Connector

Abstract

The utility model provides a connector. The connector comprises a connector body and an extrusion limiting device. The connector body comprises a connector head and a connector seat, the connector head is in threaded connection with the connector seat, and an anti-loosening structure is further arranged between the connector head and the connector seat; the anti-loosening structure comprises an anti-loosening groove and an anti-loosening piece, the anti-loosening groove is arranged on one of the connector head and the connector seat, and the anti-loosening piece is arranged on the other one of the connector head and the connector seat; the extrusion limiting device is arranged on the connector body and used for extruding and limiting the anti-loosening piece so that the anti-loosening piece can be clamped into the anti-loosening groove. Compared with the prior art, the connector provided by the utility model has the advantages that the connector head and the connector seat are not easy to loosen, and the reliability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of communications, in particular to a connector. Background Art

[0002] Connectors are usually used to connect two active devices to achieve current and signal transmission. They are widely used in the fields of automobiles, ships, aerospace, etc. For example, connectors can be used to transmit signals generated by sensors. Due to the complex and diverse application environments of sensors (vibration, high temperature, impact, etc.), connectors must maintain stable and reliable connections in various extreme environments.

[0003] The connector of the prior art includes a connector head and a connector seat, and the connector head and the connector seat are usually connected by a threaded structure, and the fixed connection between the connector head and the connector seat is achieved by rotation. For example, in some connectors of the prior art, a locking nut is usually provided on the connector head, and a thread matching the locking nut is provided on the connector seat, so that the connector head and the connector seat are fixedly connected by the threaded structure.

[0004] However, the connector in the prior art completely relies on the friction of the thread structure to prevent loosening, which is only used to prevent the connection between the connector head and the connector seat from loosening. After the connector is installed, under the action of long-term vibration and impact, the connection of the thread structure will loosen or fall off, causing the connector head and the connector seat to loosen or even separate, thereby causing signal interruption and seriously affecting the reliability of the connector. Utility Model Content

[0005] In view of the above technical problems, the utility model provides a connector, which is provided with an anti-loosening structure and an extrusion limiting device between a connector head and a connector seat, the anti-loosening structure includes an anti-loosening groove and an anti-loosening piece, the anti-loosening groove is provided on one of the connector head and the connector seat, and the anti-loosening piece is provided on the other of the connector head and the connector seat. When the connector head is connected to the connector seat, the anti-loosening piece can be stuck in the anti-loosening groove through the extrusion limiting device, so that the cooperation between the anti-loosening piece and the anti-loosening groove provides additional resistance to prevent loosening between the connector head and the connector seat, thereby improving the reliability of the connector.

[0006] A connector, comprising a connector body and an extrusion limiting device;

[0007] The connector body comprises a connector head and a connector seat, the connector head is threadedly connected to the connector seat, and an anti-loosening structure is also provided between the connector head and the connector seat;

[0008] The anti-loosening structure comprises an anti-loosening groove and an anti-loosening member, wherein the anti-loosening groove is arranged on one of the connector head and the connector seat, and the anti-loosening member is arranged on the other of the connector head and the connector seat;

[0009] The extrusion limiting device is arranged on the connector body, and is used for extruding and limiting the anti-loosening member, so that the anti-loosening member is stuck in the anti-loosening groove.

[0010] Preferably, the extrusion limiting device is movably arranged on the connector body;

[0011] The extrusion limiting device has a locking state in which it contacts the anti-loosening member and inserts the anti-loosening member into the anti-loosening groove; and an unlocking state in which it is separated from the anti-loosening member after relatively moving with the connector body.

[0012] Preferably, the extrusion limiting device includes a movable cap and a limiting cover plate;

[0013] The movable cap is sleeved on the connector body;

[0014] The limiting cover plate is connected to the movable cap and is used for pressing and limiting the anti-loosening member.

[0015] Preferably, it also includes a positioning ring;

[0016] The positioning ring is arranged on the connector body and is located inside the movable cap to position the movable cap.

[0017] Preferably, a spring is provided between the limiting cover plate and the positioning ring.

[0018] Preferably, a step portion is provided on the connector body, and the positioning ring is fixed at the step portion by interference fit.

[0019] Preferably, it also includes a limiting column;

[0020] The limiting column is arranged on the connector body, and is used for limiting the movable cap when the extrusion limiting device is in the locking state, so that the extrusion limiting device maintains the locking state.

[0021] Preferably, a mounting hole is provided on the connector body, the limiting column is fixed at the mounting hole by interference fit, and the limiting column and the connector body are fixed by welding.

[0022] Preferably, a plurality of the limiting columns are provided, and all the limiting columns are sequentially spaced and distributed along the circumference of the connector body.

[0023] Preferably, a limiting post through hole is provided on the movable cap, and the limiting post through hole matches the limiting post;

[0024] The movable cap can be rotated relative to the connector body so that the limiting post through hole is aligned with the limiting post.

[0025] Preferably, the anti-loosening groove is arranged on the outer periphery of the connector seat;

[0026] The anti-loosening member is a ball, and a ball hole is provided on the connector head, and the ball is placed in the ball hole.

[0027] Preferably, the diameters of the inner and outer openings of the ball hole are both smaller than the diameter of the ball, and the ball can move in the ball hole.

[0028] Preferably, a plurality of the ball holes are provided, all of which are spaced apart in sequence along the circumference of the connector head, and the ball is placed in each of the ball holes.

[0029] Preferably, the connector seat comprises a socket housing, a pin, and a socket insulating portion;

[0030] The outer periphery of the socket housing is provided with an external thread for connecting with the connector head;

[0031] The plug pin is fixed to the socket housing through the socket insulating portion, and a plurality of the plug pins are provided, and the socket insulating portion separates any two adjacent plug pins;

[0032] The anti-loosening groove is arranged on the outer circumference of the socket shell.

[0033] Preferably, the connector head comprises a connecting sleeve, a jacket shell, and a socket portion;

[0034] The inner surface of the connecting sleeve is provided with an internal thread for connecting with the connector seat;

[0035] The outer shell is connected to the connecting sleeve and is at least partially located in the connecting sleeve;

[0036] The socket portion is arranged in the outer shell, and a socket is provided inside, and the socket matches the pin of the connector seat;

[0037] The anti-loosening component is arranged on the connecting sleeve.

[0038] Preferably, the outer shell includes a first outer shell and a second outer shell;

[0039] A portion of the first outer shell is located in the connecting sleeve, and another portion thereof extends out of the connecting sleeve in a direction away from the connector seat;

[0040] The second outer shell is located outside the connecting sleeve and is fixedly connected to a portion extending from the first outer shell.

[0041] Preferably, the connector head further comprises a pressing portion, which is connected to an end of the second outer shell body away from the first outer shell body and is used for pressing the cable.

[0042] Preferably, the clamping part includes a clamping nut, a fastener, and a clamping screw;

[0043] The compression nut is threadedly connected to the second outer shell;

[0044] The fastener is connected to the compression nut to compress the cable;

[0045] The clamping screw is connected to the fastener.

[0046] Preferably, the connector head further comprises a mounting member, the mounting member is arranged in the outer shell body, the socket portion is arranged in the mounting member, and the mounting member is provided with an avoidance hole corresponding to the socket.

[0047] Preferably, the mounting member includes a first mounting member and a second mounting member;

[0048] The first mounting member is provided with the avoidance hole;

[0049] The second mounting member is located at one end of the first mounting member away from the connector seat and is used to fix the first mounting member. The first mounting member is key-matched with the outer shell, and the outer shell is key-matched with the connector seat.

[0050] Preferably, the first mounting member is key-matched with the second outer shell body, and the connector seat is key-matched with the first outer shell body and the first mounting member.

[0051] Preferably, the connector head further comprises a pin ring, which surrounds the outer circumference of the socket portion and is located close to one end of the connector seat.

[0052] Compared with the prior art, the connector provided by the utility model includes a connector body and an extrusion limiting device; the connector body includes a connector head and a connector seat, the connector head is threadedly connected to the connector seat, and an anti-loosening structure is also arranged between the connector head and the connector seat; the anti-loosening structure includes an anti-loosening groove and an anti-loosening member, the anti-loosening groove is arranged on one of the connector head and the connector seat, and the anti-loosening member is arranged on the other of the connector head and the connector seat; the extrusion limiting device is arranged on the connector body, for extruding and limiting the anti-loosening member, so that the anti-loosening member is stuck in the anti-loosening groove. The connector is provided with the anti-loosening structure and the extrusion limiting device. When the connector head is connected to the connector seat, the anti-loosening member can be squeezed and limited by the extrusion limiting device, so that the anti-loosening member is stuck in the anti-loosening groove. The anti-loosening is achieved by the cooperation between the anti-loosening member and the anti-loosening groove, thereby ensuring that the connector does not fall back and loosen after cooperation, thereby improving the reliability of the connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0053] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0054] Figure 1 A schematic diagram of the exploded structure of a connector provided in an embodiment;

[0055] Figure 2 A schematic cross-sectional structure diagram of a connector (when the extrusion limit device is in a locked state) provided in an embodiment;

[0056] Figure 3 for Figure 2 A schematic diagram of the cross-sectional structure of the connector shown at another angle;

[0057] Figure 4 A schematic cross-sectional structure diagram of a connector head and an extrusion limiting device provided in an embodiment;

[0058] Figure 5 for Figure 4 A schematic diagram of a cross-sectional structure of the structure shown at another angle;

[0059] Figure 6 for Figure 1 A schematic diagram of the three-dimensional structure of the socket housing shown;

[0060] Figure 7 for Figure 6 Schematic diagram of the plane structure of the socket housing shown

[0061] Figure 8 for Figure 1 Schematic diagram of the three-dimensional structure of the connecting sleeve shown

[0062] Fig. 9 for Figure 8 A schematic diagram of the planar structure of the connecting sleeve shown;

[0063] Fig.10 For along Fig. 9 A schematic cross-sectional structure diagram of CC shown;

[0064] Fig.11 for Figure 1 A schematic diagram of the three-dimensional structure of the movable cap shown;

[0065] Fig.12 This is a schematic diagram of the structure after the anti-loosening part is installed into the connecting sleeve;

[0066] Fig.13 This is a schematic diagram of the structure after the limit column is installed into the connecting sleeve;

[0067] Fig.14 This is a schematic diagram of the structure after the extrusion limit device and the limit ring are installed into the connecting sleeve;

[0068] Fig.15 This is a schematic diagram of the structure after the extrusion limit device and the connector head are installed;

[0069] in:

[0070] Connector 100;

[0071] Extrusion limiting device 10, movable cap 11, limiting cover plate 12, blocking wall 111, limiting column through hole 112, inner surface 1111, outer surface 1112;

[0072] Connector head 20, stepped portion 201, mounting hole 202, ball hole 203, inner port 2031, outer port 2032, connecting sleeve 21, outer shell 22, socket portion 23, pressing portion 24, mounting member 25, pin ring 26, force application portion 211, first outer shell 221, second key slot 2211, second outer shell 222, first key 2221, socket 231, pressing nut 241, fastener 242, pressing screw 243, first mounting member 251, avoidance hole 2501, first key slot 2511, second mounting member 252;

[0073] Connector seat 30, socket housing 31, second key position 311, plug pin 32, socket insulating portion 33;

[0074] Anti-loosening structure 40, anti-loosening groove 41, anti-loosening member 42;

[0075] Positioning ring 50;

[0076] Spring 60;

[0077] Limiting column 70. DETAILED DESCRIPTION

[0078] In order to enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0079] It should be noted that when a component is referred to as being "fixed on", "installed on" or "set on" another component, it can be directly on the other component or indirectly set on the other component; when a component is "connected" to another component, or a component is referred to as being "connected to" another component, it can be directly connected to the other component or indirectly connected to the other component.

[0080] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0081] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, "multiple" and "several" mean two or more, unless otherwise clearly and specifically defined.

[0082] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0083] The utility model provides a connector, which includes a connector body and an extrusion limiting device; the connector body includes a connector head and a connector seat, the connector head is threadedly connected to the connector seat, and an anti-loosening structure is also provided between the connector head and the connector seat; the anti-loosening structure includes an anti-loosening groove and an anti-loosening member, the anti-loosening groove is provided on one of the connector head and the connector seat, and the anti-loosening member is provided on the other of the connector head and the connector seat; the extrusion limiting device is provided on the connector body, and is used to squeeze and limit the anti-loosening member, so that the anti-loosening member is stuck in the anti-loosening groove. The connector is provided with the anti-loosening structure and the extrusion limiting device, and when the connector head is connected to the connector seat, the anti-loosening member can be squeezed and limited by the extrusion limiting device, so that the anti-loosening member is stuck in the anti-loosening groove, and the anti-loosening is achieved by the cooperation between the anti-loosening member and the anti-loosening groove, thereby ensuring that the connector after cooperation has no retreat and looseness phenomenon, and improving the reliability of the connector.

[0084] Please refer to Figures 1 to 15 In one embodiment, a connector 100 is provided, which is mainly used to solve the problem that the existing connector is prone to loosening after installation.

[0085] The connector 100 includes a connector body and an extrusion limit device 10 . The connector body includes a connector head 20 and a connector seat 30 . The connector head 20 is threadedly connected to the connector seat 30 , and an anti-loosening structure 40 is also provided between the connector head 20 and the connector seat 30 .

[0086] The anti-loosening structure 40 includes an anti-loosening groove 41 and an anti-loosening member 42. The anti-loosening groove 41 is disposed on one of the connector head 20 and the connector seat 30, and the anti-loosening member 42 is disposed on the other of the connector head 20 and the connector seat 30. That is, when the anti-loosening groove 41 is disposed on the connector head 20, the anti-loosening member 42 is disposed on the connector seat 30; when the anti-loosening groove 41 is disposed on the connector seat 30, the anti-loosening member 42 is disposed on the connector head 20.

[0087] When the connector head 20 is threadedly connected with the connector seat 30, the anti-loosening member 42 can be correspondingly inserted into the anti-loosening groove 41, and the anti-loosening member 42 cooperates with the anti-loosening groove 41 to limit the position between the connector head 20 and the connector seat 30. Under the action of vibration and impact, the anti-loosening structure 40 can provide resistance to prevent the connector head 20 and the connector seat 30 from loosening or falling off, thereby realizing the anti-loosening function.

[0088] The extrusion and limiting device 10 is arranged on the connector body, and is used to squeeze and limit the anti-loosening member 42, so that the anti-loosening member 42 is stuck in the anti-loosening groove 41. That is to say, when the connector head 20 is threadedly connected with the connector seat 30, the extrusion and limiting device 10 can apply force to the anti-loosening member 42, so that the anti-loosening member 42 is stuck in the anti-loosening groove 41. Through the arrangement of the extrusion and limiting device 10, the anti-loosening member 42 can be stuck in the anti-loosening groove 41 more stably, thereby further improving the anti-loosening effect.

[0089] The extrusion limiting device 10 is disposed on the connector body, which means that: the extrusion limiting device 10 can be disposed on the connector head 20; or the extrusion limiting device 10 can be disposed on the connector seat 30; or even the extrusion limiting device 10 can be disposed on both the connector head 20 and the connector seat 30 (or the components on the extrusion limiting device 10 can be disposed on the connector head 20 and the connector seat 30, respectively). In other words, as long as the connector head 20 and the connector seat 30 are threadedly connected, the extrusion limiting device 10 can realize the extrusion limiting of the anti-loosening member 42 to improve the anti-loosening effect, and the extrusion limiting device 10 can be disposed on any component on the connector body.

[0090] It is understandable that in the connectors of the prior art, the connector head and the connector seat are connected together by threads, and there are no other anti-loosening measures between the connector head and the connector seat. The anti-loosening is completely prevented by the friction of the threads. Under long-term vibration and impact, the connection of the threaded structure will loosen or fall off, causing the connector head and the connector seat to loosen or even separate, thereby causing signal interruption and seriously affecting the reliability of the connector.

[0091] The connector 100 provided in this embodiment is provided with the anti-loosening structure 40, and the anti-loosening groove 41 cooperates with the anti-loosening member 42 to better prevent the connector head 20 and the connector seat 30 from loosening. In addition, the extrusion limiting device 10 is provided, and the anti-loosening member 42 can be locked in the anti-loosening groove 41 more stably by the extrusion limiting device 10 extruding and limiting the anti-loosening member 42, so as to further improve the anti-loosening effect.

[0092] Specifically, in one embodiment, the connector 100 is a connector for transmitting signals generated by a sensor.

[0093] Specifically, in one embodiment, the anti-loosening groove 41 is provided on the connector seat 30 , the anti-loosening member 42 is provided on the connector head 20 , and the extrusion limiting device 10 is provided on the connector head 20 .

[0094] Preferably, in one embodiment, the extrusion limiting device 10 is movably arranged on the connector body. That is, the extrusion limiting device 10 is not completely fixed on the connector body, but can move to a certain extent relative to the connector body, and can change its position on the connector body through movement. The extrusion limiting device 10 has a locking state in which it contacts the anti-loosening member 42 and inserts the anti-loosening member 42 into the anti-loosening groove 41; and an unlocking state in which it is separated from the anti-loosening member 42 after relative movement with the connector body. That is to say, the extrusion limit device 10 has at least two states on the connector body, one is a locked state, in which the extrusion limit device 10 squeezes and limits the anti-loosening member 42, thereby improving the anti-loosening effect; the other state is an unlocked state, in which the extrusion limit device 10 is separated from the anti-loosening member 42, and the anti-loosening member 42 is no longer subjected to external extrusion, so that it is easier to detach from the anti-loosening groove 41, thereby facilitating the disassembly and separation between the connector head 20 and the connector seat 30.

[0095] Preferably, in one embodiment, the extrusion limiting device 10 includes a movable cap 11 and a limiting cover plate 12, and the movable cap 11 is sleeved on the connector body, that is, the movable cap 11 can rotate relative to the connector body and can also move axially. The limiting cover plate 12 is connected to the movable cap 11 to squeeze and limit the anti-loosening member 42. That is to say, in this embodiment, the extrusion limiting device 10 specifically squeezes and limits the anti-loosening member 42 through the limiting cover plate 12, and the movement of the movable cap 11 drives the movement of the limiting cover plate 12, thereby realizing the extrusion limiting and separation of the extrusion limiting device 10 and the anti-loosening member 42.

[0096] Specifically, in one embodiment, the limiting cover plate 12 is located at one end inside the movable cap 11 and is fixedly connected to the movable cap 11 by laser welding.

[0097] Preferably, in one embodiment, a positioning ring 50 is further included, and the positioning ring 50 is provided on the connector body and located inside the movable cap 11, so as to position the movable cap 11. That is to say, in this embodiment, the connector 100 is provided with the positioning ring 50 for positioning the movable cap 11, so that when the movable cap 11 is manipulated and adjusted, the position state of the movable cap 11 can be adjusted more accurately.

[0098] Specifically, in one embodiment, the positioning ring 50 is used to position the axial position of the movable cap 11, for example, Figure 2 In the illustrated embodiment, when the connector head 20 is connected to the connector seat 30 and the movable cap 11 is pushed to move to the left to the positioning ring 50, the movable cap 11 is blocked by the positioning ring 50. At this time, the limiting cover plate 12 is in the position of squeezing and limiting the anti-loosening member 42, so that the positioning ring 50 realizes the locking state of the extrusion limiting device 10.

[0099] Preferably, in one embodiment, a blocking wall 111 is provided at the end of the movable cap 11 , and the positioning ring 50 is used to block and position the inner surface 1111 of the blocking wall 111 .

[0100] Preferably, in one embodiment, a spring 60 is provided between the limiting cover plate 12 and the positioning ring 50. The setting of the spring 60 can provide elastic force for the extrusion limiting device 10, so as to more stably extrusion limit the anti-loosening member 42, and also can achieve a certain degree of buffering to avoid damage between components due to rigid force. Figure 2In the illustrated embodiment, after the connector head 20 is connected to the connector seat 30, when the operator pushes the movable cap 11 to move to the left, the operator's thrust and the elastic force of the spring 60 cause the limiting cover plate 12 to squeeze and limit the anti-loosening member 42 into the anti-loosening groove 41. When the squeezing and limiting device 10 is in the locked state, the spring 60 is in a compressed state, thereby applying force to the limiting cover plate 12 to squeeze and limit the anti-loosening member 42 more stably.

[0101] Preferably, in one embodiment, a step portion 201 is provided on the connector body, and the positioning ring 50 is fixed at the step portion 201 by interference fit. That is to say, in this embodiment, the positioning ring 50 is fixed to the connector body by interference fit, specifically connected to the step portion 201 of the connector body. Specifically, in one embodiment, the step portion 201 is provided on the connector head 20.

[0102] Preferably, in one embodiment, the connector 100 further includes a limiting column 70, and the limiting column 70 is disposed on the connector body, and is used to limit the movable cap 11 when the extrusion limiting device 10 is in the locked state, so that the extrusion limiting device 10 maintains the locked state. That is to say, in this embodiment, a structure for locking and limiting the extrusion limiting device 10 is provided on the connector body, and when the connector head 20 is connected to the connector seat 30, and the extrusion limiting device 10 is in the locked state, the extrusion limiting device 10 can be blocked and limited by the limiting column 70, so as to maintain the locked state of the extrusion limiting device 10, thereby realizing the self-locking of the connector 100, and further improving the anti-loosening effect.

[0103] Specifically, in one embodiment, the limiting column 70 is disposed on the connector head 20 .

[0104] Preferably, in one embodiment, the positioning ring 70 is used to block and limit the outer surface 1112 of the blocking wall 111 .

[0105] Preferably, in one embodiment, a mounting hole 202 is opened on the connector body, the limit column 70 is fixed at the mounting hole 202 by interference fit, and the limit column 70 and the connector body are welded and fixed, so that the installation of the limit column 70 can be simplified and the connection reliability between the limit column 70 and the connector body can be guaranteed.

[0106] Specifically, in one embodiment, the mounting hole 202 is opened on the connector head 20 .

[0107] Preferably, in one embodiment, the limiting posts 70 are provided in plurality (at least two), and all the limiting posts 70 are sequentially spaced and distributed along the circumference of the connector body. By providing a plurality of limiting posts 70 in the circumferential direction, when the extrusion limiting device 10 is blocked and limited, the force on the extrusion limiting device 10 is more balanced and no deflection occurs.

[0108] Preferably, in one embodiment, the movable cap 11 is provided with a limiting post through hole 112, and the limiting post through hole 112 matches the limiting post 70, wherein the matching here means that the size of the limiting post through hole 112 is not less than the size of the limiting post 70, so that when the limiting post through hole 112 is aligned with the limiting post 70, the limiting post 70 can pass through the limiting post through hole 112. The movable cap 11 can be rotated relative to the connector body so that the limiting post through hole 112 is aligned with the limiting post 70. That is to say, in this embodiment, after rotating the movable cap 11, the limiting post through hole 112 on the movable cap 11 can be aligned with the limiting post 70, so that the movable cap 11 can axially pass through the limiting post 70 through the limiting post through hole 112, so that the limiting post 70 loses the limit to the extrusion limiting device 10. This structure makes it easier to unlock the extrusion limit device 10. The movable cap 11 only needs to be rotated to align the limit column through hole 112 with the limit column 70 so that the movable cap 11 can pass through the limit column 70 to switch from the locked state to the unlocked state.

[0109] Preferably, in one embodiment, the limiting column through hole 112 is opened on the blocking wall 111 .

[0110] Preferably, in one embodiment, the anti-loosening groove 41 is arranged around the outer periphery of the connector seat 30, that is, the anti-loosening groove 41 is an annular structure and is arranged around the outer periphery of the connector seat 30. The anti-loosening member 42 is a ball, and a ball hole 203 is provided on the connector head 20, and the ball is placed in the ball hole. Through this structure, the anti-loosening effect between the anti-loosening groove 41 and the anti-loosening member 42 can be guaranteed, and at the same time, when the connector head 20 and the connector seat 30 need to be disassembled and separated, it also makes the disassembly and separation simpler and more convenient.

[0111] Preferably, in one embodiment, after the connector head 20 is connected to the connector seat 30 , the anti-loosening groove 41 is consistent with the center position of the roller hole 203 , thereby ensuring that the ball can fall into the center position of the anti-loosening groove 41 .

[0112] Specifically, in one embodiment, the balls may be steel balls or ceramic balls.

[0113] Preferably, in one embodiment, the diameters of the inner opening 2031 and the outer opening 2032 of the ball hole 203 are both smaller than the diameter of the ball, which can ensure that the ball does not fall out of the ball hole 203. The ball can move in the ball hole 203, that is, the ball can roll in the ball hole 203, and the ball can move up and down in the ball hole 203 to a certain extent. Specifically, during installation, the ball hole 203 first presents a tapered hole structure, such as Fig.10 As shown, at this time, the aperture of the inner opening 2031 is smaller than the diameter of the ball, and the aperture of the outer opening 2032 is larger than the diameter of the ball, so that the ball can be smoothly placed in the ball hole 203. After the ball is placed in the ball hole 203, the outer opening 2032 of the ball hole 203 is subjected to a shrinking process, so that the aperture of the outer opening 2032 is reduced to be smaller than the diameter of the ball, so that the ball hole 203 forms a shrinking structure, thereby confining the ball in the ball hole 203. The shrinking structure can ensure that the ball does not fall out, and can realize the up and down movement of the ball in the ball hole 203.

[0114] Preferably, in one embodiment, the ball holes 203 are provided with a plurality (at least two), all of which are spaced in sequence along the circumference of the connector head 20, and the ball is placed in each of the ball holes 203. With this structure, the force can be more balanced and the anti-loosening effect can be better guaranteed.

[0115] Preferably, in one embodiment, the connector seat 30 includes a socket shell 31, a plug pin 32, and a socket insulating portion 33. The outer periphery of the socket shell 31 is provided with an external thread for connecting with the connector head 20, and the anti-loosening groove 41 is arranged around the outer periphery of the socket shell 31. The plug pin 32 is fixed to the socket shell 31 through the socket insulating portion 33, and a plurality of (at least two) plug pins 32 are provided. The socket insulating portion 33 separates any two adjacent plug pins 32, thereby improving the withstand voltage and ensuring that the connector 100 has good safety. In addition, the socket insulating portion 33 is located in the socket shell 31, which can improve the airtightness of the connector 100. The plug pin 32 is used to lead out the electrical signal generated by the sensor.

[0116] Preferably, in one embodiment, the socket insulating portion 33 is a glass sintered blank, and the socket insulating portion 33 is sintered together with the plug pin 32 and the socket shell 31 to play a sealing role.

[0117] Preferably, in one embodiment, the plug pin 32 is a PIN pin.

[0118] Preferably, in one embodiment, the connector head 20 comprises a connection sleeve 21, a jacket shell 22, and a socket portion 23, and the inner surface of the connection sleeve 21 is provided with an internal thread for connecting with the connector seat 30. The jacket shell 22 is connected to the connection sleeve 21, and at least part of it is located in the connection sleeve 21. The socket portion 23 is arranged in the jacket shell 22, and a socket 231 is provided inside, and the socket 231 matches with the pin 32 of the connector seat 30, and matching here means that the aperture of the socket 231 is substantially the same as the diameter of the pin 32, so that the pin 32 can be correspondingly inserted into the socket 231. The anti-loosening member 42 is arranged on the connection sleeve 21. When the connector head 20 is connected to the connector seat 30, the pin 32 is inserted into the socket 231. The jacket shell 22 is used as a package of the connector head 20 to protect the internal parts. The socket portion 23 is used to cooperate with the pin 32 to transmit electrical signals.

[0119] Specifically, in one embodiment, the stepped portion 201 , the mounting hole 202 , and the ball hole 203 are all disposed on the connecting sleeve 21 .

[0120] Preferably, in one embodiment, a force-applying portion 211 is provided on the connecting sleeve 21 , and the force-applying portion 211 as a whole presents a hexagonal nut structure, so that the installation and disassembly between the connecting sleeve 21 and the connector seat 30 are more convenient.

[0121] Preferably, in one embodiment, the outer shell 22 includes a first outer shell 221 and a second outer shell 222. A portion of the first outer shell 221 is located inside the connecting sleeve 21, and another portion extends out of the connecting sleeve 21 in a direction away from the connector seat 30. The second outer shell 222 is located outside the connecting sleeve 21 and is fixedly connected to the portion extending from the first outer shell 221. With this structure, the cable can be better protected, and the split structure also makes the installation of the outer shell 22 more convenient.

[0122] Preferably, in one embodiment, the connector head 20 further comprises a clamping portion 24, which is connected to an end of the second outer shell 222 away from the first outer shell 221, for clamping the cable. By providing the clamping portion 24, after the connector 100 is installed, the cable can be better tightened and the position of the cable can be restricted.

[0123] Preferably, in one embodiment, the clamping portion 24 includes a clamping nut 241, a fastener 242, and a clamping screw 243. The clamping nut 241 is threadedly connected to the second outer shell 222. The fastener 242 is connected to the clamping nut 241 to clamp the cable. The clamping screw 243 is connected to the fastener 242. By setting the clamping nut 241, internal parts can be protected. By cooperating with the clamping screw 243 and the fastener 242, the fixation of the cable can be ensured.

[0124] Preferably, in one embodiment, the connector head 20 further includes a mounting member 25, the mounting member 25 is disposed in the outer shell 22, the socket portion 23 is disposed in the mounting member 25, and the mounting member 25 is provided with an avoidance hole 2501 corresponding to the socket 231. The arrangement of the mounting member 25 can protect internal parts.

[0125] Preferably, in one embodiment, the mounting member 25 includes a first mounting member 251 and a second mounting member 252, and the first mounting member 251 is provided with the avoidance hole 2501. The second mounting member 252 is located at an end of the first mounting member 251 away from the connector seat 30, and is used to fix the first mounting member 251. During installation, the first mounting member 251 can be first installed into the outer shell 22, and then the second mounting member 252 can be installed into the outer shell 22, and the axial position of the first mounting member 251 is limited by the second mounting member 252, so as to fix the first mounting member 251.

[0126] Specifically, in one embodiment, after the second mounting member 252 is installed, the axial position is fixed by squeezing through the clamping portion 24 on the rear side.

[0127] Preferably, in one embodiment, the first mounting member 251 is keyed with the outer shell 22, so that when the first mounting member 251 is installed in the outer shell 22, the first mounting member 251 can be more accurately positioned and limited in the circumferential direction. The outer shell 22 is keyed with the connector seat 30, so that the circumferential position between the first mounting member 251 and the connector seat 30 can be more accurately positioned and limited. In one embodiment, when the plug pin 32 needs to be inserted into the socket 23, this structure can better ensure that the plug pin 32 can be smoothly inserted into the socket 23.

[0128] Specifically, in one embodiment, the key-matching structure between the first mounting member 251 and the outer shell 22 is as follows: a first key slot 2511 is provided on the first mounting member 251, and a first key position 2221 is provided on the second outer shell 222. During installation, the first key slot 2511 is aligned with the first key position 2221, so that the first mounting member 251 can be directly pushed into the outer shell 22 along the axial direction. The key-matching structure between the outer shell 22 and the connector seat 30 is as follows: a second key position 311 is provided on the inner side wall of the socket shell 31, and a second key slot 2211 that matches the second key position 311 is provided on the first outer shell 221. When the connector seat 30 is connected to the connector head 20, the second key position 311 is correspondingly inserted into the second key slot 2211. Furthermore, the first key slot 2511 on the first mounting member 251 and the second key slot 2211 on the first outer shell body 221 are arranged to overlap with each other, that is, when the connector seat 30 and the connector head 20 are connected, the second key 311 can be smoothly inserted into the first key slot 2511 and the second key slot 2211, so that the circumferential position between the first mounting member 251 and the connector seat 30 can be more accurately positioned and limited.

[0129] Specifically, in one embodiment, the first mounting member 251 and the second mounting member 252 are both made of ceramics.

[0130] Preferably, in one embodiment, the connector head 20 further includes a pin ring 26, which surrounds the outer periphery of the socket portion 23 and is located near one end of the connector seat 30. By providing the pin ring 26, the contact tightness between the pin 32 and the socket 231 can be increased.

[0131] The following is an explanation of the manufacturing process of the connector 100 in one embodiment: the socket housing 31, the plug pin 32, and the socket insulating portion 33 are sintered to form the connector seat 30; the anti-loosening member 42 is placed in the ball hole 203, as shown in FIG. Fig.12 As shown, the ball hole 203 is then subjected to shrinkage treatment; the limiting column 70 is pressed into the mounting hole 203 through interference fit, and welding reinforcement can be appropriately performed to ensure its firmness, such as Fig.13 As shown; first, the movable cap 11 is matched with the connecting sleeve 21, and then the positioning ring 50 is placed, and the positioning ring 50 is pressed to the step portion 201 by the tooling, and then the spring 60 and the limit cover plate 12 are placed, and the limit cover plate 12 and the movable cap 11 are laser welded to form an assembly, such as Fig.14As shown; the assembly is first matched with the first outer shell 221, and then the second outer shell 222 is inserted into the first outer shell 221, and then laser welded together, the first mounting member 251 is placed along the key position of the second outer shell 222, and then the assembly of the pin ring 26 and the socket part 23 is placed into the hole of the first mounting member 251, and the second mounting member 252 is matched with the socket part 23, and the fastener 242 and the clamping nut 241 are installed as a whole with the clamping screw 243, and the clamping nut 241 is connected to the second outer shell 222 by threads, as shown in FIG. Fig.15 As shown; finally, the connector seat 30 is connected to the connector head 20 by threads.

[0132] In the connector 100, a self-locking system is formed by the threaded structure between the connector head 20 and the connector seat 30 + the spring 60 + the limiting cover plate 12 + the positioning ring 50 + the movable cap 11 + the limiting column 70. After the connector head 20 is matched with the connector seat 30, the movable cap 11 is pulled back, and the limiting column 70 falls into the inner groove of the movable cap 11 through the limiting column through hole 112, which will limit the forward movement of the movable cap 11, and then the connecting sleeve 21 is rotated to make the anti-loosening member 42, that is, the ball, disengage from the anti-loosening groove 41. When the ball is disengaged from the anti-loosening groove 41, the connecting sleeve 21 is further rotated to separate the threaded connection relationship between the connecting sleeve 21 and the connector seat 30, thereby achieving separation from the head and the seat. When the connector head 20 is matched with the connector seat 30, the movable cap 11 is rotated to align the limit column 70 with the limit column through hole 112, and the movable cap 11 and the limit cover plate 12 are pushed forward by the operator's hand push + the elastic force of the compressed spring 60 to the anti-loosening part 42, that is, the ball position, and then the anti-loosening part 42 is pressed down into the anti-loosening groove 41, and then the movable cap 11 is rotated to achieve the misalignment of the limit column through hole 112 of the movable cap 11 and the limit column 70, thereby achieving self-locking of the connector 100.

[0133] The above is only an implementation method of the present invention. It should be pointed out that a person skilled in the art can make improvements without departing from the inventive concept of the present invention, but these improvements are all within the protection scope of the present invention.

Claims

1. A connector, characterized in that: It comprises a connector body and an extrusion limiting device (10); The connector body comprises a connector head (20) and a connector seat (30); the connector head (20) and the connector seat (30) are threadedly connected, and an anti-loosening structure (40) is also provided between the connector head (20) and the connector seat (30); The anti-loosening structure (40) comprises an anti-loosening groove (41) and an anti-loosening member (42); the anti-loosening groove (41) is arranged on one of the connector head (20) and the connector seat (30); and the anti-loosening member (42) is arranged on the other of the connector head (20) and the connector seat (30); The extrusion limiting device (10) is arranged on the connector body and is used for extruding and limiting the anti-loosening member (42) so that the anti-loosening member (42) is inserted into the anti-loosening groove (41).

2. The connector according to claim 1, characterized in that: The extrusion limiting device (10) is movably arranged on the connector body; The extrusion limiting device (10) has a locking state in which it contacts the anti-loosening member (42) and inserts the anti-loosening member (42) into the anti-loosening groove (41); and an unlocking state in which it is separated from the anti-loosening member (42) after moving relative to the connector body.

3. The connector according to claim 2, characterized in that: The extrusion limiting device (10) comprises a movable cap (11) and a limiting cover plate (12); The movable cap (11) is sleeved on the connector body; The limiting cover plate (12) is connected to the movable cap (11) and is used to squeeze and limit the anti-loosening component (42).

4. The connector according to claim 3, characterized in that: Also includes a positioning ring (50); The positioning ring (50) is arranged on the connector body and is located inside the movable cap (11) for positioning the movable cap (11).

5. The connector according to claim 4, characterized in that: A spring (60) is provided between the limiting cover plate (12) and the positioning ring (50).

6. The connector according to claim 4, characterized in that: A stepped portion (201) is provided on the connector body, and the positioning ring (50) is fixed on the stepped portion (201) by interference fit.

7. The connector according to claim 3, characterized in that: Also includes a limit post (70); The limiting column (70) is arranged on the connector body and is used to limit the movable cap (11) when the extrusion limiting device (10) is in the locked state, so that the extrusion limiting device (10) maintains the locked state.

8. The connector according to claim 7, characterized in that: A mounting hole (202) is provided on the connector body, the limiting column (70) is fixed at the mounting hole (202) by interference fit, and the limiting column (70) is fixed to the connector body by welding.

9. The connector according to claim 7, characterized in that: A plurality of the limiting columns (70) are provided, and all the limiting columns (70) are sequentially spaced and distributed along the circumference of the connector body.

10. The connector according to claim 7, characterized in that: The movable cap (11) is provided with a limit post through hole (112), and the limit post through hole (112) matches the limit post (70); The movable cap (11) can be rotated relative to the connector body so that the limiting post through hole (112) is aligned with the limiting post (70).

11. The connector according to claim 1, characterized in that: The anti-loosening groove (41) is arranged around the outer circumference of the connector seat (30); The anti-loosening member (42) is a ball bearing, and a ball bearing hole (203) is provided on the connector head (20), and the ball bearing is placed in the ball bearing hole (203).

12. The connector according to claim 11, characterized in that: The diameters of the inner opening (2031) and the outer opening (2032) of the ball hole (203) are both smaller than the diameter of the ball, and the ball can move in the ball hole (203).

13. The connector according to claim 11, characterized in that A plurality of the ball holes (203) are provided, and all the ball holes (203) are sequentially spaced and distributed along the circumference of the connector head (20), and the ball is placed in each of the ball holes (203).

14. The connector according to claim 1, characterized in that The connector seat (30) comprises a socket housing (31), a plug pin (32), and a socket insulating portion (33); The outer circumference of the socket housing (31) is provided with external threads for connecting to the connector head (20); The plug pin (32) is fixed to the socket housing (31) via the socket insulating portion (33), and a plurality of the plug pins (32) are provided, and the socket insulating portion (33) separates any two adjacent plug pins (32); The anti-loosening groove (41) is arranged around the outer circumference of the socket housing (31).

15. The connector according to claim 1, characterized in that The connector head (20) comprises a connecting sleeve (21), a jacket shell (22), and a socket portion (23); An inner surface of the connecting sleeve (21) is provided with an internal thread for connecting to the connector seat (30); The outer shell (22) is connected to the connecting sleeve (21) and is at least partially located inside the connecting sleeve (21); The socket portion (23) is arranged in the outer shell (22), and is provided with a socket (231) therein, wherein the socket (231) matches the plug pin (32) of the connector seat (30); The anti-loosening component (42) is arranged on the connecting sleeve (21).

16. The connector according to claim 15, characterized in that The outer shell (22) comprises a first outer shell (221) and a second outer shell (222); A portion of the first outer shell body (221) is located inside the connecting sleeve (21), and another portion extends out of the connecting sleeve (21) in a direction away from the connector seat (30); The second outer shell body (222) is located outside the connecting sleeve (21) and is fixedly connected to a portion extending from the first outer shell body (221).

17. The connector according to claim 16, characterized in that The connector head (20) further comprises a pressing portion (24), wherein the pressing portion (24) is connected to an end of the second outer shell (222) away from the first outer shell (221) and is used to press the cable.

18. The connector according to claim 17, characterized in that: The pressing portion (24) comprises a pressing nut (241), a fastener (242), and a pressing screw (243); The compression nut (241) is threadedly connected to the second outer shell body (222); The fastener (242) is connected to the compression nut (241) to compress the cable; The clamping screw (243) is connected to the fastener (242).

19. The connector according to claim 15, characterized in that The connector head (20) further comprises a mounting member (25), wherein the mounting member (25) is arranged in the outer shell body (22), the socket portion (23) is arranged in the mounting member (25), and the mounting member (25) is provided with an avoidance hole (2501) corresponding to the socket (231).

20. The connector according to claim 19, characterized in that The mounting member (25) comprises a first mounting member (251) and a second mounting member (252); The first mounting member (251) is provided with the avoidance hole (2501); The second mounting member (252) is located at an end of the first mounting member (251) away from the connector seat (30) and is used to fix the first mounting member (251); the first mounting member (251) is key-matched with the outer shell (22), and the outer shell (22) is key-matched with the connector seat (30).

21. The connector according to claim 16, characterized in that The connector head (20) further comprises a mounting member (25), wherein the mounting member (25) is arranged in the outer shell (22), the socket portion (23) is arranged in the mounting member (25), and the mounting member (25) is provided with an avoidance hole (2501) corresponding to the socket (231); The mounting member (25) comprises a first mounting member (251) and a second mounting member (252); The first mounting member (251) is provided with the avoidance hole (2501); The second mounting member (252) is located at an end of the first mounting member (251) away from the connector seat (30), and is used to fix the first mounting member (251); The first mounting member (251) is key-matched with the second outer shell body (222), and the connector seat (30) is key-matched with the first outer shell body (221) and the first mounting member (251).

22. The connector according to claim 20, characterized in that The connector head (20) further comprises a pin ring (26), the pin ring (26) surrounding the outer circumference of the socket portion (23) and being located at one end close to the connector seat (30).

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