CN220934528U - Connector housing assembly, connector and connector assembly - Google Patents

Abstract

The utility model discloses a connector housing assembly, a connector and a connector assembly. The connector housing assembly includes: a housing formed with a mounting hole for mounting the terminal extending in a longitudinal direction thereof and a slot extending in a thickness direction thereof; and the safety piece is inserted into the slot of the shell. A resilient latch is formed on one lateral side of the housing and is adapted to move between a locked position engaging a slot on the mating housing and an unlocked position disengaging from the slot on the mating housing. When the safety member is inserted into the slot on the housing, the safety member abuts against the elastic lock catch to prevent the elastic lock catch from moving toward the unlocking position, so that the elastic lock catch is held in the locking position. In the utility model, the safety member moves along the thickness direction of the connector housing, so that the longitudinal dimension of the connector housing is not increased, and the miniaturization of the connector is facilitated.

Description

Connector housing assembly, connector and connector assembly

Technical Field

The present utility model relates to a connector housing assembly, a connector including the connector housing assembly, and a connector assembly including the connector.

Background

In the prior art, a resilient latch is formed on one lateral side of the housing of the connector for engaging a catch on the mating housing of the mating connector to lock the housing and the mating housing in the mated state. The resilient catch is movable between a locked position engaging a catch on the counter housing and an unlocked position disengaged from the catch on the counter housing. To prevent the resilient latch from being accidentally unlocked, a safety member is typically mounted on the housing of the connector for holding the resilient latch in the locked position to prevent the resilient latch from being accidentally unlocked.

In the related art, a mounting hole for mounting a terminal and a slot for mounting a fuse extending in a longitudinal direction thereof are formed in a housing of a connector in the longitudinal direction thereof. The safety member is able to move in the slot in the longitudinal direction of the housing, which results in a larger longitudinal dimension of the connector housing, which is disadvantageous for miniaturization of the connector.

Disclosure of utility model

The present utility model is directed to solving at least one of the above-mentioned problems and disadvantages of the prior art.

According to one aspect of the present utility model, a connector housing assembly is provided. The connector housing assembly includes: a housing formed with a mounting hole for mounting the terminal extending in a longitudinal direction thereof and a slot extending in a thickness direction thereof; and the safety piece is inserted into the slot of the shell. A resilient latch is formed on one lateral side of the housing and is adapted to move between a locked position engaging a slot on the mating housing and an unlocked position disengaging from the slot on the mating housing. When the safety member is inserted into the slot on the housing, the safety member abuts against the elastic lock catch to prevent the elastic lock catch from moving toward the unlocking position, so that the elastic lock catch is held in the locking position.

According to an exemplary embodiment of the utility model, the securing element is movably mounted in a slot of the housing, being movable between a pre-loaded position and a final lock position; when the safety member is in the pre-installed position, the safety member does not interfere with the elastic lock catch to allow the elastic lock catch to be moved to the unlocking position; when the safety piece is in the final locking position, the safety piece abuts against the elastic lock catch so as to prevent the elastic lock catch from being moved to the unlocking position.

According to another exemplary embodiment of the present utility model, the elastic latch includes: a resilient arm extending longitudinally of the housing; a protrusion formed on the elastic arm; and a pressing portion connected to the elastic arm. The protruding part of the elastic lock catch is used for being engaged with the clamping groove on the matching shell, and the pressing part is used for driving the elastic arm to move towards the unlocking direction.

According to another exemplary embodiment of the present utility model, the securing member does not interfere with the pressing portion when the securing member is in the pre-installation position, so that the elastic arm can be driven to move toward the unlocking direction by pressing the pressing portion; when the safety member is in the final locking position, the safety member abuts against the pressing portion so that the elastic arm cannot move toward the unlocking direction, thereby holding the elastic lock catch in the locking position.

According to another exemplary embodiment of the present utility model, the fuse includes: a base plate portion perpendicular to a longitudinal direction of the housing and having a first end and a second end opposite to each other in a thickness direction of the housing; and a cover plate portion perpendicular to a thickness direction of the housing and connected to a first end of the base plate portion. When the safety piece is in the final locking position, the cover plate part covers the insertion opening of the slot and abuts against the pressing part of the elastic lock catch.

According to another exemplary embodiment of the present utility model, the fuse further comprises: a cantilever portion connected to the second end of the base portion and extending toward the first end of the base portion; and a first protrusion convexly formed on one side of the cantilever portion. A second protrusion is formed on an inner sidewall of the slot of the housing. When the securing member is in the final lock position, a first projection on the securing member engages a second projection on the housing to retain the securing member in the final lock position.

According to another exemplary embodiment of the present utility model, the slot on the housing includes: the first slot part corresponds to the base plate part of the safety piece and is used for inserting the base plate part; and a second slot part corresponding to the cantilever part and the first protrusion of the safety part and used for inserting the cantilever part and the first protrusion. The first slot portion and the second slot portion communicate with each other, and the second protrusion is formed on one inner sidewall of the second slot portion.

According to another exemplary embodiment of the present utility model, when the housing is mated with the mating housing and the securing member is in the pre-load position, the securing member is clamped between the housing and the mating housing to retain the securing member in the pre-load position.

According to another exemplary embodiment of the present utility model, the housing is adapted to be inserted into the counter housing via a top opening of the counter housing; when the shell is matched with the matched shell and the safety piece is in the preassembly position, the edge part of the top opening of the matched shell abuts against the cantilever part of the safety piece, and the inner wall surface of the slot of the shell abuts against the base plate part of the safety piece, so that the safety piece is clamped between the shell and the matched shell.

According to another exemplary embodiment of the present utility model, when the housing is mated with the mating housing and the securing member is in the pre-load position, the cantilever portion of the securing member is moved toward the base plate portion under the urging of the edge portion of the top opening of the mating housing such that the first protrusion on the cantilever portion is moved to a position that does not interfere with the second protrusion within the slot to allow the securing member to be inserted from the pre-load position to the final lock position.

According to another exemplary embodiment of the present utility model, when the housing is mated with the mating housing and the securing member is inserted into the final lock position, the cantilever portion of the securing member is disengaged from the edge portion of the top opening of the mating housing and elastically restored to the initial position such that the first protrusion on the cantilever portion is moved to a position of engagement with the second protrusion in the socket.

According to another exemplary embodiment of the present utility model, when the housing is aligned with the counterpart housing, the pressing portion on the elastic latch is located outside the counterpart housing so that the pressing portion can be externally operated.

According to another exemplary embodiment of the present utility model, when the housing is mated with the mating housing and the securing member is inserted into the final lock position, an outer side of the cover plate portion of the securing member is flush with an outer side of the mating housing.

According to another exemplary embodiment of the present utility model, the insertion groove penetrates the housing in a thickness direction of the housing, the mounting hole penetrates the housing in a longitudinal direction of the housing, and the insertion groove is spaced apart from the mounting hole by a predetermined distance in a lateral direction of the housing.

According to another aspect of the present utility model, a connector is provided. The connector includes: a connector housing assembly; and a terminal inserted in a mounting hole on the housing.

According to another exemplary embodiment of the present utility model, the connector further includes: and one end of the cable is inserted into the mounting hole of the shell and is electrically connected with the terminal.

According to another exemplary embodiment of the present utility model, a plurality of mounting holes are formed on the housing, the plurality of mounting holes being aligned in a lateral direction of the housing; the connector includes a plurality of terminals that are respectively inserted into a plurality of mounting holes on the housing.

According to another aspect of the present utility model, a connector assembly is provided. The connector assembly includes: a connector; and a mating connector mated with the connector. The mating connector includes: a mating housing formed with a slot for engagement with a resilient latch on the housing; and a mating terminal provided in the mating housing for mating connection with a terminal of the connector.

In the foregoing respective exemplary embodiments according to the present utility model, the fuse moves in the thickness direction of the housing in the slot of the housing, and therefore, the longitudinal dimension of the connector housing is not increased, which is advantageous in miniaturization of the connector.

Other objects and advantages of the present utility model will become apparent from the following description of the utility model with reference to the accompanying drawings, which provide a thorough understanding of the present utility model.

Drawings

FIG. 1 shows a schematic perspective view of a connector assembly according to an exemplary embodiment of the utility model, wherein the connector and counter connector are mated together and the fuse is in a pre-assembled position;

FIG. 2 shows a schematic perspective view of a connector assembly according to an exemplary embodiment of the utility model, wherein the connector and counter connector are mated together and the securing member is in a final lock position;

FIG. 3 shows an exploded schematic view of a connector assembly according to an exemplary embodiment of the utility model;

FIG. 4 shows a cross-sectional view of a connector housing assembly according to an exemplary embodiment of the utility model, wherein the fuse has not yet been inserted into the slot of the housing;

FIG. 5 shows a cross-sectional view of a connector assembly according to an exemplary embodiment of the utility model, wherein the fuse has not yet been inserted into the slot of the housing;

FIG. 6 shows a cross-sectional view of a connector assembly according to an exemplary embodiment of the utility model, wherein a fuse has been inserted into a slot of a housing;

FIG. 7 shows a plan cross-sectional view of a connector assembly according to an exemplary embodiment of the utility model, wherein the fuse has not yet been inserted into the slot of the housing;

FIG. 8 illustrates a plan cross-sectional view of a connector assembly according to an exemplary embodiment of the present utility model, wherein a fuse is inserted into a pre-load position;

fig. 9 shows a plan cross-sectional view of a connector assembly according to an exemplary embodiment of the utility model, wherein the fuse is inserted into a final lock position.

Detailed Description

The technical scheme of the utility model is further specifically described below through examples and with reference to the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components. The following description of embodiments of the present utility model with reference to the accompanying 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 present 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 the drawings in order to simplify the drawings.

According to one general technical concept of the present utility model, a connector housing assembly is provided. The connector housing assembly includes: a housing formed with a mounting hole for mounting the terminal extending in a longitudinal direction thereof and a slot extending in a thickness direction thereof; and the safety piece is inserted into the slot of the shell. A resilient latch is formed on one lateral side of the housing and is adapted to move between a locked position engaging a slot on the mating housing and an unlocked position disengaging from the slot on the mating housing. When the safety member is inserted into the slot on the housing, the safety member abuts against the elastic lock catch to prevent the elastic lock catch from moving toward the unlocking position, so that the elastic lock catch is held in the locking position.

According to another general technical concept of the present utility model, a connector is provided. The connector includes: a connector housing assembly; and a terminal inserted in a mounting hole on the housing.

According to another general technical concept of the present utility model, a connector assembly is provided. The connector assembly includes: a connector; and a mating connector mated with the connector. The mating connector includes: a mating housing formed with a slot for engagement with a resilient latch on the housing; and a mating terminal provided in the mating housing for mating connection with a terminal of the connector.

Fig. 1 shows a schematic perspective view of a connector assembly according to an exemplary embodiment of the utility model, wherein a connector 1 and a counter connector 2 are counter-mated together and a fuse 3 is in a pre-assembled position; fig. 2 shows a schematic perspective view of a connector assembly according to an exemplary embodiment of the utility model, wherein the connector 1 and the counter connector 2 are mated together and the securing member 3 is in a final lock position; fig. 3 shows an exploded schematic view of a connector assembly according to an exemplary embodiment of the utility model.

As shown in fig. 1-3, in one exemplary embodiment of the present utility model, a connector housing assembly is disclosed. The connector housing assembly includes: a housing 10 and a securing element 3. A mounting hole 12 for mounting a terminal (not shown) and a slot 13 for mounting the fuse 3, which extend in the thickness direction Z thereof, are formed in the housing 10 along the longitudinal direction Y thereof. The securing element 3 is inserted into a slot 13 of the housing 10.

As shown in fig. 1 to 3, in the illustrated embodiment, a resilient latch 11 is formed at one lateral side of the housing 10, the resilient latch 11 being adapted to move between a locked position engaging with a catch 21 on the counter housing 20 and an unlocked position separated from the catch 21 on the counter housing 20. As shown in fig. 3, when the securing member 3 is inserted into the slot 13 on the housing 10, the securing member 3 abuts against the elastic lock catch 11 to prevent the elastic lock catch 11 from moving toward the unlocking position, so that the elastic lock catch 11 is held in the locking position. In this way, the elastic shackle 11 can be reliably prevented from being accidentally unlocked.

Fig. 4 shows a cross-sectional view of a connector housing assembly according to an exemplary embodiment of the utility model, wherein the securing member 3 has not yet been inserted into the slot 13 of the housing 10; fig. 5 shows a cross-sectional view of a connector assembly according to an exemplary embodiment of the utility model, wherein the securing member 3 has not yet been inserted into the slot 13 of the housing 10; fig. 6 shows a cross-sectional view of a connector assembly according to an exemplary embodiment of the utility model, wherein the securing member 3 has been inserted into the slot 13 of the housing 10; fig. 7 shows a plan cross-sectional view of a connector assembly according to an exemplary embodiment of the utility model, wherein the securing member 3 has not yet been inserted into the slot 13 of the housing 10; fig. 8 shows a plan cross-sectional view of a connector assembly according to an exemplary embodiment of the utility model, wherein the fuse element 3 is inserted into a pre-assembled position; fig. 9 shows a plan cross-sectional view of a connector assembly according to an exemplary embodiment of the utility model, wherein the securing member 3 is inserted into a final lock position.

As shown in fig. 1 to 9, in the illustrated embodiment the securing member 3 is movably mounted in a slot 13 of the housing 10, movable between a pre-load position and a final lock position. When the securing member 3 is in the pre-loaded position, the securing member 3 does not interfere with the resilient catch 11 to allow the resilient catch 11 to be moved to the unlocked position. When the securing element 3 is in the final locking position, the securing element 3 abuts against the resilient catch 11 to prevent the resilient catch 11 from being moved to the unlocking position.

As shown in fig. 1 to 9, in the illustrated embodiment, the elastic lock catch 11 includes: an elastic arm 110, a boss 111, and a pressing portion 112. The elastic arm 110 extends in the longitudinal direction Y of the housing 10. A boss 111 is formed on the elastic arm 110. The pressing portion 112 is connected to the elastic arm 110. The protruding portion 111 of the elastic latch 11 is configured to engage with the locking groove 21 on the mating housing 20, and the pressing portion 112 is configured to drive the elastic arm 110 to move in the unlocking direction.

As shown in fig. 1 to 9, in the illustrated embodiment, when the securing member 3 is in the pre-installation position, the securing member 3 does not interfere with the pressing portion 112, so that the elastic arm 110 can be driven to move toward the unlocking direction by pressing the pressing portion 112. When the securing member 3 is in the final lock position, the securing member 3 abuts against the pressing portion 112 so that the elastic arm 110 cannot move toward the unlocking direction, thereby holding the elastic shackle 11 in the lock position.

As shown in fig. 1 to 9, in the illustrated embodiment, the securing member 3 includes: a base plate portion 31 and a cover plate portion 30. The substrate portion 31 is perpendicular to the longitudinal direction Y of the housing 10 and has a first end and a second end opposite in the thickness direction Z of the housing 10. The cover plate portion 30 is perpendicular to the thickness direction Z of the case 10 and is connected to a first end of the base plate portion 31. When the securing element 3 is in the final locking position, the cover part 30 covers the insertion opening of the slot 13 and abuts against the pressing part 112 of the elastic catch 11.

As shown in fig. 1 to 9, in the illustrated embodiment, the securing member 3 further includes: cantilever portion 32 and first protrusion 33. The cantilever portion 32 is connected to the second end of the base portion 31 and extends toward the first end of the base portion 31. The first protrusion 33 is convexly formed on one side of the cantilever portion 32. A second protrusion 133 is formed on an inner sidewall of the slot 13 of the housing 10. When the securing member 3 is in the final lock position, the first projection 33 on the securing member 3 engages the second projection 133 on the housing 10 to retain the securing member 3 in the final lock position.

As shown in fig. 1 to 9, in the illustrated embodiment, the slot 13 on the housing 10 includes: a first slot portion 131 and a second slot portion 132. The first slot portion 131 corresponds to the base plate portion 31 of the fuse 3, and is used for inserting the base plate portion 31. The second socket portion 132 corresponds to the cantilever portion 32 and the first protrusion 33 of the fuse 3, for inserting the cantilever portion 32 and the first protrusion 33. The first and second socket parts 131 and 132 communicate with each other, and the second protrusion 133 is formed on one inner sidewall of the second socket part 132.

As shown in fig. 1-9, in the illustrated embodiment, when the housing 10 is mated with the mating housing 20 and the securing member 3 is in the pre-assembled position, the securing member 3 is clamped between the housing 10 and the mating housing 20 to retain the securing member 3 in the pre-assembled position.

As shown in fig. 1-9, in the illustrated embodiment, the housing 10 is adapted to be inserted into the mating housing 20 via a top opening 201 of the mating housing 20. When the housing 10 is mated with the mating housing 20 and the fuse 3 is in the pre-mounted position, the edge portion 22 of the top opening 201 of the mating housing 20 abuts against the cantilever portion 32 of the fuse 3, and the inner wall surface of the slot 13 of the housing 10 abuts against the base plate portion 31 of the fuse 3, so that the fuse 3 is sandwiched between the housing 10 and the mating housing 20.

As shown in fig. 1 to 9, in the illustrated embodiment, when the housing 10 is mated with the mating housing 20 and the securing member 3 is in the pre-loaded position, the cantilever portion 32 of the securing member 3 is moved toward the base plate portion 31 under the urging of the edge portion 22 of the top opening 201 of the mating housing 20 such that the first projection 33 on the cantilever portion 32 is moved to a position that does not interfere with the second projection 133 within the slot 13 to allow the securing member 3 to be inserted from the pre-loaded position to the final lock position.

As shown in fig. 1 to 9, in the illustrated embodiment, when the housing 10 is mated with the mating housing 20 and the securing member 3 is inserted into the final lock position, the cantilever portion 32 of the securing member 3 is disengaged from the edge portion 22 of the top opening 201 of the mating housing 20 and elastically restored to the original position, so that the first projection 33 on the cantilever portion 32 is moved to a position engaged with the second projection 133 in the slot 13.

As shown in fig. 1 to 9, in the illustrated embodiment, when the housing 10 is aligned with the counterpart housing 20, the pressing portion 112 on the elastic locker 11 is located outside the counterpart housing 20, so that the pressing portion 112 can be externally operated, which is very convenient.

As shown in fig. 1 to 9, in the illustrated embodiment, when the housing 10 is paired with the paired housing 20 and the securing member 3 is inserted into the final lock position, the outer side face of the cover plate portion 30 of the securing member 3 is flush with the outer side face of the paired housing 20.

As shown in fig. 1 to 9, in the illustrated embodiment, the insertion slot 13 penetrates the housing 10 in the thickness direction Z of the housing 10, the mounting hole 12 penetrates the housing 10 in the longitudinal direction Y of the housing 10, and the insertion slot 13 is spaced apart from the mounting hole 12 by a predetermined distance in the lateral direction X of the housing 10.

As shown in fig. 1 to 9, in another exemplary embodiment of the present utility model, a connector 1 is also disclosed. The connector includes: the connector housing assembly and terminals (not shown). The terminals are inserted into mounting holes 12 on the housing 10.

As shown in fig. 1 to 9, in the illustrated embodiment, the connector further includes a cable 14, and one end of the cable 14 is inserted into the mounting hole 12 of the housing 10 and electrically connected with the terminal.

As shown in fig. 1 to 9, in the illustrated embodiment, a plurality of mounting holes 12 are formed in the housing 10, the plurality of mounting holes 12 being aligned in a lateral direction X of the housing 10. The connector 1 includes a plurality of terminals that are inserted into the plurality of mounting holes 12 on the housing 10, respectively, and a plurality of cables 14 that are electrically connected to the plurality of terminals, respectively.

In another exemplary embodiment of the present utility model, as shown in fig. 1-9, a connector assembly is also disclosed. The connector assembly includes: a connector 1 and a counter connector 2. The mating connector 2 is mated with the connector 1. The mating connector includes: a mating housing 20 and a mating terminal (not shown). The mating housing 20 is formed with a card slot 21 that engages the resilient catch 11 on the housing 10. The mating terminals are provided in the mating housing 20 for mating connection with the terminals of the connector 1.

It will be appreciated by those skilled in the art that the above-described embodiments are exemplary and that modifications may be made to the embodiments described in various embodiments without structural or conceptual aspects and that these variations may be resorted to without departing from the scope of the utility model.

Although the present utility model has been described with reference to the accompanying drawings, the examples disclosed in the drawings are intended to illustrate preferred embodiments of the utility model and are not to 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 that the word "a" or "an" does not exclude a plurality. In addition, any element numbers of the claims should not be construed as limiting the scope of the utility model.

Claims (18)

1. A connector housing assembly, comprising:

A housing (10) formed with a mounting hole (12) for mounting a terminal extending in a longitudinal direction (Y) thereof and a slot (13) extending in a thickness direction (Z) thereof;

A safety member (3) inserted into a slot (13) of the housing (10),

A resilient catch (11) is formed on one lateral side of the housing (10), the resilient catch (11) being adapted to move between a locking position engaging a catch groove (21) on the counter housing (20) and an unlocking position separated from the catch groove (21) on the counter housing (20),

When the securing element (3) is inserted into a slot (13) in the housing (10), the securing element (3) abuts against the elastic catch (11) to prevent the elastic catch (11) from moving towards the unlocking position, so that the elastic catch (11) is held in the locking position.

2. The connector housing assembly of claim 1, wherein:

The securing element (3) is movably mounted in a slot (13) of the housing (10) and can be moved between a pre-installation position and a final locking position;

When the safety element (3) is in the pre-assembled position, the safety element (3) does not interfere with the elastic lock catch (11) to allow the elastic lock catch (11) to be moved to the unlocking position;

When the safety element (3) is in the final locking position, the safety element (3) abuts against the elastic catch (11) to prevent the elastic catch (11) from being moved to the unlocking position.

3. The connector housing assembly of claim 2, wherein:

The elastic lock catch (11) comprises:

-a resilient arm (110) extending in a longitudinal direction (Y) of the housing (10);

a boss (111) formed on the elastic arm (110); and

A pressing part (112) connected to the elastic arm (110),

The protruding part (111) of the elastic lock catch (11) is used for being engaged with the clamping groove (21) on the matching shell (20), and the pressing part (112) is used for driving the elastic arm (110) to move towards the unlocking direction.

4. A connector housing assembly according to claim 3, wherein:

When the safety member (3) is at the pre-installation position, the safety member (3) does not interfere with the pressing part (112) so that the elastic arm (110) can be driven to move towards the unlocking direction by pressing the pressing part (112);

When the securing element (3) is in the final locking position, the securing element (3) is held against the pressing portion (112) such that the elastic arm (110) cannot move in the unlocking direction, thereby holding the elastic catch (11) in the locking position.

5. The connector housing assembly of claim 4, wherein:

The safety element (3) comprises:

A base plate portion (31) perpendicular to the longitudinal direction (Y) of the housing (10) and having a first end and a second end opposite to each other in the thickness direction (Z) of the housing (10); and

A cover plate portion (30) perpendicular to the thickness direction (Z) of the housing (10) and connected to a first end of the base plate portion (31),

When the securing element (3) is in the final locking position, the cover part (30) covers the insertion opening of the insertion slot (13) and rests against the pressing part (112) of the elastic catch (11).

6. The connector housing assembly of claim 5, wherein:

the safety element (3) further comprises:

A cantilever portion (32) connected to the second end of the base plate portion (31) and extending toward the first end of the base plate portion (31); and

A first protrusion (33) convexly formed on one side of the cantilever part (32), a second protrusion (133) formed on an inner side wall of the slot (13) of the housing (10), the first protrusion (33) on the securing member (3) being engaged with the second protrusion (133) on the housing (10) to hold the securing member (3) in the final locking position when the securing member (3) is in the final locking position.

7. The connector housing assembly of claim 6, wherein:

The slot (13) on the housing (10) comprises:

A first slot part (131) corresponding to a base plate part (31) of the safety element (3) and used for inserting the base plate part (31); and

And a second slot portion (132) corresponding to the cantilever portion (32) and the first protrusion (33) of the fuse (3) for inserting the cantilever portion (32) and the first protrusion (33), the first slot portion (131) and the second slot portion (132) being in communication with each other, and the second protrusion (133) being formed on one inner sidewall of the second slot portion (132).

8. The connector housing assembly of claim 7, wherein:

When the housing (10) is mated with the mating housing (20) and the securing member (3) is in the pre-assembled position, the securing member (3) is clamped between the housing (10) and the mating housing (20) to retain the securing member (3) in the pre-assembled position.

9. The connector housing assembly of claim 8, wherein:

The housing (10) is adapted to be inserted into the counter housing (20) via a top opening (201) of the counter housing (20);

When the shell (10) is matched with the matched shell (20) and the safety piece (3) is in the preassembly position, the edge part (22) of the top opening (201) of the matched shell (20) is abutted against the cantilever part (32) of the safety piece (3), and the inner wall surface of the slot (13) of the shell (10) is abutted against the base plate part (31) of the safety piece (3), so that the safety piece (3) is clamped between the shell (10) and the matched shell (20).

10. The connector housing assembly of claim 9, wherein:

When the housing (10) is mated with the mating housing (20) and the fuse (3) is in the pre-assembled position, the cantilever portion (32) of the fuse (3) is moved toward the base plate portion (31) under the urging of the edge portion (22) of the top opening (201) of the mating housing (20) such that the first protrusion (33) on the cantilever portion (32) is moved to a position that does not interfere with the second protrusion (133) in the slot (13) to allow the fuse (3) to be inserted from the pre-assembled position to the final lock position.

11. The connector housing assembly of claim 10, wherein:

When the housing (10) is mated with the mating housing (20) and the securing member (3) is inserted into the final lock position, the cantilever portion (32) of the securing member (3) is disengaged from the edge portion (22) of the top opening (201) of the mating housing (20) and elastically restored to an initial position, so that the first protrusion (33) on the cantilever portion (32) is moved to a position engaged with the second protrusion (133) in the slot (13).

12. The connector housing assembly of claim 9, wherein:

When the housing (10) is aligned with the mating housing (20), a pressing portion (112) on the elastic lock catch (11) is located outside the mating housing (20) so that the pressing portion (112) can be externally operated.

13. The connector housing assembly of claim 5, wherein:

When the housing (10) is mated with the mating housing (20) and the securing member (3) is inserted into the final lock position, an outer side surface of a cover plate portion (30) of the securing member (3) is flush with an outer side surface of the mating housing (20).

14. The connector housing assembly of claim 1, wherein:

The insertion slot (13) penetrates the housing (10) in a thickness direction (Z) of the housing (10), the mounting hole (12) penetrates the housing (10) in a longitudinal direction (Y) of the housing (10), and the insertion slot (13) is spaced apart from the mounting hole (12) by a predetermined distance in a lateral direction (X) of the housing (10).

15. A connector, comprising:

the connector housing assembly of any one of claims 1-14; and

The terminal is inserted into a mounting hole (12) on the housing (10).

16. The connector of claim 15, further comprising:

And a cable (14) having one end inserted into the mounting hole (12) of the housing (10) and electrically connected to the terminal.

17. The connector of claim 15, wherein:

-forming a plurality of mounting holes (12) on the housing (10), the plurality of mounting holes (12) being aligned in a transversal direction (X) of the housing (10);

the connector (1) includes a plurality of terminals that are respectively inserted into a plurality of mounting holes (12) on the housing (10).

18. A connector assembly, comprising:

The connector (1) of any one of claims 15-17; and

A mating connector (2) mated with the connector (1),

The mating connector includes:

A mating housing (20) having a slot (21) formed therein for engagement with the resilient latch (11) on the housing (10); and

And a mating terminal provided in the mating housing (20) for mating connection with a terminal of the connector (1).