CN217009778U - Terminal locking piece, connector housing assembly and connector assembly - Google Patents
Terminal locking piece, connector housing assembly and connector assembly Download PDFInfo
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- CN217009778U CN217009778U CN202220330616.5U CN202220330616U CN217009778U CN 217009778 U CN217009778 U CN 217009778U CN 202220330616 U CN202220330616 U CN 202220330616U CN 217009778 U CN217009778 U CN 217009778U
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Abstract
The utility model discloses a terminal locking piece, a connector shell assembly and a connector assembly. The terminal locking member includes: a substrate having a front side and a back side opposite in a first direction; and a locking portion protrudingly formed at a bottom of the base plate, the locking portion being adapted to be inserted into the connector housing via an insertion hole on the connector housing to lock a terminal of the connector in the connector housing, an insertion groove allowing a mating insertion plate on a mating housing of a mating connector to be inserted being formed on the base plate. When the terminal locking member is mounted on the connector housing, the insertion groove extends rearward beyond the insertion holes, so that adjacent two insertion holes on the connector housing can be separated by the inserted mating insertion plate to increase a creepage distance between the adjacent two insertion holes.
Description
Technical Field
The present invention relates to a terminal locking member, a connector housing assembly including the terminal locking member, a connector including the connector housing assembly and a connector assembly including the connector.
Background
In the prior art, a connector generally includes a housing, a terminal, and a terminal locking member. The terminals are mounted in terminal slots of the housing and the terminal locking member is mounted on the housing. A mating insertion groove which is matched with a mating insertion plate on a mating shell of a mating connector and an insertion hole which is matched with a locking part on a terminal locking piece are formed on the shell. The locking portion on the terminal locking member is inserted into the terminal insertion slot via the insertion hole on the housing to lock the terminal in the terminal insertion slot. In the prior art, both sides of the insertion hole on the housing communicate with the mating insertion groove, which reduces the creepage distance between the adjacent two terminals. In order to ensure a sufficient creepage distance between two adjacent terminals, the distance between two adjacent terminals can only be increased, which may result in an oversized connector.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to solve at least one of the above problems and disadvantages in the prior art.
According to one aspect of the present invention, a terminal lock is provided that is adapted to be mounted on a connector housing. The terminal locking piece includes: a substrate having a front side and a back side opposite in a first direction; and a locking portion protrudingly formed at a bottom of the base plate, the locking portion being adapted to be inserted into the connector housing via an insertion hole on the connector housing to lock a terminal of the connector in the connector housing, an insertion groove allowing a mating insertion plate on a mating housing of a mating connector to be inserted being formed on the base plate. When the terminal locking piece is mounted on the connector housing, the insertion groove extends backward beyond the insertion holes, so that two adjacent insertion holes on the connector housing can be separated by the inserted mating insertion plate to increase the creepage distance between the two adjacent insertion holes.
According to an exemplary embodiment of the utility model, the terminal lock further comprises: an elastic catch formed on the substrate and adapted to engage with a catch groove on the connector housing to lock the terminal locking piece on the connector housing.
According to another exemplary embodiment of the present invention, the base plate further has left and right sides opposite in a second direction perpendicular to the first direction, and the elastic snaps are formed at the left and right sides of the base plate, respectively.
According to another exemplary embodiment of the present invention, the terminal locking member is movable between a pre-load position and a final-lock position relative to the connector housing; when the terminal locking member is in the pre-load position, the locking portion is in a position out of interference with the terminal to allow the terminal to be inserted into or withdrawn from the connector housing; the locking portion is adapted to abut against the terminal when the terminal locking member is in the final locking position to prevent the terminal from being pulled out of the connector housing.
According to another exemplary embodiment of the utility model, the resilient catch comprises: a flexible cantilever connected to the substrate and extending a predetermined length in a third direction perpendicular to the substrate; a first projection formed on a side surface of the resilient cantilever arm adapted to engage the card slot for retaining the terminal locking member in the pre-load position; and a second projection formed on a side surface of the elastic cantilever and adapted to engage with the card slot for holding the terminal locking piece in the final locking position.
According to another exemplary embodiment of the present invention, the first protrusion and the second protrusion are bar-shaped protrusions extending in the first direction, and the first protrusion is closer to a free end of the elastic cantilever than the second protrusion in the third direction.
According to another exemplary embodiment of the present invention, a positioning hole for fitting with a positioning protrusion on the connector housing is formed on the substrate.
According to another exemplary embodiment of the present invention, a raised positioning rib is formed on the bottom surface of the base plate for mating with a positioning slot hole on the connector housing.
According to another exemplary embodiment of the present invention, a positioning rib for fitting with a positioning groove on the connector housing is formed on the bottom surface of the base plate, and the positioning rib extends from the lock portion toward the rear side of the base plate in the first direction.
According to another exemplary embodiment of the present invention, the terminal lock is a separately molded integral piece.
According to another aspect of the present invention, there is provided a connector housing assembly including: a connector housing having a plurality of terminal insertion grooves for inserting terminals; and the terminal locking piece is installed on the connector shell and used for locking the terminal in the terminal slot, a matching slot matched with a matching plug board matched with the matching plug board on the matching shell and a jack inserted in a locking part allowing the terminal locking piece are formed on the connector shell, the matching slot and the slot on the terminal locking piece extend backwards to exceed the jack, so that two adjacent jacks can be separated by the inserted matching plug board to increase the creepage distance between the two adjacent jacks.
According to another exemplary embodiment of the present invention, the connector housing includes a main housing having a front side and a rear side opposite in a first direction; the mating slot is formed on the main shell and extends from the front side of the main shell to the back side of the main shell along the first direction by a preset length; the terminal insertion groove is formed in the main housing and penetrates the main housing in the first direction.
According to another exemplary embodiment of the present invention, the front side portion of the main housing is partitioned into a plurality of plug portions by the mating insertion groove, the plurality of terminal insertion grooves respectively penetrate the plurality of plug portions, and the insertion holes are formed on a top wall of the plug portion and communicate with the terminal insertion grooves to allow the latching portions to be inserted into the terminal insertion grooves through the insertion holes.
According to another exemplary embodiment of the present invention, at least one side wall of the plug portion extends continuously from a bottom wall of the plug portion to a top wall of the plug portion such that at least one side of the insertion hole is not communicated with the mating insertion groove.
According to another exemplary embodiment of the present invention, the plurality of plug portions are aligned in the second direction of the main housing; the side walls of the outer sides of two plug parts at the outermost sides of the plurality of plug parts are respectively provided with a clamping groove used for being connected with the elastic clamping of the terminal locking part; the side wall of the inner side of the outermost plug part of the plurality of plug parts continuously extends from the bottom wall to the top wall, so that the jack on the outermost plug part is not communicated with the mating slot.
According to another exemplary embodiment of the present invention, both side walls of any one of the plug portions other than the outermost two of the plug portions extend continuously from the bottom wall to the top wall, so that both sides of the insertion hole on any one of the other plug portions are not communicated with the mating insertion groove.
According to another exemplary embodiment of the present invention, a positioning projection for fitting with a positioning hole on the terminal locking piece is formed on a top surface of the rear side portion of the main housing; and/or positioning slotted holes are formed on the top surface of the rear side part of the main shell, and the positioning slotted holes are suitable for being matched with the positioning ribs on the terminal locking pieces.
According to another exemplary embodiment of the present invention, a positioning groove is formed on the top surface of the main housing for cooperating with a positioning rib on the terminal locking member; the positioning groove extends to the insertion hole along the first direction.
According to another exemplary embodiment of the present invention, the mating slot on the connector housing and the slot on the terminal locking member extend back to the same termination position.
According to another aspect of the present invention, there is provided a connector assembly comprising: a connector and a mating connector. The connector includes: a connector housing assembly; and a terminal installed in the terminal insertion groove of the connector housing. The butt-joint connector comprises a butt-joint shell and a butt-joint terminal, and a butt-joint inserting plate is arranged on the butt-joint shell. When the mating connector is mated with the connector, the mating plug board is inserted into the mating slot on the connector shell and the slot on the terminal locking piece in an extending mode and extends backwards to exceed the jacks, so that two adjacent jacks can be separated by the mating plug board to increase the creepage distance between the two adjacent jacks.
In each of the foregoing exemplary embodiments according to the present invention, adjacent two insertion holes on the connector housing are separated by the inserted mating insertion plate, thereby increasing a creepage distance between the adjacent two insertion holes.
In some of the foregoing exemplary embodiments according to the present invention, at least one side of the insertion hole on the connector housing, which is engaged with the locking portion of the terminal locking piece, is not communicated with the mating insertion groove, which increases a creepage distance between two adjacent insertion holes, which facilitates miniaturization of the connector housing.
Other objects and advantages of the present invention will become apparent from the following description of the utility model which refers to the accompanying drawings, and will assist in a comprehensive understanding of the utility model.
Drawings
FIG. 1 shows an assembled schematic view of a connector housing assembly according to an example embodiment of the utility model;
FIG. 2 shows an exploded schematic view of a connector housing assembly according to an example embodiment of the utility model;
FIG. 3 shows a schematic perspective view of a connector housing according to an example embodiment of the utility model;
fig. 4 shows a schematic perspective view of a terminal lock according to an exemplary embodiment of the utility model;
FIG. 5 illustrates a second directional cross-sectional view of a connector housing assembly in accordance with an exemplary embodiment of the utility model;
FIG. 6 shows a second directional cross-sectional view of a connector housing according to an example embodiment of the utility model;
FIG. 7 shows a first cross-sectional view of a connector housing assembly according to an example embodiment of the utility model;
fig. 8 shows a schematic view of a mating connector according to an example embodiment of the utility model.
Detailed Description
The technical scheme of the utility model is further specifically described by the following embodiments and the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components. The following description of the embodiments of the utility model with reference to the drawings is intended to illustrate the general inventive concept and should not be taken as limiting the utility model.
Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in schematic form in order to simplify the drawing.
According to one general aspect of the present invention, a terminal locking member is provided that is adapted to be mounted on a connector housing. The terminal locking piece includes: a substrate having a front side and a back side opposite in a first direction; and a locking portion protrudingly formed at a bottom of the base plate, the locking portion being adapted to be inserted into the connector housing via an insertion hole on the connector housing to lock a terminal of the connector in the connector housing, an insertion groove allowing a mating insertion plate on a mating housing of a mating connector to be inserted being formed on the base plate. When the terminal locking piece is mounted on the connector housing, the insertion groove extends backward beyond the insertion holes, so that two adjacent insertion holes on the connector housing can be separated by the inserted mating insertion plate to increase the creepage distance between the two adjacent insertion holes.
According to another general technical concept of the present invention, there is provided a connector housing assembly including: a connector housing having a plurality of terminal insertion grooves for inserting terminals; and the terminal locking piece is installed on the connector shell and used for locking the terminal in the terminal slot, a matching slot matched with a matching plug board matched with the matching plug board on the matching shell and a jack inserted in a locking part allowing the terminal locking piece are formed on the connector shell, the matching slot and the slot on the terminal locking piece extend backwards to exceed the jack, so that two adjacent jacks can be separated by the inserted matching plug board to increase the creepage distance between the two adjacent jacks.
According to another general technical concept of the present invention, there is provided a connector assembly including: a connector and a mating connector. The connector includes: a connector housing assembly; and a terminal installed in the terminal insertion groove of the connector housing. The butt-joint connector comprises a butt-joint shell and a butt-joint terminal, and a butt-joint inserting plate is arranged on the butt-joint shell. When the mating connector is mated with the connector, the mating insertion plate extends into the mating slot on the connector shell and the slot on the terminal locking part and extends backwards to exceed the insertion holes, so that two adjacent insertion holes can be separated by the mating insertion plate to increase the creepage distance between the two adjacent insertion holes.
FIG. 1 shows an assembled schematic view of a connector housing assembly according to an example embodiment of the utility model; fig. 2 shows an exploded schematic view of a connector housing assembly according to an example embodiment of the utility model.
As shown in fig. 1 and 2, in the illustrated embodiment, the connector housing assembly mainly includes a connector housing 10 and a terminal locking piece 20. The terminal locking piece 20 is mounted on the connector housing 10 for locking a terminal (not shown) of the connector in the terminal insertion groove 110.
Fig. 3 shows a schematic perspective view of a connector housing 10 according to an exemplary embodiment of the present invention; fig. 4 shows a schematic perspective view of the terminal lock 20 according to an exemplary embodiment of the present invention.
As shown in fig. 1 to 4, in one exemplary embodiment of the present invention, a terminal lock member 20 is disclosed, the terminal lock member 20 including: a base plate 21 and a locking portion 22. The substrate 21 has a front side and a rear side opposite in the first direction Y. A locking portion 22 is protrudingly formed at the bottom of the base plate 21 and adapted to be inserted into the connector housing 10 via the insertion hole 12 on the connector housing 10 to lock the terminal of the connector. A slot 212 allowing insertion of a mating insertion plate 31 (see fig. 8) on a mating housing of a mating connector is formed on the base plate 21. When the terminal locking member 20 is mounted on the connector housing 10, the insertion groove 212 on the terminal locking member 20 extends rearward from the front side of the base plate 21 beyond the locking portion 22 and the insertion hole 12, so that adjacent two insertion holes 12 on the connector housing 10 can be separated by the inserted mating insertion plate 31 to increase the creepage distance between the adjacent two insertion holes 12.
As shown in fig. 1 to 4, in the illustrated embodiment, the connector housing 10 includes a main housing 11. The main housing 11 has front and rear sides opposite in the first direction Y thereof. A mating insertion groove 112 is formed on the main housing 11, and the mating insertion groove 112 extends from the front side of the main housing 11 to the rear side by a predetermined length in the first direction Y for mating with a mating insertion plate 31 on a mating housing (not shown) of a mating connector.
As shown in fig. 1 to 4, in the illustrated embodiment, a plurality of terminal insertion grooves 110 are formed on the main housing 11. The plurality of terminal insertion grooves 110 penetrate the main housing 11 in the first direction Y for inserting the plurality of terminals, respectively. When the mating insert plate 31 on the mating housing is inserted into the mating insertion groove 112, the adjacent terminals are spaced apart by the mating insert plate 31 to increase a creepage distance between the adjacent terminals.
FIG. 5 illustrates a second directional cross-sectional view of a connector housing assembly in accordance with an exemplary embodiment of the utility model; fig. 6 shows a second directional cross-sectional view of the connector housing 10 according to an exemplary embodiment of the present invention; fig. 7 shows a first direction cross-sectional view of a connector housing assembly according to an example embodiment of the utility model.
As shown in fig. 1 to 7, in the illustrated embodiment, the front side portion of the main housing 11 is partitioned into a plurality of plug portions 111 by the mating socket 110. The plurality of terminal insertion grooves 110 penetrate the plurality of plug portions 111, respectively, and an insertion hole 12 is formed on a top wall 110a of the plug portion 111, the insertion hole 12 communicating with the terminal insertion groove 110 to allow the latching portion 22 of the terminal locking piece 20 to be inserted into the terminal insertion groove 110 through the insertion hole 12.
As shown in fig. 1 to 7, in the illustrated embodiment, at least one side wall 110b of the plug portion 111 continuously extends from the bottom wall 110c of the plug portion 111 to the top wall 110a of the plug portion 111 such that at least one side of the receptacle 12 is not communicated with the counterpart slot 112 to increase a creepage distance between two adjacent receptacles 12.
As shown in fig. 1 to 7, in the illustrated embodiment, the plurality of plug portions 111 are aligned in the second direction X of the main housing 11. The outer side walls 110b of the two outermost plug parts 111 among the plurality of plug parts 111 are respectively formed with card slots 13 for engagement with the elastic catches 23 of the terminal locking member 20. The side wall 110b of the inner side of the outermost plug part 111 of the plurality of plug parts 111 extends continuously from the bottom wall 110c to the top wall 110a so that the insertion hole 12 on the outermost plug part 111 is not communicated with the mating insertion groove 112.
As shown in fig. 1 to 7, in the illustrated embodiment, both side walls 110b of any other plug portion 111 than the outermost two plug portions 111 of the plurality of plug portions 111 continuously extend from the bottom wall 110c to the top wall 110a, so that both sides of the insertion hole 12 on any other plug portion 111 are not communicated with the mating insertion groove 112.
However, the present invention is not limited to the illustrated embodiment, for example, in another exemplary embodiment of the present invention, one side wall 110b of any one of the other plug portions 111 except for the outermost two plug portions 111 among the plurality of plug portions 111 continuously extends from the bottom wall 110c to the top wall 110a such that one side of the insertion hole 12 on any one of the other plug portions 111 is not communicated with the mating insertion groove 112; and the other side wall 110b of any one of the plug portions 111 other than the outermost two plug portions 111 of the plurality of plug portions 111 is formed with an opening so that the other side of the insertion hole 12 on any one of the other plug portions 111 communicates with the mating insertion groove 112.
As shown in fig. 1 to 7, in the illustrated embodiment, a plurality of positioning grooves 16 are formed on the top surface of the main housing 11, and the plurality of positioning grooves 16 are adapted to be respectively engaged with a plurality of positioning ribs 26 on the terminal locking member 20. In the illustrated embodiment, the positioning slot 16 extends all the way to the receptacle 12 in the first direction Y.
As shown in fig. 1 to 7, in the illustrated embodiment, a positioning projection 14 is formed on the top surface of the rear side portion of the main housing 11, and the positioning projection 14 is used to engage with a positioning hole 24 on the terminal locking piece 20.
As shown in fig. 1 to 7, in the illustrated embodiment, a positioning slot hole 15 is further formed in the top surface of the rear side portion of the main housing 11, and the positioning slot hole 15 is adapted to engage with a positioning rib 25 on the terminal lock member 20.
As shown in fig. 1-7, in the illustrated embodiment, the connector housing 10 is a one-piece molded part, which may be, for example, a one-piece injection molded part.
As shown in fig. 1 to 7, in the illustrated embodiment, the terminal locking member 20 includes: a base plate 21 and a locking portion 22. The base plate 21 has front and rear sides opposite in the first direction Y and left and right sides opposite in the second direction X. The lock portion 22 is formed on the front side of the base plate 21 and projects in a third direction Z perpendicular to the second direction X and the first direction Y. The locking portion 22 is inserted into the terminal insertion groove 110 via the insertion hole 12 of the main housing 11 for abutting on the terminal to prevent the terminal from being pulled out from the terminal insertion groove 110.
As shown in fig. 1 to 7, in the illustrated embodiment, the front side of the substrate 21 is divided into a plurality of teeth 211 by slots 212. The locking portion 22 is formed convexly on the bottom surface of the toothed portion 211. The mating insert plate 31 on the mating housing is inserted into the mating slot 112 of the connector housing 10 and the slot 212 of the terminal locking piece 20 at the same time.
As shown in fig. 1 to 7, in the illustrated embodiment, the mating slots 112 of the connector housing 10 and the slots 212 of the terminal locking pieces 20 extend rearward to a position beyond the jacks 12, so that adjacent two jacks 12 can be separated by the inserted mating insertion plate 31 to increase a creepage distance between adjacent two jacks 12. In the illustrated embodiment, the mating slot 112 of the connector housing 10 and the slot 212 of the terminal locking piece 20 extend rearward to the same termination position, but the present invention is not limited to the illustrated embodiment, and for example, the mating slot 112 of the connector housing 10 and the slot 212 of the terminal locking piece 20 may extend rearward to different termination positions.
As shown in fig. 1-7, in the illustrated embodiment, the terminal lock 20 further includes a pair of resilient snaps 23. A pair of elastic catches 23 are formed on the left and right sides of the base plate 21, respectively. The resilient catch 23 engages with the catch groove 13 on the main housing 11 to retain the terminal locking member 20 on the main housing 11.
As shown in fig. 1-7, in the illustrated embodiment, the terminal locking member 20 is movable relative to the main housing 11 between a pre-load position and a final-lock position. When the terminal locking member 20 is in the pre-load position (not shown), the locking portion 22 is in a non-interfering position with the terminals to allow insertion or removal of the terminals. When the terminal locking member 20 is in the final locking position (the position shown in fig. 1, 5 and 7), the locking portion 22 is adapted to abut against the terminal to prevent the terminal from being pulled out.
As shown in fig. 1 to 7, in the illustrated embodiment, the elastic catch 23 includes: a resilient cantilever 230, a first protrusion 231 and a second protrusion 232. The elastic cantilever 230 is connected to the substrate 21 and extends a predetermined length in the third direction Z with respect to the substrate 21. A first projection 231 is formed on the side of the resilient cantilever 230 and is adapted to engage the card slot 13 for holding the terminal locking member 20 in the pre-load position. Second projections 232 are formed on the sides of the resilient cantilever arms 230 and adapted to engage with the card slots 13 for holding the terminal locking member 20 in the final locking position.
As shown in fig. 1 to 7, in the illustrated embodiment, when the first projection 231 is engaged with the card slot 13, the terminal locking member 20 is held in the pre-load position; when second projection 232 is engaged with card slot 13, terminal locking member 20 is held in the final locking position.
As shown in fig. 1 to 7, in the illustrated embodiment, the first protrusion 231 and the second protrusion 232 are bar-shaped protrusions extending along the first direction Y, and the first protrusion 231 is closer to the free end of the elastic cantilever 230 than the second protrusion 232 is in the third direction Z.
As shown in fig. 1-7, in the illustrated embodiment, the terminal locking member 20 further includes a plurality of positioning ribs 26. A plurality of positioning ribs 26 are formed on the bottom surface of the base plate 21 for respectively engaging with the plurality of positioning grooves 16 on the main casing 11. The positioning rib 26 extends from the rear side of the base plate 21 to the locking portion 22 in the first direction Y.
As shown in fig. 1 to 7, in the illustrated embodiment, the terminal locking piece 20 further includes positioning holes 24, and the positioning holes 24 are formed on the base plate 21 for cooperating with the positioning projections 14 on the main housing 11.
As shown in fig. 1 to 7, in the illustrated embodiment, the terminal locking piece 20 further includes a positioning rib 25, and the positioning rib 25 is formed on the bottom surface of the base plate 21 for engaging with the positioning slot hole 15 on the main housing 11.
As shown in fig. 1-7, in the illustrated embodiment, the terminal locking member 20 is a one-piece molded part, for example, the terminal locking member 20 may be a one-piece injection molded part.
As shown in fig. 1 to 7, in the illustrated embodiment, the terminal locking piece 20 is a separate component from the connector housing 10. However, the present invention is not limited to the illustrated embodiment, and the terminal locking member 20 may be a part of the connector housing 10, for example, the terminal locking member 20 may be integrally formed to the top wall of the main housing 11. At this time, the whole connector housing assembly is an integrally formed part.
As shown in fig. 1 to 7, in an exemplary embodiment of the present invention, there is also disclosed a connector including: a terminal and the aforementioned connector housing assembly or the aforementioned connector housing 10. The terminals are mounted in the terminal insertion grooves 110 of the main housing 11.
As shown in fig. 1 to 8, in an exemplary embodiment of the present invention, there is also disclosed a connector assembly including a connector and a mating connector 3 adapted for mating of the connector. The connector includes a connector housing assembly and terminals, which are mounted in the terminal insertion grooves 110 of the connector housing 10. The mating connector 3 includes a mating housing 30 and a mating terminal, and a mating insertion plate 31 is provided on the mating housing 30. When the mating connector 3 is mated with the connector, the mating insertion plate 31 extends into the mating insertion groove 112 on the connector housing 10 and the insertion groove 212 on the terminal locking member 20 and extends rearward beyond the insertion holes 12, so that adjacent two insertion holes 12 can be separated by the mating insertion plate to increase the creepage distance between adjacent two insertion holes 12.
It will be appreciated by those skilled in the art that the above described embodiments are exemplary and can be modified by those skilled in the art, and that the structures described in the various embodiments can be freely combined without structural or conceptual conflicts, and that such modifications are intended to fall within the scope of the present invention.
Although the present invention has been described in connection with the accompanying drawings, the embodiments disclosed in the drawings are intended to be illustrative of preferred embodiments of the present invention and should not be construed as limiting the utility model.
Although a few embodiments of the present general inventive concept have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.
It should be noted that the word "comprising" does not exclude other elements or steps, and the words "a" or "an" do not exclude a plurality. Furthermore, any reference signs in the claims shall not be construed as limiting the scope of the utility model.
Claims (20)
1. A terminal lock member adapted to be mounted on a connector housing, the terminal lock member comprising:
a substrate having a front side and a back side opposite in a first direction; and
a locking part convexly formed at the bottom of the substrate,
the locking portion is adapted to be inserted into the connector housing via an insertion hole on the connector housing to lock a terminal of a connector in the connector housing,
a slot allowing a mating insertion plate on a mating housing of a mating connector to be inserted is formed on the substrate,
when the terminal locking piece is mounted on the connector housing, the insertion groove extends backward beyond the insertion holes, so that two adjacent insertion holes on the connector housing can be separated by the inserted mating insertion plate to increase the creepage distance between the two adjacent insertion holes.
2. A terminal lock according to claim 1, further comprising:
an elastic snap formed on the substrate and adapted to engage with a catch groove on the connector housing to lock the terminal locking piece on the connector housing.
3. A terminal lock according to claim 2, wherein:
the base plate is also provided with a left side and a right side which are opposite in a second direction perpendicular to the first direction, and the elastic buckles are respectively formed on the left side and the right side of the base plate.
4. A terminal lock according to claim 2, wherein:
the terminal locking member being movable relative to the connector housing between a pre-load position and a final-lock position;
when the terminal locking member is in the pre-load position, the locking portion is in a position out of interference with the terminal to allow the terminal to be inserted into or withdrawn from the connector housing;
the locking portion is adapted to abut against the terminal when the terminal locking member is in the final locking position to prevent the terminal from being pulled out of the connector housing.
5. A terminal lock according to claim 4, wherein:
the elasticity buckle includes:
an elastic cantilever connected to the substrate and extending a predetermined length in a third direction perpendicular to the substrate;
a first projection formed on a side surface of the resilient cantilever arm adapted to engage the card slot for retaining the terminal locking member in the pre-load position; and
a second projection formed on a side of the resilient cantilever arm adapted to engage the card slot for retaining the terminal locking member in the final locking position.
6. A terminal lock according to claim 5, wherein:
the first protrusion and the second protrusion are strip-shaped protrusions extending along the first direction, and the first protrusion is closer to the free end of the elastic cantilever than the second protrusion in the third direction.
7. A terminal lock according to claim 1, wherein:
and a positioning hole is formed on the substrate and is used for being matched with the positioning bulge on the connector shell.
8. A terminal lock according to claim 1, wherein:
and a raised positioning rib is formed on the bottom surface of the substrate and is used for matching with a positioning groove hole on the connector shell.
9. A terminal lock according to any one of claims 1-8, wherein:
a positioning rib is formed on the bottom surface of the base plate, the positioning rib is used for matching with a positioning groove on the connector shell, and the positioning rib extends from the locking part to the rear side of the base plate along the first direction.
10. A terminal lock according to any one of claims 1-8, wherein: the terminal locking member is a separately formed integral piece.
11. A connector housing assembly, comprising:
a connector housing having a plurality of terminal insertion grooves for inserting terminals; and
the terminal lock of any one of claims 1-10 mounted on the connector housing for locking the terminal in the terminal insertion slot,
a mating insertion groove for mating with a mating insertion plate on a mating housing and an insertion hole allowing insertion of the lock portion of the terminal lock piece are formed on the connector housing,
the mating slots and the slots on the terminal locking member extend rearwardly beyond the receptacles so that two adjacent receptacles can be separated by an inserted mating insertion plate to increase a creepage distance between the two adjacent receptacles.
12. The connector housing assembly of claim 11, wherein:
the connector housing includes a main housing having front and rear sides opposite in a first direction;
the mating slot is formed on the main shell and extends from the front side of the main shell to the back side of the main shell along the first direction by a preset length;
the terminal insertion groove is formed in the main housing and penetrates the main housing in the first direction.
13. The connector housing assembly of claim 12, wherein:
the front side portion of the main housing is partitioned into a plurality of plug portions by the mating insertion grooves, the plurality of terminal insertion grooves penetrate the plurality of plug portions, respectively, and the insertion holes are formed on a top wall of the plug portion and communicate with the terminal insertion grooves to allow the locking portions to be inserted into the terminal insertion grooves through the insertion holes.
14. The connector housing assembly of claim 13, wherein:
at least one side wall of the plug portion extends continuously from a bottom wall of the plug portion to a top wall of the plug portion such that at least one side of the receptacle is not in communication with the mating socket.
15. The connector housing assembly of claim 14, wherein:
the plurality of plug portions are aligned in a second direction of the main housing;
the side walls of the outer sides of two outermost plug parts in the plurality of plug parts are respectively provided with a clamping groove used for being in elastic buckling connection with the terminal locking part;
the side wall of the inner side of the outermost plug part in the plurality of plug parts continuously extends from the bottom wall to the top wall, so that the jack on the outermost plug part is not communicated with the matching slot.
16. The connector housing assembly of claim 15, wherein:
two side walls of any other plug part except for the outermost two plug parts of the plurality of plug parts continuously extend from the bottom wall to the top wall, so that two sides of the jack on any other plug part are not communicated with the corresponding slot.
17. The connector housing assembly of claim 12, wherein:
a positioning bulge is formed on the top surface of the rear side part of the main shell and used for being matched with a positioning hole in the terminal locking piece; and/or
A positioning slot hole is formed on the top surface of the rear side of the main housing, and the positioning slot hole is suitable for being matched with the positioning rib on the terminal locking piece.
18. The connector housing assembly of any one of claims 12-17, wherein:
a positioning groove is formed on the top surface of the main shell and is used for being matched with a positioning rib on the terminal locking piece;
the positioning groove extends to the insertion hole along the first direction.
19. The connector housing assembly of any of claims 11-17, wherein:
the mating slots on the connector housing and the slots on the terminal locking members extend rearwardly to the same termination location.
20. A connector assembly, comprising:
a connector, comprising:
the connector housing assembly of any one of claims 11-19; and
a terminal mounted in a terminal insertion groove of the connector housing; and
the mating connector comprises a mating shell and a mating terminal, wherein a mating inserting plate is arranged on the mating shell,
when the mating connector is mated with the connector, the mating insertion plate extends into the mating slot on the connector shell and the slot on the terminal locking part and extends backwards to exceed the insertion holes, so that two adjacent insertion holes can be separated by the mating insertion plate to increase the creepage distance between the two adjacent insertion holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220330616.5U CN217009778U (en) | 2022-02-18 | 2022-02-18 | Terminal locking piece, connector housing assembly and connector assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220330616.5U CN217009778U (en) | 2022-02-18 | 2022-02-18 | Terminal locking piece, connector housing assembly and connector assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217009778U true CN217009778U (en) | 2022-07-19 |
Family
ID=82392846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220330616.5U Active CN217009778U (en) | 2022-02-18 | 2022-02-18 | Terminal locking piece, connector housing assembly and connector assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217009778U (en) |
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2022
- 2022-02-18 CN CN202220330616.5U patent/CN217009778U/en active Active
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