Floating connector and connector unit

Abstract

To provide a floating connector and a connector unit that can realize higher transmission speeds.SOLUTION: A floating connector 1 includes a fixed housing 11, a fixed signal terminal 12, a fixed shield terminal 13, a movable housing 21, a movable signal terminal 22, a movable shield terminal 23, and a coaxial cable 50. The coaxial cable 50 includes a central conductor made of a conductive material, and an outer conductor made of a conductive material that is provided around the central conductor with an insulator interposed therebetween. The central conductor connects the fixed signal terminal 12 and the movable signal terminal 22, and the outer conductor connects the fixed shield terminal 13 and the movable shield terminal 23.SELECTED DRAWING: Figure 6

Description

[Technical field]

[0001] The present invention relates to a floating connector and a connector unit. [Background technology]

[0002] Patent Document 1 discloses a first connector including a housing, a connector insulation displacement terminal held in the housing, and a covered electric wire for connecting a wiring board to the connector insulation displacement terminal. The housing is supported so as to be horizontally movable relative to a base fixed to the wiring board. In the connector described in Patent Document 1, the housing is allowed to move in a floating manner relative to the base by deflection of the covered electric wire. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Publication No. 11-265758 Summary of the Invention [Problem to be solved by the invention]

[0004] In recent years, there has been a demand for such floating connectors to accommodate higher transmission speeds, but the one described in Patent Document 1 leaves room for improvement in terms of transmission characteristics.

[0005] The present invention has been made in view of the above-mentioned circumstances, and an object of the present invention is to provide a floating connector and a connector unit that can realize a higher transmission speed. [Means for solving the problem]

[0006] In order to achieve the above object, a floating connector according to a first aspect of the present invention comprises: A fixed housing; a fixed signal terminal held in the fixed housing; a fixed shield terminal that covers at least a part of the fixed signal terminal to provide electromagnetic shielding; a movable housing provided so as to be movable relative to the fixed housing; a movable signal terminal held by the movable housing; a movable shield terminal that covers at least a part of the movable signal terminal to provide electromagnetic shielding; a coaxial cable including a central conductor made of a conductive material, and an outer conductor made of a conductive material and provided around the central conductor with an insulator interposed therebetween; The central conductor connects the fixed signal terminal and the movable signal terminal, and the outer conductor connects the fixed shield terminal and the movable shield terminal.

[0007] The coaxial cable may be formed to be flexible, so that it is possible to maintain the connection between the fixed signal terminal and the movable signal terminal while allowing for positional misalignment of one of the fixed signal terminal and the movable signal terminal relative to the other of the fixed signal terminal and the movable signal terminal.

[0008] a fixed ground bar held by the fixed housing; a movable ground bar held by the movable housing; The fixed shield terminal may be connected to the fixed ground bar, and the movable shield terminal may be connected to the movable ground bar.

[0009] a mating connector to be connected has a mating signal terminal connected to the movable signal terminal and a mating shield terminal connected to the movable shield terminal, A contact portion where the movable signal terminal and the mating signal terminal are in contact with each other may be covered by at least one of the movable shield terminal and the mating shield terminal.

[0010] the movable shield terminal is formed in a shape such that at least a portion of the movable shield terminal overlaps with the mating shield terminal, The contact portion may be covered by the movable shield terminal and the mating shield terminal.

[0011] The mating connector has a mating housing that holds the mating signal terminal and a mating ground bar that is held by the mating housing, The mating shield terminal may be connected to the mating ground bar.

[0012] A connector unit according to a second aspect of the present invention comprises: A floating connector according to a first aspect of the present invention; and a mating connector to be connected. Effect of the Invention

[0013] The present invention can provide a floating connector and a connector unit that can achieve higher transmission speeds. [Brief description of the drawings]

[0014] [Figure 1] 1 is a perspective view of a connector unit according to an embodiment of the present invention; [Diagram 2] FIG. 2 is an exploded perspective view of the connector unit. [Diagram 3] FIG. [Figure 4] 4 is a cross-sectional view taken along line AA in FIG. [Diagram 5] FIG. [Figure 6] FIG. 2 is an exploded cross-sectional view of the connector unit. [Figure 7] FIG. 2 is an exploded perspective view of the floating connector. [Figure 8] FIG. 2 is a perspective view of a coaxial cable, a fixed shield terminal, and a movable shield terminal. [Figure 9] FIG. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0015] A floating connector 1 according to an embodiment of the present invention and a connector unit 100 including the same will be described below with reference to the drawings. For ease of understanding, mutually orthogonal XYZ coordinates are set and referred to as appropriate. The -Z direction of the XYZ coordinates is the same as the mounting direction in which the floating connector 1 is mounted to the mating connector 90, as shown in Figures 1 and 2. The XY plane is a plane parallel to the mounting surface of the circuit board B2 to which the mating connector 90 is connected.

[0016] In this embodiment, the connector unit 100 is, for example, an electronic circuit component provided in an automobile component, as shown in Fig. 1. The connector unit 100 is, for example, a board-to-board connector (B to B connector) used to connect a circuit board B1 and a circuit board B2.

[0017] In this embodiment, the circuit board B1 is a printed wiring board having a conductive electrode portion formed on one flat surface. However, this is not limited to this. The circuit board B1 is not limited to a printed wiring board, and may be other types of boards. This circuit board B1 is disposed parallel to the XZ plane.

[0018] In this embodiment, the circuit board B2 is a printed wiring board having a conductive electrode portion formed on one flat surface, similar to the circuit board B1. However, this is not limited to this. The circuit board B2 is not limited to a printed wiring board, and may be another type of board. This circuit board B2 is disposed parallel to the XY plane so that the surface on which the electrode portion is formed is perpendicular to the surface on which the electrode portion of the circuit board B1 is formed.

[0019] The connector unit 100 that connects the circuit board B1 and the circuit board B2 as described above includes the floating connector 1 and a mating connector 90, as shown in FIGS.

[0020] As shown in FIG. 4, the floating connector 1 includes a fixed connector 10, a movable connector 20 that is provided so as to be capable of floating relative to the fixed connector 10, and a coaxial cable 50.

[0021] As shown in FIG. 5, the coaxial cable 50 has a central conductor 51, an insulator 52, an outer conductor 53, and a coating .

[0022] The central conductor 51 is made of a conductive material and propagates a high-frequency signal.

[0023] The insulator 52 is made of an insulating material and is disposed between the central conductor 51 and the outer conductor 53 so as to cover the central conductor 51.

[0024] The outer conductor 53 is made of a conductive material. For example, the outer conductor 53 is formed as a braided portion in which metal wires are combined to form a braid. However, the outer conductor 53 is not limited to this. The outer conductor 53 may be formed of something other than a braided portion.

[0025] The covering portion 54 is made of an insulating material and covers the central conductor 51, the insulator 52, and the outer conductor 53 to protect these components.

[0026] The coaxial cable 50 configured as described above is formed to be flexible, as shown in Fig. 2. Due to this flexibility, the coaxial cable 50 is used by being bent from the bent portion 50a as a base point.

[0027] As shown in FIG. 4, the fixed connector 10 has a fixed housing 11, a fixed signal terminal 12, a fixed shield terminal 13, and a fixed ground bar 14.

[0028] As shown in Fig. 6, the circuit board B1 is attached to the fixed housing 11. Thus, the fixed housing 11 is formed as a housing fixed to the circuit board B1. The fixed housing 11 is made of an insulating material, for example, resin. The fixed housing 11 is composed of a first part 11-1 and two second parts 11-2. The first part 11-1 is a part that forms the outer frame of the fixed housing 11, and the second part 11-2 is a part that holds the fixed signal terminals 12 and the fixed ground bar 14, and is fitted into the first part 11-1 and disposed inside the first part 11-1.

[0029] The fixed housing 11, which is composed of a first part 11-1 and two second parts 11-2, is formed in a shape extending in the X-axis direction. The length of the fixed housing 11 in the X-axis direction is appropriately changed depending on the number of fixed signal terminals 12 and fixed shield terminals 13 that the fixed housing 11 has. As shown in FIG. 7, a power supply member arrangement part 11b is formed at both the +X side end and the -X side end of the fixed housing 11, in which terminals and cables for power supply (not shown) are arranged. Between the pair of power supply member arrangement parts 11b, a main arrangement part 11a is formed in which the fixed signal terminals 12 (see FIG. 6), the fixed shield terminals 13, and the fixed ground bar 14 are arranged. The main arrangement part 11a and the power supply member arrangement part 11b are separated by a partition wall. The length of the main arrangement part 11a in the X-axis direction is appropriately changed depending on the number of fixed signal terminals 12 (see FIG. 6) and fixed shield terminals 13 that the fixed connector 10 has.

[0030] As shown in FIG. 6, the fixed signal terminal 12 is held by the fixed housing 11. The fixed signal terminal 12 is made of a conductive material. More specifically, the fixed signal terminal 12 is formed, for example, by press molding a metal plate material. The fixed signal terminal 12 is integrally formed in the second part 11-2 of the fixed housing 11 by, for example, injection molding. In the present embodiment, a plurality of fixed signal terminals 12 are held by the fixed housing 11. More specifically, the plurality of fixed signal terminals 12 are held in two stages in the Z-axis direction, and, for example, 48 fixed signal terminals are held in each stage along the X-axis direction. However, this is not limited to this. The number of fixed signal terminals 12 may be changed depending on the application of the floating connector 1, etc. The number of fixed signal terminals 12 other than the number shown in the embodiment may be held by the fixed housing 11. The tip 12a on the +Y side of the fixed signal terminal 12 is bent so as to be parallel to the surface of the circuit board B1. A tip 12a on the +Y side of the fixed signal terminal 12 is mounted on, for example, a conductive portion of the circuit board B1.

[0031] As shown in Fig. 6 and Fig. 8, the fixed shield terminal 13 is a member that covers at least a part of the fixed signal terminal 12 to provide electromagnetic shielding. The fixed shield terminal 13 is made of a conductive material. Specifically, the fixed shield terminal 13 is formed, for example, by bending a metal plate into a rectangular tube shape having a top plate portion 13a and side wall portions 13b, 13c. In this embodiment, the fixed shield terminals 13 cover two fixed signal terminals 12 each, and a plurality of fixed shield terminals 13 are arranged in the fixed housing 11.

[0032] The fixed ground bar 14 is held by the fixed housing 11, as shown in Figs. 6 and 7. The fixed ground bar 14 is made of a conductive material, for example, a metal. The fixed ground bar 14 is provided, for example, in a state of being embedded in the second part 11-2 of the fixed housing 11. In addition, a plurality of fixed shield terminals 13 are fixed to the fixed ground bar 14. As a result, the fixed ground bar 14 is electrically connected to each of the fixed shield terminals 13. The fixed ground bar 14 functions as a ground terminal. In this embodiment, the fixed connector 10 includes two fixed ground bars 14.

[0033] As shown in FIG. 7, the fixed connector 10 has two fixing metal fittings 15 in addition to the fixed housing 11 and the like.

[0034] 1, the fixing metal fittings 15 are members that are arranged on both the side surface 11c closer to +X and the side surface 11c closer to -X of the fixed housing 11 and are fixed to the surface of the circuit board B1. The fixing metal fittings 15 firmly fix the fixed housing 11 and the circuit board B1.

[0035] As shown in FIG. 6, the movable connector 20 has a movable housing 21, a movable signal terminal 22, a movable shield terminal 23, and a movable ground bar 24.

[0036] The movable housing 21 is provided so as to be movable relative to the fixed housing 11. Specifically, in this embodiment, the movable housing 21 is provided so as to be movable relative to the fixed housing 11 in a direction parallel to the XY plane. As a result, the movable housing 21 is formed as a housing capable of floating relative to the fixed housing 11. The movable housing 21 is made of an insulating material, for example, resin. The movable housing 21 is composed of a first part 21-1 and two second parts 21-2. The first part 21-1 is a part that becomes the outer frame of the movable housing 21, and the second part 21-2 is a part that holds the movable signal terminal 22 and the movable ground bar 24, and is fitted into the first part 21-1 and disposed inside the first part 21-1.

[0037] The movable housing 21, which is composed of a first part 21-1 and two second parts 21-2, is formed in a shape extending in the X-axis direction. The length of the movable housing 21 in the X-axis direction is appropriately changed depending on the number of movable signal terminals 22 and movable shield terminals 23 that the movable housing 21 has. As shown in FIG. 7, a power supply member arrangement part 21b is formed at both the +X side end and the -X side end of the movable housing 21, in which terminals and cables for power supply (not shown) are arranged. Between the pair of power supply member arrangement parts 21b, a main arrangement part 21a is formed in which the movable signal terminals 22 (see FIG. 6), the movable shield terminals 23, and the movable ground bar 24 are arranged. The main arrangement part 21a and the power supply member arrangement part 21b are separated by a partition wall. The length of the main arrangement part 21a in the X-axis direction is appropriately changed depending on the number of movable signal terminals 22 (see FIG. 6) and movable shield terminals 23 that the movable connector 20 has.

[0038] As shown in FIG. 6, the movable signal terminal 22 is held by the movable housing 21. The movable signal terminal 22 is made of a conductive material. More specifically, the movable signal terminal 22 is formed, for example, by press molding a metal plate material. The movable signal terminal 22 is integrally formed in the second part 21-2 of the movable housing 21 by, for example, injection molding. In the present embodiment, a plurality of movable signal terminals 22 are held by the movable housing 21. More specifically, the plurality of movable signal terminals 22 are held in two stages in the Y-axis direction, and, for example, 48 movable signal terminals are held in each stage along the X-axis direction. However, this is not limited to this. The number of movable signal terminals 22 may be changed depending on the application of the floating connector 1, etc. The number of movable signal terminals 22 other than the number shown in the embodiment may be held by the movable housing 21. The movable signal terminal 22 is connected to the fixed signal terminal 12 by the central conductor 51 (see FIG. 5) of the coaxial cable 50.

[0039] As shown in Fig. 6 and Fig. 8, the movable shield terminal 23 is a member that electromagnetically shields by covering at least a part of the movable signal terminal 22. The movable shield terminal 23 is made of a conductive material. Specifically, the movable shield terminal 23 is formed, for example, by bending a metal plate material into a rectangular tube shape having a top plate portion 23a and side wall portions 23b, 23c. In the present embodiment, the movable shield terminals 23 cover two each of the movable signal terminals 22, and a plurality of the movable shield terminals 23 are arranged in the movable housing 21. The movable shield terminals 23 are connected to the fixed shield terminal 13 by an outer conductor 53 (see Fig. 5) of the coaxial cable 50.

[0040] The movable ground bar 24 is held by the movable housing 21, as shown in Figs. 6 and 7. The movable ground bar 24 is made of a conductive material, for example, a metal. The movable ground bar 24 is provided, for example, in a state of being embedded in the second part 21-2 of the movable housing 21. In addition, a plurality of movable shield terminals 23 are fixed to the movable ground bar 24. As a result, the movable ground bar 24 is electrically connected to each of the movable shield terminals 23. The movable ground bar 24 functions as a ground terminal. In this embodiment, the movable connector 20 includes two movable ground bars 24.

[0041] 6 and 7, in the floating connector 1 configured as described above, the coaxial cable 50 is provided so as to be able to maintain the connection between the fixed signal terminal 12 and the movable signal terminal 22 while allowing for misalignment of one of the fixed signal terminal 12 and the movable signal terminal 22 with respect to the other of the fixed signal terminal 12 and the movable signal terminal 22 due to its flexibility. This provides the floating connector 1 with a floating function that allows the movable connector 20 to move in a floating direction D1 perpendicular to the Z-axis direction with respect to the fixed connector 10. Also, the floating connector 1 is attached by moving in the -Z direction with respect to the mating connector 90 as shown in FIG.

[0042] 6, the mating connector 90 is a connection target of the floating connector 1. The mating connector 90 has a mating housing 91, a mating signal terminal 92, a mating shield terminal 93, and a mating ground bar 94.

[0043] A circuit board B2 is attached to the mating housing 91. This mating housing 91 is made of an insulating material, for example, resin. As shown in Fig. 9, the mating housing 91 is composed of a first part 91A and two second parts 91B. The first part 91A is a part that forms the outer frame of the mating housing 91, and the second part 91B is a part that holds the mating signal terminal 92 and the mating ground bar 94, and is fitted into the first part 91A and disposed inside the first part 91A.

[0044] A mating housing 91 composed of a first part 91A and two second parts 91B is formed in a shape extending in the X-axis direction. The length of the mating housing 91 in the X-axis direction is changed appropriately depending on the number of mating signal terminals 92 and mating shield terminals 93 of the mating connector 90.

[0045] As shown in FIG. 6 and FIG. 9, the mating signal terminal 92 is held in the mating housing 91. The mating signal terminal 92 is made of a conductive material. More specifically, the mating signal terminal 92 is formed, for example, by press molding a metal plate material. The mating signal terminal 92 is integrally formed in the second part 91B of the mating housing 91, for example, by injection molding. In the present embodiment, a plurality of mating signal terminals 92 are held in the mating housing 91. More specifically, the plurality of mating signal terminals 92 are held in two stages in the Y-axis direction, and, for example, 48 mating signal terminals are held in each stage along the X-axis direction. However, this is not limited to this. The number of mating signal terminals 92 may be changed depending on the application of the floating connector 1, etc. The number of mating signal terminals 92 other than the number shown in the embodiment may be held in the mating housing 91. The tip 92a on the -Z side of the mating signal terminal 92 is bent so as to be parallel to the surface of the circuit board B2. A tip 92a on the +Y side of the mating signal terminal 92 is mounted on, for example, a conductive portion of the circuit board B2.

[0046] The mating shield terminal 93 is a member that electromagnetically shields by covering at least a part of the mating signal terminal 92. The mating shield terminal 93 is made of a conductive material. Specifically, the mating shield terminal 93 is formed, for example, by bending a metal plate material into a rectangular tube shape having a top plate portion 93a and side wall portions 93b, 93c. In the present embodiment, the mating shield terminals 93 cover two mating signal terminals 92 each, and a plurality of mating shield terminals 93 are arranged in the mating housing 91.

[0047] 4, the movable shield terminal 23 is formed at a portion S1 at least partially overlapping with the mating shield terminal 93. A contact portion C1 where the movable signal terminal 22 and the mating signal terminal 92 contact is covered by both the movable shield terminal 23 and the mating shield terminal 93 by the overlapping portion S1.

[0048] As shown in Figs. 6 and 9, the mating ground bar 94 is held by the mating housing 91. This mating ground bar 94 is made of a conductive material, for example, metal. For example, the mating ground bar 94 is provided in a state of being embedded in the second part 91B of the mating housing 91. In addition, a plurality of mating shield terminals 93 are attached and fixed to the mating ground bar 94. As a result, the mating ground bar 94 is electrically connected to each of the mating shield terminals 93. This mating ground bar 94 functions as a ground terminal. In this embodiment, the mating connector 90 includes two mating ground bars 94.

[0049] As shown in FIG. 9, the mating connector 90 has two fixing metal fittings 95 in addition to the mating housing 91 and the like.

[0050] 1, the fixing metal fittings 95 are members that are arranged on both the side faces of the mating housing 91 closer to +X and the side faces closer to -X, and are fixed to the surface of the circuit board B2. The fixing metal fittings 95 firmly fix the mating housing 91 and the circuit board B2.

[0051] As described above, in the floating connector 1 according to the present embodiment, as shown in FIG. 6, the fixed signal terminal 12 is connected to the movable signal terminal 22 by the central conductor 51 (see FIG. 5) of the coaxial cable 50. The fixed shield terminal 13 is connected to the movable shield terminal 23 by the outer conductor 53 (see FIG. 5) of the coaxial cable 50. Therefore, in the floating connector 1 according to the present embodiment, the fixed signal terminal 12 and the movable signal terminal 22 are covered by the fixed shield terminal 13 and the movable shield terminal 23, so that it is possible to realize an increase in the speed of signals flowing through the fixed signal terminal 12 and the movable signal terminal 22. For example, compared to a floating connector in which a metal wire or a metal terminal is used instead of the coaxial cable 50, this embodiment can realize a higher transmission speed.

[0052] Furthermore, in the floating connector 1 according to this embodiment, the coaxial cable 50 is formed to be flexible. Therefore, the coaxial cable 50 is provided to be able to maintain the connection between the fixed signal terminal 12 and the movable signal terminal 22 while allowing misalignment of one of the fixed signal terminal 12 and the movable signal terminal 22 with respect to the other of the fixed signal terminal 12 and the movable signal terminal 22. As a result, the floating connector 1 according to this embodiment can achieve a high transmission speed while having the function of allowing or absorbing the misalignment.

[0053] In the floating connector 1 according to this embodiment, the fixed shield terminal 13 is connected to the fixed ground bar 14, and the movable shield terminal 23 is connected to the movable ground bar 24. This makes it possible to further increase the transmission speed in this embodiment.

[0054] Furthermore, in the floating connector 1 according to this embodiment, one fixed ground bar 14 is connected to multiple fixed shield terminals 13, and one movable ground bar 24 is connected to multiple movable shield terminals 23. Therefore, even if there are a large number of fixed signal terminals 12 and movable signal terminals 22, this embodiment can suppress the potential difference between each fixed shield terminal 13 and each movable shield terminal 23. As a result, this embodiment can achieve a higher transmission speed.

[0055] 4, in the floating connector 1 according to this embodiment, the contact portion C1 is covered by both the movable shield terminal 23 and the mating shield terminal 93 through the overlapping portion S1. This makes it possible to further increase the transmission speed in this embodiment.

[0056] Moreover, in the floating connector 1 according to this embodiment, the mating shield terminal 93 is connected to the mating ground bar 94. This makes it possible to further increase the transmission speed in this embodiment.

[0057] Although the embodiment of the present invention has been described above, the present invention is not limited to the above embodiment.

[0058] For example, in this embodiment, the connector unit 100 is a board-to-board connector (B to B connector) used to connect a circuit board B1 and a circuit board B2 as shown in Figures 1 and 2. However, this is not limited to this. At least one of the circuit boards B1 and B2, which are the connection targets of the connector unit 100, may be something other than a circuit board. For example, the connection target of the connector unit 100 may be a cable.

[0059] 4, in the present embodiment, the movable shield terminal 23 is formed with a portion S1 that overlaps with the mating shield terminal 93 at least in part. The contact portion C1 is covered by both the movable shield terminal 23 and the mating shield terminal 93 due to the overlapping portion S1. However, this is not limited to this. The contact portion C1 may be covered by one of the movable shield terminal 23 and the mating shield terminal 93.

[0060] The present invention allows various embodiments and modifications without departing from the broad spirit and scope of the present invention. The above-described embodiments are for the purpose of explaining the present invention and do not limit the scope of the present invention. [Explanation of symbols]

[0061] 1: floating connector, 10: fixed connector, 11: fixed housing, 11-1: first part, 11-2: second part, 11a: main arrangement part, 11b: power supply member arrangement part, 11c: side, 12: fixed signal terminal, 12a: tip, 13: fixed shield terminal, 13a: top plate part, 13b, 13c: side wall part, 14: fixed ground bar, 15: fixing metal fitting, 20: movable connector, 21: movable housing, 21-1: first part, 21-2: second part, 21a: main arrangement part, 21b: power supply member arrangement part, 22: movable signal terminal, 23: movable shield terminal, 23a: top plate part, 2 3b, 23c: side wall portion, 24: movable ground bar, 50: coaxial cable, 50a: bent portion, 51: center conductor, 52: insulator, 53: outer conductor, 54: coating portion, 90: mating connector, 91: mating housing, 91A: first part, 91B: second part, 92: mating signal terminal, 92a: tip, 93: mating shield terminal, 93a: top plate portion, 93b, 93c: side wall portion, 94: mating ground bar, 95: fixing bracket, 100: connector unit, B1, B2: circuit board, C1: contact portion, D1: floating direction, S1: overlapping portion (of the movable shield terminal and the mating shield terminal).

Claims

1. A fixed housing; a fixed signal terminal held in the fixed housing; a fixed shield terminal that covers at least a part of the fixed signal terminal to provide electromagnetic shielding; a movable housing provided so as to be movable relative to the fixed housing; a movable signal terminal held by the movable housing; a movable shield terminal that covers at least a part of the movable signal terminal to provide electromagnetic shielding; a coaxial cable including a central conductor made of a conductive material, and an outer conductor made of a conductive material and provided around the central conductor with an insulator interposed therebetween; The central conductor connects the fixed signal terminal and the movable signal terminal, and the outer conductor connects the fixed shield terminal and the movable shield terminal.

2. 2. The floating connector according to claim 1, wherein the coaxial cable is formed to be flexible, thereby allowing for positional misalignment of one of the fixed signal terminal and the movable signal terminal relative to the other of the fixed signal terminal and the movable signal terminal while being capable of maintaining a connection between the fixed signal terminal and the movable signal terminal.

3. a fixed ground bar held by the fixed housing; a movable ground bar held by the movable housing; 2. The floating connector of claim 1, wherein the fixed shield terminal is connected to the fixed ground bar and the movable shield terminal is connected to the movable ground bar.

4. a mating connector to be connected has a mating signal terminal connected to the movable signal terminal and a mating shield terminal connected to the movable shield terminal, 2. The floating connector according to claim 1, wherein a contact portion where the movable signal terminal and the mating signal terminal come into contact is covered by at least one of the movable shield terminal and the mating shield terminal.

5. the movable shield terminal is formed in a shape such that at least a portion of the movable shield terminal overlaps with the mating shield terminal, The floating connector according to claim 4 , wherein the contact portion is covered by the movable shield terminal and the mating shield terminal.

6. The mating connector has a mating housing that holds the mating signal terminal and a mating ground bar that is held by the mating housing, The floating connector according to claim 4 , wherein the mating shield terminal is connected to the mating ground bar.

7. A floating connector according to any one of claims 1 to 6; A connector unit comprising: a mating connector to be connected.

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