CN218242343U - Terminal Locks, Connector Housing Assemblies and Connectors - Google Patents

Abstract

The utility model discloses a terminal locking piece, connector housing assembly and connector. The terminal locking member includes: the main body part is suitable for being inserted into the locking piece inserting groove on the connector shell; a retention structure formed on the body portion adapted to engage a mating retention structure on the connector housing to retain the terminal lock in a pre-lock position disengaged from the connector terminal or a final lock position engaged with the connector terminal; and a locking structure formed on the body portion adapted to engage with a counterpart locking structure on the connector housing to prevent the terminal locking member from moving outwardly from the pre-lock position relative to the connector housing. When the terminal locking piece is moved in the unlocking direction by the driving of the operating tool, the locking structure and the counterpart locking structure come close to each other in a direction perpendicular to the insertion direction of the terminal locking piece into the connector housing to increase the retaining force generated therebetween. Therefore, the terminal locking member can be more reliably prevented from moving outward from the preliminary locking position with respect to the connector housing.

Description

Terminal Locks, Connector Housing Assemblies and Connectors

technical field

The utility model relates to a terminal locking piece, a connector shell assembly comprising the terminal locking piece and a connector comprising the connector shell assembly.

Background technique

In the prior art, a connector generally includes a housing, a terminal and a terminal locking member. The terminals are inserted into terminal slots in the housing. The terminal locking piece is inserted into the locking piece slot in the housing for locking the terminal in the terminal slot to prevent the terminal from being pulled out from the terminal slot.

In the prior art, the terminal locking member is generally movable between a pre-lock position where the terminals are separated and a final lock position where the terminals are engaged. In order to keep the terminal lock in the pre-lock position or the final lock position, a holding part is also provided on the terminal lock, which can engage with the pre-lock part and the final lock part on the housing to hold the terminal lock In pre-lock or final lock position. However, the holding force at the pre-lock position is limited, therefore, when a large toggle force is exerted on the terminal lock with an operating tool, the terminal lock can move outward relative to the housing from the pre-lock position and be in contact with the terminal lock. The shell is detached, which will cause inconvenience to the customer.

Utility model content

The purpose of this utility model is to solve at least one aspect of the above-mentioned problems and defects existing in the prior art.

According to one aspect of the present invention, there is provided a terminal lock, comprising: a main body adapted to be inserted into a locking slot on a connector housing; a retaining structure formed on the main body adapted to be compatible with the A mating retaining structure on the connector housing is engaged to hold the terminal locking member in a pre-lock position separated from the connector terminals or in a final lock position engaged with the connector terminals; and a locking structure formed on the The body portion is adapted to engage with a mating locking structure on the connector housing, so as to prevent the terminal locking member from moving outward relative to the connector housing from the pre-lock position. When the terminal locking member is driven by the operating tool to move in the unlocking direction, the locking structure and the mating locking structure are in a direction perpendicular to the insertion direction of the terminal locking member into the connector housing. Close to each other to increase the stop force generated between the two.

According to an exemplary embodiment of the present invention, the locking structure includes: a locking protrusion protrudingly formed on the body part; and a locking surface formed on the locking protrusion, for engaging with a mating locking surface on the connector housing.

According to another exemplary embodiment of the present utility model, the locking surface is perpendicular to the longitudinal direction of the body part of the terminal locking part, and the body part of the terminal locking part is inserted into the locking part slot along its longitudinal direction. .

According to another exemplary embodiment of the present invention, the retaining structure includes: a pre-locking groove adapted to engage with an engagement protrusion on the connector housing, for retaining the terminal locking member in the the pre-lock position; and a final lock groove adapted to engage with an engaging protrusion on the connector housing for holding the terminal locking member at the final lock position.

According to another exemplary embodiment of the present invention, the holding structure and the locking structure are formed on the side, top or bottom of the rear end of the main body.

According to another exemplary embodiment of the present utility model, the retaining structures are respectively formed on the lateral sides of the main body of the terminal locking member; on the top surface of the main body of the terminal locking member The locking structure is formed.

According to another exemplary embodiment of the present utility model, terminal through holes corresponding to the terminal slots on the connector housing are formed on the main body of the terminal locking member; when the terminal locking member is When moving to the pre-lock position, the terminal through hole is aligned with the terminal slot to allow the connector terminal to be inserted into the terminal slot or pulled out from the terminal slot; when the terminal is locked When the component is moved to the final locking position, the terminal through hole is staggered with the terminal slot, so as to prevent the connector terminal from being pulled out from the terminal slot or inserted into the terminal slot.

According to another exemplary embodiment of the present invention, a plurality of terminal through holes are formed on the main body of the terminal locking member, and the plurality of terminal through holes are arranged in multiple rows and multiple columns.

According to another exemplary embodiment of the present utility model, the terminal locking member further includes: a positioning protrusion protrudingly formed on the end surface of the front end of the main body part for connecting with the connector housing. The positioning jack fits.

According to another exemplary embodiment of the present utility model, when the terminal locking member moves along its insertion direction into the connector housing, part of the locking structure engages with the mating locking structure, and generate a first anti-retreat force: when the locking structure moves along the unlocking direction, the locking structure and the mating locking structure engage with each other to generate a second anti-retreat force, and the first anti-retreat force The second anti-retraction force is greater than the first anti-retraction force.

According to another exemplary embodiment of the present invention, the terminal locking member further includes: an operation part connected to the rear end of the main body to allow the connection between the operation part and the connector housing An operating tool in between toggles the terminal locking member from the final locking position to the pre-locking position.

According to another exemplary embodiment of the present utility model, the locking structure is formed on the rear end of the main body part and is opposite to the operation part in a first direction, and the first direction is opposite to the terminal The insertion direction of the lock piece into the lock piece slot is vertical; the operation force exerted by the operation tool on the operation part can be decomposed into a first component force along the first direction and a force along the insertion direction. The second component force in the opposite direction; when the terminal locking piece is dialed to the pre-lock position by the operating tool, the terminal locking piece increases toward the The direction of the amount of interference between the locking structure and the counter locking structure is shifted to increase the engagement force between the locking structure and the counter locking structure.

According to another exemplary embodiment of the present invention, the main body has a top surface and a bottom surface opposite in the vertical direction, the locking structure is formed on the top surface of the rear end of the main body, the The operation part extends downward from the bottom surface of the rear end of the main body part.

According to another aspect of the present utility model, there is provided a connector housing assembly, comprising: a connector housing formed with a terminal slot and a locking member slot transversely communicating with the terminal slot; and a terminal locking member, Inserted into the lock slot and can move between the pre-lock position and the final lock position, the connector housing is formed with a holding structure and a locking structure suitable for the terminal lock Separately engaged mating retention structures and mating locking structures.

According to an exemplary embodiment of the present invention, the matching holding structure is a holding protrusion formed on the inner wall of the lock slot of the connector housing, and the holding protrusion is suitable for matching with the Engage the pre-lock and final-lock grooves on the retention structure.

According to another exemplary embodiment of the present invention, the mating locking structure includes: a receiving groove communicating with the locking member slot for accommodating the locking structure; and a mating locking surface, formed on the inner side of the accommodating groove for abutting against the locking surface of the locking structure.

According to another exemplary embodiment of the present invention, the terminal locking piece is inserted into the locking piece slot along the transverse direction of the connector housing, and the mating locking surface and the connector housing horizontal and vertical.

According to another exemplary embodiment of the present invention, a positioning recess is formed on the outer wall of the connector housing, and the operating portion on the terminal locking member is accommodated in the positioning recess.

According to another exemplary embodiment of the present invention, a positioning socket is formed on the connector housing, and the positioning socket is matched with a positioning protrusion on the terminal locking member.

According to another exemplary embodiment of the present invention, the terminal slots extend longitudinally along the connector housing, and the locking member slots extend transversely along the connector housing and pass through the terminals slot.

According to another aspect of the present invention, a connector is provided, including: a connector housing assembly; and connector terminals inserted into terminal slots of the connector housing. When the terminal lock is moved to the pre-lock position, the terminal lock is in a non-interfering position with the connector terminal to allow the connector terminal to be inserted into the terminal slot. When the terminal locking piece is moved to the final locking position, the terminal locking piece abuts against the connector terminal to prevent the connector terminal from being pulled out from the terminal slot.

In each of the foregoing exemplary embodiments according to the present invention, the locking structure and the mating locking structure can effectively prevent the terminal locking member from moving outwards from the pre-locking position relative to the connector housing, thus ensuring that the terminals The locking piece will not disengage from the connector housing, which is very convenient to use.

In addition, in some of the above-mentioned exemplary embodiments according to the present invention, when the terminal locking member is toggled with an operating tool, the amount of interference and engagement force between the locking structure and the mating locking structure can be increased, thereby It is possible to more reliably prevent the terminal lock from moving outward from the pre-lock position relative to the connector housing.

Through the following description of the utility model with reference to the accompanying drawings, other purposes and advantages of the utility model will be apparent, and can help to have a comprehensive understanding of the utility model.

Description of drawings

Fig. 1 shows a schematic perspective view of a connector housing assembly according to an exemplary embodiment of the present invention;

Fig. 2 shows an exploded schematic diagram of a connector housing assembly according to an exemplary embodiment of the present invention;

Fig. 3 shows a schematic perspective view of a terminal locking member of a connector housing assembly according to an exemplary embodiment of the present invention;

Fig. 4 shows a cross-sectional view along the vertical direction of the connector housing assembly according to an exemplary embodiment of the present invention, wherein the terminal locking member is not inserted into the connector housing;

5 shows a cross-sectional view along the horizontal direction of the connector housing assembly according to an exemplary embodiment of the present invention, wherein the terminal locking member is not inserted into the connector housing;

6 shows a cross-sectional view along the horizontal direction of the connector housing assembly according to an exemplary embodiment of the present invention, wherein the terminal locking member is in the final locking position;

Fig. 7 shows a schematic diagram of using an operating tool to toggle a terminal locking member according to an exemplary embodiment of the present invention;

Fig. 8 shows a schematic diagram when the terminal locking member is dialed to the pre-lock position with an operating tool according to an exemplary embodiment of the present invention;

Fig. 9 shows a cross-sectional view along the horizontal direction of the connector housing assembly according to an exemplary embodiment of the present invention, wherein the terminal locking member is in the pre-locking position.

detailed description

The technical solutions of the present utility model will be further specifically described below through the embodiments and in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals designate the same or similar components. The following descriptions of the embodiments of the utility model with reference to the accompanying drawings are intended to explain the overall utility model concept of the utility model, and should not be construed as a limitation of the utility model.

In addition, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a comprehensive 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 diagrammatic form to simplify the drawings.

According to a general technical idea of the utility model, a terminal locking element is provided, comprising: a main body, adapted to be inserted into a locking element slot on a connector housing; a holding structure, formed on the main body, adapted to engaging with a mating retaining structure on the connector housing to retain the terminal lock in a pre-lock position disengaged from the connector terminals or a final lock position engaged with the connector terminals; and a locking structure forming The body portion is adapted to engage with a mating locking structure on the connector housing to prevent the terminal locking member from moving outwards from the pre-lock position relative to the connector housing. When the terminal locking member is driven by the operating tool to move in the unlocking direction, the locking structure and the mating locking structure are in a direction perpendicular to the insertion direction of the terminal locking member into the connector housing. Close to each other to increase the stop force generated between the two.

According to another general technical idea of the present utility model, a connector housing assembly is provided, comprising: a connector housing formed with a terminal slot and a locking piece slot communicating with the terminal slot laterally; and a terminal locking A piece that is inserted into the slot of the locking piece and can move between the pre-lock position and the final lock position. The connector housing is formed with a holding structure and a lock suitable for the terminal locking piece. A mating retaining structure and a mating locking structure respectively engaged by the detent structures.

According to another general technical idea of the present invention, a connector is provided, comprising: a connector housing assembly; and connector terminals inserted into terminal slots of the connector housing. When the terminal lock is moved to the pre-lock position, the terminal lock is in a non-interfering position with the connector terminal to allow the connector terminal to be inserted into the terminal slot. When the terminal locking piece is moved to the final locking position, the terminal locking piece abuts against the connector terminal to prevent the connector terminal from being pulled out from the terminal slot.

Fig. 1 shows a schematic perspective view of a connector housing assembly according to an exemplary embodiment of the present invention; Fig. 2 shows an exploded schematic view of a connector housing assembly according to an exemplary embodiment of the present invention; Fig. 3 It shows a schematic perspective view of the terminal locking member 2 of the connector housing assembly according to an exemplary embodiment of the present invention; FIG. 4 shows a vertical view of the connector housing assembly according to an exemplary embodiment of the present invention A sectional view in the vertical direction, wherein the terminal locking member 2 is not inserted into the connector housing 1; FIG. 5 shows a sectional view along the horizontal direction of the connector housing assembly according to an exemplary embodiment of the present invention, wherein the terminal locking member 2 is not inserted into the connector housing 1.

As shown in FIGS. 1 to 5 , in an exemplary embodiment of the present invention, a terminal locking member 2 is disclosed. The terminal locking member 2 includes: a main body 20 , holding structures 21 , 22 and locking structures 23 , 23 a. The main body part 20 is adapted to be inserted into the lock slot 102 on the connector housing 1 . Retaining structures 21, 22 are formed on the body portion 20, adapted to engage with mating retaining structures 11 on the connector housing 1 to retain the terminal locking member 2 in a pre-lock position separated from the connector terminals or with the connector Final lock position for terminal engagement. Locking structures 23, 23a are formed on the body portion 20, adapted to engage with mating locking structures 13, 13a on the connector housing 1, so as to prevent the terminal locking member 2 from the pre-lock position relative to the connector housing 10. Move outward.

Fig. 6 shows a cross-sectional view along the horizontal direction of the connector housing assembly according to an exemplary embodiment of the present invention, wherein the terminal locking member 2 is in the final locking position; Fig. 7 shows an exemplary implementation according to the present invention Figure 8 shows a schematic diagram of using the operating tool 3 to toggle the terminal locking member 2 to the pre-lock position according to an exemplary embodiment of the present utility model; FIG. 9 shows a cross-sectional view along the horizontal direction of the connector housing assembly according to an exemplary embodiment of the present invention, wherein the terminal locking member 2 is in the pre-locking position.

As shown in Figures 1 to 9, in the illustrated embodiment, the locking structure 23, 23a includes: a locking protrusion 23, protrudingly formed on the body portion 20; and a locking surface 23a, formed on the lock The locking protrusion 23 is used to engage with the mating locking surface 13 a on the connector housing 1 .

As shown in FIGS. 1 to 9 , in the illustrated embodiment, the terminal locking member 2 is inserted into the locking member slot 102 along the transverse direction of the connector housing 1 . When the terminal locking member 2 is inserted into the locking member slot 102 , the locking surface 23 a is perpendicular to the transverse direction of the connector housing 1 .

As shown in Figures 1 to 9, in the illustrated embodiment, the retaining structures 21, 22 include: a pre-lock groove 21, adapted to engage with the engagement protrusion 11 on the connector housing 1, for engaging the terminal The locking member 2 is kept at the pre-lock position; and the final lock groove 22 is adapted to engage with the engagement protrusion 11 on the connector housing 1 for keeping the terminal locking member 2 at the final lock position.

As shown in FIGS. 1 to 9 , in the illustrated embodiment, the holding structures 21 , 22 and the locking structures 23 , 23 a are formed on the side, top or bottom of the rear end of the main body 20 .

As shown in FIGS. 1 to 9 , in the illustrated embodiment, retaining structures 21 and 22 are respectively formed on lateral sides of the body portion 20 of the terminal locking member 2 . Locking structures 23 , 23 a are formed on the top surface of the body portion 20 of the terminal locking member 2 .

As shown in FIGS. 1 to 9 , in the illustrated embodiment, terminal through holes 201 corresponding to the terminal slots 101 on the connector housing 1 are formed on the body portion 20 of the terminal locking member 2 . When the terminal locking member 2 is moved to the pre-lock position, the terminal through hole 201 is aligned with the terminal slot 101 to allow the connector terminal to be inserted into or pulled out from the terminal slot 101 . When the terminal locking member 2 is moved to the final locking position, the terminal through hole 201 is staggered with the terminal slot 101 to prevent the connector terminal from being pulled out from the terminal slot 101 or inserted into the terminal slot 101 .

As shown in FIGS. 1 to 9 , in the illustrated embodiment, a plurality of terminal through holes 201 are formed on the body portion 20 of the terminal locking member 2 , and the plurality of terminal through holes 201 are arranged in multiple rows and columns.

As shown in Figures 1 to 9, in the illustrated embodiment, the terminal locking member further includes a positioning protrusion 25, and the positioning protrusion 25 is protrudingly formed on the end surface of the front end of the main body part 20 for connecting with the connector. The positioning socket 15 on the housing 1 is matched.

As shown in FIGS. 1 to 9 , in the illustrated embodiment, the terminal locking member further includes an operating portion 24, which is connected to the rear end of the main body portion 20 to allow insertion of the operating portion 24 into the connector housing. The operating tool 3 between 1 toggles the terminal lock 2 from the final lock position to the pre-lock position.

As shown in Figures 1 to 9, in the illustrated embodiment, the locking structure 23, 23a is formed on the rear end of the main body part 20 and is opposite to the operating part 24 in the first direction, and the first direction is locked with the terminal. The insertion direction of the component 2 into the locking component slot 102 is vertical. The operating force exerted by the operating tool 3 on the operating portion 24 can be decomposed into a first component force F1 in a first direction and a second component force F2 in a direction opposite to the insertion direction. When the terminal locking part 2 is dialed to the pre-locking position by the operating tool 3, the terminal locking part 2 moves towards the increased locking structure 23, 23a and the mating locking structure 13, 13a under the action of the first component force F1. The direction of the amount of interference is shifted to increase the engaging force between the locking structure 23, 23a and the counter locking structure 13, 13a.

As shown in Figures 1 to 9, in the illustrated embodiment, when the terminal locking member 2 is driven by the operating tool 3 in the unlocking direction (that is, the terminal locking member 2 is pried away from the final lock position by using the operating tool 3 direction, in this article, the unlocking direction is oblique to the insertion direction of the terminal locking member 2 into the connector housing 1) when moving, the locking structure 23, 23a and the mating locking structure 13, 13a are in the direction perpendicular to the insertion direction Close to each other to increase the stop force generated between the two.

As shown in Figures 1 to 9, in the illustrated embodiment, when the terminal locking member 2 moves along its insertion direction, the partial locking structures 23, 23a engage with the mating locking structures 13, 13a, and generate The first stop force. When the terminal locking member 2 moves along the unlocking direction, the locking structures 23 , 23 a engage with the mating locking structures 13 , 13 a to generate a second anti-retraction force, and the second anti-retraction force is greater than the first anti-retraction force.

As shown in Figures 1 to 9, in the illustrated embodiment, the locking structures 23, 23a are formed on the top surface of the rear end of the main body part 20, and the operating part 24 is connected to the bottom surface of the rear end of the main body part 20 and vertically extending straight down.

As shown in FIGS. 1 to 9 , in another exemplary embodiment of the present invention, a connector housing assembly is also disclosed. The connector housing assembly includes: a connector housing 1 and a terminal locking member 2 . The connector housing 1 is formed with a terminal slot 101 and a lock slot 102 communicating laterally with the terminal slot 101 . The terminal lock 2 is inserted into the lock slot 102 and can move between a pre-lock position and a final lock position. The mating retaining structure 11 and mating locking structures 13 , 13 a adapted to respectively engage with the retaining structures 21 , 22 and locking structures 23 , 23 a on the terminal locking member 2 are formed on the connector housing 1 .

As shown in Figures 1 to 9, in the illustrated embodiment, the mating retaining structure 11 is a retaining protrusion formed on the inner wall of the lock slot 102 of the connector housing 1, and the retaining protrusion is adapted to match with The pre-lock grooves 21 and the final lock grooves 22 on the retaining structures 21, 22 engage.

As shown in FIG. 1 to FIG. 9 , in the illustrated embodiment, the mating locking structure 13, 13a includes: a receiving groove 13, communicating with the locking member slot 102, for accommodating the locking structure 23, 23a; and The mating locking surface 13 a is formed on the inner side of the receiving groove 13 for abutting against the locking surface 13 a of the locking structures 23 , 23 a.

As shown in Figures 1 to 9, in the illustrated embodiment, the terminal locking member 2 is inserted into the locking member slot 102 along the transverse direction of the connector housing 1, and the mating locking surface 13a and the connector housing 1 Horizontal and vertical.

As shown in FIGS. 1 to 9 , in the illustrated embodiment, a positioning recess 14 is formed on the outer wall of the connector housing 1 , and the operating portion 24 on the terminal lock 2 is accommodated in the positioning recess 14 .

As shown in FIGS. 1 to 9 , in the illustrated embodiment, a positioning socket 15 is formed on the connector housing 1 , and the positioning socket 15 cooperates with the positioning protrusion 25 on the terminal locking member 2 .

As shown in Figures 1 to 9, in the illustrated embodiment, the terminal slot 101 extends longitudinally along the connector housing 1, and the lock slot 102 extends laterally along the connector housing 1 and penetrates through the terminal slot 101.

As shown in FIGS. 1 to 9 , in the illustrated embodiment, a plurality of terminal slots 101 are formed on the connector housing 1 , and the plurality of terminal slots 101 are arranged in multiple rows and multiple columns.

As shown in FIGS. 1 to 9 , in another exemplary embodiment of the present invention, a connector is also disclosed. The connector includes: a connector housing assembly and connector terminals. Connector terminals are inserted into terminal slots 101 of the connector housing 1 . When the terminal lock 2 is moved to the pre-lock position, the terminal lock 2 is in a non-interfering position with the connector terminals to allow the connector terminals to be inserted into the terminal slots 101 . When the terminal locking part 2 is moved to the final locking position, the terminal locking part 2 abuts against the connector terminals to prevent the connector terminals from being pulled out from the terminal slots 101 .

Those skilled in the art can understand that the above-described embodiments are exemplary, and those skilled in the art can improve them, and the structures described in various embodiments do not conflict with each other in terms of structure or principle Under the situation that can carry out free combination, these changes should fall within the scope of protection of the present utility model.

Although the utility model has been described in conjunction with the drawings, the embodiments disclosed in the drawings are intended to illustrate the preferred implementation of the utility model, and should not be construed as a limitation of the utility model.

Although some embodiments of the general concept of the present invention have been shown and described, those skilled in the art will understand that changes can be made to these embodiments without departing from the principles and spirit of the general concept of the present invention. , the scope of the present invention is defined by the claims and their equivalents.

It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. Additionally, any element references in the claims should not be construed as limiting the scope of the present invention.

Claims (21)

1. A terminal lock, characterized in that it comprises: a main body adapted to be inserted into a lock slot on the connector housing; A retaining structure, formed on the body portion, is adapted to engage with a mating retaining structure on the connector housing to retain the terminal lock in a pre-locked position separate from the connector terminals or with the connector the final lock position of the terminal engagement; and a locking structure, formed on the body portion, adapted to engage with a mating locking structure on the connector housing, so as to prevent the terminal locking member from being pre-locked relative to the connector housing The position moves outward, When the terminal locking member is driven by the operating tool to move in the unlocking direction, the locking structure and the mating locking structure are in a direction perpendicular to the insertion direction of the terminal locking member into the connector housing. Close to each other to increase the stop force generated between the two. 2. The terminal locking member according to claim 1, characterized in that: The locking structure includes: a locking projection protrudingly formed on the body portion; and A locking surface is formed on the locking protrusion for engaging with a mating locking surface on the connector housing. 3. The terminal locking member according to claim 2, characterized in that: The locking surface is perpendicular to the longitudinal direction of the body portion of the terminal locking member, and the body portion of the terminal locking member is inserted into the locking member slot along its longitudinal direction. 4. The terminal locking member according to claim 1, characterized in that: The retention structure includes: a pre-lock groove adapted to engage with an engaging protrusion on the connector housing for retaining the terminal lock in the pre-lock position; and The final lock groove is suitable for engaging with the engagement protrusion on the connector housing, and is used to keep the terminal locking member at the final lock position. 5. The terminal locking member according to claim 1, characterized in that: The holding structure and the locking structure are formed on the side, top or bottom of the rear end of the main body. 6. The terminal locking member according to claim 5, characterized in that: The retaining structures are respectively formed on lateral sides of the body portion of the terminal locking member on both sides; The locking structure is formed on the top surface of the body portion of the terminal locking member. 7. The terminal locking member according to claim 1, characterized in that: A terminal through hole corresponding to the terminal slot on the connector housing is formed on the body part of the terminal locking member; When the terminal locking member is moved to the pre-lock position, the terminal through hole is aligned with the terminal slot to allow connector terminals to be inserted into or removed from the terminal slot. out; When the terminal locking member is moved to the final locking position, the terminal through hole is staggered with the terminal slot, so as to prevent the connector terminal from being pulled out from the terminal slot or inserted into the terminal slot middle. 8. The terminal locking member according to claim 7, characterized in that: A plurality of terminal through holes are formed on the body portion of the terminal locking member, and the plurality of terminal through holes are arranged in multiple rows and multiple columns. 9. The terminal locking member according to claim 1, further comprising: The positioning protrusion is protrudingly formed on the end surface of the front end of the main body part, and is used to cooperate with the positioning socket on the connector housing. 10. The terminal locking member according to any one of claims 1 to 9, characterized in that: When the terminal locking member moves along its insertion direction into the connector housing, part of the locking structure engages with the mating locking structure and generates a first back-stopping force: When the locking structure moves along the unlocking direction, the locking structure and the mating locking structure engage with each other to generate a second anti-backward force, and the second anti-backward force is greater than the first anti-backward force Stop retreating. 11. The terminal locking member according to any one of claims 1-9, further comprising: an operating part connected to the rear end of the main body to allow the terminal locking member to be toggled from the final lock position to the Pre-lock position. 12. The terminal locking member according to claim 11, characterized in that: The locking structure is formed on a rear end of the main body portion and is opposed to the operating portion in a first direction that is the same as an insertion direction of the terminal lock into the lock slot. vertical; The operating force exerted by the operating tool on the operating portion can be decomposed into a first component force in the first direction and a second component force in a direction opposite to the insertion direction; When the terminal locking member is dialed to the pre-lock position by the operating tool, the terminal locking member is locked toward the increasing lock structure and the mating lock under the action of the first component force. The direction of the amount of interference between the structures is shifted to increase the engagement force between the locking structure and the counter locking structure. 13. The terminal locking member according to claim 12, characterized in that: The main body portion has a top surface and a bottom surface opposite in the vertical direction, the locking structure is formed on the top surface of the rear end of the main body portion, and the operating portion faces downward from the bottom surface of the rear end of the main body portion extend. 14. A connector housing assembly, comprising: a connector housing formed with a terminal slot and a lock slot in lateral communication with the terminal slot; and The terminal locking member according to any one of claims 1-13, which is inserted into the locking member slot and can move between a pre-lock position and a final lock position, A matching holding structure and a matching locking structure adapted to engage with the holding structure and the locking structure on the terminal locking member are formed on the connector housing. 15. The connector housing assembly of claim 14, wherein: The mating retaining structure is a retaining protrusion formed on the inner wall of the lock slot of the connector housing, and the retaining protrusion is adapted to match the pre-lock groove and the final lock recess on the retaining structure. Groove engagement. 16. The connector housing assembly of claim 14, wherein: The matching locking structure includes: an accommodating groove, communicating with the locking member slot, for accommodating the locking structure; and The mating locking surface is formed on the inner side of the receiving groove, and is used to abut against the locking surface of the locking structure. 17. The connector housing assembly of claim 16, wherein: The terminal locking piece is inserted into the locking piece slot along the transverse direction of the connector housing, and the mating locking surface is perpendicular to the transverse direction of the connector housing. 18. The connector housing assembly of claim 14, wherein: A positioning recess is formed on an outer wall of the connector housing, and an operating portion on the terminal lock is accommodated in the positioning recess. 19. The connector housing assembly of claim 14, wherein: A positioning socket is formed on the connector housing, and the positioning socket is matched with the positioning protrusion on the terminal locking member. 20. The connector housing assembly of claim 14, wherein: The terminal slots extend along the longitudinal direction of the connector housing, and the locking member slots extend along the lateral direction of the connector housing and pass through the terminal slots. 21. A connector, characterized in that it comprises: The connector housing assembly of any one of claims 14-20; and connector terminals inserted into terminal slots of said connector housing, When the terminal locking member is moved to the pre-lock position, the terminal locking member is in a non-interfering position with the connector terminal to allow the connector terminal to be inserted into the terminal slot, When the terminal locking piece is moved to the final locking position, the terminal locking piece abuts against the connector terminal to prevent the connector terminal from being pulled out from the terminal slot.

Images