CN218182681U

CN218182681U - Fixed locator

Info

Publication number: CN218182681U
Application number: CN202221623543.5U
Authority: CN
Inventors: 胡小红
Original assignee: Zhejiang Jingrui Instrument Equipment Co ltd
Current assignee: Zhejiang Jingrui Instrument Equipment Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-12-30
Anticipated expiration: 2032-06-27

Abstract

The utility model discloses a fixed locator, including locator seat and location core, be equipped with the mounting hole on the locator seat, the location core end is arranged in the mounting hole, be equipped with location core pressure spring in the mounting hole, location core pressure spring one end supports on the mounting hole, and one end supports on the location core; the location core includes the tubulose body, and tubulose body front end is equipped with the extension, and 4 evenly distributed dodge the hole on the periphery of extension, dodge the hole and be the rectangle structure, have four sides, and adjacent side passes through circular arc limit transitional coupling. The utility model discloses to fix a position the core and prolong to the crimping mouth, convenience of customers is with terminal disect insertion location in-core, and fixes a position the core and play direction, support the effect to the terminal, prevent the skew of terminal crimping in-process.

Description

Fixed locator

Technical Field

The utility model relates to a crimping tool technical field, in particular to fixed locator.

Background

The electric connector consists of a fixed end electric connector (socket for short) and a free end electric connector (plug for short). The socket is fixed on the electric part through the square plate, the plug is generally connected with the conducting wire, and the plug and the socket are connected through the connecting nut. The plug terminal and the lead need a crimping tool to fix, when in crimping, the round tubular terminal is placed in a pressing block of the crimping tool, then the lead is placed in the terminal, and the pressing block extrudes the round tube of the terminal inwards to form a concave point, so that the plug terminal and the lead are connected together. When the terminal is placed into the pressing block, the position of the terminal is limited by using the positioner, and the position of the terminal is not inclined after the lead is inserted into the terminal. As shown in fig. 6 and 7, the conventional locator is placed on the back of the crimping tool, and in order to avoid interference with the opening and closing of the jaw teeth, the first positioning cores 41 of the conventional locator 4 are all relatively short, the end ports of the first positioning cores 41 are inside the crimping surface, and the positioning holes are not clearly seen when the terminals are placed, so that the positioning holes are usually placed blindly, which is not only laborious, but also the terminals are easily placed askew, and defective products are generated.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a fixed locator, it is downthehole that the location core can stretch into the crimping, neither interferes the tong tooth, makes things convenient for placing of terminal again, guarantees the crimping quality.

Therefore, the technical scheme of the utility model is that: a fixed locator comprises a locator seat and a locating core, wherein the locator seat is provided with a mounting hole, the tail end of the locating core is arranged in the mounting hole, a locating core pressure spring is arranged in the mounting hole, one end of the locating core pressure spring abuts against the mounting hole, and the other end of the locating core pressure spring abuts against the locating core; the positioning core comprises a tubular body, an extending part is arranged at the front end of the tubular body, 4 avoiding holes are uniformly distributed in the circumferential surface of the extending part and are of rectangular structures, four sides are arranged, and adjacent sides are in transition connection through arc edges.

The utility model prolongs the positioning core, so that the positioning core can pass through the crimping hole and approach the crimping port, and a user can insert the terminal into the positioning core conveniently; simultaneously, 4 avoiding holes are formed in the positioning core, the avoiding holes are opposite to 4 forceps teeth in the crimping holes in position, and during crimping, the forceps teeth can penetrate through the avoiding holes to crimp terminals in the positioning core, so that crimping quality is improved.

Preferably, the whole length of the positioning core is 20.22mm, and the length of the extension part is 7.10-7.15 mm; the length of the avoidance hole is 3.14mm, and the width of the avoidance hole is 1.34-1.39 mm.

Preferably, the outer diameter of the tubular body of the positioning core is larger than that of the extension part, an annular step surface is formed between the outer diameter of the tubular body of the positioning core and the outer diameter of the extension part, the outer diameter of the tubular body is 4.40-4.43 mm, and the outer diameter of the extension part is 3.70-3.75 mm.

Preferably, the tail end of the positioning core is provided with an annular surface extending outwards, one side of the annular surface abuts against the inner side of the mounting hole, the other side of the annular surface abuts against the positioning core pressure spring, and the outer diameter of the annular surface is 5mm.

Preferably, the whole locator seat is disc-shaped, a circular boss is arranged in the middle of the locator seat, and the mounting hole penetrates through the whole locator seat; the clamping pins are installed on two sides of the circular boss, a screw hole is formed in the side face of the circular boss, a set screw is installed at the position of the screw hole, and the set screw is abutted to the side face of the positioning core. The positioner is fixed on the crimping tool through the clamping pin, and the positioning core is inserted into the crimping hole; the fastening screw is abutted with the positioning core to play a role in fastening the positioning core.

Compared with the prior art, the beneficial effects of the utility model are that: the positioning core is extended to the crimping port, so that a user can conveniently insert the terminal into the positioning core directly, and the positioning core plays a role in guiding and supporting the terminal, and prevents the terminal from deviating in the crimping process; the avoidance holes in the positioning core are the same in number and opposite in position to the clamp teeth, and the clamp teeth can penetrate the avoidance holes to crimp the terminals in the positioning core, so that the crimping quality is improved.

Drawings

The following detailed description is made with reference to the accompanying drawings and embodiments of the present invention

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the structure of the present invention;

FIG. 3 is a schematic size diagram of the positioning core of the present invention;

FIG. 4 isbase:Sub>A sectional view A-A of FIG. 3;

fig. 5 is a schematic view of the installation of the present invention;

FIG. 6 is a sectional view of a conventional retainer;

fig. 7 is a schematic view showing the installation of a conventional retainer.

Labeled as: the positioning device comprises a positioner seat 1, a circular boss 11, a mounting hole 12, a clamping pin 13, a set screw 14, a positioning core pressure spring 15, a positioning core 2, a tubular body 21, an annular surface 22, an extension part 23, an avoiding hole 24, a crimping tool 3, a crimping hole 31, a crimping port 32, a clamp tooth 33, an existing positioner 4 and a first positioning core 41.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.

See the drawings. The positioner comprises a positioner seat 1 and a positioning core 2, wherein the positioner seat 1 is integrally disc-shaped, a circular boss 11 is arranged in the middle of the positioner seat 1, and a through mounting hole 12 is formed in the positioner seat; the two sides of the circular boss 11 are provided with clamping pins 13, the side surface of the circular boss 11 is provided with a screw hole, a set screw 14 is arranged at the screw hole, and the set screw 14 is abutted against the side surface of the positioning core 2. The positioner 2 is fixed on the crimping tool through a clamping pin 13, and the positioning core is inserted into the crimping hole; the set screw is abutted with the positioning core to play a role in fastening the positioning core.

The positioning core 2 comprises a tubular body 21, the rear end of the tubular body 21 is provided with an annular surface 22 extending outwards, the annular surface 22 is arranged in the mounting hole 12 of the positioner seat, a positioning core pressure spring 15 is arranged in the mounting hole 12, one end of the positioning core pressure spring 15 abuts against the bottom of the mounting hole 12, and the other end of the positioning core pressure spring abuts against the annular surface 22 of the positioning core 2; tubular body 21 front end is equipped with extension 23, evenly distributed 4 dodge hole 24 on the periphery of extension 23, dodges hole 24 and is the rectangle structure, has four sides, and adjacent side passes through circular arc limit transitional coupling. The overall length L1 of the positioning core 2 is 20.22mm, the outer diameter D1 is 4.40-4.43 mm, the length L2 of the extension part 23 is 7.10-7.15 mm, and the outer diameter D2 is 3.70-3.75 mm; the length L3 of the avoidance hole 24 is 3.14mm, and the width L4 is 1.34-1.39 mm. The outer diameter D3 of the annular surface at the rear part of the tubular body is 5mm

As shown in fig. 5, when the present embodiment is assembled to the crimping tool 3, the extension 23 of the positioning core 2 can pass through the crimping hole 31, close to the crimp interface 32, and the user inserts the terminal into the positioning core; meanwhile, 4 avoiding holes 24 are formed in the positioning core, the avoiding holes are opposite to 4 clamp teeth 33 in the crimping holes, and during crimping, the clamp teeth can penetrate through the avoiding holes to crimp terminals in the positioning core, so that crimping quality is improved.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A fixed locator comprises a locator seat and a locating core, wherein the locator seat is provided with a mounting hole, the tail end of the locating core is arranged in the mounting hole, a locating core pressure spring is arranged in the mounting hole, one end of the locating core pressure spring abuts against the mounting hole, and the other end of the locating core pressure spring abuts against the locating core; the method is characterized in that: the positioning core comprises a tubular body, an extending part is arranged at the front end of the tubular body, 4 avoiding holes are uniformly distributed in the circumferential surface of the extending part and are of rectangular structures, four sides are arranged, and adjacent sides are in transition connection through arc edges.

2. The fixed positioner of claim 1, wherein: the whole length of the positioning core is 20.22mm, and the length of the extending part is 7.10-7.15 mm; the length of the avoidance hole is 3.14mm, and the width of the avoidance hole is 1.34-1.39 mm.

3. The fixed positioner of claim 2, wherein: the outer diameter of the tubular body of the positioning core is larger than that of the extension part, an annular step surface is formed between the tubular body and the extension part, the outer diameter of the tubular body is 4.40-4.43 mm, and the outer diameter of the extension part is 3.70-3.75 mm.

4. The stationary positioner of claim 2, wherein: the terminal annular face that outwards extends that is equipped with of location core, annular face one side supports at the mounting hole inboard, and the opposite side offsets with location core pressure spring, and the external diameter of annular face is 5mm.

5. The fixed positioner of claim 1, wherein: the whole positioner seat is disc-shaped, a circular boss is arranged in the middle of the positioner seat, and the mounting hole penetrates through the whole positioner seat; the clamping pins are installed on two sides of the circular boss, a screw hole is formed in the side face of the circular boss, a set screw is installed at the position of the screw hole, and the set screw is abutted to the side face of the positioning core.