CN219498262U - Small connector assembly - Google Patents

Abstract

The utility model discloses a small connector assembly, which is characterized in that a first guide surface which is obliquely arranged upwards along the insertion direction of a locking piece is arranged on the bottom surface of a plug-in cavity, the locking piece moves from a first installation position to a second installation position after passing through the first guide surface, so that secondary locking of a terminal is realized, the structure is simpler, and when the locking piece is switched from the first installation position to the second installation position, the locking piece is pushed, so that the small connector assembly is simple in manufacture and high in structural reliability compared with the existing integrated structure, and is particularly suitable for being used in a small connector.

Description

Small connector assembly

Technical Field

The utility model relates to the technical field of connectors, in particular to a small connector assembly.

Background

The secondary locking structure of the terminal in the conventional automobile connector generally adopts an integral structure for locking, but when the size of the connector is small, the integral structure is difficult to manufacture, the reliability of the structure is low, and the structure is easy to damage in the process of installing the terminal, so that the need for providing a small connector assembly with a stable secondary locking structure is urgent.

Disclosure of Invention

Accordingly, the present utility model is directed to a small-sized connector assembly, which solves the problems of the conventional automobile connector that the secondary locking structure of the terminal is difficult to manufacture, the reliability of the structure is low, and the terminal is easy to damage during the process of installing.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a miniature connector assembly comprising: at least one terminal having a blocking feature thereon; a connector body having at least one cavity therein for receiving a terminal, the terminal being mounted in the cavity; a plug-in cavity communicated with the cavity is arranged in the connector main body in a penetrating manner along the direction perpendicular to the axis of the terminal; the locking piece, detachable installs in the grafting intracavity, and it has at least first mounted position and is located first mounted position top and with the second mounted position that the blocking characteristic of terminal interfered mutually in the grafting intracavity, have on the bottom surface of grafting chamber along the first guide face of the upward slope setting of the direction of inserting of locking piece, after the locking piece passes through first guide face, remove to the second mounted position by first mounted position, realize the locking to the terminal.

In a preferred embodiment, the head end of the locking element has an abutment surface which cooperates with the first guide surface and is arranged obliquely, the abutment surface abutting against the first guide surface when the locking element is in the first mounting position.

In a preferred embodiment, the first guide surface consists of at least one continuously arranged ramp or of a number of continuously arranged stepped structures.

In a preferred embodiment, a first convex rib is convexly arranged on the lower end surface of the locking piece, and a first clamping groove matched with the first convex rib is arranged on the bottom wall of the connector main body;

the tail end of the locking piece is provided with a second convex rib in a protruding mode on the upper end face, when the locking piece is located at the first installation position, the first convex rib is clamped to the first clamping groove, and the top of the second convex rib is abutted to the top face of the plug-in cavity.

In a preferred embodiment, the tail end of the locking piece is provided with a third convex rib in a protruding mode on the lower end face, the third convex rib is located behind the second convex rib, and when the locking piece is located at the second installation position, the third convex rib abuts against the bottom face of the plug-in cavity.

In a preferred embodiment, the first and third ribs are provided with a second and third guide surface, respectively, for guiding the insertion thereof into the socket.

In a preferred embodiment, the tail end of the locking member is provided with a locking key protruding on at least one side wall, the locking key being snapped into the cavity when the locking member is in the second mounting position.

In a preferred embodiment, the locking key is barb-shaped, the thickness of which decreases gradually in the direction of insertion of the locking element.

In a preferred embodiment, the terminal also has a fool-proofing feature thereon;

at least one fool-proof groove is penetrated and arranged on the upper end surface of the locking piece along the direction perpendicular to the direction of inserting the locking piece into the inserting cavity, and when the locking piece is positioned at the first installation position, the fool-proof feature of the terminal can be installed at a preset position after penetrating through the fool-proof groove.

In a preferred embodiment, the fool-proofing feature is a rib formed extending in the axial direction of the terminal.

In a preferred embodiment, the blocking feature is a groove-like structure formed by recessing inwardly on the terminal.

Compared with the prior art, the utility model has the beneficial effects that: the connector assembly provided by the utility model has the advantages that the first guide surface which is obliquely arranged upwards along the insertion direction of the locking piece is arranged on the bottom surface of the plug-in cavity, the locking piece moves from the first installation position to the second installation position after passing through the first guide surface, the secondary locking of the terminal is realized, the structure is simpler, and the connector assembly can be realized by pushing the locking piece when the locking piece is switched from the first installation position to the second installation position.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

FIG. 1 is an exploded view of a miniature connector assembly according to the present utility model;

FIG. 2 is a schematic view of the latch in the connector assembly of FIG. 1;

FIG. 3 is a schematic view of a terminal of the connector assembly of FIG. 1;

FIG. 4 is a cross-sectional view of the connector assembly of FIG. 1 taken in a vertical direction with the latch in a first installed position;

FIG. 5 is a cross-sectional view of the connector assembly of FIG. 1 taken in a vertical direction with the latch in a second installed position;

FIG. 6 is a cross-sectional view of the connector assembly of FIG. 1 taken in a horizontal direction with the latch in a second installed position;

FIG. 7 is a schematic view of a first guide surface consisting of at least one continuously disposed ramp;

fig. 8 is a schematic view of a first guiding surface consisting of a number of continuously arranged landing-like structures.

The figures are marked as follows:

10. a terminal; 101. a blocking feature; 102. foolproof features;

20. a connector body; 201. a cavity; 202. a plug cavity; 203. a first guide surface; 2031. an inclined plane; 2032. a terrace-like structure; 204. a first clamping groove;

30. a locking member; 301. an abutment surface; 302. a first rib; 303. a second rib; 304. a third rib; 305. a second guide surface; 306. a third guide surface; 307. a locking key; 308. a fool-proof groove;

40. a first mounting location;

50. and a second mounting position.

Detailed Description

Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.

The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.

A miniature connector assembly, as shown in fig. 1, mainly comprises at least one terminal 10, a connector body 20, and a locking member 30; as shown in fig. 1 and 3, the terminal 10 has a blocking feature 101, in this embodiment, the blocking feature 101 is a groove-shaped structure formed by recessing inwards on the terminal 10, and the groove-shaped structure matches the shape of the locking member 30, and when the locking member 30 is laterally inserted into the groove-shaped structure, the axial movement of the terminal 10 is limited.

The connector body 20 has at least one cavity 201 for accommodating the terminal 10, the terminal 10 is mounted in the cavity 201, and a primary lock structure matched with each other is provided between the terminal 10 and the cavity 201, when the terminal 10 is mounted in place, the primary lock is realized between the terminal 10 and the cavity 201, and the primary lock structure between the terminal 10 and the cavity 201 is generally a spring plate structure formed on the terminal 10, which is more conventional in the art, so that the detailed description is omitted herein.

As shown in fig. 1, 2, 4 and 5, a plugging cavity 202 communicating with the cavity 201 is provided in the connector body 20 in a direction perpendicular to the axis of the terminal 10; the locking element 30 is detachably mounted in the socket 202, and has at least a first mounting position 40 and a second mounting position 50 located above the first mounting position 40 and interfering with the blocking feature 101 of the terminal 10 in the socket 202, and a first guiding surface 203 obliquely arranged upwards along the insertion direction of the locking element 30 is provided on the bottom surface of the socket 202, and after passing the first guiding surface 203, the locking element 30 is moved from the first mounting position 40 to the second mounting position 50, and when the locking element 30 is located in the second mounting position 50, the locking element interferes with the blocking feature 101 of the terminal 10 to realize locking of the terminal 10 as described above. When the locking member 30 is switched from the first mounting position 40 to the second mounting position 50, the locking member 30 is pushed, so that the locking member is simple to manufacture and high in structural reliability compared with the conventional integrated structure, and is particularly suitable for being used in a small-sized connector.

As shown in fig. 2, the head end of the lock member 30 has an abutment surface 301 that is engaged with the first guide surface 203 and is disposed obliquely, and the abutment surface 301 abuts against the first guide surface 203 when the lock member 30 is in the first mounting position 40. Here, the first guide surface 203 may be formed by at least one continuously provided inclined surface 2031 or a plurality of continuously provided stepped structures 2032, and if the inclined surface 2031 is selected, a configuration in which the inclined surface is provided upward in the insertion direction of the lock member 30 may be realized by providing only one inclined surface, and if the stepped structure 2032 is selected, a configuration in which a plurality of stepped structures 2032 are provided so as to be provided upward in the insertion direction of the lock member 30 may be realized, and when the lock member 30 is in the first installation position 40, the abutment surface 301 abuts against the inclined surface 2031 or the plurality of continuously provided stepped structures, and fig. 7 and 8 are schematic diagrams of the first guide surface 2031 formed by at least one continuously provided inclined surface and the first guide surface 203 formed by the plurality of continuously provided stepped structures 2032, respectively.

Further, a first rib 302 is convexly arranged on the lower end surface of the locking piece 30, and a first clamping groove 204 matched with the first rib 302 is arranged on the bottom wall of the connector main body 20; the locking member 30 has a second rib 303 protruding from an upper end surface, when the locking member 30 is at the first mounting position 40, the first rib 302 is clamped to the first clamping groove 204, and a top of the second rib 303 abuts against a top surface of the plugging cavity 202, as shown in fig. 4. At this time, the first rib 302 and the second rib 303 can limit the position of the locking member 30, prevent the locking member 30 from rocking back and forth, and realize the pre-installation position of the locking member 30.

In one embodiment, as shown in fig. 2 and 3, the terminal 10 further has a fool-proof feature 102 disposed thereon in a protruding manner, and in this embodiment, the fool-proof feature 102 is a rib formed along an axial direction of the terminal 10; at least one foolproof slot 308 is formed through the upper end surface of the locking member 30 along the direction perpendicular to the direction of inserting the locking member 30 into the socket cavity 202, when the locking member 30 is at the first mounting position 40, the foolproof feature 102 of the terminal 10 can be mounted at a predetermined position after passing through the foolproof slot 308, and referring specifically to fig. 4, the foolproof slot 308 is used for assisting in mounting the terminal 10, so as to ensure that the terminal 10 can be mounted in place accurately.

The tail end of the locking member 30 is provided with a third rib 304 protruding on the lower end surface, and the third rib 304 is located behind the second rib 303, and when the locking member 30 is at the second mounting position 50, the third rib 304 abuts against the bottom surface of the socket 202, and at this time, the head end of the locking member 30 passes over the first guiding surface 203 and is inserted into the side higher than the first guiding surface 203.

Further, as shown in fig. 2 and 6, the tail end of the locking member 30 is provided with a locking key 307 protruding from at least one side wall, in this embodiment, the locking key 307 is in a barb shape, the thickness of the locking key 307 gradually decreases along the insertion direction of the locking member 30, when the locking member 30 is located at the second installation position 50, the locking key 307 is clamped into the cavity 201, and the position of the locking member 30 can be limited by the third rib 304 and the locking key 307, so as to prevent the locking member 30 from shaking back and forth, and realize the locking position of the locking member 30.

In one embodiment, in order to prevent interference between the first and third ribs 302 and 304 on the locking member 30 and the connector body 20 and facilitate smooth insertion and switching of the locking member 30, as shown in fig. 4, the first and third ribs 302 and 304 are provided with a second guide surface 305 and a third guide surface 306, respectively, for guiding insertion thereof into the socket cavity 202.

While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims (10)

1. A miniature connector assembly, comprising:

at least one terminal having a blocking feature thereon;

a connector body having at least one cavity therein for receiving a terminal, the terminal being mounted in the cavity; a plug-in cavity communicated with the cavity is arranged in the connector main body in a penetrating manner along the direction perpendicular to the axis of the terminal;

the locking piece, detachable installs in the grafting intracavity, and it has at least first mounted position and is located first mounted position top and with the second mounted position that the blocking characteristic of terminal interfered mutually in the grafting intracavity, have on the bottom surface of grafting chamber along the first guide face of the upward slope setting of the direction of inserting of locking piece, after the locking piece passes through first guide face, remove to the second mounted position by first mounted position, realize the locking to the terminal.

2. A miniature connector assembly according to claim 1, wherein: the head end of the locking piece is provided with an abutting surface which is matched with the first guide surface and is obliquely arranged, and when the locking piece is in the first installation position, the abutting surface abuts against the first guide surface.

3. A miniature connector assembly according to claim 2, wherein: the first guide surface consists of at least one continuously arranged inclined surface or of a plurality of continuously arranged stepped structures.

4. A miniature connector assembly according to claim 1, wherein: the lower end face of the locking piece is convexly provided with a first convex rib, and the bottom wall of the connector main body is provided with a first clamping groove matched with the first convex rib;

the tail end of the locking piece is provided with a second convex rib in a protruding mode on the upper end face, when the locking piece is located at the first installation position, the first convex rib is clamped to the first clamping groove, and the top of the second convex rib is abutted to the top face of the plug-in cavity.

5. A miniature connector assembly according to claim 4, wherein: the tail end of the locking piece is provided with a third convex rib in a protruding mode on the lower end face, the third convex rib is located behind the second convex rib, and when the locking piece is located at the second installation position, the third convex rib abuts against the bottom face of the plug-in cavity.

6. A miniature connector assembly according to claim 1, wherein: the tail end of the locking piece is provided with a locking key in a protruding mode on at least one side wall, and when the locking piece is located at the second installation position, the locking key is clamped into the cavity.

7. A miniature connector assembly according to claim 6, wherein: the locking key is in a barb shape, and the thickness of the locking key is gradually reduced along the insertion direction of the locking piece.

8. A miniature connector assembly according to claim 1, wherein: the terminal is also provided with fool-proof features which are arranged in a protruding way;

at least one fool-proof groove is penetrated and arranged on the upper end surface of the locking piece along the direction perpendicular to the direction of inserting the locking piece into the inserting cavity, and when the locking piece is positioned at the first installation position, the fool-proof feature of the terminal can be installed at a preset position after penetrating through the fool-proof groove.

9. A miniature connector assembly according to claim 8, wherein: the fool-proof feature is a rib formed to extend in the axial direction of the terminal.

10. A miniature connector assembly according to claim 1, wherein: the blocking feature is a groove-like structure formed on the terminal that is recessed inward.