CN220652487U - Direct-insert type connector - Google Patents

Abstract

The utility model relates to the technical field of direct-insert connectors, in particular to a direct-insert connector which comprises a plug and a socket which are mutually inserted, wherein the plug comprises a plug shell, a pressing tongue for clamping the socket is arranged on the plug shell, and a secondary locking clamp is arranged on the plug shell. The direct-insert type connector designed by the utility model utilizes the pressing tongue on the plug shell to clamp the socket, so as to achieve the aim of clamping the plug and the socket, and meanwhile, the plug shell is also provided with the secondary locking clamp, and then the pressing tongue is abutted against and supported by the secondary locking clamp after the plug and the socket are clamped, so that the pressing tongue is locked, namely, the pressing tongue is kept in a clamping state of the socket, the pressing tongue is pressed at the moment, and is still clamped with the socket under the support of the secondary locking clamp, thereby avoiding the situation that the connector is disconnected due to incorrect operation, and solving the technical problems that the direct-insert type connector is not locked after the clamping and the connection stability of the connector is lower in the prior art.

Description

Direct-insert type connector

Technical Field

The utility model relates to the technical field of direct-insert connectors, in particular to a direct-insert connector.

Background

The utility model provides a chinese patent of bulletin number CN217087008U discloses a cut straightly electric connector, its technical scheme main points are including the socket casing, plug casing and cover that resets, be formed with grafting groove and joint groove on the socket casing, the joint groove is cyclic annular and communicate each other with the grafting groove, the plug casing includes the link, be formed with a plurality of connecting strips on the link, the connecting strip circumference distributes on the link, the one end that the connecting strip is close to the link is formed with joint portion, joint portion is protruding to the outside of plug casing, each joint portion all is used for with the joint groove joint, the connecting strip possesses elasticity, when joint portion receives the extrusion, the connecting strip can be to the plug casing in crooked in order to make each joint portion get into the grafting inslot, the cover that resets is located the outside of link and with plug casing sliding connection, the cover that resets is pegged graft each other with the grafting groove, a plurality of dodges the hole has been seted up on the cover that resets, dodges Kong Gongka joint portion and stretches out, above-mentioned publication possesses many, long service life's characteristics.

However, the in-line connector of the above publication completes connection of the plug and the socket of the in-line connector by mutually clamping the clamping portion and the clamping groove, only by once clamping the clamping portion and the clamping groove, the plug and the socket of the in-line connector can be disconnected by pressing the clamping portion, even if the plug and the socket of the in-line connector are disconnected due to pressing caused by incorrect operation, the situation that the connector is disconnected due to incorrect operation when the connector is not required to be disconnected is caused, the in-line connector of the above publication is not locked after clamping, the connection stability of the connector is low, the connector is disconnected when the connector is not required to be disconnected due to incorrect operation, and the use safety of the connector cannot be effectively ensured once the plug and the socket of the connector are disconnected.

Disclosure of Invention

Aiming at the defects in the background technology, the utility model provides the direct-insert type connector, which solves the technical problems that the direct-insert type connector in the prior art is not locked after being clamped and the connection stability of the connector is lower.

The technical scheme of the utility model is realized as follows: the plug comprises a plug shell, a pressing tongue for clamping the socket is arranged on the plug shell, and a secondary locking clamp is arranged on the plug shell.

Preferably, the plug shell comprises a shell body and a plug cover plate, the shell body is connected with the plug cover plate in a clamping manner, a jack terminal is arranged in the shell body, the middle part of the pressing tongue is connected with the plug cover plate, a deformation space for the pressing tongue to be separated from the socket for clamping is arranged between the pressing tongue and the shell body, and when the secondary locking clamp is inserted into the deformation space, the secondary locking clamp abuts against and supports the rear end of the pressing tongue to keep the front end of the pressing tongue clamped with the socket.

Preferably, a sliding space is arranged between the shell body and the plug cover plate, one end of the secondary locking clamp is in sliding fit with the sliding space, and the other end of the secondary locking clamp is in plug fit with the deformation space.

Preferably, the lower part of the pressing tongue is provided with a clamping lug, the socket comprises a socket shell, the outer side of the socket shell is provided with a hanging ring, and the clamping lug is in concave-convex fit with the hanging ring.

Preferably, the socket shell is provided with a pin terminal, the pin terminal is in plug-in fit with the jack terminal, and the head of the shell body is provided with a plug locking shell.

Preferably, a second sealing ring is arranged between the shell body and the socket shell, one end of the second sealing ring is sleeved on the shell body, and the other end of the second sealing ring is sleeved on the plug locking shell.

Preferably, the outer part of the plug locking shell is spliced with the socket shell, and the inner part of the plug locking shell is rotationally connected with the jack terminal.

Preferably, the outside of plug lock shell is equipped with protruding key and boss, and the inside of socket shell is equipped with the keyway, protruding key and keyway grafting cooperation, set up the boss on the periphery of plug lock shell, the interior round of socket shell on the socket shell with boss chucking cooperation.

Preferably, a hanging table is arranged in the plug locking shell, an annular groove is arranged at the lower part of the jack terminal, and the hanging table is in clamping fit with the annular groove.

Preferably, the tail of the shell body is provided with a tail cover, the tail cover is connected with the shell body in a hanging mode, a first sealing ring is arranged between the shell body and the tail cover, and the tail cover is provided with a wire harness jack.

The direct-insertion type connector designed by the utility model utilizes the pressing tongue on the plug shell to clamp the socket, so that the purpose of clamping the plug and the socket is achieved, meanwhile, the plug shell is also provided with the secondary locking clamp, and the secondary locking clamp is used for abutting against and supporting the pressing tongue after the plug and the socket are clamped, so that the pressing tongue is locked, namely, the pressing tongue keeps clamping the socket, even if the pressing tongue is pressed due to incorrect operation, the pressing tongue is still clamped with the socket under the support of the secondary locking clamp, the situation that the connector is disconnected due to incorrect operation is avoided, the plug and the socket of the connector are not disconnected due to incorrect operation, the connection stability of the connector is effectively improved, the use safety of the connector is effectively ensured, and the technical problem that the direct-insertion type connector is not locked after being clamped in the prior art, and the connection stability of the connector is lower is solved. After the boss is arranged on the plug locking shell, the retaining force is increased, namely, the boss provides the retaining force for preventing the jack terminal from being pulled out of the plug locking shell, and meanwhile, after the plug and the socket are oppositely inserted, the cavity formed by the boss and the inner circle of the socket provides an auxiliary structure for retaining the connector terminal.

Drawings

In order to more clearly illustrate the embodiments of the present utility model, the drawings that are required for the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

Fig. 1 is an exploded view of a plug according to the present utility model.

Fig. 2 is a cross-sectional view of a plug of the present utility model.

Fig. 3 is a schematic view showing the connection of the housing body and the plug deck.

Fig. 4 is a cross-sectional view of fig. 3.

Fig. 5 is a side view of fig. 3.

Fig. 6 is an exploded view of the socket of the present utility model.

Fig. 7 is a perspective view of the plug lock housing of the present utility model.

Fig. 8 is a perspective view of a socket according to the present utility model.

Fig. 9 is a cross-sectional view of the present utility model.

In the figure, 1 plug shell, 2 press tongue, 3 secondary locking checkpost, 4 deformation space, 5 sliding space, 6 chucking lug, 7 socket shell, 8 link, 9 shell body, 10 plug apron, 11 jack terminal, 12 plug locking shell, 13 protruding key, 14 keyway, 15 ring channel, 16 hanging platform, 17 tail cap, 18 pencil jack, 19 second sealing washer, 20 contact pin terminal, 21 first sealing washer, 22 insulator rod, 23 third sealing washer, 24 boss, 25 socket shell interior round surface.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.

Embodiment 1, as shown in fig. 1, 6 and 9, an in-line connector comprises a plug and a socket which are mutually inserted, wherein the plug comprises a plug housing 1, a pressing tongue 2 for clamping the socket is arranged on the plug housing 1, and a secondary locking clip 3 for holding the pressing tongue 2 to clamp the socket is also arranged on the plug housing 1. The plug shell 1 is further provided with a secondary locking clamp 3, the secondary locking clamp 3 is used for propping against and supporting the pressing tongue 2 after the plug and the socket are clamped, so that the pressing tongue 2 is locked, the pressing tongue 2 is kept to clamp the socket even if the pressing tongue 2 is pressed due to wrong operation, the pressing tongue 2 is still clamped with the socket under the support of the secondary locking clamp 3, the situation that the connector is disconnected due to wrong operation is avoided, the plug and the socket of the connector are not disconnected due to wrong operation, the connection stability of the connector is effectively improved, the use safety of the connector is effectively guaranteed, and the technical problem that the direct-insert connector is not locked after clamping in the prior art, and the connection stability of the connector is low is solved.

In the embodiment 1, the plug and the socket on the in-line connector are inserted, the socket is clamped by the pressing tongue 2 on the plug housing 1, and after the socket is clamped by the pressing tongue 2, the secondary locking clamp 3 is moved, so that the secondary locking clamp 3 abuts against and supports the pressing tongue 2, and the plug and the socket on the in-line connector can be in a clamped state and locked secondarily.

In embodiment 2, on the basis of embodiment 1, as shown in fig. 1, 2, 3 and 4, the plug housing 1 includes a housing body 9 and a plug cover plate 10, the housing body 9 and the plug cover plate 10 are clamped, a jack terminal 11 is disposed in the housing body 9, the middle part of the tongue 2 is connected with the plug cover plate 10, and at the same time, the position where the middle part of the tongue 2 is connected with the plug cover plate 10 can be used as a pivot for tilting the end of the tongue 2, that is, pressing the rear end of the tongue 2, and tilting the front end of the tongue 2. A deformation space 4 for separating and clamping the pressing tongue 2 from the socket is arranged between the pressing tongue 2 and the shell body 9, and when the secondary locking clamp 3 is inserted into the deformation space 4, the secondary locking clamp 3 abuts against and supports the rear end of the pressing tongue 2 to keep the front end of the pressing tongue 2 clamped with the socket. The deformation space 4 provides enough space for deformation unlocking of the pressing tongue 2 when the plug and the socket are unlocked. After the secondary locking clamp 3 is inserted into the deformation space 4, the secondary locking clamp 3 occupies the deformation space of the pressing tongue 2, and the pressing tongue 2 is blocked from unlocking, so that the purpose of clamping the pressing tongue 2 with a socket is achieved. When the plug is required to be separated from the socket, the secondary locking clamp 3 is moved out, at the moment, the pressing tongue 2 has enough space to deform and unlock, then the rear end of the pressing tongue 2 is pressed, and the front end of the pressing tongue 2 is separated from the socket to be clamped.

In embodiment 3, as shown in fig. 1, 2, 3 and 4, a sliding space 5 is provided between the housing body 9 and the plug cover 10, one end of the secondary locking clip 3 is slidably matched with the sliding space 5, and the other end of the secondary locking clip 3 is in plug-in fit with the deformation space 4. The secondary locking clamp 3 slides along the sliding space 5, when the lower part of the secondary locking clamp 3 is in plug-in fit with the deformation space 4, the secondary locking clamp 3 occupies the space where the pressing tongue 2 deforms, the unlocking of the pressing tongue 2 is blocked, and when the lower part of the secondary locking clamp 3 is not in plug-in fit with the deformation space 4, the secondary locking clamp 3 does not occupy the space where the pressing tongue 2 deforms, and the pressing tongue 2 can be unlocked freely to separate a plug from a socket.

In embodiment 4, on the basis of embodiment 3, as shown in fig. 1, 2, 3 and 4, the front end of the pressing tongue 2 is provided with a clamping bump 6, the socket comprises a socket shell 7, the outer side of the socket shell 7 is provided with a hanging ring 8, and the clamping bump 6 is in concave-convex fit with the hanging ring 8. When the socket and the plug are inserted in pairs, the socket shell 7 is inserted into the inner side of the plug cover plate 10, at the moment, the hanging ring 8 on the socket shell 7 is hung with the clamping convex block 6 of the pressing tongue 2, so that the axial limit of the socket shell 7 and the plug cover plate 10 is realized, and the limit of the relative positions of the plug and the socket is realized.

In embodiment 5, on the basis of any one of embodiments 2 to 4, as shown in fig. 6, 7, 8 and 9, the socket housing 7 is provided with a pin terminal 20, the pin terminal 20 is in plug-in fit with the socket terminal 11, and the head of the housing body 9 is provided with a plug locking shell 12 for increasing the retention force of the socket terminal 11. The pin terminal 20 is inserted along the center of the lower end of the plug locking shell 12 and is spliced with the jack terminal 11, so that connection conduction between the plug and the socket on the connector is realized. The arrangement of the plug locking shell 12 improves the insertion holding force of the jack terminal 11 and the pin terminal 20 on the shell body 9, and is beneficial to improving the stability of the opposite insertion contact of the jack terminal 11 and the pin terminal 20 on the connector. The tip of contact pin terminal 20 is provided with insulating rod 22, is equipped with third sealing washer 23 on the socket shell 7, and the sealing of contact surface when the connector was used is guaranteed in setting up of third sealing washer 23, and insulating rod 22 inserts the tip of contact pin terminal 20, utilizes insulating rod 22's the intensity of inserting improvement contact pin terminal 20, has avoided appearing the circumference of contact pin terminal 20 to face the condition of inwards sunken.

In embodiment 6, on the basis of embodiment 5, as shown in fig. 6, 7, 8 and 9, a second sealing ring 19 is disposed between the housing body 9 and the socket housing 7, one end of the second sealing ring 19 is sleeved on the housing body 9, and the other end of the second sealing ring 19 is sleeved on the plug locking shell 12. Namely, the second sealing ring 19 is pressed by the socket shell 7 at the contact position of the shell body 9 and the plug locking shell 12, so that the sealing performance of the contact position of the shell body 9 and the plug locking shell 12 is ensured, and the situation that water seepage or dust enters the connector along the gap of the contact position of the shell body 9 and the plug locking shell 12 is avoided.

In example 7, as shown in fig. 6, 7, 8 and 9, the outside of the plug locking housing 12 is inserted into the socket housing 7, and the inside of the plug locking housing 12 is rotatably connected to the receptacle terminal 11, based on example 5. The socket housing 7 is arranged outside the plug locking shell 12 in a sleeved mode and is clamped with the pressing tongue 2 on the plug cover plate 10. The plug locking shell 12 is rotationally connected with the jack terminal 11, so that the jack terminal 11 can be adjusted to rotate, requirements of short-wire connection wiring and narrow space wiring can be met, and after the plug is connected with the socket, the wire outlet direction can be adjusted, so that the connector can adapt to the condition of more narrow space wiring, and the applicability of the connector is improved.

In embodiment 8, as shown in fig. 3, 5, 7 and 8, on the basis of embodiment 7, the outside of the plug locking shell 12 is provided with a convex key 13 and a boss 24, the inside of the socket shell 7 is provided with a key slot 14, the convex key 13 is in plug-in fit with the key slot 14, the circumferential surface of the plug locking shell 12 is provided with a boss 24, and the inner circular surface 25 of the socket shell on the socket shell 7 is in clamping fit with the boss 24. In this embodiment, the number of the protruding keys 13 is 4, and four protruding keys 13 are uniformly arranged on the outer circumferential surface of the plug locking housing 12, the key grooves 14 are uniformly arranged on the inner wall of the socket housing 7, when the plug and the socket are plugged, the protruding keys 13 are inserted into the key grooves 14, so that the relative positions of the socket housing 7 and the plug locking housing 12 are fixed, and when the plug housing 1 rotates, the socket housing 7 and the plug housing 1 rotate relatively under the action of the plug locking housing 12. Meanwhile, the guide angle is arranged at the inlet of the key groove 14, and guides the key groove 14 when the connector is inserted, so that the convex key 13 can smoothly enter the key groove 14, multi-angle insertion of the connector is realized, assembly of the connector by operators is facilitated, and adaptability of the connector is improved. The top circle size of the convex key 13 is matched with the bottom circle size of the key groove 14, and the bottom circle size of the convex key 13 is matched with the top circle size of the key groove 14. The top circle size and the bottom circle size of the convex keys 13 of the opposite-plug connectors with different specifications are different, namely, the opposite-plug cannot be completed between the plug locking shell 12 and the socket shell 7 of the connector with different specifications, so that the error-proofing function of the opposite-plug connector is realized, and the situation that the positive electrode and the negative electrode of the connector are misplaced is effectively avoided; after the boss 24 is provided on the plug lock housing 12, the holding force is increased, that is, the boss 24 provides the holding force for the receptacle terminal 11 to be prevented from being pulled out of the plug lock housing 12, while the cavity formed by the boss 24 and the inner circle of the receptacle provides the connector terminal holding assistance structure after the plug and the receptacle are plugged.

In embodiment 9, as shown in fig. 1, 2 and 7, on the basis of embodiment 8, a hanging table 16 is provided in the plug locking shell 12, an annular groove 15 is provided in the lower portion of the receptacle terminal 11, and the hanging table 16 is in clamping fit with the annular groove 15. The hanging table 16 is matched with the annular groove 15, when the plug locking shell 12 rotates, the hanging table 16 slides in the annular groove 15, and the hanging table 16 is connected with the annular groove 15 to realize axial limiting of the plug locking shell 12 and prevent the plug locking shell 12 from being separated from the plug shell 1.

In embodiment 10, on the basis of any one of embodiments 2 to 4, 6, 7, 8 and 9, as shown in fig. 1, 2, 3 and 9, a tail cover 17 is arranged at the tail of the housing body 9, the tail cover 17 is connected with the housing body 9 in a hanging manner, a first sealing ring 21 is arranged between the housing body 9 and the tail cover 17, and a wire harness jack 18 is arranged on the tail cover 17. The cable passes pencil jack 18 and first sealing washer 21 on the tail end 17 in proper order and is connected with jack terminal 11, and the cable is assembled in place after, uses the ribbon to tighten up the preforming, makes the preforming lock to the cable, and then realizes the fixed to the pencil, prevents that the cable from moving around in shell body 9, guarantees that the cable installation is stable. The provision of the first seal ring 21 ensures the sealing performance of the entire connector, avoiding the situation of water seepage or dust ingress along the harness receptacle 18.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (10)

1. The utility model provides a cut straightly formula connector, includes plug and the socket of pegging graft each other, its characterized in that, the plug includes plug shell (1), is equipped with on plug shell (1) and is used for chucking socket's tongue (2), is equipped with secondary locking checkpost (3) on plug shell (1).

2. The direct plug-in connector according to claim 1, wherein the plug housing (1) comprises a housing body (9) and a plug cover plate (10), the housing body (9) and the plug cover plate (10) are clamped, a jack terminal (11) is arranged in the housing body (9), the middle part of the pressing tongue (2) is connected with the plug cover plate (10), a deformation space (4) for the pressing tongue (2) to be separated from the socket is arranged between the pressing tongue (2) and the housing body (9), and when the secondary locking clamp (3) is inserted into the deformation space (4), the secondary locking clamp (3) abuts against and supports the rear end of the pressing tongue (2) to keep the front end of the pressing tongue (2) clamped with the socket.

3. The direct plug-in connector according to claim 2, wherein a sliding space (5) is arranged between the housing body (9) and the plug cover plate (10), one end of the secondary locking clip (3) is in sliding fit with the sliding space (5), and the other end of the secondary locking clip (3) is in plug-in fit with the deformation space (4).

4. A direct plug-in connector according to claim 3, wherein the lower part of the pressing tongue (2) is provided with a clamping projection (6), the socket comprises a socket housing (7), a hanging ring (8) is arranged on the outer side of the socket housing (7), and the clamping projection (6) is in concave-convex fit with the hanging ring (8).

5. The in-line connector according to any one of claims 2 to 4, wherein the head of the housing body (9) is provided with a plug locking shell (12).

6. The in-line connector according to claim 5, wherein a second sealing ring (19) is arranged between the housing body (9) and the socket housing (7), one end of the second sealing ring (19) is sleeved on the housing body (9), and the other end of the second sealing ring (19) is sleeved on the plug locking shell (12).

7. The in-line connector according to claim 5, characterized in that the plug locking housing (12) is externally plugged into the socket housing (7), and the interior of the plug locking housing (12) is rotatably connected to the receptacle terminal (11).

8. The in-line connector according to claim 7, wherein the plug locking housing (12) is provided with a protruding key (13) and a boss (24) on the outside, the socket housing (7) is provided with a key groove (14) on the inside, the protruding key (13) is in plug-in fit with the key groove (14), the boss (24) is provided on the circumferential surface of the plug locking housing (12), and the socket housing inner circumferential surface (25) on the socket housing (7) is in clamping fit with the boss (24).

9. The in-line connector according to claim 8, wherein a hanging table (16) is provided inside the plug locking housing (12), an annular groove (15) is provided at a lower portion of the receptacle terminal (11), and the hanging table (16) is engaged with the annular groove (15).

10. The direct plug-in connector according to any one of claims 2 to 4, 6, 7, 8 and 9, wherein a tail part of the housing body (9) is provided with a tail cover (17), the tail cover (17) is connected with the housing body (9) in a hanging manner, a first sealing ring (21) is arranged between the housing body (9) and the tail cover (17), and a wire harness jack (18) is arranged on the tail cover (17).