CN207320402U - Electric connector and its electric connector housing - Google Patents

Abstract

A kind of electric connector and connector shell are provided.Connector includes：Including：Housing, equipped with receiving channel, is provided with least one first stop part of receiving channel protrusion on the inner wall of receiving channel；And connection terminal, connection terminal by being inserted into receiving channel and in receiving channel in an insertion direction, connection terminal is equipped with least one first protuberance, and the first protuberance is combined to prevent connection terminal from exiting receiving channel with the first stop part positioned at the downstream of direction of insertion.Each first stop part includes：There is gap between the roof of deformable part, deformable part and receiving channel；And connecting portion, it is configured at least side in the both sides in direction of insertion of deformable part being connected to roof.When the relevant portion of connection terminal crosses the first protuberance, extruding force of first protuberance to the relevant portion of connection terminal can be reduced.

Description

Electrical connector and its electrical connector housing

technical field

The utility model relates to an electric connector, in particular to an electric connector and a connector housing suitable for connecting wires.

Background technique

In household electrical appliances, in order to facilitate the electrical connection of two wires, usually the two wires are respectively connected to a plug connector and a socket connector. The electrical connection of the two wires is realized through mutual cooperation between the plug connector and the socket connector.

Existing plug connectors and socket connectors both include a housing and connection terminals installed in the housing. For the convenience of operation, the connecting terminal is generally inserted into the housing, and a plurality of holders are provided in the housing to hold the connecting terminal in the housing and prevent the connecting terminal from being removed from the housing. The retainer may be an elastic cantilever or a protrusion provided in the housing, but such an elastic cantilever is not strong enough to break easily, and the protrusion will increase the difficulty of installing the connection terminal.

Utility model content

The utility model provides an electric connector and a connector shell, which can easily install a connecting terminal into the shell, and at the same time, reliably prevent the connecting terminal from being removed from the shell.

According to an embodiment of an aspect of the present invention, an electrical connector is provided, comprising: a housing provided with a receiving channel, and at least one first blocking portion protruding toward the receiving channel is provided on an inner wall of the receiving channel; and a connecting terminal installed in the receiving channel by being inserted into the receiving channel in an insertion direction, the connecting terminal is provided with at least one first protruding part, the first protruding part is connected to the A downstream side of the first blocking portion in the insertion direction engages to prevent the connection terminal from exiting the accommodating passage. Each of the first blocking parts includes: a deformable part with a gap between the deformable part and the top wall of the accommodating passage; and a connecting part configured to connect the deformable part to the At least one of the two sides in the direction is connected to the top wall.

According to an embodiment of the electrical connector of the present invention, the connecting portion is configured to connect one of the two sides of the deformable portion in the insertion direction to the top wall, so that the The first stopper has a substantially L-shape in cross section viewed on the upstream side of the insertion direction.

According to an embodiment of the electrical connector of the present invention, the lower surface of the connecting portion of the deformable portion located between the upstream side of the insertion direction and the top wall of the accommodating channel is inclined.

According to an embodiment of the electrical connector of the present invention, the end portion of the housing on the downstream side in the insertion direction has a left-right symmetrical structure.

According to an embodiment of the electrical connector of the present invention, an inwardly protruding flange is provided at the end of the accommodating channel on the downstream side of the insertion direction, and at least two flanges are provided on the upper flange. Symmetrically arranged openings.

According to an electrical connector according to an embodiment of the present invention, the connection terminal includes: a main body extending in the insertion direction; and at least one bent portion extending from both sides of the main body along the insertion direction At least one of the sides is formed bent toward the upper portion of the main body portion, and a tip of the bent portion is spaced from the upper surface of the main body portion to receive a mating terminal of a mating connector. The first protruding portion is formed at one end of the bent portion on an upstream side in the insertion direction.

According to an embodiment of the electrical connector of the present invention, the connecting terminal further includes a wire connecting portion extending upward from both sides of the main body on the upstream side of the bending portion to clamp the cable to be connected. wire part.

According to an embodiment of the electrical connector of the present invention, a plurality of protrusions are arranged on the inner side of the wire connecting portion.

According to an electrical connector according to an embodiment of the present invention, the connection terminal further includes a cable connection portion extending upward from both sides of the main body on the upstream side of the wire connection portion to clamp the cable part of the protective layer.

According to an electrical connector according to an embodiment of the present invention, the part of the accommodation channel on the upstream side is configured to be able to accommodate the wire connection part and the cable connection part.

According to an embodiment of the electrical connector of the present invention, a first through hole is provided on the upstream side of the main body part located at the bending part, and a second through hole is provided on the bottom wall of the housing , the first through hole and the second through hole are aligned with the deformable portion.

According to an embodiment of the electrical connector of the present invention, a second blocking portion is provided at a portion of the main body portion between the bending portion and the wire connecting portion to prevent further insertion of the wire of the cable.

According to an embodiment of another aspect of the present invention, an electrical connector housing is provided, comprising: an accommodating channel, suitable for accommodating a connecting terminal inserted in the insertion direction, the inner wall of the accommodating channel is provided with a At least one first blocking portion protruding from the channel, the first blocking portion is configured to prevent the connecting terminal from exiting the receiving channel. Each of the first blocking parts includes: a deformable part with a gap between the deformable part and the top wall of the accommodating passage; and a connecting part configured to connect the deformable part to the At least one of the two sides in the direction is connected to the top wall.

According to the electrical connector and the connector housing described in the above various embodiments of the present invention, since there is a gap between the deformable part of the first blocking part and the top wall of the housing, the relevant part of the connecting terminal goes beyond the second When there is a protruding part, the pressing force of the first protruding part on the relevant part of the connection terminal can be reduced; in addition, since the connecting part connects the side part of the deformable part to the top wall, the strength of the first blocking part can be improved to avoid The first blocking portion breaks.

Description of drawings

The utility model will be further described in detail with reference to the accompanying drawings, wherein:

FIG. 1 is a schematic perspective view showing two side-by-side electrical connectors according to an exemplary embodiment of the present invention;

FIG. 2 is a schematic perspective view showing a housing of an electrical connector shown in FIG. 1;

Fig. 3 is a longitudinal sectional view showing an electrical connector shown in Fig. 1;

Figure 4 is a longitudinal sectional view showing the housing shown in Figure 2;

FIG. 5 is another longitudinal sectional view showing the housing shown in FIG. 2; and

FIG. 6 is a plan view showing connection terminals of the electrical connector shown in FIG. 3 .

Detailed ways

Although the utility model will be fully described with reference to the accompanying drawings that contain preferred embodiments of the utility model, it should be understood that those of ordinary skill in the art can modify the utility model described herein while obtaining the advantages of the utility model. technical effect. Therefore, it should be understood that the above description is a broad disclosure for those skilled in the art, and its content is not intended to limit the exemplary embodiments described in the present invention.

According to the general inventive concept of the present utility model, an electrical connector is provided, including: a housing and a connecting terminal. The casing is provided with a receiving channel, and at least one first blocking portion protruding toward the receiving channel is provided on the inner wall of the receiving channel. The connecting terminal is installed in the receiving channel by being inserted into the receiving channel in the insertion direction, the connecting terminal is provided with at least one first protruding part, and the first protruding part and the first blocking part are located A downstream side of the insertion direction engages to prevent the connection terminal from exiting the accommodating passage. Each of the first blocking parts includes a deformable part and a connecting part. There is a gap between the deformable part and the top wall of the receiving channel; the connection part is configured to connect at least one of two sides of the deformable part in the insertion direction to the top wall.

Fig. 1 is a schematic perspective view showing two electrical connectors placed side by side according to an exemplary embodiment of the present invention; Fig. 2 is a schematic perspective view showing a housing of an electrical connector shown in Fig. 1; Fig. 3 is a longitudinal sectional view showing an electrical connector shown in Fig. 1; Fig. 4 is a longitudinal sectional view showing the housing shown in Fig. 2; Fig. 5 is another view showing the housing shown in Fig. 2 A longitudinal sectional view; FIG. 6 is a top view showing the connecting terminals of the electrical connector shown in FIG. 3 .

As shown in FIGS. 1-6 , the electrical connector according to the exemplary embodiment of the present invention is suitable for a receptacle connector 100 for connecting cables. Generally, a cable includes a wire and a protective layer covering the wire. The electrical connector 100 of the embodiment of the present invention includes: a housing 1 made of, for example, plastic material, and a connecting terminal 2 made of, for example, copper or stainless steel. The casing 1 is provided with a receiving channel 13 , and at least one first blocking portion 10 protruding toward the receiving channel 13 is provided on the inner wall of the receiving channel 13 . The connection terminal 2 is installed in the accommodating channel 13 by being inserted into the accommodating channel 13 in the insertion direction. At least one first protruding portion 21 is provided on the connecting terminal 2 , and the first protruding portion 21 combines with the downstream side of the first blocking portion in the insertion direction to prevent the connecting terminal 2 from exiting the accommodating channel 13 . Each first blocking portion 10 includes a deformable portion 11 and a connecting portion 12 . There is a gap 14 between the deformable part 11 and the top wall 15 of the accommodating channel 13 ; the connecting part 12 is configured to connect at least one of the two sides of the deformable part 11 in the insertion direction to the top wall 15 .

In the process of installing the connection terminal 2 into the housing 1, firstly, the front end of the connection terminal 2 is inserted into the part on the upstream side of the accommodating channel 13, and when the connection terminal 2 passes through the first blocking part 10, the first blocking part 10 The deformable part 11 of the part 10 is deformed towards the top wall 15 due to the existence of the gap 14 under the extrusion of the connecting terminal 2, thereby allowing the connecting terminal 2 to pass over the first blocking part 10; after that, the first protrusion of the connecting terminal 2 After the portion 21 passes over the first blocking portion 10 , the deformable portion 11 returns to an undeformed state and abuts against the upstream side of the first protruding portion 21 , thereby preventing the connection terminal from coming out of the housing passage. Due to the existence of the gap 14, when the relevant part of the connecting terminal passes over the first protruding part, the pressing force of the first protruding part 21 on the relevant part of the connecting terminal can be reduced; The portion is connected to the top wall 15, which can improve the strength of the first blocking portion and prevent the first blocking portion from breaking.

In one embodiment, the connecting portion 12 is configured to connect one of the two sides of the deformable portion 11 in the insertion direction to the top wall 15, so that the cross-section of the first blocking portion 10 viewed from the upstream side of the insertion direction It has a roughly L-shape. That is to say, the first blocking portion 10 has a half-open and half-closed structure, which ensures the strength of the first blocking portion while reducing the pressing force on the connecting terminal, and can reduce the space occupied by the first blocking portion in the accommodating channel. space.

As shown in FIGS. 4 and 5 , the lower surface 16 of the connecting portion of the deformable portion 11 between the upstream side in the insertion direction and the top wall 15 of the accommodating channel is inclined. In this way, it is convenient to guide the connecting terminal to be inserted into the receiving channel and installed in place.

As shown in Figures 1 and 2, the end portion of the housing 1 located on the downstream side of the insertion direction has a left-right symmetrical structure, so that when the electrical connector is installed, the left-right orientation of the electrical connector can be considered, so that the electrical connector can be easily connected with the electrical connector. mating connector combination.

As shown in FIGS. 1 , 3 and 6 , the connection terminal 2 includes a main body portion 22 and at least one bent portion 23 . The main body portion 22 extends in the insertion direction of the connection terminal (the length direction of the connection terminal); There is a distance between the end of the end and the upper surface of the main body to accept the mating terminal of the mating connector, so that when the mating connector is combined with the electrical connector 100 of the embodiment of the present utility model, the mating terminal of the mating connector can be inserted into the curved Between the part 23 and the main part 21. The first protruding portion 21 is formed on an upper portion of one end of the bent portion 23 on the upstream side in the insertion direction.

It can be understood that, during the process of installing the connecting terminal 2 into the housing 1, the bent portion 23 of the connecting terminal 2 will abut against the lower surface of the first blocking portion 10 and pass over the lower surface of the first blocking portion. The deformable portion 11 of a blocking portion 10 is deformed toward the top wall 15 due to the existence of the gap 14 under the extrusion of the bending portion 23; after that, after the first protruding portion 21 of the connecting terminal 2 passes over the first blocking portion 10, The deformable portion 11 returns to an undeformed state, and abuts against the upstream side of the first protruding portion 21 , thereby preventing the connection terminal from coming out of the receiving channel of the housing.

In one embodiment, the connection terminal 2 further includes a wire connecting portion 25, which extends upward from both sides of the main body portion 22 on the upstream side of the bent portion 23, so as to clamp the wire portion of the cable to be connected, so that The connecting terminal 2 is electrically connected with the cable. Further, a plurality of protrusions 251 are provided inside the wire connecting portion 25 to increase the holding force between the wire connecting portion 25 and the wires of the cable, and ensure reliable electrical connection between the wires of the cable and the electrical connector.

In one embodiment, the connection terminal 2 further includes a cable connection portion 26, which extends upward from both sides of the main body portion 22 on the upstream side of the wire connection portion 25, so as to clamp a part of the protective layer of the cable, so that the cable Reliable mechanical connection with electrical connectors.

As shown in Figures 1-5, an inwardly protruding flange 18 is provided at the downstream end of the accommodating channel 13 in the insertion direction (the insertion end combined with the mating connector), and an inwardly protruding flange 18 is provided on the upper flange 18. At least two (for example, 2) symmetrically arranged openings 17 . The flange 18 can prevent the connecting terminal 2 from being removed from the receiving passage, and the opening 17 can reduce the pressing force of the insertion end of the receiving passage combined with the mating connector to the relevant part of the mating connector.

In one embodiment, the upstream portion 131 of the accommodation channel 13 is configured to accommodate the wire connection portion 25 and the cable connection portion 26 . As shown in FIGS. 5 and 6 , a first through hole 27 is provided on the upstream side (upper side in FIG. 6 ) of the main body portion 22 at the bent portion 23, and a second through hole is provided on the bottom wall of the housing 1. 19 , the first through hole 27 and the second through hole 19 are aligned with the deformable portion 11 . In this way, when the electrical connector 200 is not connected to a cable (for example, during transportation or sales), the connection terminal 2 can be completely accommodated in the housing 1 to reduce space and facilitate storage and transportation. When it is necessary to remove the connecting terminal 2 from the accommodating channel, use a tool such as a screwdriver to pass through the second through hole 19 and the first through hole 27 to contact the deformable part 11 of the first blocking part 10, so that the deformable part 11 is deformed toward the top wall 15 of the housing, thereby allowing the connection terminal 2 to be removed from the accommodating channel 13 of the housing 1 to further connect cables, or to remove old cables and replace them with new ones.

As shown in FIGS. 3 and 6 , a second blocking portion 28 is provided at the portion of the main body portion 22 of the connection terminal 2 between the bent portion 23 and the wire connecting portion 25 to prevent further insertion of the wire of the cable. Protrusions 24 are provided on the upper surface of the main body portion 22 of the connecting terminal 2 adjacent to the insertion end of the accommodating channel 13 for jacking up the mating terminal of the mating connector so that the mating terminal can be smoothly inserted into the bending of the connecting terminal. between the body and the body.

Referring to Figures 1-5, according to another embodiment of the present invention, an electrical connector housing 1 is provided, including: a receiving channel 13, suitable for receiving a connecting terminal 2 inserted in the insertion direction, the receiving channel At least one first blocking portion 10 protruding toward the accommodating passage 13 is provided on the inner wall of the accommodating channel 13 , and the first blocking portion 10 is configured to prevent the connecting terminal 2 from exiting the accommodating passage 13 . Each of the first blocking parts 10 includes: a deformable part 11 with a gap between the deformable part 11 and the top wall 15 of the accommodating channel 13; and a connecting part 12 configured to connect the deformable part 11 in the insertion direction At least one of the two sides on the top is connected to the top wall 15 .

According to the electrical connector and the connector housing of the above-mentioned various embodiments of the present utility model, since there is a gap between the deformable portion of the first blocking portion and the top wall of the housing, the relevant part of the connecting terminal protrudes beyond the first part, the pressing force of the first protruding part on the relevant part of the connection terminal can be reduced; in addition, since the connection part connects the side part of the deformable part to the top wall, the strength of the first blocking part can be improved, avoiding the first The barrier is broken.

Those skilled in the art can understand that the above-described embodiments are exemplary, and those skilled in the art can improve them, and the structures described in various embodiments do not conflict with each other in terms of structure or principle Under the circumstances, free combination can be carried out, so as to realize more kinds of housings and electrical connectors on the basis of solving the technical problems of the utility model.

After describing the preferred embodiments of the present utility model in detail, those skilled in the art can clearly understand that various changes and changes can be made without departing from the scope and spirit of the appended claims, and the utility model also Implementation is not limited to the exemplary embodiments set forth in the specification.

Claims (16)

1. An electrical connector, comprising: The housing is provided with a receiving channel, and the inner wall of the receiving channel is provided with at least one first blocking portion protruding toward the receiving channel; and A connecting terminal installed in the receiving channel by being inserted into the receiving channel in an insertion direction, the connecting terminal is provided with at least one first protruding part, and the first protruding part is connected to the second protruding part. a blocking portion is combined at a downstream side in the insertion direction to prevent the connection terminal from exiting the receiving passage, It is characterized in that each of the first blocking parts comprises: a deformable portion having a gap between the deformable portion and the top wall of the receiving channel; and A connecting portion configured to connect at least one of two sides of the deformable portion in the insertion direction to the top wall. 2. The electrical connector according to claim 1, wherein the connection portion is configured to connect one of the two sides of the deformable portion in the insertion direction to the top wall, A cross section of the first stopper portion viewed on the upstream side of the insertion direction is made to have a substantially L-shape. 3 . The electrical connector according to claim 2 , wherein the lower surface of the connecting portion of the deformable portion located between the upstream side of the insertion direction and the top wall of the accommodating channel is inclined. 4 . 4. The electrical connector according to claim 1, wherein the end portion of the housing on the downstream side in the insertion direction has a left-right symmetrical structure. 5. The electrical connector according to claim 4, characterized in that, an inwardly protruding flange is provided at the end of the accommodating passage located on the downstream side of the insertion direction, and a flange located at the upper part is provided with At least two symmetrically arranged openings. 6. The electrical connector according to any one of claims 1-5, wherein the connecting terminal comprises: a main body extending in the insertion direction; and At least one bent part is formed by bending from at least one of the two sides of the main body part along the insertion direction toward the upper part of the main part, and there is a distance between the end of the bent part and the upper surface of the main part , to accept the mating terminals of the mating connector, Wherein, the first protruding portion is formed at one end of the bent portion on the upstream side in the insertion direction. 7. The electrical connector according to claim 6, wherein the connection terminal further comprises a wire connecting portion extending upward from both sides of the main body on the upstream side of the bending portion to clamp the Connect the conductor portion of the cable. 8 . The electrical connector according to claim 7 , wherein a plurality of protrusions are provided on the inner side of the wire connecting portion. 9. The electrical connector according to claim 7, wherein the connecting terminal further comprises a cable connecting portion extending upward from both sides of the main body on the upstream side of the wire connecting portion to clamp part of the protective covering of the cable. 10 . The electrical connector according to claim 9 , characterized in that, the part of the accommodating channel on the upstream side is configured to be able to accommodate the wire connection part and the cable connection part. 11 . 11. The electrical connector according to claim 6, characterized in that, a first through hole is provided on the upstream side of the curved part of the main body, and a second through hole is provided on the bottom wall of the housing. Two through holes, the first through hole and the second through hole are aligned with the deformable part. 12. The electrical connector according to claim 7, wherein a second blocking portion is provided at a portion of the main body portion between the bent portion and the wire connection portion to prevent the wires of the cable from Insert further. 13. An electrical connector housing comprising: An accommodating channel, suitable for accommodating connecting terminals inserted in the insertion direction, at least one first blocking portion protruding toward the accommodating channel is provided on the inner wall of the accommodating channel, and the first blocking portion is configured to prevent the the connecting terminal exits the accommodating channel; It is characterized in that each of the first blocking parts comprises: a deformable portion having a gap between the deformable portion and the top wall of the receiving channel; and A connecting portion configured to connect at least one of two sides of the deformable portion in the insertion direction to the top wall. 14. The electrical connector housing according to claim 13, wherein the lower surface of the connection portion between the upstream side of the insertion direction of the deformable portion and the top wall of the accommodating passage is inclined set up. 15. The electrical connector housing according to claim 13, wherein the end portion of the housing on the downstream side in the insertion direction has a bilaterally symmetrical structure. 16. The electrical connector housing according to claim 15, wherein an inwardly protruding flange is provided at the end of the accommodating channel on the downstream side of the insertion direction, and the upper flange is There are at least two symmetrically arranged openings.