A connector

Abstract

The application discloses a connector, comprising: a socket assembly and a plug assembly, the plug assembly comprising a plug shell and a locking member movably mounted on the plug shell, a guide boss is arranged on the plug shell, a guide groove is formed in the guide boss, the socket assembly comprises a socket shell and a guide rail arranged on the socket shell, the guide rail can be inserted into the guide boss and guidedly matched with the guide groove; the locking member can be switched between a first locking state, an unlocking state and a second locking state relative to the plug shell, when in the first locking state, the locking member is at least partially matched and locked with the guide groove. The locking member in the application cannot be buckled when not inserted, can guide the person to perform the insertion action when used for the first time, avoids performing redundant actions when used, and ensures the uniqueness of assembly.

Description

Technical Field

[0001] This application relates to the technical field of connectors, and more particularly to a connector. Background Technology

[0002] In the electric vehicle industry, the reliability and safety of high-voltage system connections are of paramount importance. Plastic connectors are key components of high-voltage systems, and the high-voltage connector handle, as its core component, must ensure reliable connection, safe operation, and convenient maintenance under high-voltage environments. It is widely used in battery packs, motor controllers, and other scenarios.

[0003] With the upgrading of industrial safety standards and the increasing precision of equipment, high-voltage connector handles have evolved from simple mechanical structures to complex systems integrating safety mechanisms and user-friendly designs. However, existing technologies still have significant shortcomings: First, it is not easy to operate: when the plug and socket are not plugged in, the handle can rotate freely, which requires the operator to adjust the position of the handle, adding unnecessary movements, reducing efficiency and easily causing misoperation. Secondly, the lack of auxiliary structures results in high insertion and extraction forces during initial insertion, making installation difficult and providing a poor user experience. The absence of a guide structure also makes it prone to oblique insertion, which may damage the pins or sockets, leading to safety hazards such as poor contact and overheating, and threatening the safe operation of the high-voltage system. Utility Model Content

[0004] The purpose of this application is to provide a connector that can solve the above-mentioned problems existing in the prior art.

[0005] To achieve the above objectives, this application adopts the following technical solution: On one hand, a connector is provided, including a socket assembly and a plug assembly capable of being inserted into the socket assembly in a plugging direction. The plug assembly includes a plug housing and a locking member movably mounted on the plug housing. A guide boss is provided on the plug housing, and a guide groove is formed in the guide boss. The socket assembly includes a socket housing and a guide rail provided on the socket housing. The guide rail can be inserted into the guide boss and guided and engaged with the guide groove. The locking member can switch between a first locked state, an unlocked state, and a second locked state relative to the plug housing. In the first locked state, the locking member at least partially engages with the guide groove for locking. The guide rail moves along the guide groove and abuts against the locking member to rotate, causing the locking member to switch from the first locked state to the unlocked state. In the second locked state, the locking member locks the plug housing and the socket housing.

[0006] Furthermore, the locking member is provided with a buckle, which can engage with the guide groove.

[0007] Furthermore, the locking member is provided with a locking groove, the guide rail is provided with a locking protrusion, and one end of the locking groove is provided with an opening. When the locking member is in the first locking state, the opening is located in the guide groove. When the guide rail moves along the guide groove, the locking protrusion is inserted into the locking groove along the opening, and then abuts against the locking member to rotate.

[0008] Furthermore, the locking groove includes an arc-shaped segment and a horizontal segment. One end of the horizontal segment is connected to the arc-shaped segment, and the other end of the horizontal segment extends horizontally in a direction away from the arc-shaped segment and is provided with the opening. The horizontal segment is arranged parallel to the buckle.

[0009] Furthermore, the guide rail has a clearance position on one side opposite to the guide groove for avoiding the buckle.

[0010] Furthermore, at least two guide bosses are provided, and the two guide bosses are symmetrically arranged on both sides of the plug housing. At least two guide rails are provided, and the two guide rails correspond one-to-one with the two guide bosses.

[0011] Furthermore, when the locking member is in the second locking state, the locking member is locked to the plug housing by a locking structure.

[0012] Furthermore, the extension direction of the guide groove is parallel to the insertion / removal direction of the plug assembly.

[0013] Furthermore, multiple guide grooves are provided within the guide boss, and the multiple guide grooves are spaced apart along a direction perpendicular to the insertion / removal direction. The guide rail is provided with multiple guide strips that correspond one-to-one with the guide grooves. The locking member can engage with any one of the guide grooves to lock.

[0014] Furthermore, the locking element is a locking handle, which is fitted inside the plug housing.

[0015] The beneficial effects of this application are as follows: By designing the first locking state of the locking component, the problem of the locking component rotating freely when the plug and socket are not inserted is completely solved. Operators do not need to adjust the position of the locking component, reducing unnecessary operations, shortening the insertion and insertion time, and improving assembly efficiency. At the same time, it avoids operational errors caused by the accidental rotation of the locking component, reducing manual operation costs and error tolerance. In addition, the guiding engagement structure of the guide boss and the guide rail, on the one hand, avoids oblique insertion through precise positioning, prevents damage to the pins and sockets due to oblique insertion, ensures the electrical connection performance of the connector, and avoids safety hazards such as poor contact and local overheating; on the other hand, it significantly reduces the insertion and extraction force required for initial mating by guiding and dispersing the force, reduces operator hand fatigue, significantly improves the user experience, and solves the problem of difficult installation in the existing technology. Attached Figure Description

[0016] The present application will now be described in further detail with reference to the accompanying drawings and embodiments.

[0017] Figure 1 This is a schematic diagram of the connector described in an embodiment of this application (the locking member is in the first locking state). Figure 2 This is a schematic diagram of the connector described in an embodiment of this application (the locking element is in the unlocked state). Figure 3 This is a schematic diagram of the connector described in an embodiment of this application (the locking element is in the second locking state). Figure 4 This is a schematic diagram of the locking member described in an embodiment of this application; Figure 5 This is a schematic diagram of the socket assembly described in an embodiment of this application; Figure 6 This is a side view of the plug assembly described in an embodiment of this application.

[0018] In the diagram: 1. Socket assembly; 101. Socket housing; 102. Guide rail; 1021. Locking protrusion; 1022. Guide strip; 1023. Clearance position; 2. Plug assembly; 201. Plug housing; 202. Locking element; 203. Guide boss; 2021. Buckle; 2022. Locking groove; 2023. Arc-shaped section; 2024. Horizontal section; 2025. Opening; 2031. Guide groove. Detailed Implementation

[0019] To make the technical problems solved by this application, the technical solutions adopted, and the technical effects achieved clearer, the technical solutions of the embodiments of this application are further described in detail below. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0020] In the description of this application, unless otherwise expressly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0021] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0022] like Figures 1-6 As shown, this embodiment provides a connector, including a socket assembly 1 and a plug assembly 2 that can be inserted into the socket assembly 1 in the insertion / removal direction. The plug assembly 2 includes a plug housing 201 and a locking member 202 movably mounted on the plug housing 201. A guide boss 203 is provided on the plug housing 201, and a guide groove 2031 is formed in the guide boss 203. The socket assembly 1 includes a socket housing 101 and a guide rail 102 provided on the socket housing 101. The guide rail 102 can be inserted into the guide boss 203 and guidely cooperate with the guide groove 2031. The locking member 202 can switch between a first locked state, an unlocked state, and a second locked state relative to the plug housing 201. When in the first locked state, the locking member 202 at least partially engages with the guide groove 2031 for locking. The guide rail 102 moves along the guide groove 2031 and abuts against the locking member 202 to rotate, causing the locking member 202 to switch from the first locked state to the unlocked state. When in the second locked state, the locking member 202 locks the plug housing 201 and the socket housing 101.

[0023] Based on the above scheme, when the plug assembly 2 is inserted into the socket assembly 1 in the insertion / removal direction, the guide rail 102 is first precisely embedded in the guide groove 2031 of the guide boss 203. The groove and rail cooperate to force the insertion direction to be positioned, thereby avoiding the risk of oblique insertion caused by insertion offset from the root. At the same time, as the guide rail 102 moves along the guide groove 2031, it not only disperses the insertion force through the guide structure and reduces the direct frictional resistance between the plug and the key components of the socket, but also forms a linkage with the locking member 202. During the process of pushing the locking member 202, it further assists in dispersing the insertion and removal stress, greatly reducing the insertion and removal force in the initial installation stage, and completely solving the installation difficulty problem caused by the lack of an auxiliary structure. In addition, the locking member 202 can switch between a first locked state, an unlocked state, and a second locked state relative to the plug housing 201. When the plug and socket are not inserted, the locking member 202 is in the first locked state, with at least part of its structure embedded in the guide groove 2031 to form a lock. At this time, the locking member 202 cannot rotate freely, avoiding unnecessary actions for the operator to adjust the position. When the plug housing 201 is inserted into the socket housing 101, the guide rail 102 actively pushes the locking member 202 as it moves along the guide groove 2031, pushing the locking member 202 out of the guide groove 2031, so that the locking member 202 is passively unlocked and rotates synchronously by a certain angle, thus smoothly switching to the unlocked state, ensuring continuous and smooth insertion and insertion. After insertion and insertion are in place, the locking member 202 can be manually switched to the second locked state to form a stable lock on the plug housing 201 and the socket housing 101. The whole process does not require any additional operation steps, which not only ensures the reliability of the connection but also further improves the convenience of operation.

[0024] Furthermore, the locking member 202 is provided with a latch 2021, which can engage with the guide groove 2031. Through the mechanical engagement of the latch 2021 and the guide groove 2031, the locking strength of the locking member 202 when not fully engaged is significantly improved, preventing the locking member 202 from loosening or rotating due to slight vibration or accidental contact. This completely solves the problem of operators needing to repeatedly adjust the position of the locking member 202, further reducing unnecessary operations and improving pre-assembly preparation efficiency. Moreover, the engagement of the latch 2021 and the guide groove 2031 provides a clear positioning-disengagement path for the unlocking action of the locking member 202. The guide rail 102 needs to precisely push the latch 2021 to achieve unlocking, which not only avoids jamming or displacement of the locking member 202 due to uneven force, but also allows the operator to clearly perceive that the unlocking is complete through the tactile feedback when the latch 2021 disengages, reducing engagement obstruction caused by incomplete unlocking and lowering the probability of operational errors.

[0025] Furthermore, the locking member 202 is provided with a locking groove 2022, and the guide rail 102 is provided with a locking protrusion 1021. One end of the locking groove 2022 is provided with an opening 2025. When the locking member 202 is in the first locking state, the opening 2025 is located in the guide groove 2031. When the guide rail 102 moves along the guide groove 2031, the locking protrusion 1021 is inserted into the locking groove 2022 along the opening 2025, and then abuts against the locking member 202 to rotate. When the locking member 202 is in the first locking state, one end of the locking groove 2022 with the opening 2025 is precisely located in the guide groove 2031. At this time, the locking protrusion 1021 is located outside the entrance of the guide groove 2031 along with the guide rail 102. The opening 2025 of the locking groove 2022 provides a unique insertion path for the locking protrusion 1021. At the same time, combined with the snap-fit ​​constraint between the buckle 2021 on the locking member 202 and the guide groove 2031, the directional arrangement of the opening 2025 of the locking groove 2022 further restricts the rotation of the locking member 202, ensuring the positional stability of the locking member 202 when it is not engaged. As the guide rail 102 moves along the guide groove 2031, the locking protrusion 1021 is first inserted into the groove through the opening 2025 of the locking groove 2022. Because the opening 2025 matches the shape of the protrusion, the protrusion forms a rigid fit after insertion. As the guide rail 102 continues to advance, the protrusion applies a directional thrust along the inner wall of the locking groove 2022, forcing the locking member 202 to rotate around the movable mounting point by a certain angle. During this process, the thrust of the protrusion and the pushing force of the guide rail 102 on the buckle 2021 work together to ensure that the locking member 202 rotates smoothly and avoids deviation or jamming during rotation, thus achieving a smooth switch from the first locking state to the unlocking state. When the plug is fully engaged, the locking member 202 rotates to the second locking position. At this time, the locking protrusion 1021 has moved along the locking groove 2022 to the preset limit end in the groove. The engagement structure of the protrusion and the locking groove 2022 forms an axial limit, which, together with the locking member 202, locks the plug housing 201 and the socket housing 101, further restricting the relative displacement of the two along the insertion and removal direction and strengthening the locking strength of the second locking state.

[0026] Specifically, the locking groove 2022 includes an arc-shaped segment 2023 and a horizontal segment 2024. One end of the horizontal segment 2024 connects to the arc-shaped segment 2023, and the other end of the horizontal segment 2024 extends horizontally away from the arc-shaped segment 2023 and has the opening 2025. The horizontal segment 2024 is arranged parallel to the latch 2021. The straight path of the horizontal segment 2024 ensures that there is no tilting resistance when the locking protrusion 1021 is inserted, solving the problem of jamming at the starting point that is easy to occur when inserting a traditional single arc-shaped groove or straight groove. The arc-shaped segment 2023, through its arc surface matching the rotation radius of the locking member 202, allows the thrust of the protrusion to transition smoothly with the rotation process, avoiding rotational jerks caused by sudden changes in the direction of the thrust. At the same time, the parallel arrangement of the horizontal segment 2024 and the latch 2021 ensures that the locking member 202 is subjected to balanced force, preventing deformation or damage to the locking member 202 caused by stress concentration on one side, significantly improving the smoothness of the unlocking action and the structural durability. Furthermore, the parallel arrangement of the horizontal section 2024 and the latch 2021 forms a dual positioning in the same direction. On the one hand, the parallel relationship ensures that the opening 2025 of the locking groove 2022 and the latch 2021 maintain the same direction within the guide groove 2031, preventing the locking member 202 from deviating due to vibration and causing the opening 2025 to deviate from the protrusion insertion path. On the other hand, the horizontal extension structure of the horizontal section 2024 further defines the orientation of the opening 2025, ensuring that when the locking protrusion 1021 moves from the guide rail 102 to the guide groove 2031, it can be directly aligned with the opening 2025 for insertion, eliminating the need for operators to manually adjust the position of the protrusion and the opening 2025, and significantly improving the positioning accuracy and operational efficiency before insertion.

[0027] Meanwhile, the guide rail 102 has a clearance position 1023 on one side opposite the guide groove 2031 to avoid the latch 2021. The clearance position 1023 avoids direct contact between the guide rail 102 and the latch 2021, eliminating the squeezing, scraping or impact on the latch 2021 when the guide rail 102 is pushed forward, preventing the latch 2021 from deforming, cracking or even breaking due to force, ensuring that the latch 2021 always maintains its complete snap-fit ​​form and structural strength, thereby maintaining its reliable snap-fit ​​with the guide groove 2031 in the first locking state, avoiding locking failure due to damage to the latch 2021, and extending the overall service life of the connector. If the guide rail 102 does not have a clearance 1023, it is easy to generate frictional resistance due to contact with the buckle 2021, causing the buckle 2021 to get stuck when it is disengaged from the guide groove 2031, or to shift its position when it is engaged with the socket housing 101. The non-contact space formed by the clearance 1023 allows the buckle 2021 to rotate and be positioned freely with the locking member 202, ensuring that the buckle 2021 smoothly disengages from the guide groove 2031 during the unlocking process, avoiding operational stuttering or incomplete locking caused by the buckle 2021 getting stuck, and improving the overall smoothness of operation.

[0028] Generally, at least two guide bosses 203 are provided, symmetrically arranged on both sides of the plug housing 201. At least two guide rails 102 are provided, each corresponding to one of the guide bosses 203. This symmetrical layout ensures that the force applied during mating is evenly distributed along both sides of the plug housing 201. On one hand, the guide rails 102 on both sides simultaneously disperse the mating resistance, reducing unilateral frictional resistance compared to single-sided guidance, further reducing the initial mating force. Operators do not need to apply additional pushing force to overcome unilateral imbalance, improving the user experience. On the other hand, balanced force distribution prevents deformation of the plug housing 201 and guide bosses 203 due to unilateral stress concentration, reducing structural wear and extending the connector's service life, especially suitable for maintenance scenarios involving frequent mating and unmating.

[0029] In some embodiments, when the locking member 202 is in the second locking state, the locking member 202 and the plug housing 201 are locked together by a locking structure. The locking structure can take the form of elastic engagement or mechanical limiting. For example, the plug housing 201 may have a fixed slot / protrusion, and the locking member 202 may have an adaptable elastic claw / limiting hole. When the locking member 202 rotates to its position, the locking structure is automatically triggered: if it is elastic engagement, the elastic claw of the locking member 202, under its own elastic force, engages with the preset slot of the plug housing 201; if it is mechanical limiting, the limiting hole of the locking member 202 precisely fits into the protrusion of the plug housing 201, forming a rigid constraint. Both forms can limit the circumferential rotation and axial displacement of the locking member 202 in the second locking state, ensuring that the locking member 202 and the plug housing 201 are relatively fixed.

[0030] It is worth mentioning that the extension direction of the guide groove 2031 is parallel to the insertion and removal direction of the plug assembly 2. Compared with the non-parallel guide groove 2031, which is prone to misalignment due to path deviation, the parallel extending guide groove 2031, through the constraint of the straight channel, ensures that the guide rail 102 can only move along the insertion and removal direction, completely eliminating the possibility of deviation perpendicular to the insertion and removal direction, reducing the risk of misalignment to zero, avoiding bending of the pins and deformation of the socket due to misalignment, ensuring the integrity of electrical connection components, solving the core problem of component damage caused by misalignment in the prior art, and extending the service life of the connector. Moreover, even if the operator has no professional assembly experience, or in blind operation scenarios with obstructed vision, the parallel guide groove 2031 can automatically correct slight operational deviations through path constraint: without deliberately adjusting the plug angle, the guide groove 2031 can guide the plug back to the correct direction, greatly reducing the dependence on the operator's skills; at the same time, the straight insertion reduces the fluctuation of insertion and removal resistance, the feel is more stable, avoids the feeling of jamming caused by the tendency of misalignment, and improves the user experience.

[0031] The guide grooves 2031 are provided in multiple locations within the guide bosses 203, and these guide grooves 2031 are spaced apart perpendicular to the insertion / removal direction. The guide rail 102 is provided with multiple guide bars 1022 that correspond one-to-one with each of the guide grooves 2031. The locking member 202 can engage with any one of the guide grooves 2031 to lock. When the plug housing 201 is pushed in, the multiple guide bars 1022 of the guide rail 102 are simultaneously inserted into the corresponding guide grooves 2031, forming a multi-channel parallel guide. Each guide bar 1022 moves along the guide grooves 2031 parallel to the insertion / removal direction, constraining the guide rail 102 from multiple points perpendicular to the insertion / removal direction. Even if one guide bar 1022 is slightly deflected by external force, the other guide bars 1022 can still advance along the preset path, avoiding overall guide deviation.

[0032] Specifically, the locking element 202 is a locking handle, which is recessed into the plug housing 201. Traditional protruding handles extend to both sides of the plug housing 201, increasing the overall width of the connector and making it difficult to fit into narrow installation areas such as electric vehicle battery packs and chassis. The recessed locking handle, by retracting into the housing, reduces the space occupied on both sides of the plug housing 201, allowing it to be directly embedded into a compact vehicle installation location. This solves the problem of poor space adaptability caused by protruding handles in the prior art and improves the miniaturization requirements of the connector.

[0033] In practical applications, the connector is specifically a single-core high-voltage connector.

[0034] In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and other orientations or positional relationships are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used merely for descriptive distinction and have no special meaning.

[0035] In the description of this specification, references to terms such as "an embodiment," "example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example.

[0036] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style of the specification is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0037] The technical principles of this application have been described above with reference to specific embodiments. These descriptions are merely for explaining the principles of this application and should not be construed as limiting the scope of protection of this application in any way. Based on this explanation, those skilled in the art can readily conceive of other specific embodiments of this application without inventive effort, and these embodiments will all fall within the scope of protection of this application.

Claims

1. A connector comprising a receptacle assembly (1) and a plug assembly (2) capable of being inserted into the receptacle assembly (1) in a insertion / removal direction, characterized in that, The plug assembly (2) includes a plug housing (201) and a locking member (202) movably mounted on the plug housing (201). A guide boss (203) is provided on the plug housing (201), and a guide groove (2031) is formed in the guide boss (203). The socket assembly (1) includes a socket housing (101) and a guide rail (102) provided on the socket housing (101). The guide rail (102) can be inserted into the guide boss (203) and guidely cooperate with the guide groove (2031). The locking member (202) can switch between a first locked state, an unlocked state, and a second locked state relative to the plug housing (201). When in the first locked state, the locking member (202) at least partially engages with the guide groove (2031) for locking. The guide rail (102) moves along the guide groove (2031) and abuts against the locking member (202) to rotate, so that the locking member (202) switches from the first locked state to the unlocked state. When in the second locked state, the locking member (202) locks the plug housing (201) and the socket housing (101).

2. The connector according to claim 1, characterized in that, The locking member (202) is provided with a buckle (2021), which can engage with the guide groove (2031).

3. The connector according to claim 2, characterized in that, The locking member (202) is provided with a locking groove (2022), and the guide rail (102) is provided with a locking protrusion (1021). One end of the locking groove (2022) is provided with an opening (2025). When the locking member (202) is in the first locking state, the opening (2025) is located in the guide groove (2031). When the guide rail (102) moves along the guide groove (2031), the locking protrusion (1021) is inserted into the locking groove (2022) along the opening (2025), and then abuts against the locking member (202) to rotate.

4. The connector according to claim 3, characterized in that, The locking groove (2022) includes an arc-shaped segment (2023) and a horizontal segment (2024). One end of the horizontal segment (2024) is connected to the arc-shaped segment (2023), and the other end of the horizontal segment (2024) extends horizontally away from the arc-shaped segment (2023) and is provided with the opening (2025). The horizontal segment (2024) is arranged parallel to the buckle (2021).

5. The connector according to claim 4, characterized in that, The guide rail (102) has a clearance position (1023) on one side relative to the guide groove (2031) for avoiding the buckle (2021).

6. The connector according to any one of claims 1-5, characterized in that, At least two guide bosses (203) are provided, and the two guide bosses (203) are symmetrically arranged on both sides of the plug housing (201). At least two guide rails (102) are provided, and the two guide rails (102) correspond one-to-one with the two guide bosses (203).

7. The connector according to any one of claims 1-5, characterized in that, When the locking member (202) is in the second locking state, the locking member (202) is locked to the plug housing (201) by a locking structure.

8. The connector according to any one of claims 1-5, characterized in that, The extension direction of the guide groove (2031) is parallel to the insertion / removal direction of the plug assembly (2).

9. The connector according to any one of claims 1-5, characterized in that, Multiple guide grooves (2031) are provided in the guide boss (203), and the multiple guide grooves (2031) are distributed at intervals perpendicular to the insertion and extraction direction. The guide rail (102) is provided with multiple guide strips (1022) that correspond one-to-one with the guide grooves (2031). The locking member (202) can cooperate with any one of the guide grooves (2031) to lock.

10. The connector according to any one of claims 1-5, characterized in that, The locking element (202) is a locking handle, which is snapped into the plug housing (201).

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