CN219627023U - 2-needle axial core - Google Patents

Abstract

The utility model discloses a 2-needle axial core body, which comprises an inserting cavity, wherein the inserting cavity is arranged in a male core body, male needles are arranged in the inserting cavity, and two male needles are arranged; the female needle end is arranged on one side of the female core body, two female holes are arranged in the female needle end, the longitudinal sections of the two female holes are trapezoidal, and the diameters of the female holes are gradually reduced from outside to inside; the end cover, it sets up public core and one side of female core are provided with the wiring hole on the end cover, and the wiring hole is provided with two, and the female Kong Zong cross-section that sets up on the female core part of this 2 needle axial cores is trapezoidal setting, and the diameter of female hole is from outside to inside dwindle gradually, and the pressure between the female needle end when inserting public needle is bigger and bigger, improves public needle and female needle end connection fastness, and public needle can not drop in the female hole, has guaranteed public core and female core connection effect, guarantees circuit normal operating.

Description

2-needle axial core

Technical Field

The utility model relates to the technical field of cores, in particular to a 2-needle axial core.

Background

Besides meeting general performance requirements, the electric connector has the important requirements that the electric connector has to achieve good contact, reliable work and convenient maintenance, and whether the work reliability directly affects the normal work of a circuit relates to the security risk of the whole host. The core body is a metal oxide resistor disc assembly with a supporting structure and an internal voltage equalizing system, the 2-needle axial core body is a core body which is provided with two needles and is arranged in a symmetrical mode, the 2-needle axial core body comprises a male core and a female core, the male core and the female core are connected in a plugging mode, and the 2-needle axial core body belongs to an inserting core for an HM series module.

Chinese patent publication No. CN217589507U, grant bulletin day 2022, 10 month and 14 day, seed for HME005 module insert male and female core soon, relate to insert male and female core soon technical field, in order to solve the problem that the module insert male and female core that current connector used can lead to its internal connection's electrode slice to appear the clearance because of the extrusion under frequent plug, thereby influence male and female core life. The utility model discloses a male core, including public female core main part, first shell, second shell, first shell, guard plate, fixed knot, first shell, second shell, first buckle, second shell, first shell and second shell are provided with the first shell, guard plate is all installed on the first shell and the second shell, one side of first shell sets up the plug, one side of second shell is provided with the jack, the both sides terminal surface of first shell and second shell all is provided with fixed knot, and fixed knot is provided with four, the upper and lower terminal surface of first shell and second shell all is provided with first buckle, first buckle is provided with a plurality of, the both sides of first buckle all are provided with the second buckle.

The female core part of the existing axial core body is provided with the female hole with the same inner and outer diameter, and after repeated pulling and inserting, the male needle and the female hole are connected firmly, so that the male needle falls off from the female hole easily, the male core and the female core are connected unstably, the using effect of the axial core body is reduced, and the using requirement cannot be met.

Disclosure of Invention

The utility model aims to provide a 2-needle axial core body, which aims to solve the problems that in the prior art, the inner diameter and the outer diameter of a female hole are consistent, the male needle is easy to fall off from the female hole after multiple pulling and inserting, the connection between the male core and the female core is unstable, the use effect of the axial core body is reduced, and the use requirement cannot be met.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a2-needle axial core body comprises a male core body and a female core body,

the plug-in cavity is arranged in the male core body, male pins are arranged in the plug-in cavity, two male pins are arranged, and the male pins are fixedly connected with the male core body;

the female needle end is arranged on one side of the female core body, the female needle end and the female core body are arranged into an integrated structure, female holes are formed in the female needle end, two female holes are formed and correspond to the male needle, the longitudinal sections of the two female holes are arranged in a trapezoid shape, and the diameters of the female holes gradually decrease from outside to inside;

the end covers are arranged on one sides of the male core body and the female core body, one end cover is provided with wiring holes, and two wiring holes are formed in the end cover.

Preferably, one end of the female core body is provided with a first sealing ring, the first sealing ring is arranged outside the female needle end head, and the first sealing ring and the female core body are connected into an integrated structure.

Preferably, the outer walls of the male core and the female core are respectively provided with a trapezoid clamping block, the trapezoid clamping blocks are fixedly connected with the male core and the female core, the end covers are provided with clamping grooves, the clamping grooves are correspondingly arranged with the trapezoid clamping blocks, the end covers are clamped with the trapezoid clamping blocks, the inside of the end covers is provided with a second sealing ring, the second sealing ring is connected with the end covers into an integral structure, and the second sealing ring is attached to the male core and the female core.

Preferably, the inside of wiring hole is provided with the pyrocondensation cover, and the one end and the end cover fixed connection of pyrocondensation cover, the one end of end cover is provided with the reservation groove, and the reservation groove sets up between two wiring holes.

Preferably, a guide piece is arranged between the two male needles and is fixedly connected with the male core body, the guide piece is arranged at the central position of the insertion cavity, a guide groove is formed in the end head of the female needle, and the guide groove and the guide piece are correspondingly arranged.

Preferably, the upper end and the lower end of the male core body and the female core body are respectively provided with an anti-slip groove, and the anti-slip grooves and the male core body and the female core body are punched into an integrated structure.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the device, through the arrangement of the inserting cavity, the male pin, the female pin end and the female hole, the female pin end is inserted in alignment with the inserting cavity, the male pin is also inserted into the female hole when inserted, the longitudinal section of the female hole is arranged in a trapezoid shape, the male pin is inserted into the female hole and is tightly connected with the female pin end, and the male core body and the female core body are firmly connected and are not easy to fall off;

2. according to the device, through the arrangement of the anti-slip groove, the first sealing ring, the guide piece and the guide groove can play a role in guiding and limiting the end head of the female needle inserted into the insertion cavity, so that the male needle is prevented from being damaged by oblique insertion, the first sealing ring ensures the connection tightness of the male core body and the female core body, the friction force between the hand-held male core body and the female core body is increased by the anti-slip groove, and the pulling and insertion can be better carried out;

3. according to the device, through the arrangement of the clamping groove, the trapezoidal clamping block and the second sealing ring, the clamping of the end cover with the male core body and the female core body is realized by means of the clamping groove and the trapezoidal clamping block, the end cover is convenient to take down for wiring operation, and the second sealing ring ensures the connection tightness of the end cover with the male core body and the female core body.

Drawings

FIG. 1 is a front view of a male core of the present utility model;

FIG. 2 is a rear view of the male core of the present utility model;

FIG. 3 is a front view of a parent core of the present utility model;

FIG. 4 is a rear view of the parent core of the present utility model;

FIG. 5 is a front view of the male core and female core connection of the present utility model;

fig. 6 is a cross-sectional view of the connection of the male core and the female core of the present utility model.

In the figure: 1. a male core; 2. an end cap; 3. a clamping groove; 4. a trapezoid clamping block; 5. a reserved groove; 6. an anti-slip groove; 7. a plug cavity; 8. a male needle; 9. a guide member; 10. a parent core; 11. a first seal ring; 12. a female needle end; 13. a female hole; 14. a guide groove; 15. a wiring hole; 16. thermal shrinkage sleeves; 17. and a second sealing ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-6, an embodiment of the present utility model is provided: a2-needle axial core body comprises a male core body 1 and a female core body 10,

the plug-in cavity 7 is arranged in the male core body 1, male pins 8 are arranged in the plug-in cavity 7, two male pins 8 are arranged, and the male pins 8 are fixedly connected with the male core body 1;

the female needle end 12 is arranged on one side of the female core body 10, the female needle end 12 and the female core body 10 are arranged into an integrated structure, female holes 13 are arranged in the female needle end 12, two female holes 13 are arranged, the female holes 13 are arranged corresponding to the male needle 8, the longitudinal sections of the two female holes 13 are arranged in a trapezoid shape, and the diameters of the female holes 13 are gradually reduced from outside to inside;

the end covers 2 are arranged on one side of the male core body 1 and the female core body 10, one end cover 2 is provided with wiring holes 15, and two wiring holes 15 are arranged.

When in use, the utility model is characterized in that: the female needle end 12 is inserted in the alignment insertion cavity 7, the male needle 8 is inserted in the female hole 13 while the female needle end 12 is inserted, the longitudinal section of the female hole 13 is in a trapezoid shape, the male needle 8 is connected with the female needle end 12 more and more tightly along with the increase of the insertion depth, the loose connection and falling are effectively avoided, and the connection effect of the male core 1 and the female core 10 can be ensured.

Referring to fig. 3 and 5, a first sealing ring 11 is disposed at one end of the female core 10, and the first sealing ring 11 is disposed outside the female needle end 12, the first sealing ring 11 and the female core 10 are connected into an integrated structure, and a gap between the male core 1 and the female core 10 can be filled by the first sealing ring 11, so as to ensure the connection tightness of the male core 1 and the female core 10.

Referring to fig. 1 and 3, trapezoid clamping blocks 4 are respectively arranged on the outer walls of the male core 1 and the female core 10, the trapezoid clamping blocks 4 are fixedly connected with the male core 1 and the female core 10, clamping grooves 3 are formed in the end covers 2, the clamping grooves 3 are correspondingly arranged with the trapezoid clamping blocks 4, the end covers 2 are clamped with the trapezoid clamping blocks 4, second sealing rings 17 are arranged in the end covers 2, the second sealing rings 17 are connected with the end covers 2 into an integral structure, the second sealing rings 17 are attached to the male core 1 and the female core 10, connection between the end covers 2 and the male core 1 and the female core 10 is achieved through the clamping grooves 3 and the trapezoid clamping blocks 4, wiring operation is facilitated by taking down the end covers 2 in a clamping mode, and the sealing performance of connection between the end covers 2 and the male core 1 and the female core 10 is guaranteed by the second sealing rings 17.

Referring to fig. 2 and 4, a heat shrinkage sleeve 16 is disposed in the wiring hole 15, one end of the heat shrinkage sleeve 16 is fixedly connected with the end cover 2, a reserved groove 5 is disposed at one end of the end cover 2, the reserved groove 5 is disposed between the two wiring holes 15, and the cable is shrink-wrapped after being heated by the heat shrinkage sleeve 16, so that the tightness of connection between the cable and the end cover 2 can be ensured, and water can be prevented from entering the male core 1 or the female core 10 along the cable.

Referring to fig. 1 and 3, a guide member 9 is disposed between two male needles 8, the guide member 9 is fixedly connected with the male core 1, the guide member 9 is disposed at the central position of the insertion cavity 7, a guide groove 14 is disposed on the female needle end 12, the guide groove 14 is disposed corresponding to the guide member 9, and the guide member 9 and the guide groove 14 can play a role in guiding and limiting the inserted female needle end 12, so that the female needle end 12 is stably inserted into the insertion cavity 7, and the male needles 8 can be prevented from being damaged by oblique insertion.

Referring to fig. 1 and 3, anti-slip grooves 6 are formed at the upper end and the lower end of the male core 1 and the female core 10, the anti-slip grooves 6 and the male core 1 and the female core 10 are punched into an integral structure, friction force between the hand-held male core 1 and the female core 10 is increased through the anti-slip grooves 6, and the male core 1 and the female core 10 can be better pulled out and plugged.

Working principle: the female needle end 12 is inserted in the alignment insertion cavity 7, the male needle 8 is also inserted in the alignment female hole 13 while the female needle end 12 is inserted, the longitudinal section of the female hole 13 is in a trapezoid shape, the connection between the male needle 8 and the female needle end 12 is tighter and tighter along with the increase of the insertion depth of the male needle 8, the loose connection and the falling off are effectively avoided, the connection effect of the male core 1 and the female core 10 can be ensured, and the connection tightness of the male core 1 and the female core 10 can be ensured by the first sealing ring 11 being attached to the male core 1; the end cover 2 and the male core body 1 and the female core body 10 adopt a clamping mode to conveniently take down the end cover 2 for wiring operation, after wiring is finished, the heat shrinkage sleeve 16 is heated, the heated heat shrinkage sleeve 16 shrinks and wraps the cable, water can be prevented from entering the interior of the male core body 1 or the female core body 10 along the cable, and the protection effect on the male core body 1 and the female core body 10 can be achieved.

What is not described in detail in this specification is prior art known to those skilled in the art.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a 2 needle axial core, includes public core (1) and female core (10), its characterized in that:

the plug-in cavity (7) is arranged in the male core body (1), the male needles (8) are arranged in the plug-in cavity (7), two male needles (8) are arranged, and the male needles (8) are fixedly connected with the male core body (1);

the female needle end (12) is arranged on one side of the female core body (10), the female needle end (12) and the female core body (10) are arranged into an integrated structure, female holes (13) are formed in the female needle end (12), two female holes (13) are formed, the female holes (13) are arranged corresponding to the male needles (8), the longitudinal sections of the two female holes (13) are arranged in a trapezoid shape, and the diameters of the female holes (13) are gradually reduced from outside to inside;

the end covers (2) are arranged on one sides of the male core body (1) and the female core body (10), one end cover (2) is provided with wiring holes (15), and two wiring holes (15) are formed.

2. A 2-pin axial core as defined in claim 1, wherein: one end of the female core body (10) is provided with a first sealing ring (11), the first sealing ring (11) is arranged outside the female needle end (12), and the first sealing ring (11) and the female core body (10) are connected into an integrated structure.

3. A 2-pin axial core as defined in claim 1, wherein: the novel plastic composite material is characterized in that trapezoidal clamping blocks (4) are arranged on the outer walls of the male core body (1) and the female core body (10), the trapezoidal clamping blocks (4) are fixedly connected with the male core body (1) and the female core body (10), clamping grooves (3) are formed in the end cover (2), the clamping grooves (3) are correspondingly formed in the trapezoidal clamping blocks (4), the end cover (2) is clamped with the trapezoidal clamping blocks (4), a second sealing ring (17) is arranged in the end cover (2), the second sealing ring (17) is connected with the end cover (2) into an integral structure, and the second sealing ring (17) is attached to the male core body (1) and the female core body (10).

4. A 2-pin axial core as defined in claim 1, wherein: the inside of wiring hole (15) is provided with pyrocondensation cover (16), and the one end and the end cover (2) fixed connection of pyrocondensation cover (16), the one end of end cover (2) is provided with reservation groove (5), and reservation groove (5) set up between two wiring holes (15).

5. A 2-pin axial core as defined in claim 1, wherein: a guide piece (9) is arranged between the two male needles (8), the guide piece (9) is fixedly connected with the male core body (1), the guide piece (9) is arranged at the central position of the inserting cavity (7), a guide groove (14) is formed in the female needle end (12), and the guide groove (14) is correspondingly arranged with the guide piece (9).

6. A 2-pin axial core as defined in claim 1, wherein: the anti-slip structure is characterized in that anti-slip grooves (6) are formed in the upper end and the lower end of the male core body (1) and the lower end of the female core body (10), and the anti-slip grooves (6) and the male core body (1) and the female core body (10) are integrally stamped.