CN218513838U

CN218513838U - Special locator suitable for micro rectangular connector semi-flexible contact

Info

Publication number: CN218513838U
Application number: CN202222272708.5U
Authority: CN
Inventors: 闫力; 张哲文
Original assignee: Jiangsu Tongguang Electronic Wire & Cable Corp ltd
Current assignee: Jiangsu Tongguang Electronic Wire & Cable Corp ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2023-02-21
Anticipated expiration: 2032-08-29

Abstract

The utility model discloses a special locator suitable for little rectangular connector semi-flexible contact, including the casing, be equipped with the cylinder in the casing, the cylinder passes through the location stick and the casing is connected, is equipped with the spring between cylinder bottom and the casing, and the cylinder end is equipped with the shaft shoulder, and the cylinder end is equipped with the locating hole, and the cylinder middle part is equipped with the hole, and the location stick runs through the hole and the cylinder is connected. Half flexible contact that can be accurate fixes a position, and the pressing claw of crimping tool of being convenient for carries out the crimping to it to can play buffer protection's effect to half transparent half flexible contact through the spring, the location stick can prevent the cylinder slippage.

Description

Special locator suitable for micro rectangular connector semi-flexible contact

Technical Field

The utility model relates to a locator field specifically is a special locator suitable for little rectangular connector semi-flexible contact.

Background

At present, in the manufacturing of wire harnesses, crimping is a termination method which is widely used in the aerospace field, convenient, fast and high in reliability. The semi-flexible contact element of the micro connector is a micro pin similar to a plug, a cavity at the tail end of the semi-flexible contact element is a wiring part in which a wire core needs to be inserted, and one end of a wire is stripped and then inserted into the cavity; because the cavity is movably connected with the wire core, the wiring part of the contact needs to be crimped by the pressing claw of the crimping pliers, so that the wiring part of the contact is fixedly contacted with the wire core without displacement. However, if the indentation is located on the inner side of the terminal portion near the contact pin, the transmission performance is affected, and if the indentation is located on the outer side of the terminal portion near the cavity, the crimp between the contact pin and the core is weak, so that the wire and the contact pin are separated.

Therefore, the crimping pliers special for aerospace also become a necessary termination tool for domestic manufacturers, but in the aspect of matched locators, the standard locators of the semi-flexible contact elements of the circular connector are relatively complete, but the standard locators of the semi-flexible contact elements of the micro-rectangular connector are not available, the main reason is that the application range of the micro-rectangular connector is small, the crimping pliers are mainly used for the aerospace field, the semi-flexible contact elements are extremely rare semi-flexible contact element types in the same type of products, the manufacturing process is complex, the structure is exquisite, the crimping pliers are small-sized precise devices, and the size and the weight of aerospace electrical connection devices can be greatly reduced.

In the field of locators (not only flexible contacts), in the published document CN 202122586747-a spring telescopic locating pin, the tail end of the sliding column lacks a locating hole cavity which can be used for locating, when locating an object, the object cannot be accurately crimped, and when the sliding column displaces in a long rod, the sliding column is easy to slip.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model discloses a special locator suitable for little rectangular connector semi-flexible contact can be accurate semi-flexible contact advance line location, and the crimping tool's of being convenient for pressure claw carries out the crimping to it to can play the effect of buffering protection to semi-flexible contact through the spring, the location stick can prevent the cylinder slippage.

The technical scheme of the utility model is that: special locator suitable for little rectangular connector semi-flexible contact, including the casing, be equipped with the cylinder in the casing, the cylinder passes through the location stick and the casing is connected, is equipped with the spring between cylinder bottom and the casing, and the cylinder end is equipped with the shaft shoulder, and the cylinder end is equipped with the locating hole, and the cylinder middle part is equipped with the hole, and the location stick runs through hole and cylinder and connects.

Furthermore, the positioning hole is positioned at the tail end of the column body, namely the root of the shaft shoulder, and the positioning hole is a cavity which is parallel to the column body and faces the column body, and the track of the circle center of the cavity is superposed on the center line of the column body.

Furthermore, the diameter of the positioning hole is 0.89-0.91mm, the depth is 4.99-5.01mm, the size of the positioning hole is matched with the diameter of the semi-flexible contact piece, and the circle centers of the semi-flexible contact piece and the positioning hole are overlapped.

Further, the length of the shaft shoulder is 1.49-1.51mm, and the diameter of the column body of the shaft shoulder part is 3.47-3.49mm.

Furthermore, the hole in the middle of the column body is a waist-shaped hole, the length of the hole is 3.04-3.06mm, and the distance from the top of the hole to the top of the column body is 4.09-4.11mm.

Furthermore, the length of the column body is 14.94mm, the diameter of the column body is 3.87-3.89mm, and the column body is made of rigid materials.

Furthermore, the positioning rod penetrates through the shell and the hole on the column body, the length of the positioning rod is 12.11-12.13mm, the diameter of the positioning rod is 1.09-1.11mm, and the distance from the bottom of the positioning rod to the bottom of the shell is 0.59-0.61mm.

Furthermore, the whole shell is in a convex shape, the positioning rod is positioned at the upper half part of the convex shape, the cylinder is positioned in the groove of the shell, the shell is made of aluminum alloy, and the spring is made of ductile metal materials.

The utility model discloses an useful part: 1. the utility model discloses a be equipped with shaft shoulder and locating hole at the top of cylinder, when half flexible contact compresses tightly, the cavity of locating hole circular just in time with the coincidence of half flexible contact, the position of locating hole coincidence is terminal just in order to press the position that the claw need carry out the crimping, make things convenient for crimping tool's pressure claw to fix a position suitable position to it for crimping department between sinle silk and the half flexible contact is in suitable position, improves transmission performance and firmness.

2. The utility model discloses a set up waist type hole on the cylinder, make things convenient for the location stick to pass casing and cylinder for the cylinder is maintained inside the casing always, only produces fore-and-aft displacement, and does not take place horizontal displacement, prevents that the device from warping.

3. The utility model discloses a set up the spring between cylinder bottom and casing, after the cylinder is accomplished to semi-flexible contact crimping, the spring can kick-back rapidly, and convenient device carries out the crimping to next semi-flexible contact to the spring can play the effect of protection buffering to semi-flexible contact.

Drawings

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

FIG. 2 is a schematic left side view of the present invention;

FIG. 3 is a schematic structural view of the front view of the present invention;

fig. 4 is a schematic structural view of a cross-sectional view of the present invention;

FIG. 5 is a schematic structural view of the column of the present invention;

FIG. 6 is a schematic structural view of the semi-compliant contact of the present invention;

wherein: 1. the connector comprises a shell, 2, a column body, 3, a shaft shoulder, 4, a positioning hole, 5, a hole, 6, a positioning rod, 7, a spring, 8, a groove, 9, a semi-flexible contact piece, 10, a plug part, 11, a wiring part, 12, an indentation, 13 and an electric wire.

Detailed Description

In order to deepen the understanding of the present invention, the following detailed description is given with reference to the accompanying drawings, which are only used for explaining the present invention and do not constitute a limitation to the protection scope of the present invention.

As shown in fig. 1-5, a special locator suitable for a semi-flexible contact of a micro rectangular connector, including a housing 1, a cylinder 2 is arranged in the housing 1, the cylinder 2 is connected with the housing 1 through a locating rod 6, a spring 7 is arranged between the bottom of the cylinder 2 and the housing 1, a shaft shoulder 3 is arranged at the tail end of the cylinder 2, a locating hole 4 is arranged at the tail end of the cylinder 2, a hole 5 is arranged in the middle of the cylinder 2, the locating rod 6 penetrates through the hole 5 to be connected with the cylinder 2, a cavity of the locating hole 4 at the bottom of the cylinder 2 is abutted against an insertion part 10 of the semi-flexible contact 9 to fix a crimping position, the circular diameter of the cavity of the locating hole 4 is coincided with the diameter of the insertion part 10 of the semi-flexible contact, then a pressing claw catches an indentation 12 at the crimping position, and the catching mark is uniform and has higher precision during crimping.

The semi-flexible contact 9 comprises a wiring portion 11, one end of the wiring portion 11 is a connection portion 10, and an electric wire 13 is arranged in the wiring portion 11.

The positioning hole 4 is positioned at the tail end of the column body 2, namely the root part of the shaft shoulder 3, the positioning hole 4 is a cavity which is parallel to the column body 2 and has a circle center track coincident with the central line of the column body 2 and faces the column body 2, and the positioning hole is suitable for positioning a semi-flexible contact element of the micro-rectangular connector.

The diameter of the positioning hole 4 is 0.89-0.91mm, the depth is 4.99-5.01mm, the size of the positioning hole 4 is matched with the diameter of the inserting part 10 of the semi-flexible contact 9, the inserting part 10 of the semi-flexible contact 9 is overlapped with the circle center of the positioning hole 4, and the scratch marks are uniform during compression joint.

The length of the shaft shoulder 3 is 1.49-1.51mm, the diameter of the column body 2 of the shaft shoulder 3 part is 3.47-3.49mm, and the shaft shoulder is matched with a slotted hole of the grabbing tool.

The hole 5 in the middle of the column body 2 is a waist-shaped hole, the length of the hole 5 is 3.04-3.06mm, the distance from the top of the hole 5 to the top of the column body 2 is 4.09-4.11mm, and the positioning rod 6 can move up and down in the waist-shaped hole under the stretching of the spring 7 at the bottom of the main body 2 conveniently.

The length of the cylinder 2 is 14.94mm, the diameter of the cylinder 2 is 3.87-3.89mm, and the cylinder 2 is made of rigid materials, so that the cylinder does not deform when the semi-flexible contact part is in contact with the cylinder, and the stability is high.

The positioning rod 6 penetrates through the holes 5 in the shell 1 and the cylinder 2, the length of the positioning rod 6 is 12.11-12.13mm, the diameter of the positioning rod 6 is 1.09-1.11mm, the distance from the bottom of the positioning rod 6 to the bottom of the shell 1 is 0.59-0.61mm, and the positioning rod 6 can play a limiting role on the main body 2, so that the cylinder 2 always moves up and down in the shell 1, and the resilience of the main body is ensured.

The whole body of the shell 1 is in a convex shape, the positioning rod 6 is positioned at the upper half part of the convex shape, the cylinder 2 is positioned in the groove 8 of the shell, the shell 1 is made of aluminum alloy, the spring 7 is made of ductile metal materials, the spring is positioned between the bottom of the cylinder 2 and the groove 8, and the spring 7 is in a compressed state when in compression joint.

The cylinder 2 faces the semi-flexible contact element, when the cylinder contacts the semi-flexible contact element 9, the spring gradually takes a compressed state, the positioning hole 4 of the cylinder 2 is abutted against the semi-flexible contact element 9, the cavity of the positioning hole 4 is circular and the inserting part 10 of the semi-flexible contact element 9 is overlapped, namely the position of the cylinder 2 on the semi-flexible contact element 9 is fixed, the tail end of the fixed position is the position needing crimping, one end of a pressing claw is directly abutted against the cylinder 2, the other end of the pressing claw is in crimping connection with the semi-flexible contact element 9, the pressing claw of a crimping tool is convenient to position, the uniform precision of an indentation 12 caught by the pressing claw in the crimping process is high, namely the electric wire 13 in the wiring part 11 is inwards extruded due to the pressing claw, the electric wire is fixed in the wiring part 11, after the completion, the cylinder 2 is far away from the semi-flexible contact element, and the spring 7 rebounds.

It will be understood by those skilled in the art that the embodiments of the present invention as described above and illustrated in the accompanying drawings are given by way of example only and not as a limitation of the invention, the objects of which have been fully and effectively achieved. The functional and structural principles of the present invention have been shown and described in the embodiments without departing from the principles, embodiments of the present invention may have any deformation or modification.

Claims

1. Special locator suitable for little rectangular connector semi-flexible contact, which comprises a housin, be equipped with the cylinder in the casing, the cylinder passes through the location stick and shell connection, its characterized in that: the cylinder is characterized in that a spring is arranged between the bottom of the cylinder and the shell, a shaft shoulder is arranged at the tail end of the cylinder, a positioning hole is formed in the tail end of the cylinder, a hole is formed in the middle of the cylinder, and the positioning rod penetrates through the hole and is connected with the cylinder.

2. The specialized retainer for micro rectangular connector semi-flexible contacts according to claim 1, wherein: the positioning hole is positioned at the tail end of the column body, namely the root part of the shaft shoulder, and the positioning hole is a cavity which is parallel to the column body and faces the column body, and the track of the circle center of the cavity is superposed on the central line of the column body.

3. The retainer of claim 2 adapted for use with a micro rectangular connector semi-flexible contact, wherein: the diameter of the positioning hole is 0.89-0.91mm, the depth of the positioning hole is 4.99-5.01mm, the size of the positioning hole is matched with the diameter of the semi-flexible contact piece, and the circle centers of the semi-flexible contact piece and the positioning hole are overlapped.

4. The specialized retainer for micro rectangular connector semi-flexible contacts according to claim 1, wherein: the length of the shaft shoulder is 1.49-1.51mm, and the diameter of the cylinder of the shaft shoulder part is 3.47-3.49mm.

5. The retainer of claim 1 adapted for use with a micro rectangular connector semi-flexible contact, wherein: the hole in the middle of the column body is a waist-shaped hole, the length of the hole is 3.04-3.06mm, and the distance from the top of the hole to the top of the column body is 4.09-4.11mm.

6. The retainer of claim 1 adapted for use with a micro rectangular connector semi-flexible contact, wherein: the length of the cylinder is 14.94mm, the diameter of the cylinder is 3.87-3.89mm, and the cylinder is made of rigid materials.

7. The specialized retainer for micro rectangular connector semi-flexible contacts according to claim 1, wherein: the positioning rod penetrates through the holes in the shell and the cylinder, the length of the positioning rod is 12.11-12.13mm, the diameter of the positioning rod is 1.09-1.11mm, and the distance from the bottom of the positioning rod to the bottom of the shell is 0.59-0.61mm.

8. The specialized retainer for micro rectangular connector semi-flexible contacts according to claim 1, wherein: the whole convex shape of the shell, the positioning rod is located on the upper half part of the convex shape, the cylinder is located in the groove of the shell, the shell is made of aluminum alloy, and the spring is made of tough metal materials.