Direct plug-in wiring terminal

Abstract

The present application relates to a direct plug-in wiring terminal, comprising a terminal housing (1), a cover plate (2) and a current-carrying assembly, wherein the terminal housing (1) is provided with a cavity (11), which has an opening (11a) at the upper end, and at least one wiring hole (10); rotatable shift members (5) are provided on the cover plate (2); the current-carrying assembly is arranged in the cavity (11) of the terminal housing (1); the cover plate (2) is assembled with the terminal housing (1) in a snap-fit manner and an accommodating cavity is then formed; and the shift members (5) on the cover plate (2) correspond to elastic clamping members (4) of the current-carrying assembly in the terminal housing (1), such that after being rotated back and forth, the shift members (5) can press against the elastic clamping members (4) or release the pressing on the elastic clamping members (4). When a wiring terminal product is assembled, it is not necessary to use both the cover plate and the terminal housing to fix the current-carrying assembly, and only the terminal housing is required to fix the current-carrying assembly, such that the assembly of the cover plate with the shift members, the current-carrying assembly and the terminal housing can be easily completed, thereby greatly simplifying the structure of the cover plate, and improving the assembly operation efficiency of the whole product.

Description

Direct insertion type terminal TECHNICAL FIELD

[0001] The utility model relates to the field of terminal, especially direct insertion type terminal. BACKGROUND

[0002] The existing terminal includes a terminal shell, a cover plate and a current-carrying assembly, the current-carrying assembly includes a conductor and an elastic clamping piece, the terminal shell is provided with a wiring hole, the current-carrying assembly is located in the cavity formed by the terminal shell and the cover plate, and a wrench is rotatably arranged on the terminal shell, and the elastic clamping piece of the current-carrying assembly can be touched by the wrench after rotation to increase the clamping gap between the elastic clamping piece and the conductor, so that the external lead wire can pass through the clamping gap to complete the wiring or lead removal operation.

[0003] However, the existing terminal has the following disadvantages: when the components are assembled into the terminal product, the current-carrying assembly needs to be fixed by the clamping hook on the cover plate first, then the cover plate with the fixed current-carrying assembly is assembled into the terminal shell, and the terminal shell fixes the current-carrying assembly. The assembly structure of such a terminal is complex, which reduces the assembly efficiency of the terminal product.

[0004] UTILITY MODEL CONTENTS

[0005] The utility model provides a direct insertion type terminal which has a simple structure and reduces the complexity of the assembly structure.

[0006] The utility model adopts the technical scheme that the direct insertion type terminal includes:

[0007] The terminal shell has a cavity with an open upper end and at least one wiring hole, and the wiring hole is in communication with the cavity;

[0008] The cover plate is assembled with the terminal shell;

[0009] The current-carrying assembly includes a conductor and an elastic clamping piece, and the elastic clamping piece cooperates with the conductor to form a clamping gap with adjustable size;

[0010] At least one wrench is rotatably arranged on the cover plate;

[0011] The current-carrying assembly is arranged in the cavity of the terminal shell, the cover plate is assembled on the terminal shell by the clamping buckle and forms a containing cavity, the wrench of the cover plate corresponds to the elastic clamping piece of the current-carrying assembly in the terminal shell to cooperate with the back-and-forth rotation of the wrench to press the elastic clamping piece or release the pressing of the elastic clamping piece.

[0012] Improved in the straight-plug terminal, the cover plate is provided with at least one fixing arm which is inserted into the cavity from the upper opening of the terminal housing.

[0013] Further improved in the straight-plug terminal, the bottom of the fixing arm is provided with a first clamping structure, and the bottom of the cavity of the terminal housing is provided with a first clamping matching structure which matches the first clamping structure.

[0014] Further improved in the straight-plug terminal, the cover plate is provided with a cover plate body, the fixing arm is located on one side of the cover plate body and corresponds to the wire hole, and the cover plate body is fixed in the upper opening of the cavity of the terminal housing by clamping.

[0015] Further improved in the straight-plug terminal, the cover plate body is provided with a second clamping structure, and the terminal housing is provided with a second clamping matching structure which matches the second clamping structure.

[0016] Improved in the straight-plug terminal, the fixing arm is provided with an opening which corresponds to the wire hole of the terminal housing so that the external wire passes through the opening and the wire hole.

[0017] Further improved in the straight-plug terminal, the first clamping structure is arranged below the opening.

[0018] Further improved in the straight-plug terminal, the cover plate is provided with a stop rib which prevents the corresponding wrench from being displaced along the wire hole towards the inside of the cavity of the terminal housing after assembly.

[0019] Improved in the straight-plug terminal, the terminal housing is provided with a limiting rib which limits the conductive body.

[0020] Further improved in the straight-plug terminal, the left and right sides of the terminal housing are respectively provided with wire holes, the left and right sides of the cover plate are respectively provided with wrenches, the left and right sides of the cover plate body are respectively provided with the fixing arms, and the left and right sides of the accommodating cavity are respectively provided with elastic clamping members; wherein the wire holes, the wrenches and the elastic clamping members are arranged one by one.

[0021] Compared with the prior art, the advantages of the utility model lie in: in the straight insertion type terminal of the utility model, on the basis that the wrench part is arranged on the cover plate, the current carrying assembly is arranged in the cavity of the terminal shell, the cover plate is assembled on the terminal shell in the buckle mode and forms the containing cavity, the wrench part of the cover plate corresponds to the elastic clamping piece of the current carrying assembly in the terminal shell to cooperate the wrench part to rotate back and forth to be capable of pressing the elastic clamping piece or releasing the pressing of the elastic clamping piece, thereby when assembling the cover plate with the wrench part, the current carrying assembly and the terminal shell, the current carrying assembly does not need to be fixed by the cover plate and the terminal shell simultaneously, only the terminal shell can fix the current carrying assembly, the assembly of the cover plate with the wrench part, the current carrying assembly and the terminal shell can be easily completed, the cover plate structure is greatly simplified and the assembly operation efficiency of the whole product is improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Fig. 1 is a structure schematic diagram of the straight insertion type terminal in the embodiment of the utility model;

[0023] Fig. 2 is a structure exploded schematic diagram of the straight insertion type terminal shown in Fig. 1;

[0024] Fig. 3 is a state schematic diagram of the cover plate with the wrench part, the current carrying assembly and the terminal shell before assembly;

[0025] Fig. 4 is a back structure schematic diagram of the cover plate (the wrench part has been removed);

[0026] Fig. 5 is a state schematic diagram of the electric conductor of the current carrying assembly being limited by the limiting rib in the terminal shell;

[0027] Fig. 6 is a sectional view of the corresponding state of the straight insertion type terminal shown in Fig. 1 when not connecting the wire;

[0028] Fig. 7 is a sectional view of the corresponding state of the straight insertion type terminal shown in Fig. 6 when connecting the wire. DETAILED DESCRIPTION

[0029] The utility model will be described further in detail in combination with the embodiment of the drawings.

[0030] The embodiment provides a direct insertion type terminal which simplifies assembly operation. Specifically, referring to Figs. 1-7, the direct insertion type terminal of the embodiment comprises a terminal housing 1, a cover plate 2 and a current carrying assembly, the terminal housing 1 has a cavity 11 with an upper end opening 11a and a wiring hole 10 which communicates with the cavity 11, the cover plate 2 is provided with a wrench 5 which is rotatably arranged on the cover plate 2 and has a pressing end 51, the current carrying assembly comprises a conductor 3 and an elastic clamping piece 4 which cooperates with the conductor 3 to form a clamping gap with adjustable gap size, wherein the current carrying assembly is arranged in the cavity 11 of the terminal housing 1, the cover plate 2 is assembled on the terminal housing 1 by snap fitting and forms a containing cavity C, the wrench 5 of the cover plate 2 corresponds to the elastic clamping piece 4 of the current carrying assembly in the terminal housing 1 to cooperate with the wrench to rotate back and forth to press the elastic clamping piece 4 or release the pressing of the elastic clamping piece 4. Wherein, with the back and forth wrenching of the wrench 5, the pressing end 51 of the wrench 5 will press the elastic clamping piece 4 to increase the gap size of the clamping gap and reduce the size of the clamping gap.

[0031] Specifically, as the implementation mode that the cover plate is assembled on the terminal housing by snap fitting, in the embodiment, the cover plate 2 is formed with a fixing arm 21 which is arranged into the cavity 11 from the upper end opening 11a, and the fixing arm 21 is snap fitted in the cavity 11 of the terminal housing 1. For example, the bottom of the fixing arm 21 has a first snap fitting structure 211, and the bottom of the cavity 11 of the terminal housing 1 is formed with a first snap fitting cooperation structure 111 which is snap fitted with the first snap fitting structure 211. According to actual needs, in the embodiment, the first snap fitting structure 211 is a snap fitting, and the first snap fitting cooperation structure 111 is a snap hole.

[0032] As the implementation mode that the external lead wire is cooperated with the wiring hole, in the embodiment, the fixing arm 21 is formed with an opening 210 which is arranged corresponding to the wiring hole 10 of the terminal housing 1 to allow the external lead wire L to pass through the opening 210 and the wiring hole 10.

[0033] As the preferred mode of the position of the first snap fitting structure, in the embodiment, the first snap fitting structure 211 is arranged below the opening 210.

[0034] In order to enhance the assembly stability of the cover plate on the terminal housing, in the embodiment, the cover plate 2 has a cover plate body 20, the fixing arm 21 is arranged on one side of the cover plate body 20 and corresponds to the wiring hole 10, and the cover plate body 20 is snap fitted at the upper end opening 11a of the cavity 11 in the terminal housing 1. For example, the cover plate body 20 has a second snap fitting structure 212, and the terminal housing 1 has a second snap fitting cooperation structure 112 which is snap fitted with the second snap fitting structure 212. The second snap fitting structure 212 is a snap fitting, and the second snap fitting cooperation structure 112 is a snap hole.

[0035] In order to avoid the movement of the wrench along the wire hole towards the inside of the terminal housing cavity during the rotation of the wrench, and to cause the abnormal assembly or use of the product, in this embodiment, a stop rib 22 is arranged on the cover plate 2 to prevent the corresponding wrench 5 from moving along the wire hole towards the inside of the terminal housing cavity after assembly. The stop rib 22 is longitudinally arranged on the cover plate 2 along the direction in which the fixing arm 21 is formed.

[0036] In addition, according to actual needs, a limiting component 23 for limiting the conductor 3 of the current-carrying assembly can also be arranged on the cover plate 2. For example, the limiting component 23 is a limiting strip formed on the back of the cover plate body 20 and extending along the direction in which the fixing arm 21 is formed. Preferably, the limiting component 23 is formed on the back of the cover plate body 20 and opposite to each of the two side walls, and the two limiting components 23 are arranged in front of and behind the conductor 3 and are located on the diagonal line.

[0037] In order to avoid the conductor of the current-carrying assembly from shaking after being installed in the terminal housing, and to enhance the stability of the conductor, in this embodiment, a limiting rib 12 for limiting the conductor 3 is arranged in the terminal housing 1.

[0038] In order to meet the wiring needs of multiple wires, in this embodiment, the left side and the right side of the terminal housing 1 are respectively formed with a wire hole 10, the left side and the right side of the cover plate 2 are respectively provided with a wrench 5, the left side and the right side of the cover plate body 20 are respectively formed with a fixing arm 21, and the left side and the right side in the accommodating cavity C are respectively provided with an elastic clamping piece 4; wherein the wire hole 10, the wrench 5 and the elastic clamping piece 4 are arranged one by one. In this way, the wiring or wire removal operation can be completed according to needs in the wire hole on the left side or the wire hole on the right side of the terminal housing.

[0039] The assembly process of the direct insertion type wiring terminal in this embodiment will be described below in combination with FIGS. 1-7.

[0040] When the direct insertion type wiring terminal needs to be assembled, the current-carrying assembly is assembled into the terminal housing, and the limiting rib in the terminal housing limits the conductor of the current-carrying assembly, and then the cover plate provided with the wrench is assembled towards the cavity of the terminal housing, so that the fixing arm of the cover plate is inserted into the cavity through the upper end opening and buckled to the bottom of the inner cavity of the terminal housing, and the cover plate body of the cover plate is buckled and fixed at the upper end opening of the inner cavity of the terminal housing. In this way, the assembly of the cover plate with the wrench, the current-carrying assembly and the terminal housing can be easily completed, and the current-carrying assembly is only fixed by the terminal housing, without the need for the cover plate and the terminal housing to simultaneously fix the current-carrying assembly, which greatly simplifies the structure of the cover plate and improves the assembly operation efficiency of the entire product.

[0041] Although the preferred embodiments of the present application are described in detail above, it should be clear to those skilled in the art that the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A direct insertion terminal, comprising: a terminal housing (1) having a cavity (11) with an upper opening (11a) and at least one wire hole (10) in communication with the cavity; a cover plate (2) assembled with the terminal housing (1); a current-carrying assembly including a conductor (3) and an elastic clamping member (4) cooperating with the conductor (3) to form a clamping gap with adjustable gap size; at least one wrench member (5) rotatably arranged on the cover plate (2); characterized in that the current-carrying assembly is arranged in the cavity of the terminal housing (1), the cover plate (2) is assembled on the terminal housing (1) by snap fitting and forms a containing cavity (C), the wrench member (5) of the cover plate (2) corresponds to the elastic clamping member (4) of the current-carrying assembly in the terminal housing (1) to press or release the elastic clamping member (4) after the wrench member (5) is rotated back and forth.

2. The in-line terminal of claim 1, wherein, At least one fixing arm (21) is formed on the cover plate (2) and arranged in the cavity (11) from the upper opening (11a), the fixing arm (21) is snap-fitted in the cavity (11) of the terminal housing (1).

3. The in-line terminal of claim 2, wherein, The bottom of the fixing arm (21) has a first snap-fitting structure (211), a first snap-fitting matching structure (111) is formed on the bottom of the cavity (11) of the terminal housing (1) and matches the first snap-fitting structure (211).

4. The in-line terminal of claim 2, wherein: The cover plate (2) has a cover plate body (20), the fixing arm (21) is arranged on one side of the cover plate body (20) and corresponds to the wire hole (10), and the cover plate body (20) is snap-fitted at the upper opening (11a) of the cavity (11) in the terminal housing (1).

5. The in-line terminal of claim 4, wherein: The cover plate body (20) has a second snap-fitting structure (212), and the terminal housing (1) has a second snap-fitting matching structure (112) matching the second snap-fitting structure (212).

6. The in-line terminal of claim 2, wherein: An opening (210) is formed on the fixing arm (21) and arranged corresponding to the wire hole (10) of the terminal housing (1) to allow an external wire to pass through the opening (210) and the wire hole (10).

7. The in-line terminal of claim 3 wherein, The first snap-fitting structure (211) is arranged below the opening (210).

8. The in-line terminal of claim 1, wherein, A stop rib (22) is arranged on the cover plate (2) to prevent the corresponding wrench member (5) from being displaced in the direction of the inside of the cavity of the terminal housing after assembly.

9. The in-line terminal of claim 1, wherein, A limiting rib (12) is arranged in the terminal housing (1) to limit the conductor (3) of the current-carrying assembly.

10. The in-line terminal of claim 4 or 5, wherein, The left and right sides of the terminal housing (1) are respectively formed with wire holes (10), the left and right sides of the cover plate (2) are respectively provided with wrench members (5), the left and right sides of the cover plate body (20) are respectively formed with the fixing arms (21), and the left and right sides of the containing cavity (C) are respectively provided with the elastic clamping members (4); wherein the wire holes (10), the wrench members (5) and the elastic clamping members (4) are arranged one by one in correspondence.

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