CN221508492U - Needle-type cold-pressing terminal - Google Patents

Abstract

The utility model discloses a needle-type cold-pressed terminal, which belongs to the technical field of electric equipment and comprises a cold-pressed terminal body and a needle-type head, wherein the cold-pressed terminal body and the needle-type head are of an integrated structure, a wiring port is formed in the middle of the cold-pressed terminal body, a screw sleeve is slidably connected to the outer end of the wiring port, threaded strips are arranged at the end, close to each other, of the wiring port, a communication hole is formed in the inner wall of the wiring port, an extrusion plate is slidably connected in the communication hole, the extrusion plate comprises a stress block, the stress block is slidably connected in the communication hole, an extrusion sheet is fixedly connected to one end, close to the wiring port, of the stress block, the purpose of pressing and fixing wires in the wiring port through the screw sleeve extrusion plate can be achieved, the wires with different thicknesses can be clamped and fixed under the extrusion of the screw sleeve by means of the cambered surface of the extrusion plate, and the practicability of the cold-pressed terminal is effectively improved.

Description

Needle-type cold-pressing terminal

Technical Field

The utility model relates to the technical field of power equipment, in particular to a pin-type cold-pressing terminal.

Background

Cold pressed terminals are an electrical connection device that uses mechanical pressure rather than welding or bolting. The principle is that by crimping two or more conductors to form a reliable electrical connection therebetween, the pin cold-pressed terminal is an electrical connection device designed specifically to solve the problem of complex line connection, and the external appearance thereof is presented as a pin shape, and is thus called a pin-shaped cold-pressed terminal.

Chinese patent grant bulletin number: CN218215700U provides the terminal of colding pressing, and this patent is through compressing tightly structure and back compress tightly structure before the front and back end at the terminal main part sets up the symmetry, can carry out the tight fixation of clamp that more fastening to the wire of inserting to prevent that the wire from receiving great external force and coming off from the terminal of colding pressing, further guaranteed the fastness and the stability of connection.

However, in the above patent, when the wire is pressed, the pressing structure needs to be fastened by a tool, which is inconvenient to use and causes damage to the wire.

Disclosure of utility model

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide a needle-type cold-pressed terminal, which can realize the purpose of pressing and fixing wires in a wiring port through a screw sleeve extrusion plate, and can clamp and fix wires with different thicknesses by utilizing the cambered surface of the extrusion plate under the extrusion of the screw sleeve, thereby effectively improving the practicability of the cold-pressed terminal.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a needle type terminal of colding pressing, includes terminal body and needle type head of colding pressing, terminal body and needle type head structure as an organic whole of colding pressing, the wiring mouth has been seted up in the middle of the terminal body of colding pressing, wiring mouth outer end sliding connection has the swivel nut, wiring mouth and swivel nut all are equipped with the screw thread strip near one end each other, the intercommunicating pore has been seted up to wiring mouth inner wall, sliding connection has the stripper plate in the intercommunicating pore, compresses tightly fixed purpose to the wire in the wiring mouth through swivel nut extrusion stripper plate, utilizes the stripper plate cambered surface setting and can press from both sides tightly fixedly to the wire of different thickness under the extrusion of swivel nut to the effectual practicality that improves the terminal of colding pressing.

Further, the extrusion plate comprises a stress block, the stress block is in sliding connection with the communication hole, the stress block is fixedly connected with the extrusion sheet near one end of the wiring port, the extrusion sheet is driven to extrude the wire through the stress sliding of the stress block, so that the wire is fixed, and the damage to the wire caused by extrusion can be reduced by the extrusion sheet.

Further, the extrusion plate further comprises a plurality of extrusion blocks and a plurality of barb strips, wherein the extrusion blocks and the barb strips are fixedly connected to one end of the extrusion sheet, which is far away from the stress block, and the extrusion blocks and the barb strips are alternately distributed, and the friction between the extrusion blocks and the wires is increased through extrusion lamination of the extrusion blocks and the wires, so that the wires are prevented from falling off, the barb strips can prevent the wires from falling off, and the barb return resistance can be achieved.

Further, the limiting groove is formed in the inner wall of the communication hole, the limiting groove is slidably connected with the limiting block, the limiting block is fixedly connected with the extrusion plate, the reset spring is installed in the limiting groove, the left end and the right end of the reset spring are fixedly connected with the limiting block and the inner wall of the limiting groove respectively, the limiting block slides in the limiting groove, the limiting block can limit the extrusion plate, and the limiting groove can be utilized to enable the extrusion plate to slide and reset.

Furthermore, the outer ends of the upper side and the lower side of the cold-pressed terminal body are fixedly connected with annular baffles, and the threaded sleeve can be limited through the arrangement of the annular baffles so as to be prevented from being separated from the outer end of the cold-pressed terminal body.

Further, the threaded sleeve and the extrusion plate are in arc surface shapes at one end which is mutually abutted, and extrusion resistance between the threaded sleeve and the extrusion plate can be reduced through the arc surface shapes, and meanwhile, the threaded sleeve can be extruded slowly, so that the purpose of extruding wires with different sizes is achieved.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) According to the scheme, the purpose of compressing and fixing the wires in the wiring port through the screw sleeve extrusion plate can be achieved, the wires with different thicknesses can be clamped and fixed by utilizing the arc surface of the extrusion plate and extrusion of the screw sleeve, and therefore the practicability of the cold-pressing terminal is effectively improved.

(2) The extrusion plate includes the atress piece in this scheme, atress piece sliding connection in the intercommunicating pore, and the atress piece is close to wiring mouth one end fixedly connected with extrusion piece, drives extrusion piece through atress piece atress slip and extrudes the wire to this is fixed, and extrusion piece can reduce the damage that leads to the fact the wire extrusion.

(3) The extrusion plate still includes a plurality of extrusion pieces and a plurality of barb strip in this scheme, and a plurality of extrusion pieces and a plurality of barb strip equal fixed connection keep away from atress piece one end in the extrusion piece, and a plurality of extrusion pieces are alternate distribution with a plurality of barb strip, through extrusion piece and wire extrusion laminating, increase with the friction of wire to prevent that the wire from droing, and the barb strip then can prevent that the wire from droing, can play the effect that the back hinders.

(4) In this scheme, the limiting groove has been seted up to the intercommunicating pore inner wall, and sliding connection has the stopper in the limiting groove, and stopper and stripper plate fixed connection, installs reset spring in the limiting groove, and reset spring control both ends respectively with stopper and limiting groove inner wall fixed connection, through stopper in the limiting groove sliding, can play the effect of spacing to the stripper plate, and utilize the limiting groove then can play the effect that makes the stripper plate can slide and reset.

(5) In this scheme the equal fixedly connected with annular baffle of both sides outer end about the terminal body of colding pressing, through the setting of annular baffle, can play spacing effect to the swivel nut, prevent that it from breaking away from the terminal body outer end of colding pressing.

(6) In this scheme swivel nut and the mutual butt one end of stripper plate all are the cambered surface form, through the setting of cambered surface form, can reduce the extruded resistance each other, can slowly extrude simultaneously to this reaches the purpose that can extrude not equidimension wire.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the present utility model in front cross section;

Fig. 3 is an enlarged schematic view of the structure of fig. 2a according to the present utility model.

The reference numerals in the figures illustrate:

1. Cold-pressing the terminal body; 2. a needle head; 3. a wiring port; 4. a thread strip; 5. a screw sleeve; 6. an extrusion plate; 61. a stress block; 62. extruding the sheet; 63. extruding a block; 64. a barb strip; 7. a limit groove; 8. a limiting block; 9. a return spring; 10. an annular baffle.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1:

Referring to fig. 1-3, a pin cold-pressing terminal comprises a cold-pressing terminal body 1 and a pin head 2, wherein the cold-pressing terminal body 1 and the pin head 2 are of an integrated structure, a wiring port 3 is formed in the middle of the cold-pressing terminal body 1, a threaded sleeve 5 is slidably connected to the outer end of the wiring port 3, threaded strips 4 are arranged at the end, close to each other, of the wiring port 3, a communication hole is formed in the inner wall of the wiring port 3, an extrusion plate 6 is slidably connected in the communication hole, the extrusion plate 6 is extruded through the threaded sleeve 5 to compress and fix wires in the wiring port 3, and the cambered surfaces of the extrusion plate 6 are utilized to clamp and fix wires with different thicknesses under the extrusion of the threaded sleeve 5, so that the practicability of the cold-pressing terminal is effectively improved.

The extrusion plate 6 comprises a stress block 61, the stress block 61 is slidably connected in the communication hole, one end of the stress block 61, which is close to the wiring port 3, is fixedly connected with an extrusion sheet 62, the extrusion sheet 62 is driven to extrude the wires by the stress sliding of the stress block 61, so that the wires are fixed, and the damage to the wires caused by extrusion can be reduced by the extrusion sheet 62.

The extrusion plate 6 further comprises a plurality of extrusion blocks 63 and a plurality of barb strips 64, the extrusion blocks 63 and the barb strips 64 are fixedly connected to one end of the extrusion sheet 62 far away from the stressed block 61, the extrusion blocks 63 and the barb strips 64 are alternately distributed, friction between the extrusion blocks 63 and the wires is increased, the wires are prevented from falling off, and the barb strips 64 can prevent the wires from falling off and play a role in back resistance.

Limiting grooves 7 are formed in the inner walls of the communication holes, limiting blocks 8 are slidably connected in the limiting grooves 7, the limiting blocks 8 are fixedly connected with the extrusion plates 6, reset springs 9 are arranged in the limiting grooves 7, the left end and the right end of each reset spring 9 are fixedly connected with the limiting blocks 8 and the inner walls of the limiting grooves 7 respectively, limiting blocks 8 are slidably connected in the limiting grooves 7, limiting of the extrusion plates 6 can be achieved, and the limiting grooves 7 are utilized to achieve the effect of enabling the extrusion plates 6 to slidably reset.

The outer ends of the upper side and the lower side of the cold-pressed terminal body 1 are fixedly connected with annular baffles 10, and the threaded sleeve 5 can be limited through the arrangement of the annular baffles 10 to prevent the threaded sleeve from being separated from the outer end of the cold-pressed terminal body 1.

The threaded sleeve 5 and the extrusion plate 6 are all in cambered surface shape at one end which is mutually abutted, and through the cambered surface shape, the extrusion resistance between the threaded sleeve and the extrusion plate can be reduced, and meanwhile, the threaded sleeve can be extruded slowly, so that the purpose of extruding wires with different sizes can be achieved.

When the cold-pressed terminal is used, referring to fig. 1-3, a wire is inserted into the wiring port 3, and then the screw sleeve 5 is twisted to extrude the extrusion plate 6, so that the pair of extrusion sheets 62, the pair of extrusion blocks 63 and the pair of barb strips 64 are tightly attached to the wire and are pressed and fixed, and meanwhile, the extrusion sheets 62, the extrusion blocks 63 and the barb strips 64 are made of rubber materials, so that friction can be effectively increased.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (6)

1. The utility model provides a needle terminal of colding pressing, includes terminal body (1) and needle head (2) of colding pressing, terminal body (1) and needle head (2) of colding pressing are integrated into one piece structure, its characterized in that: junction (3) have been seted up in the middle of terminal body (1) of colding pressing, junction (3) outer end sliding connection has swivel nut (5), junction (3) all are equipped with screw thread strip (4) with swivel nut (5) one end that is close to each other, the intercommunicating pore has been seted up to junction (3) inner wall, sliding connection has stripper plate (6) in the intercommunicating pore.

2. A pin cold press terminal as set forth in claim 1, wherein: the extrusion plate (6) comprises a stress block (61), the stress block (61) is slidably connected in the communication hole, and one end, close to the wiring port (3), of the stress block (61) is fixedly connected with an extrusion sheet (62).

3. A pin cold press terminal as set forth in claim 2, wherein: the extrusion plate (6) further comprises a plurality of extrusion blocks (63) and a plurality of barb strips (64), the extrusion blocks (63) and the barb strips (64) are fixedly connected to one ends, far away from the stress blocks (61), of the extrusion sheets (62), and the extrusion blocks (63) and the barb strips (64) are distributed alternately.

4. A pin cold press terminal as set forth in claim 1, wherein: limiting grooves (7) are formed in the inner walls of the communication holes, limiting blocks (8) are connected in the limiting grooves (7) in a sliding mode, the limiting blocks (8) are fixedly connected with the extrusion plates (6), reset springs (9) are arranged in the limiting grooves (7), and the left end and the right end of each reset spring (9) are fixedly connected with the limiting blocks (8) and the inner walls of the limiting grooves (7) respectively.

5. A pin cold press terminal as set forth in claim 1, wherein: annular baffles (10) are fixedly connected to the outer ends of the upper side and the lower side of the cold-pressed terminal body (1).

6. A pin cold press terminal as set forth in claim 1, wherein: one end of the threaded sleeve (5) and one end of the extrusion plate (6) which are mutually abutted are all in an arc surface shape.