Tail shell component and connector

Abstract

The utility model relates to the technical field of connecting devices, in particular to a tail shell component and a connector. According to the utility model, the tail shell part is creatively provided, the tail shell part blocks the rear end of the connector through the tail cover, and the enclosure wall of the tail cover is provided with the wire outlet channel which is through in the radial direction, so that a cable connected to the rear end of the connector can be laterally led out from the tail cover, thereby realizing vertical wire outlet in the axial direction compared with the connector. And the space occupied by the connector in the axial direction is shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to connecting device technical field especially relates to a tail housing component and connector. BACKGROUND

[0002] Connectors are widely used in industry as the main electrical components for electrical connection. A connector generally comprises a main housing, the main housing has a front-to-rear through mounting cavity, an internal body is mounted in the mounting cavity of the main housing, the internal body comprises an insulating component and a contact piece mounted in the insulating component, the front end of the contact piece is used for plug-in connection with an adapter connector to realize electrical transmission, the rear end of the contact piece is generally connected with a cable, and the cable is led out from the rear end of the connector. Most of the current connectors are backward cable outlet, such as a tail accessory and a connector disclosed in a Chinese utility model patent with the authorization announcement number CN205960313U, the rear end of the main housing of the connector is connected with a tail accessory, the tail accessory comprises an intermediate sleeve extending backward and a cable tail clamp at the rear end of the intermediate sleeve, and the cable connected with the rear end of the contact piece passes through the intermediate sleeve backward and is led out through the cable tail clamp. Such backward cable outlet connector occupies a large axial space, i.e. the space in the plug-in direction. In some use environments, such as airborne equipment, the axial space that can be reserved for the connector is limited, and the above-mentioned connector is difficult to apply. SUMMARY

[0003] The utility model aims at providing a tail housing component to solve the problem of large axial space occupied by the tail cable outlet structure of the existing connector. Meanwhile, the utility model also provides a connector to solve the problem of large axial size.

[0004] The tail housing component of the utility model comprises a main ring body part used for fixed connection with the rear end of the housing of the connector, a tail cover is arranged on the main ring body part, the tail cover comprises an enclosing wall and a tail cover plate connected to the rear end of the enclosing wall, a radial through cable outlet channel is arranged on the enclosing wall to laterally lead out the cable connected to the rear end of the connector from the tail cover.

[0005] Further, the main ring body is a radial extending plane ring body, the front side of the plane ring body is used for abutting connection with the rear end of the housing of the connector, the enclosing wall comprises an inner arc wrapping part extending along the inner edge of the main ring body, the cable outlet channel is arranged on the inner arc wrapping part, and a restraint frame is connected to the radial outside of the inner arc wrapping part on the rear side of the plane ring body at the position corresponding to the cable outlet channel.

[0006] Further, the restraint frame is a U-shaped wire clamp extending along the circumferential arc of the plane ring body, the opening of the U-shaped wire clamp faces the rear side of the plane ring body, and the two ends of the U-shaped wire clamp are provided with connecting ears extending along the surface of the plane ring body, and the connecting ears are connected to the plane ring body through threaded fasteners.

[0007] Further, the U-shaped clamp has a rear side not higher than the rear side of the tail cover plate after being connected to the planar ring body.

[0008] Further, the planar ring body is provided with an avoiding gap for avoiding other components mounted on the shell of the connector, the avoiding gap is communicated with the inner ring hole of the planar ring body, the enclosing wall comprises an outer arc wrapping part extending along the outer edge of the main ring body corresponding to the avoiding gap, the outer arc wrapping part wraps the avoiding gap from the outer side, and the enclosing wall further comprises a radial wrapping part connecting the outer arc wrapping part and the inner arc wrapping part.

[0009] Further, the central angle corresponding to the inner arc wrapping part is greater than the central angle corresponding to the outer arc wrapping part.

[0010] Further, the avoiding gap has two and is uniformly distributed in the circumferential direction, and the wire outlet channel is arranged on the two inner arc wrapping parts.

[0011] The utility model discloses a tail shell component, tail shell component is blocked to the rear end of the connector through the tail cover, and the radial wire outlet channel is arranged on the enclosing wall of the tail cover, so that the cable connected to the rear end of the connector can be laterally drawn out from the tail cover, thereby realizing the radial wire outlet compared with the axial direction of the connector, and the space occupied by the connector in the axial direction is shortened.

[0012] The utility model discloses a connector, which comprises a connector main body and a tail shell component, the connector main body comprises a main shell and an internal main body, the tail shell component is connected to the rear end of the main shell, the tail shell component comprises a main ring body part for fixed connection with the rear end of the shell of the connector, the main ring body part is provided with a tail cover, the tail cover comprises an enclosing wall and a tail cover plate connected to the rear end of the enclosing wall, and the radial wire outlet channel is arranged on the enclosing wall to laterally draw out the cable connected to the rear end of the connector from the tail cover.

[0013] Further, the main ring body is a planar ring body extending in the radial direction, the front side of the planar ring body is used for abutting connection with the rear end of the shell of the connector, the enclosing wall comprises an inner arc wrapping part extending along the inner edge of the main ring body, the wire outlet channel is arranged on the inner arc wrapping part, and a constraint frame is connected to the radial outer side of the inner arc wrapping part at the position corresponding to the wire outlet channel on the rear side of the planar ring body.

[0014] Further, the constraint frame is a U-shaped clamp extending along the circumferential arc of the planar ring body, the opening of the U-shaped clamp faces the rear side of the planar ring body, the two ends of the U-shaped clamp are provided with connecting ears extending along the surface of the planar ring body, and the connecting ears are connected to the planar ring body through threaded fasteners.

[0015] Further, the U-shaped clamp has a rear side not higher than the rear side of the tail cover plate after being connected to the planar ring body.

[0016] Further, the main shell is provided with a travel switch assembly, which comprises a travel switch and a driving component, the driving component has a driven end extending to the front side of the main shell, and a trigger end at the rear side of the driven end for cooperating with the travel switch, the on-off state of the travel switch is changed by moving the trigger end forward and backward.

[0017] Further, the plane ring body is provided with an avoiding gap for avoiding the travel switch, the avoiding gap is communicated with the inner ring hole of the plane ring body, the enclosing wall comprises an outer arc wrapping part extending along the outer edge of the main ring body corresponding to the avoiding gap, the outer arc wrapping part wraps the avoiding gap from the outer side, and the enclosing wall further comprises a radial wrapping part connecting the outer arc wrapping part and the inner arc wrapping part.

[0018] Further, the central angle corresponding to the inner arc wrapping part is greater than the central angle corresponding to the outer arc wrapping part.

[0019] Further, the avoiding gap has two and is uniformly distributed in the circumferential direction, and the wire outlet channel is arranged on the two inner arc wrapping parts.

[0020] The utility model disciously provides a kind of connector, the tail shell component of the connector is blocked by tail cover to the rear end of connector, and radial through wire outlet channel is set on the enclosing wall of tail cover, so cable connected to the rear end of connector can be laterally led out from tail cover, to realize the radial wire outlet compared with the axial direction of connector, shorten the space occupied by connector in axial direction. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is structural schematic view of the embodiment of the utility model connector;

[0022] Figure 2 It is structural schematic view of the embodiment of the utility model connector; Figure 1 It is structural schematic view of the embodiment of the utility model connector;

[0023] Figure 3 It is structural schematic view of the embodiment of the utility model connector; Figure 2 It is structural schematic view of the embodiment of the utility model connector;

[0024] Figure 4 It is structural schematic view of the embodiment of the utility model connector; Figure 2 It is structural schematic view of the embodiment of the utility model connector;

[0025] Figure 5 It is structural schematic view of the embodiment of the utility model connector;

[0026] Figure 6 It is structural schematic view of the embodiment of the utility model connector;

[0027] Figure 7 It is structural schematic view of the embodiment of the utility model connector;

[0028] Figure 8 Structure diagram of tail shell part without constraint frame.

[0029] Fig. 1, internal main body; 20, main shell; 22, connecting flange; 3, travel switch assembly; 30, driven ring body; 31, mounting rod; 32, reset spring; 4, travel switch; 90, tail shell part; 91, constraint frame; 901, main ring body part; 902, outer arc wrapping part; 903, radial wrapping part; 904, inner arc wrapping part; 905, tail sealing plate; 900, wire outlet passage. DETAILED DESCRIPTION

[0030] The features and performances of the utility model are further described in detail below in combination with embodiments.

[0031] The connector of the utility model is described by taking a circular connector as an example. The structure optimization of the tail shell part connected to the rear side of the connector main shell enables the cable connected to the rear side of the internal main body of the connector to be led out radially, realizing side wire outlet. Compared with the axial backward wire outlet mode of the prior art, the axial size of the connector, i.e. the size in the plug-in direction, is reduced. Of course, the connector of the utility model is not limited to a circular connector, but can also be a rectangular connector.

[0032] Specifically, one embodiment of the connector of the utility model, as shown in Figures 1-5 The connector includes a main shell 20. The outer side of the main shell 20 is provided with a connecting flange 22 for fixed installation of the connector on a mounting panel. The main shell 20 has a middle installation hole, and an internal main body 1 is installed in the middle installation hole. The internal main body 1 is like the internal main body 1 of the existing connector, including an insulator and a contact piece installed in the insulator. The front end of the contact piece is used for plug-in conduction with a mating connector, and the rear end of the contact piece is connected to a cable. The rear end of the main shell 20 is connected to a tail shell part 90, which is used for protecting the rear end of the connector and covering the rear end of the contact piece and the connection position of the contact piece and the cable inside. The tail shell part 90 includes a main ring body 901 part, which is used for fixed connection with the rear end of the main shell 20. The main ring body 901 part is provided with a tail cover, which includes a surrounding wall and a tail sealing plate 905 connected to the rear end of the surrounding wall. The internal space of the tail cover is used for accommodating the rear end of the contact piece and the connection part of the cable and the rear end of the contact piece, and protecting these structures inside. The surrounding wall is provided with a radial wire outlet passage 900 for the cable connected to the rear end of the connector to be led out laterally from the tail cover, thereby realizing radial wire outlet.

[0033] In one embodiment, the tail shell component is an integral cylindrical component with an open front end and a sealed rear end. The front end of the cylindrical component has an internally threaded section for threaded connection to the rear end of the main shell. The portion of the cylindrical component behind the internally threaded section forms a surrounding wall, and the sealed portion at the rear end of the cylindrical component forms a tail end plate. A radially penetrating through hole is provided on the cylindrical wall near the tail end plate of the cylindrical component, which serves as a cable outlet channel. The shape of the main ring portion is adapted to the shape of the connector main shell 20. For example, when the connector is a circular connector, the main ring portion is circular; when the connector is a rectangular connector, the main ring portion 901 is rectangular.

[0034] In another embodiment, the main housing 20 of the connector has a certain radial thickness. In this embodiment, the main ring portion 901 is a radially extending planar ring. The front side of the planar ring is used to fit and connect with the rear end of the connector housing. The enclosure includes an inner arc wrapping portion 904 extending along the inner edge of the main ring portion 901. The cable outlet channel 900 is disposed on the inner arc wrapping portion 904. A constraint frame 91 is connected to the rear side of the planar ring at a position corresponding to the cable outlet channel 900 on the radially outer side of the inner arc wrapping portion 904.

[0035] In such Figures 1-5 In the illustrated embodiment, the connector is a connector integrating a limit switch 4 capable of self-detection of insertion and removal. The limit switch assembly 3 is installed in the main housing 20. Specifically, the limit switch assembly 3 includes the limit switch 4 and a driving component. The driving component includes a driven ring 30 and a mounting rod 31 connected to the rear side of the driven ring 30. The main housing 20 has a through hole for the mounting rod 31 to pass through from front to back. The entire driving component is mounted on the main housing 20 by the mounting rod 31. The through hole of the mounting rod 31 is a stepped hole with a smaller front and a larger rear. The mounting rod 31 has an outer flange at the rear position. The stopping structure of the mounting rod 31 is the stepped surface of the stepped hole, which is used to stop and cooperate with the outer flange. The return spring 32 is installed in the through hole of the mounting rod 31, with its front end abutting against the rear end of the mounting rod 31 and its rear end abutting against the main ring part 901 of the tail shell component 90. The main function of the return spring 32 is to keep the driving component at the extreme position at the front side in the natural state.

[0036] The main shell 20 is further provided with a travel switch installation cavity, the travel switch 4 is installed on the main shell 20 and a part is in the travel switch installation cavity, and a part is exposed from the rear end of the main shell 20. The driven ring body 30 is at the front side of the main shell 20 and constitutes a driven end. The driven ring body 30 is connected with a front and rear extending trigger rod matched with the travel switch 4, and the rear end of the trigger rod constitutes a trigger end. The driving component is used for being pushed back when the adapter connector is inserted, the trigger rod retreats and changes the on-off state of the travel switch 4, such as changing from the loop on state to the loop off state, or changing from the loop off state to the loop on state, and the reset spring 32 pushes the driving component forward to the front limit position and changes the on-off state of the travel switch 4 again when the adapter connector is pulled out.

[0037] For the embodiment that the travel switch 4 or other components are installed on the main shell 20, as shown in Figures 6-8 The plane ring body is provided with an avoiding gap for avoiding the travel switch 4 or other components installed on the main shell 20, the avoiding gap is communicated with the inner ring hole of the plane ring body, at this time, the surrounding wall comprises an outer arc wrapping part 902 extending along the outer edge of the main ring body part 901 corresponding to the avoiding gap, the outer arc wrapping part 902 wraps the avoiding gap from the outer side, and the surrounding wall further comprises a radial wrapping part 903 connecting the outer arc wrapping part 902 and the inner arc wrapping part 904. In this way, the tail cover can protect the travel switch 4 or other components in the inside, and facilitate the lateral leading-out of the cable.

[0038] On the basis of the above embodiment, the central angles corresponding to the inner arc wrapping part 904 and the outer arc wrapping part 902 can be equal. In an optimized embodiment, the central angle corresponding to the inner arc wrapping part 904 is greater than the central angle corresponding to the outer arc wrapping part 902. The arc length of the inner arc wrapping part 904 is longer than the arc length of the outer arc wrapping part 902, which can reserve a larger area for the wire outlet channel 900 and facilitate the leading-out of the wire.

[0039] In an embodiment, the number of travel switches 4 is one, at this time, the avoiding gap provided on the main ring body part 901 is one. In the embodiment as shown in Figure 5 In an embodiment, the number of travel switches 4 is two, and the two travel switches 4 are symmetrically arranged about the axis of the main shell 20, then the avoiding gaps on the corresponding main ring body part 901 are two and are uniformly distributed in the circumferential direction. In this embodiment, the two inner arc wrapping parts 904 can be provided with the wire outlet channel 900 only on one, or both ends of the inner arc wrapping part 904 are provided with the wire outlet channel 900, so as to reduce the size of the single wire outlet channel 900, and further reduce the axial size of the surrounding wall.

[0040] On the basis of the above-mentioned embodiments, the rear end surface of the main ring body part 901 is provided with a restraint frame 91 for restraining the wire harness at a position corresponding to the radial outer side of the wire outlet channel 900. The tail cable can be better restrained by the restraint frame 91, and the radial outward extension thereof is ensured. The restraint frame 91 can be a closed frame body extending in an arc shape along the circumference of the planar ring body. The cable passes through the frame hole of the closed frame body, and one arc-shaped frame edge of the closed frame body is screw-connected to the rear end surface of the main ring body part 901. In the embodiment shown in Figures 6-8 In the embodiment shown in the drawings, specifically, the restraint frame 91 is a U-shaped wire clamp extending in an arc shape along the circumference of the planar ring body. The opening of the U-shaped wire clamp faces the rear side surface of the planar ring body, and the two ends of the U-shaped wire clamp are provided with connecting ears extending along the surface of the planar ring body. The connecting ears are connected to the planar ring body by screw fasteners. The restraint frame 91 of this structure is simple in structure and can be conveniently and detachably connected to the main ring body part 901. When wiring, the restraint frame 91 is detached, and after the cable is passed out and arranged, the restraint frame 91 is fixedly connected again, which facilitates the wiring operation. Moreover, the cable can be pressed and fixed by the screw fasteners.

[0041] Preferably, the rear side surface of the U-shaped wire clamp is not higher than the rear side surface of the tail sealing plate 905 after being connected to the planar ring body. In this way, the cable radially led out of the rear end of the connector does not protrude from the rear end surface of the connector, and does not affect the installation space of the connector in the axial direction.

[0042] The embodiment of the tail housing part of the utility model: its specific structure and the structure of the tail housing part in the embodiment of the connector introduced above are the same, and no more description is given.

[0043] The above is only a preferred embodiment of the utility model, and does not limit the utility model. The patent protection scope of the utility model is subject to the claims, and equivalent structural changes made by applying the contents of the specification and drawings of the utility model should also be included in the protection scope of the utility model.

Claims

1. A tail housing component, characterized by, The main ring body part (901) is a radially extending plane ring body, the front side of the plane ring body is used for abutting connection with the rear end of the shell of the connector, the surrounding wall comprises an inner arc wrapping part (904) extending along the inner edge of the main ring body part (901), the wire outlet channel (900) is arranged on the inner arc wrapping part (904), and a restraint frame (91) is connected to the radially outer side of the inner arc wrapping part (904) at the position corresponding to the wire outlet channel (900) on the rear side of the plane ring body.

2. The tail housing component of claim 1, wherein, The restraint frame (91) is a U-shaped wire clamp extending along the circumferential arc of the plane ring body, the opening of the U-shaped wire clamp faces the rear side of the plane ring body, and the two ends of the U-shaped wire clamp are provided with connecting ears extending along the surface of the plane ring body and connected to the plane ring body through threaded fasteners.

3. The tail housing component of claim 2, wherein, The rear side of the U-shaped wire clamp is not higher than the rear side of the tail cover plate (905) after being connected to the plane ring body.

4. The tail housing component of claim 3, wherein, The plane ring body is provided with a avoiding gap for avoiding other components mounted on the shell of the connector, the avoiding gap is in communication with the inner ring hole of the plane ring body, the surrounding wall comprises an outer arc wrapping part (902) extending along the outer edge of the main ring body and arranged corresponding to the avoiding gap, the outer arc wrapping part (902) wraps the avoiding gap from the outer side, and the surrounding wall further comprises a radial wrapping part (903) connecting the outer arc wrapping part (902) and the inner arc wrapping part (904).

5. The tail housing component of claim 2, wherein, The central angle corresponding to the inner arc wrapping part (904) is greater than the central angle corresponding to the outer arc wrapping part (902).

6. The tail housing component of claim 5, wherein, The avoiding gap has two and is uniformly distributed in the circumferential direction, and the wire outlet channel (900) is arranged on the two sections of the inner arc wrapping part (904).

7. The tail housing component of claim 6, wherein, The main ring body part (901) is a radially extending plane ring body, the front side of the plane ring body is used for abutting connection with the rear end of the shell of the connector, the surrounding wall comprises an inner arc wrapping part (904) extending along the inner edge of the main ring body part (901), the wire outlet channel (900) is arranged on the inner arc wrapping part (904), and a restraint frame (91) is connected to the radially outer side of the inner arc wrapping part (904) at the position corresponding to the wire outlet channel (900) on the rear side of the plane ring body.

8. A connector characterized by, ​ 9. The connector of claim 8, wherein, ​ 10. The connector of claim 9, wherein, The constraint frame (91) is a U-shaped clamp extending along the circumferential arc of the planar ring body, the opening of the U-shaped clamp faces the back side of the planar ring body, and the two ends of the U-shaped clamp are provided with connecting ears extending along the surface of the planar ring body, and the connecting ears are connected to the planar ring body through threaded fasteners.

11. The connector of claim 10, wherein, The back side of the U-shaped clamp is not higher than the back side of the tail sealing plate (905) after being connected to the planar ring body.

12. The connector of claim 9, wherein, The stroke switch assembly (3) is installed in the main shell (20), and the stroke switch assembly (3) comprises a stroke switch (4) and a driving component, the driving component has a driven end extending to the front side of the main shell (20), and a trigger end used for cooperating with the stroke switch (4) at the back side of the driven end, and the on-off state of the stroke switch (4) is changed by moving the trigger end forward and backward.

13. The connector of claim 12, wherein, The planar ring body is provided with an avoiding notch for avoiding the stroke switch (4), the avoiding notch is communicated with the inner ring hole of the planar ring body, the enclosing wall comprises an outer arc wrapping part (902) extending along the outer edge of the main ring body corresponding to the avoiding notch, the outer arc wrapping part (902) wraps the avoiding notch from the outer side, and the enclosing wall further comprises a radial wrapping part (903) connecting the outer arc wrapping part (902) and the inner arc wrapping part (904).

14. The connector of claim 13, wherein, The central angle corresponding to the inner arc wrapping part (904) is greater than the central angle corresponding to the outer arc wrapping part (902).

15. The connector of claim 14, wherein, The avoiding notch has two and is uniformly distributed in the circumferential direction, and the two sections of the inner arc wrapping part (904) are each provided with the wire outlet passage (900).

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