Bent plug

Abstract

The utility model relates to the technical field of electric connectors, and discloses a bent plug which comprises a connector body, a bent pipe is detachably installed on the connector body, a tail straight pipe is screwed on the bent pipe, a shielding piece is arranged on the connecting section of the bent pipe and the tail straight pipe, the shielding piece comprises a shielding pressing sleeve, a rotating cover and a steel ball, an F step is arranged on the inner wall of the tail straight pipe, and the tail straight pipe is connected with the shielding pressing sleeve. The F step is used for sleeving the shielding pressing sleeve on the bent pipe, an annular groove is formed in the end face of the shielding pressing sleeve, and the rotating cover is rotationally installed on the periphery of the shielding pressing sleeve and presses the steel ball located in the annular groove. The beneficial effects of the utility model are that when the tail straight pipe is screwed to install a shielding member, the F step abuts against the rotating cover to apply thrust and rotating force to the rotating cover so as to push the rotating cover to rotate and advance, and the rotating cover is rotatably connected with the shielding pressing sleeve through the steel ball, so that the rotating cover only applies thrust to the shielding pressing sleeve to push the shielding pressing sleeve to advance along the axial direction; and the shielding pressing sleeve is prevented from rotating, so that the shielding layer wire is prevented from being broken.

Description

Technical Field

[0001] The utility model relates to the technical field of electric connectors, in particular to a curved plug. Background Art

[0002] Electrical connectors, as a very commonly used connection device used in the connection of electrical appliances and communication equipment, are related to the stability and reliability of the input and output of electrical and communication equipment signals. Electrical connectors include plugs and sockets. Usually, the plugs are connected to the cables, and the sockets are connected to the equipment to achieve electrical connection between the cables and the equipment.

[0003] The Chinese utility model patent (authorization announcement number: CN207868526U name: A curved circular shielded connector for high-speed motor vehicles) includes a connector body, a fixing sleeve, a curved tube and a sealing sleeve, wherein one end of the curved tube is provided with a fixing sleeve for fixing the cable, and the other end of the cable is provided with a sealing sleeve for sealing the cable passing through the curved tube; the connector body includes: a shell, an insulator and a contact piece, the insulator is fixedly arranged in the shell, and the contact piece is arranged in a through hole in the insulator; the cable passes through the sealing sleeve, the curved tube, the fixing sleeve and is connected to the contact piece in sequence. The utility model has a simple structure, is easy to assemble and maintain, and the connector realizes 360-degree complete shielding. However, when the connector body is screwed on the curved tube, the shielding sleeve will rotate with the connector body under the action of the extrusion force, which is easy to cause the wires of the shielding layer to break. Utility Model Content

[0004] The purpose of the utility model is to provide a curved plug to overcome the shortcomings of the prior art.

[0005] The purpose of the utility model is achieved through the following technical solutions: a bent plug, including a connector body, a bent tube detachably mounted on the connector body, a tail straight tube screwed on one end of the bent tube away from the connector body, a shielding member is provided at the connecting section between the bent tube and the tail straight tube, the shielding member includes a shielding sleeve, a rotating cover and a steel ball, an F step is provided on the inner wall of the tail straight tube, the F step is used to axially prevent the shielding sleeve from falling off on the bent tube, an annular groove is provided on the end surface of the shielding sleeve, the rotating cover is axially prevented from falling off and is rotatably mounted on the outer periphery of the shielding sleeve, and the rotating cover is pressed on the steel ball located in the annular groove.

[0006] Preferably, a winged nut is screwed on one end of the tail straight pipe away from the bent pipe, a rubber sealing sleeve and a B gasket are arranged in the tail straight pipe, the rubber sealing sleeve is compressed and installed on the F step through the B gasket, and the B gasket is squeezed along its axial direction by screwing the winged nut.

[0007] Preferably, the connector body comprises a plug housing, a plug mounting plate and a plurality of B double-ended pins, the plug mounting plate being used to evenly mount the B double-ended pins in the plug housing, an A through hole being provided on the plug mounting plate, an A boss being integrally formed in the A through hole, the B double-ended pin being composed of three sections, and the diameters of the three sections are all different, the diameter of the middle section of the B double-ended pin being the smallest, the middle section of the B double-ended pin being sleeved with a tooth sleeve, an elastic sheet being integrally formed on the tooth sleeve, the A boss being clamped between the elastic sheet and the largest section of the B double-ended pin, and the B double-ended pin being floatingly mounted in the A through hole through the elastic sheet.

[0008] Preferably, a B step is provided on the outer wall of the plug mounting plate, a C step is provided on the inner wall of the plug housing, an A washer is installed in the plug housing, the A washer is used to press the B step tightly against the C step, a B annular groove is provided on the inner wall of the plug housing, a B retaining ring is installed in the B annular groove, and the A washer is clamped by the B retaining ring.

[0009] Preferably, it also includes an A connecting nut, a D step, an E step and a C retaining ring, wherein the D step is arranged on the inner wall of the A connecting nut, the E step is arranged on the outer wall of the plug housing, a D annular groove is also provided on the outer wall of the plug housing, the C retaining ring is installed in the D annular groove, the C retaining ring is used to press the D step tightly against the E step, a gap is provided between the plug housing and the A connecting nut, the gap is used to accommodate the socket housing, a locking screw is screwed on the A connecting nut, and the socket housing is locked by the locking screw.

[0010] Preferably, the end of the bent pipe away from the tail straight pipe is axially anti-slipped with a tail nut, and the tail nut is screwed on the plug housing. The tail nut is used to press the bent pipe tightly against the plug housing, and stop teeth are provided at the joint between the plug housing and the bent pipe, some of the stop teeth are located on the bent pipe, and the rest of the stop teeth are located on the plug housing.

[0011] Preferably, a C-shaped annular groove is formed on the outer wall of the plug housing, an O-shaped sealing ring is installed in the C-shaped annular groove, and the O-shaped sealing ring is used to seal the gap between the socket housing and the plug housing.

[0012] Preferably, it also includes sealing grooves, some of which are opened on the plug housing, and the rest of the sealing grooves are opened on the elbow, and a square sealing ring is installed in the sealing groove, and the square sealing ring is used to seal the joint between the elbow and the plug housing.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] When the tail straight tube is screwed to install the shielding component, the F step presses against the rotating cover to apply thrust and rotational force to it, thereby pushing it to rotate forward. The rotating cover and the shielding sleeve are rotationally connected by steel balls, so the rotating cover only applies thrust to the shielding sleeve to push it forward in the axial direction, avoiding the rotation of the shielding sleeve and causing the breakage of the shielding layer wires. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The structure of the utility model is shown in FIG. Figure 1 ;

[0016] Figure 2 for Figure 1 A partial enlarged schematic diagram of point B in the middle;

[0017] Figure 3 It is a structural schematic diagram of the connector body;

[0018] Figure 4 for Figure 3 A partial enlarged schematic diagram of point C in the middle;

[0019] Figure 5 Schematic diagram of the installation structure of the gear sleeve;

[0020] Figure 6 The structure of the utility model is shown in FIG. Figure 2 ;

[0021] In the figure, 13-plug housing, 16-A boss, 17-tooth sleeve, 18-elastic sheet, 19-B step, 20-C step, 21-A gasket, 22-B retaining ring, 23-A connecting nut, 24-locking screw, 25-O-ring, 26-D step, 27-E step, 28-C retaining ring, 29-connector body, 30-elbow, 31-tail straight pipe, 32-shielding sleeve, 33-rotating cover, 34-steel ball, 35-F step, 36-winged nut, 37-rubber sealing sleeve, 38-B gasket, 39-B double-headed pin, 40-tail nut, 41-stop tooth, 42-square sealing ring, 43-plug mounting plate, 44-D retaining ring, 45-rubber sealing ring, 46-clamping ring. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. The components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0024] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features thereof may be combined with each other.

[0025] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0026] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use, or the positions or positional relationships commonly understood by those skilled in the art, which are only for the convenience of describing the present utility model 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 cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] like Figure 1 and 2As shown, a curved plug comprises a connector body 29, on which a curved tube 30 is detachably mounted, and an end of the curved tube 30 away from the connector body 29 is screwed with a tail straight tube 31, a rubber sealing ring 45 is arranged between the tail straight tube 31 and the curved tube 30, and a shielding member is arranged at a connection section between the curved tube 30 and the tail straight tube 31, and the shielding member comprises a shielding sleeve 32, a rotating cover 33 and a steel ball 34, and an F step 35 is arranged on the inner wall of the tail straight tube 31, and the F step 35 is used to axially prevent the shielding sleeve 32 from slipping off on the curved tube 30, and an annular groove is provided on the end surface of the shielding sleeve 32, and the rotating cover 33 is rotatably mounted on the outer periphery of the shielding sleeve 32 for axial anti-slipping (the rotating cover 33 and the shielding sleeve 32 are selectively connected by a clamp ring, and the rotating cover 33 and the screen An annular groove is provided on the shielding sleeve 32. During installation, the clamping ring 46 is first supported by external force to press it into the annular groove on the shielding sleeve 32, and then the rotating cover 33 on the shielding sleeve 32 is pushed hard until the clamping ring 46 expands outward and enters the annular groove on the rotating cover 33, and the installation is completed). The rotating cover 33 is pressed on the steel ball 34 located in the annular groove. When the tail straight tube 31 is screwed to install the shielding component, the F step 35 is pressed against the rotating cover 33 to apply thrust and rotational force to it, thereby pushing it to rotate forward. The rotating cover 33 and the shielding sleeve 32 are rotationally connected through the steel ball 34, so the rotating cover 33 only applies thrust to the shielding sleeve 32 to push it forward in the axial direction, thereby avoiding the rotation of the shielding sleeve 32 and causing the breakage of the shielding layer wire.

[0029] In this embodiment, if Figure 1 , 2 As shown in Figures 6 and 7, a winged nut 36 is screwed on one end of the tail straight pipe 31 away from the bent pipe 30, and a rubber sealing sleeve 37 and a B gasket 38 are arranged in the tail straight pipe 31. The rubber sealing sleeve 37 is compressed and installed on the F step 35 through the B gasket 38. The winged nut 36 is screwed to make the B gasket 38 squeeze the rubber sealing sleeve 37 along its axial direction to avoid friction between the winged nut 36 and the B gasket 38 when the winged nut 36 is rotated and pushed. The rubber sealing sleeve 37 is compressed by the B gasket 38 to avoid wear of the rubber sealing sleeve 37.

[0030] In this embodiment, if Figure 3-5As shown, the connector body 29 includes a plug housing 13, a plug mounting plate 43 and a plurality of B double-ended pins 39. The plug mounting plate 43 is used to evenly mount the B double-ended pins 39 in the plug housing 13. The plug mounting plate 43 is provided with an A through hole, and an A boss 16 is integrally formed in the A through hole. The B double-ended pin 39 is composed of three sections, and the diameters of the three sections are different. The diameter of the middle section of the B double-ended pin 39 is the smallest. The middle section of the B double-ended pin 39 is sleeved with a toothed sleeve 17. The toothed sleeve 17 An elastic sheet 18 is integrally formed on the upper portion, and the A boss 16 is clamped between the elastic sheet 18 and the largest section of the B double-ended pin 39. The B double-ended pin 39 is floated and installed in the A through-hole through the elastic sheet 18. The B double-ended pin 39 is floated and installed in the A through-hole through the tooth sleeve 17 to form a movable space. When the connectors are plugged in, after the pin heads enter the sockets, the non-concentric pins / sockets can be aligned in the movable space, so that the connection can be normally plugged in, thereby effectively ensuring the stability of the connection structure after plugging in.

[0031] In this embodiment, if Figure 4 As shown, a B step 19 is provided on the outer wall of the plug mounting plate 43, a C step 20 is provided on the inner wall of the plug housing 13, an A gasket 21 is installed in the plug housing 13, the A gasket 21 is used to press the B step 19 tightly against the C step 20, a B annular groove is provided on the inner wall of the plug housing 13, a B retaining ring 22 is installed in the B annular groove, the A gasket 21 is stuck by the B retaining ring 22, the disassembly and assembly are convenient, the replacement time of the double-headed pin 39 after damage is reduced, the replacement efficiency is improved, the overall replacement is avoided, and the plug maintenance cost is reduced.

[0032] In this embodiment, if Figure 3 and 4 As shown, it also includes an A connecting nut 23, a D step 26, an E step 27 and a C retaining ring 28. The D step 26 is arranged on the inner wall of the A connecting nut 23, and the E step 27 is arranged on the outer wall of the plug housing 13. The outer wall of the plug housing 13 is also provided with a D annular groove. The C retaining ring 28 is installed in the D annular groove. The C retaining ring 28 is used to press the D step 26 against the E step 27. A gap is arranged between the plug housing 13 and the A connecting nut 23, and the gap is used to accommodate the socket housing. A locking screw 24 is screwed on the A connecting nut 23, and the socket housing is locked by the locking screw 24. When installing, first put the A connecting nut 23 on the plug housing 13, and make the D step 26 press against the E step 27, and then push the C retaining ring 28 on the plug housing 13 into the D annular groove. The installation is convenient and fast, and the locking is firm, which avoids the loosening of the plug after being inserted into the socket, resulting in unstable signal transmission.

[0033] In this embodiment, if Figure 1As shown, one end of the bent tube 30 away from the tail straight tube 31 is axially prevented from disengaging with a tail nut 40, and the tail nut 40 is screwed on the plug housing 13 (the tail nut 40 is axially prevented from disengaging and rotationally installed on the outer periphery of the bent tube 30 through a D-ring 44, refer to the installation of the rotating cover 33), and the tail nut 40 is used to press the bent tube 30 tightly against the plug housing 13, and a stop tooth 41 is provided at the joint between the plug housing 13 and the bent tube 30, some of the stop teeth 41 are located on the bent tube 30, and the remaining stop teeth 41 are located on the plug housing 13, which can ensure that the bent outlet is carried out in the direction required by the user to avoid subsequent rotation.

[0034] In this embodiment, if Figure 1 As shown, a C-shaped annular groove is provided on the outer wall of the plug housing 13, and an O-shaped sealing ring 25 is installed in the C-shaped annular groove. The O-shaped sealing ring 25 is used to seal the gap between the socket housing and the plug housing 13. It also includes a sealing groove, some of which are provided on the plug housing 13, and the remaining sealing grooves are provided on the elbow 30. A square sealing ring 42 is installed in the sealing groove, and the square sealing ring 42 is used to seal the joint between the elbow 30 and the plug housing 13, so as to prevent water vapor from entering the interior of the connector housing and causing a short circuit or corrosion of the pin.

[0035] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A curved plug, comprising a connector body (29), a curved tube (30) being detachably mounted on the connector body (29), a tail straight tube (31) being screwed on one end of the curved tube (30) away from the connector body (29), a shielding member being provided at a connection section between the curved tube (30) and the tail straight tube (31), characterized in that: The shielding component comprises a shielding sleeve (32), a rotating cover (33) and a steel ball (34); an F step (35) is provided on the inner wall of the tail straight pipe (31); the F step (35) is used to prevent the shielding sleeve (32) from axially falling off and sleeved on the bent pipe (30); an annular groove is provided on the end surface of the shielding sleeve (32); the rotating cover (33) is rotatably installed on the outer periphery of the shielding sleeve (32) in an axially anti-falling manner; and the rotating cover (33) is pressed on the steel ball (34) located in the annular groove.

2. The angled plug according to claim 1, characterized in that: A winged nut (36) is screwed onto one end of the tail straight pipe (31) away from the bent pipe (30). A rubber sealing sleeve (37) and a B gasket (38) are arranged inside the tail straight pipe (31). The rubber sealing sleeve (37) is compressed and installed on the F step (35) through the B gasket (38). By screwing the winged nut (36), the B gasket (38) presses the rubber sealing sleeve (37) along its axial direction.

3. The angled plug according to claim 1, characterized in that: The connector body (29) comprises a plug housing (13), a plug mounting plate (43) and a plurality of B double-ended pins (39). The plug mounting plate (43) is used to evenly mount the B double-ended pins (39) in the plug housing (13). The plug mounting plate (43) is provided with an A through hole, and an A boss (16) is integrally formed in the A through hole. The B double-ended pin (39) is composed of three sections, and the diameters of the three sections are different. The diameter of the middle section of the B double-ended pin (39) is the smallest. The middle section of the B double-ended pin (39) is sleeved with a tooth sleeve (17), and an elastic sheet (18) is integrally formed on the tooth sleeve (17). The A boss (16) is clamped between the elastic sheet (18) and the largest section of the B double-ended pin (39), and the B double-ended pin (39) is floatingly mounted in the A through hole through the elastic sheet (18).

4. The angled plug according to claim 3, characterized in that: A B step (19) is arranged on the outer wall of the plug mounting plate (43), a C step (20) is arranged on the inner wall of the plug housing (13), an A gasket (21) is installed in the plug housing (13), the A gasket (21) is used to press the B step (19) against the C step (20), a B annular groove is opened on the inner wall of the plug housing (13), a B retaining ring (22) is installed in the B annular groove, and the A gasket (21) is locked by the B retaining ring (22).

5. The angled plug according to claim 3, characterized in that: The invention also comprises an A connecting nut (23), a D step (26), an E step (27) and a C retaining ring (28), wherein the D step (26) is arranged on the inner wall of the A connecting nut (23), the E step (27) is arranged on the outer wall of the plug housing (13), the outer wall of the plug housing (13) is also provided with a D annular groove, the C retaining ring (28) is installed in the D annular groove, the C retaining ring (28) is used to press the D step against the E step (27), a gap is arranged between the plug housing (13) and the A connecting nut (23), the gap is used to accommodate the socket housing, a locking screw (24) is screwed on the A connecting nut (23), and the socket housing is locked by the locking screw (24).

6. The angled plug according to claim 3, characterized in that: The end of the bent tube (30) away from the tail straight tube (31) is axially anti-slipped with a tail nut (40), and the tail nut (40) is screwed on the plug housing (13). The tail nut (40) is used to press the bent tube (30) against the plug housing (13). A stop tooth (41) is provided at the joint between the plug housing (13) and the bent tube (30), part of the stop tooth (41) is located on the bent tube (30), and the rest of the stop tooth (41) is located on the plug housing (13).

7. The angled plug according to claim 5, characterized in that: A C-shaped annular groove is provided on the outer wall of the plug housing (13), an O-shaped sealing ring (25) is installed in the C-shaped annular groove, and the O-shaped sealing ring (25) is used to seal the gap between the socket housing and the plug housing (13).

8. The angled plug according to claim 6, characterized in that: It also includes sealing grooves, some of which are opened on the plug housing (13), and the rest of which are opened on the bent pipe (30), and a square sealing ring (42) is installed in the sealing groove, and the square sealing ring (42) is used to seal the joint between the bent pipe (30) and the plug housing (13).

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