claim 1, wherein the housing is configured to allow the first floating member and the second floating member to move on a plane orthogonal to the first direction. The floating connector of claim 1, wherein the housing is configured as a frame-shaped housing, and the frame-shaped housing is configured to allow each of the first floating member and the second floating member to move in the second direction, And each of the first floating member and the second floating member is allowed to move in a third direction perpendicular to the first direction and the second direction. The floating connector of claim 3, wherein a keyway is formed on each side of the frame-shaped housing, and each of the first floating member and the second floating member includes a key that matches the keyway, and the keyway allows The first floating member and the second floating member move in the third direction, but restrict the first floating member and the second floating member from moving in the first direction. The floating connector of any one of claims 1 to 4, wherein the first floating member and the second floating member are movable independently of each other. The floating connector of any one of claims 1 to 4, wherein each of the first elastic portion and the second elastic portion is configured in a substantially V-shape or U-shape. The floating connector according to any one of claims 1 to 4, wherein each of the contact pieces is integrally formed, and the first holding portion of each of the contact pieces has a An engagement tab is inserted into the first floating member, and the second retaining portion of each contact member has an engaging tab inserted into the second floating member. The floating connector of any one of claims 1 to 4, wherein the housing is composed of a first housing half and a second housing half, one of the first housing half and the second housing half At least one locking portion is formed, and the other one of the first housing half and the second housing half is formed with at least one engagement protrusion engaging with the at least one locking portion. The floating connector of claim 8, wherein one of the first housing half and the second housing half is formed with at least one positioning pin, and the other of the first housing half and the second housing half is Or, at least one positioning hole corresponding to the at least one positioning pin is formed. The floating connector of claim 9, wherein the first floating member and the second floating member have the same shape and size, and the first housing half and the second housing half have the same shape and size.

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