Connector and connector assembly

Abstract

The present invention discloses a connector and a connector assembly. The connector comprises: a housing (1) having a height direction (Z); a core (2) installed in the housing (1); and a terminal (3) provided in the core (2) and extending along the height direction (Z). The core (2) is floatingly installed in the housing (1) and can be moved with respect to the housing (1) in a direction perpendicular to the height direction (Z). In the present invention, the core is floatingly installed in the housing, so that even if there is a misalignment between the connector and the mating connector, smooth connection of the connector and the mating connector can be ensured without causing damage to the connector and the mating connector.

Description

Cross-reference to related patent applications

[0001] This application claims the benefit of Chinese Patent Application No. CN202420072401.7 filed with the State Intellectual Property Office of China on January 11, 2024, the entire disclosure of which is incorporated herein by reference. Background of the inventionField of the invention

[0002] The present invention relates to a connector and a connector assembly comprising the connector. Description of the state of the art

[0003] A heavy-duty connector typically includes a housing, a core, and terminals. The core is fixed in the housing, and the terminals are installed in the core. In the prior art, the core cannot float relative to the housing. Therefore, if there is a misalignment between the heavy-duty connector and the mating heavy-duty connector, it will be difficult for the two to mate, and in serious cases, the two mated connectors may be damaged. Furthermore, in the prior art, there is no waterproof structure between the heavy-duty connector and the mounting plate, as well as between the heavy-duty connector and the mating heavy-duty connector, making it easy for water vapor to penetrate the interior of the heavy-duty connector, leading to damage and failure of the heavy-duty connector. Summary of the invention

[0004] The present invention has been made to eliminate or mitigate at least one aspect of the above-mentioned disadvantages.

[0005] According to one aspect of the present invention, a connector is provided. The connector includes: a housing having a height direction; a core installed in the housing; and a terminal provided in the core and extending along the height direction. The core is floatingly installed in the housing and can move relative to the housing in a direction perpendicular to the height direction.

[0006] According to an exemplary embodiment of the invention, a first connection hole is formed in the core and a first threaded bore is formed in the housing, the connector further comprises a first threaded connector passing through the first connection hole and screwed into the first threaded bore; the diameter of the first threaded connector is smaller than the first connection hole, and the axial direction of the first connection hole and the first threaded bore is parallel to the height direction, so that the core can move relative to the housing in a radial direction of the first connection hole.

[0007] According to another exemplary embodiment of the present invention, the core includes a first connecting ear, and the housing includes a first installation portion protruding from the bottom wall of the housing. The first connecting hole and the first threaded bore are formed in the first connecting ear and the first installation portion, respectively. The distance between the head of the first threaded connector and the first installation portion in the height direction is greater than the thickness of the first connecting ear in the height direction, so that the core can be moved relative to the housing in the height direction.

[0008] According to another exemplary embodiment of the present invention, the first communication ear has a first upper surface and bottom surface that are opposite in the height direction, and a first side surface that is connected between the first upper surface and bottom surface and is perpendicular to the longitudinal direction of the housing; the first communication hole extends between the first upper surface and the first bottom surface and has a side opening formed in the first side surface, so that the first communication hole is a semicircular slit hole with a side opening.

[0009] According to another exemplary embodiment of the present invention, the core includes a pair of first connecting ears opposite to each other in the longitudinal direction of the housing, and the housing includes a pair of first installation portions corresponding to the pair of first connecting ears, respectively; the connector includes a pair of first threaded fittings connecting the pair of first connecting ears to the pair of first installation portions, respectively.

[0010] According to another exemplary embodiment of the present invention, the connector further comprises: a first installation plate formed with a first installation opening; and a first seal ring provided between the bottom wall of the housing and the first installation plate. The bottom wall of the housing is fixed to the first installation plate and formed with a bottom opening corresponding to the first installation opening for a first cable to penetrate; a first seal ring installation groove is formed on the bottom wall of the housing for installing and positioning a first seal ring, the first seal ring surrounding the first installation opening and being compressed between the bottom wall of the housing and the first installation plate to achieve a seal therebetween.

[0011] According to another exemplary embodiment of the present invention, a first threaded connection hole is formed in the first installation plate, and the connector further comprises a first screw that passes through the bottom wall of the housing and a through hole formed in the first sealing ring and is screwed into the first threaded connection hole to fix the housing to the first installation plate.

[0012] According to another exemplary embodiment of the present invention, a first anti-malfunction hole is formed in the bottom of one side of the housing and a first anti-malfunction protrusion is formed on the first installation plate, the first anti-malfunction protrusion cooperates with the first anti-malfunction hole to prevent the housing from being installed on the first installation plate in an incorrect orientation.

[0013] According to another exemplary embodiment of the present invention, the connector further comprises a first end cap installed on one end of the core and having a first locking portion abutting against the end face of one end of the terminal to prevent the terminal from being pulled out of the core, a first elastic buckle is formed on the first end cap, and the first elastic buckle is fixed to one end of the core.

[0014] According to another exemplary embodiment of the present invention, a first cable hole is formed in the first end cap to allow a first cable to penetrate therethrough, the first cable is electrically connected to one end of the terminal and is led out from the core through the first cable hole, the other end of the terminal is used for connection to a mating terminal of a mating connector.

[0015] According to another exemplary embodiment of the present invention, the connector further comprises an elastic sealing ring fitted on the peripheral wall of the housing, the elastic sealing ring being configured to be compressed between the housing of the connector and a mating housing of a mating connector to achieve a seal between the two.

[0016] According to another exemplary embodiment of the present invention, a seal ring installation groove is formed on the peripheral wall of the housing, and the elastic seal ring is installed and positioned in the seal ring installation groove.

[0017] According to another aspect of the present invention, a connector assembly is provided. The connector assembly comprises: the above connector; and a mating connector connected to the connector.

[0018] According to an exemplary embodiment of the present invention, the mating connector includes: a mating housing that connects to the housing of the connector; a mating core that is installed in the mating housing and connected to the core of the connector; and a mating terminal that is provided in the mating core and connected to the terminal of the connector. The mating core is floatingly installed in the mating housing and can be moved with respect to the mating housing in a direction perpendicular to the height direction of the mating housing.

[0019] According to another exemplary embodiment of the present invention, a second connection hole is formed in the counter core and a second threaded bore is formed in the counter housing, the connector further comprises a second threaded connector passing through the second connection hole and screwed into the second threaded bore; the diameter of the second threaded connector is smaller than that of the second connection hole, and the axial direction of the second connection hole and the second threaded bore is parallel to the height direction, so that the counter core can be moved with respect to the counter housing in a radial direction of the second connection hole.

[0020] According to another exemplary embodiment of the present invention, the counter core has a second connecting ear, and the counter housing has a second installation portion disposed on the bottom wall of the counter housing, the second connecting hole and the second threaded bore are formed in the second connecting ear and the second installation portion, respectively; the distance between the head of the second threaded connector and the second installation portion in the height direction is greater than the thickness of the second connecting ear in the height direction, so that the counter core can be moved relative to the counter housing in the height direction.

[0021] According to another exemplary embodiment of the present invention, the second connection ear has a second upper surface and a second bottom surface opposite to each other in the height direction, and a second side surface connected between the second upper surface and the second bottom surface and perpendicular to the longitudinal direction of the counter housing; the second connection hole extends between the second upper surface and the second bottom surface and has a side opening formed in the second side surface, so that the second connection hole is a semicircular slot with a side opening.

[0022] According to another exemplary embodiment of the present invention, the counter core has a pair of second connecting ears opposite to each other in the longitudinal direction of the counter housing, and the counter housing has a pair of second installation portions corresponding to the pair of second connecting ears, respectively; the counter connector includes a pair of second threaded connectors, each connecting the pair of second connecting ears to the pair of second installation portions.

[0023] According to another exemplary embodiment of the present invention, the connector assembly further comprises: a second installation plate formed with a second installation opening; and a second sealing ring provided between the bottom wall of the mating housing and the second installation plate. The bottom wall of the mating housing is fixed to the second installation plate and formed with a bottom opening corresponding to the second installation opening for a second cable to pass through; a second sealing ring installation groove is formed on the bottom wall of the mating housing for installing and positioning the second sealing ring. The second sealing ring surrounds the second installation opening and is compressed between the bottom wall of the mating housing and the second installation plate to achieve a seal therebetween.

[0024] According to another exemplary embodiment of the present invention, a second threaded connection hole is formed in the second installation plate, and the mating connector further includes a second screw passing through the bottom wall of the mating housing and the through hole formed in the second sealing ring and screwed into the second threaded connection hole to fix the mating housing to the second installation plate.

[0025] According to an exemplary embodiment of the present invention, a second anti-malfunction hole is formed in the bottom of one side of the counter housing and a second anti-malfunction projection is formed on the second installation plate, the second anti-malfunction projection cooperates with the second anti-malfunction hole to prevent the counter housing from being installed on the second installation plate in an incorrect orientation.

[0026] According to another exemplary embodiment of the present invention, the mating connector further comprises a second end cap installed on one end of the mating core and having a second locking projection abutting against the end face of one end of the mating terminal to prevent the mating terminal from being pulled out of the mating core, a second elastic buckle is formed on the second end cap, and the second elastic buckle is fixed to one end of the mating core.

[0027] According to another exemplary embodiment of the present invention, a second cable hole is formed in the second end cap to allow the second cable to penetrate therethrough, the second cable is electrically connected to one end of the mating terminal and is led out from the mating core through the second cable hole, the other end of the mating terminal is used to connect to the terminal of the connector.

[0028] In the above exemplary embodiments according to the present invention, the core is floatingly installed in the housing, so that even if there is a misalignment between the connector and the mating connector, smooth connection of the connector and the mating connector can be ensured without causing damage to the connector and the mating connector.

[0029] In the above exemplary embodiments according to the present invention, an elastic sealing ring is provided between the housing of the connector and the mating housing of the mating connector, thereby effectively preventing water vapor from entering the connector and the mating connector. Short description of the drawings

[0030] The above and other features of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the accompanying drawings, in which: Fig. 1 shows an illustrative perspective view of a connector according to an exemplary embodiment of the present invention; Fig. 2 shows a transverse sectional view of a connector according to an exemplary embodiment of the present invention; Fig. 3 shows a top sectional view of a connector according to an exemplary embodiment of the present invention; Fig. 4 shows a longitudinal sectional view of a connector according to an exemplary embodiment of the present invention; Fig. 5 shows an illustrative view of the core and first end cap of a connector according to an exemplary embodiment of the present invention; Fig. 6 shows an illustrative exploded view of a connector assembly according to an exemplary embodiment of the present invention; Fig. 7 a transverse sectional view of the Fig. 6 shows the connector assembly; Fig. 8 shows a transverse sectional view of a connector assembly according to an exemplary embodiment of the present invention; Fig. 9 shows a longitudinal sectional view of a mating connector according to an exemplary embodiment of the present invention; Fig. 10 shows another longitudinal sectional view of a mating connector according to an exemplary embodiment of the present invention; and Fig. 11 shows an illustrative perspective view of the mating connector and a second end cap of a mating connector according to an exemplary embodiment of the present invention. Detailed description of preferred embodiments of the invention

[0031] Exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings, wherein like reference numerals designate like elements. However, the present disclosure may be embodied in many different forms and should not be construed as limited to the embodiment shown herein; these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concepts of the disclosure to those skilled in the art.

[0032] In the following detailed description, for purposes of explanation, numerous different details are set forth in order to provide a thorough understanding of the present embodiments. However, it will be understood that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown schematically to simplify the drawing.

[0033] According to a general concept of the present invention, a connector is provided. The connector includes: a housing having a height direction; a core installed in the housing; and a terminal provided in the core and extending along the height direction. The core is floatingly installed in the housing and can be moved relative to the housing in a direction perpendicular to the height direction.

[0034] According to another general concept of the present invention, a mating connector is provided. The mating connector comprises: the above connector; and a mating connector connected to the connector.

[0035] Fig. 1 shows an illustrative perspective view of a connector 100 according to an exemplary embodiment of the present invention; Fig. 2 shows a transverse cross-sectional view of the connector 100 according to an exemplary embodiment of the present invention; Fig. 3 shows a top sectional view of the connector 100 according to an exemplary embodiment of the present invention; Fig. 4 shows a longitudinal sectional view of the connector 100 according to an exemplary embodiment of the present invention; Fig. 5 shows an illustrative view of the core 2 and the first end cap 9 of the connector 100 according to an exemplary embodiment of the present invention.

[0036] As in the Fig. 1 to 5, in another exemplary embodiment of the present invention, a connector is disclosed. The connector includes: a housing 1, a core 2, and a terminal 3. The housing 1 has a transverse direction X, a longitudinal direction Y, and a height direction Z. The core 2 is installed in the housing 1. The terminal 3 is provided in the core 2 and extends along the height direction Z of the housing 1. The core 2 is floatingly installed in the housing 1 and can be moved with respect to the housing 1 in a direction perpendicular to the height direction Z.

[0037] As in the Fig. 1 to 5, in the illustrated embodiment, a first connection hole 22 is formed in the core 2 and a first threaded bore 14 is formed in the housing 1. The connector also includes a first threaded connecting piece 4 that passes through the first connection hole 22 and is screwed into the first threaded bore 14. The diameter of the first threaded connecting piece 4 is smaller than that of the first connection hole 22, and the axial direction of the first connection hole 22 and the first threaded bore 14 is parallel to the height direction Z, so that the core 2 can be moved with respect to the housing 1 in a radial direction of the first connection hole 22.

[0038] As in the Fig. 1 to 5, in the illustrated embodiment, the core 2 has a first connecting ear 21, the housing 1 has a first installation portion 11 protruding from the bottom wall of the housing 1, and the first connecting hole 22 and the first threaded bore 14 are formed in the first connecting hole 21 and the first installation portion 11, respectively. The distance between the head 41 of the first threaded connector 4 and the first installation portion 11 in the height direction Z is greater than the thickness of the first connecting ear 21 in the height direction Z, which allows the core 2 to be moved relative to the housing 1 in the height direction Z.

[0039] As in the Fig. 1 to 5, in the illustrated embodiment, the first communication ear 21 has a first upper surface 21a and a first bottom surface that are opposite in the height direction Z, and a first side surface 21b connected between the first upper surface 21a and the first bottom surface and perpendicular to the longitudinal direction Y of the housing 1. The first communication hole 22 extends between the first upper surface 21a and the first bottom surface and has a side opening formed in the first side surface 21b, so that the first communication hole 22 is a semicircular slot with a side opening.

[0040] As in the Fig. 1 to 5, in the illustrated embodiment, the core 2 has a pair of first connecting ears 21 opposite to each other in the longitudinal direction Y of the housing 1, and the housing 1 has a pair of first installation portions 11 associated with the pair of first connecting ears 21. The connector 100 includes a pair of first threaded fittings 4 connecting the pair of first connecting ears 21 to the pair of first installation portions 11.

[0041] As in the Fig. 1 to 5, the connector in the illustrated embodiment further includes a first installation plate 5 and a first sealing ring 7. The first installation plate 5 is formed with a first installation opening 501. The first sealing ring 7 is interposed between the bottom wall of the housing 1 and the first installation plate 5. The bottom wall of the housing 1 is fixed to the first installation plate 5 and formed with a bottom opening corresponding to the first installation opening 501 to allow a first cable (not shown) to pass therethrough. A first sealing ring installation groove 17 is formed on the bottom wall of the housing 1 for installing and positioning the first sealing ring 7. The first sealing ring 7 surrounds the first installation opening 501 and is compressed between the bottom wall of the housing 1 and the first installation plate 5 to achieve a seal therebetween.

[0042] As in the Fig. 1 to 5, in the illustrated embodiment, a first threaded connection hole 5a is formed in the first installation plate 5, and the connector 100 further includes a first screw 8. The first screw 8 passes through the bottom wall of the housing 1 and the through hole formed in the first sealing ring 7 and is screwed into the first threaded connection hole 5a to fix the housing 1 to the first installation plate 5.

[0043] As in the Fig. 1 to 5, a first anti-malfunction hole 1b is formed in the bottom of one side of the housing 1, and a first anti-malfunction protrusion 5b is formed on the first installation plate 5. The first anti-malfunction protrusion 5b cooperates with the first anti-malfunction hole 1b to prevent the housing 1 from being installed on the first installation plate 5 in the wrong orientation.

[0044] As in the Fig. 1 to 5, the connector 100 in the illustrated embodiment further includes a first end cap 9 mounted on one end of the core 2 and having a first locking portion 9a that abuts against the end face of the terminal 3 to prevent the terminal 3 from being pulled out of the core 2. A first elastic buckle 9c is formed on the first end cap 9, and the first elastic buckle 9c is fastened to one end of the core 2.

[0045] As in the Fig. 1 to 5, in the illustrated embodiment, a first cable hole 9b is formed in the first end cap 9 to allow the first cable to pass through. The first cable is electrically connected to one end of the terminal 3 and led out of the core 2 through the first cable hole 9b. The other end of the terminal 3 is used for connection to a mating terminal 3' of the mating connector 100'.

[0046] Fig. 6 shows an illustrative exploded view of the connector assembly according to an exemplary embodiment of the present invention; Fig. Figure 7 shows a transverse sectional view of the Fig. 6 shown connector assembly; Fig. 8 shows a transverse sectional view of a connector assembly according to an exemplary embodiment of the present invention; Fig. 9 shows a longitudinal sectional view of the mating connector 100' according to an exemplary embodiment of the present invention; Fig. 10 shows another longitudinal sectional view of the mating connector 100' according to an exemplary embodiment of the present invention; Fig. 11 shows an illustrative perspective view of the mating core 2' and the second end cap 9' of the mating connector 100' according to an exemplary embodiment of the present invention.

[0047] As in the Fig. 1 to 11, the connector 100 in the illustrated embodiment further comprises an elastic sealing ring 6 fitted onto the outer wall of the housing 1. The elastic sealing ring 6 is configured to be compressed between the housing 1 of the connector 100 and the mating housing 1' of the mating connector 100' to achieve a seal between the two.

[0048] As in the Fig. 1 to 11, in the illustrated embodiment, a seal ring installation groove 16 is formed on the peripheral wall of the housing 1, and the elastic seal ring 6 is installed and positioned in the seal ring installation groove 16.

[0049] As in the Fig. 1 to 11, a connector assembly is also disclosed in another exemplary embodiment of the present invention. The connector component includes a connector 100 and a mating connector 100'. The mating connector 100' is connected to the connector 100.

[0050] As in the Fig. 1 to 11, the mating connector 100' in the illustrated embodiment comprises a mating housing 1', a mating core 2', and a mating terminal 3'. The mating housing 1' is connected to the housing 1 of the connector 100. The mating core 2' is installed in the mating housing 1' and connected to the core 2 of the connector 100. The mating terminal 3' is set in the mating core 2' and connected to the terminal 3 of the connector 100. The mating core 2' is floatingly installed in the mating housing 1' and can be moved with respect to the mating housing 1' in a direction perpendicular to the height direction Z of the mating housing 1'.

[0051] As in the Fig. 1 to 11, in the illustrated embodiment, a second connection hole 22' is formed in the counter core 2', and a second threaded bore 14' is formed in the counter housing 1'. The connector also includes a second threaded connector 4' that passes through the second connection hole 22' and is screwed into the second threaded bore 14'. The diameter of the second threaded connector 4' is smaller than that of the second connection hole 22', and the axial direction of the second connection hole 22' and the second threaded bore 14' is parallel to the height direction Z, so that the counter core 2' can be moved relative to the counter housing 1' in a radial direction of the second connection hole 22'.

[0052] As in the Fig. 1 to 11, in the illustrated embodiment, the counter core 2' has a second connecting ear 21', and the counter housing 1' has a second installation portion 11' arranged on the bottom wall of the counter housing 1'. The second connecting hole 22' and the second threaded bore 14' are formed in the second connecting ear 21' and the second installation portion 11', respectively. The distance between the head 41' of the second threaded connector 4' and the second installation portion 11' in the height direction Z is greater than the thickness of the second connecting ear 21' in the height direction Z, which allows the counter core 2' to move relative to the counter housing 1' in the height direction Z.

[0053] As in the Fig. 1 to 11, in the illustrated embodiment, the second connection ear 21' has a second upper surface 21a' and a second bottom surface that are opposite in the height direction Z, and a second side surface 21b' connected between the second upper surface 21a' and the second bottom surface and perpendicular to the longitudinal direction Y of the counter housing 1'. The connection hole 22' extends between the second upper surface 21a' and the second bottom surface and has a side opening formed on the second side surface 21b', so that the second connection hole 22' is a semicircular slot with a side opening.

[0054] As in the Fig. 1 to 11, in the illustrated embodiment, the counter core 2' has a pair of second connecting ears 21' opposite to each other in the longitudinal direction Y of the counter housing 1', and the counter housing 1' has a pair of second installation portions 11' corresponding to the pair of second connecting ears 21'. The counter connector 100' includes a pair of second threaded connectors 4' connecting the pair of second connecting ears 21' to the pair of second installation portions 11'.

[0055] As in the Fig. 1 to 11, the connector assembly in the illustrated embodiment further includes a second installation plate 5' and a second seal ring 7'. The second installation plate 5' is formed with a second installation opening 501'. The second seal ring 7' is interposed between the bottom wall of the mating housing 1' and the second installation plate 5'. The bottom wall of the mating housing 1' is fixed to the second installation plate 5' and formed with a bottom opening corresponding to the second installation opening 501' for allowing a second cable (not shown) to pass therethrough. A second seal ring installation groove 17' is formed on the bottom wall of the mating housing 1' for installing and positioning the second seal ring 7'.The second sealing ring 7' surrounds the second installation opening 501' and is compressed between the bottom wall of the counter housing 1' and the second installation plate 5' to achieve a seal between the two.

[0056] As in the Fig. 1 to 11, in the illustrated embodiment, a second threaded connection hole 5a' is formed in the second installation plate 5', and the counter connector 100' further includes a second screw 8'. The second screw 8' passes through the bottom wall of the counter housing 1' and the through hole formed in the second sealing ring 7' and is screwed into the second threaded connection hole 5a' to fix the counter housing 1' to the second installation plate 5'.

[0057] As in the Fig. 1 to 11, in the illustrated embodiment, a second anti-malfunction hole 1b' is formed in the bottom of one side of the counter housing 1', and a second anti-malfunction protrusion 5b' is formed on the second installation plate 5'. The second anti-malfunction protrusion 5b' cooperates with the second anti-malfunction hole 1b' to prevent the counter housing 1' from being installed on the second installation plate 5' in the wrong orientation.

[0058] As in the Fig. 1 to 11, the mating connector 100' in the illustrated embodiment further comprises a second end cap 9' mounted on one end of the mating core 2' and having a second locking projection 9a' abutting against the end face of the mating terminal 3' to prevent the mating terminal 3' from being pulled out of the mating core 2'. A second elastic buckle 9c' is formed on the second end cap 9', and the second elastic buckle 9c' is attached to one end of the mating core 2'.

[0059] As in the Fig.1 to 11, in the illustrated embodiment, a second cable hole 9b' is formed in the second end cap 9' to allow the second cable to pass through. The second cable is electrically connected to one end of the mating terminal 3' and is led out of the mating core 2' through the second cable hole 9b'. The other end of the mating terminal 3' is used for connection to the terminal 3 of the connector 100.

[0060] Those skilled in the art should be aware that the above embodiments are intended for illustrative purposes and not for limiting purposes. For example, many modifications to the above embodiments can be made by those skilled in the art, and various features described in various embodiments can be freely combined without conflicting in configuration or principle.

[0061] Although some exemplary embodiments have been shown and described, it would be apparent to those skilled in the art that various changes or modifications may be made in these embodiments without departing from the principles and spirit of the disclosure, the scope of which is defined in the claims and their equivalents.

[0062] An element listed herein in the singular and preceded by the word "a / an" should be understood not to exclude a plural of those elements or steps, unless such exclusion is explicitly stated. Furthermore, references to "one embodiment" of the present invention are not intended to be interpreted to exclude the existence of additional embodiments that also include the recited features. Furthermore, unless explicitly stated to the contrary, embodiments that "comprise" or "have" an element or a plurality of elements that exhibit a particular characteristic may include additional elements that do not exhibit the characteristic. QUOTES CONTAINED IN THE DESCRIPTION

[0000] This list of documents submitted by the applicant was generated automatically and is included solely for the convenience of the reader. This list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions. Cited patent literature

[0000] CN 202420072401.7

[0001]

Claims

[1] Connector comprising: a housing (1) with a height direction (Z); a core (2) installed in the housing (1); and a terminal (3) provided in the core (2) and extending along the height direction (Z), wherein the core is floatingly installed in the housing (1) and can move with respect to the housing (1) in a direction perpendicular to the height direction (Z). [2] The connector according to claim 1, wherein a first connection hole (22) is formed in the core (2) and a first threaded bore (14) is formed in the housing (1), the connector further comprising a first threaded connecting piece (4) passing through the first connection hole (22) and screwed into the first threaded bore (14); wherein the diameter of the first threaded connecting piece (4) is smaller than the first connecting hole (22) and the axial direction of the first connecting hole (22) and the first threaded bore (14) is parallel to the height direction (Z), so that the core (2) can be moved with respect to the housing (1) in a radial direction of the first connecting hole (22). [3] The connector according to claim 2, wherein the core (2) has a first connecting ear (21) and the housing (1) has a first installation portion (11) protruding from the bottom wall of the housing (1), wherein the first connecting hole (22) and the first threaded bore (14) are formed in the first connecting ear (21) and the first installation portion (11), respectively; wherein the distance between the head (41) of the first threaded connector (4) and the first installation portion (11) in the height direction (Z) is greater than the thickness of the first connecting ear (21) in the height direction (Z), so that the core (2) can be moved with respect to the housing (1) in the height direction (Z). [4] The connector according to claim 3, wherein the first connecting ear (21) has a first upper surface and bottom surface which are opposite in the height direction (Z), and a first side surface (12b) which is connected between the first upper surface and bottom surface and is perpendicular to the longitudinal direction (Y) of the housing (1); wherein the first communication hole (22) extends between the first upper surface (21a) and the first bottom surface and has a side opening formed in the first side surface (12b), so that the first communication hole (22) is a semicircular slotted hole with a side opening. [5] The connector according to claim 4, wherein the core (2) has a pair of first connecting ears (21) opposite to each other in the longitudinal direction (Y) of the housing (1), and the housing (1) has a pair of first installation sections (11) each corresponding to the pair of the first connecting ears (21); wherein the connector (100) comprises a pair of first threaded connectors (4) each connecting the pair of first connecting ears (21) to the pair of first installation portions (11). [6] The connector of claim 1, further comprising: a first installation plate (5) formed with a first installation opening (501); and a first sealing ring (7) provided between the bottom wall of the housing (1) and the first installation plate (5), wherein the bottom wall of the housing (1) is fixed to the first installation plate (5) and is formed with a bottom opening corresponding to the first installation opening (501), so that a first cable can penetrate, wherein a first seal ring installation groove (17) is formed on the bottom wall of the housing (1) for installing and positioning a first seal ring (7), the first seal ring (7) surrounding the first installation opening (501) and being compressed between the bottom wall of the housing (1) and the first installation plate (5) to achieve a seal therebetween. [7] The connector according to claim 6, wherein a first anti-malfunction hole (1b) is formed in the bottom of one side of the housing (1) and a first anti-malfunction projection (5b) is formed on the first installation plate (5), wherein the first anti-malfunction projection (5b) cooperates with the first anti-malfunction hole (1b) to prevent the housing (1) from being installed on the first installation plate (5) in an incorrect orientation. [8] The connector of claim 6, further comprising: a first end cap (9) installed at one end of the core (2) and having a first locking portion (9a) abutting against the end face of one end of the terminal (3) to prevent the terminal (3) from being pulled out of the core (2), wherein a first elastic buckle (9c) is formed on the first end cap (9), and the first elastic buckle (9c) is attached to one end of the core (2); wherein a first cable hole (9b) is formed in the first end cap (9) to allow a first cable to pass therethrough, the first cable being electrically connected to one end of the terminal (3) and being led out of the core (2) through the first cable hole (9b), wherein the other end of the terminal (3) is used for connection to a mating terminal (3') of a mating connector (100'). [9] The connector according to any one of claims 1 to 8, further comprising: an elastic sealing ring (6) fitted onto the peripheral wall of the housing (1), wherein the elastic sealing ring (6) is arranged to be compressed between the housing (1) of the connector (100) and a counter-housing (1') of a counter-connector (100') in order to achieve a seal between the two. [10] Connector assembly comprising: the connector (100) according to any one of claims 1 to 9; and a mating connector (100') connected to the connector (100). [11] The connector assembly of claim 10, wherein the mating connector (100') comprises: a counter housing (1') which is connected to the housing (1) of the connector (100); a counter core (2') installed in the counter housing (1') and connected to the core (2) of the connector (100); and a counter terminal (3') provided in the counter core (2') and connected to the terminal (3) of the connector (100), wherein the counter core (2') is installed floatingly in the counter housing (1') and can be moved with respect to the counter housing (1') in a direction perpendicular to the height direction (Z) of the counter housing (1'). [12] The connector assembly according to claim 11, wherein a second connection hole (22') is formed in the counter core (2') and a second threaded bore (14') is formed in the counter housing (1'), the connector further comprises a second threaded connecting piece (4') which passes through the second connection hole (22') and is screwed into the second threaded bore (14'); wherein the diameter of the second threaded connecting piece (4') is smaller than that of the second connecting hole (22') and the axial direction of the second connecting hole (22') and the second threaded bore (14') is parallel to the height direction (Z), so that the counter core (2') can be moved with respect to the counter housing (1') in a radial direction of the second connecting hole (22'). [13] The connector assembly according to claim 12, wherein the counter core (2') has a second connecting ear (21') and the counter housing (1') has a second installation portion (11') arranged on the bottom wall of the counter housing (1'), wherein the second connecting hole (22') and the second threaded bore (14') are formed in the second connecting ear (21') and the second installation portion (11'), respectively; wherein the distance between the head of the second threaded connector (4') and the second installation portion (11') in the height direction (Z) is greater than the thickness of the second connecting ear (21') in the height direction (Z), so that the counter core (2') can be moved with respect to the counter housing (1') in the height direction (Z). [14] The connector assembly according to claim 13, wherein the second connecting ear (21') has a second surface (21a') and a second bottom surface opposite to each other in the height direction (Z) and a second side surface (21b') connected between the second upper surface (21a') and the second bottom surface and perpendicular to the longitudinal direction (Y) of the counter housing (1'); wherein the second communication hole (22') extends between the second upper surface (21a') and the second bottom surface and has a side opening formed in the second side surface (21b'), so that the second communication hole (22') is a semicircular slot with a side opening. [15] The connector assembly according to claim 14, wherein the counter core (2') has a pair of second connecting ears (21') opposite to each other in the longitudinal direction (Y) of the counter housing (1'), and the counter housing (1') has a pair of second installation portions (11') each corresponding to the pair of second connecting ears (21'); wherein the mating connector (100') comprises a pair of second threaded connectors (4') each connecting the pair of second connecting ears (21') to the pair of second installation sections (11'). [16] The connector assembly of claim 11, further comprising: a second installation plate (5') formed with a second installation opening (501'); and a second sealing ring (7') which is arranged between the bottom wall of the counter housing (1') and the second installation plate (5') is provided, wherein the bottom wall of the counter housing (1') is fixed to the second installation plate (5') and is formed with a bottom opening corresponding to the second installation opening (501') to allow a second cable to pass through, wherein a second sealing ring installation groove (17') is formed on the bottom wall of the counter housing (1') for installing and positioning the second sealing ring (7'), the second sealing ring (7') surrounds the second installation opening (501') and is compressed between the bottom wall of the counter housing (1') and the second installation plate (5'), to achieve a seal between the two. [17] The connector assembly according to claim 16, wherein a second anti-malfunction hole (1b') is formed in the bottom of one side of the mating housing (1') and a second anti-malfunction projection (5b') is formed on the second installation plate (5'), the second anti-malfunction projection (5b') cooperates with the second anti-malfunction hole (1b') to prevent the mating housing (1') from being installed on the second installation plate (5') in an incorrect orientation.

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