CN219874078U - Short-circuit-preventing male plug - Google Patents

Abstract

The utility model relates to the technical field of electrical accessories, in particular to an anti-short circuit male plug, which comprises a male plug shell, an insulating sleeve and a plurality of metal pins, wherein the insulating sleeve is arranged at one end of the male plug shell; each metal pin comprises a plug part and a wire fixing part connected with the plug part, the plug part is arranged in the male plug shell, and the wire fixing part is arranged in the insulating sleeve; the side surface of the insulating sleeve is provided with clamping grooves corresponding to each wire fixing part, and the wire fixing parts are positioned in the corresponding clamping grooves; the utility model realizes quick positioning and assembly, leads wiring to be more convenient and safer, improves wiring effect, reduces possibility of short circuit, improves connection strength of injection molding, and has good practical value.

Description

Short-circuit-preventing male plug

Technical Field

The utility model relates to the technical field of electrical accessories, in particular to a short-circuit-preventing male plug.

Background

The pin-shaped tail plug is often applied to higher-power electric appliances such as computers and battery cars, and the pin-shaped tail plug in the current market is in the production process, firstly, a hardware terminal and a pin-shaped plastic seat are spliced and combined, and then, the pin-shaped tail plug handle is injected, and because exposed copper wires are required to be connected with the hardware terminal before the pin-shaped tail plug handle is injected, the hardware terminal is easy to deform under the action of external force, copper wires in the exposed copper wires are easy to pierce out and intersect with each other, so that a short circuit phenomenon is caused, and therefore, the pin-shaped tail plug structure is required to be improved aiming at the problems.

According to the pin connector for preventing short circuit disclosed in the chinese patent publication No. CN216161980U, the pin connector includes a built-in middle sleeve, and the possibility of short circuit is reduced by the arrangement of the connecting hole of the middle sleeve, but the structure is relatively complex, the assembly is relatively difficult and the pin connector cannot be integrally formed, so that the manufacturing cost is relatively high.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide an anti-short circuit male plug.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the short circuit prevention male plug comprises a male plug shell, an insulating sleeve and a plurality of metal pins, wherein the insulating sleeve is arranged at one end of the male plug shell, the other end of the male plug shell is in an opening shape, and each metal pin vertically penetrates through the insulating sleeve and extends into the male plug shell; each metal pin comprises a plug part and a wire fixing part connected with the plug part, the plug part is arranged in the male plug shell, and the wire fixing part is arranged in the insulating sleeve; the side face of the insulating sleeve is provided with clamping grooves corresponding to the wire fixing portions, and the wire fixing portions are located in the corresponding clamping grooves.

Further, the clamping groove penetrates through the insulating sleeve, and the width of the clamping groove is larger than that of the wire fixing part.

Further, one end of the insulating sleeve, which is close to the male plug shell, is provided with at least one annular groove and at least one through groove.

Further, a plurality of grooves are formed in two side edges of the insulating sleeve.

Further, the insulating sleeve and the male plug shell are of an integral injection molding structure.

Further, the number of the metal pins is three, and the three metal pins are arranged in a delta shape.

Further, the plug-in portion of the metal pin located at the middle position is longer than the plug-in portions of the metal pins located at the two sides.

Further, an end face of the insulating sleeve, which is far away from one end of the male housing, is provided with a guide inclined surface with respect to each of the wire fixing portions.

Further, the wire fixing part and the plug-in part are integrally formed.

The utility model has the beneficial effects that: by arranging the insulating sleeve and arranging the wire fixing part of the metal pin in the insulating sleeve, the wire fixing part is not easy to deform due to the external force effect due to the protection effect of the insulating sleeve, so that short circuit faults are prevented; the exposed copper wires are mutually isolated by the insulating sleeve, so that copper wires in adjacent exposed copper wires are not mutually intersected when being penetrated out, and the short circuit fault is further prevented; the clamping groove is arranged, so that wiring is more convenient and safer, the wiring effect is improved, and the possibility of short circuit is reduced; the insulating sleeve and the male plug shell are of an integral injection molding structure, the production process is few, the manufacturing cost is low, meanwhile, the groove and the longitudinal through groove are formed in the insulating sleeve, the connection strength between the insulating sleeve and the tail plug handle of the subsequent injection molding is improved, and the insulating sleeve and the male plug shell have good practical value.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a side view of the present utility model.

Reference numerals illustrate:

1. a male housing; 2. an insulating sleeve; 3. a metal pin; 4. a plug-in part; 5. a wire fixing part; 6. a guide slope 7 and a clamping groove; 8. an annular groove; 9. a through groove; 10. a groove.

Detailed Description

The utility model will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the utility model.

As shown in fig. 1 to 2, the short circuit preventing male plug provided by the utility model comprises a male plug housing 1, an insulating sleeve 2 and a plurality of metal pins 3, wherein the insulating sleeve 2 is arranged at one end of the male plug housing 1, the other end of the male plug housing 1 is in an opening shape, and each metal pin 3 vertically penetrates through the insulating sleeve 2 and extends into the male plug housing 1; each metal pin 3 comprises a plug part 4 and a wire fixing part 5 connected with the plug part 4, the plug part 4 is arranged in the male plug shell 1, and the wire fixing part 5 is arranged in the insulating sleeve 2; the side surface of the insulating sleeve 2 is provided with clamping grooves 7 corresponding to each wire fixing part 5, and the wire fixing parts 5 are positioned in the corresponding clamping grooves 7.

During actual use, the external wire cores are respectively inserted into the wire fixing parts 5 of the corresponding metal pins 3, meanwhile, the wire fixing parts 5 of the metal pins 3 are limited by the insulating sleeve 2, the wire fixing parts 5 cannot be deformed under the action of external force to cause short circuit faults, then the wire clamping pliers are used for clamping the wire fixing parts 5 from the clamping grooves 7 to clamp wires, and finally the connection between the external wire cores and the metal pins 3 is realized.

The utility model has novel structure, realizes the limit of the wire fixing part 5 through the arrangement of the insulating sleeve 2, improves the safety and the practicability of the plug, and simultaneously, the insulating sleeve 2 is provided with the clamping groove 7, thereby being convenient for clamping and pressing the wire fixing part 5 and having ingenious design concept.

As shown in fig. 1, the clamping groove 7 is provided penetrating the insulating sleeve 2, and the width of the clamping groove 7 is larger than the width of the wire fixing portion 5, so that the wire clamping pliers can clamp the wire from any side of the insulating sleeve 2 according to the operation convenience.

As shown in fig. 1 to 2, one end of the insulating sleeve 2, which is close to the male plug housing 1, is provided with at least one annular groove 8 and at least one through groove 9, after the integral structure is molded into the finished product font male plug, the inverted font male plug is required to be molded for the second time to form a tail plug handle, the annular groove 8, the through groove 9 and the tail plug handle are fully connected into a whole, the integral structure and the tail plug handle are not easy to loosen after being molded, the integral structure has the characteristic of strong pulling resistance, and the durability of the finished product is greatly enhanced.

As shown in fig. 1, a plurality of grooves 10 are formed on two side edges of the insulating sleeve 2, and the anti-pulling performance can be further enhanced by adding a plurality of grooves 10.

As shown in fig. 1, the insulating sleeve 2 and the male housing 1 are of an integral injection molding structure, so that the process is reduced, and the production cost is reduced.

As shown in fig. 2, the number of the metal pins 3 is three, and the three metal pins 3 are arranged in a delta shape, so that the structure is attractive and the butt joint with an external female seat is convenient.

As shown in fig. 2, the plugging portion 4 of the metal pins 3 located at the middle position is longer than the plugging portions 4 of the metal pins 3 located at the two sides, firstly, in order to facilitate the butt joint with the female socket, one metal pin 3 guides the other two metal pins, and 3 metal pins do not need to be aligned at the same time, and secondly, in order to make the middle metal pins 3 realize grounding protection first.

As shown in fig. 1, the end surface of one end of the insulating sleeve 2 far away from the male plug housing 1 is provided with a guiding inclined surface 6 relative to each wire fixing part 5, and the guiding inclined surface 6 can guide all external wire cores into the pipe, so that the wire cores are prevented from being bifurcated, the yield is improved, and the safety performance of an electrical appliance is ensured.

As shown in fig. 1, the wire fixing portion 5 and the plugging portion 4 are integrally formed, and the wire fixing portion 5 and the plugging portion 4 are formed by stamping and processing a metal sheet through multiple processes, so that the metal pins 3 are firmly connected integrally and have long service life.

All technical features in the embodiment can be freely combined according to actual needs.

The foregoing embodiments are preferred embodiments of the present utility model, and in addition, the present utility model may be implemented in other ways, and any obvious substitution is within the scope of the present utility model without departing from the concept of the present utility model.

Claims (9)

1. A prevent short circuit public plug, its characterized in that: the plug-in type socket comprises a plug-in shell, an insulating sleeve and a plurality of metal pins, wherein the insulating sleeve is arranged at one end of the plug-in shell, the other end of the plug-in shell is in an opening shape, and each metal pin vertically penetrates through the insulating sleeve and extends into the plug-in shell; each metal pin comprises a plug part and a wire fixing part connected with the plug part, the plug part is arranged in the male plug shell, and the wire fixing part is arranged in the insulating sleeve; the side face of the insulating sleeve is provided with clamping grooves corresponding to the wire fixing portions, and the wire fixing portions are located in the corresponding clamping grooves.

2. The short circuit prevention male plug according to claim 1, wherein: the clamping groove penetrates through the insulating sleeve, and the width of the clamping groove is larger than that of the wire fixing part.

3. The short circuit prevention male plug according to claim 1, wherein: one end of the insulating sleeve, which is close to the male plug shell, is provided with at least one annular groove and at least one through groove.

4. The short circuit prevention male plug according to claim 1, wherein: a plurality of grooves are formed in two side edges of the insulating sleeve.

5. The short circuit prevention male plug according to claim 1, wherein: the insulating sleeve and the male plug shell are of an integral injection molding structure.

6. The short circuit prevention male plug according to claim 1, wherein: the number of the metal pins is three, and the three metal pins are arranged in a delta shape.

7. The short circuit prevention male plug according to claim 6, wherein: the plug-in parts of the metal pins positioned in the middle position are longer than the plug-in parts of the metal pins positioned at the two sides.

8. The short circuit prevention male plug according to claim 1, wherein: the end face, far away from one end of the male plug shell, of the insulating sleeve is provided with a guide inclined plane relative to each wire fixing part.

9. The short circuit prevention male plug according to claim 1, wherein: the wire fixing part and the plug-in part are integrally formed.