SOCKET FOR CONNECTORS AND TERMINALS

Abstract

The application relates to the technical field of high-voltage connectors and discloses a connector socket and a connector. The connector socket comprises: a socket housing provided with a receiving cavity, wherein both receiving cavities are arranged side by side along a first direction and extend along a second direction; and two plug plates, wherein one of the plug plates is partially inserted into the receiving cavity, and the plug plate is in a clamping fit with the receiving cavity. The clamping connection of the plug plate with the receiving cavity allows the plug plate to be inserted directly into the receiving cavity, thus securing the plug plate in the socket housing. No auxiliary fastening such as a rubber core is required, thereby reducing the number of parts, lowering costs, and simplifying the assembly steps of the plug plate.The connector accepts the aforementioned socket for connectors, making assembly quick and reducing costs.

Description

Technical field

[0001] The application concerns the technical field of the high-voltage connector, in particular a socket for connectors and a connector. State of the art

[0002] The use of this connector is widespread on high-power power lines, such as those in electric vehicles. The connector consists of a socket and a plug. The socket comprises a housing and a mating plate, with the housing featuring a receiving cavity. To ensure a stable connection of the mating plate within the housing, existing sockets feature two plastic parts encasing the outer surface of each mating plate. These two plastic parts are joined end-to-end, and the mating plate is inserted between them. The entire assembly is then inserted into the receiving cavity. The socket consists of two mating plates, meaning four plastic parts are required. Assembly involves numerous parts and can be cumbersome.

[0003] Therefore, it is urgently necessary to design a socket for connectors and a connector to solve the problems mentioned above. Disclosure of registration

[0004] One purpose of the registration is to provide a connector socket where the plug plate is inserted directly into the socket housing without any additional fastening. This reduces the number of parts, lowers costs, and simplifies the assembly process.

[0005] For this purpose, the present application adopts the following technical solutions: Socket for connectors, comprehensive: a socket housing which is provided with two receiving cavities, wherein both receiving cavities are arranged side by side along a first direction and extend along a second direction; a contact element that is inserted into the receiving cavity; and two plug-in plates, each of which is partially inserted into the receiving cavity, and the plug-in plate is in a clamping fit with the receiving cavity, with the first direction being perpendicular to the second direction.

[0006] Optionally, the receiving cavity is provided on both opposite inner walls along a third direction with a limiting groove, wherein the limiting groove extends along the second direction, wherein a spacing of both limiting grooves is adapted to a size of the plug-in plate in the third direction, wherein a width of the limiting groove is adapted to a size of the plug-in plate in the first direction, wherein one side wall of the plug-in plate corresponding to the bottom of at least one limiting groove is provided with a clamping projection, and the other side wall of the plug-in plate corresponding to the bottom of at least one limiting groove is provided with a clamping slot, wherein the clamping projection is held in the clamping slot, wherein the third direction is perpendicular to the first and second directions in each case.

[0007] Optionally, the bottoms of the two limiting grooves are each provided with a protruding clamping projection, and both sides of the plug-in plate are each provided with a clamping slot, the thickness of the clamping projection gradually increasing from one end of the plug-in plate to the other end.

[0008] Optionally, an insertion end of the plug-in plate is first inserted into the receiving cavity, the plug-in plate comprising an insertion section, a groove section and a tail section connected successively from the insertion end to the other end, both clamping slots being arranged on opposite sides of the groove section along the third direction, with one size of the insertion section in the third direction being smaller than one size of the tail section in the third direction.

[0009] Optionally, the insertion section comprises a plane section and a guide section connected to the plane section, wherein the guide section is connected to the groove section, and wherein an outer boundary of one side of the guide section has a gradually decreasing height in the third direction from a free end of a side wall of the clamping slot to an outer boundary of one side of the plane section in the third direction.

[0010] Optionally, a limiting section is provided at the bottom of the receiving cavity, wherein the limiting section is connected to a side wall of the receiving cavity, wherein a first limiting projection is provided inside the receiving cavity, wherein a second limiting projection is provided on the contact element, wherein one end of the contact element rests against the limiting section, the second limiting projection rests against a side of the first limiting projection facing the limiting section, and the plug-in plate is inserted at the other end of the contact element.

[0011] Optionally, the boundary section includes: a body that is connected to the side wall of the receiving cavity; and a hook section that is connected to the body, with one end of the contact element resting against a free end of the hook section.

[0012] Optionally, the socket housing further comprises a connecting plate, wherein one plane of the connecting plate is perpendicular to the second direction, wherein the connecting plate surrounds the receiving cavity and connects the two receiving cavities, wherein several through-holes are provided at a connection point of the connecting plate with the receiving cavity, wherein the through-holes are arranged at intervals on a circumferential side of the receiving cavity, wherein a clamping crossbar is provided on an outer circumferential side of the receiving cavity, and wherein a stepped groove is provided at a tail end of the receiving cavity; wherein the socket for connectors further comprises a socket shield which is ring-shaped and passes through the plug-in through holes and is enclosed on an outer circumference of the receiving cavity, wherein an inwardly convex inner spring sheet is provided on the socket shield and a clamping hook is provided at the end of the socket shield, wherein a free end of the inner spring sheet can be held by the clamping crossbar, and the clamping hook can be held by a wall of the stepped groove.

[0013] Optionally, four corners of the connecting plate are each provided with a mounting hole, the socket for connectors further comprising a steel shell, the steel shell being mounted in the mounting hole with a press fit.

[0014] Another purpose of registration is to provide a connector.

[0015] For this purpose, the present application adopts the following technical solutions:

[0016] Connector comprising a plug, wherein the connector further comprises the above socket for connectors, wherein the socket for connectors and the plug are in a plug connection.

[0017] The beneficial effects of registration are: The present application provides a socket for connectors. The clamping connection between the plug plate and the receiving cavity allows the plug plate to be inserted directly into the receiving cavity, thus securing the plug plate within the socket housing. No auxiliary fastening such as a rubber core is required, thereby reducing the number of parts, lowering costs, and simplifying the assembly steps of the plug plate.

[0018] The present application also provides a connector. The connector accepts the aforementioned connector socket, which makes installation quick and reduces costs. Brief description of the drawings Fig. 1 is a first exploded view of a socket for connectors according to some embodiments of the present application; Fig. 2 is a second exploded view of a socket for connectors according to some embodiments of the present application; Fig. 3 is a longitudinal section view of the plug-in plate according to some embodiments of the present application; Fig. Figure 4 is an exploded view of a longitudinal section of the plug-in sheet according to some embodiments of the present application; Fig. Figure 5 is a structural representation of a socket for connectors according to some embodiments of the present application; Fig. 6 is a cross-sectional view of AA in Fig. 5. Reference symbol:

[0019] 10, socket housing; 11, receiving cavity; 111, limiting groove; 112, clamping projection; 113, limiting section; 1131, Body; 1132, Hook section; 114, First limiting projection; 115, Clamping crossbar; 116, Step groove; 117, Ring-shaped side wall; 12, Connecting plate; 121, Through hole; 122, Mounting hole; 123, Ring-shaped mounting groove; 20, Plug-in plate; 21, Insertion section; 211, Plane section; 212, Guide section; 22, Groove section; 221, Clamping slot; 23, Tail section; 24, Insertion end; 30, Contact element; 31, Main body; 32, Second limiting projection; 33, Support foot; 40, socket shielding; 41, inner spring plate; 42, clamping hook; 43, shielding side panel; 50, steel sleeve; 51, shear groove; 60, high-voltage locking mechanism; 70, sealing element. Designs

[0020] The present application is described in more detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are used only to illustrate the present application and not to limit it. Furthermore, it should be noted that, for the sake of clarity, the drawings show only some of the structures associated with the present application, and not all of them.

[0021] In the description of this application, the terms "connected," "connected," and "fastening" should be understood in the broadest sense, unless expressly stated otherwise and limited. Thus, for example, the connection could be permanent, detachable, or a single-piece connection, as well as mechanical or electrical. Furthermore, it could be a direct connection, an indirect connection established via an intermediate piece, an internal connection between two elements, or an interaction between two elements. Those skilled in the art in this field can use the facts as a basis to determine the intended meaning of these terms in the present application.

[0022] In the present application, a formulation stating that a first feature is "above" or "below" a second feature implies that the first feature is in direct contact with the second feature, or it may include that the first feature is not in direct contact with the second feature, but is in contact with the second feature through additional features between them, unless expressly stated and limited otherwise. Furthermore, the formulation stating that the first feature is "at," "above," and "on" the second feature implies that the first feature is directly above or obliquely above the second feature, with the first feature being higher horizontally than the second feature.And the formulation that the first feature is “below”, “below”, and “underneath” the second feature implies that the first feature is directly below or diagonally below the second feature, with the first feature being lower in horizontal height than the second feature.

[0023] In the description of the embodiments, the terms "top," "bottom," "left," "right," etc., are used in relation to the directional or positional relationship shown in the respective illustration. They serve only for the convenience of description and to simplify operation, and do not indicate or imply that the device or element in question must have a particular orientation, be designed and operated in a particular direction; therefore, they should not be interpreted as limiting the present application. Furthermore, the terms "first" and "second" are used only for differentiation in the description and have no special meaning.

[0024] The embodiment provides a socket for connectors. No auxiliary fastening is required for mounting and securing the plug plate 20, thereby reducing the number of parts, lowering costs, and simplifying the assembly steps. As in Fig. As shown in Figure 1, the socket for connectors comprises a socket housing 10, a contact element 30, and two plug-in plates 20. The socket housing 10 is provided with a receiving cavity 11. Two receiving cavities 11 are arranged along a first direction (X-direction in Fig. 1) arranged side by side and extending along a second direction (Y-direction in Fig. 1, where the Y-direction is perpendicular to the X-direction). Each of the plug-in plates 20 is partially inserted into the corresponding receiving cavity 11, and the plug-in plate 20 is in a clamping fit with the receiving cavity 11. The contact element 30 is inserted into the receiving cavity 11. Due to the clamping connection of the plug-in plate 20 with the receiving cavity 11, the plug-in plate 20 can be inserted directly into the receiving cavity 11, thus securing the plug-in plate 20 in the socket housing 10. No auxiliary fastening such as a rubber core is required, which reduces the number of parts, lowers costs, and simplifies the assembly steps of the plug-in plate 20.

[0025] In particular, as in Fig. 2 shown, the receiving cavity 11 along both side walls in a third direction (Z-direction in Fig. 2, where the Z-direction is perpendicular to the X- and Y-directions) each is provided with a limiting groove 111. The limiting groove 111 extends along the Y-direction. The distance between the two limiting grooves 111 is adapted to the size of the insert plate 20 in the Z-direction, and the width of the limiting groove 111 is adapted to the size of the insert plate 20 in the X-direction. In particular, the limiting groove 111 is provided in the annular side wall 117 of the receiving cavity 11, and the adjustment of the limiting groove 111 ensures that the insert plate 20 is limited in the X- and Z-directions after insertion into the receiving cavity 11. Furthermore, as in Fig. 3 and Fig. Figure 4 shows a clamping projection 112 projecting from the bottom of at least one limiting groove 111, a clamping slot 221 arranged on the side wall of the plug-in plate 20, and the clamping projection 112 being confined within the clamping slot 221. Due to the above configuration, after the plug-in plate 20 has been inserted, the clamping slot 221 confines the clamping projection 112 in the Y-direction, so that the plug-in plate 20, after being inserted into the receiving cavity 11, is confined in three directions and then securely fastened within the receiving cavity 11. In other embodiments, the clamping slot 221 can also be located at the bottom of the limiting groove 111, and the clamping projection 112 can be located projecting from the side wall of the plug-in plate 20. A slight deformation of the annular side wall 117 during the insertion process can achieve the clamping connection and securing of the plug-in plate 20, which is not limited here.

[0026] In this embodiment, clamping projections 112 are provided on the bottoms of the two limiting grooves 111 to ensure the balance of the clamping connection on both sides of the plug-in plate 20 and to improve the stability of the clamping connection. Correspondingly, clamping slots 221 are provided on both sides of the plug-in plate 20.

[0027] Preferably, the thickness of the clamping projection 112 gradually increases from one end of the insertable plate 20 to the other. It is understood that the thickness of the clamping projection 112 gradually increases from the end facing an insertion opening of the insertable plate 20 to the other end. Due to the above-mentioned adjustment, a free end of the clamping projection 112 forms a guide chamfer. The insertable plate 20 gradually inserts itself along this guide chamfer during the insertion process, thus making the insertion process less strenuous.

[0028] Furthermore, as in Fig. As shown in Figure 3, the insertion end 24 of the plug-in plate 20 is first inserted into the receiving cavity 11. The plug-in plate 20 comprises an insertion section 21, a groove section 22, and a tail section 23, which are connected sequentially from the insertion end 24 to the other end. Both clamping slots 221 are arranged on opposite sides of the groove section 22 along the Z-direction. The size of the insertion section 21 in the Z-direction is smaller than the size of the tail section 23 in the Z-direction. Assuming a successful clamping connection, this configuration minimizes the excess of the insertion end 24 and the clamping projection 112; that is, the outward deformation of the clamping projection 112 is reduced to a minimum, thus further simplifying the insertion process.

[0029] Preferably, the insertion section 21 comprises, as shown in Fig. Figure 3 shows a plane section 211 and a guide section 212 connected to the groove section 22. An outer boundary of one side of the guide section 212 in the Z-direction has a gradually decreasing height from a free end of the side wall of the clamping slot 221 to an outer boundary of one side of the plane section 211 in the Z-direction. Due to the above setting, there is essentially no interference fit between the plane section 211 and the clamping projection 112 during insertion of the plane section 211. Furthermore, adjusting the inclination of the edge of the guide section 212 allows the interference fit to gradually increase as the guide section 212 passes through the clamping projection 112, thus ensuring maximum labor savings during insertion.It should be noted that the insertion end 24 serves both as an end of the plug plate 20 and as an end of the insertion section 21, and that the size of the insertion end 24 in the Z direction is smaller than the size of the tail section 23 in the Z direction.

[0030] Preferably, as in Fig. 1, Fig. 5 and Fig. Figure 6 shows that the bottom of the receiving cavity 11 is provided with a limiting section 113. The limiting section 113 is connected to the side wall of the receiving cavity 11, namely the annular side wall 117. A first limiting projection 114 is provided inside the receiving cavity 11. A second limiting projection 32 is provided on the contact element 30. One end of the contact element 30 rests against the limiting section 113. The second limiting projection 32 rests against a side of the first limiting projection 114 facing the limiting section 113. The plug-in plate 20 is inserted into the other end of the contact element 30. The above setting inserts the contact element 30 into the receiving cavity 11 along a negative direction of the Y direction (see the arrow direction of the Y direction in the drawings; a positive direction of the Y direction is similar, not explained in detail below).A support foot 33 of the contact element 30 rests against the limiting section 113, i.e., the limiting section 113 restricts the movement of the contact element 30 in the negative direction of the Y-direction. When the first limiting projection 114 is in the defined position, the free end of the contact element 30 rests against the second limiting projection 32, i.e., the second limiting projection 32 restricts the movement of the contact element 30 in the positive direction of the Y-direction. The receiving cavity 11 itself restricts the movement of the contact element 30 in the X- and Z-directions, thereby securing the contact element 30 more securely within the receiving cavity 11. In particular, the contact element 30 further comprises a main body 31. A second limiting projection 32 is provided on the main body 31. Both ends of the main body 31 are each provided with a support foot 33. The plug-in plate 20 is inserted into one end of the other support leg 33.

[0031] Preferably, as in Fig. As shown in Figure 6, the limiting section 113 comprises a body 1131 and a hook section 1132. The body 1131 is connected to the annular side wall 117. The hook section 1132 is connected to the body 1131. One end of the contact element 30 rests against the free end of the hook section 1132. Due to the above configuration, the hook section 1132 prevents excessive force from being applied when inserting the contact element 30. If only the body 1131 is provided, there is a risk that the body 1131 will deform excessively and the contact element 30 will slip out of the annular side wall 117. The hook section 1132 can play a more effective role in preventing slippage and limiting the limiting function.

[0032] Preferably, two limiting sections 113 are provided. The two limiting sections 113 are each arranged on opposite sides of the receiving cavity 11 in the X direction. Both support feet 33 at one end of the contact element 30 bear against the corresponding limiting section 113, thereby improving the stability of the limiting on the contact element 30.

[0033] Optional, as in Fig. As shown in Figure 2, the socket housing 10 further comprises a connecting plate 12. The plane of the connecting plate 12 is perpendicular to the Y-direction. The connecting plate 12 surrounds the receiving cavity 11 and connects the two receiving cavities 11. The connecting plate 12, as a component that rests against the mounting plane of the part to be mounted, plays a role in supporting the entire socket for connectors.

[0034] Preferably, as in Fig. Figure 1 shows several through-holes 121 at a connection point between the connecting plate 12 and the receiving cavity 11. These through-holes are spaced at intervals around one circumferential side of the receiving cavity 11. A clamping crossbar 115 is provided on the outer circumferential side of the receiving cavity 11, and a stepped groove 116 is provided at the tail end of the receiving cavity 11. The connector socket also includes a socket shield 40, which is ring-shaped, passes through the through-holes 121, and is enclosed around the outer circumference of the receiving cavity 11. The socket shield 40 is provided with an inwardly convex inner spring plate 41. A clamping hook 42 is provided at the end of the socket shield 40. The free end of the inner spring plate 41 can be limited by the clamping crossbar 115 and the clamping hook 42 can be limited by a wall of the step groove 116.Due to the above-mentioned adjustment, after the socket shield 40 has passed through several plug-in through holes 121 along the positive direction of the Y-direction, the free end of the inner spring plate 41 passes over the clamping crossbar 115 and rests against a rising wall of the clamping crossbar 115 in the positive direction of the Y-direction, i.e., the clamping crossbar 115 prevents the socket shield 40 from moving along the negative direction of the Y-direction, and the clamping hook 42 hooks on the wall of the stepped groove 116, i.e., the stepped groove 116 prevents the socket shield 40 from moving along the positive direction of the Y-direction, thus surrounding, limiting, and securing the socket shield 40 around the outer circumference of the receiving cavity 11.

[0035] In particular, as in Fig. As shown in Figure 1, the socket shield 40 comprises a shielding side wall 43, which is ring-shaped. The inner spring plate 41 and the clamping hook 42 are both connected to the shielding side wall 43.

[0036] The connecting plate 12 must be attached to the part to be mounted by a fastening element (e.g., screw or rivet and the other hard part). The material of the socket housing 10 is usually plastic, which, although it has some hardness, is still far from sufficient compared to the harder fastening element. As a result, the connecting plate 12 is slightly pressed in by this fastening element during attachment. To solve the above problem, as shown in Fig. As shown in Figure 2, four corners of the connecting plate 12 are each provided with a mounting hole 122. The socket for connectors also includes a steel sleeve 50. The steel sleeve 50 is press-fitted into the mounting hole 122. This configuration partially increases the strength of the connecting plate 12, and the fastening element is in contact with the steel sleeve 50 to prevent damage to the connecting plate 12.

[0037] Preferably, as in Fig. As shown in Figure 2, the steel sleeve 50 is provided with a fracture groove 51, i.e., the steel sleeve 50 is a ring body with a central fracture. This allows the assembly personnel to extrude the steel sleeve 50 during assembly, and as the diameter of the steel sleeve 50 decreases, it is more easily fitted into the mounting hole 122. After the extrusion force is released, the diameter of the steel sleeve 50 is restored, forming an interference fit with the mounting hole 122, thus saving force during assembly.

[0038] Preferably, as in Fig. As shown in Figure 2, the connecting plate 12 is further provided with an annular mounting groove 123. The annular mounting groove 123 surrounds at least two receiving cavities 11. The connector socket also includes a sealing element 70, which is press-fitted in the annular mounting groove 123. The above-mentioned configuration ensures that the interior of the receiving cavity 11 is isolated from the external environment after the connecting plate 12 has been mounted onto the assembly to be mounted, in order to prevent water vapor from entering the receiving cavity 11 and causing a short circuit, thereby improving the safety performance of the connector socket.

[0039] Optional, as in Fig.As shown in Figure 1, the connector socket also includes a high-voltage locking device 60. The high-voltage locking device 60 is inserted into the connecting plate 12 and is located between two receiving cavities 11 to play a role in signal transmission.

[0040] During the actual assembly of the connector socket, the contact element 30 is first inserted into the receiving cavity 11 along the negative direction of the Y-direction. Then, the plug plate 20 is inserted into the contact element 30 and into the receiving cavity 11 along the negative direction of the Y-direction. Finally, the socket shield 40 is inserted into the outer circumference of the receiving cavity 11 along the positive direction of the Y-direction. The assembly sequence of the steel housing 50, the sealing element 70, and the high-voltage locking device 60 is not limited here.

[0041] The embodiment further provides a connector. The connector comprises a plug and the aforementioned connector socket. The connector socket is mating with the plug. The connector accepts the aforementioned connector socket. Assembly is quick and the costs are lower.

[0042] It will be obvious that the embodiments of the present application described above are used only to clearly illustrate the examples of the present application and not to limit the embodiments of the present application. Various obvious modifications, adaptations, and substitutions can be made by a person skilled in the art in the relevant technical field without deviating from the scope of protection of the present application. There is neither the need nor the possibility of taking all embodiments as exhaustive examples. Any modification, equivalent replacement, or improvement made in the sense and principle of the present application falls within the scope of protection of the claims of the present application.

Claims

[1] Socket for connectors, characterized by , comprehensive: a socket housing (10) which is provided with two receiving cavities (11), wherein the two receiving cavities (11) are arranged side by side along a first direction and extend along a second direction; a contact element (30) that is inserted into the corresponding receiving cavity of the receiving cavities (11); and two plug-in plates (20), each of the plug-in plates (20) being partially inserted into the corresponding receiving cavity (11), and the plug-in plate (20) being in a clamping fit with the receiving cavity (11), the first direction being perpendicular to the second direction. [2] Socket for connector according to claim 1, characterized by, that the receiving cavity (11) is provided on both opposite inner walls along a third direction with a limiting groove (111), wherein the limiting groove (111) extends along the second direction, wherein a spacing size of both limiting grooves (111) is adapted to a size of the plug-in plate (20) in the third direction, wherein a width of the limiting groove (111) is adapted to a size of the plug-in plate (20) in the first direction, wherein either a bottom of at least one limiting groove (111) or a corresponding side wall of the plug-in plate (20) is provided with a clamping projection (112), while the other part is provided with a clamping slot (221), wherein the clamping projection (112) is held in the clamping slot (221), wherein the third direction is perpendicular to the first and second directions. [3] Socket for connector according to claim 2, characterized by, that the bottoms of the two limiting grooves (111) are each provided with a clamping projection (112), and both sides of the plug-in plate (20) are each provided with a clamping slot (221), wherein the thickness of the clamping projection (112) gradually increases from one end of the plug-in plate (20) to the other end. [4] Socket for connector according to claim 3, characterized by , that a plugging end (24) of the plugging plate (20) is first inserted into the receiving cavity (11), the plugging plate (20) comprising a plugging section (21), a groove section (22) and a tail section (23) which are successively connected from the plugging end (24) to the other end, both clamping slots (221) being arranged on both opposite sides of the groove section (22) along the third direction, wherein a size of the plugging section (21) in the third direction is smaller than a size of the tail section (23) in the third direction. [5] Socket for connector according to claim 4, characterized by , that the insertion section (21) comprises a plane section (211) and a guide section (212) connected to the plane section (211), wherein the guide section (212) is connected to the groove section (22), wherein an outer boundary of a side of the guide section (212) has a gradually decreasing height in the third direction from a free end of a side wall of the clamping slot (221) to an outer boundary of a side of the plane section (211) in the third direction. [6] Socket for connectors according to any one of claims 1 to 5, characterized by, that a limiting section (113) is provided at the bottom of the receiving cavity (11), wherein the limiting section (113) is connected to a side wall of the receiving cavity (11), wherein a convex first limiting projection (114) is provided inside the receiving cavity (11), wherein a convex second limiting projection (32) is provided on the contact element (30), wherein one end of the contact element (30) rests against the limiting section (113), the second limiting projection (32) rests against a side of the first limiting projection (114) facing the limiting section (113), and wherein the plug-in plate (20) is inserted at the other end of the contact element (30). [7] Socket for connector according to claim 6, characterized by , that the limiting section (113) includes: a body (1131) that is connected to the side wall of the receiving cavity (11); and a hook section (1132) which is connected to the body (1131), wherein one end of the contact element (30) rests against a free end of the hook section (1132). [8] Socket for connector according to claim 6, characterized by, that the socket housing (10) further comprises a connecting plate (12), wherein one plane of the connecting plate (12) is perpendicular to the second direction, wherein the connecting plate (12) surrounds the receiving cavity (11) and connects the two receiving cavities (11), wherein several insertion holes (121) are provided at a connection point of the connecting plate (12) with the receiving cavity (11), wherein the insertion holes (121) are arranged at intervals on a circumferential side of the receiving cavity (11), wherein a clamping crossbar (115) is provided on an outer circumferential side of the receiving cavity (11), and wherein a stepped groove (116) is provided at a tail end of the receiving cavity (11);wherein the socket for connectors further comprises a socket shield (40) which is annular in shape and passes through the plug-in through holes (121) and is enclosed on an outer circumference of the receiving cavity (11), wherein an inwardly convex inner spring plate (41) is provided on the socket shield (40) and a clamping hook (42) is provided at the end of the socket shield (40), wherein a free end of the inner spring plate (41) can be held by the clamping crossbar (115), and the clamping hook (42) can be held by a wall of the stepped groove (116). [9] Socket for connector according to claim 8, characterized by , that four corners of the connecting plate (12) are each provided with a mounting hole (122), wherein the socket for connectors further comprises a steel shell (50), wherein the steel shell (50) is fitted with an interference fit in the mounting hole (122). [10] Connector comprising a plug, characterized by, that the connector further comprises a socket for connectors according to any one of claims 1 to 9, wherein the socket for connectors and the plug are in a plug connection.

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