CN111785578A

CN111785578A - Combined type binding post

Info

Publication number: CN111785578A
Application number: CN202010726884.4A
Authority: CN
Inventors: 史胜余; 李海茭; 许利战; 祁卫华
Original assignee: Delixi Electric Co Ltd
Current assignee: Delixi Electric Co Ltd
Priority date: 2020-07-26
Filing date: 2020-07-26
Publication date: 2020-10-16

Abstract

The invention relates to a composite wiring terminal, which comprises a wiring support, a spring piece, a rotating shaft, a wiring baffle and an executing mechanism, wherein the executing mechanism comprises a screw rod, a fixing frame and a sliding block, the fixing frame is connected with the wiring support, a limiting groove hole is formed in the fixing frame, an annular groove is formed in the screw rod, the screw rod penetrates through the limiting groove hole to enable the annular groove and the limiting groove hole to be mutually embedded, the screw rod can rotate in the limiting groove hole, the sliding block is installed on the screw rod and is in threaded connection with the screw rod, the sliding block moves along the axial direction of the screw rod along with the rotation of the screw rod, the sliding block pushes a support arm end on the other. Compared with the prior art, the invention overcomes the problems that the screw nut structure is easy to fall off and the longitudinal length in the wiring bracket is too large.

Description

Combined type binding post

Technical Field

The invention relates to the technical field of circuit breaker accessories, in particular to a composite wiring terminal.

Background

The circuit breaker is in order to connect main circuit and external circuit, generally all be provided with binding post and be connected with external wire, traditional circuit breaker binding post is that the power direction of wiring operation is perpendicular with the wiring direction at present, that is to say, external force is used for the direction of wiring operation and wire wiring direction inconsistent, lead to binding post wiring in-process to need the space of two directions at least to operate, but some circuit breakers need to install in narrow and small space at present, and only there is the space for the wiring operation in circuit breaker wiring direction, current binding post can't satisfy binding post wiring connection under this kind of condition.

In order to solve the problems, the chinese utility model with the publication number CN 209104095U discloses a composite wiring terminal, which solves the problems that the wiring direction is different from the wiring direction of the wire and the occupied space is large by the combination of the screw and the spring piece. However, the structure has the following problems: 1. the mode that adopts the screw to twist the nut drives the spring leaf, causes the droing of screw easily during the use, and the operation is inconvenient. 2. The length of the screw in the axial direction is large, the longitudinal distance of the wiring support needs to be designed to be large, the required operation space is also large, otherwise, for thick wires, the screw may be exposed for a long distance, the fixing effect is poor, or potential safety hazards are caused.

Disclosure of Invention

The present invention is directed to overcome the above-mentioned drawbacks of the prior art, and to provide a composite terminal, which improves the convenience of operation and reduces the overall size of the terminal.

The purpose of the invention can be realized by the following technical scheme:

a composite wiring terminal comprises a wiring support, a spring piece, a rotating shaft, a wiring baffle and an actuating mechanism, wherein the rotating shaft is arranged in the wiring support, the spring piece is positioned on the rotating shaft in the wiring support and can rotate around the rotating shaft, the wiring baffle is arranged on one side of the top end of the wiring support, a wiring space is reserved between the end of an elastic arm on one side of the spring piece and the wiring baffle, and the actuating mechanism is positioned at the bottom of the wiring support and used for being linked with the spring piece;

actuating mechanism include screw rod, mount and sliding block, the mount connect the wiring support, be equipped with spacing slotted hole on the mount, the screw rod on be equipped with the annular, the screw rod passes spacing slotted hole and makes annular and spacing slotted hole gomphosis each other, the screw rod can rotate in spacing slotted hole simultaneously, the sliding block install on the screw rod and with screw rod threaded connection, the sliding block along with the rotation of screw rod along screw rod axial displacement, the sliding block promotes the support arm end of spring leaf opposite side and makes the spring leaf rotate, can compress tightly male external conductor at rotation in-process spring arm end.

Furthermore, a U-shaped groove is formed in the end of the support arm and used for penetrating through the screw rod.

Further, a disc head is arranged on the screw rod close to the proximal end part of the annular groove.

Further, a rotating handle is arranged on the screw rod and close to the proximal end portion of the annular groove.

Furthermore, the limiting slotted hole is a U-shaped hole.

Furthermore, a bearing is arranged between the limiting slotted hole and the rotating shaft.

Further, the far-end part of the screw rod, far away from the ring groove, is provided with a smooth surface.

Furthermore, the sliding block bottom be equipped with the lug, wiring support bottom be equipped with the sliding tray, the lug insert in the sliding tray and make the sliding block can move along the sliding tray.

Furthermore, the wiring baffle and the wiring bracket are integrated.

Furthermore, the fixing frame and the wiring support are integrated.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention designs an integral actuating mechanism consisting of a screw rod, a fixed frame and a sliding block, and solves the technical problems that a screw nut structure is easy to fall off and the longitudinal length in a wiring support is overlarge.

2. The U-shaped groove is formed in the supporting arm end, so that the supporting arm end and the screw rod are mutually staggered, the stroke of the spring piece can be effectively increased in the same space, the space is more compact, and the overall size of the terminal is favorably reduced.

3. The end part of the screw is provided with the disk head part, so that the contact area between the disk head part and the screwdriver is increased, and the use and the installation are more stable and convenient; or the end part of the screw rod can be a rotary handle, so that a user can conveniently and directly carry out hand screwing installation, and the use of tools is avoided.

4. The distal end of keeping away from the annular on the screw rod is the smooth surface, can carry on spacingly to the sliding block, breaks away from the screw rod at the in-process sliding block of taking out stitches.

5. The sliding block is provided with a convex block matched with the sliding groove, so that the stability of the sliding block during moving is improved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic cross-sectional structure of the present invention.

FIG. 3 is a schematic structural diagram of a state where a wire is not clamped according to the present invention.

FIG. 4 is a schematic diagram of a wire clamping state according to the present invention.

Reference numerals: 1. the wiring bracket comprises a wiring support 11, a sliding groove 2, a spring piece 21, a spring arm end 22, a support arm end 22a, a U-shaped groove 3, a rotating shaft 4, a wiring baffle 5, a screw rod 51, a ring groove 6, a fixing frame 61, a limiting groove hole 7, a sliding block 71, a bump 8 and a disk head.

Detailed Description

The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

Example one

As shown in fig. 1 to 4, the embodiment provides a composite connection terminal, which includes a connection bracket 1, a spring plate 2, a rotation shaft 3, a connection baffle 4 and an actuator. The rotating shaft 3 is arranged in the wiring bracket 1, and the spring piece 2 is positioned on the rotating shaft 3 in the wiring bracket 1 and can rotate around the rotating shaft 3. The wiring baffle 4 is arranged at one side of the top end of the wiring bracket 1, and a wiring space is reserved between the elastic arm end 21 at one side of the spring piece 2 and the wiring baffle 4. The actuating mechanism is positioned at the bottom of the wiring bracket 1 and is used for being linked with the spring piece 2.

The actuating mechanism comprises a screw rod 5, a fixed frame 6 and a sliding block 7. The fixing frame 6 is arranged on the wiring bracket 1. The fixing frame 6 is provided with a limit slot 61. The screw 5 has a ring groove 51 at the left end, and the screw 5 passes through the stopper groove 61 so that the ring groove 51 and the stopper groove 61 are engaged with each other, and the screw 5 can freely rotate in the stopper groove 61. The stopper groove hole 61 restricts the axial direction of the screw 5. A slide block 7 is mounted on the right end portion of the screw 5. Specifically, a threaded hole is formed in the sliding block 7 and used for penetrating through the screw rod 5; a projection 71 is provided at the lower end of the slide block 7, a slide groove 11 is provided at the bottom of the wire connecting bracket 1 along the axial direction of the screw 5, and the projection 71 is inserted into the slide groove 11. Thereby, the slide block 7 can move along the slide groove 11 with the rotation of the screw 5. The left end part of the screw rod 5 is also provided with a disk head part 8 with a larger area, so that the contact area between the screw rod 5 and a screwdriver is increased, and the use and the installation are more stable and convenient.

Wiring baffle 4 and wiring support 1 are general formula as an organic whole, or detachable construction, and specific form is not limited, and this embodiment has adopted the detachable construction that buckle formula is connected. The fixing frame 6 and the wiring support 1 are also generally integrated or detachable structures, and in the embodiment, a plug-in type detachable structure is adopted. The protrusions at both ends of the fixing frame 6 are inserted into the grooves of the wire connecting bracket 1, and the limiting groove hole 61 in the fixing frame 6 is a U-shaped hole opened downward so that the ring groove 51 is embedded in the U-shaped hole. The structure can realize simple and convenient installation and disassembly of the whole actuating mechanism.

In this embodiment, the arm end 22 may further be provided with a U-shaped groove 22a for passing through the screw 5. This structure makes the support arm end 22 and the screw 5 crisscross each other, can effectively increase the stroke of spring leaf 2 under same space for the space is compacter, is favorable to reducing the whole volume of terminal.

The working principle of the embodiment is as follows: when a lead is inserted below the wiring baffle 4, the screw 5 is rotated, the screw 5 drives the sliding block 7 to push the spring piece 2 to rotate around the rotating shaft 3, and the elastic arm end 21 of the spring piece 2 and the wiring baffle 4 compress the inserted lead together in the rotating process.

Example two

The overall structure and the principle of the embodiment are the same as those of the embodiment, and the difference is that a rotating handle is adopted on the screw rod close to the proximal end part of the ring groove to replace a disk head part, so that a user can directly carry out hand screwing installation, the use of tools is avoided, and the convenience is further improved.

EXAMPLE III

The overall structure and principle of the embodiment are the same as those of the embodiment, and the difference is that a bearing can be arranged between the limiting slotted hole and the rotating shaft. The bearing can be a ball bearing, a sliding bearing and the like, and the form is not limited. The stability of screw rod installation and the fluency of rotation are improved.

Example four

The overall structure and principle of this embodiment are the same as those of the first embodiment, except that the distal end portion of the screw rod, which is away from the ring groove, is a smooth surface, and the slide block is a rectangular block, there is no slide groove at the bottom of the wire connecting bracket, and the rectangular block and the bottom perform surface contact sliding. From this, at the slip in-process of sliding block, the smooth surface on the screw rod can carry on spacingly to the sliding distance of sliding block, prevents that it from deviating from the screw rod.

The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims

1. A composite wiring terminal comprises a wiring support (1), a spring piece (2), a rotating shaft (3), a wiring baffle (4) and an actuating mechanism, wherein the rotating shaft (3) is installed in the wiring support (1), the spring piece (2) is located on the rotating shaft (3) in the wiring support (1) and can rotate around the rotating shaft (3), the wiring baffle (4) is arranged on one side of the top end of the wiring support (1), a wiring space is reserved between an elastic arm end (21) on one side of the spring piece (2) and the wiring baffle (4), and the actuating mechanism is located at the bottom of the wiring support (1) and used for being linked with the spring piece (2);

it is characterized in that the actuating mechanism comprises a screw rod (5), a fixed frame (6) and a sliding block (7), the fixed frame (6) is connected with the wiring bracket (1), a limit slotted hole (61) is arranged on the fixed mount (6), a ring groove (51) is arranged on the screw rod (5), the screw rod (5) passes through the limit slotted hole (61) to ensure that the ring groove (51) and the limit slotted hole (61) are mutually embedded, meanwhile, the screw rod (5) can rotate in the limiting groove hole (61), the sliding block (7) is installed on the screw rod (5) and is in threaded connection with the screw rod (5), the sliding block (7) moves along the axial direction of the screw rod (5) along with the rotation of the screw rod (5), the sliding block (7) pushes the support arm end (22) on the other side of the spring piece (2) to enable the spring piece (2) to rotate, and the spring arm end (21) can compress the inserted external lead in the rotating process.

2. The composite terminal according to claim 1, wherein the arm end (22) is provided with a U-shaped groove (22a) for passing the screw (5).

3. The composite terminal according to claim 1, wherein the screw (5) is provided with a disk head (8) at a proximal end thereof adjacent to the ring groove (51).

4. The composite terminal according to claim 1, wherein the screw (5) is provided with a rotating handle at a proximal end thereof adjacent to the ring groove (51).

5. The composite terminal according to claim 1, wherein the limiting slot (61) is a U-shaped hole.

6. The composite terminal according to claim 1, wherein a bearing is disposed between the limiting slot (61) and the shaft (3).

7. The composite terminal according to claim 1, wherein a distal portion of the screw (5) remote from the ring groove (51) is provided with a smooth surface.

8. The composite connecting terminal according to claim 1, wherein the sliding block (7) is provided with a protrusion (71) at the bottom, the connecting bracket (1) is provided with a sliding groove (11) at the bottom, and the protrusion (71) is inserted into the sliding groove (11) to enable the sliding block (7) to move along the sliding groove (11).

9. The composite terminal according to claim 1, wherein the terminal block (4) and the terminal support (1) are formed as a single body.

10. The composite terminal according to claim 1, wherein the fixing frame (6) and the terminal support (1) are integrated.